1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.devicepolicy; 18 19 import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20 import static android.app.admin.DevicePolicyManager.PASSWORD_QUALITY_COMPLEX; 21 import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 22 import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 23 import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 24 import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 25 import static org.xmlpull.v1.XmlPullParser.END_TAG; 26 import static org.xmlpull.v1.XmlPullParser.TEXT; 27 28 import android.Manifest.permission; 29 import android.accessibilityservice.AccessibilityServiceInfo; 30 import android.accounts.AccountManager; 31 import android.app.Activity; 32 import android.app.ActivityManagerNative; 33 import android.app.AlarmManager; 34 import android.app.AppGlobals; 35 import android.app.IActivityManager; 36 import android.app.Notification; 37 import android.app.NotificationManager; 38 import android.app.PendingIntent; 39 import android.app.StatusBarManager; 40 import android.app.admin.DeviceAdminInfo; 41 import android.app.admin.DeviceAdminReceiver; 42 import android.app.admin.DevicePolicyManager; 43 import android.app.admin.DevicePolicyManagerInternal; 44 import android.app.admin.IDevicePolicyManager; 45 import android.app.admin.SystemUpdatePolicy; 46 import android.app.backup.IBackupManager; 47 import android.content.BroadcastReceiver; 48 import android.content.ComponentName; 49 import android.content.ContentResolver; 50 import android.content.Context; 51 import android.content.Intent; 52 import android.content.IntentFilter; 53 import android.content.pm.ActivityInfo; 54 import android.content.pm.ApplicationInfo; 55 import android.content.pm.IPackageManager; 56 import android.content.pm.PackageManager; 57 import android.content.pm.PackageManager.NameNotFoundException; 58 import android.content.pm.ResolveInfo; 59 import android.content.pm.ServiceInfo; 60 import android.content.pm.UserInfo; 61 import android.database.ContentObserver; 62 import android.graphics.Bitmap; 63 import android.media.AudioManager; 64 import android.media.IAudioService; 65 import android.net.ConnectivityManager; 66 import android.net.ProxyInfo; 67 import android.net.Uri; 68 import android.os.AsyncTask; 69 import android.os.Binder; 70 import android.os.Bundle; 71 import android.os.Environment; 72 import android.os.FileUtils; 73 import android.os.Handler; 74 import android.os.IBinder; 75 import android.os.PersistableBundle; 76 import android.os.PowerManager; 77 import android.os.PowerManagerInternal; 78 import android.os.Process; 79 import android.os.RecoverySystem; 80 import android.os.RemoteCallback; 81 import android.os.RemoteException; 82 import android.os.ServiceManager; 83 import android.os.SystemClock; 84 import android.os.SystemProperties; 85 import android.os.UserHandle; 86 import android.os.UserManager; 87 import android.os.storage.StorageManager; 88 import android.provider.ContactsContract.QuickContact; 89 import android.provider.ContactsInternal; 90 import android.provider.Settings; 91 import android.security.Credentials; 92 import android.security.IKeyChainAliasCallback; 93 import android.security.IKeyChainService; 94 import android.security.KeyChain; 95 import android.security.KeyChain.KeyChainConnection; 96 import android.service.persistentdata.PersistentDataBlockManager; 97 import android.text.TextUtils; 98 import android.util.Log; 99 import android.util.PrintWriterPrinter; 100 import android.util.Printer; 101 import android.util.Slog; 102 import android.util.SparseArray; 103 import android.util.Xml; 104 import android.view.IWindowManager; 105 import android.view.accessibility.AccessibilityManager; 106 import android.view.accessibility.IAccessibilityManager; 107 import android.view.inputmethod.InputMethodInfo; 108 import android.view.inputmethod.InputMethodManager; 109 110 import com.android.internal.R; 111 import com.android.internal.statusbar.IStatusBarService; 112 import com.android.internal.util.FastXmlSerializer; 113 import com.android.internal.util.JournaledFile; 114 import com.android.internal.util.Preconditions; 115 import com.android.internal.util.XmlUtils; 116 import com.android.internal.widget.LockPatternUtils; 117 import com.android.server.LocalServices; 118 import com.android.server.SystemService; 119 import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 120 121 import org.xmlpull.v1.XmlPullParser; 122 import org.xmlpull.v1.XmlPullParserException; 123 import org.xmlpull.v1.XmlSerializer; 124 125 import java.io.ByteArrayInputStream; 126 import java.io.File; 127 import java.io.FileDescriptor; 128 import java.io.FileInputStream; 129 import java.io.FileNotFoundException; 130 import java.io.FileOutputStream; 131 import java.io.IOException; 132 import java.io.PrintWriter; 133 import java.nio.charset.StandardCharsets; 134 import java.security.cert.CertificateException; 135 import java.security.cert.CertificateFactory; 136 import java.security.cert.X509Certificate; 137 import java.text.DateFormat; 138 import java.util.ArrayList; 139 import java.util.Arrays; 140 import java.util.Collections; 141 import java.util.Date; 142 import java.util.HashMap; 143 import java.util.HashSet; 144 import java.util.List; 145 import java.util.Map.Entry; 146 import java.util.Set; 147 148 /** 149 * Implementation of the device policy APIs. 150 */ 151 public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 152 153 private static final String LOG_TAG = "DevicePolicyManagerService"; 154 155 private static final boolean VERBOSE_LOG = false; // DO NOT SUBMIT WITH TRUE 156 157 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 158 159 private static final String TAG_LOCK_TASK_COMPONENTS = "lock-task-component"; 160 161 private static final String TAG_STATUS_BAR = "statusbar"; 162 163 private static final String ATTR_DISABLED = "disabled"; 164 165 private static final String DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML = 166 "do-not-ask-credentials-on-boot"; 167 168 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 169 170 private static final long MS_PER_DAY = 86400 * 1000; 171 172 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 173 174 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 175 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 176 177 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 178 private static final int PROFILE_WIPED_NOTIFICATION_ID = 1001; 179 180 private static final boolean DBG = false; 181 182 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 183 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 184 private static final String ATTR_PERMISSION_POLICY = "permission-policy"; 185 186 private static final String ATTR_DELEGATED_CERT_INSTALLER = "delegated-cert-installer"; 187 188 private static final int STATUS_BAR_DISABLE_MASK = 189 StatusBarManager.DISABLE_EXPAND | 190 StatusBarManager.DISABLE_NOTIFICATION_ICONS | 191 StatusBarManager.DISABLE_NOTIFICATION_ALERTS | 192 StatusBarManager.DISABLE_SEARCH; 193 194 private static final int STATUS_BAR_DISABLE2_MASK = 195 StatusBarManager.DISABLE2_QUICK_SETTINGS; 196 197 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 198 static { 199 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 200 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 201 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 202 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_NETWORK_RESET); 203 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 204 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 205 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 206 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 207 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 208 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 209 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 210 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 211 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FUN); 212 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SAFE_BOOT); 213 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CREATE_WINDOWS); 214 } 215 216 // The following user restrictions cannot be changed by any active admin, including device 217 // owner and profile owner. 218 private static final Set<String> IMMUTABLE_USER_RESTRICTIONS; 219 static { 220 IMMUTABLE_USER_RESTRICTIONS = new HashSet(); 221 IMMUTABLE_USER_RESTRICTIONS.add(UserManager.DISALLOW_WALLPAPER); 222 } 223 224 private static final Set<String> SECURE_SETTINGS_WHITELIST; 225 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 226 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 227 private static final Set<String> GLOBAL_SETTINGS_DEPRECATED; 228 static { 229 SECURE_SETTINGS_WHITELIST = new HashSet(); 230 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 231 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 232 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 233 234 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 235 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 236 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 237 238 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 239 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 240 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 241 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 242 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 243 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 244 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 245 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.STAY_ON_WHILE_PLUGGED_IN); 246 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN); 247 248 GLOBAL_SETTINGS_DEPRECATED = new HashSet(); 249 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.BLUETOOTH_ON); 250 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 251 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.MODE_RINGER); 252 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.NETWORK_PREFERENCE); 253 GLOBAL_SETTINGS_DEPRECATED.add(Settings.Global.WIFI_ON); 254 } 255 256 // Keyguard features that when set of a profile will affect the profiles 257 // parent user. 258 private static final int PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER = 259 DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS 260 | DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT; 261 262 // Keyguard features that are allowed to be set on a managed profile 263 private static final int PROFILE_KEYGUARD_FEATURES = 264 PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER 265 | DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS; 266 267 final Context mContext; 268 final UserManager mUserManager; 269 final PowerManager.WakeLock mWakeLock; 270 271 final LocalService mLocalService; 272 273 final PowerManager mPowerManager; 274 final PowerManagerInternal mPowerManagerInternal; 275 276 IWindowManager mIWindowManager; 277 NotificationManager mNotificationManager; 278 279 // Stores and loads state on device and profile owners. 280 private DeviceOwner mDeviceOwner; 281 282 private final Binder mToken = new Binder(); 283 284 /** 285 * Whether or not device admin feature is supported. If it isn't return defaults for all 286 * public methods. 287 */ 288 private boolean mHasFeature; 289 290 public static final class Lifecycle extends SystemService { 291 private DevicePolicyManagerService mService; 292 293 public Lifecycle(Context context) { 294 super(context); 295 mService = new DevicePolicyManagerService(context); 296 } 297 298 @Override 299 public void onStart() { 300 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 301 } 302 303 @Override 304 public void onBootPhase(int phase) { 305 if (phase == PHASE_LOCK_SETTINGS_READY) { 306 mService.systemReady(); 307 } 308 } 309 } 310 311 public static class DevicePolicyData { 312 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 313 int mActivePasswordLength = 0; 314 int mActivePasswordUpperCase = 0; 315 int mActivePasswordLowerCase = 0; 316 int mActivePasswordLetters = 0; 317 int mActivePasswordNumeric = 0; 318 int mActivePasswordSymbols = 0; 319 int mActivePasswordNonLetter = 0; 320 int mFailedPasswordAttempts = 0; 321 322 int mUserHandle; 323 int mPasswordOwner = -1; 324 long mLastMaximumTimeToLock = -1; 325 boolean mUserSetupComplete = false; 326 int mPermissionPolicy; 327 328 final HashMap<ComponentName, ActiveAdmin> mAdminMap = new HashMap<>(); 329 final ArrayList<ActiveAdmin> mAdminList = new ArrayList<>(); 330 final ArrayList<ComponentName> mRemovingAdmins = new ArrayList<>(); 331 332 // This is the list of component allowed to start lock task mode. 333 List<String> mLockTaskPackages = new ArrayList<>(); 334 335 boolean mStatusBarDisabled = false; 336 337 ComponentName mRestrictionsProvider; 338 339 String mDelegatedCertInstallerPackage; 340 341 boolean doNotAskCredentialsOnBoot = false; 342 343 public DevicePolicyData(int userHandle) { 344 mUserHandle = userHandle; 345 } 346 } 347 348 final SparseArray<DevicePolicyData> mUserData = new SparseArray<>(); 349 350 Handler mHandler = new Handler(); 351 352 BroadcastReceiver mReceiver = new BroadcastReceiver() { 353 @Override 354 public void onReceive(Context context, Intent intent) { 355 final String action = intent.getAction(); 356 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 357 getSendingUserId()); 358 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 359 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 360 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 361 + action + " for user " + userHandle); 362 mHandler.post(new Runnable() { 363 @Override 364 public void run() { 365 handlePasswordExpirationNotification(userHandle); 366 } 367 }); 368 } 369 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 370 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 371 new MonitoringCertNotificationTask().execute(intent); 372 } 373 if (Intent.ACTION_USER_REMOVED.equals(action)) { 374 removeUserData(userHandle); 375 } else if (Intent.ACTION_USER_STARTED.equals(action) 376 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 377 378 if (Intent.ACTION_USER_STARTED.equals(action)) { 379 // Reset the policy data 380 synchronized (DevicePolicyManagerService.this) { 381 mUserData.remove(userHandle); 382 } 383 } 384 handlePackagesChanged(null /* check all admins */, userHandle); 385 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 386 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 387 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 388 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 389 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 390 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 391 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 392 } else if (Intent.ACTION_MANAGED_PROFILE_ADDED.equals(action)) { 393 clearWipeProfileNotification(); 394 } 395 } 396 }; 397 398 static class ActiveAdmin { 399 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 400 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 401 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 402 private static final String TAG_DISABLE_BLUETOOTH_CONTACT_SHARING 403 = "disable-bt-contacts-sharing"; 404 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 405 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 406 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 407 private static final String TAG_ACCOUNT_TYPE = "account-type"; 408 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 409 = "permitted-accessiblity-services"; 410 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 411 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 412 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 413 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 414 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 415 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 416 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 417 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 418 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 419 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 420 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 421 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 422 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 423 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 424 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 425 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 426 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 427 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 428 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 429 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 430 private static final String ATTR_VALUE = "value"; 431 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 432 private static final String TAG_POLICIES = "policies"; 433 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 434 "cross-profile-widget-providers"; 435 private static final String TAG_PROVIDER = "provider"; 436 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 437 438 final DeviceAdminInfo info; 439 440 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 441 442 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 443 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 444 445 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 446 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 447 448 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 449 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 450 451 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 452 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 453 454 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 455 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 456 457 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 458 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 459 460 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 461 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 462 463 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 464 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 465 466 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 467 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 468 469 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 470 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 471 472 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 473 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 474 475 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 476 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 477 478 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 479 480 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 481 482 boolean encryptionRequested = false; 483 boolean disableCamera = false; 484 boolean disableCallerId = false; 485 boolean disableBluetoothContactSharing = true; 486 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 487 boolean requireAutoTime = false; // Can only be set by a device owner. 488 489 static class TrustAgentInfo { 490 public PersistableBundle options; 491 TrustAgentInfo(PersistableBundle bundle) { 492 options = bundle; 493 } 494 } 495 496 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 497 498 // The list of permitted accessibility services package namesas set by a profile 499 // or device owner. Null means all accessibility services are allowed, empty means 500 // none except system services are allowed. 501 List<String> permittedAccessiblityServices; 502 503 // The list of permitted input methods package names as set by a profile or device owner. 504 // Null means all input methods are allowed, empty means none except system imes are 505 // allowed. 506 List<String> permittedInputMethods; 507 508 // TODO: review implementation decisions with frameworks team 509 boolean specifiesGlobalProxy = false; 510 String globalProxySpec = null; 511 String globalProxyExclusionList = null; 512 513 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 514 515 List<String> crossProfileWidgetProviders; 516 517 ActiveAdmin(DeviceAdminInfo _info) { 518 info = _info; 519 } 520 521 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 522 523 public UserHandle getUserHandle() { 524 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 525 } 526 527 void writeToXml(XmlSerializer out) 528 throws IllegalArgumentException, IllegalStateException, IOException { 529 out.startTag(null, TAG_POLICIES); 530 info.writePoliciesToXml(out); 531 out.endTag(null, TAG_POLICIES); 532 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 533 out.startTag(null, TAG_PASSWORD_QUALITY); 534 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 535 out.endTag(null, TAG_PASSWORD_QUALITY); 536 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 537 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 538 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 539 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 540 } 541 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 542 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 543 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 544 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 545 } 546 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 547 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 548 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 549 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 550 } 551 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 552 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 553 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 554 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 555 } 556 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 557 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 558 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 559 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 560 } 561 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 562 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 563 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 564 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 565 } 566 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 567 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 568 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 569 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 570 } 571 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 572 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 573 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 574 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 575 } 576 } 577 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 578 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 579 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 580 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 581 } 582 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 583 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 584 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 585 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 586 } 587 if (specifiesGlobalProxy) { 588 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 589 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 590 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 591 if (globalProxySpec != null) { 592 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 593 out.attribute(null, ATTR_VALUE, globalProxySpec); 594 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 595 } 596 if (globalProxyExclusionList != null) { 597 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 598 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 599 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 600 } 601 } 602 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 603 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 604 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 605 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 606 } 607 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 608 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 609 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 610 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 611 } 612 if (encryptionRequested) { 613 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 614 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 615 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 616 } 617 if (disableCamera) { 618 out.startTag(null, TAG_DISABLE_CAMERA); 619 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 620 out.endTag(null, TAG_DISABLE_CAMERA); 621 } 622 if (disableCallerId) { 623 out.startTag(null, TAG_DISABLE_CALLER_ID); 624 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 625 out.endTag(null, TAG_DISABLE_CALLER_ID); 626 } 627 if (disableBluetoothContactSharing) { 628 out.startTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 629 out.attribute(null, ATTR_VALUE, 630 Boolean.toString(disableBluetoothContactSharing)); 631 out.endTag(null, TAG_DISABLE_BLUETOOTH_CONTACT_SHARING); 632 } 633 if (disableScreenCapture) { 634 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 635 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 636 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 637 } 638 if (requireAutoTime) { 639 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 640 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 641 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 642 } 643 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 644 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 645 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 646 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 647 } 648 if (!accountTypesWithManagementDisabled.isEmpty()) { 649 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 650 for (String ac : accountTypesWithManagementDisabled) { 651 out.startTag(null, TAG_ACCOUNT_TYPE); 652 out.attribute(null, ATTR_VALUE, ac); 653 out.endTag(null, TAG_ACCOUNT_TYPE); 654 } 655 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 656 } 657 if (!trustAgentInfos.isEmpty()) { 658 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 659 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 660 for (Entry<String, TrustAgentInfo> entry : set) { 661 TrustAgentInfo trustAgentInfo = entry.getValue(); 662 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 663 out.attribute(null, ATTR_VALUE, entry.getKey()); 664 if (trustAgentInfo.options != null) { 665 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 666 try { 667 trustAgentInfo.options.saveToXml(out); 668 } catch (XmlPullParserException e) { 669 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 670 } 671 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 672 } 673 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 674 } 675 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 676 } 677 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 678 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 679 final int providerCount = crossProfileWidgetProviders.size(); 680 for (int i = 0; i < providerCount; i++) { 681 String provider = crossProfileWidgetProviders.get(i); 682 out.startTag(null, TAG_PROVIDER); 683 out.attribute(null, ATTR_VALUE, provider); 684 out.endTag(null, TAG_PROVIDER); 685 } 686 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 687 } 688 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 689 permittedAccessiblityServices); 690 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 691 } 692 693 void writePackageListToXml(XmlSerializer out, String outerTag, 694 List<String> packageList) 695 throws IllegalArgumentException, IllegalStateException, IOException { 696 if (packageList == null) { 697 return; 698 } 699 700 out.startTag(null, outerTag); 701 for (String packageName : packageList) { 702 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 703 out.attribute(null, ATTR_VALUE, packageName); 704 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 705 } 706 out.endTag(null, outerTag); 707 } 708 709 void readFromXml(XmlPullParser parser) 710 throws XmlPullParserException, IOException { 711 int outerDepth = parser.getDepth(); 712 int type; 713 while ((type=parser.next()) != END_DOCUMENT 714 && (type != END_TAG || parser.getDepth() > outerDepth)) { 715 if (type == END_TAG || type == TEXT) { 716 continue; 717 } 718 String tag = parser.getName(); 719 if (TAG_POLICIES.equals(tag)) { 720 info.readPoliciesFromXml(parser); 721 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 722 passwordQuality = Integer.parseInt( 723 parser.getAttributeValue(null, ATTR_VALUE)); 724 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 725 minimumPasswordLength = Integer.parseInt( 726 parser.getAttributeValue(null, ATTR_VALUE)); 727 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 728 passwordHistoryLength = Integer.parseInt( 729 parser.getAttributeValue(null, ATTR_VALUE)); 730 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 731 minimumPasswordUpperCase = Integer.parseInt( 732 parser.getAttributeValue(null, ATTR_VALUE)); 733 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 734 minimumPasswordLowerCase = Integer.parseInt( 735 parser.getAttributeValue(null, ATTR_VALUE)); 736 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 737 minimumPasswordLetters = Integer.parseInt( 738 parser.getAttributeValue(null, ATTR_VALUE)); 739 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 740 minimumPasswordNumeric = Integer.parseInt( 741 parser.getAttributeValue(null, ATTR_VALUE)); 742 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 743 minimumPasswordSymbols = Integer.parseInt( 744 parser.getAttributeValue(null, ATTR_VALUE)); 745 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 746 minimumPasswordNonLetter = Integer.parseInt( 747 parser.getAttributeValue(null, ATTR_VALUE)); 748 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 749 maximumTimeToUnlock = Long.parseLong( 750 parser.getAttributeValue(null, ATTR_VALUE)); 751 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 752 maximumFailedPasswordsForWipe = Integer.parseInt( 753 parser.getAttributeValue(null, ATTR_VALUE)); 754 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 755 specifiesGlobalProxy = Boolean.parseBoolean( 756 parser.getAttributeValue(null, ATTR_VALUE)); 757 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 758 globalProxySpec = 759 parser.getAttributeValue(null, ATTR_VALUE); 760 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 761 globalProxyExclusionList = 762 parser.getAttributeValue(null, ATTR_VALUE); 763 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 764 passwordExpirationTimeout = Long.parseLong( 765 parser.getAttributeValue(null, ATTR_VALUE)); 766 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 767 passwordExpirationDate = Long.parseLong( 768 parser.getAttributeValue(null, ATTR_VALUE)); 769 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 770 encryptionRequested = Boolean.parseBoolean( 771 parser.getAttributeValue(null, ATTR_VALUE)); 772 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 773 disableCamera = Boolean.parseBoolean( 774 parser.getAttributeValue(null, ATTR_VALUE)); 775 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 776 disableCallerId = Boolean.parseBoolean( 777 parser.getAttributeValue(null, ATTR_VALUE)); 778 } else if (TAG_DISABLE_BLUETOOTH_CONTACT_SHARING.equals(tag)) { 779 disableBluetoothContactSharing = Boolean.parseBoolean(parser 780 .getAttributeValue(null, ATTR_VALUE)); 781 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 782 disableScreenCapture = Boolean.parseBoolean( 783 parser.getAttributeValue(null, ATTR_VALUE)); 784 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 785 requireAutoTime= Boolean.parseBoolean( 786 parser.getAttributeValue(null, ATTR_VALUE)); 787 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 788 disabledKeyguardFeatures = Integer.parseInt( 789 parser.getAttributeValue(null, ATTR_VALUE)); 790 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 791 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 792 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 793 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 794 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 795 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 796 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 797 permittedAccessiblityServices = readPackageList(parser, tag); 798 } else if (TAG_PERMITTED_IMES.equals(tag)) { 799 permittedInputMethods = readPackageList(parser, tag); 800 } else { 801 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 802 XmlUtils.skipCurrentTag(parser); 803 } 804 } 805 } 806 807 private List<String> readPackageList(XmlPullParser parser, 808 String tag) throws XmlPullParserException, IOException { 809 List<String> result = new ArrayList<String>(); 810 int outerDepth = parser.getDepth(); 811 int outerType; 812 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 813 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 814 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 815 continue; 816 } 817 String outerTag = parser.getName(); 818 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 819 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 820 if (packageName != null) { 821 result.add(packageName); 822 } else { 823 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 824 } 825 } else { 826 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 827 } 828 } 829 return result; 830 } 831 832 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 833 throws XmlPullParserException, IOException { 834 int outerDepthDAM = parser.getDepth(); 835 int typeDAM; 836 Set<String> result = new HashSet<String>(); 837 while ((typeDAM=parser.next()) != END_DOCUMENT 838 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 839 if (typeDAM == END_TAG || typeDAM == TEXT) { 840 continue; 841 } 842 String tagDAM = parser.getName(); 843 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 844 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 845 } else { 846 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 847 } 848 } 849 return result; 850 } 851 852 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 853 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 854 int outerDepthDAM = parser.getDepth(); 855 int typeDAM; 856 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 857 while ((typeDAM=parser.next()) != END_DOCUMENT 858 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 859 if (typeDAM == END_TAG || typeDAM == TEXT) { 860 continue; 861 } 862 String tagDAM = parser.getName(); 863 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 864 final String component = parser.getAttributeValue(null, ATTR_VALUE); 865 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 866 result.put(component, trustAgentInfo); 867 } else { 868 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 869 } 870 } 871 return result; 872 } 873 874 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 875 throws XmlPullParserException, IOException { 876 int outerDepthDAM = parser.getDepth(); 877 int typeDAM; 878 TrustAgentInfo result = new TrustAgentInfo(null); 879 while ((typeDAM=parser.next()) != END_DOCUMENT 880 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 881 if (typeDAM == END_TAG || typeDAM == TEXT) { 882 continue; 883 } 884 String tagDAM = parser.getName(); 885 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 886 PersistableBundle bundle = new PersistableBundle(); 887 bundle.restoreFromXml(parser); 888 result.options = bundle; 889 } else { 890 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 891 } 892 } 893 return result; 894 } 895 896 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 897 throws XmlPullParserException, IOException { 898 int outerDepthDAM = parser.getDepth(); 899 int typeDAM; 900 ArrayList<String> result = null; 901 while ((typeDAM=parser.next()) != END_DOCUMENT 902 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 903 if (typeDAM == END_TAG || typeDAM == TEXT) { 904 continue; 905 } 906 String tagDAM = parser.getName(); 907 if (TAG_PROVIDER.equals(tagDAM)) { 908 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 909 if (result == null) { 910 result = new ArrayList<>(); 911 } 912 result.add(provider); 913 } else { 914 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 915 } 916 } 917 return result; 918 } 919 920 void dump(String prefix, PrintWriter pw) { 921 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 922 pw.print(prefix); pw.println("policies:"); 923 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 924 if (pols != null) { 925 for (int i=0; i<pols.size(); i++) { 926 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 927 } 928 } 929 pw.print(prefix); pw.print("passwordQuality=0x"); 930 pw.println(Integer.toHexString(passwordQuality)); 931 pw.print(prefix); pw.print("minimumPasswordLength="); 932 pw.println(minimumPasswordLength); 933 pw.print(prefix); pw.print("passwordHistoryLength="); 934 pw.println(passwordHistoryLength); 935 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 936 pw.println(minimumPasswordUpperCase); 937 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 938 pw.println(minimumPasswordLowerCase); 939 pw.print(prefix); pw.print("minimumPasswordLetters="); 940 pw.println(minimumPasswordLetters); 941 pw.print(prefix); pw.print("minimumPasswordNumeric="); 942 pw.println(minimumPasswordNumeric); 943 pw.print(prefix); pw.print("minimumPasswordSymbols="); 944 pw.println(minimumPasswordSymbols); 945 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 946 pw.println(minimumPasswordNonLetter); 947 pw.print(prefix); pw.print("maximumTimeToUnlock="); 948 pw.println(maximumTimeToUnlock); 949 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 950 pw.println(maximumFailedPasswordsForWipe); 951 pw.print(prefix); pw.print("specifiesGlobalProxy="); 952 pw.println(specifiesGlobalProxy); 953 pw.print(prefix); pw.print("passwordExpirationTimeout="); 954 pw.println(passwordExpirationTimeout); 955 pw.print(prefix); pw.print("passwordExpirationDate="); 956 pw.println(passwordExpirationDate); 957 if (globalProxySpec != null) { 958 pw.print(prefix); pw.print("globalProxySpec="); 959 pw.println(globalProxySpec); 960 } 961 if (globalProxyExclusionList != null) { 962 pw.print(prefix); pw.print("globalProxyEclusionList="); 963 pw.println(globalProxyExclusionList); 964 } 965 pw.print(prefix); pw.print("encryptionRequested="); 966 pw.println(encryptionRequested); 967 pw.print(prefix); pw.print("disableCamera="); 968 pw.println(disableCamera); 969 pw.print(prefix); pw.print("disableCallerId="); 970 pw.println(disableCallerId); 971 pw.print(prefix); pw.print("disableBluetoothContactSharing="); 972 pw.println(disableBluetoothContactSharing); 973 pw.print(prefix); pw.print("disableScreenCapture="); 974 pw.println(disableScreenCapture); 975 pw.print(prefix); pw.print("requireAutoTime="); 976 pw.println(requireAutoTime); 977 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 978 pw.println(disabledKeyguardFeatures); 979 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 980 pw.println(crossProfileWidgetProviders); 981 if (!(permittedAccessiblityServices == null)) { 982 pw.print(prefix); pw.print("permittedAccessibilityServices="); 983 pw.println(permittedAccessiblityServices.toString()); 984 } 985 if (!(permittedInputMethods == null)) { 986 pw.print(prefix); pw.print("permittedInputMethods="); 987 pw.println(permittedInputMethods.toString()); 988 } 989 } 990 } 991 992 private void handlePackagesChanged(String packageName, int userHandle) { 993 boolean removed = false; 994 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 995 DevicePolicyData policy = getUserData(userHandle); 996 IPackageManager pm = AppGlobals.getPackageManager(); 997 synchronized (this) { 998 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 999 ActiveAdmin aa = policy.mAdminList.get(i); 1000 try { 1001 // If we're checking all packages or if the specific one we're checking matches, 1002 // then check if the package and receiver still exist. 1003 final String adminPackage = aa.info.getPackageName(); 1004 if (packageName == null || packageName.equals(adminPackage)) { 1005 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 1006 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 1007 == null) { 1008 removed = true; 1009 policy.mAdminList.remove(i); 1010 policy.mAdminMap.remove(aa.info.getComponent()); 1011 } 1012 } 1013 } catch (RemoteException re) { 1014 // Shouldn't happen 1015 } 1016 } 1017 if (removed) { 1018 validatePasswordOwnerLocked(policy); 1019 syncDeviceCapabilitiesLocked(policy); 1020 saveSettingsLocked(policy.mUserHandle); 1021 } 1022 1023 if (policy.mDelegatedCertInstallerPackage != null && 1024 (packageName == null 1025 || packageName.equals(policy.mDelegatedCertInstallerPackage))) { 1026 try { 1027 // Check if delegated cert installer package is removed. 1028 if (pm.getPackageInfo( 1029 policy.mDelegatedCertInstallerPackage, 0, userHandle) == null) { 1030 policy.mDelegatedCertInstallerPackage = null; 1031 saveSettingsLocked(policy.mUserHandle); 1032 } 1033 } catch (RemoteException e) { 1034 // Shouldn't happen 1035 } 1036 } 1037 } 1038 } 1039 1040 /** 1041 * Instantiates the service. 1042 */ 1043 public DevicePolicyManagerService(Context context) { 1044 mContext = context; 1045 mUserManager = UserManager.get(mContext); 1046 mHasFeature = context.getPackageManager().hasSystemFeature( 1047 PackageManager.FEATURE_DEVICE_ADMIN); 1048 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 1049 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 1050 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 1051 mLocalService = new LocalService(); 1052 if (!mHasFeature) { 1053 // Skip the rest of the initialization 1054 return; 1055 } 1056 IntentFilter filter = new IntentFilter(); 1057 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 1058 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 1059 filter.addAction(Intent.ACTION_USER_REMOVED); 1060 filter.addAction(Intent.ACTION_USER_STARTED); 1061 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 1062 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 1063 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1064 filter = new IntentFilter(); 1065 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1066 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1067 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1068 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 1069 filter.addDataScheme("package"); 1070 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1071 filter = new IntentFilter(); 1072 filter.addAction(Intent.ACTION_MANAGED_PROFILE_ADDED); 1073 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 1074 1075 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 1076 } 1077 1078 /** 1079 * Creates and loads the policy data from xml. 1080 * @param userHandle the user for whom to load the policy data 1081 * @return 1082 */ 1083 DevicePolicyData getUserData(int userHandle) { 1084 synchronized (this) { 1085 DevicePolicyData policy = mUserData.get(userHandle); 1086 if (policy == null) { 1087 policy = new DevicePolicyData(userHandle); 1088 mUserData.append(userHandle, policy); 1089 loadSettingsLocked(policy, userHandle); 1090 } 1091 return policy; 1092 } 1093 } 1094 1095 /** 1096 * Creates and loads the policy data from xml for data that is shared between 1097 * various profiles of a user. In contrast to {@link #getUserData(int)} 1098 * it allows access to data of users other than the calling user. 1099 * 1100 * This function should only be used for shared data, e.g. everything regarding 1101 * passwords and should be removed once multiple screen locks are present. 1102 * @param userHandle the user for whom to load the policy data 1103 * @return 1104 */ 1105 DevicePolicyData getUserDataUnchecked(int userHandle) { 1106 long ident = Binder.clearCallingIdentity(); 1107 try { 1108 return getUserData(userHandle); 1109 } finally { 1110 Binder.restoreCallingIdentity(ident); 1111 } 1112 } 1113 1114 void removeUserData(int userHandle) { 1115 synchronized (this) { 1116 if (userHandle == UserHandle.USER_OWNER) { 1117 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 1118 return; 1119 } 1120 if (mDeviceOwner != null) { 1121 mDeviceOwner.removeProfileOwner(userHandle); 1122 mDeviceOwner.writeOwnerFile(); 1123 } 1124 1125 DevicePolicyData policy = mUserData.get(userHandle); 1126 if (policy != null) { 1127 mUserData.remove(userHandle); 1128 } 1129 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1130 DEVICE_POLICIES_XML); 1131 policyFile.delete(); 1132 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1133 } 1134 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1135 } 1136 1137 void loadDeviceOwner() { 1138 synchronized (this) { 1139 mDeviceOwner = DeviceOwner.load(); 1140 updateDeviceOwnerLocked(); 1141 } 1142 } 1143 1144 /** 1145 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1146 * reminders. Clears alarm if no expirations are configured. 1147 */ 1148 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1149 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1150 final long now = System.currentTimeMillis(); 1151 final long timeToExpire = expiration - now; 1152 final long alarmTime; 1153 if (expiration == 0) { 1154 // No expirations are currently configured: Cancel alarm. 1155 alarmTime = 0; 1156 } else if (timeToExpire <= 0) { 1157 // The password has already expired: Repeat every 24 hours. 1158 alarmTime = now + MS_PER_DAY; 1159 } else { 1160 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1161 // the expiration time. 1162 long alarmInterval = timeToExpire % MS_PER_DAY; 1163 if (alarmInterval == 0) { 1164 alarmInterval = MS_PER_DAY; 1165 } 1166 alarmTime = now + alarmInterval; 1167 } 1168 1169 long token = Binder.clearCallingIdentity(); 1170 try { 1171 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1172 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1173 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1174 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1175 new UserHandle(policy.mUserHandle)); 1176 am.cancel(pi); 1177 if (alarmTime != 0) { 1178 am.set(AlarmManager.RTC, alarmTime, pi); 1179 } 1180 } finally { 1181 Binder.restoreCallingIdentity(token); 1182 } 1183 } 1184 1185 private IWindowManager getWindowManager() { 1186 if (mIWindowManager == null) { 1187 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1188 mIWindowManager = IWindowManager.Stub.asInterface(b); 1189 } 1190 return mIWindowManager; 1191 } 1192 1193 private NotificationManager getNotificationManager() { 1194 if (mNotificationManager == null) { 1195 mNotificationManager = 1196 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1197 } 1198 return mNotificationManager; 1199 } 1200 1201 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1202 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1203 if (admin != null 1204 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1205 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1206 return admin; 1207 } 1208 return null; 1209 } 1210 1211 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1212 throws SecurityException { 1213 final int callingUid = Binder.getCallingUid(); 1214 1215 ActiveAdmin result = getActiveAdminWithPolicyForUidLocked(who, reqPolicy, callingUid); 1216 if (result != null) { 1217 return result; 1218 } 1219 1220 if (who != null) { 1221 final int userId = UserHandle.getUserId(callingUid); 1222 final DevicePolicyData policy = getUserData(userId); 1223 ActiveAdmin admin = policy.mAdminMap.get(who); 1224 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1225 throw new SecurityException("Admin " + admin.info.getComponent() 1226 + " does not own the device"); 1227 } 1228 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1229 throw new SecurityException("Admin " + admin.info.getComponent() 1230 + " does not own the profile"); 1231 } 1232 throw new SecurityException("Admin " + admin.info.getComponent() 1233 + " did not specify uses-policy for: " 1234 + admin.info.getTagForPolicy(reqPolicy)); 1235 } else { 1236 throw new SecurityException("No active admin owned by uid " 1237 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1238 } 1239 } 1240 1241 private ActiveAdmin getActiveAdminWithPolicyForUidLocked(ComponentName who, int reqPolicy, 1242 int uid) { 1243 // Try to find an admin which can use reqPolicy 1244 final int userId = UserHandle.getUserId(uid); 1245 final DevicePolicyData policy = getUserData(userId); 1246 if (who != null) { 1247 ActiveAdmin admin = policy.mAdminMap.get(who); 1248 if (admin == null) { 1249 throw new SecurityException("No active admin " + who); 1250 } 1251 if (admin.getUid() != uid) { 1252 throw new SecurityException("Admin " + who + " is not owned by uid " 1253 + Binder.getCallingUid()); 1254 } 1255 if (isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, userId)) { 1256 return admin; 1257 } 1258 } else { 1259 for (ActiveAdmin admin : policy.mAdminList) { 1260 if (admin.getUid() == uid && isActiveAdminWithPolicyForUserLocked(admin, reqPolicy, 1261 userId)) { 1262 return admin; 1263 } 1264 } 1265 } 1266 1267 return null; 1268 } 1269 1270 private boolean isActiveAdminWithPolicyForUserLocked(ActiveAdmin admin, int reqPolicy, 1271 int userId) { 1272 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1273 boolean ownsProfile = (getProfileOwner(userId) != null 1274 && getProfileOwner(userId).getPackageName() 1275 .equals(admin.info.getPackageName())); 1276 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 1277 && !hasUserSetupCompleted(userId); 1278 1279 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1280 if ((userId == UserHandle.USER_OWNER && (ownsDevice || ownsInitialization)) 1281 || (ownsDevice && ownsProfile)) { 1282 return true; 1283 } 1284 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1285 if ((userId == UserHandle.USER_OWNER && ownsDevice) || ownsProfile 1286 || ownsInitialization) { 1287 return true; 1288 } 1289 } else { 1290 if (admin.info.usesPolicy(reqPolicy)) { 1291 return true; 1292 } 1293 } 1294 return false; 1295 } 1296 1297 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1298 sendAdminCommandLocked(admin, action, null); 1299 } 1300 1301 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1302 sendAdminCommandLocked(admin, action, null, result); 1303 } 1304 1305 /** 1306 * Send an update to one specific admin, get notified when that admin returns a result. 1307 */ 1308 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1309 BroadcastReceiver result) { 1310 Intent intent = new Intent(action); 1311 intent.setComponent(admin.info.getComponent()); 1312 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1313 intent.putExtra("expiration", admin.passwordExpirationDate); 1314 } 1315 if (adminExtras != null) { 1316 intent.putExtras(adminExtras); 1317 } 1318 if (result != null) { 1319 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1320 null, result, mHandler, Activity.RESULT_OK, null, null); 1321 } else { 1322 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1323 } 1324 } 1325 1326 /** 1327 * Send an update to all admins of a user that enforce a specified policy. 1328 */ 1329 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1330 final DevicePolicyData policy = getUserData(userHandle); 1331 final int count = policy.mAdminList.size(); 1332 if (count > 0) { 1333 for (int i = 0; i < count; i++) { 1334 final ActiveAdmin admin = policy.mAdminList.get(i); 1335 if (admin.info.usesPolicy(reqPolicy)) { 1336 sendAdminCommandLocked(admin, action); 1337 } 1338 } 1339 } 1340 } 1341 1342 /** 1343 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1344 * enforce a specified policy. 1345 */ 1346 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1347 int userHandle) { 1348 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1349 for (UserInfo ui : profiles) { 1350 int id = ui.id; 1351 sendAdminCommandLocked(action, reqPolicy, id); 1352 } 1353 } 1354 1355 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1356 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1357 if (admin != null) { 1358 synchronized (this) { 1359 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1360 } 1361 sendAdminCommandLocked(admin, 1362 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1363 new BroadcastReceiver() { 1364 @Override 1365 public void onReceive(Context context, Intent intent) { 1366 synchronized (DevicePolicyManagerService.this) { 1367 int userHandle = admin.getUserHandle().getIdentifier(); 1368 DevicePolicyData policy = getUserData(userHandle); 1369 boolean doProxyCleanup = admin.info.usesPolicy( 1370 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1371 policy.mAdminList.remove(admin); 1372 policy.mAdminMap.remove(adminReceiver); 1373 validatePasswordOwnerLocked(policy); 1374 syncDeviceCapabilitiesLocked(policy); 1375 if (doProxyCleanup) { 1376 resetGlobalProxyLocked(getUserData(userHandle)); 1377 } 1378 saveSettingsLocked(userHandle); 1379 updateMaximumTimeToLockLocked(policy); 1380 policy.mRemovingAdmins.remove(adminReceiver); 1381 } 1382 } 1383 }); 1384 } 1385 } 1386 1387 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1388 if (!mHasFeature) { 1389 return null; 1390 } 1391 enforceCrossUserPermission(userHandle); 1392 Intent resolveIntent = new Intent(); 1393 resolveIntent.setComponent(adminName); 1394 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1395 resolveIntent, 1396 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1397 userHandle); 1398 if (infos == null || infos.size() <= 0) { 1399 throw new IllegalArgumentException("Unknown admin: " + adminName); 1400 } 1401 1402 try { 1403 return new DeviceAdminInfo(mContext, infos.get(0)); 1404 } catch (XmlPullParserException e) { 1405 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1406 e); 1407 return null; 1408 } catch (IOException e) { 1409 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1410 e); 1411 return null; 1412 } 1413 } 1414 1415 private static JournaledFile makeJournaledFile(int userHandle) { 1416 final String base = userHandle == 0 1417 ? "/data/system/" + DEVICE_POLICIES_XML 1418 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1419 .getAbsolutePath(); 1420 return new JournaledFile(new File(base), new File(base + ".tmp")); 1421 } 1422 1423 private void saveSettingsLocked(int userHandle) { 1424 DevicePolicyData policy = getUserData(userHandle); 1425 JournaledFile journal = makeJournaledFile(userHandle); 1426 FileOutputStream stream = null; 1427 try { 1428 stream = new FileOutputStream(journal.chooseForWrite(), false); 1429 XmlSerializer out = new FastXmlSerializer(); 1430 out.setOutput(stream, StandardCharsets.UTF_8.name()); 1431 out.startDocument(null, true); 1432 1433 out.startTag(null, "policies"); 1434 if (policy.mRestrictionsProvider != null) { 1435 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1436 policy.mRestrictionsProvider.flattenToString()); 1437 } 1438 if (policy.mUserSetupComplete) { 1439 out.attribute(null, ATTR_SETUP_COMPLETE, 1440 Boolean.toString(true)); 1441 } 1442 if (policy.mPermissionPolicy != DevicePolicyManager.PERMISSION_POLICY_PROMPT) { 1443 out.attribute(null, ATTR_PERMISSION_POLICY, 1444 Integer.toString(policy.mPermissionPolicy)); 1445 } 1446 if (policy.mDelegatedCertInstallerPackage != null) { 1447 out.attribute(null, ATTR_DELEGATED_CERT_INSTALLER, 1448 policy.mDelegatedCertInstallerPackage); 1449 } 1450 1451 final int N = policy.mAdminList.size(); 1452 for (int i=0; i<N; i++) { 1453 ActiveAdmin ap = policy.mAdminList.get(i); 1454 if (ap != null) { 1455 out.startTag(null, "admin"); 1456 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1457 ap.writeToXml(out); 1458 out.endTag(null, "admin"); 1459 } 1460 } 1461 1462 if (policy.mPasswordOwner >= 0) { 1463 out.startTag(null, "password-owner"); 1464 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1465 out.endTag(null, "password-owner"); 1466 } 1467 1468 if (policy.mFailedPasswordAttempts != 0) { 1469 out.startTag(null, "failed-password-attempts"); 1470 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1471 out.endTag(null, "failed-password-attempts"); 1472 } 1473 1474 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1475 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1476 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1477 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1478 out.startTag(null, "active-password"); 1479 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1480 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1481 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1482 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1483 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1484 out.attribute(null, "numeric", Integer 1485 .toString(policy.mActivePasswordNumeric)); 1486 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1487 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1488 out.endTag(null, "active-password"); 1489 } 1490 1491 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1492 String component = policy.mLockTaskPackages.get(i); 1493 out.startTag(null, TAG_LOCK_TASK_COMPONENTS); 1494 out.attribute(null, "name", component); 1495 out.endTag(null, TAG_LOCK_TASK_COMPONENTS); 1496 } 1497 1498 if (policy.mStatusBarDisabled) { 1499 out.startTag(null, TAG_STATUS_BAR); 1500 out.attribute(null, ATTR_DISABLED, Boolean.toString(policy.mStatusBarDisabled)); 1501 out.endTag(null, TAG_STATUS_BAR); 1502 } 1503 1504 if (policy.doNotAskCredentialsOnBoot) { 1505 out.startTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1506 out.endTag(null, DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML); 1507 } 1508 1509 out.endTag(null, "policies"); 1510 1511 out.endDocument(); 1512 stream.flush(); 1513 FileUtils.sync(stream); 1514 stream.close(); 1515 journal.commit(); 1516 sendChangedNotification(userHandle); 1517 } catch (IOException e) { 1518 try { 1519 if (stream != null) { 1520 stream.close(); 1521 } 1522 } catch (IOException ex) { 1523 // Ignore 1524 } 1525 journal.rollback(); 1526 } 1527 } 1528 1529 private void sendChangedNotification(int userHandle) { 1530 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1531 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1532 long ident = Binder.clearCallingIdentity(); 1533 try { 1534 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1535 } finally { 1536 Binder.restoreCallingIdentity(ident); 1537 } 1538 } 1539 1540 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1541 JournaledFile journal = makeJournaledFile(userHandle); 1542 FileInputStream stream = null; 1543 File file = journal.chooseForRead(); 1544 try { 1545 stream = new FileInputStream(file); 1546 XmlPullParser parser = Xml.newPullParser(); 1547 parser.setInput(stream, StandardCharsets.UTF_8.name()); 1548 1549 int type; 1550 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1551 && type != XmlPullParser.START_TAG) { 1552 } 1553 String tag = parser.getName(); 1554 if (!"policies".equals(tag)) { 1555 throw new XmlPullParserException( 1556 "Settings do not start with policies tag: found " + tag); 1557 } 1558 1559 // Extract the permission provider component name if available 1560 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1561 if (permissionProvider != null) { 1562 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1563 } 1564 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1565 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1566 policy.mUserSetupComplete = true; 1567 } 1568 String permissionPolicy = parser.getAttributeValue(null, ATTR_PERMISSION_POLICY); 1569 if (!TextUtils.isEmpty(permissionPolicy)) { 1570 policy.mPermissionPolicy = Integer.parseInt(permissionPolicy); 1571 } 1572 policy.mDelegatedCertInstallerPackage = parser.getAttributeValue(null, 1573 ATTR_DELEGATED_CERT_INSTALLER); 1574 1575 type = parser.next(); 1576 int outerDepth = parser.getDepth(); 1577 policy.mLockTaskPackages.clear(); 1578 policy.mAdminList.clear(); 1579 policy.mAdminMap.clear(); 1580 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1581 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1582 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1583 continue; 1584 } 1585 tag = parser.getName(); 1586 if ("admin".equals(tag)) { 1587 String name = parser.getAttributeValue(null, "name"); 1588 try { 1589 DeviceAdminInfo dai = findAdmin( 1590 ComponentName.unflattenFromString(name), userHandle); 1591 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1592 != userHandle)) { 1593 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1594 + dai.getActivityInfo().applicationInfo.uid + " for user " 1595 + userHandle); 1596 } 1597 if (dai != null) { 1598 ActiveAdmin ap = new ActiveAdmin(dai); 1599 ap.readFromXml(parser); 1600 policy.mAdminMap.put(ap.info.getComponent(), ap); 1601 } 1602 } catch (RuntimeException e) { 1603 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1604 } 1605 } else if ("failed-password-attempts".equals(tag)) { 1606 policy.mFailedPasswordAttempts = Integer.parseInt( 1607 parser.getAttributeValue(null, "value")); 1608 } else if ("password-owner".equals(tag)) { 1609 policy.mPasswordOwner = Integer.parseInt( 1610 parser.getAttributeValue(null, "value")); 1611 } else if ("active-password".equals(tag)) { 1612 policy.mActivePasswordQuality = Integer.parseInt( 1613 parser.getAttributeValue(null, "quality")); 1614 policy.mActivePasswordLength = Integer.parseInt( 1615 parser.getAttributeValue(null, "length")); 1616 policy.mActivePasswordUpperCase = Integer.parseInt( 1617 parser.getAttributeValue(null, "uppercase")); 1618 policy.mActivePasswordLowerCase = Integer.parseInt( 1619 parser.getAttributeValue(null, "lowercase")); 1620 policy.mActivePasswordLetters = Integer.parseInt( 1621 parser.getAttributeValue(null, "letters")); 1622 policy.mActivePasswordNumeric = Integer.parseInt( 1623 parser.getAttributeValue(null, "numeric")); 1624 policy.mActivePasswordSymbols = Integer.parseInt( 1625 parser.getAttributeValue(null, "symbols")); 1626 policy.mActivePasswordNonLetter = Integer.parseInt( 1627 parser.getAttributeValue(null, "nonletter")); 1628 } else if (TAG_LOCK_TASK_COMPONENTS.equals(tag)) { 1629 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1630 } else if (TAG_STATUS_BAR.equals(tag)) { 1631 policy.mStatusBarDisabled = Boolean.parseBoolean( 1632 parser.getAttributeValue(null, ATTR_DISABLED)); 1633 } else if (DO_NOT_ASK_CREDENTIALS_ON_BOOT_XML.equals(tag)) { 1634 policy.doNotAskCredentialsOnBoot = true; 1635 } else { 1636 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1637 XmlUtils.skipCurrentTag(parser); 1638 } 1639 } 1640 } catch (NullPointerException e) { 1641 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1642 } catch (NumberFormatException e) { 1643 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1644 } catch (XmlPullParserException e) { 1645 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1646 } catch (FileNotFoundException e) { 1647 // Don't be noisy, this is normal if we haven't defined any policies. 1648 } catch (IOException e) { 1649 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1650 } catch (IndexOutOfBoundsException e) { 1651 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1652 } 1653 try { 1654 if (stream != null) { 1655 stream.close(); 1656 } 1657 } catch (IOException e) { 1658 // Ignore 1659 } 1660 1661 // Generate a list of admins from the admin map 1662 policy.mAdminList.addAll(policy.mAdminMap.values()); 1663 1664 // Validate that what we stored for the password quality matches 1665 // sufficiently what is currently set. Note that this is only 1666 // a sanity check in case the two get out of sync; this should 1667 // never normally happen. 1668 final long identity = Binder.clearCallingIdentity(); 1669 try { 1670 LockPatternUtils utils = new LockPatternUtils(mContext); 1671 if (utils.getActivePasswordQuality(userHandle) < policy.mActivePasswordQuality) { 1672 Slog.w(LOG_TAG, "Active password quality 0x" 1673 + Integer.toHexString(policy.mActivePasswordQuality) 1674 + " does not match actual quality 0x" 1675 + Integer.toHexString(utils.getActivePasswordQuality(userHandle))); 1676 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1677 policy.mActivePasswordLength = 0; 1678 policy.mActivePasswordUpperCase = 0; 1679 policy.mActivePasswordLowerCase = 0; 1680 policy.mActivePasswordLetters = 0; 1681 policy.mActivePasswordNumeric = 0; 1682 policy.mActivePasswordSymbols = 0; 1683 policy.mActivePasswordNonLetter = 0; 1684 } 1685 } finally { 1686 Binder.restoreCallingIdentity(identity); 1687 } 1688 1689 validatePasswordOwnerLocked(policy); 1690 syncDeviceCapabilitiesLocked(policy); 1691 updateMaximumTimeToLockLocked(policy); 1692 addDeviceInitializerToLockTaskPackagesLocked(userHandle); 1693 updateLockTaskPackagesLocked(policy.mLockTaskPackages, userHandle); 1694 if (policy.mStatusBarDisabled) { 1695 setStatusBarDisabledInternal(policy.mStatusBarDisabled, userHandle); 1696 } 1697 } 1698 1699 private void updateLockTaskPackagesLocked(List<String> packages, int userId) { 1700 IActivityManager am = ActivityManagerNative.getDefault(); 1701 long ident = Binder.clearCallingIdentity(); 1702 try { 1703 am.updateLockTaskPackages(userId, packages.toArray(new String[packages.size()])); 1704 } catch (RemoteException e) { 1705 // Not gonna happen. 1706 } finally { 1707 Binder.restoreCallingIdentity(ident); 1708 } 1709 } 1710 1711 private void updateDeviceOwnerLocked() { 1712 IActivityManager am = ActivityManagerNative.getDefault(); 1713 long ident = Binder.clearCallingIdentity(); 1714 try { 1715 am.updateDeviceOwner(getDeviceOwner()); 1716 } catch (RemoteException e) { 1717 // Not gonna happen. 1718 } finally { 1719 Binder.restoreCallingIdentity(ident); 1720 } 1721 } 1722 1723 static void validateQualityConstant(int quality) { 1724 switch (quality) { 1725 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1726 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1727 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1728 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1729 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1730 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1731 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1732 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1733 return; 1734 } 1735 throw new IllegalArgumentException("Invalid quality constant: 0x" 1736 + Integer.toHexString(quality)); 1737 } 1738 1739 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1740 if (policy.mPasswordOwner >= 0) { 1741 boolean haveOwner = false; 1742 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1743 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1744 haveOwner = true; 1745 break; 1746 } 1747 } 1748 if (!haveOwner) { 1749 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1750 + " no longer active; disabling"); 1751 policy.mPasswordOwner = -1; 1752 } 1753 } 1754 } 1755 1756 /** 1757 * Pushes down policy information to the system for any policies related to general device 1758 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1759 */ 1760 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1761 // Ensure the status of the camera is synced down to the system. Interested native services 1762 // should monitor this value and act accordingly. 1763 String cameraPropertyForUser = SYSTEM_PROP_DISABLE_CAMERA_PREFIX + policy.mUserHandle; 1764 boolean systemState = SystemProperties.getBoolean(cameraPropertyForUser, false); 1765 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1766 if (cameraDisabled != systemState) { 1767 long token = Binder.clearCallingIdentity(); 1768 try { 1769 String value = cameraDisabled ? "1" : "0"; 1770 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1771 + cameraPropertyForUser + "] = " + value); 1772 SystemProperties.set(cameraPropertyForUser, value); 1773 } finally { 1774 Binder.restoreCallingIdentity(token); 1775 } 1776 } 1777 } 1778 1779 public void systemReady() { 1780 if (!mHasFeature) { 1781 return; 1782 } 1783 getUserData(UserHandle.USER_OWNER); 1784 loadDeviceOwner(); 1785 cleanUpOldUsers(); 1786 // Register an observer for watching for user setup complete. 1787 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1788 // Initialize the user setup state, to handle the upgrade case. 1789 updateUserSetupComplete(); 1790 1791 // Update the screen capture disabled cache in the window manager 1792 List<UserInfo> users = mUserManager.getUsers(true); 1793 final int N = users.size(); 1794 for (int i = 0; i < N; i++) { 1795 int userHandle = users.get(i).id; 1796 updateScreenCaptureDisabledInWindowManager(userHandle, 1797 getScreenCaptureDisabled(null, userHandle)); 1798 } 1799 } 1800 1801 private void cleanUpOldUsers() { 1802 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1803 // before reboot 1804 Set<Integer> usersWithProfileOwners; 1805 Set<Integer> usersWithData; 1806 synchronized(this) { 1807 usersWithProfileOwners = mDeviceOwner != null 1808 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1809 usersWithData = new HashSet<Integer>(); 1810 for (int i = 0; i < mUserData.size(); i++) { 1811 usersWithData.add(mUserData.keyAt(i)); 1812 } 1813 } 1814 List<UserInfo> allUsers = mUserManager.getUsers(); 1815 1816 Set<Integer> deletedUsers = new HashSet<Integer>(); 1817 deletedUsers.addAll(usersWithProfileOwners); 1818 deletedUsers.addAll(usersWithData); 1819 for (UserInfo userInfo : allUsers) { 1820 deletedUsers.remove(userInfo.id); 1821 } 1822 for (Integer userId : deletedUsers) { 1823 removeUserData(userId); 1824 } 1825 } 1826 1827 private void handlePasswordExpirationNotification(int userHandle) { 1828 synchronized (this) { 1829 final long now = System.currentTimeMillis(); 1830 1831 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1832 for (UserInfo ui : profiles) { 1833 int profileUserHandle = ui.id; 1834 final DevicePolicyData policy = getUserData(profileUserHandle); 1835 final int count = policy.mAdminList.size(); 1836 if (count > 0) { 1837 for (int i = 0; i < count; i++) { 1838 final ActiveAdmin admin = policy.mAdminList.get(i); 1839 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1840 && admin.passwordExpirationTimeout > 0L 1841 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1842 && admin.passwordExpirationDate > 0L) { 1843 sendAdminCommandLocked(admin, 1844 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1845 } 1846 } 1847 } 1848 } 1849 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1850 } 1851 } 1852 1853 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1854 @Override 1855 protected Void doInBackground(Intent... params) { 1856 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1857 1858 if (userHandle == UserHandle.USER_ALL) { 1859 for (UserInfo userInfo : mUserManager.getUsers()) { 1860 manageNotification(userInfo.getUserHandle()); 1861 } 1862 } else { 1863 manageNotification(new UserHandle(userHandle)); 1864 } 1865 return null; 1866 } 1867 1868 private void manageNotification(UserHandle userHandle) { 1869 if (!mUserManager.isUserRunning(userHandle)) { 1870 return; 1871 } 1872 1873 // Call out to KeyChain to check for user-added CAs 1874 boolean hasCert = false; 1875 try { 1876 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1877 try { 1878 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1879 hasCert = true; 1880 } 1881 } catch (RemoteException e) { 1882 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1883 } finally { 1884 kcs.close(); 1885 } 1886 } catch (InterruptedException e) { 1887 Thread.currentThread().interrupt(); 1888 } catch (RuntimeException e) { 1889 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1890 } 1891 if (!hasCert) { 1892 getNotificationManager().cancelAsUser( 1893 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1894 return; 1895 } 1896 1897 // Build and show a warning notification 1898 int smallIconId; 1899 String contentText; 1900 final String ownerName = getDeviceOwnerName(); 1901 if (isManagedProfile(userHandle.getIdentifier())) { 1902 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1903 smallIconId = R.drawable.stat_sys_certificate_info; 1904 } else if (ownerName != null) { 1905 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1906 smallIconId = R.drawable.stat_sys_certificate_info; 1907 } else { 1908 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1909 smallIconId = android.R.drawable.stat_sys_warning; 1910 } 1911 1912 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1913 dialogIntent.setFlags( 1914 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1915 dialogIntent.setPackage("com.android.settings"); 1916 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1917 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1918 1919 final Context userContext; 1920 try { 1921 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1922 } catch (PackageManager.NameNotFoundException e) { 1923 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1924 return; 1925 } 1926 final Notification noti = new Notification.Builder(userContext) 1927 .setSmallIcon(smallIconId) 1928 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1929 .setContentText(contentText) 1930 .setContentIntent(notifyIntent) 1931 .setPriority(Notification.PRIORITY_HIGH) 1932 .setShowWhen(false) 1933 .setColor(mContext.getColor( 1934 com.android.internal.R.color.system_notification_accent_color)) 1935 .build(); 1936 1937 getNotificationManager().notifyAsUser( 1938 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1939 } 1940 } 1941 1942 /** 1943 * @param adminReceiver The admin to add 1944 * @param refreshing true = update an active admin, no error 1945 */ 1946 @Override 1947 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1948 if (!mHasFeature) { 1949 return; 1950 } 1951 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1952 } 1953 1954 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1955 Bundle onEnableData) { 1956 mContext.enforceCallingOrSelfPermission( 1957 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1958 enforceCrossUserPermission(userHandle); 1959 1960 DevicePolicyData policy = getUserData(userHandle); 1961 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1962 if (info == null) { 1963 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1964 } 1965 synchronized (this) { 1966 long ident = Binder.clearCallingIdentity(); 1967 try { 1968 if (!refreshing 1969 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1970 throw new IllegalArgumentException("Admin is already added"); 1971 } 1972 ActiveAdmin newAdmin = new ActiveAdmin(info); 1973 policy.mAdminMap.put(adminReceiver, newAdmin); 1974 int replaceIndex = -1; 1975 final int N = policy.mAdminList.size(); 1976 for (int i=0; i < N; i++) { 1977 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1978 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1979 replaceIndex = i; 1980 break; 1981 } 1982 } 1983 if (replaceIndex == -1) { 1984 policy.mAdminList.add(newAdmin); 1985 enableIfNecessary(info.getPackageName(), userHandle); 1986 } else { 1987 policy.mAdminList.set(replaceIndex, newAdmin); 1988 } 1989 saveSettingsLocked(userHandle); 1990 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1991 onEnableData, null); 1992 } finally { 1993 Binder.restoreCallingIdentity(ident); 1994 } 1995 } 1996 } 1997 1998 @Override 1999 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 2000 if (!mHasFeature) { 2001 return false; 2002 } 2003 enforceCrossUserPermission(userHandle); 2004 synchronized (this) { 2005 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 2006 } 2007 } 2008 2009 @Override 2010 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 2011 if (!mHasFeature) { 2012 return false; 2013 } 2014 enforceCrossUserPermission(userHandle); 2015 synchronized (this) { 2016 DevicePolicyData policyData = getUserData(userHandle); 2017 return policyData.mRemovingAdmins.contains(adminReceiver); 2018 } 2019 } 2020 2021 @Override 2022 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 2023 if (!mHasFeature) { 2024 return false; 2025 } 2026 enforceCrossUserPermission(userHandle); 2027 synchronized (this) { 2028 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2029 if (administrator == null) { 2030 throw new SecurityException("No active admin " + adminReceiver); 2031 } 2032 return administrator.info.usesPolicy(policyId); 2033 } 2034 } 2035 2036 @Override 2037 @SuppressWarnings("unchecked") 2038 public List<ComponentName> getActiveAdmins(int userHandle) { 2039 if (!mHasFeature) { 2040 return Collections.EMPTY_LIST; 2041 } 2042 2043 enforceCrossUserPermission(userHandle); 2044 synchronized (this) { 2045 DevicePolicyData policy = getUserData(userHandle); 2046 final int N = policy.mAdminList.size(); 2047 if (N <= 0) { 2048 return null; 2049 } 2050 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 2051 for (int i=0; i<N; i++) { 2052 res.add(policy.mAdminList.get(i).info.getComponent()); 2053 } 2054 return res; 2055 } 2056 } 2057 2058 @Override 2059 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 2060 if (!mHasFeature) { 2061 return false; 2062 } 2063 enforceCrossUserPermission(userHandle); 2064 synchronized (this) { 2065 DevicePolicyData policy = getUserData(userHandle); 2066 final int N = policy.mAdminList.size(); 2067 for (int i=0; i<N; i++) { 2068 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 2069 return true; 2070 } 2071 } 2072 return false; 2073 } 2074 } 2075 2076 @Override 2077 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 2078 if (!mHasFeature) { 2079 return; 2080 } 2081 enforceCrossUserPermission(userHandle); 2082 synchronized (this) { 2083 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 2084 if (admin == null) { 2085 return; 2086 } 2087 if (admin.getUid() != Binder.getCallingUid()) { 2088 // Active device owners must remain active admins. 2089 if (isDeviceOwner(adminReceiver.getPackageName())) { 2090 return; 2091 } 2092 mContext.enforceCallingOrSelfPermission( 2093 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 2094 } 2095 long ident = Binder.clearCallingIdentity(); 2096 try { 2097 removeActiveAdminLocked(adminReceiver, userHandle); 2098 } finally { 2099 Binder.restoreCallingIdentity(ident); 2100 } 2101 } 2102 } 2103 2104 @Override 2105 public void setPasswordQuality(ComponentName who, int quality) { 2106 if (!mHasFeature) { 2107 return; 2108 } 2109 Preconditions.checkNotNull(who, "ComponentName is null"); 2110 final int userHandle = UserHandle.getCallingUserId(); 2111 validateQualityConstant(quality); 2112 2113 synchronized (this) { 2114 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2115 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2116 if (ap.passwordQuality != quality) { 2117 ap.passwordQuality = quality; 2118 saveSettingsLocked(userHandle); 2119 } 2120 } 2121 } 2122 2123 @Override 2124 public int getPasswordQuality(ComponentName who, int userHandle) { 2125 if (!mHasFeature) { 2126 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2127 } 2128 enforceCrossUserPermission(userHandle); 2129 synchronized (this) { 2130 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 2131 2132 if (who != null) { 2133 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2134 return admin != null ? admin.passwordQuality : mode; 2135 } 2136 2137 // Return strictest policy for this user and profiles that are visible from this user. 2138 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2139 for (UserInfo userInfo : profiles) { 2140 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2141 final int N = policy.mAdminList.size(); 2142 for (int i=0; i<N; i++) { 2143 ActiveAdmin admin = policy.mAdminList.get(i); 2144 if (mode < admin.passwordQuality) { 2145 mode = admin.passwordQuality; 2146 } 2147 } 2148 } 2149 return mode; 2150 } 2151 } 2152 2153 @Override 2154 public void setPasswordMinimumLength(ComponentName who, int length) { 2155 if (!mHasFeature) { 2156 return; 2157 } 2158 Preconditions.checkNotNull(who, "ComponentName is null"); 2159 final int userHandle = UserHandle.getCallingUserId(); 2160 synchronized (this) { 2161 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2162 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2163 if (ap.minimumPasswordLength != length) { 2164 ap.minimumPasswordLength = length; 2165 saveSettingsLocked(userHandle); 2166 } 2167 } 2168 } 2169 2170 @Override 2171 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 2172 if (!mHasFeature) { 2173 return 0; 2174 } 2175 enforceCrossUserPermission(userHandle); 2176 synchronized (this) { 2177 int length = 0; 2178 2179 if (who != null) { 2180 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2181 return admin != null ? admin.minimumPasswordLength : length; 2182 } 2183 2184 // Return strictest policy for this user and profiles that are visible from this user. 2185 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2186 for (UserInfo userInfo : profiles) { 2187 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2188 final int N = policy.mAdminList.size(); 2189 for (int i=0; i<N; i++) { 2190 ActiveAdmin admin = policy.mAdminList.get(i); 2191 if (length < admin.minimumPasswordLength) { 2192 length = admin.minimumPasswordLength; 2193 } 2194 } 2195 } 2196 return length; 2197 } 2198 } 2199 2200 @Override 2201 public void setPasswordHistoryLength(ComponentName who, int length) { 2202 if (!mHasFeature) { 2203 return; 2204 } 2205 Preconditions.checkNotNull(who, "ComponentName is null"); 2206 final int userHandle = UserHandle.getCallingUserId(); 2207 synchronized (this) { 2208 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2209 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2210 if (ap.passwordHistoryLength != length) { 2211 ap.passwordHistoryLength = length; 2212 saveSettingsLocked(userHandle); 2213 } 2214 } 2215 } 2216 2217 @Override 2218 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2219 if (!mHasFeature) { 2220 return 0; 2221 } 2222 enforceCrossUserPermission(userHandle); 2223 synchronized (this) { 2224 int length = 0; 2225 2226 if (who != null) { 2227 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2228 return admin != null ? admin.passwordHistoryLength : length; 2229 } 2230 2231 // Return strictest policy for this user and profiles that are visible from this user. 2232 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2233 for (UserInfo userInfo : profiles) { 2234 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2235 final int N = policy.mAdminList.size(); 2236 for (int i = 0; i < N; i++) { 2237 ActiveAdmin admin = policy.mAdminList.get(i); 2238 if (length < admin.passwordHistoryLength) { 2239 length = admin.passwordHistoryLength; 2240 } 2241 } 2242 } 2243 return length; 2244 } 2245 } 2246 2247 @Override 2248 public void setPasswordExpirationTimeout(ComponentName who, long timeout) { 2249 if (!mHasFeature) { 2250 return; 2251 } 2252 Preconditions.checkNotNull(who, "ComponentName is null"); 2253 Preconditions.checkArgumentNonnegative(timeout, "Timeout must be >= 0 ms"); 2254 final int userHandle = UserHandle.getCallingUserId(); 2255 synchronized (this) { 2256 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2257 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2258 // Calling this API automatically bumps the expiration date 2259 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2260 ap.passwordExpirationDate = expiration; 2261 ap.passwordExpirationTimeout = timeout; 2262 if (timeout > 0L) { 2263 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2264 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2265 .format(new Date(expiration))); 2266 } 2267 saveSettingsLocked(userHandle); 2268 // in case this is the first one 2269 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2270 } 2271 } 2272 2273 /** 2274 * Return a single admin's expiration cycle time, or the min of all cycle times. 2275 * Returns 0 if not configured. 2276 */ 2277 @Override 2278 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2279 if (!mHasFeature) { 2280 return 0L; 2281 } 2282 enforceCrossUserPermission(userHandle); 2283 synchronized (this) { 2284 long timeout = 0L; 2285 2286 if (who != null) { 2287 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2288 return admin != null ? admin.passwordExpirationTimeout : timeout; 2289 } 2290 2291 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2292 for (UserInfo userInfo : profiles) { 2293 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2294 final int N = policy.mAdminList.size(); 2295 for (int i = 0; i < N; i++) { 2296 ActiveAdmin admin = policy.mAdminList.get(i); 2297 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2298 && timeout > admin.passwordExpirationTimeout)) { 2299 timeout = admin.passwordExpirationTimeout; 2300 } 2301 } 2302 } 2303 return timeout; 2304 } 2305 } 2306 2307 @Override 2308 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2309 final int userId = UserHandle.getCallingUserId(); 2310 List<String> changedProviders = null; 2311 2312 synchronized (this) { 2313 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2314 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2315 if (activeAdmin.crossProfileWidgetProviders == null) { 2316 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2317 } 2318 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2319 if (!providers.contains(packageName)) { 2320 providers.add(packageName); 2321 changedProviders = new ArrayList<>(providers); 2322 saveSettingsLocked(userId); 2323 } 2324 } 2325 2326 if (changedProviders != null) { 2327 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2328 return true; 2329 } 2330 2331 return false; 2332 } 2333 2334 @Override 2335 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2336 final int userId = UserHandle.getCallingUserId(); 2337 List<String> changedProviders = null; 2338 2339 synchronized (this) { 2340 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2341 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2342 if (activeAdmin.crossProfileWidgetProviders == null) { 2343 return false; 2344 } 2345 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2346 if (providers.remove(packageName)) { 2347 changedProviders = new ArrayList<>(providers); 2348 saveSettingsLocked(userId); 2349 } 2350 } 2351 2352 if (changedProviders != null) { 2353 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2354 return true; 2355 } 2356 2357 return false; 2358 } 2359 2360 @Override 2361 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2362 synchronized (this) { 2363 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2364 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2365 if (activeAdmin.crossProfileWidgetProviders == null 2366 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2367 return null; 2368 } 2369 if (Binder.getCallingUid() == Process.myUid()) { 2370 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2371 } else { 2372 return activeAdmin.crossProfileWidgetProviders; 2373 } 2374 } 2375 } 2376 2377 /** 2378 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2379 * Returns 0 if not configured. 2380 */ 2381 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2382 long timeout = 0L; 2383 2384 if (who != null) { 2385 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2386 return admin != null ? admin.passwordExpirationDate : timeout; 2387 } 2388 2389 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2390 for (UserInfo userInfo : profiles) { 2391 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2392 final int N = policy.mAdminList.size(); 2393 for (int i = 0; i < N; i++) { 2394 ActiveAdmin admin = policy.mAdminList.get(i); 2395 if (timeout == 0L || (admin.passwordExpirationDate != 0 2396 && timeout > admin.passwordExpirationDate)) { 2397 timeout = admin.passwordExpirationDate; 2398 } 2399 } 2400 } 2401 return timeout; 2402 } 2403 2404 @Override 2405 public long getPasswordExpiration(ComponentName who, int userHandle) { 2406 if (!mHasFeature) { 2407 return 0L; 2408 } 2409 enforceCrossUserPermission(userHandle); 2410 synchronized (this) { 2411 return getPasswordExpirationLocked(who, userHandle); 2412 } 2413 } 2414 2415 @Override 2416 public void setPasswordMinimumUpperCase(ComponentName who, int length) { 2417 if (!mHasFeature) { 2418 return; 2419 } 2420 Preconditions.checkNotNull(who, "ComponentName is null"); 2421 final int userHandle = UserHandle.getCallingUserId(); 2422 synchronized (this) { 2423 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2424 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2425 if (ap.minimumPasswordUpperCase != length) { 2426 ap.minimumPasswordUpperCase = length; 2427 saveSettingsLocked(userHandle); 2428 } 2429 } 2430 } 2431 2432 @Override 2433 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2434 if (!mHasFeature) { 2435 return 0; 2436 } 2437 enforceCrossUserPermission(userHandle); 2438 synchronized (this) { 2439 int length = 0; 2440 2441 if (who != null) { 2442 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2443 return admin != null ? admin.minimumPasswordUpperCase : length; 2444 } 2445 2446 // Return strictest policy for this user and profiles that are visible from this user. 2447 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2448 for (UserInfo userInfo : profiles) { 2449 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2450 final int N = policy.mAdminList.size(); 2451 for (int i=0; i<N; i++) { 2452 ActiveAdmin admin = policy.mAdminList.get(i); 2453 if (length < admin.minimumPasswordUpperCase) { 2454 length = admin.minimumPasswordUpperCase; 2455 } 2456 } 2457 } 2458 return length; 2459 } 2460 } 2461 2462 @Override 2463 public void setPasswordMinimumLowerCase(ComponentName who, int length) { 2464 Preconditions.checkNotNull(who, "ComponentName is null"); 2465 final int userHandle = UserHandle.getCallingUserId(); 2466 synchronized (this) { 2467 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2468 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2469 if (ap.minimumPasswordLowerCase != length) { 2470 ap.minimumPasswordLowerCase = length; 2471 saveSettingsLocked(userHandle); 2472 } 2473 } 2474 } 2475 2476 @Override 2477 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2478 if (!mHasFeature) { 2479 return 0; 2480 } 2481 enforceCrossUserPermission(userHandle); 2482 synchronized (this) { 2483 int length = 0; 2484 2485 if (who != null) { 2486 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2487 return admin != null ? admin.minimumPasswordLowerCase : length; 2488 } 2489 2490 // Return strictest policy for this user and profiles that are visible from this user. 2491 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2492 for (UserInfo userInfo : profiles) { 2493 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2494 final int N = policy.mAdminList.size(); 2495 for (int i=0; i<N; i++) { 2496 ActiveAdmin admin = policy.mAdminList.get(i); 2497 if (length < admin.minimumPasswordLowerCase) { 2498 length = admin.minimumPasswordLowerCase; 2499 } 2500 } 2501 } 2502 return length; 2503 } 2504 } 2505 2506 @Override 2507 public void setPasswordMinimumLetters(ComponentName who, int length) { 2508 if (!mHasFeature) { 2509 return; 2510 } 2511 Preconditions.checkNotNull(who, "ComponentName is null"); 2512 final int userHandle = UserHandle.getCallingUserId(); 2513 synchronized (this) { 2514 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2515 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2516 if (ap.minimumPasswordLetters != length) { 2517 ap.minimumPasswordLetters = length; 2518 saveSettingsLocked(userHandle); 2519 } 2520 } 2521 } 2522 2523 @Override 2524 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2525 if (!mHasFeature) { 2526 return 0; 2527 } 2528 enforceCrossUserPermission(userHandle); 2529 synchronized (this) { 2530 int length = 0; 2531 2532 if (who != null) { 2533 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2534 return admin != null ? admin.minimumPasswordLetters : length; 2535 } 2536 2537 // Return strictest policy for this user and profiles that are visible from this user. 2538 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2539 for (UserInfo userInfo : profiles) { 2540 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2541 final int N = policy.mAdminList.size(); 2542 for (int i=0; i<N; i++) { 2543 ActiveAdmin admin = policy.mAdminList.get(i); 2544 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2545 continue; 2546 } 2547 if (length < admin.minimumPasswordLetters) { 2548 length = admin.minimumPasswordLetters; 2549 } 2550 } 2551 } 2552 return length; 2553 } 2554 } 2555 2556 @Override 2557 public void setPasswordMinimumNumeric(ComponentName who, int length) { 2558 if (!mHasFeature) { 2559 return; 2560 } 2561 Preconditions.checkNotNull(who, "ComponentName is null"); 2562 final int userHandle = UserHandle.getCallingUserId(); 2563 synchronized (this) { 2564 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2565 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2566 if (ap.minimumPasswordNumeric != length) { 2567 ap.minimumPasswordNumeric = length; 2568 saveSettingsLocked(userHandle); 2569 } 2570 } 2571 } 2572 2573 @Override 2574 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2575 if (!mHasFeature) { 2576 return 0; 2577 } 2578 enforceCrossUserPermission(userHandle); 2579 synchronized (this) { 2580 int length = 0; 2581 2582 if (who != null) { 2583 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2584 return admin != null ? admin.minimumPasswordNumeric : length; 2585 } 2586 2587 // Return strictest policy for this user and profiles that are visible from this user. 2588 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2589 for (UserInfo userInfo : profiles) { 2590 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2591 final int N = policy.mAdminList.size(); 2592 for (int i = 0; i < N; i++) { 2593 ActiveAdmin admin = policy.mAdminList.get(i); 2594 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2595 continue; 2596 } 2597 if (length < admin.minimumPasswordNumeric) { 2598 length = admin.minimumPasswordNumeric; 2599 } 2600 } 2601 } 2602 return length; 2603 } 2604 } 2605 2606 @Override 2607 public void setPasswordMinimumSymbols(ComponentName who, int length) { 2608 if (!mHasFeature) { 2609 return; 2610 } 2611 Preconditions.checkNotNull(who, "ComponentName is null"); 2612 final int userHandle = UserHandle.getCallingUserId(); 2613 synchronized (this) { 2614 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2615 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2616 if (ap.minimumPasswordSymbols != length) { 2617 ap.minimumPasswordSymbols = length; 2618 saveSettingsLocked(userHandle); 2619 } 2620 } 2621 } 2622 2623 @Override 2624 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2625 if (!mHasFeature) { 2626 return 0; 2627 } 2628 enforceCrossUserPermission(userHandle); 2629 synchronized (this) { 2630 int length = 0; 2631 2632 if (who != null) { 2633 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2634 return admin != null ? admin.minimumPasswordSymbols : length; 2635 } 2636 2637 // Return strictest policy for this user and profiles that are visible from this user. 2638 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2639 for (UserInfo userInfo : profiles) { 2640 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2641 final int N = policy.mAdminList.size(); 2642 for (int i=0; i<N; i++) { 2643 ActiveAdmin admin = policy.mAdminList.get(i); 2644 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2645 continue; 2646 } 2647 if (length < admin.minimumPasswordSymbols) { 2648 length = admin.minimumPasswordSymbols; 2649 } 2650 } 2651 } 2652 return length; 2653 } 2654 } 2655 2656 @Override 2657 public void setPasswordMinimumNonLetter(ComponentName who, int length) { 2658 if (!mHasFeature) { 2659 return; 2660 } 2661 Preconditions.checkNotNull(who, "ComponentName is null"); 2662 final int userHandle = UserHandle.getCallingUserId(); 2663 synchronized (this) { 2664 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2665 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2666 if (ap.minimumPasswordNonLetter != length) { 2667 ap.minimumPasswordNonLetter = length; 2668 saveSettingsLocked(userHandle); 2669 } 2670 } 2671 } 2672 2673 @Override 2674 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2675 if (!mHasFeature) { 2676 return 0; 2677 } 2678 enforceCrossUserPermission(userHandle); 2679 synchronized (this) { 2680 int length = 0; 2681 2682 if (who != null) { 2683 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2684 return admin != null ? admin.minimumPasswordNonLetter : length; 2685 } 2686 2687 // Return strictest policy for this user and profiles that are visible from this user. 2688 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2689 for (UserInfo userInfo : profiles) { 2690 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2691 final int N = policy.mAdminList.size(); 2692 for (int i=0; i<N; i++) { 2693 ActiveAdmin admin = policy.mAdminList.get(i); 2694 if (!isLimitPasswordAllowed(admin, PASSWORD_QUALITY_COMPLEX)) { 2695 continue; 2696 } 2697 if (length < admin.minimumPasswordNonLetter) { 2698 length = admin.minimumPasswordNonLetter; 2699 } 2700 } 2701 } 2702 return length; 2703 } 2704 } 2705 2706 @Override 2707 public boolean isActivePasswordSufficient(int userHandle) { 2708 if (!mHasFeature) { 2709 return true; 2710 } 2711 enforceCrossUserPermission(userHandle); 2712 2713 synchronized (this) { 2714 2715 // The active password is stored in the user that runs the launcher 2716 // If the user this is called from is part of a profile group, that is the parent 2717 // of the group. 2718 UserInfo parent = getProfileParent(userHandle); 2719 int id = (parent == null) ? userHandle : parent.id; 2720 DevicePolicyData policy = getUserDataUnchecked(id); 2721 2722 // This API can only be called by an active device admin, 2723 // so try to retrieve it to check that the caller is one. 2724 getActiveAdminForCallerLocked(null, DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2725 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2726 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2727 return false; 2728 } 2729 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2730 return true; 2731 } 2732 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2733 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2734 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2735 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2736 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2737 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2738 } 2739 } 2740 2741 @Override 2742 public int getCurrentFailedPasswordAttempts(int userHandle) { 2743 synchronized (this) { 2744 // This API can only be called by an active device admin, 2745 // so try to retrieve it to check that the caller is one. 2746 getActiveAdminForCallerLocked(null, 2747 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2748 2749 // The active password is stored in the parent. 2750 UserInfo parent = getProfileParent(userHandle); 2751 int id = (parent == null) ? userHandle : parent.id; 2752 DevicePolicyData policy = getUserDataUnchecked(id); 2753 2754 return policy.mFailedPasswordAttempts; 2755 } 2756 } 2757 2758 @Override 2759 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num) { 2760 if (!mHasFeature) { 2761 return; 2762 } 2763 Preconditions.checkNotNull(who, "ComponentName is null"); 2764 final int userHandle = UserHandle.getCallingUserId(); 2765 synchronized (this) { 2766 // This API can only be called by an active device admin, 2767 // so try to retrieve it to check that the caller is one. 2768 getActiveAdminForCallerLocked(who, 2769 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2770 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2771 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2772 if (ap.maximumFailedPasswordsForWipe != num) { 2773 ap.maximumFailedPasswordsForWipe = num; 2774 saveSettingsLocked(userHandle); 2775 } 2776 } 2777 } 2778 2779 @Override 2780 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2781 if (!mHasFeature) { 2782 return 0; 2783 } 2784 enforceCrossUserPermission(userHandle); 2785 synchronized (this) { 2786 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2787 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2788 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2789 } 2790 } 2791 2792 @Override 2793 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2794 if (!mHasFeature) { 2795 return UserHandle.USER_NULL; 2796 } 2797 enforceCrossUserPermission(userHandle); 2798 synchronized (this) { 2799 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2800 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2801 } 2802 } 2803 2804 /** 2805 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2806 * profiles that are visible from this user. If the policy for the primary and any other profile 2807 * are equal, it returns the admin for the primary profile. 2808 * Returns {@code null} if none of them have that policy set. 2809 */ 2810 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2811 int count = 0; 2812 ActiveAdmin strictestAdmin = null; 2813 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2814 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 2815 for (ActiveAdmin admin : policy.mAdminList) { 2816 if (admin.maximumFailedPasswordsForWipe == 2817 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2818 continue; // No max number of failed passwords policy set for this profile. 2819 } 2820 2821 // We always favor the primary profile if several profiles have the same value set. 2822 if (count == 0 || 2823 count > admin.maximumFailedPasswordsForWipe || 2824 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2825 count = admin.maximumFailedPasswordsForWipe; 2826 strictestAdmin = admin; 2827 } 2828 } 2829 } 2830 return strictestAdmin; 2831 } 2832 2833 @Override 2834 public boolean resetPassword(String passwordOrNull, int flags) { 2835 if (!mHasFeature) { 2836 return false; 2837 } 2838 final int userHandle = UserHandle.getCallingUserId(); 2839 enforceNotManagedProfile(userHandle, "reset the password"); 2840 2841 String password = passwordOrNull != null ? passwordOrNull : ""; 2842 2843 int quality; 2844 synchronized (this) { 2845 // This api can only be called by an active device admin, 2846 // so try to retrieve it to check that the caller is one. 2847 getActiveAdminForCallerLocked(null, 2848 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2849 quality = getPasswordQuality(null, userHandle); 2850 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2851 int realQuality = LockPatternUtils.computePasswordQuality(password); 2852 if (realQuality < quality 2853 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2854 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2855 + Integer.toHexString(realQuality) 2856 + " does not meet required quality 0x" 2857 + Integer.toHexString(quality)); 2858 return false; 2859 } 2860 quality = Math.max(realQuality, quality); 2861 } 2862 int length = getPasswordMinimumLength(null, userHandle); 2863 if (password.length() < length) { 2864 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2865 + " does not meet required length " + length); 2866 return false; 2867 } 2868 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2869 int letters = 0; 2870 int uppercase = 0; 2871 int lowercase = 0; 2872 int numbers = 0; 2873 int symbols = 0; 2874 int nonletter = 0; 2875 for (int i = 0; i < password.length(); i++) { 2876 char c = password.charAt(i); 2877 if (c >= 'A' && c <= 'Z') { 2878 letters++; 2879 uppercase++; 2880 } else if (c >= 'a' && c <= 'z') { 2881 letters++; 2882 lowercase++; 2883 } else if (c >= '0' && c <= '9') { 2884 numbers++; 2885 nonletter++; 2886 } else { 2887 symbols++; 2888 nonletter++; 2889 } 2890 } 2891 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2892 if(letters < neededLetters) { 2893 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2894 + " does not meet required number of letters " + neededLetters); 2895 return false; 2896 } 2897 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2898 if (numbers < neededNumbers) { 2899 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2900 + " does not meet required number of numerical digits " 2901 + neededNumbers); 2902 return false; 2903 } 2904 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2905 if (lowercase < neededLowerCase) { 2906 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2907 + " does not meet required number of lowercase letters " 2908 + neededLowerCase); 2909 return false; 2910 } 2911 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2912 if (uppercase < neededUpperCase) { 2913 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2914 + " does not meet required number of uppercase letters " 2915 + neededUpperCase); 2916 return false; 2917 } 2918 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2919 if (symbols < neededSymbols) { 2920 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2921 + " does not meet required number of special symbols " + neededSymbols); 2922 return false; 2923 } 2924 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2925 if (nonletter < neededNonLetter) { 2926 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2927 + " does not meet required number of non-letter characters " 2928 + neededNonLetter); 2929 return false; 2930 } 2931 } 2932 } 2933 2934 int callingUid = Binder.getCallingUid(); 2935 DevicePolicyData policy = getUserData(userHandle); 2936 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2937 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2938 return false; 2939 } 2940 2941 boolean callerIsDeviceOwnerAdmin = isCallerDeviceOwnerOrInitializer(callingUid); 2942 boolean doNotAskCredentialsOnBoot = 2943 (flags & DevicePolicyManager.RESET_PASSWORD_DO_NOT_ASK_CREDENTIALS_ON_BOOT) != 0; 2944 if (callerIsDeviceOwnerAdmin && doNotAskCredentialsOnBoot) { 2945 setDoNotAskCredentialsOnBoot(); 2946 } 2947 2948 // Don't do this with the lock held, because it is going to call 2949 // back in to the service. 2950 long ident = Binder.clearCallingIdentity(); 2951 try { 2952 LockPatternUtils utils = new LockPatternUtils(mContext); 2953 if (!TextUtils.isEmpty(password)) { 2954 utils.saveLockPassword(password, null, quality, userHandle); 2955 } else { 2956 utils.clearLock(userHandle); 2957 } 2958 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2959 if (requireEntry) { 2960 utils.requireCredentialEntry(UserHandle.USER_ALL); 2961 } 2962 synchronized (this) { 2963 int newOwner = requireEntry ? callingUid : -1; 2964 if (policy.mPasswordOwner != newOwner) { 2965 policy.mPasswordOwner = newOwner; 2966 saveSettingsLocked(userHandle); 2967 } 2968 } 2969 } finally { 2970 Binder.restoreCallingIdentity(ident); 2971 } 2972 2973 return true; 2974 } 2975 2976 private void setDoNotAskCredentialsOnBoot() { 2977 synchronized (this) { 2978 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2979 if (!policyData.doNotAskCredentialsOnBoot) { 2980 policyData.doNotAskCredentialsOnBoot = true; 2981 saveSettingsLocked(UserHandle.USER_OWNER); 2982 } 2983 } 2984 } 2985 2986 @Override 2987 public boolean getDoNotAskCredentialsOnBoot() { 2988 mContext.enforceCallingOrSelfPermission( 2989 android.Manifest.permission.QUERY_DO_NOT_ASK_CREDENTIALS_ON_BOOT, null); 2990 synchronized (this) { 2991 DevicePolicyData policyData = getUserData(UserHandle.USER_OWNER); 2992 return policyData.doNotAskCredentialsOnBoot; 2993 } 2994 } 2995 2996 @Override 2997 public void setMaximumTimeToLock(ComponentName who, long timeMs) { 2998 if (!mHasFeature) { 2999 return; 3000 } 3001 Preconditions.checkNotNull(who, "ComponentName is null"); 3002 final int userHandle = UserHandle.getCallingUserId(); 3003 synchronized (this) { 3004 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3005 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3006 if (ap.maximumTimeToUnlock != timeMs) { 3007 ap.maximumTimeToUnlock = timeMs; 3008 saveSettingsLocked(userHandle); 3009 updateMaximumTimeToLockLocked(getUserData(userHandle)); 3010 } 3011 } 3012 } 3013 3014 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 3015 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 3016 if (policy.mLastMaximumTimeToLock == timeMs) { 3017 return; 3018 } 3019 3020 long ident = Binder.clearCallingIdentity(); 3021 try { 3022 if (timeMs <= 0) { 3023 timeMs = Integer.MAX_VALUE; 3024 } else { 3025 // Make sure KEEP_SCREEN_ON is disabled, since that 3026 // would allow bypassing of the maximum time to lock. 3027 Settings.Global.putInt(mContext.getContentResolver(), 3028 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 3029 } 3030 3031 policy.mLastMaximumTimeToLock = timeMs; 3032 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 3033 } finally { 3034 Binder.restoreCallingIdentity(ident); 3035 } 3036 } 3037 3038 @Override 3039 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 3040 if (!mHasFeature) { 3041 return 0; 3042 } 3043 enforceCrossUserPermission(userHandle); 3044 synchronized (this) { 3045 long time = 0; 3046 3047 if (who != null) { 3048 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3049 return admin != null ? admin.maximumTimeToUnlock : time; 3050 } 3051 3052 // Return strictest policy for this user and profiles that are visible from this user. 3053 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3054 for (UserInfo userInfo : profiles) { 3055 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 3056 final int N = policy.mAdminList.size(); 3057 for (int i=0; i<N; i++) { 3058 ActiveAdmin admin = policy.mAdminList.get(i); 3059 if (time == 0) { 3060 time = admin.maximumTimeToUnlock; 3061 } else if (admin.maximumTimeToUnlock != 0 3062 && time > admin.maximumTimeToUnlock) { 3063 time = admin.maximumTimeToUnlock; 3064 } 3065 } 3066 } 3067 return time; 3068 } 3069 } 3070 3071 @Override 3072 public void lockNow() { 3073 if (!mHasFeature) { 3074 return; 3075 } 3076 synchronized (this) { 3077 // This API can only be called by an active device admin, 3078 // so try to retrieve it to check that the caller is one. 3079 getActiveAdminForCallerLocked(null, 3080 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 3081 lockNowUnchecked(); 3082 } 3083 } 3084 3085 private void lockNowUnchecked() { 3086 long ident = Binder.clearCallingIdentity(); 3087 try { 3088 // Power off the display 3089 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 3090 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 3091 // Ensure the device is locked 3092 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 3093 getWindowManager().lockNow(null); 3094 } catch (RemoteException e) { 3095 } finally { 3096 Binder.restoreCallingIdentity(ident); 3097 } 3098 } 3099 3100 private boolean isExtStorageEncrypted() { 3101 String state = SystemProperties.get("vold.decrypt"); 3102 return !"".equals(state); 3103 } 3104 3105 @Override 3106 public void enforceCanManageCaCerts(ComponentName who) { 3107 if (who == null) { 3108 if (!isCallerDelegatedCertInstaller()) { 3109 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 3110 } 3111 } else { 3112 synchronized (this) { 3113 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3114 } 3115 } 3116 } 3117 3118 private boolean isCallerDelegatedCertInstaller() { 3119 final int callingUid = Binder.getCallingUid(); 3120 final int userHandle = UserHandle.getUserId(callingUid); 3121 synchronized (this) { 3122 final DevicePolicyData policy = getUserData(userHandle); 3123 if (policy.mDelegatedCertInstallerPackage == null) { 3124 return false; 3125 } 3126 3127 try { 3128 int uid = mContext.getPackageManager().getPackageUid( 3129 policy.mDelegatedCertInstallerPackage, userHandle); 3130 return uid == callingUid; 3131 } catch (NameNotFoundException e) { 3132 return false; 3133 } 3134 } 3135 } 3136 3137 @Override 3138 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 3139 enforceCanManageCaCerts(admin); 3140 3141 byte[] pemCert; 3142 try { 3143 X509Certificate cert = parseCert(certBuffer); 3144 pemCert = Credentials.convertToPem(cert); 3145 } catch (CertificateException ce) { 3146 Log.e(LOG_TAG, "Problem converting cert", ce); 3147 return false; 3148 } catch (IOException ioe) { 3149 Log.e(LOG_TAG, "Problem reading cert", ioe); 3150 return false; 3151 } 3152 3153 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3154 final long id = Binder.clearCallingIdentity(); 3155 try { 3156 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3157 try { 3158 keyChainConnection.getService().installCaCertificate(pemCert); 3159 return true; 3160 } catch (RemoteException e) { 3161 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 3162 } finally { 3163 keyChainConnection.close(); 3164 } 3165 } catch (InterruptedException e1) { 3166 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 3167 Thread.currentThread().interrupt(); 3168 } finally { 3169 Binder.restoreCallingIdentity(id); 3170 } 3171 return false; 3172 } 3173 3174 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 3175 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 3176 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 3177 certBuffer)); 3178 } 3179 3180 @Override 3181 public void uninstallCaCerts(ComponentName admin, String[] aliases) { 3182 enforceCanManageCaCerts(admin); 3183 3184 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3185 final long id = Binder.clearCallingIdentity(); 3186 try { 3187 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3188 try { 3189 for (int i = 0 ; i < aliases.length; i++) { 3190 keyChainConnection.getService().deleteCaCertificate(aliases[i]); 3191 } 3192 } catch (RemoteException e) { 3193 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 3194 } finally { 3195 keyChainConnection.close(); 3196 } 3197 } catch (InterruptedException ie) { 3198 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 3199 Thread.currentThread().interrupt(); 3200 } finally { 3201 Binder.restoreCallingIdentity(id); 3202 } 3203 } 3204 3205 @Override 3206 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 3207 if (who == null) { 3208 if (!isCallerDelegatedCertInstaller()) { 3209 throw new SecurityException("who == null, but caller is not cert installer"); 3210 } 3211 } else { 3212 synchronized (this) { 3213 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3214 } 3215 } 3216 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3217 final long id = Binder.clearCallingIdentity(); 3218 try { 3219 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 3220 try { 3221 IKeyChainService keyChain = keyChainConnection.getService(); 3222 return keyChain.installKeyPair(privKey, cert, alias); 3223 } catch (RemoteException e) { 3224 Log.e(LOG_TAG, "Installing certificate", e); 3225 } finally { 3226 keyChainConnection.close(); 3227 } 3228 } catch (InterruptedException e) { 3229 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 3230 Thread.currentThread().interrupt(); 3231 } finally { 3232 Binder.restoreCallingIdentity(id); 3233 } 3234 return false; 3235 } 3236 3237 @Override 3238 public void choosePrivateKeyAlias(final int uid, final Uri uri, final String alias, 3239 final IBinder response) { 3240 // Caller UID needs to be trusted, so we restrict this method to SYSTEM_UID callers. 3241 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID) { 3242 return; 3243 } 3244 3245 final UserHandle caller = Binder.getCallingUserHandle(); 3246 // If there is a profile owner, redirect to that; otherwise query the device owner. 3247 ComponentName aliasChooser = getProfileOwner(caller.getIdentifier()); 3248 if (aliasChooser == null && caller.isOwner()) { 3249 ActiveAdmin deviceOwnerAdmin = getDeviceOwnerAdmin(); 3250 if (deviceOwnerAdmin != null) { 3251 aliasChooser = deviceOwnerAdmin.info.getComponent(); 3252 } 3253 } 3254 if (aliasChooser == null) { 3255 sendPrivateKeyAliasResponse(null, response); 3256 return; 3257 } 3258 3259 Intent intent = new Intent(DeviceAdminReceiver.ACTION_CHOOSE_PRIVATE_KEY_ALIAS); 3260 intent.setComponent(aliasChooser); 3261 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_SENDER_UID, uid); 3262 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_URI, uri); 3263 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_ALIAS, alias); 3264 intent.putExtra(DeviceAdminReceiver.EXTRA_CHOOSE_PRIVATE_KEY_RESPONSE, response); 3265 3266 final long id = Binder.clearCallingIdentity(); 3267 try { 3268 mContext.sendOrderedBroadcastAsUser(intent, caller, null, new BroadcastReceiver() { 3269 @Override 3270 public void onReceive(Context context, Intent intent) { 3271 final String chosenAlias = getResultData(); 3272 sendPrivateKeyAliasResponse(chosenAlias, response); 3273 } 3274 }, null, Activity.RESULT_OK, null, null); 3275 } finally { 3276 Binder.restoreCallingIdentity(id); 3277 } 3278 } 3279 3280 private void sendPrivateKeyAliasResponse(final String alias, final IBinder responseBinder) { 3281 final IKeyChainAliasCallback keyChainAliasResponse = 3282 IKeyChainAliasCallback.Stub.asInterface(responseBinder); 3283 new AsyncTask<Void, Void, Void>() { 3284 @Override 3285 protected Void doInBackground(Void... unused) { 3286 try { 3287 keyChainAliasResponse.alias(alias); 3288 } catch (Exception e) { 3289 // Catch everything (not just RemoteException): caller could throw a 3290 // RuntimeException back across processes. 3291 Log.e(LOG_TAG, "error while responding to callback", e); 3292 } 3293 return null; 3294 } 3295 }.execute(); 3296 } 3297 3298 @Override 3299 public void setCertInstallerPackage(ComponentName who, String installerPackage) 3300 throws SecurityException { 3301 int userHandle = UserHandle.getCallingUserId(); 3302 synchronized (this) { 3303 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3304 DevicePolicyData policy = getUserData(userHandle); 3305 policy.mDelegatedCertInstallerPackage = installerPackage; 3306 saveSettingsLocked(userHandle); 3307 } 3308 } 3309 3310 @Override 3311 public String getCertInstallerPackage(ComponentName who) throws SecurityException { 3312 int userHandle = UserHandle.getCallingUserId(); 3313 synchronized (this) { 3314 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3315 DevicePolicyData policy = getUserData(userHandle); 3316 return policy.mDelegatedCertInstallerPackage; 3317 } 3318 } 3319 3320 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 3321 if (wipeExtRequested) { 3322 StorageManager sm = (StorageManager) mContext.getSystemService( 3323 Context.STORAGE_SERVICE); 3324 sm.wipeAdoptableDisks(); 3325 } 3326 try { 3327 RecoverySystem.rebootWipeUserData(mContext, reason); 3328 } catch (IOException | SecurityException e) { 3329 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 3330 } 3331 } 3332 3333 @Override 3334 public void wipeData(int flags, final int userHandle) { 3335 if (!mHasFeature) { 3336 return; 3337 } 3338 enforceCrossUserPermission(userHandle); 3339 synchronized (this) { 3340 // This API can only be called by an active device admin, 3341 // so try to retrieve it to check that the caller is one. 3342 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 3343 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 3344 3345 final String source; 3346 final ComponentName cname = admin.info.getComponent(); 3347 if (cname != null) { 3348 source = cname.flattenToShortString(); 3349 } else { 3350 source = admin.info.getPackageName(); 3351 } 3352 3353 long ident = Binder.clearCallingIdentity(); 3354 try { 3355 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3356 boolean ownsInitialization = isDeviceInitializer(admin.info.getPackageName()) 3357 && !hasUserSetupCompleted(userHandle); 3358 if (userHandle != UserHandle.USER_OWNER 3359 || !(isDeviceOwner(admin.info.getPackageName()) 3360 || ownsInitialization)) { 3361 throw new SecurityException( 3362 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3363 } 3364 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3365 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3366 if (manager != null) { 3367 manager.wipe(); 3368 } 3369 } 3370 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3371 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3372 "DevicePolicyManager.wipeData() from " + source); 3373 } finally { 3374 Binder.restoreCallingIdentity(ident); 3375 } 3376 } 3377 } 3378 3379 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3380 if (userHandle == UserHandle.USER_OWNER) { 3381 wipeDataLocked(wipeExtRequested, reason); 3382 } else { 3383 mHandler.post(new Runnable() { 3384 @Override 3385 public void run() { 3386 try { 3387 IActivityManager am = ActivityManagerNative.getDefault(); 3388 if (am.getCurrentUser().id == userHandle) { 3389 am.switchUser(UserHandle.USER_OWNER); 3390 } 3391 3392 boolean isManagedProfile = isManagedProfile(userHandle); 3393 if (!mUserManager.removeUser(userHandle)) { 3394 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3395 } else if (isManagedProfile) { 3396 sendWipeProfileNotification(); 3397 } 3398 } catch (RemoteException re) { 3399 // Shouldn't happen 3400 } 3401 } 3402 }); 3403 } 3404 } 3405 3406 private void sendWipeProfileNotification() { 3407 String contentText = mContext.getString(R.string.work_profile_deleted_description_dpm_wipe); 3408 Notification notification = new Notification.Builder(mContext) 3409 .setSmallIcon(android.R.drawable.stat_sys_warning) 3410 .setContentTitle(mContext.getString(R.string.work_profile_deleted)) 3411 .setContentText(contentText) 3412 .setColor(mContext.getColor(R.color.system_notification_accent_color)) 3413 .setStyle(new Notification.BigTextStyle().bigText(contentText)) 3414 .build(); 3415 getNotificationManager().notify(PROFILE_WIPED_NOTIFICATION_ID, notification); 3416 } 3417 3418 private void clearWipeProfileNotification() { 3419 getNotificationManager().cancel(PROFILE_WIPED_NOTIFICATION_ID); 3420 } 3421 3422 @Override 3423 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3424 if (!mHasFeature) { 3425 return; 3426 } 3427 enforceCrossUserPermission(userHandle); 3428 mContext.enforceCallingOrSelfPermission( 3429 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3430 3431 synchronized (this) { 3432 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3433 if (admin == null) { 3434 try { 3435 result.sendResult(null); 3436 } catch (RemoteException e) { 3437 } 3438 return; 3439 } 3440 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3441 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3442 intent.setComponent(admin.info.getComponent()); 3443 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3444 null, new BroadcastReceiver() { 3445 @Override 3446 public void onReceive(Context context, Intent intent) { 3447 try { 3448 result.sendResult(getResultExtras(false)); 3449 } catch (RemoteException e) { 3450 } 3451 } 3452 }, null, Activity.RESULT_OK, null, null); 3453 } 3454 } 3455 3456 @Override 3457 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3458 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3459 if (!mHasFeature) { 3460 return; 3461 } 3462 enforceCrossUserPermission(userHandle); 3463 enforceNotManagedProfile(userHandle, "set the active password"); 3464 3465 mContext.enforceCallingOrSelfPermission( 3466 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3467 DevicePolicyData p = getUserData(userHandle); 3468 3469 validateQualityConstant(quality); 3470 3471 synchronized (this) { 3472 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3473 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3474 || p.mActivePasswordUpperCase != uppercase 3475 || p.mActivePasswordLowerCase != lowercase 3476 || p.mActivePasswordNumeric != numbers 3477 || p.mActivePasswordSymbols != symbols 3478 || p.mActivePasswordNonLetter != nonletter) { 3479 long ident = Binder.clearCallingIdentity(); 3480 try { 3481 p.mActivePasswordQuality = quality; 3482 p.mActivePasswordLength = length; 3483 p.mActivePasswordLetters = letters; 3484 p.mActivePasswordLowerCase = lowercase; 3485 p.mActivePasswordUpperCase = uppercase; 3486 p.mActivePasswordNumeric = numbers; 3487 p.mActivePasswordSymbols = symbols; 3488 p.mActivePasswordNonLetter = nonletter; 3489 p.mFailedPasswordAttempts = 0; 3490 saveSettingsLocked(userHandle); 3491 updatePasswordExpirationsLocked(userHandle); 3492 setExpirationAlarmCheckLocked(mContext, p); 3493 sendAdminCommandToSelfAndProfilesLocked( 3494 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3495 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3496 } finally { 3497 Binder.restoreCallingIdentity(ident); 3498 } 3499 } 3500 } 3501 } 3502 3503 /** 3504 * Called any time the device password is updated. Resets all password expiration clocks. 3505 */ 3506 private void updatePasswordExpirationsLocked(int userHandle) { 3507 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3508 for (UserInfo userInfo : profiles) { 3509 int profileId = userInfo.id; 3510 DevicePolicyData policy = getUserDataUnchecked(profileId); 3511 final int N = policy.mAdminList.size(); 3512 if (N > 0) { 3513 for (int i=0; i<N; i++) { 3514 ActiveAdmin admin = policy.mAdminList.get(i); 3515 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3516 long timeout = admin.passwordExpirationTimeout; 3517 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3518 admin.passwordExpirationDate = expiration; 3519 } 3520 } 3521 } 3522 saveSettingsLocked(profileId); 3523 } 3524 } 3525 3526 @Override 3527 public void reportFailedPasswordAttempt(int userHandle) { 3528 enforceCrossUserPermission(userHandle); 3529 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3530 mContext.enforceCallingOrSelfPermission( 3531 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3532 3533 long ident = Binder.clearCallingIdentity(); 3534 try { 3535 boolean wipeData = false; 3536 int identifier = 0; 3537 synchronized (this) { 3538 DevicePolicyData policy = getUserData(userHandle); 3539 policy.mFailedPasswordAttempts++; 3540 saveSettingsLocked(userHandle); 3541 if (mHasFeature) { 3542 ActiveAdmin strictestAdmin = 3543 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3544 int max = strictestAdmin != null 3545 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3546 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3547 // Wipe the user/profile associated with the policy that was violated. This 3548 // is not necessarily calling user: if the policy that fired was from a 3549 // managed profile rather than the main user profile, we wipe former only. 3550 wipeData = true; 3551 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3552 } 3553 sendAdminCommandToSelfAndProfilesLocked( 3554 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3555 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3556 } 3557 } 3558 if (wipeData) { 3559 // Call without holding lock. 3560 wipeDeviceOrUserLocked(false, identifier, 3561 "reportFailedPasswordAttempt()"); 3562 } 3563 } finally { 3564 Binder.restoreCallingIdentity(ident); 3565 } 3566 } 3567 3568 @Override 3569 public void reportSuccessfulPasswordAttempt(int userHandle) { 3570 enforceCrossUserPermission(userHandle); 3571 mContext.enforceCallingOrSelfPermission( 3572 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3573 3574 synchronized (this) { 3575 DevicePolicyData policy = getUserData(userHandle); 3576 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3577 long ident = Binder.clearCallingIdentity(); 3578 try { 3579 policy.mFailedPasswordAttempts = 0; 3580 policy.mPasswordOwner = -1; 3581 saveSettingsLocked(userHandle); 3582 if (mHasFeature) { 3583 sendAdminCommandToSelfAndProfilesLocked( 3584 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3585 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3586 } 3587 } finally { 3588 Binder.restoreCallingIdentity(ident); 3589 } 3590 } 3591 } 3592 } 3593 3594 @Override 3595 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3596 String exclusionList) { 3597 if (!mHasFeature) { 3598 return null; 3599 } 3600 synchronized(this) { 3601 Preconditions.checkNotNull(who, "ComponentName is null"); 3602 3603 // Only check if owner has set global proxy. We don't allow other users to set it. 3604 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3605 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3606 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3607 3608 // Scan through active admins and find if anyone has already 3609 // set the global proxy. 3610 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3611 for (ComponentName component : compSet) { 3612 ActiveAdmin ap = policy.mAdminMap.get(component); 3613 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3614 // Another admin already sets the global proxy 3615 // Return it to the caller. 3616 return component; 3617 } 3618 } 3619 3620 // If the user is not the owner, don't set the global proxy. Fail silently. 3621 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3622 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3623 + UserHandle.getCallingUserId() + " is not permitted."); 3624 return null; 3625 } 3626 if (proxySpec == null) { 3627 admin.specifiesGlobalProxy = false; 3628 admin.globalProxySpec = null; 3629 admin.globalProxyExclusionList = null; 3630 } else { 3631 3632 admin.specifiesGlobalProxy = true; 3633 admin.globalProxySpec = proxySpec; 3634 admin.globalProxyExclusionList = exclusionList; 3635 } 3636 3637 // Reset the global proxy accordingly 3638 // Do this using system permissions, as apps cannot write to secure settings 3639 long origId = Binder.clearCallingIdentity(); 3640 try { 3641 resetGlobalProxyLocked(policy); 3642 } finally { 3643 Binder.restoreCallingIdentity(origId); 3644 } 3645 return null; 3646 } 3647 } 3648 3649 @Override 3650 public ComponentName getGlobalProxyAdmin(int userHandle) { 3651 if (!mHasFeature) { 3652 return null; 3653 } 3654 enforceCrossUserPermission(userHandle); 3655 synchronized(this) { 3656 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3657 // Scan through active admins and find if anyone has already 3658 // set the global proxy. 3659 final int N = policy.mAdminList.size(); 3660 for (int i = 0; i < N; i++) { 3661 ActiveAdmin ap = policy.mAdminList.get(i); 3662 if (ap.specifiesGlobalProxy) { 3663 // Device admin sets the global proxy 3664 // Return it to the caller. 3665 return ap.info.getComponent(); 3666 } 3667 } 3668 } 3669 // No device admin sets the global proxy. 3670 return null; 3671 } 3672 3673 @Override 3674 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3675 synchronized (this) { 3676 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3677 } 3678 long token = Binder.clearCallingIdentity(); 3679 try { 3680 ConnectivityManager connectivityManager = (ConnectivityManager) 3681 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3682 connectivityManager.setGlobalProxy(proxyInfo); 3683 } finally { 3684 Binder.restoreCallingIdentity(token); 3685 } 3686 } 3687 3688 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3689 final int N = policy.mAdminList.size(); 3690 for (int i = 0; i < N; i++) { 3691 ActiveAdmin ap = policy.mAdminList.get(i); 3692 if (ap.specifiesGlobalProxy) { 3693 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3694 return; 3695 } 3696 } 3697 // No device admins defining global proxies - reset global proxy settings to none 3698 saveGlobalProxyLocked(null, null); 3699 } 3700 3701 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3702 if (exclusionList == null) { 3703 exclusionList = ""; 3704 } 3705 if (proxySpec == null) { 3706 proxySpec = ""; 3707 } 3708 // Remove white spaces 3709 proxySpec = proxySpec.trim(); 3710 String data[] = proxySpec.split(":"); 3711 int proxyPort = 8080; 3712 if (data.length > 1) { 3713 try { 3714 proxyPort = Integer.parseInt(data[1]); 3715 } catch (NumberFormatException e) {} 3716 } 3717 exclusionList = exclusionList.trim(); 3718 ContentResolver res = mContext.getContentResolver(); 3719 3720 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3721 if (!proxyProperties.isValid()) { 3722 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3723 return; 3724 } 3725 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3726 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3727 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3728 exclusionList); 3729 } 3730 3731 /** 3732 * Set the storage encryption request for a single admin. Returns the new total request 3733 * status (for all admins). 3734 */ 3735 @Override 3736 public int setStorageEncryption(ComponentName who, boolean encrypt) { 3737 if (!mHasFeature) { 3738 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3739 } 3740 Preconditions.checkNotNull(who, "ComponentName is null"); 3741 final int userHandle = UserHandle.getCallingUserId(); 3742 synchronized (this) { 3743 // Check for permissions 3744 // Only owner can set storage encryption 3745 if (userHandle != UserHandle.USER_OWNER 3746 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3747 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3748 + UserHandle.getCallingUserId() + " is not permitted."); 3749 return 0; 3750 } 3751 3752 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3753 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3754 3755 // Quick exit: If the filesystem does not support encryption, we can exit early. 3756 if (!isEncryptionSupported()) { 3757 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3758 } 3759 3760 // (1) Record the value for the admin so it's sticky 3761 if (ap.encryptionRequested != encrypt) { 3762 ap.encryptionRequested = encrypt; 3763 saveSettingsLocked(userHandle); 3764 } 3765 3766 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3767 // (2) Compute "max" for all admins 3768 boolean newRequested = false; 3769 final int N = policy.mAdminList.size(); 3770 for (int i = 0; i < N; i++) { 3771 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3772 } 3773 3774 // Notify OS of new request 3775 setEncryptionRequested(newRequested); 3776 3777 // Return the new global request status 3778 return newRequested 3779 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3780 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3781 } 3782 } 3783 3784 /** 3785 * Get the current storage encryption request status for a given admin, or aggregate of all 3786 * active admins. 3787 */ 3788 @Override 3789 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3790 if (!mHasFeature) { 3791 return false; 3792 } 3793 enforceCrossUserPermission(userHandle); 3794 synchronized (this) { 3795 // Check for permissions if a particular caller is specified 3796 if (who != null) { 3797 // When checking for a single caller, status is based on caller's request 3798 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3799 return ap != null ? ap.encryptionRequested : false; 3800 } 3801 3802 // If no particular caller is specified, return the aggregate set of requests. 3803 // This is short circuited by returning true on the first hit. 3804 DevicePolicyData policy = getUserData(userHandle); 3805 final int N = policy.mAdminList.size(); 3806 for (int i = 0; i < N; i++) { 3807 if (policy.mAdminList.get(i).encryptionRequested) { 3808 return true; 3809 } 3810 } 3811 return false; 3812 } 3813 } 3814 3815 /** 3816 * Get the current encryption status of the device. 3817 */ 3818 @Override 3819 public int getStorageEncryptionStatus(int userHandle) { 3820 if (!mHasFeature) { 3821 // Ok to return current status. 3822 } 3823 enforceCrossUserPermission(userHandle); 3824 return getEncryptionStatus(); 3825 } 3826 3827 /** 3828 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3829 */ 3830 private boolean isEncryptionSupported() { 3831 // Note, this can be implemented as 3832 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3833 // But is provided as a separate internal method if there's a faster way to do a 3834 // simple check for supported-or-not. 3835 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3836 } 3837 3838 /** 3839 * Hook to low-levels: Reporting the current status of encryption. 3840 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED}, 3841 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE}, 3842 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY}, or 3843 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3844 */ 3845 private int getEncryptionStatus() { 3846 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3847 if ("encrypted".equalsIgnoreCase(status)) { 3848 final long token = Binder.clearCallingIdentity(); 3849 try { 3850 return LockPatternUtils.isDeviceEncrypted() 3851 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3852 : DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE_DEFAULT_KEY; 3853 } finally { 3854 Binder.restoreCallingIdentity(token); 3855 } 3856 } else if ("unencrypted".equalsIgnoreCase(status)) { 3857 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3858 } else { 3859 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3860 } 3861 } 3862 3863 /** 3864 * Hook to low-levels: If needed, record the new admin setting for encryption. 3865 */ 3866 private void setEncryptionRequested(boolean encrypt) { 3867 } 3868 3869 3870 /** 3871 * Set whether the screen capture is disabled for the user managed by the specified admin. 3872 */ 3873 @Override 3874 public void setScreenCaptureDisabled(ComponentName who, boolean disabled) { 3875 if (!mHasFeature) { 3876 return; 3877 } 3878 Preconditions.checkNotNull(who, "ComponentName is null"); 3879 final int userHandle = UserHandle.getCallingUserId(); 3880 synchronized (this) { 3881 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3882 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3883 if (ap.disableScreenCapture != disabled) { 3884 ap.disableScreenCapture = disabled; 3885 saveSettingsLocked(userHandle); 3886 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3887 } 3888 } 3889 } 3890 3891 /** 3892 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3893 * active admin (if given admin is null). 3894 */ 3895 @Override 3896 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3897 if (!mHasFeature) { 3898 return false; 3899 } 3900 synchronized (this) { 3901 if (who != null) { 3902 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3903 return (admin != null) ? admin.disableScreenCapture : false; 3904 } 3905 3906 DevicePolicyData policy = getUserData(userHandle); 3907 final int N = policy.mAdminList.size(); 3908 for (int i = 0; i < N; i++) { 3909 ActiveAdmin admin = policy.mAdminList.get(i); 3910 if (admin.disableScreenCapture) { 3911 return true; 3912 } 3913 } 3914 return false; 3915 } 3916 } 3917 3918 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3919 long ident = Binder.clearCallingIdentity(); 3920 try { 3921 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3922 } catch (RemoteException e) { 3923 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3924 } finally { 3925 Binder.restoreCallingIdentity(ident); 3926 } 3927 } 3928 3929 /** 3930 * Set whether auto time is required by the specified admin (must be device owner). 3931 */ 3932 @Override 3933 public void setAutoTimeRequired(ComponentName who, boolean required) { 3934 if (!mHasFeature) { 3935 return; 3936 } 3937 Preconditions.checkNotNull(who, "ComponentName is null"); 3938 final int userHandle = UserHandle.getCallingUserId(); 3939 synchronized (this) { 3940 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3941 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3942 if (admin.requireAutoTime != required) { 3943 admin.requireAutoTime = required; 3944 saveSettingsLocked(userHandle); 3945 } 3946 } 3947 3948 // Turn AUTO_TIME on in settings if it is required 3949 if (required) { 3950 long ident = Binder.clearCallingIdentity(); 3951 try { 3952 Settings.Global.putInt(mContext.getContentResolver(), 3953 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3954 } finally { 3955 Binder.restoreCallingIdentity(ident); 3956 } 3957 } 3958 } 3959 3960 /** 3961 * Returns whether or not auto time is required by the device owner. 3962 */ 3963 @Override 3964 public boolean getAutoTimeRequired() { 3965 if (!mHasFeature) { 3966 return false; 3967 } 3968 synchronized (this) { 3969 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3970 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3971 } 3972 } 3973 3974 /** 3975 * The system property used to share the state of the camera. The native camera service 3976 * is expected to read this property and act accordingly. The userId should be appended 3977 * to this key. 3978 */ 3979 public static final String SYSTEM_PROP_DISABLE_CAMERA_PREFIX = "sys.secpolicy.camera.off_"; 3980 3981 /** 3982 * Disables all device cameras according to the specified admin. 3983 */ 3984 @Override 3985 public void setCameraDisabled(ComponentName who, boolean disabled) { 3986 if (!mHasFeature) { 3987 return; 3988 } 3989 Preconditions.checkNotNull(who, "ComponentName is null"); 3990 final int userHandle = UserHandle.getCallingUserId(); 3991 synchronized (this) { 3992 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3993 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3994 if (ap.disableCamera != disabled) { 3995 ap.disableCamera = disabled; 3996 saveSettingsLocked(userHandle); 3997 } 3998 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3999 } 4000 } 4001 4002 /** 4003 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 4004 * active admins. 4005 */ 4006 @Override 4007 public boolean getCameraDisabled(ComponentName who, int userHandle) { 4008 if (!mHasFeature) { 4009 return false; 4010 } 4011 synchronized (this) { 4012 if (who != null) { 4013 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4014 return (admin != null) ? admin.disableCamera : false; 4015 } 4016 4017 DevicePolicyData policy = getUserData(userHandle); 4018 // Determine whether or not the device camera is disabled for any active admins. 4019 final int N = policy.mAdminList.size(); 4020 for (int i = 0; i < N; i++) { 4021 ActiveAdmin admin = policy.mAdminList.get(i); 4022 if (admin.disableCamera) { 4023 return true; 4024 } 4025 } 4026 return false; 4027 } 4028 } 4029 4030 /** 4031 * Selectively disable keyguard features. 4032 */ 4033 @Override 4034 public void setKeyguardDisabledFeatures(ComponentName who, int which) { 4035 if (!mHasFeature) { 4036 return; 4037 } 4038 Preconditions.checkNotNull(who, "ComponentName is null"); 4039 final int userHandle = UserHandle.getCallingUserId(); 4040 if (isManagedProfile(userHandle)) { 4041 which = which & PROFILE_KEYGUARD_FEATURES; 4042 } 4043 synchronized (this) { 4044 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4045 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4046 if (ap.disabledKeyguardFeatures != which) { 4047 ap.disabledKeyguardFeatures = which; 4048 saveSettingsLocked(userHandle); 4049 } 4050 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4051 } 4052 } 4053 4054 /** 4055 * Gets the disabled state for features in keyguard for the given admin, 4056 * or the aggregate of all active admins if who is null. 4057 */ 4058 @Override 4059 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 4060 if (!mHasFeature) { 4061 return 0; 4062 } 4063 enforceCrossUserPermission(userHandle); 4064 long ident = Binder.clearCallingIdentity(); 4065 try { 4066 synchronized (this) { 4067 if (who != null) { 4068 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 4069 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 4070 } 4071 4072 UserInfo user = mUserManager.getUserInfo(userHandle); 4073 final List<UserInfo> profiles; 4074 if (user.isManagedProfile()) { 4075 // If we are being asked about a managed profile just return 4076 // keyguard features disabled by admins in the profile. 4077 profiles = new ArrayList<UserInfo>(1); 4078 profiles.add(user); 4079 } else { 4080 // Otherwise return those set by admins in the user 4081 // and its profiles. 4082 profiles = mUserManager.getProfiles(userHandle); 4083 } 4084 4085 // Determine which keyguard features are disabled by any active admin. 4086 int which = 0; 4087 for (UserInfo userInfo : profiles) { 4088 DevicePolicyData policy = getUserData(userInfo.id); 4089 final int N = policy.mAdminList.size(); 4090 for (int i = 0; i < N; i++) { 4091 ActiveAdmin admin = policy.mAdminList.get(i); 4092 if (userInfo.id == userHandle || !userInfo.isManagedProfile()) { 4093 // If we are being asked explictly about this user 4094 // return all disabled features even if its a managed profile. 4095 which |= admin.disabledKeyguardFeatures; 4096 } else { 4097 // Otherwise a managed profile is only allowed to disable 4098 // some features on the parent user. 4099 which |= (admin.disabledKeyguardFeatures 4100 & PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER); 4101 } 4102 } 4103 } 4104 return which; 4105 } 4106 } finally { 4107 Binder.restoreCallingIdentity(ident); 4108 } 4109 } 4110 4111 @Override 4112 public boolean setDeviceOwner(String packageName, String ownerName) { 4113 if (!mHasFeature) { 4114 return false; 4115 } 4116 if (packageName == null 4117 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 4118 throw new IllegalArgumentException("Invalid package name " + packageName 4119 + " for device owner"); 4120 } 4121 synchronized (this) { 4122 enforceCanSetDeviceOwner(); 4123 4124 // Shutting down backup manager service permanently. 4125 long ident = Binder.clearCallingIdentity(); 4126 try { 4127 IBackupManager ibm = IBackupManager.Stub.asInterface( 4128 ServiceManager.getService(Context.BACKUP_SERVICE)); 4129 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 4130 } catch (RemoteException e) { 4131 throw new IllegalStateException("Failed deactivating backup service.", e); 4132 } finally { 4133 Binder.restoreCallingIdentity(ident); 4134 } 4135 4136 if (mDeviceOwner == null) { 4137 // Device owner is not set and does not exist, set it. 4138 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 4139 } else { 4140 // Device owner state already exists, update it. 4141 mDeviceOwner.setDeviceOwner(packageName, ownerName); 4142 } 4143 mDeviceOwner.writeOwnerFile(); 4144 updateDeviceOwnerLocked(); 4145 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_OWNER_CHANGED); 4146 4147 ident = Binder.clearCallingIdentity(); 4148 try { 4149 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4150 } finally { 4151 Binder.restoreCallingIdentity(ident); 4152 } 4153 return true; 4154 } 4155 } 4156 4157 @Override 4158 public boolean isDeviceOwner(String packageName) { 4159 if (!mHasFeature) { 4160 return false; 4161 } 4162 synchronized (this) { 4163 return mDeviceOwner != null 4164 && mDeviceOwner.hasDeviceOwner() 4165 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 4166 } 4167 } 4168 4169 @Override 4170 public String getDeviceOwner() { 4171 if (!mHasFeature) { 4172 return null; 4173 } 4174 synchronized (this) { 4175 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 4176 return mDeviceOwner.getDeviceOwnerPackageName(); 4177 } 4178 } 4179 return null; 4180 } 4181 4182 @Override 4183 public String getDeviceOwnerName() { 4184 if (!mHasFeature) { 4185 return null; 4186 } 4187 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4188 synchronized (this) { 4189 if (mDeviceOwner == null || !mDeviceOwner.hasDeviceOwner()) { 4190 return null; 4191 } 4192 String deviceOwnerPackage = mDeviceOwner.getDeviceOwnerPackageName(); 4193 return getApplicationLabel(deviceOwnerPackage, UserHandle.USER_OWNER); 4194 } 4195 } 4196 4197 // Returns the active device owner or null if there is no device owner. 4198 private ActiveAdmin getDeviceOwnerAdmin() { 4199 String deviceOwnerPackageName = getDeviceOwner(); 4200 if (deviceOwnerPackageName == null) { 4201 return null; 4202 } 4203 4204 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 4205 final int n = policy.mAdminList.size(); 4206 for (int i = 0; i < n; i++) { 4207 ActiveAdmin admin = policy.mAdminList.get(i); 4208 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 4209 return admin; 4210 } 4211 } 4212 return null; 4213 } 4214 4215 @Override 4216 public void clearDeviceOwner(String packageName) { 4217 Preconditions.checkNotNull(packageName, "packageName is null"); 4218 try { 4219 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 4220 if (uid != Binder.getCallingUid()) { 4221 throw new SecurityException("Invalid packageName"); 4222 } 4223 } catch (NameNotFoundException e) { 4224 throw new SecurityException(e); 4225 } 4226 if (!isDeviceOwner(packageName)) { 4227 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 4228 } 4229 synchronized (this) { 4230 clearUserPoliciesLocked(new UserHandle(UserHandle.USER_OWNER)); 4231 if (mDeviceOwner != null) { 4232 mDeviceOwner.clearDeviceOwner(); 4233 mDeviceOwner.writeOwnerFile(); 4234 updateDeviceOwnerLocked(); 4235 } 4236 } 4237 } 4238 4239 @Override 4240 public boolean setDeviceInitializer(ComponentName who, ComponentName initializer) { 4241 if (!mHasFeature) { 4242 return false; 4243 } 4244 if (initializer == null || !DeviceOwner.isInstalled( 4245 initializer.getPackageName(), mContext.getPackageManager())) { 4246 throw new IllegalArgumentException("Invalid component name " + initializer 4247 + " for device initializer"); 4248 } 4249 boolean isInitializerSystemApp; 4250 try { 4251 isInitializerSystemApp = isSystemApp(AppGlobals.getPackageManager(), 4252 initializer.getPackageName(), Binder.getCallingUserHandle().getIdentifier()); 4253 } catch (RemoteException | IllegalArgumentException e) { 4254 isInitializerSystemApp = false; 4255 Slog.e(LOG_TAG, "Fail to check if device initialzer is system app.", e); 4256 } 4257 if (!isInitializerSystemApp) { 4258 throw new IllegalArgumentException("Only system app can be set as device initializer."); 4259 } 4260 synchronized (this) { 4261 enforceCanSetDeviceInitializer(who); 4262 4263 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4264 throw new IllegalStateException( 4265 "Trying to set device initializer but device initializer is already set."); 4266 } 4267 4268 if (mDeviceOwner == null) { 4269 // Device owner state does not exist, create it. 4270 mDeviceOwner = DeviceOwner.createWithDeviceInitializer(initializer); 4271 } else { 4272 // Device owner already exists, update it. 4273 mDeviceOwner.setDeviceInitializer(initializer); 4274 } 4275 4276 addDeviceInitializerToLockTaskPackagesLocked(UserHandle.USER_OWNER); 4277 mDeviceOwner.writeOwnerFile(); 4278 return true; 4279 } 4280 } 4281 4282 private void enforceCanSetDeviceInitializer(ComponentName who) { 4283 if (who == null) { 4284 mContext.enforceCallingOrSelfPermission( 4285 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 4286 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4287 throw new IllegalStateException( 4288 "Trying to set device initializer but device is already provisioned."); 4289 } 4290 } else { 4291 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4292 } 4293 } 4294 4295 @Override 4296 public boolean isDeviceInitializer(String packageName) { 4297 if (!mHasFeature) { 4298 return false; 4299 } 4300 synchronized (this) { 4301 return mDeviceOwner != null 4302 && mDeviceOwner.hasDeviceInitializer() 4303 && mDeviceOwner.getDeviceInitializerPackageName().equals(packageName); 4304 } 4305 } 4306 4307 @Override 4308 public String getDeviceInitializer() { 4309 if (!mHasFeature) { 4310 return null; 4311 } 4312 synchronized (this) { 4313 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4314 return mDeviceOwner.getDeviceInitializerPackageName(); 4315 } 4316 } 4317 return null; 4318 } 4319 4320 @Override 4321 public ComponentName getDeviceInitializerComponent() { 4322 if (!mHasFeature) { 4323 return null; 4324 } 4325 synchronized (this) { 4326 if (mDeviceOwner != null && mDeviceOwner.hasDeviceInitializer()) { 4327 return mDeviceOwner.getDeviceInitializerComponent(); 4328 } 4329 } 4330 return null; 4331 } 4332 4333 @Override 4334 public void clearDeviceInitializer(ComponentName who) { 4335 if (!mHasFeature) { 4336 return; 4337 } 4338 Preconditions.checkNotNull(who, "ComponentName is null"); 4339 4340 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, UserHandle.getCallingUserId()); 4341 4342 if (admin.getUid() != Binder.getCallingUid()) { 4343 throw new SecurityException("Admin " + who + " is not owned by uid " 4344 + Binder.getCallingUid()); 4345 } 4346 4347 if (!isDeviceInitializer(admin.info.getPackageName()) 4348 && !isDeviceOwner(admin.info.getPackageName())) { 4349 throw new SecurityException( 4350 "clearDeviceInitializer can only be called by the device initializer/owner"); 4351 } 4352 synchronized (this) { 4353 long ident = Binder.clearCallingIdentity(); 4354 try { 4355 if (mDeviceOwner != null) { 4356 mDeviceOwner.clearDeviceInitializer(); 4357 mDeviceOwner.writeOwnerFile(); 4358 } 4359 } finally { 4360 Binder.restoreCallingIdentity(ident); 4361 } 4362 } 4363 } 4364 4365 @Override 4366 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 4367 if (!mHasFeature) { 4368 return false; 4369 } 4370 if (who == null 4371 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 4372 throw new IllegalArgumentException("Component " + who 4373 + " not installed for userId:" + userHandle); 4374 } 4375 synchronized (this) { 4376 enforceCanSetProfileOwner(userHandle); 4377 if (mDeviceOwner == null) { 4378 // Device owner state does not exist, create it. 4379 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 4380 userHandle); 4381 } else { 4382 // Device owner state already exists, update it. 4383 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 4384 } 4385 mDeviceOwner.writeOwnerFile(); 4386 return true; 4387 } 4388 } 4389 4390 @Override 4391 public void clearProfileOwner(ComponentName who) { 4392 if (!mHasFeature) { 4393 return; 4394 } 4395 UserHandle callingUser = Binder.getCallingUserHandle(); 4396 // Check if this is the profile owner who is calling 4397 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4398 synchronized (this) { 4399 clearUserPoliciesLocked(callingUser); 4400 if (mDeviceOwner != null) { 4401 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 4402 mDeviceOwner.writeOwnerFile(); 4403 } 4404 } 4405 } 4406 4407 private void clearUserPoliciesLocked(UserHandle userHandle) { 4408 int userId = userHandle.getIdentifier(); 4409 // Reset some of the user-specific policies 4410 DevicePolicyData policy = getUserData(userId); 4411 policy.mPermissionPolicy = DevicePolicyManager.PERMISSION_POLICY_PROMPT; 4412 policy.mDelegatedCertInstallerPackage = null; 4413 policy.mStatusBarDisabled = false; 4414 saveSettingsLocked(userId); 4415 4416 final long ident = Binder.clearCallingIdentity(); 4417 try { 4418 clearUserRestrictions(userHandle); 4419 AppGlobals.getPackageManager().updatePermissionFlagsForAllApps( 4420 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 4421 0 /* flagValues */, userHandle.getIdentifier()); 4422 } catch (RemoteException re) { 4423 } finally { 4424 Binder.restoreCallingIdentity(ident); 4425 } 4426 } 4427 4428 4429 private void clearUserRestrictions(UserHandle userHandle) { 4430 Bundle userRestrictions = mUserManager.getUserRestrictions(); 4431 mUserManager.setUserRestrictions(new Bundle(), userHandle); 4432 IAudioService iAudioService = IAudioService.Stub.asInterface( 4433 ServiceManager.getService(Context.AUDIO_SERVICE)); 4434 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 4435 try { 4436 iAudioService.setMasterMute(true, 0, mContext.getPackageName(), 4437 userHandle.getIdentifier()); 4438 } catch (RemoteException e) { 4439 // Not much we can do here. 4440 } 4441 } 4442 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 4443 try { 4444 iAudioService.setMicrophoneMute(true, mContext.getPackageName(), 4445 userHandle.getIdentifier()); 4446 } catch (RemoteException e) { 4447 // Not much we can do here. 4448 } 4449 } 4450 } 4451 4452 @Override 4453 public boolean hasUserSetupCompleted() { 4454 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 4455 } 4456 4457 private boolean hasUserSetupCompleted(int userHandle) { 4458 if (!mHasFeature) { 4459 return true; 4460 } 4461 DevicePolicyData policy = getUserData(userHandle); 4462 // If policy is null, return true, else check if the setup has completed. 4463 return policy == null || policy.mUserSetupComplete; 4464 } 4465 4466 @Override 4467 public boolean setUserEnabled(ComponentName who) { 4468 if (!mHasFeature) { 4469 return false; 4470 } 4471 synchronized (this) { 4472 if (who == null) { 4473 throw new NullPointerException("ComponentName is null"); 4474 } 4475 int userId = UserHandle.getCallingUserId(); 4476 4477 ActiveAdmin activeAdmin = 4478 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4479 if (!isDeviceInitializer(activeAdmin.info.getPackageName())) { 4480 throw new SecurityException( 4481 "This method can only be called by device initializers"); 4482 } 4483 4484 long id = Binder.clearCallingIdentity(); 4485 try { 4486 if (!isDeviceOwner(activeAdmin.info.getPackageName())) { 4487 IPackageManager ipm = AppGlobals.getPackageManager(); 4488 ipm.setComponentEnabledSetting(who, 4489 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 4490 PackageManager.DONT_KILL_APP, userId); 4491 4492 removeActiveAdmin(who, userId); 4493 } 4494 4495 if (userId == UserHandle.USER_OWNER) { 4496 Settings.Global.putInt(mContext.getContentResolver(), 4497 Settings.Global.DEVICE_PROVISIONED, 1); 4498 } 4499 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4500 Settings.Secure.USER_SETUP_COMPLETE, 1, userId); 4501 } catch (RemoteException e) { 4502 Log.i(LOG_TAG, "Can't talk to package manager", e); 4503 return false; 4504 } finally { 4505 restoreCallingIdentity(id); 4506 } 4507 return true; 4508 } 4509 } 4510 4511 @Override 4512 public void setProfileEnabled(ComponentName who) { 4513 if (!mHasFeature) { 4514 return; 4515 } 4516 Preconditions.checkNotNull(who, "ComponentName is null"); 4517 final int userHandle = UserHandle.getCallingUserId(); 4518 synchronized (this) { 4519 // Check if this is the profile owner who is calling 4520 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4521 int userId = UserHandle.getCallingUserId(); 4522 4523 long id = Binder.clearCallingIdentity(); 4524 try { 4525 mUserManager.setUserEnabled(userId); 4526 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 4527 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 4528 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 4529 Intent.FLAG_RECEIVER_FOREGROUND); 4530 // TODO This should send to parent of profile (which is always owner at the moment). 4531 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 4532 } finally { 4533 restoreCallingIdentity(id); 4534 } 4535 } 4536 } 4537 4538 @Override 4539 public void setProfileName(ComponentName who, String profileName) { 4540 Preconditions.checkNotNull(who, "ComponentName is null"); 4541 int userId = UserHandle.getCallingUserId(); 4542 // Check if this is the profile owner (includes device owner). 4543 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4544 4545 long id = Binder.clearCallingIdentity(); 4546 try { 4547 mUserManager.setUserName(userId, profileName); 4548 } finally { 4549 restoreCallingIdentity(id); 4550 } 4551 } 4552 4553 @Override 4554 public ComponentName getProfileOwner(int userHandle) { 4555 if (!mHasFeature) { 4556 return null; 4557 } 4558 4559 synchronized (this) { 4560 if (mDeviceOwner != null) { 4561 return mDeviceOwner.getProfileOwnerComponent(userHandle); 4562 } 4563 } 4564 return null; 4565 } 4566 4567 // Returns the active profile owner for this user or null if the current user has no 4568 // profile owner. 4569 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 4570 ComponentName profileOwner = 4571 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 4572 if (profileOwner == null) { 4573 return null; 4574 } 4575 DevicePolicyData policy = getUserData(userHandle); 4576 final int n = policy.mAdminList.size(); 4577 for (int i = 0; i < n; i++) { 4578 ActiveAdmin admin = policy.mAdminList.get(i); 4579 if (profileOwner.equals(admin.info.getComponent())) { 4580 return admin; 4581 } 4582 } 4583 return null; 4584 } 4585 4586 @Override 4587 public String getProfileOwnerName(int userHandle) { 4588 if (!mHasFeature) { 4589 return null; 4590 } 4591 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4592 ComponentName profileOwner = getProfileOwner(userHandle); 4593 if (profileOwner == null) { 4594 return null; 4595 } 4596 return getApplicationLabel(profileOwner.getPackageName(), userHandle); 4597 } 4598 4599 /** 4600 * Canonical name for a given package. 4601 */ 4602 private String getApplicationLabel(String packageName, int userHandle) { 4603 long token = Binder.clearCallingIdentity(); 4604 try { 4605 final Context userContext; 4606 try { 4607 UserHandle handle = new UserHandle(userHandle); 4608 userContext = mContext.createPackageContextAsUser(packageName, 0, handle); 4609 } catch (PackageManager.NameNotFoundException nnfe) { 4610 Log.w(LOG_TAG, packageName + " is not installed for user " + userHandle, nnfe); 4611 return null; 4612 } 4613 ApplicationInfo appInfo = userContext.getApplicationInfo(); 4614 CharSequence result = null; 4615 if (appInfo != null) { 4616 PackageManager pm = userContext.getPackageManager(); 4617 result = pm.getApplicationLabel(appInfo); 4618 } 4619 return result != null ? result.toString() : null; 4620 } finally { 4621 Binder.restoreCallingIdentity(token); 4622 } 4623 } 4624 4625 /** 4626 * The profile owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4627 * permission. 4628 * The profile owner can only be set before the user setup phase has completed, 4629 * except for: 4630 * - SYSTEM_UID 4631 * - adb if there are not accounts. 4632 */ 4633 private void enforceCanSetProfileOwner(int userHandle) { 4634 UserInfo info = mUserManager.getUserInfo(userHandle); 4635 if (info == null) { 4636 // User doesn't exist. 4637 throw new IllegalArgumentException( 4638 "Attempted to set profile owner for invalid userId: " + userHandle); 4639 } 4640 if (info.isGuest()) { 4641 throw new IllegalStateException("Cannot set a profile owner on a guest"); 4642 } 4643 if (getProfileOwner(userHandle) != null) { 4644 throw new IllegalStateException("Trying to set the profile owner, but profile owner " 4645 + "is already set."); 4646 } 4647 int callingUid = Binder.getCallingUid(); 4648 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4649 if (hasUserSetupCompleted(userHandle) && 4650 AccountManager.get(mContext).getAccountsAsUser(userHandle).length > 0) { 4651 throw new IllegalStateException("Not allowed to set the profile owner because " 4652 + "there are already some accounts on the profile"); 4653 } 4654 return; 4655 } 4656 mContext.enforceCallingOrSelfPermission( 4657 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4658 if (hasUserSetupCompleted(userHandle) 4659 && UserHandle.getAppId(callingUid) != Process.SYSTEM_UID) { 4660 throw new IllegalStateException("Cannot set the profile owner on a user which is " 4661 + "already set-up"); 4662 } 4663 } 4664 4665 /** 4666 * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS 4667 * permission. 4668 * The device owner can only be set before the setup phase of the primary user has completed, 4669 * except for adb if no accounts or additional users are present on the device. 4670 */ 4671 private void enforceCanSetDeviceOwner() { 4672 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 4673 throw new IllegalStateException("Trying to set the device owner, but device owner " 4674 + "is already set."); 4675 } 4676 int callingUid = Binder.getCallingUid(); 4677 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { 4678 if (!hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4679 return; 4680 } 4681 if (mUserManager.getUserCount() > 1) { 4682 throw new IllegalStateException("Not allowed to set the device owner because there " 4683 + "are already several users on the device"); 4684 } 4685 if (AccountManager.get(mContext).getAccounts().length > 0) { 4686 throw new IllegalStateException("Not allowed to set the device owner because there " 4687 + "are already some accounts on the device"); 4688 } 4689 return; 4690 } 4691 mContext.enforceCallingOrSelfPermission( 4692 android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null); 4693 if (hasUserSetupCompleted(UserHandle.USER_OWNER)) { 4694 throw new IllegalStateException("Cannot set the device owner if the device is " 4695 + "already set-up"); 4696 } 4697 } 4698 4699 private void enforceCrossUserPermission(int userHandle) { 4700 if (userHandle < 0) { 4701 throw new IllegalArgumentException("Invalid userId " + userHandle); 4702 } 4703 final int callingUid = Binder.getCallingUid(); 4704 if (userHandle == UserHandle.getUserId(callingUid)) return; 4705 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4706 mContext.enforceCallingOrSelfPermission( 4707 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4708 + " INTERACT_ACROSS_USERS_FULL permission"); 4709 } 4710 } 4711 4712 private void enforceSystemProcess(String message) { 4713 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4714 throw new SecurityException(message); 4715 } 4716 } 4717 4718 private void enforceNotManagedProfile(int userHandle, String message) { 4719 if(isManagedProfile(userHandle)) { 4720 throw new SecurityException("You can not " + message + " for a managed profile. "); 4721 } 4722 } 4723 4724 private UserInfo getProfileParent(int userHandle) { 4725 long ident = Binder.clearCallingIdentity(); 4726 try { 4727 return mUserManager.getProfileParent(userHandle); 4728 } finally { 4729 Binder.restoreCallingIdentity(ident); 4730 } 4731 } 4732 4733 private boolean isManagedProfile(int userHandle) { 4734 long ident = Binder.clearCallingIdentity(); 4735 try { 4736 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4737 } finally { 4738 Binder.restoreCallingIdentity(ident); 4739 } 4740 } 4741 4742 private void enableIfNecessary(String packageName, int userId) { 4743 try { 4744 IPackageManager ipm = AppGlobals.getPackageManager(); 4745 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4746 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4747 userId); 4748 if (ai.enabledSetting 4749 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4750 ipm.setApplicationEnabledSetting(packageName, 4751 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4752 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4753 } 4754 } catch (RemoteException e) { 4755 } 4756 } 4757 4758 @Override 4759 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4760 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4761 != PackageManager.PERMISSION_GRANTED) { 4762 4763 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4764 + Binder.getCallingPid() 4765 + ", uid=" + Binder.getCallingUid()); 4766 return; 4767 } 4768 4769 final Printer p = new PrintWriterPrinter(pw); 4770 4771 synchronized (this) { 4772 p.println("Current Device Policy Manager state:"); 4773 if (mDeviceOwner != null) { 4774 mDeviceOwner.dump(" ", pw); 4775 } 4776 int userCount = mUserData.size(); 4777 for (int u = 0; u < userCount; u++) { 4778 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4779 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4780 final int N = policy.mAdminList.size(); 4781 for (int i=0; i<N; i++) { 4782 ActiveAdmin ap = policy.mAdminList.get(i); 4783 if (ap != null) { 4784 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4785 pw.println(":"); 4786 ap.dump(" ", pw); 4787 } 4788 } 4789 if (!policy.mRemovingAdmins.isEmpty()) { 4790 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4791 + policy.mRemovingAdmins); 4792 } 4793 4794 pw.println(" "); 4795 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4796 } 4797 } 4798 } 4799 4800 @Override 4801 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4802 ComponentName activity) { 4803 Preconditions.checkNotNull(who, "ComponentName is null"); 4804 final int userHandle = UserHandle.getCallingUserId(); 4805 synchronized (this) { 4806 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4807 4808 IPackageManager pm = AppGlobals.getPackageManager(); 4809 long id = Binder.clearCallingIdentity(); 4810 try { 4811 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4812 } catch (RemoteException re) { 4813 // Shouldn't happen 4814 } finally { 4815 restoreCallingIdentity(id); 4816 } 4817 } 4818 } 4819 4820 @Override 4821 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4822 Preconditions.checkNotNull(who, "ComponentName is null"); 4823 final int userHandle = UserHandle.getCallingUserId(); 4824 synchronized (this) { 4825 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4826 4827 IPackageManager pm = AppGlobals.getPackageManager(); 4828 long id = Binder.clearCallingIdentity(); 4829 try { 4830 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4831 } catch (RemoteException re) { 4832 // Shouldn't happen 4833 } finally { 4834 restoreCallingIdentity(id); 4835 } 4836 } 4837 } 4838 4839 @Override 4840 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4841 Preconditions.checkNotNull(who, "ComponentName is null"); 4842 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4843 synchronized (this) { 4844 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4845 4846 long id = Binder.clearCallingIdentity(); 4847 try { 4848 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4849 } finally { 4850 restoreCallingIdentity(id); 4851 } 4852 } 4853 } 4854 4855 @Override 4856 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4857 PersistableBundle args) { 4858 if (!mHasFeature) { 4859 return; 4860 } 4861 Preconditions.checkNotNull(admin, "admin is null"); 4862 Preconditions.checkNotNull(agent, "agent is null"); 4863 final int userHandle = UserHandle.getCallingUserId(); 4864 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4865 synchronized (this) { 4866 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4867 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4868 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4869 saveSettingsLocked(userHandle); 4870 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4871 } 4872 } 4873 4874 @Override 4875 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4876 ComponentName agent, int userHandle) { 4877 if (!mHasFeature) { 4878 return null; 4879 } 4880 Preconditions.checkNotNull(agent, "agent null"); 4881 enforceCrossUserPermission(userHandle); 4882 4883 synchronized (this) { 4884 final String componentName = agent.flattenToString(); 4885 if (admin != null) { 4886 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4887 if (ap == null) return null; 4888 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4889 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4890 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4891 result.add(trustAgentInfo.options); 4892 return result; 4893 } 4894 4895 // Return strictest policy for this user and profiles that are visible from this user. 4896 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4897 List<PersistableBundle> result = null; 4898 4899 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4900 // of the options. If any admin doesn't have options, discard options for the rest 4901 // and return null. 4902 boolean allAdminsHaveOptions = true; 4903 for (UserInfo userInfo : profiles) { 4904 DevicePolicyData policy = getUserDataUnchecked(userInfo.id); 4905 final int N = policy.mAdminList.size(); 4906 for (int i=0; i < N; i++) { 4907 final ActiveAdmin active = policy.mAdminList.get(i); 4908 final boolean disablesTrust = (active.disabledKeyguardFeatures 4909 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4910 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4911 if (info != null && info.options != null && !info.options.isEmpty()) { 4912 if (disablesTrust) { 4913 if (result == null) { 4914 result = new ArrayList<PersistableBundle>(); 4915 } 4916 result.add(info.options); 4917 } else { 4918 Log.w(LOG_TAG, "Ignoring admin " + active.info 4919 + " because it has trust options but doesn't declare " 4920 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4921 } 4922 } else if (disablesTrust) { 4923 allAdminsHaveOptions = false; 4924 break; 4925 } 4926 } 4927 } 4928 return allAdminsHaveOptions ? result : null; 4929 } 4930 } 4931 4932 @Override 4933 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4934 Preconditions.checkNotNull(who, "ComponentName is null"); 4935 synchronized (this) { 4936 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4937 4938 int userHandle = UserHandle.getCallingUserId(); 4939 DevicePolicyData userData = getUserData(userHandle); 4940 userData.mRestrictionsProvider = permissionProvider; 4941 saveSettingsLocked(userHandle); 4942 } 4943 } 4944 4945 @Override 4946 public ComponentName getRestrictionsProvider(int userHandle) { 4947 synchronized (this) { 4948 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4949 throw new SecurityException("Only the system can query the permission provider"); 4950 } 4951 DevicePolicyData userData = getUserData(userHandle); 4952 return userData != null ? userData.mRestrictionsProvider : null; 4953 } 4954 } 4955 4956 @Override 4957 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4958 Preconditions.checkNotNull(who, "ComponentName is null"); 4959 int callingUserId = UserHandle.getCallingUserId(); 4960 synchronized (this) { 4961 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4962 4963 IPackageManager pm = AppGlobals.getPackageManager(); 4964 long id = Binder.clearCallingIdentity(); 4965 try { 4966 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4967 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), callingUserId, 4968 UserHandle.USER_OWNER, 0); 4969 } 4970 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4971 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4972 UserHandle.USER_OWNER, callingUserId, 0); 4973 } 4974 } catch (RemoteException re) { 4975 // Shouldn't happen 4976 } finally { 4977 restoreCallingIdentity(id); 4978 } 4979 } 4980 } 4981 4982 @Override 4983 public void clearCrossProfileIntentFilters(ComponentName who) { 4984 Preconditions.checkNotNull(who, "ComponentName is null"); 4985 int callingUserId = UserHandle.getCallingUserId(); 4986 synchronized (this) { 4987 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4988 IPackageManager pm = AppGlobals.getPackageManager(); 4989 long id = Binder.clearCallingIdentity(); 4990 try { 4991 // Removing those that go from the managed profile to the primary user. 4992 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName()); 4993 // And those that go from the primary user to the managed profile. 4994 // If we want to support multiple managed profiles, we will have to only remove 4995 // those that have callingUserId as their target. 4996 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName()); 4997 } catch (RemoteException re) { 4998 // Shouldn't happen 4999 } finally { 5000 restoreCallingIdentity(id); 5001 } 5002 } 5003 } 5004 5005 /** 5006 * @return true if all packages in enabledPackages are either in the list 5007 * permittedList or are a system app. 5008 */ 5009 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 5010 List<String> permittedList) { 5011 int userIdToCheck = UserHandle.getCallingUserId(); 5012 long id = Binder.clearCallingIdentity(); 5013 try { 5014 // If we have an enabled packages list for a managed profile the packages 5015 // we should check are installed for the parent user. 5016 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 5017 if (user.isManagedProfile()) { 5018 userIdToCheck = user.profileGroupId; 5019 } 5020 5021 IPackageManager pm = AppGlobals.getPackageManager(); 5022 for (String enabledPackage : enabledPackages) { 5023 boolean systemService = false; 5024 try { 5025 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 5026 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 5027 systemService = (applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5028 } catch (RemoteException e) { 5029 Log.i(LOG_TAG, "Can't talk to package managed", e); 5030 } 5031 if (!systemService && !permittedList.contains(enabledPackage)) { 5032 return false; 5033 } 5034 } 5035 } finally { 5036 restoreCallingIdentity(id); 5037 } 5038 return true; 5039 } 5040 5041 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 5042 // Not using AccessibilityManager.getInstance because that guesses 5043 // at the user you require based on callingUid and caches for a given 5044 // process. 5045 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 5046 IAccessibilityManager service = iBinder == null 5047 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 5048 return new AccessibilityManager(mContext, service, userId); 5049 } 5050 5051 @Override 5052 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 5053 if (!mHasFeature) { 5054 return false; 5055 } 5056 Preconditions.checkNotNull(who, "ComponentName is null"); 5057 5058 if (packageList != null) { 5059 int userId = UserHandle.getCallingUserId(); 5060 List<AccessibilityServiceInfo> enabledServices = null; 5061 long id = Binder.clearCallingIdentity(); 5062 try { 5063 UserInfo user = mUserManager.getUserInfo(userId); 5064 if (user.isManagedProfile()) { 5065 userId = user.profileGroupId; 5066 } 5067 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 5068 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 5069 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 5070 } finally { 5071 restoreCallingIdentity(id); 5072 } 5073 5074 if (enabledServices != null) { 5075 List<String> enabledPackages = new ArrayList<String>(); 5076 for (AccessibilityServiceInfo service : enabledServices) { 5077 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 5078 } 5079 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5080 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 5081 + "because it contains already enabled accesibility services."); 5082 return false; 5083 } 5084 } 5085 } 5086 5087 synchronized (this) { 5088 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5089 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5090 admin.permittedAccessiblityServices = packageList; 5091 saveSettingsLocked(UserHandle.getCallingUserId()); 5092 } 5093 return true; 5094 } 5095 5096 @Override 5097 public List getPermittedAccessibilityServices(ComponentName who) { 5098 if (!mHasFeature) { 5099 return null; 5100 } 5101 Preconditions.checkNotNull(who, "ComponentName is null"); 5102 5103 synchronized (this) { 5104 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5105 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5106 return admin.permittedAccessiblityServices; 5107 } 5108 } 5109 5110 @Override 5111 public List getPermittedAccessibilityServicesForUser(int userId) { 5112 if (!mHasFeature) { 5113 return null; 5114 } 5115 synchronized (this) { 5116 List<String> result = null; 5117 // If we have multiple profiles we return the intersection of the 5118 // permitted lists. This can happen in cases where we have a device 5119 // and profile owner. 5120 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5121 final int PROFILES_SIZE = profiles.size(); 5122 for (int i = 0; i < PROFILES_SIZE; ++i) { 5123 // Just loop though all admins, only device or profiles 5124 // owners can have permitted lists set. 5125 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5126 final int N = policy.mAdminList.size(); 5127 for (int j = 0; j < N; j++) { 5128 ActiveAdmin admin = policy.mAdminList.get(j); 5129 List<String> fromAdmin = admin.permittedAccessiblityServices; 5130 if (fromAdmin != null) { 5131 if (result == null) { 5132 result = new ArrayList<String>(fromAdmin); 5133 } else { 5134 result.retainAll(fromAdmin); 5135 } 5136 } 5137 } 5138 } 5139 5140 // If we have a permitted list add all system accessibility services. 5141 if (result != null) { 5142 long id = Binder.clearCallingIdentity(); 5143 try { 5144 UserInfo user = mUserManager.getUserInfo(userId); 5145 if (user.isManagedProfile()) { 5146 userId = user.profileGroupId; 5147 } 5148 AccessibilityManager accessibilityManager = 5149 getAccessibilityManagerForUser(userId); 5150 List<AccessibilityServiceInfo> installedServices = 5151 accessibilityManager.getInstalledAccessibilityServiceList(); 5152 5153 IPackageManager pm = AppGlobals.getPackageManager(); 5154 if (installedServices != null) { 5155 for (AccessibilityServiceInfo service : installedServices) { 5156 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 5157 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5158 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5159 result.add(serviceInfo.packageName); 5160 } 5161 } 5162 } 5163 } finally { 5164 restoreCallingIdentity(id); 5165 } 5166 } 5167 5168 return result; 5169 } 5170 } 5171 5172 private boolean checkCallerIsCurrentUserOrProfile() { 5173 int callingUserId = UserHandle.getCallingUserId(); 5174 long token = Binder.clearCallingIdentity(); 5175 try { 5176 UserInfo currentUser; 5177 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 5178 try { 5179 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5180 } catch (RemoteException e) { 5181 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 5182 return false; 5183 } 5184 5185 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 5186 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 5187 + "of a user that isn't the foreground user."); 5188 return false; 5189 } 5190 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 5191 Slog.e(LOG_TAG, "Cannot set permitted input methods " 5192 + "of a user that isn't the foreground user."); 5193 return false; 5194 } 5195 } finally { 5196 Binder.restoreCallingIdentity(token); 5197 } 5198 return true; 5199 } 5200 5201 @Override 5202 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 5203 if (!mHasFeature) { 5204 return false; 5205 } 5206 Preconditions.checkNotNull(who, "ComponentName is null"); 5207 5208 // TODO When InputMethodManager supports per user calls remove 5209 // this restriction. 5210 if (!checkCallerIsCurrentUserOrProfile()) { 5211 return false; 5212 } 5213 5214 if (packageList != null) { 5215 // InputMethodManager fetches input methods for current user. 5216 // So this can only be set when calling user is the current user 5217 // or parent is current user in case of managed profiles. 5218 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5219 .getSystemService(Context.INPUT_METHOD_SERVICE); 5220 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 5221 5222 if (enabledImes != null) { 5223 List<String> enabledPackages = new ArrayList<String>(); 5224 for (InputMethodInfo ime : enabledImes) { 5225 enabledPackages.add(ime.getPackageName()); 5226 } 5227 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 5228 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 5229 + "because it contains already enabled input method."); 5230 return false; 5231 } 5232 } 5233 } 5234 5235 synchronized (this) { 5236 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5237 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5238 admin.permittedInputMethods = packageList; 5239 saveSettingsLocked(UserHandle.getCallingUserId()); 5240 } 5241 return true; 5242 } 5243 5244 @Override 5245 public List getPermittedInputMethods(ComponentName who) { 5246 if (!mHasFeature) { 5247 return null; 5248 } 5249 Preconditions.checkNotNull(who, "ComponentName is null"); 5250 5251 synchronized (this) { 5252 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5253 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5254 return admin.permittedInputMethods; 5255 } 5256 } 5257 5258 @Override 5259 public List getPermittedInputMethodsForCurrentUser() { 5260 UserInfo currentUser; 5261 try { 5262 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 5263 } catch (RemoteException e) { 5264 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 5265 // Activity managed is dead, just allow all IMEs 5266 return null; 5267 } 5268 5269 int userId = currentUser.id; 5270 synchronized (this) { 5271 List<String> result = null; 5272 // If we have multiple profiles we return the intersection of the 5273 // permitted lists. This can happen in cases where we have a device 5274 // and profile owner. 5275 List<UserInfo> profiles = mUserManager.getProfiles(userId); 5276 final int PROFILES_SIZE = profiles.size(); 5277 for (int i = 0; i < PROFILES_SIZE; ++i) { 5278 // Just loop though all admins, only device or profiles 5279 // owners can have permitted lists set. 5280 DevicePolicyData policy = getUserDataUnchecked(profiles.get(i).id); 5281 final int N = policy.mAdminList.size(); 5282 for (int j = 0; j < N; j++) { 5283 ActiveAdmin admin = policy.mAdminList.get(j); 5284 List<String> fromAdmin = admin.permittedInputMethods; 5285 if (fromAdmin != null) { 5286 if (result == null) { 5287 result = new ArrayList<String>(fromAdmin); 5288 } else { 5289 result.retainAll(fromAdmin); 5290 } 5291 } 5292 } 5293 } 5294 5295 // If we have a permitted list add all system input methods. 5296 if (result != null) { 5297 InputMethodManager inputMethodManager = (InputMethodManager) mContext 5298 .getSystemService(Context.INPUT_METHOD_SERVICE); 5299 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 5300 long id = Binder.clearCallingIdentity(); 5301 try { 5302 IPackageManager pm = AppGlobals.getPackageManager(); 5303 if (imes != null) { 5304 for (InputMethodInfo ime : imes) { 5305 ServiceInfo serviceInfo = ime.getServiceInfo(); 5306 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 5307 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5308 result.add(serviceInfo.packageName); 5309 } 5310 } 5311 } 5312 } finally { 5313 restoreCallingIdentity(id); 5314 } 5315 } 5316 return result; 5317 } 5318 } 5319 5320 @Override 5321 public UserHandle createUser(ComponentName who, String name) { 5322 Preconditions.checkNotNull(who, "ComponentName is null"); 5323 synchronized (this) { 5324 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5325 5326 long id = Binder.clearCallingIdentity(); 5327 try { 5328 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 5329 if (userInfo != null) { 5330 return userInfo.getUserHandle(); 5331 } 5332 return null; 5333 } finally { 5334 restoreCallingIdentity(id); 5335 } 5336 } 5337 } 5338 5339 @Override 5340 public UserHandle createAndInitializeUser(ComponentName who, String name, 5341 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 5342 UserHandle user = createUser(who, name); 5343 if (user == null) { 5344 return null; 5345 } 5346 long id = Binder.clearCallingIdentity(); 5347 try { 5348 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 5349 final IPackageManager ipm = AppGlobals.getPackageManager(); 5350 IActivityManager activityManager = ActivityManagerNative.getDefault(); 5351 5352 final int userHandle = user.getIdentifier(); 5353 try { 5354 // Install the profile owner if not present. 5355 if (!ipm.isPackageAvailable(profileOwnerPkg, userHandle)) { 5356 ipm.installExistingPackageAsUser(profileOwnerPkg, userHandle); 5357 } 5358 5359 // Start user in background. 5360 activityManager.startUserInBackground(userHandle); 5361 } catch (RemoteException e) { 5362 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 5363 } 5364 5365 setActiveAdmin(profileOwnerComponent, true, userHandle, adminExtras); 5366 setProfileOwner(profileOwnerComponent, ownerName, userHandle); 5367 return user; 5368 } finally { 5369 restoreCallingIdentity(id); 5370 } 5371 } 5372 5373 @Override 5374 public boolean removeUser(ComponentName who, UserHandle userHandle) { 5375 Preconditions.checkNotNull(who, "ComponentName is null"); 5376 synchronized (this) { 5377 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5378 5379 long id = Binder.clearCallingIdentity(); 5380 try { 5381 return mUserManager.removeUser(userHandle.getIdentifier()); 5382 } finally { 5383 restoreCallingIdentity(id); 5384 } 5385 } 5386 } 5387 5388 @Override 5389 public boolean switchUser(ComponentName who, UserHandle userHandle) { 5390 Preconditions.checkNotNull(who, "ComponentName is null"); 5391 synchronized (this) { 5392 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5393 5394 long id = Binder.clearCallingIdentity(); 5395 try { 5396 int userId = UserHandle.USER_OWNER; 5397 if (userHandle != null) { 5398 userId = userHandle.getIdentifier(); 5399 } 5400 return ActivityManagerNative.getDefault().switchUser(userId); 5401 } catch (RemoteException e) { 5402 Log.e(LOG_TAG, "Couldn't switch user", e); 5403 return false; 5404 } finally { 5405 restoreCallingIdentity(id); 5406 } 5407 } 5408 } 5409 5410 @Override 5411 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 5412 Preconditions.checkNotNull(who, "ComponentName is null"); 5413 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 5414 5415 synchronized (this) { 5416 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5417 5418 long id = Binder.clearCallingIdentity(); 5419 try { 5420 Bundle bundle = mUserManager.getApplicationRestrictions(packageName, userHandle); 5421 // if no restrictions were saved, mUserManager.getApplicationRestrictions 5422 // returns null, but DPM method should return an empty Bundle as per JavaDoc 5423 return bundle != null ? bundle : Bundle.EMPTY; 5424 } finally { 5425 restoreCallingIdentity(id); 5426 } 5427 } 5428 } 5429 5430 @Override 5431 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 5432 Preconditions.checkNotNull(who, "ComponentName is null"); 5433 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 5434 final int userHandle = user.getIdentifier(); 5435 synchronized (this) { 5436 ActiveAdmin activeAdmin = 5437 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5438 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 5439 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 5440 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 5441 throw new SecurityException("Profile owners cannot set user restriction " + key); 5442 } 5443 if (IMMUTABLE_USER_RESTRICTIONS.contains(key)) { 5444 throw new SecurityException("User restriction " + key + " cannot be changed"); 5445 } 5446 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 5447 5448 IAudioService iAudioService = null; 5449 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 5450 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5451 iAudioService = IAudioService.Stub.asInterface( 5452 ServiceManager.getService(Context.AUDIO_SERVICE)); 5453 } 5454 5455 long id = Binder.clearCallingIdentity(); 5456 try { 5457 if (enabled && !alreadyRestricted) { 5458 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5459 iAudioService.setMicrophoneMute(true, mContext.getPackageName(), 5460 userHandle); 5461 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5462 iAudioService.setMasterMute(true, 0, mContext.getPackageName(), 5463 userHandle); 5464 } 5465 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 5466 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5467 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 5468 userHandle); 5469 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5470 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5471 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 5472 userHandle); 5473 Settings.Secure.putStringForUser(mContext.getContentResolver(), 5474 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 5475 userHandle); 5476 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 5477 // Only disable adb if changing for primary user, since it is global 5478 if (userHandle == UserHandle.USER_OWNER) { 5479 Settings.Global.putStringForUser(mContext.getContentResolver(), 5480 Settings.Global.ADB_ENABLED, "0", userHandle); 5481 } 5482 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 5483 Settings.Global.putStringForUser(mContext.getContentResolver(), 5484 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 5485 userHandle); 5486 Settings.Global.putStringForUser(mContext.getContentResolver(), 5487 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 5488 userHandle); 5489 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 5490 Settings.Secure.putIntForUser(mContext.getContentResolver(), 5491 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 5492 userHandle); 5493 } 5494 } 5495 mUserManager.setUserRestriction(key, enabled, user); 5496 if (enabled != alreadyRestricted) { 5497 if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 5498 // Send out notifications however as some clients may want to reread the 5499 // value which actually changed due to a restriction having been applied. 5500 final String property = Settings.Secure.SYS_PROP_SETTING_VERSION; 5501 long version = SystemProperties.getLong(property, 0) + 1; 5502 SystemProperties.set(property, Long.toString(version)); 5503 5504 final String name = Settings.Secure.LOCATION_PROVIDERS_ALLOWED; 5505 Uri url = Uri.withAppendedPath(Settings.Secure.CONTENT_URI, name); 5506 mContext.getContentResolver().notifyChange(url, null, true, userHandle); 5507 } 5508 } 5509 if (!enabled && alreadyRestricted) { 5510 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 5511 iAudioService.setMicrophoneMute(false, mContext.getPackageName(), 5512 userHandle); 5513 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 5514 iAudioService.setMasterMute(false, 0, mContext.getPackageName(), 5515 userHandle); 5516 } 5517 } 5518 } catch (RemoteException re) { 5519 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 5520 } finally { 5521 restoreCallingIdentity(id); 5522 } 5523 sendChangedNotification(userHandle); 5524 } 5525 } 5526 5527 @Override 5528 public boolean setApplicationHidden(ComponentName who, String packageName, 5529 boolean hidden) { 5530 Preconditions.checkNotNull(who, "ComponentName is null"); 5531 int callingUserId = UserHandle.getCallingUserId(); 5532 synchronized (this) { 5533 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5534 5535 long id = Binder.clearCallingIdentity(); 5536 try { 5537 IPackageManager pm = AppGlobals.getPackageManager(); 5538 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 5539 } catch (RemoteException re) { 5540 // shouldn't happen 5541 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 5542 } finally { 5543 restoreCallingIdentity(id); 5544 } 5545 return false; 5546 } 5547 } 5548 5549 @Override 5550 public boolean isApplicationHidden(ComponentName who, String packageName) { 5551 Preconditions.checkNotNull(who, "ComponentName is null"); 5552 int callingUserId = UserHandle.getCallingUserId(); 5553 synchronized (this) { 5554 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5555 5556 long id = Binder.clearCallingIdentity(); 5557 try { 5558 IPackageManager pm = AppGlobals.getPackageManager(); 5559 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 5560 } catch (RemoteException re) { 5561 // shouldn't happen 5562 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 5563 } finally { 5564 restoreCallingIdentity(id); 5565 } 5566 return false; 5567 } 5568 } 5569 5570 @Override 5571 public void enableSystemApp(ComponentName who, String packageName) { 5572 Preconditions.checkNotNull(who, "ComponentName is null"); 5573 synchronized (this) { 5574 // This API can only be called by an active device admin, 5575 // so try to retrieve it to check that the caller is one. 5576 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5577 5578 int userId = UserHandle.getCallingUserId(); 5579 long id = Binder.clearCallingIdentity(); 5580 5581 try { 5582 if (DBG) { 5583 Slog.v(LOG_TAG, "installing " + packageName + " for " 5584 + userId); 5585 } 5586 5587 UserManager um = UserManager.get(mContext); 5588 UserInfo primaryUser = um.getProfileParent(userId); 5589 5590 // Call did not come from a managed profile 5591 if (primaryUser == null) { 5592 primaryUser = um.getUserInfo(userId); 5593 } 5594 5595 IPackageManager pm = AppGlobals.getPackageManager(); 5596 if (!isSystemApp(pm, packageName, primaryUser.id)) { 5597 throw new IllegalArgumentException("Only system apps can be enabled this way."); 5598 } 5599 5600 // Install the app. 5601 pm.installExistingPackageAsUser(packageName, userId); 5602 5603 } catch (RemoteException re) { 5604 // shouldn't happen 5605 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 5606 } finally { 5607 restoreCallingIdentity(id); 5608 } 5609 } 5610 } 5611 5612 @Override 5613 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 5614 Preconditions.checkNotNull(who, "ComponentName is null"); 5615 synchronized (this) { 5616 // This API can only be called by an active device admin, 5617 // so try to retrieve it to check that the caller is one. 5618 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5619 5620 int userId = UserHandle.getCallingUserId(); 5621 long id = Binder.clearCallingIdentity(); 5622 5623 try { 5624 UserManager um = UserManager.get(mContext); 5625 UserInfo primaryUser = um.getProfileParent(userId); 5626 5627 // Call did not come from a managed profile. 5628 if (primaryUser == null) { 5629 primaryUser = um.getUserInfo(userId); 5630 } 5631 5632 IPackageManager pm = AppGlobals.getPackageManager(); 5633 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5634 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5635 0, // no flags 5636 primaryUser.id); 5637 5638 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5639 int numberOfAppsInstalled = 0; 5640 if (activitiesToEnable != null) { 5641 for (ResolveInfo info : activitiesToEnable) { 5642 if (info.activityInfo != null) { 5643 String packageName = info.activityInfo.packageName; 5644 if (isSystemApp(pm, packageName, primaryUser.id)) { 5645 numberOfAppsInstalled++; 5646 pm.installExistingPackageAsUser(packageName, userId); 5647 } else { 5648 Slog.d(LOG_TAG, "Not enabling " + packageName + " since is not a" 5649 + " system app"); 5650 } 5651 } 5652 } 5653 } 5654 return numberOfAppsInstalled; 5655 } catch (RemoteException e) { 5656 // shouldn't happen 5657 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5658 return 0; 5659 } finally { 5660 restoreCallingIdentity(id); 5661 } 5662 } 5663 } 5664 5665 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5666 throws RemoteException { 5667 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5668 userId); 5669 if (appInfo == null) { 5670 throw new IllegalArgumentException("The application " + packageName + 5671 " is not present on this device"); 5672 } 5673 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5674 } 5675 5676 @Override 5677 public void setAccountManagementDisabled(ComponentName who, String accountType, 5678 boolean disabled) { 5679 if (!mHasFeature) { 5680 return; 5681 } 5682 Preconditions.checkNotNull(who, "ComponentName is null"); 5683 synchronized (this) { 5684 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5685 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5686 if (disabled) { 5687 ap.accountTypesWithManagementDisabled.add(accountType); 5688 } else { 5689 ap.accountTypesWithManagementDisabled.remove(accountType); 5690 } 5691 saveSettingsLocked(UserHandle.getCallingUserId()); 5692 } 5693 } 5694 5695 @Override 5696 public String[] getAccountTypesWithManagementDisabled() { 5697 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5698 } 5699 5700 @Override 5701 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5702 enforceCrossUserPermission(userId); 5703 if (!mHasFeature) { 5704 return null; 5705 } 5706 synchronized (this) { 5707 DevicePolicyData policy = getUserData(userId); 5708 final int N = policy.mAdminList.size(); 5709 HashSet<String> resultSet = new HashSet<String>(); 5710 for (int i = 0; i < N; i++) { 5711 ActiveAdmin admin = policy.mAdminList.get(i); 5712 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5713 } 5714 return resultSet.toArray(new String[resultSet.size()]); 5715 } 5716 } 5717 5718 @Override 5719 public void setUninstallBlocked(ComponentName who, String packageName, 5720 boolean uninstallBlocked) { 5721 Preconditions.checkNotNull(who, "ComponentName is null"); 5722 final int userId = UserHandle.getCallingUserId(); 5723 synchronized (this) { 5724 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5725 5726 long id = Binder.clearCallingIdentity(); 5727 try { 5728 IPackageManager pm = AppGlobals.getPackageManager(); 5729 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5730 } catch (RemoteException re) { 5731 // Shouldn't happen. 5732 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5733 } finally { 5734 restoreCallingIdentity(id); 5735 } 5736 } 5737 } 5738 5739 @Override 5740 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5741 // This function should return true if and only if the package is blocked by 5742 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5743 // when the package is a system app, or when it is an active device admin. 5744 final int userId = UserHandle.getCallingUserId(); 5745 5746 synchronized (this) { 5747 if (who != null) { 5748 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5749 } 5750 5751 long id = Binder.clearCallingIdentity(); 5752 try { 5753 IPackageManager pm = AppGlobals.getPackageManager(); 5754 return pm.getBlockUninstallForUser(packageName, userId); 5755 } catch (RemoteException re) { 5756 // Shouldn't happen. 5757 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5758 } finally { 5759 restoreCallingIdentity(id); 5760 } 5761 } 5762 return false; 5763 } 5764 5765 @Override 5766 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5767 if (!mHasFeature) { 5768 return; 5769 } 5770 Preconditions.checkNotNull(who, "ComponentName is null"); 5771 synchronized (this) { 5772 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5773 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5774 if (admin.disableCallerId != disabled) { 5775 admin.disableCallerId = disabled; 5776 saveSettingsLocked(UserHandle.getCallingUserId()); 5777 } 5778 } 5779 } 5780 5781 @Override 5782 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5783 if (!mHasFeature) { 5784 return false; 5785 } 5786 Preconditions.checkNotNull(who, "ComponentName is null"); 5787 synchronized (this) { 5788 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5789 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5790 return admin.disableCallerId; 5791 } 5792 } 5793 5794 @Override 5795 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5796 // TODO: Should there be a check to make sure this relationship is within a profile group? 5797 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5798 synchronized (this) { 5799 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5800 return (admin != null) ? admin.disableCallerId : false; 5801 } 5802 } 5803 5804 @Override 5805 public void startManagedQuickContact(String actualLookupKey, long actualContactId, 5806 Intent originalIntent) { 5807 final Intent intent = QuickContact.rebuildManagedQuickContactsIntent( 5808 actualLookupKey, actualContactId, originalIntent); 5809 final int callingUserId = UserHandle.getCallingUserId(); 5810 5811 final long ident = Binder.clearCallingIdentity(); 5812 try { 5813 synchronized (this) { 5814 final int managedUserId = getManagedUserId(callingUserId); 5815 if (managedUserId < 0) { 5816 return; 5817 } 5818 if (getCrossProfileCallerIdDisabledForUser(managedUserId)) { 5819 if (VERBOSE_LOG) { 5820 Log.v(LOG_TAG, 5821 "Cross-profile contacts access disabled for user " + managedUserId); 5822 } 5823 return; 5824 } 5825 ContactsInternal.startQuickContactWithErrorToastForUser( 5826 mContext, intent, new UserHandle(managedUserId)); 5827 } 5828 } finally { 5829 Binder.restoreCallingIdentity(ident); 5830 } 5831 } 5832 5833 /** 5834 * @return the user ID of the managed user that is linked to the current user, if any. 5835 * Otherwise -1. 5836 */ 5837 public int getManagedUserId(int callingUserId) { 5838 if (VERBOSE_LOG) { 5839 Log.v(LOG_TAG, "getManagedUserId: callingUserId=" + callingUserId); 5840 } 5841 5842 for (UserInfo ui : mUserManager.getProfiles(callingUserId)) { 5843 if (ui.id == callingUserId || !ui.isManagedProfile()) { 5844 continue; // Caller user self, or not a managed profile. Skip. 5845 } 5846 if (VERBOSE_LOG) { 5847 Log.v(LOG_TAG, "Managed user=" + ui.id); 5848 } 5849 return ui.id; 5850 } 5851 if (VERBOSE_LOG) { 5852 Log.v(LOG_TAG, "Managed user not found."); 5853 } 5854 return -1; 5855 } 5856 5857 @Override 5858 public void setBluetoothContactSharingDisabled(ComponentName who, boolean disabled) { 5859 if (!mHasFeature) { 5860 return; 5861 } 5862 Preconditions.checkNotNull(who, "ComponentName is null"); 5863 synchronized (this) { 5864 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5865 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5866 if (admin.disableBluetoothContactSharing != disabled) { 5867 admin.disableBluetoothContactSharing = disabled; 5868 saveSettingsLocked(UserHandle.getCallingUserId()); 5869 } 5870 } 5871 } 5872 5873 @Override 5874 public boolean getBluetoothContactSharingDisabled(ComponentName who) { 5875 if (!mHasFeature) { 5876 return false; 5877 } 5878 Preconditions.checkNotNull(who, "ComponentName is null"); 5879 synchronized (this) { 5880 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5881 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5882 return admin.disableBluetoothContactSharing; 5883 } 5884 } 5885 5886 @Override 5887 public boolean getBluetoothContactSharingDisabledForUser(int userId) { 5888 // TODO: Should there be a check to make sure this relationship is 5889 // within a profile group? 5890 // enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5891 synchronized (this) { 5892 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5893 return (admin != null) ? admin.disableBluetoothContactSharing : false; 5894 } 5895 } 5896 5897 /** 5898 * Sets which packages may enter lock task mode. 5899 * 5900 * This function can only be called by the device owner. 5901 * @param packages The list of packages allowed to enter lock task mode. 5902 */ 5903 @Override 5904 public void setLockTaskPackages(ComponentName who, String[] packages) 5905 throws SecurityException { 5906 Preconditions.checkNotNull(who, "ComponentName is null"); 5907 synchronized (this) { 5908 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5909 5910 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5911 setLockTaskPackagesLocked(userHandle, new ArrayList<>(Arrays.asList(packages))); 5912 } 5913 } 5914 5915 private void setLockTaskPackagesLocked(int userHandle, List<String> packages) { 5916 DevicePolicyData policy = getUserData(userHandle); 5917 policy.mLockTaskPackages = packages; 5918 5919 // Store the settings persistently. 5920 saveSettingsLocked(userHandle); 5921 updateLockTaskPackagesLocked(packages, userHandle); 5922 } 5923 5924 /** 5925 * This function returns the list of components allowed to start the task lock mode. 5926 */ 5927 @Override 5928 public String[] getLockTaskPackages(ComponentName who) { 5929 Preconditions.checkNotNull(who, "ComponentName is null"); 5930 synchronized (this) { 5931 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5932 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5933 final List<String> packages = getLockTaskPackagesLocked(userHandle); 5934 return packages.toArray(new String[packages.size()]); 5935 } 5936 } 5937 5938 private List<String> getLockTaskPackagesLocked(int userHandle) { 5939 final DevicePolicyData policy = getUserData(userHandle); 5940 return policy.mLockTaskPackages; 5941 } 5942 5943 /** 5944 * This function lets the caller know whether the given package is allowed to start the 5945 * lock task mode. 5946 * @param pkg The package to check 5947 */ 5948 @Override 5949 public boolean isLockTaskPermitted(String pkg) { 5950 // Get current user's devicepolicy 5951 int uid = Binder.getCallingUid(); 5952 int userHandle = UserHandle.getUserId(uid); 5953 DevicePolicyData policy = getUserData(userHandle); 5954 synchronized (this) { 5955 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5956 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5957 5958 // If the given package equals one of the packages stored our list, 5959 // we allow this package to start lock task mode. 5960 if (lockTaskPackage.equals(pkg)) { 5961 return true; 5962 } 5963 } 5964 } 5965 return false; 5966 } 5967 5968 @Override 5969 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5970 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5971 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5972 } 5973 synchronized (this) { 5974 final DevicePolicyData policy = getUserData(userHandle); 5975 Bundle adminExtras = new Bundle(); 5976 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5977 for (ActiveAdmin admin : policy.mAdminList) { 5978 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5979 boolean ownsProfile = (getProfileOwner(userHandle) != null 5980 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5981 if (ownsDevice || ownsProfile) { 5982 if (isEnabled) { 5983 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5984 adminExtras, null); 5985 } else { 5986 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5987 } 5988 } 5989 } 5990 } 5991 } 5992 5993 @Override 5994 public void setGlobalSetting(ComponentName who, String setting, String value) { 5995 final ContentResolver contentResolver = mContext.getContentResolver(); 5996 Preconditions.checkNotNull(who, "ComponentName is null"); 5997 5998 synchronized (this) { 5999 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6000 6001 // Some settings are no supported any more. However we do not want to throw a 6002 // SecurityException to avoid breaking apps. 6003 if (GLOBAL_SETTINGS_DEPRECATED.contains(setting)) { 6004 Log.i(LOG_TAG, "Global setting no longer supported: " + setting); 6005 return; 6006 } 6007 6008 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 6009 throw new SecurityException(String.format( 6010 "Permission denial: device owners cannot update %1$s", setting)); 6011 } 6012 6013 if (Settings.Global.STAY_ON_WHILE_PLUGGED_IN.equals(setting)) { 6014 // ignore if it contradicts an existing policy 6015 long timeMs = getMaximumTimeToLock(who, UserHandle.getCallingUserId()); 6016 if (timeMs > 0 && timeMs < Integer.MAX_VALUE) { 6017 return; 6018 } 6019 } 6020 6021 long id = Binder.clearCallingIdentity(); 6022 try { 6023 Settings.Global.putString(contentResolver, setting, value); 6024 } finally { 6025 restoreCallingIdentity(id); 6026 } 6027 } 6028 } 6029 6030 @Override 6031 public void setSecureSetting(ComponentName who, String setting, String value) { 6032 Preconditions.checkNotNull(who, "ComponentName is null"); 6033 int callingUserId = UserHandle.getCallingUserId(); 6034 final ContentResolver contentResolver = mContext.getContentResolver(); 6035 6036 synchronized (this) { 6037 ActiveAdmin activeAdmin = 6038 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6039 6040 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 6041 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 6042 throw new SecurityException(String.format( 6043 "Permission denial: Device owners cannot update %1$s", setting)); 6044 } 6045 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 6046 throw new SecurityException(String.format( 6047 "Permission denial: Profile owners cannot update %1$s", setting)); 6048 } 6049 6050 long id = Binder.clearCallingIdentity(); 6051 try { 6052 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 6053 } finally { 6054 restoreCallingIdentity(id); 6055 } 6056 } 6057 } 6058 6059 @Override 6060 public void setMasterVolumeMuted(ComponentName who, boolean on) { 6061 Preconditions.checkNotNull(who, "ComponentName is null"); 6062 synchronized (this) { 6063 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6064 int userId = UserHandle.getCallingUserId(); 6065 long identity = Binder.clearCallingIdentity(); 6066 try { 6067 IAudioService iAudioService = IAudioService.Stub.asInterface( 6068 ServiceManager.getService(Context.AUDIO_SERVICE)); 6069 iAudioService.setMasterMute(on, 0, mContext.getPackageName(), userId); 6070 } catch (RemoteException re) { 6071 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 6072 } finally { 6073 Binder.restoreCallingIdentity(identity); 6074 } 6075 } 6076 } 6077 6078 @Override 6079 public boolean isMasterVolumeMuted(ComponentName who) { 6080 Preconditions.checkNotNull(who, "ComponentName is null"); 6081 synchronized (this) { 6082 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6083 6084 AudioManager audioManager = 6085 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 6086 return audioManager.isMasterMute(); 6087 } 6088 } 6089 6090 @Override 6091 public void setUserIcon(ComponentName who, Bitmap icon) { 6092 synchronized (this) { 6093 Preconditions.checkNotNull(who, "ComponentName is null"); 6094 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6095 6096 int userId = UserHandle.getCallingUserId(); 6097 long id = Binder.clearCallingIdentity(); 6098 try { 6099 mUserManager.setUserIcon(userId, icon); 6100 } finally { 6101 restoreCallingIdentity(id); 6102 } 6103 } 6104 } 6105 6106 @Override 6107 public boolean setKeyguardDisabled(ComponentName who, boolean disabled) { 6108 Preconditions.checkNotNull(who, "ComponentName is null"); 6109 synchronized (this) { 6110 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6111 } 6112 final int userId = UserHandle.getCallingUserId(); 6113 LockPatternUtils utils = new LockPatternUtils(mContext); 6114 6115 long ident = Binder.clearCallingIdentity(); 6116 try { 6117 // disallow disabling the keyguard if a password is currently set 6118 if (disabled && utils.isSecure(userId)) { 6119 return false; 6120 } 6121 utils.setLockScreenDisabled(disabled, userId); 6122 } finally { 6123 Binder.restoreCallingIdentity(ident); 6124 } 6125 return true; 6126 } 6127 6128 @Override 6129 public boolean setStatusBarDisabled(ComponentName who, boolean disabled) { 6130 int userId = UserHandle.getCallingUserId(); 6131 synchronized (this) { 6132 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6133 DevicePolicyData policy = getUserData(userId); 6134 if (policy.mStatusBarDisabled != disabled) { 6135 if (!setStatusBarDisabledInternal(disabled, userId)) { 6136 return false; 6137 } 6138 policy.mStatusBarDisabled = disabled; 6139 saveSettingsLocked(userId); 6140 } 6141 } 6142 return true; 6143 } 6144 6145 private boolean setStatusBarDisabledInternal(boolean disabled, int userId) { 6146 long ident = Binder.clearCallingIdentity(); 6147 try { 6148 IStatusBarService statusBarService = IStatusBarService.Stub.asInterface( 6149 ServiceManager.checkService(Context.STATUS_BAR_SERVICE)); 6150 if (statusBarService != null) { 6151 int flags1 = disabled ? STATUS_BAR_DISABLE_MASK : StatusBarManager.DISABLE_NONE; 6152 int flags2 = disabled ? STATUS_BAR_DISABLE2_MASK : StatusBarManager.DISABLE2_NONE; 6153 statusBarService.disableForUser(flags1, mToken, mContext.getPackageName(), userId); 6154 statusBarService.disable2ForUser(flags2, mToken, mContext.getPackageName(), userId); 6155 return true; 6156 } 6157 } catch (RemoteException e) { 6158 Slog.e(LOG_TAG, "Failed to disable the status bar", e); 6159 } finally { 6160 Binder.restoreCallingIdentity(ident); 6161 } 6162 return false; 6163 } 6164 6165 /** 6166 * We need to update the internal state of whether a user has completed setup once. After 6167 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 6168 * as we don't trust any apps that might try to reset it. 6169 * <p> 6170 * Unfortunately, we don't know which user's setup state was changed, so we write all of 6171 * them. 6172 */ 6173 void updateUserSetupComplete() { 6174 List<UserInfo> users = mUserManager.getUsers(true); 6175 ContentResolver resolver = mContext.getContentResolver(); 6176 final int N = users.size(); 6177 for (int i = 0; i < N; i++) { 6178 int userHandle = users.get(i).id; 6179 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 6180 userHandle) != 0) { 6181 DevicePolicyData policy = getUserData(userHandle); 6182 if (!policy.mUserSetupComplete) { 6183 policy.mUserSetupComplete = true; 6184 synchronized (this) { 6185 // The DeviceInitializer was whitelisted but now should be removed. 6186 removeDeviceInitializerFromLockTaskPackages(userHandle); 6187 saveSettingsLocked(userHandle); 6188 } 6189 } 6190 } 6191 } 6192 } 6193 6194 private void addDeviceInitializerToLockTaskPackagesLocked(int userHandle) { 6195 if (hasUserSetupCompleted(userHandle)) { 6196 return; 6197 } 6198 6199 final String deviceInitializerPackage = getDeviceInitializer(); 6200 if (deviceInitializerPackage == null) { 6201 return; 6202 } 6203 6204 final List<String> packages = getLockTaskPackagesLocked(userHandle); 6205 if (!packages.contains(deviceInitializerPackage)) { 6206 packages.add(deviceInitializerPackage); 6207 setLockTaskPackagesLocked(userHandle, packages); 6208 } 6209 } 6210 6211 private void removeDeviceInitializerFromLockTaskPackages(int userHandle) { 6212 final String deviceInitializerPackage = getDeviceInitializer(); 6213 if (deviceInitializerPackage == null) { 6214 return; 6215 } 6216 6217 List<String> packages = getLockTaskPackagesLocked(userHandle); 6218 if (packages.remove(deviceInitializerPackage)) { 6219 setLockTaskPackagesLocked(userHandle, packages); 6220 } 6221 } 6222 6223 private class SetupContentObserver extends ContentObserver { 6224 6225 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 6226 Settings.Secure.USER_SETUP_COMPLETE); 6227 6228 public SetupContentObserver(Handler handler) { 6229 super(handler); 6230 } 6231 6232 void register(ContentResolver resolver) { 6233 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 6234 } 6235 6236 @Override 6237 public void onChange(boolean selfChange, Uri uri) { 6238 if (mUserSetupComplete.equals(uri)) { 6239 updateUserSetupComplete(); 6240 } 6241 } 6242 } 6243 6244 private final class LocalService extends DevicePolicyManagerInternal { 6245 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 6246 6247 @Override 6248 public List<String> getCrossProfileWidgetProviders(int profileId) { 6249 synchronized (DevicePolicyManagerService.this) { 6250 if (mDeviceOwner == null) { 6251 return Collections.emptyList(); 6252 } 6253 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 6254 if (ownerComponent == null) { 6255 return Collections.emptyList(); 6256 } 6257 6258 DevicePolicyData policy = getUserDataUnchecked(profileId); 6259 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 6260 6261 if (admin == null || admin.crossProfileWidgetProviders == null 6262 || admin.crossProfileWidgetProviders.isEmpty()) { 6263 return Collections.emptyList(); 6264 } 6265 6266 return admin.crossProfileWidgetProviders; 6267 } 6268 } 6269 6270 @Override 6271 public void addOnCrossProfileWidgetProvidersChangeListener( 6272 OnCrossProfileWidgetProvidersChangeListener listener) { 6273 synchronized (DevicePolicyManagerService.this) { 6274 if (mWidgetProviderListeners == null) { 6275 mWidgetProviderListeners = new ArrayList<>(); 6276 } 6277 if (!mWidgetProviderListeners.contains(listener)) { 6278 mWidgetProviderListeners.add(listener); 6279 } 6280 } 6281 } 6282 6283 @Override 6284 public boolean isActiveAdminWithPolicy(int uid, int reqPolicy) { 6285 final int userId = UserHandle.getUserId(uid); 6286 synchronized(DevicePolicyManagerService.this) { 6287 return getActiveAdminWithPolicyForUidLocked(null, reqPolicy, uid) != null; 6288 } 6289 } 6290 6291 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 6292 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 6293 synchronized (DevicePolicyManagerService.this) { 6294 listeners = new ArrayList<>(mWidgetProviderListeners); 6295 } 6296 final int listenerCount = listeners.size(); 6297 for (int i = 0; i < listenerCount; i++) { 6298 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 6299 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 6300 } 6301 } 6302 } 6303 6304 /** 6305 * Returns true if specified admin is allowed to limit passwords and has a 6306 * {@code passwordQuality} of at least {@code minPasswordQuality} 6307 */ 6308 private static boolean isLimitPasswordAllowed(ActiveAdmin admin, int minPasswordQuality) { 6309 if (admin.passwordQuality < minPasswordQuality) { 6310 return false; 6311 } 6312 return admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 6313 } 6314 6315 @Override 6316 public void setSystemUpdatePolicy(ComponentName who, SystemUpdatePolicy policy) { 6317 if (policy != null && !policy.isValid()) { 6318 throw new IllegalArgumentException("Invalid system update policy."); 6319 } 6320 synchronized (this) { 6321 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 6322 if (policy == null) { 6323 mDeviceOwner.clearSystemUpdatePolicy(); 6324 } else { 6325 mDeviceOwner.setSystemUpdatePolicy(policy); 6326 } 6327 mDeviceOwner.writeOwnerFile(); 6328 } 6329 mContext.sendBroadcastAsUser( 6330 new Intent(DevicePolicyManager.ACTION_SYSTEM_UPDATE_POLICY_CHANGED), 6331 UserHandle.OWNER); 6332 } 6333 6334 @Override 6335 public SystemUpdatePolicy getSystemUpdatePolicy() { 6336 synchronized (this) { 6337 SystemUpdatePolicy policy = mDeviceOwner.getSystemUpdatePolicy(); 6338 if (policy != null && !policy.isValid()) { 6339 Slog.w(LOG_TAG, "Stored system update policy is invalid, return null instead."); 6340 return null; 6341 } 6342 return policy; 6343 } 6344 } 6345 6346 /** 6347 * Checks if the caller of the method is the device owner app or device initialization app. 6348 * 6349 * @param callerUid UID of the caller. 6350 * @return true if the caller is the device owner app or device initializer. 6351 */ 6352 private boolean isCallerDeviceOwnerOrInitializer(int callerUid) { 6353 String[] pkgs = mContext.getPackageManager().getPackagesForUid(callerUid); 6354 for (String pkg : pkgs) { 6355 if (isDeviceOwner(pkg) || isDeviceInitializer(pkg)) { 6356 return true; 6357 } 6358 } 6359 return false; 6360 } 6361 6362 @Override 6363 public void notifyPendingSystemUpdate(long updateReceivedTime) { 6364 mContext.enforceCallingOrSelfPermission(permission.NOTIFY_PENDING_SYSTEM_UPDATE, 6365 "Only the system update service can broadcast update information"); 6366 6367 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 6368 Slog.w(LOG_TAG, "Only the system update service in the primary user" + 6369 "can broadcast update information."); 6370 return; 6371 } 6372 Intent intent = new Intent(DeviceAdminReceiver.ACTION_NOTIFY_PENDING_SYSTEM_UPDATE); 6373 intent.putExtra(DeviceAdminReceiver.EXTRA_SYSTEM_UPDATE_RECEIVED_TIME, 6374 updateReceivedTime); 6375 6376 synchronized (this) { 6377 String deviceOwnerPackage = getDeviceOwner(); 6378 if (deviceOwnerPackage == null) { 6379 return; 6380 } 6381 6382 ActivityInfo[] receivers = null; 6383 try { 6384 receivers = mContext.getPackageManager().getPackageInfo( 6385 deviceOwnerPackage, PackageManager.GET_RECEIVERS).receivers; 6386 } catch (NameNotFoundException e) { 6387 Log.e(LOG_TAG, "Cannot find device owner package", e); 6388 } 6389 if (receivers != null) { 6390 long ident = Binder.clearCallingIdentity(); 6391 try { 6392 for (int i = 0; i < receivers.length; i++) { 6393 if (permission.BIND_DEVICE_ADMIN.equals(receivers[i].permission)) { 6394 intent.setComponent(new ComponentName(deviceOwnerPackage, 6395 receivers[i].name)); 6396 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 6397 } 6398 } 6399 } finally { 6400 Binder.restoreCallingIdentity(ident); 6401 } 6402 } 6403 } 6404 } 6405 6406 @Override 6407 public void setPermissionPolicy(ComponentName admin, int policy) throws RemoteException { 6408 int userId = UserHandle.getCallingUserId(); 6409 synchronized (this) { 6410 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6411 DevicePolicyData userPolicy = getUserData(userId); 6412 if (userPolicy.mPermissionPolicy != policy) { 6413 userPolicy.mPermissionPolicy = policy; 6414 saveSettingsLocked(userId); 6415 } 6416 } 6417 } 6418 6419 @Override 6420 public int getPermissionPolicy(ComponentName admin) throws RemoteException { 6421 int userId = UserHandle.getCallingUserId(); 6422 synchronized (this) { 6423 DevicePolicyData userPolicy = getUserData(userId); 6424 return userPolicy.mPermissionPolicy; 6425 } 6426 } 6427 6428 @Override 6429 public boolean setPermissionGrantState(ComponentName admin, String packageName, 6430 String permission, int grantState) throws RemoteException { 6431 UserHandle user = Binder.getCallingUserHandle(); 6432 synchronized (this) { 6433 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6434 long ident = Binder.clearCallingIdentity(); 6435 try { 6436 final ApplicationInfo ai = AppGlobals.getPackageManager() 6437 .getApplicationInfo(packageName, 0, user.getIdentifier()); 6438 final int targetSdkVersion = ai == null ? 0 : ai.targetSdkVersion; 6439 if (targetSdkVersion < android.os.Build.VERSION_CODES.M) { 6440 return false; 6441 } 6442 final PackageManager packageManager = mContext.getPackageManager(); 6443 switch (grantState) { 6444 case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: { 6445 packageManager.grantRuntimePermission(packageName, permission, user); 6446 packageManager.updatePermissionFlags(permission, packageName, 6447 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6448 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6449 } break; 6450 6451 case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: { 6452 packageManager.revokeRuntimePermission(packageName, 6453 permission, user); 6454 packageManager.updatePermissionFlags(permission, packageName, 6455 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 6456 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user); 6457 } break; 6458 6459 case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: { 6460 packageManager.updatePermissionFlags(permission, packageName, 6461 PackageManager.FLAG_PERMISSION_POLICY_FIXED, 0, user); 6462 } break; 6463 } 6464 return true; 6465 } catch (SecurityException se) { 6466 return false; 6467 } finally { 6468 Binder.restoreCallingIdentity(ident); 6469 } 6470 } 6471 } 6472 6473 @Override 6474 public int getPermissionGrantState(ComponentName admin, String packageName, 6475 String permission) throws RemoteException { 6476 PackageManager packageManager = mContext.getPackageManager(); 6477 6478 UserHandle user = Binder.getCallingUserHandle(); 6479 synchronized (this) { 6480 getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 6481 long ident = Binder.clearCallingIdentity(); 6482 try { 6483 int granted = AppGlobals.getPackageManager().checkPermission(permission, 6484 packageName, user.getIdentifier()); 6485 int permFlags = packageManager.getPermissionFlags(permission, packageName, user); 6486 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) 6487 != PackageManager.FLAG_PERMISSION_POLICY_FIXED) { 6488 // Not controlled by policy 6489 return DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT; 6490 } else { 6491 // Policy controlled so return result based on permission grant state 6492 return granted == PackageManager.PERMISSION_GRANTED 6493 ? DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED 6494 : DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED; 6495 } 6496 } finally { 6497 Binder.restoreCallingIdentity(ident); 6498 } 6499 } 6500 } 6501 } 6502
