DevicePolicyManagerService.java revision 729b2a6c2f330c10674bb3fc0c4f2eb57e3d0a43
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20 21import android.accessibilityservice.AccessibilityServiceInfo; 22import android.app.Activity; 23import android.app.ActivityManagerNative; 24import android.app.AlarmManager; 25import android.app.AppGlobals; 26import android.app.IActivityManager; 27import android.app.Notification; 28import android.app.NotificationManager; 29import android.app.PendingIntent; 30import android.app.admin.DeviceAdminInfo; 31import android.app.admin.DeviceAdminReceiver; 32import android.app.admin.DevicePolicyManager; 33import android.app.admin.DevicePolicyManagerInternal; 34import android.app.admin.IDevicePolicyManager; 35import android.content.BroadcastReceiver; 36import android.content.ComponentName; 37import android.content.ContentResolver; 38import android.content.Context; 39import android.content.Intent; 40import android.content.IntentFilter; 41import android.content.pm.ApplicationInfo; 42import android.content.pm.IPackageManager; 43import android.content.pm.PackageInfo; 44import android.content.pm.PackageManager; 45import android.content.pm.PackageManager.NameNotFoundException; 46import android.content.pm.ResolveInfo; 47import android.content.pm.UserInfo; 48import android.media.AudioManager; 49import android.media.IAudioService; 50import android.net.ConnectivityManager; 51import android.net.Uri; 52import android.database.ContentObserver; 53import android.hardware.usb.UsbManager; 54import android.net.ProxyInfo; 55import android.os.Binder; 56import android.os.Bundle; 57import android.os.Environment; 58import android.os.Handler; 59import android.os.IBinder; 60import android.os.IPowerManager; 61import android.os.PowerManager; 62import android.os.Process; 63import android.os.RecoverySystem; 64import android.os.RemoteCallback; 65import android.os.RemoteException; 66import android.os.ServiceManager; 67import android.os.SystemClock; 68import android.os.SystemProperties; 69import android.os.UserHandle; 70import android.os.UserManager; 71import android.provider.Settings; 72import android.security.Credentials; 73import android.security.IKeyChainService; 74import android.security.KeyChain; 75import android.security.KeyChain.KeyChainConnection; 76import android.util.Log; 77import android.util.PrintWriterPrinter; 78import android.util.Printer; 79import android.util.Slog; 80import android.util.SparseArray; 81import android.util.Xml; 82import android.view.accessibility.AccessibilityManager; 83import android.view.accessibility.IAccessibilityManager; 84import android.view.inputmethod.InputMethodInfo; 85import android.view.inputmethod.InputMethodManager; 86import android.view.IWindowManager; 87 88import com.android.internal.R; 89import com.android.internal.os.storage.ExternalStorageFormatter; 90import com.android.internal.util.FastXmlSerializer; 91import com.android.internal.util.JournaledFile; 92import com.android.internal.util.XmlUtils; 93import com.android.internal.widget.LockPatternUtils; 94import com.android.org.conscrypt.TrustedCertificateStore; 95import com.android.server.LocalServices; 96import com.android.server.SystemService; 97 98import org.xmlpull.v1.XmlPullParser; 99 100import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 101import static org.xmlpull.v1.XmlPullParser.END_TAG; 102import static org.xmlpull.v1.XmlPullParser.TEXT; 103 104import org.xmlpull.v1.XmlPullParserException; 105import org.xmlpull.v1.XmlSerializer; 106 107import java.io.ByteArrayInputStream; 108import java.io.File; 109import java.io.FileDescriptor; 110import java.io.FileInputStream; 111import java.io.FileNotFoundException; 112import java.io.FileOutputStream; 113import java.io.IOException; 114import java.io.PrintWriter; 115import java.security.cert.CertificateException; 116import java.security.cert.CertificateFactory; 117import java.security.cert.X509Certificate; 118import java.text.DateFormat; 119import java.util.ArrayList; 120import java.util.Collections; 121import java.util.Date; 122import java.util.HashMap; 123import java.util.HashSet; 124import java.util.List; 125import java.util.Map.Entry; 126import java.util.Set; 127 128/** 129 * Implementation of the device policy APIs. 130 */ 131public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 132 133 private static final String LOG_TAG = "DevicePolicyManagerService"; 134 135 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 136 137 private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; 138 139 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 140 141 private static final long MS_PER_DAY = 86400 * 1000; 142 143 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 144 145 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 146 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 147 148 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 149 150 private static final boolean DBG = false; 151 152 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 153 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 154 155 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 156 static { 157 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 158 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 159 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 160 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 161 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 162 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 163 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 164 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 165 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 166 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 167 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 168 } 169 170 private static final Set<String> SECURE_SETTINGS_WHITELIST; 171 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 172 static { 173 SECURE_SETTINGS_WHITELIST = new HashSet(); 174 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 175 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 176 177 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 178 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 179 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 180 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 181 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.BLUETOOTH_ON); 182 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 183 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 184 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 185 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 186 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 187 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_ON); 188 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 189 } 190 191 final Context mContext; 192 final UserManager mUserManager; 193 final PowerManager.WakeLock mWakeLock; 194 195 final LocalService mLocalService; 196 197 IPowerManager mIPowerManager; 198 IWindowManager mIWindowManager; 199 NotificationManager mNotificationManager; 200 201 // Stores and loads state on device and profile owners. 202 private DeviceOwner mDeviceOwner; 203 204 /** 205 * Whether or not device admin feature is supported. If it isn't return defaults for all 206 * public methods. 207 */ 208 private boolean mHasFeature; 209 210 public static final class Lifecycle extends SystemService { 211 private DevicePolicyManagerService mService; 212 213 public Lifecycle(Context context) { 214 super(context); 215 mService = new DevicePolicyManagerService(context); 216 } 217 218 @Override 219 public void onStart() { 220 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 221 } 222 223 @Override 224 public void onBootPhase(int phase) { 225 if (phase == PHASE_LOCK_SETTINGS_READY) { 226 mService.systemReady(); 227 } 228 } 229 } 230 231 public static class DevicePolicyData { 232 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 233 int mActivePasswordLength = 0; 234 int mActivePasswordUpperCase = 0; 235 int mActivePasswordLowerCase = 0; 236 int mActivePasswordLetters = 0; 237 int mActivePasswordNumeric = 0; 238 int mActivePasswordSymbols = 0; 239 int mActivePasswordNonLetter = 0; 240 int mFailedPasswordAttempts = 0; 241 242 int mUserHandle; 243 int mPasswordOwner = -1; 244 long mLastMaximumTimeToLock = -1; 245 boolean mUserSetupComplete = false; 246 247 final HashMap<ComponentName, ActiveAdmin> mAdminMap 248 = new HashMap<ComponentName, ActiveAdmin>(); 249 final ArrayList<ActiveAdmin> mAdminList 250 = new ArrayList<ActiveAdmin>(); 251 252 // This is the list of component allowed to start lock task mode. 253 final List<String> mLockTaskPackages = new ArrayList<String>(); 254 255 ComponentName mRestrictionsProvider; 256 257 public DevicePolicyData(int userHandle) { 258 mUserHandle = userHandle; 259 } 260 } 261 262 final SparseArray<DevicePolicyData> mUserData = new SparseArray<DevicePolicyData>(); 263 264 Handler mHandler = new Handler(); 265 266 BroadcastReceiver mReceiver = new BroadcastReceiver() { 267 @Override 268 public void onReceive(Context context, Intent intent) { 269 final String action = intent.getAction(); 270 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 271 getSendingUserId()); 272 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 273 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 274 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 275 + action + " for user " + userHandle); 276 mHandler.post(new Runnable() { 277 public void run() { 278 handlePasswordExpirationNotification(userHandle); 279 } 280 }); 281 } 282 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 283 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 284 manageMonitoringCertificateNotification(intent); 285 } 286 if (Intent.ACTION_USER_REMOVED.equals(action)) { 287 removeUserData(userHandle); 288 } else if (Intent.ACTION_USER_STARTED.equals(action) 289 || Intent.ACTION_PACKAGE_CHANGED.equals(action) 290 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 291 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 292 293 if (Intent.ACTION_USER_STARTED.equals(action)) { 294 // Reset the policy data 295 synchronized (DevicePolicyManagerService.this) { 296 mUserData.remove(userHandle); 297 } 298 } 299 300 handlePackagesChanged(userHandle); 301 } 302 } 303 }; 304 305 static class ActiveAdmin { 306 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 307 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 308 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 309 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 310 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 311 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 312 private static final String TAG_ACCOUNT_TYPE = "account-type"; 313 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 314 = "permitted-accessiblity-services"; 315 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 316 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 317 private static final String TAG_TRUST_AGENT_FEATURE = "feature"; 318 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 319 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 320 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 321 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 322 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 323 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 324 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 325 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 326 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 327 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 328 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 329 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 330 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 331 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 332 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 333 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 334 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 335 private static final String ATTR_VALUE = "value"; 336 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 337 private static final String TAG_POLICIES = "policies"; 338 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 339 "cross-profile-widget-providers"; 340 private static final String TAG_PROVIDER = "provider"; 341 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 342 343 final DeviceAdminInfo info; 344 345 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 346 347 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 348 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 349 350 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 351 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 352 353 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 354 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 355 356 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 357 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 358 359 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 360 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 361 362 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 363 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 364 365 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 366 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 367 368 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 369 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 370 371 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 372 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 373 374 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 375 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 376 377 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 378 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 379 380 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 381 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 382 383 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 384 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 385 386 boolean encryptionRequested = false; 387 boolean disableCamera = false; 388 boolean disableCallerId = false; 389 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 390 boolean requireAutoTime = false; // Can only be set by a device owner. 391 392 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 393 394 // The list of permitted accessibility services package namesas set by a profile 395 // or device owner. Null means all accessibility services are allowed, empty means 396 // none except system services are allowed. 397 List<String> permittedAccessiblityServices; 398 399 // The list of permitted input methods package names as set by a profile or device owner. 400 // Null means all input methods are allowed, empty means none except system imes are 401 // allowed. 402 List<String> permittedInputMethods; 403 404 // TODO: review implementation decisions with frameworks team 405 boolean specifiesGlobalProxy = false; 406 String globalProxySpec = null; 407 String globalProxyExclusionList = null; 408 HashMap<String, List<String>> trustAgentFeatures = new HashMap<String, List<String>>(); 409 410 List<String> crossProfileWidgetProviders; 411 412 ActiveAdmin(DeviceAdminInfo _info) { 413 info = _info; 414 } 415 416 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 417 418 public UserHandle getUserHandle() { 419 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 420 } 421 422 void writeToXml(XmlSerializer out) 423 throws IllegalArgumentException, IllegalStateException, IOException { 424 out.startTag(null, TAG_POLICIES); 425 info.writePoliciesToXml(out); 426 out.endTag(null, TAG_POLICIES); 427 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 428 out.startTag(null, TAG_PASSWORD_QUALITY); 429 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 430 out.endTag(null, TAG_PASSWORD_QUALITY); 431 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 432 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 433 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 434 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 435 } 436 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 437 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 438 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 439 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 440 } 441 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 442 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 443 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 444 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 445 } 446 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 447 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 448 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 449 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 450 } 451 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 452 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 453 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 454 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 455 } 456 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 457 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 458 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 459 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 460 } 461 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 462 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 463 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 464 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 465 } 466 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 467 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 468 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 469 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 470 } 471 } 472 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 473 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 474 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 475 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 476 } 477 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 478 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 479 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 480 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 481 } 482 if (specifiesGlobalProxy) { 483 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 484 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 485 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 486 if (globalProxySpec != null) { 487 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 488 out.attribute(null, ATTR_VALUE, globalProxySpec); 489 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 490 } 491 if (globalProxyExclusionList != null) { 492 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 493 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 494 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 495 } 496 } 497 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 498 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 499 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 500 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 501 } 502 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 503 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 504 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 505 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 506 } 507 if (encryptionRequested) { 508 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 509 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 510 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 511 } 512 if (disableCamera) { 513 out.startTag(null, TAG_DISABLE_CAMERA); 514 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 515 out.endTag(null, TAG_DISABLE_CAMERA); 516 } 517 if (disableCallerId) { 518 out.startTag(null, TAG_DISABLE_CALLER_ID); 519 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 520 out.endTag(null, TAG_DISABLE_CALLER_ID); 521 } 522 if (disableScreenCapture) { 523 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 524 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 525 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 526 } 527 if (requireAutoTime) { 528 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 529 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 530 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 531 } 532 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 533 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 534 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 535 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 536 } 537 if (!accountTypesWithManagementDisabled.isEmpty()) { 538 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 539 for (String ac : accountTypesWithManagementDisabled) { 540 out.startTag(null, TAG_ACCOUNT_TYPE); 541 out.attribute(null, ATTR_VALUE, ac); 542 out.endTag(null, TAG_ACCOUNT_TYPE); 543 } 544 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 545 } 546 if (!trustAgentFeatures.isEmpty()) { 547 Set<Entry<String, List<String>>> set = trustAgentFeatures.entrySet(); 548 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 549 for (Entry<String, List<String>> component : set) { 550 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 551 out.attribute(null, ATTR_VALUE, component.getKey()); 552 for (String feature : component.getValue()) { 553 out.startTag(null, TAG_TRUST_AGENT_FEATURE); 554 out.attribute(null, ATTR_VALUE, feature); 555 out.endTag(null, TAG_TRUST_AGENT_FEATURE); 556 } 557 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 558 } 559 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 560 } 561 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 562 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 563 final int providerCount = crossProfileWidgetProviders.size(); 564 for (int i = 0; i < providerCount; i++) { 565 String provider = crossProfileWidgetProviders.get(i); 566 out.startTag(null, TAG_PROVIDER); 567 out.attribute(null, ATTR_VALUE, provider); 568 out.endTag(null, TAG_PROVIDER); 569 } 570 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 571 } 572 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 573 permittedAccessiblityServices); 574 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 575 } 576 577 void writePackageListToXml(XmlSerializer out, String outerTag, 578 List<String> packageList) 579 throws IllegalArgumentException, IllegalStateException, IOException { 580 if (packageList == null) { 581 return; 582 } 583 584 out.startTag(null, outerTag); 585 for (String packageName : packageList) { 586 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 587 out.attribute(null, ATTR_VALUE, packageName); 588 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 589 } 590 out.endTag(null, outerTag); 591 } 592 593 void readFromXml(XmlPullParser parser) 594 throws XmlPullParserException, IOException { 595 int outerDepth = parser.getDepth(); 596 int type; 597 while ((type=parser.next()) != END_DOCUMENT 598 && (type != END_TAG || parser.getDepth() > outerDepth)) { 599 if (type == END_TAG || type == TEXT) { 600 continue; 601 } 602 String tag = parser.getName(); 603 if (TAG_POLICIES.equals(tag)) { 604 info.readPoliciesFromXml(parser); 605 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 606 passwordQuality = Integer.parseInt( 607 parser.getAttributeValue(null, ATTR_VALUE)); 608 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 609 minimumPasswordLength = Integer.parseInt( 610 parser.getAttributeValue(null, ATTR_VALUE)); 611 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 612 passwordHistoryLength = Integer.parseInt( 613 parser.getAttributeValue(null, ATTR_VALUE)); 614 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 615 minimumPasswordUpperCase = Integer.parseInt( 616 parser.getAttributeValue(null, ATTR_VALUE)); 617 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 618 minimumPasswordLowerCase = Integer.parseInt( 619 parser.getAttributeValue(null, ATTR_VALUE)); 620 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 621 minimumPasswordLetters = Integer.parseInt( 622 parser.getAttributeValue(null, ATTR_VALUE)); 623 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 624 minimumPasswordNumeric = Integer.parseInt( 625 parser.getAttributeValue(null, ATTR_VALUE)); 626 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 627 minimumPasswordSymbols = Integer.parseInt( 628 parser.getAttributeValue(null, ATTR_VALUE)); 629 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 630 minimumPasswordNonLetter = Integer.parseInt( 631 parser.getAttributeValue(null, ATTR_VALUE)); 632 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 633 maximumTimeToUnlock = Long.parseLong( 634 parser.getAttributeValue(null, ATTR_VALUE)); 635 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 636 maximumFailedPasswordsForWipe = Integer.parseInt( 637 parser.getAttributeValue(null, ATTR_VALUE)); 638 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 639 specifiesGlobalProxy = Boolean.parseBoolean( 640 parser.getAttributeValue(null, ATTR_VALUE)); 641 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 642 globalProxySpec = 643 parser.getAttributeValue(null, ATTR_VALUE); 644 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 645 globalProxyExclusionList = 646 parser.getAttributeValue(null, ATTR_VALUE); 647 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 648 passwordExpirationTimeout = Long.parseLong( 649 parser.getAttributeValue(null, ATTR_VALUE)); 650 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 651 passwordExpirationDate = Long.parseLong( 652 parser.getAttributeValue(null, ATTR_VALUE)); 653 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 654 encryptionRequested = Boolean.parseBoolean( 655 parser.getAttributeValue(null, ATTR_VALUE)); 656 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 657 disableCamera = Boolean.parseBoolean( 658 parser.getAttributeValue(null, ATTR_VALUE)); 659 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 660 disableCallerId = Boolean.parseBoolean( 661 parser.getAttributeValue(null, ATTR_VALUE)); 662 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 663 disableScreenCapture = Boolean.parseBoolean( 664 parser.getAttributeValue(null, ATTR_VALUE)); 665 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 666 requireAutoTime= Boolean.parseBoolean( 667 parser.getAttributeValue(null, ATTR_VALUE)); 668 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 669 disabledKeyguardFeatures = Integer.parseInt( 670 parser.getAttributeValue(null, ATTR_VALUE)); 671 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 672 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 673 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 674 trustAgentFeatures = getAllTrustAgentFeatures(parser, tag); 675 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 676 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 677 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 678 permittedAccessiblityServices = readPackageList(parser, tag); 679 } else if (TAG_PERMITTED_IMES.equals(tag)) { 680 permittedInputMethods = readPackageList(parser, tag); 681 } else { 682 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 683 } 684 XmlUtils.skipCurrentTag(parser); 685 } 686 } 687 688 private List<String> readPackageList(XmlPullParser parser, 689 String tag) throws XmlPullParserException, IOException { 690 List<String> result = new ArrayList<String>(); 691 int outerDepth = parser.getDepth(); 692 int outerType; 693 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 694 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 695 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 696 continue; 697 } 698 String outerTag = parser.getName(); 699 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 700 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 701 if (packageName != null) { 702 result.add(packageName); 703 } else { 704 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 705 } 706 } else { 707 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 708 } 709 } 710 return result; 711 } 712 713 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 714 throws XmlPullParserException, IOException { 715 int outerDepthDAM = parser.getDepth(); 716 int typeDAM; 717 Set<String> result = new HashSet<String>(); 718 while ((typeDAM=parser.next()) != END_DOCUMENT 719 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 720 if (typeDAM == END_TAG || typeDAM == TEXT) { 721 continue; 722 } 723 String tagDAM = parser.getName(); 724 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 725 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 726 } else { 727 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 728 } 729 } 730 return result; 731 } 732 733 private HashMap<String, List<String>> getAllTrustAgentFeatures(XmlPullParser parser, 734 String tag) throws XmlPullParserException, IOException { 735 int outerDepthDAM = parser.getDepth(); 736 int typeDAM; 737 HashMap<String, List<String>> result = new HashMap<String, List<String>>(); 738 while ((typeDAM=parser.next()) != END_DOCUMENT 739 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 740 if (typeDAM == END_TAG || typeDAM == TEXT) { 741 continue; 742 } 743 String tagDAM = parser.getName(); 744 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 745 final String component = parser.getAttributeValue(null, ATTR_VALUE); 746 result.put(component, getTrustAgentFeatures(parser, tag)); 747 } else { 748 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 749 } 750 } 751 return result; 752 } 753 754 private List<String> getTrustAgentFeatures(XmlPullParser parser, String tag) 755 throws XmlPullParserException, IOException { 756 int outerDepthDAM = parser.getDepth(); 757 int typeDAM; 758 ArrayList<String> result = new ArrayList<String>(); 759 while ((typeDAM=parser.next()) != END_DOCUMENT 760 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 761 if (typeDAM == END_TAG || typeDAM == TEXT) { 762 continue; 763 } 764 String tagDAM = parser.getName(); 765 if (TAG_TRUST_AGENT_FEATURE.equals(tagDAM)) { 766 final String feature = parser.getAttributeValue(null, ATTR_VALUE); 767 result.add(feature); 768 } else { 769 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 770 } 771 } 772 return result; 773 } 774 775 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 776 throws XmlPullParserException, IOException { 777 int outerDepthDAM = parser.getDepth(); 778 int typeDAM; 779 ArrayList<String> result = null; 780 while ((typeDAM=parser.next()) != END_DOCUMENT 781 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 782 if (typeDAM == END_TAG || typeDAM == TEXT) { 783 continue; 784 } 785 String tagDAM = parser.getName(); 786 if (TAG_PROVIDER.equals(tagDAM)) { 787 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 788 if (result == null) { 789 result = new ArrayList<>(); 790 } 791 result.add(provider); 792 } else { 793 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 794 } 795 } 796 return result; 797 } 798 799 void dump(String prefix, PrintWriter pw) { 800 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 801 pw.print(prefix); pw.println("policies:"); 802 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 803 if (pols != null) { 804 for (int i=0; i<pols.size(); i++) { 805 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 806 } 807 } 808 pw.print(prefix); pw.print("passwordQuality=0x"); 809 pw.println(Integer.toHexString(passwordQuality)); 810 pw.print(prefix); pw.print("minimumPasswordLength="); 811 pw.println(minimumPasswordLength); 812 pw.print(prefix); pw.print("passwordHistoryLength="); 813 pw.println(passwordHistoryLength); 814 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 815 pw.println(minimumPasswordUpperCase); 816 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 817 pw.println(minimumPasswordLowerCase); 818 pw.print(prefix); pw.print("minimumPasswordLetters="); 819 pw.println(minimumPasswordLetters); 820 pw.print(prefix); pw.print("minimumPasswordNumeric="); 821 pw.println(minimumPasswordNumeric); 822 pw.print(prefix); pw.print("minimumPasswordSymbols="); 823 pw.println(minimumPasswordSymbols); 824 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 825 pw.println(minimumPasswordNonLetter); 826 pw.print(prefix); pw.print("maximumTimeToUnlock="); 827 pw.println(maximumTimeToUnlock); 828 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 829 pw.println(maximumFailedPasswordsForWipe); 830 pw.print(prefix); pw.print("specifiesGlobalProxy="); 831 pw.println(specifiesGlobalProxy); 832 pw.print(prefix); pw.print("passwordExpirationTimeout="); 833 pw.println(passwordExpirationTimeout); 834 pw.print(prefix); pw.print("passwordExpirationDate="); 835 pw.println(passwordExpirationDate); 836 if (globalProxySpec != null) { 837 pw.print(prefix); pw.print("globalProxySpec="); 838 pw.println(globalProxySpec); 839 } 840 if (globalProxyExclusionList != null) { 841 pw.print(prefix); pw.print("globalProxyEclusionList="); 842 pw.println(globalProxyExclusionList); 843 } 844 pw.print(prefix); pw.print("encryptionRequested="); 845 pw.println(encryptionRequested); 846 pw.print(prefix); pw.print("disableCamera="); 847 pw.println(disableCamera); 848 pw.print(prefix); pw.print("disableCallerId="); 849 pw.println(disableCallerId); 850 pw.print(prefix); pw.print("disableScreenCapture="); 851 pw.println(disableScreenCapture); 852 pw.print(prefix); pw.print("requireAutoTime="); 853 pw.println(requireAutoTime); 854 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 855 pw.println(disabledKeyguardFeatures); 856 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 857 pw.println(crossProfileWidgetProviders); 858 if (!(permittedAccessiblityServices == null)) { 859 pw.print(prefix); pw.print("permittedAccessibilityServices="); 860 pw.println(permittedAccessiblityServices.toString()); 861 } 862 if (!(permittedInputMethods == null)) { 863 pw.print(prefix); pw.print("permittedInputMethods="); 864 pw.println(permittedInputMethods.toString()); 865 } 866 } 867 } 868 869 private void handlePackagesChanged(int userHandle) { 870 boolean removed = false; 871 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 872 DevicePolicyData policy = getUserData(userHandle); 873 IPackageManager pm = AppGlobals.getPackageManager(); 874 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 875 ActiveAdmin aa = policy.mAdminList.get(i); 876 try { 877 if (pm.getPackageInfo(aa.info.getPackageName(), 0, userHandle) == null 878 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) == null) { 879 removed = true; 880 policy.mAdminList.remove(i); 881 policy.mAdminMap.remove(aa.info.getComponent()); 882 } 883 } catch (RemoteException re) { 884 // Shouldn't happen 885 } 886 } 887 if (removed) { 888 validatePasswordOwnerLocked(policy); 889 syncDeviceCapabilitiesLocked(policy); 890 saveSettingsLocked(policy.mUserHandle); 891 } 892 } 893 894 /** 895 * Instantiates the service. 896 */ 897 public DevicePolicyManagerService(Context context) { 898 mContext = context; 899 mUserManager = UserManager.get(mContext); 900 mHasFeature = context.getPackageManager().hasSystemFeature( 901 PackageManager.FEATURE_DEVICE_ADMIN); 902 mWakeLock = ((PowerManager)context.getSystemService(Context.POWER_SERVICE)) 903 .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 904 mLocalService = new LocalService(); 905 if (!mHasFeature) { 906 // Skip the rest of the initialization 907 return; 908 } 909 IntentFilter filter = new IntentFilter(); 910 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 911 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 912 filter.addAction(Intent.ACTION_USER_REMOVED); 913 filter.addAction(Intent.ACTION_USER_STARTED); 914 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 915 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 916 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 917 filter = new IntentFilter(); 918 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 919 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 920 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 921 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 922 filter.addDataScheme("package"); 923 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 924 925 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 926 } 927 928 /** 929 * Creates and loads the policy data from xml. 930 * @param userHandle the user for whom to load the policy data 931 * @return 932 */ 933 DevicePolicyData getUserData(int userHandle) { 934 synchronized (this) { 935 DevicePolicyData policy = mUserData.get(userHandle); 936 if (policy == null) { 937 policy = new DevicePolicyData(userHandle); 938 mUserData.append(userHandle, policy); 939 loadSettingsLocked(policy, userHandle); 940 } 941 return policy; 942 } 943 } 944 945 void removeUserData(int userHandle) { 946 synchronized (this) { 947 if (userHandle == UserHandle.USER_OWNER) { 948 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 949 return; 950 } 951 if (mDeviceOwner != null) { 952 mDeviceOwner.removeProfileOwner(userHandle); 953 mDeviceOwner.writeOwnerFile(); 954 } 955 956 DevicePolicyData policy = mUserData.get(userHandle); 957 if (policy != null) { 958 mUserData.remove(userHandle); 959 } 960 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 961 DEVICE_POLICIES_XML); 962 policyFile.delete(); 963 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 964 } 965 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 966 } 967 968 void loadDeviceOwner() { 969 synchronized (this) { 970 mDeviceOwner = DeviceOwner.load(); 971 } 972 } 973 974 /** 975 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 976 * reminders. Clears alarm if no expirations are configured. 977 */ 978 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 979 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 980 final long now = System.currentTimeMillis(); 981 final long timeToExpire = expiration - now; 982 final long alarmTime; 983 if (expiration == 0) { 984 // No expirations are currently configured: Cancel alarm. 985 alarmTime = 0; 986 } else if (timeToExpire <= 0) { 987 // The password has already expired: Repeat every 24 hours. 988 alarmTime = now + MS_PER_DAY; 989 } else { 990 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 991 // the expiration time. 992 long alarmInterval = timeToExpire % MS_PER_DAY; 993 if (alarmInterval == 0) { 994 alarmInterval = MS_PER_DAY; 995 } 996 alarmTime = now + alarmInterval; 997 } 998 999 long token = Binder.clearCallingIdentity(); 1000 try { 1001 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1002 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1003 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1004 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1005 new UserHandle(policy.mUserHandle)); 1006 am.cancel(pi); 1007 if (alarmTime != 0) { 1008 am.set(AlarmManager.RTC, alarmTime, pi); 1009 } 1010 } finally { 1011 Binder.restoreCallingIdentity(token); 1012 } 1013 } 1014 1015 private IPowerManager getIPowerManager() { 1016 if (mIPowerManager == null) { 1017 IBinder b = ServiceManager.getService(Context.POWER_SERVICE); 1018 mIPowerManager = IPowerManager.Stub.asInterface(b); 1019 } 1020 return mIPowerManager; 1021 } 1022 1023 private IWindowManager getWindowManager() { 1024 if (mIWindowManager == null) { 1025 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1026 mIWindowManager = IWindowManager.Stub.asInterface(b); 1027 } 1028 return mIWindowManager; 1029 } 1030 1031 private NotificationManager getNotificationManager() { 1032 if (mNotificationManager == null) { 1033 mNotificationManager = 1034 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1035 } 1036 return mNotificationManager; 1037 } 1038 1039 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1040 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1041 if (admin != null 1042 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1043 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1044 return admin; 1045 } 1046 return null; 1047 } 1048 1049 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1050 throws SecurityException { 1051 final int callingUid = Binder.getCallingUid(); 1052 final int userHandle = UserHandle.getUserId(callingUid); 1053 final DevicePolicyData policy = getUserData(userHandle); 1054 1055 List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>(); 1056 1057 // Build a list of admins for this uid matching the given ComponentName 1058 if (who != null) { 1059 ActiveAdmin admin = policy.mAdminMap.get(who); 1060 if (admin == null) { 1061 throw new SecurityException("No active admin " + who); 1062 } 1063 if (admin.getUid() != callingUid) { 1064 throw new SecurityException("Admin " + who + " is not owned by uid " 1065 + Binder.getCallingUid()); 1066 } 1067 candidates.add(admin); 1068 } else { 1069 for (ActiveAdmin admin : policy.mAdminList) { 1070 if (admin.getUid() == callingUid) { 1071 candidates.add(admin); 1072 } 1073 } 1074 } 1075 1076 // Try to find an admin which can use reqPolicy 1077 for (ActiveAdmin admin : candidates) { 1078 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1079 boolean ownsProfile = (getProfileOwner(userHandle) != null 1080 && getProfileOwner(userHandle).getPackageName() 1081 .equals(admin.info.getPackageName())); 1082 1083 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1084 if (ownsDevice) { 1085 return admin; 1086 } 1087 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1088 if (ownsDevice || ownsProfile) { 1089 return admin; 1090 } 1091 } else { 1092 if (admin.info.usesPolicy(reqPolicy)) { 1093 return admin; 1094 } 1095 } 1096 } 1097 1098 if (who != null) { 1099 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1100 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1101 + " does not own the device"); 1102 } 1103 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1104 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1105 + " does not own the profile"); 1106 } 1107 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1108 + " did not specify uses-policy for: " 1109 + candidates.get(0).info.getTagForPolicy(reqPolicy)); 1110 } else { 1111 throw new SecurityException("No active admin owned by uid " 1112 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1113 } 1114 } 1115 1116 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1117 sendAdminCommandLocked(admin, action, null); 1118 } 1119 1120 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1121 sendAdminCommandLocked(admin, action, null, result); 1122 } 1123 1124 /** 1125 * Send an update to one specific admin, get notified when that admin returns a result. 1126 */ 1127 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1128 BroadcastReceiver result) { 1129 Intent intent = new Intent(action); 1130 intent.setComponent(admin.info.getComponent()); 1131 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1132 intent.putExtra("expiration", admin.passwordExpirationDate); 1133 } 1134 if (adminExtras != null) { 1135 intent.putExtras(adminExtras); 1136 } 1137 if (result != null) { 1138 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1139 null, result, mHandler, Activity.RESULT_OK, null, null); 1140 } else { 1141 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1142 } 1143 } 1144 1145 /** 1146 * Send an update to all admins of a user that enforce a specified policy. 1147 */ 1148 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1149 final DevicePolicyData policy = getUserData(userHandle); 1150 final int count = policy.mAdminList.size(); 1151 if (count > 0) { 1152 for (int i = 0; i < count; i++) { 1153 final ActiveAdmin admin = policy.mAdminList.get(i); 1154 if (admin.info.usesPolicy(reqPolicy)) { 1155 sendAdminCommandLocked(admin, action); 1156 } 1157 } 1158 } 1159 } 1160 1161 /** 1162 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1163 * enforce a specified policy. 1164 */ 1165 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1166 int userHandle) { 1167 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1168 for (UserInfo ui : profiles) { 1169 int id = ui.getUserHandle().getIdentifier(); 1170 sendAdminCommandLocked(action, reqPolicy, id); 1171 } 1172 } 1173 1174 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1175 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1176 if (admin != null) { 1177 sendAdminCommandLocked(admin, 1178 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1179 new BroadcastReceiver() { 1180 @Override 1181 public void onReceive(Context context, Intent intent) { 1182 synchronized (DevicePolicyManagerService.this) { 1183 int userHandle = admin.getUserHandle().getIdentifier(); 1184 DevicePolicyData policy = getUserData(userHandle); 1185 boolean doProxyCleanup = admin.info.usesPolicy( 1186 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1187 policy.mAdminList.remove(admin); 1188 policy.mAdminMap.remove(adminReceiver); 1189 validatePasswordOwnerLocked(policy); 1190 syncDeviceCapabilitiesLocked(policy); 1191 if (doProxyCleanup) { 1192 resetGlobalProxyLocked(getUserData(userHandle)); 1193 } 1194 saveSettingsLocked(userHandle); 1195 updateMaximumTimeToLockLocked(policy); 1196 } 1197 } 1198 }); 1199 } 1200 } 1201 1202 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1203 if (!mHasFeature) { 1204 return null; 1205 } 1206 enforceCrossUserPermission(userHandle); 1207 Intent resolveIntent = new Intent(); 1208 resolveIntent.setComponent(adminName); 1209 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1210 resolveIntent, 1211 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1212 userHandle); 1213 if (infos == null || infos.size() <= 0) { 1214 throw new IllegalArgumentException("Unknown admin: " + adminName); 1215 } 1216 1217 try { 1218 return new DeviceAdminInfo(mContext, infos.get(0)); 1219 } catch (XmlPullParserException e) { 1220 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1221 e); 1222 return null; 1223 } catch (IOException e) { 1224 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1225 e); 1226 return null; 1227 } 1228 } 1229 1230 private static JournaledFile makeJournaledFile(int userHandle) { 1231 final String base = userHandle == 0 1232 ? "/data/system/" + DEVICE_POLICIES_XML 1233 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1234 .getAbsolutePath(); 1235 return new JournaledFile(new File(base), new File(base + ".tmp")); 1236 } 1237 1238 private void saveSettingsLocked(int userHandle) { 1239 DevicePolicyData policy = getUserData(userHandle); 1240 JournaledFile journal = makeJournaledFile(userHandle); 1241 FileOutputStream stream = null; 1242 try { 1243 stream = new FileOutputStream(journal.chooseForWrite(), false); 1244 XmlSerializer out = new FastXmlSerializer(); 1245 out.setOutput(stream, "utf-8"); 1246 out.startDocument(null, true); 1247 1248 out.startTag(null, "policies"); 1249 if (policy.mRestrictionsProvider != null) { 1250 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1251 policy.mRestrictionsProvider.flattenToString()); 1252 } 1253 if (policy.mUserSetupComplete) { 1254 out.attribute(null, ATTR_SETUP_COMPLETE, 1255 Boolean.toString(true)); 1256 } 1257 1258 final int N = policy.mAdminList.size(); 1259 for (int i=0; i<N; i++) { 1260 ActiveAdmin ap = policy.mAdminList.get(i); 1261 if (ap != null) { 1262 out.startTag(null, "admin"); 1263 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1264 ap.writeToXml(out); 1265 out.endTag(null, "admin"); 1266 } 1267 } 1268 1269 if (policy.mPasswordOwner >= 0) { 1270 out.startTag(null, "password-owner"); 1271 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1272 out.endTag(null, "password-owner"); 1273 } 1274 1275 if (policy.mFailedPasswordAttempts != 0) { 1276 out.startTag(null, "failed-password-attempts"); 1277 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1278 out.endTag(null, "failed-password-attempts"); 1279 } 1280 1281 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1282 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1283 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1284 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1285 out.startTag(null, "active-password"); 1286 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1287 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1288 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1289 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1290 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1291 out.attribute(null, "numeric", Integer 1292 .toString(policy.mActivePasswordNumeric)); 1293 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1294 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1295 out.endTag(null, "active-password"); 1296 } 1297 1298 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1299 String component = policy.mLockTaskPackages.get(i); 1300 out.startTag(null, LOCK_TASK_COMPONENTS_XML); 1301 out.attribute(null, "name", component); 1302 out.endTag(null, LOCK_TASK_COMPONENTS_XML); 1303 } 1304 1305 out.endTag(null, "policies"); 1306 1307 out.endDocument(); 1308 stream.close(); 1309 journal.commit(); 1310 sendChangedNotification(userHandle); 1311 } catch (IOException e) { 1312 try { 1313 if (stream != null) { 1314 stream.close(); 1315 } 1316 } catch (IOException ex) { 1317 // Ignore 1318 } 1319 journal.rollback(); 1320 } 1321 } 1322 1323 private void sendChangedNotification(int userHandle) { 1324 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1325 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1326 long ident = Binder.clearCallingIdentity(); 1327 try { 1328 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1329 } finally { 1330 Binder.restoreCallingIdentity(ident); 1331 } 1332 } 1333 1334 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1335 JournaledFile journal = makeJournaledFile(userHandle); 1336 FileInputStream stream = null; 1337 File file = journal.chooseForRead(); 1338 try { 1339 stream = new FileInputStream(file); 1340 XmlPullParser parser = Xml.newPullParser(); 1341 parser.setInput(stream, null); 1342 1343 int type; 1344 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1345 && type != XmlPullParser.START_TAG) { 1346 } 1347 String tag = parser.getName(); 1348 if (!"policies".equals(tag)) { 1349 throw new XmlPullParserException( 1350 "Settings do not start with policies tag: found " + tag); 1351 } 1352 1353 // Extract the permission provider component name if available 1354 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1355 if (permissionProvider != null) { 1356 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1357 } 1358 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1359 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1360 policy.mUserSetupComplete = true; 1361 } 1362 1363 type = parser.next(); 1364 int outerDepth = parser.getDepth(); 1365 policy.mLockTaskPackages.clear(); 1366 policy.mAdminList.clear(); 1367 policy.mAdminMap.clear(); 1368 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1369 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1370 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1371 continue; 1372 } 1373 tag = parser.getName(); 1374 if ("admin".equals(tag)) { 1375 String name = parser.getAttributeValue(null, "name"); 1376 try { 1377 DeviceAdminInfo dai = findAdmin( 1378 ComponentName.unflattenFromString(name), userHandle); 1379 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1380 != userHandle)) { 1381 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1382 + dai.getActivityInfo().applicationInfo.uid + " for user " 1383 + userHandle); 1384 } 1385 if (dai != null) { 1386 ActiveAdmin ap = new ActiveAdmin(dai); 1387 ap.readFromXml(parser); 1388 policy.mAdminMap.put(ap.info.getComponent(), ap); 1389 } 1390 } catch (RuntimeException e) { 1391 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1392 } 1393 } else if ("failed-password-attempts".equals(tag)) { 1394 policy.mFailedPasswordAttempts = Integer.parseInt( 1395 parser.getAttributeValue(null, "value")); 1396 XmlUtils.skipCurrentTag(parser); 1397 } else if ("password-owner".equals(tag)) { 1398 policy.mPasswordOwner = Integer.parseInt( 1399 parser.getAttributeValue(null, "value")); 1400 XmlUtils.skipCurrentTag(parser); 1401 } else if ("active-password".equals(tag)) { 1402 policy.mActivePasswordQuality = Integer.parseInt( 1403 parser.getAttributeValue(null, "quality")); 1404 policy.mActivePasswordLength = Integer.parseInt( 1405 parser.getAttributeValue(null, "length")); 1406 policy.mActivePasswordUpperCase = Integer.parseInt( 1407 parser.getAttributeValue(null, "uppercase")); 1408 policy.mActivePasswordLowerCase = Integer.parseInt( 1409 parser.getAttributeValue(null, "lowercase")); 1410 policy.mActivePasswordLetters = Integer.parseInt( 1411 parser.getAttributeValue(null, "letters")); 1412 policy.mActivePasswordNumeric = Integer.parseInt( 1413 parser.getAttributeValue(null, "numeric")); 1414 policy.mActivePasswordSymbols = Integer.parseInt( 1415 parser.getAttributeValue(null, "symbols")); 1416 policy.mActivePasswordNonLetter = Integer.parseInt( 1417 parser.getAttributeValue(null, "nonletter")); 1418 XmlUtils.skipCurrentTag(parser); 1419 } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { 1420 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1421 XmlUtils.skipCurrentTag(parser); 1422 } else { 1423 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1424 XmlUtils.skipCurrentTag(parser); 1425 } 1426 } 1427 } catch (NullPointerException e) { 1428 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1429 } catch (NumberFormatException e) { 1430 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1431 } catch (XmlPullParserException e) { 1432 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1433 } catch (FileNotFoundException e) { 1434 // Don't be noisy, this is normal if we haven't defined any policies. 1435 } catch (IOException e) { 1436 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1437 } catch (IndexOutOfBoundsException e) { 1438 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1439 } 1440 try { 1441 if (stream != null) { 1442 stream.close(); 1443 } 1444 } catch (IOException e) { 1445 // Ignore 1446 } 1447 1448 // Generate a list of admins from the admin map 1449 policy.mAdminList.addAll(policy.mAdminMap.values()); 1450 1451 // Validate that what we stored for the password quality matches 1452 // sufficiently what is currently set. Note that this is only 1453 // a sanity check in case the two get out of sync; this should 1454 // never normally happen. 1455 LockPatternUtils utils = new LockPatternUtils(mContext); 1456 if (utils.getActivePasswordQuality() < policy.mActivePasswordQuality) { 1457 Slog.w(LOG_TAG, "Active password quality 0x" 1458 + Integer.toHexString(policy.mActivePasswordQuality) 1459 + " does not match actual quality 0x" 1460 + Integer.toHexString(utils.getActivePasswordQuality())); 1461 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1462 policy.mActivePasswordLength = 0; 1463 policy.mActivePasswordUpperCase = 0; 1464 policy.mActivePasswordLowerCase = 0; 1465 policy.mActivePasswordLetters = 0; 1466 policy.mActivePasswordNumeric = 0; 1467 policy.mActivePasswordSymbols = 0; 1468 policy.mActivePasswordNonLetter = 0; 1469 } 1470 1471 validatePasswordOwnerLocked(policy); 1472 syncDeviceCapabilitiesLocked(policy); 1473 updateMaximumTimeToLockLocked(policy); 1474 } 1475 1476 static void validateQualityConstant(int quality) { 1477 switch (quality) { 1478 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1479 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1480 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1481 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1482 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1483 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1484 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1485 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1486 return; 1487 } 1488 throw new IllegalArgumentException("Invalid quality constant: 0x" 1489 + Integer.toHexString(quality)); 1490 } 1491 1492 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1493 if (policy.mPasswordOwner >= 0) { 1494 boolean haveOwner = false; 1495 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1496 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1497 haveOwner = true; 1498 break; 1499 } 1500 } 1501 if (!haveOwner) { 1502 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1503 + " no longer active; disabling"); 1504 policy.mPasswordOwner = -1; 1505 } 1506 } 1507 } 1508 1509 /** 1510 * Pushes down policy information to the system for any policies related to general device 1511 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1512 */ 1513 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1514 // Ensure the status of the camera is synced down to the system. Interested native services 1515 // should monitor this value and act accordingly. 1516 boolean systemState = SystemProperties.getBoolean(SYSTEM_PROP_DISABLE_CAMERA, false); 1517 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1518 if (cameraDisabled != systemState) { 1519 long token = Binder.clearCallingIdentity(); 1520 try { 1521 String value = cameraDisabled ? "1" : "0"; 1522 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1523 + SYSTEM_PROP_DISABLE_CAMERA + "] = " + value); 1524 SystemProperties.set(SYSTEM_PROP_DISABLE_CAMERA, value); 1525 } finally { 1526 Binder.restoreCallingIdentity(token); 1527 } 1528 } 1529 } 1530 1531 public void systemReady() { 1532 if (!mHasFeature) { 1533 return; 1534 } 1535 getUserData(UserHandle.USER_OWNER); 1536 loadDeviceOwner(); 1537 cleanUpOldUsers(); 1538 // Register an observer for watching for user setup complete. 1539 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1540 // Initialize the user setup state, to handle the upgrade case. 1541 updateUserSetupComplete(); 1542 1543 // Update the screen capture disabled cache in the window manager 1544 List<UserInfo> users = mUserManager.getUsers(true); 1545 final int N = users.size(); 1546 for (int i = 0; i < N; i++) { 1547 int userHandle = users.get(i).id; 1548 updateScreenCaptureDisabledInWindowManager(userHandle, 1549 getScreenCaptureDisabled(null, userHandle)); 1550 } 1551 1552 } 1553 1554 private void cleanUpOldUsers() { 1555 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1556 // before reboot 1557 Set<Integer> usersWithProfileOwners; 1558 Set<Integer> usersWithData; 1559 synchronized(this) { 1560 usersWithProfileOwners = mDeviceOwner != null 1561 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1562 usersWithData = new HashSet<Integer>(); 1563 for (int i = 0; i < mUserData.size(); i++) { 1564 usersWithData.add(mUserData.keyAt(i)); 1565 } 1566 } 1567 List<UserInfo> allUsers = mUserManager.getUsers(); 1568 1569 Set<Integer> deletedUsers = new HashSet<Integer>(); 1570 deletedUsers.addAll(usersWithProfileOwners); 1571 deletedUsers.addAll(usersWithData); 1572 for (UserInfo userInfo : allUsers) { 1573 deletedUsers.remove(userInfo.id); 1574 } 1575 for (Integer userId : deletedUsers) { 1576 removeUserData(userId); 1577 } 1578 } 1579 1580 private void handlePasswordExpirationNotification(int userHandle) { 1581 synchronized (this) { 1582 final long now = System.currentTimeMillis(); 1583 1584 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1585 for (UserInfo ui : profiles) { 1586 int profileUserHandle = ui.getUserHandle().getIdentifier(); 1587 final DevicePolicyData policy = getUserData(profileUserHandle); 1588 final int count = policy.mAdminList.size(); 1589 if (count > 0) { 1590 for (int i = 0; i < count; i++) { 1591 final ActiveAdmin admin = policy.mAdminList.get(i); 1592 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1593 && admin.passwordExpirationTimeout > 0L 1594 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1595 && admin.passwordExpirationDate > 0L) { 1596 sendAdminCommandLocked(admin, 1597 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1598 } 1599 } 1600 } 1601 } 1602 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1603 } 1604 } 1605 1606 private void manageMonitoringCertificateNotification(Intent intent) { 1607 final NotificationManager notificationManager = getNotificationManager(); 1608 1609 final boolean hasCert = !(new TrustedCertificateStore().userAliases().isEmpty()); 1610 if (! hasCert) { 1611 if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { 1612 for (UserInfo user : mUserManager.getUsers()) { 1613 notificationManager.cancelAsUser( 1614 null, MONITORING_CERT_NOTIFICATION_ID, user.getUserHandle()); 1615 } 1616 } 1617 return; 1618 } 1619 final boolean isManaged = getDeviceOwner() != null; 1620 int smallIconId; 1621 String contentText; 1622 if (isManaged) { 1623 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 1624 getDeviceOwnerName()); 1625 smallIconId = R.drawable.stat_sys_certificate_info; 1626 } else { 1627 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1628 smallIconId = android.R.drawable.stat_sys_warning; 1629 } 1630 1631 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1632 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1633 dialogIntent.setPackage("com.android.settings"); 1634 // Notification will be sent individually to all users. The activity should start as 1635 // whichever user is current when it starts. 1636 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, dialogIntent, 1637 PendingIntent.FLAG_UPDATE_CURRENT, null, UserHandle.CURRENT); 1638 1639 Notification noti = new Notification.Builder(mContext) 1640 .setSmallIcon(smallIconId) 1641 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1642 .setContentText(contentText) 1643 .setContentIntent(notifyIntent) 1644 .setPriority(Notification.PRIORITY_HIGH) 1645 .setShowWhen(false) 1646 .setColor(mContext.getResources().getColor( 1647 com.android.internal.R.color.system_notification_accent_color)) 1648 .build(); 1649 1650 // If this is a boot intent, this will fire for each user. But if this is a storage changed 1651 // intent, it will fire once, so we need to notify all users. 1652 if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { 1653 for (UserInfo user : mUserManager.getUsers()) { 1654 notificationManager.notifyAsUser( 1655 null, MONITORING_CERT_NOTIFICATION_ID, noti, user.getUserHandle()); 1656 } 1657 } else { 1658 notificationManager.notifyAsUser( 1659 null, MONITORING_CERT_NOTIFICATION_ID, noti, UserHandle.CURRENT); 1660 } 1661 } 1662 1663 /** 1664 * @param adminReceiver The admin to add 1665 * @param refreshing true = update an active admin, no error 1666 */ 1667 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1668 if (!mHasFeature) { 1669 return; 1670 } 1671 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1672 } 1673 1674 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1675 Bundle onEnableData) { 1676 mContext.enforceCallingOrSelfPermission( 1677 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1678 enforceCrossUserPermission(userHandle); 1679 1680 DevicePolicyData policy = getUserData(userHandle); 1681 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1682 if (info == null) { 1683 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1684 } 1685 synchronized (this) { 1686 long ident = Binder.clearCallingIdentity(); 1687 try { 1688 if (!refreshing 1689 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1690 throw new IllegalArgumentException("Admin is already added"); 1691 } 1692 ActiveAdmin newAdmin = new ActiveAdmin(info); 1693 policy.mAdminMap.put(adminReceiver, newAdmin); 1694 int replaceIndex = -1; 1695 final int N = policy.mAdminList.size(); 1696 for (int i=0; i < N; i++) { 1697 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1698 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1699 replaceIndex = i; 1700 break; 1701 } 1702 } 1703 if (replaceIndex == -1) { 1704 policy.mAdminList.add(newAdmin); 1705 enableIfNecessary(info.getPackageName(), userHandle); 1706 } else { 1707 policy.mAdminList.set(replaceIndex, newAdmin); 1708 } 1709 saveSettingsLocked(userHandle); 1710 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1711 onEnableData, null); 1712 } finally { 1713 Binder.restoreCallingIdentity(ident); 1714 } 1715 } 1716 } 1717 1718 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1719 if (!mHasFeature) { 1720 return false; 1721 } 1722 enforceCrossUserPermission(userHandle); 1723 synchronized (this) { 1724 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1725 } 1726 } 1727 1728 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1729 if (!mHasFeature) { 1730 return false; 1731 } 1732 enforceCrossUserPermission(userHandle); 1733 synchronized (this) { 1734 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1735 if (administrator == null) { 1736 throw new SecurityException("No active admin " + adminReceiver); 1737 } 1738 return administrator.info.usesPolicy(policyId); 1739 } 1740 } 1741 1742 @SuppressWarnings("unchecked") 1743 public List<ComponentName> getActiveAdmins(int userHandle) { 1744 if (!mHasFeature) { 1745 return Collections.EMPTY_LIST; 1746 } 1747 1748 enforceCrossUserPermission(userHandle); 1749 synchronized (this) { 1750 DevicePolicyData policy = getUserData(userHandle); 1751 final int N = policy.mAdminList.size(); 1752 if (N <= 0) { 1753 return null; 1754 } 1755 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1756 for (int i=0; i<N; i++) { 1757 res.add(policy.mAdminList.get(i).info.getComponent()); 1758 } 1759 return res; 1760 } 1761 } 1762 1763 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 1764 if (!mHasFeature) { 1765 return false; 1766 } 1767 enforceCrossUserPermission(userHandle); 1768 synchronized (this) { 1769 DevicePolicyData policy = getUserData(userHandle); 1770 final int N = policy.mAdminList.size(); 1771 for (int i=0; i<N; i++) { 1772 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 1773 return true; 1774 } 1775 } 1776 return false; 1777 } 1778 } 1779 1780 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 1781 if (!mHasFeature) { 1782 return; 1783 } 1784 enforceCrossUserPermission(userHandle); 1785 synchronized (this) { 1786 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1787 if (admin == null) { 1788 return; 1789 } 1790 if (admin.getUid() != Binder.getCallingUid()) { 1791 // If trying to remove device owner, refuse when the caller is not the owner. 1792 if (isDeviceOwner(adminReceiver.getPackageName())) { 1793 return; 1794 } 1795 mContext.enforceCallingOrSelfPermission( 1796 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1797 } 1798 long ident = Binder.clearCallingIdentity(); 1799 try { 1800 removeActiveAdminLocked(adminReceiver, userHandle); 1801 } finally { 1802 Binder.restoreCallingIdentity(ident); 1803 } 1804 } 1805 } 1806 1807 public void setPasswordQuality(ComponentName who, int quality, int userHandle) { 1808 if (!mHasFeature) { 1809 return; 1810 } 1811 validateQualityConstant(quality); 1812 enforceCrossUserPermission(userHandle); 1813 1814 synchronized (this) { 1815 if (who == null) { 1816 throw new NullPointerException("ComponentName is null"); 1817 } 1818 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1819 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1820 if (ap.passwordQuality != quality) { 1821 ap.passwordQuality = quality; 1822 saveSettingsLocked(userHandle); 1823 } 1824 } 1825 } 1826 1827 public int getPasswordQuality(ComponentName who, int userHandle) { 1828 if (!mHasFeature) { 1829 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1830 } 1831 enforceCrossUserPermission(userHandle); 1832 synchronized (this) { 1833 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1834 1835 if (who != null) { 1836 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1837 return admin != null ? admin.passwordQuality : mode; 1838 } 1839 1840 // Return strictest policy for this user and profiles that are visible from this user. 1841 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1842 for (UserInfo userInfo : profiles) { 1843 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1844 final int N = policy.mAdminList.size(); 1845 for (int i=0; i<N; i++) { 1846 ActiveAdmin admin = policy.mAdminList.get(i); 1847 if (mode < admin.passwordQuality) { 1848 mode = admin.passwordQuality; 1849 } 1850 } 1851 } 1852 return mode; 1853 } 1854 } 1855 1856 public void setPasswordMinimumLength(ComponentName who, int length, int userHandle) { 1857 if (!mHasFeature) { 1858 return; 1859 } 1860 enforceCrossUserPermission(userHandle); 1861 synchronized (this) { 1862 if (who == null) { 1863 throw new NullPointerException("ComponentName is null"); 1864 } 1865 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1866 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1867 if (ap.minimumPasswordLength != length) { 1868 ap.minimumPasswordLength = length; 1869 saveSettingsLocked(userHandle); 1870 } 1871 } 1872 } 1873 1874 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 1875 if (!mHasFeature) { 1876 return 0; 1877 } 1878 enforceCrossUserPermission(userHandle); 1879 synchronized (this) { 1880 int length = 0; 1881 1882 if (who != null) { 1883 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1884 return admin != null ? admin.minimumPasswordLength : length; 1885 } 1886 1887 // Return strictest policy for this user and profiles that are visible from this user. 1888 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1889 for (UserInfo userInfo : profiles) { 1890 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1891 final int N = policy.mAdminList.size(); 1892 for (int i=0; i<N; i++) { 1893 ActiveAdmin admin = policy.mAdminList.get(i); 1894 if (length < admin.minimumPasswordLength) { 1895 length = admin.minimumPasswordLength; 1896 } 1897 } 1898 } 1899 return length; 1900 } 1901 } 1902 1903 public void setPasswordHistoryLength(ComponentName who, int length, int userHandle) { 1904 if (!mHasFeature) { 1905 return; 1906 } 1907 enforceCrossUserPermission(userHandle); 1908 synchronized (this) { 1909 if (who == null) { 1910 throw new NullPointerException("ComponentName is null"); 1911 } 1912 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1913 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1914 if (ap.passwordHistoryLength != length) { 1915 ap.passwordHistoryLength = length; 1916 saveSettingsLocked(userHandle); 1917 } 1918 } 1919 } 1920 1921 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 1922 if (!mHasFeature) { 1923 return 0; 1924 } 1925 enforceCrossUserPermission(userHandle); 1926 synchronized (this) { 1927 int length = 0; 1928 1929 if (who != null) { 1930 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1931 return admin != null ? admin.passwordHistoryLength : length; 1932 } 1933 1934 // Return strictest policy for this user and profiles that are visible from this user. 1935 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1936 for (UserInfo userInfo : profiles) { 1937 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1938 final int N = policy.mAdminList.size(); 1939 for (int i = 0; i < N; i++) { 1940 ActiveAdmin admin = policy.mAdminList.get(i); 1941 if (length < admin.passwordHistoryLength) { 1942 length = admin.passwordHistoryLength; 1943 } 1944 } 1945 } 1946 return length; 1947 } 1948 } 1949 1950 public void setPasswordExpirationTimeout(ComponentName who, long timeout, int userHandle) { 1951 if (!mHasFeature) { 1952 return; 1953 } 1954 enforceCrossUserPermission(userHandle); 1955 synchronized (this) { 1956 if (who == null) { 1957 throw new NullPointerException("ComponentName is null"); 1958 } 1959 if (timeout < 0) { 1960 throw new IllegalArgumentException("Timeout must be >= 0 ms"); 1961 } 1962 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1963 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 1964 // Calling this API automatically bumps the expiration date 1965 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 1966 ap.passwordExpirationDate = expiration; 1967 ap.passwordExpirationTimeout = timeout; 1968 if (timeout > 0L) { 1969 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 1970 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 1971 .format(new Date(expiration))); 1972 } 1973 saveSettingsLocked(userHandle); 1974 // in case this is the first one 1975 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1976 } 1977 } 1978 1979 /** 1980 * Return a single admin's expiration cycle time, or the min of all cycle times. 1981 * Returns 0 if not configured. 1982 */ 1983 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 1984 if (!mHasFeature) { 1985 return 0L; 1986 } 1987 enforceCrossUserPermission(userHandle); 1988 synchronized (this) { 1989 long timeout = 0L; 1990 1991 if (who != null) { 1992 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1993 return admin != null ? admin.passwordExpirationTimeout : timeout; 1994 } 1995 1996 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1997 for (UserInfo userInfo : profiles) { 1998 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1999 final int N = policy.mAdminList.size(); 2000 for (int i = 0; i < N; i++) { 2001 ActiveAdmin admin = policy.mAdminList.get(i); 2002 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2003 && timeout > admin.passwordExpirationTimeout)) { 2004 timeout = admin.passwordExpirationTimeout; 2005 } 2006 } 2007 } 2008 return timeout; 2009 } 2010 } 2011 2012 @Override 2013 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2014 final int userId = UserHandle.getCallingUserId(); 2015 List<String> changedProviders = null; 2016 2017 synchronized (this) { 2018 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2019 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2020 if (activeAdmin.crossProfileWidgetProviders == null) { 2021 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2022 } 2023 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2024 if (!providers.contains(packageName)) { 2025 providers.add(packageName); 2026 changedProviders = new ArrayList<>(providers); 2027 saveSettingsLocked(userId); 2028 } 2029 } 2030 2031 if (changedProviders != null) { 2032 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2033 return true; 2034 } 2035 2036 return false; 2037 } 2038 2039 @Override 2040 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2041 final int userId = UserHandle.getCallingUserId(); 2042 List<String> changedProviders = null; 2043 2044 synchronized (this) { 2045 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2046 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2047 if (activeAdmin.crossProfileWidgetProviders == null) { 2048 return false; 2049 } 2050 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2051 if (providers.remove(packageName)) { 2052 changedProviders = new ArrayList<>(providers); 2053 saveSettingsLocked(userId); 2054 } 2055 } 2056 2057 if (changedProviders != null) { 2058 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2059 return true; 2060 } 2061 2062 return false; 2063 } 2064 2065 @Override 2066 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2067 synchronized (this) { 2068 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2069 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2070 if (activeAdmin.crossProfileWidgetProviders == null 2071 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2072 return null; 2073 } 2074 if (Binder.getCallingUid() == Process.myUid()) { 2075 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2076 } else { 2077 return activeAdmin.crossProfileWidgetProviders; 2078 } 2079 } 2080 } 2081 2082 /** 2083 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2084 * Returns 0 if not configured. 2085 */ 2086 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2087 long timeout = 0L; 2088 2089 if (who != null) { 2090 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2091 return admin != null ? admin.passwordExpirationDate : timeout; 2092 } 2093 2094 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2095 for (UserInfo userInfo : profiles) { 2096 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2097 final int N = policy.mAdminList.size(); 2098 for (int i = 0; i < N; i++) { 2099 ActiveAdmin admin = policy.mAdminList.get(i); 2100 if (timeout == 0L || (admin.passwordExpirationDate != 0 2101 && timeout > admin.passwordExpirationDate)) { 2102 timeout = admin.passwordExpirationDate; 2103 } 2104 } 2105 } 2106 return timeout; 2107 } 2108 2109 public long getPasswordExpiration(ComponentName who, int userHandle) { 2110 if (!mHasFeature) { 2111 return 0L; 2112 } 2113 enforceCrossUserPermission(userHandle); 2114 synchronized (this) { 2115 return getPasswordExpirationLocked(who, userHandle); 2116 } 2117 } 2118 2119 public void setPasswordMinimumUpperCase(ComponentName who, int length, int userHandle) { 2120 if (!mHasFeature) { 2121 return; 2122 } 2123 enforceCrossUserPermission(userHandle); 2124 synchronized (this) { 2125 if (who == null) { 2126 throw new NullPointerException("ComponentName is null"); 2127 } 2128 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2129 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2130 if (ap.minimumPasswordUpperCase != length) { 2131 ap.minimumPasswordUpperCase = length; 2132 saveSettingsLocked(userHandle); 2133 } 2134 } 2135 } 2136 2137 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2138 if (!mHasFeature) { 2139 return 0; 2140 } 2141 enforceCrossUserPermission(userHandle); 2142 synchronized (this) { 2143 int length = 0; 2144 2145 if (who != null) { 2146 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2147 return admin != null ? admin.minimumPasswordUpperCase : length; 2148 } 2149 2150 // Return strictest policy for this user and profiles that are visible from this user. 2151 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2152 for (UserInfo userInfo : profiles) { 2153 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2154 final int N = policy.mAdminList.size(); 2155 for (int i=0; i<N; i++) { 2156 ActiveAdmin admin = policy.mAdminList.get(i); 2157 if (length < admin.minimumPasswordUpperCase) { 2158 length = admin.minimumPasswordUpperCase; 2159 } 2160 } 2161 } 2162 return length; 2163 } 2164 } 2165 2166 public void setPasswordMinimumLowerCase(ComponentName who, int length, int userHandle) { 2167 enforceCrossUserPermission(userHandle); 2168 synchronized (this) { 2169 if (who == null) { 2170 throw new NullPointerException("ComponentName is null"); 2171 } 2172 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2173 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2174 if (ap.minimumPasswordLowerCase != length) { 2175 ap.minimumPasswordLowerCase = length; 2176 saveSettingsLocked(userHandle); 2177 } 2178 } 2179 } 2180 2181 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2182 if (!mHasFeature) { 2183 return 0; 2184 } 2185 enforceCrossUserPermission(userHandle); 2186 synchronized (this) { 2187 int length = 0; 2188 2189 if (who != null) { 2190 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2191 return admin != null ? admin.minimumPasswordLowerCase : length; 2192 } 2193 2194 // Return strictest policy for this user and profiles that are visible from this user. 2195 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2196 for (UserInfo userInfo : profiles) { 2197 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2198 final int N = policy.mAdminList.size(); 2199 for (int i=0; i<N; i++) { 2200 ActiveAdmin admin = policy.mAdminList.get(i); 2201 if (length < admin.minimumPasswordLowerCase) { 2202 length = admin.minimumPasswordLowerCase; 2203 } 2204 } 2205 } 2206 return length; 2207 } 2208 } 2209 2210 public void setPasswordMinimumLetters(ComponentName who, int length, int userHandle) { 2211 if (!mHasFeature) { 2212 return; 2213 } 2214 enforceCrossUserPermission(userHandle); 2215 synchronized (this) { 2216 if (who == null) { 2217 throw new NullPointerException("ComponentName is null"); 2218 } 2219 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2220 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2221 if (ap.minimumPasswordLetters != length) { 2222 ap.minimumPasswordLetters = length; 2223 saveSettingsLocked(userHandle); 2224 } 2225 } 2226 } 2227 2228 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2229 if (!mHasFeature) { 2230 return 0; 2231 } 2232 enforceCrossUserPermission(userHandle); 2233 synchronized (this) { 2234 int length = 0; 2235 2236 if (who != null) { 2237 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2238 return admin != null ? admin.minimumPasswordLetters : length; 2239 } 2240 2241 // Return strictest policy for this user and profiles that are visible from this user. 2242 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2243 for (UserInfo userInfo : profiles) { 2244 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2245 final int N = policy.mAdminList.size(); 2246 for (int i=0; i<N; i++) { 2247 ActiveAdmin admin = policy.mAdminList.get(i); 2248 if (length < admin.minimumPasswordLetters) { 2249 length = admin.minimumPasswordLetters; 2250 } 2251 } 2252 } 2253 return length; 2254 } 2255 } 2256 2257 public void setPasswordMinimumNumeric(ComponentName who, int length, int userHandle) { 2258 if (!mHasFeature) { 2259 return; 2260 } 2261 enforceCrossUserPermission(userHandle); 2262 synchronized (this) { 2263 if (who == null) { 2264 throw new NullPointerException("ComponentName is null"); 2265 } 2266 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2267 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2268 if (ap.minimumPasswordNumeric != length) { 2269 ap.minimumPasswordNumeric = length; 2270 saveSettingsLocked(userHandle); 2271 } 2272 } 2273 } 2274 2275 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2276 if (!mHasFeature) { 2277 return 0; 2278 } 2279 enforceCrossUserPermission(userHandle); 2280 synchronized (this) { 2281 int length = 0; 2282 2283 if (who != null) { 2284 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2285 return admin != null ? admin.minimumPasswordNumeric : length; 2286 } 2287 2288 // Return strictest policy for this user and profiles that are visible from this user. 2289 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2290 for (UserInfo userInfo : profiles) { 2291 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2292 final int N = policy.mAdminList.size(); 2293 for (int i = 0; i < N; i++) { 2294 ActiveAdmin admin = policy.mAdminList.get(i); 2295 if (length < admin.minimumPasswordNumeric) { 2296 length = admin.minimumPasswordNumeric; 2297 } 2298 } 2299 } 2300 return length; 2301 } 2302 } 2303 2304 public void setPasswordMinimumSymbols(ComponentName who, int length, int userHandle) { 2305 if (!mHasFeature) { 2306 return; 2307 } 2308 enforceCrossUserPermission(userHandle); 2309 synchronized (this) { 2310 if (who == null) { 2311 throw new NullPointerException("ComponentName is null"); 2312 } 2313 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2314 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2315 if (ap.minimumPasswordSymbols != length) { 2316 ap.minimumPasswordSymbols = length; 2317 saveSettingsLocked(userHandle); 2318 } 2319 } 2320 } 2321 2322 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2323 if (!mHasFeature) { 2324 return 0; 2325 } 2326 enforceCrossUserPermission(userHandle); 2327 synchronized (this) { 2328 int length = 0; 2329 2330 if (who != null) { 2331 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2332 return admin != null ? admin.minimumPasswordSymbols : length; 2333 } 2334 2335 // Return strictest policy for this user and profiles that are visible from this user. 2336 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2337 for (UserInfo userInfo : profiles) { 2338 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2339 final int N = policy.mAdminList.size(); 2340 for (int i=0; i<N; i++) { 2341 ActiveAdmin admin = policy.mAdminList.get(i); 2342 if (length < admin.minimumPasswordSymbols) { 2343 length = admin.minimumPasswordSymbols; 2344 } 2345 } 2346 } 2347 return length; 2348 } 2349 } 2350 2351 public void setPasswordMinimumNonLetter(ComponentName who, int length, int userHandle) { 2352 if (!mHasFeature) { 2353 return; 2354 } 2355 enforceCrossUserPermission(userHandle); 2356 synchronized (this) { 2357 if (who == null) { 2358 throw new NullPointerException("ComponentName is null"); 2359 } 2360 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2361 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2362 if (ap.minimumPasswordNonLetter != length) { 2363 ap.minimumPasswordNonLetter = length; 2364 saveSettingsLocked(userHandle); 2365 } 2366 } 2367 } 2368 2369 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2370 if (!mHasFeature) { 2371 return 0; 2372 } 2373 enforceCrossUserPermission(userHandle); 2374 synchronized (this) { 2375 int length = 0; 2376 2377 if (who != null) { 2378 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2379 return admin != null ? admin.minimumPasswordNonLetter : length; 2380 } 2381 2382 // Return strictest policy for this user and profiles that are visible from this user. 2383 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2384 for (UserInfo userInfo : profiles) { 2385 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2386 final int N = policy.mAdminList.size(); 2387 for (int i=0; i<N; i++) { 2388 ActiveAdmin admin = policy.mAdminList.get(i); 2389 if (length < admin.minimumPasswordNonLetter) { 2390 length = admin.minimumPasswordNonLetter; 2391 } 2392 } 2393 } 2394 return length; 2395 } 2396 } 2397 2398 public boolean isActivePasswordSufficient(int userHandle) { 2399 if (!mHasFeature) { 2400 return true; 2401 } 2402 enforceCrossUserPermission(userHandle); 2403 2404 synchronized (this) { 2405 2406 // The active password is stored in the user that runs the launcher 2407 // If the user this is called from is part of a profile group, that is the parent 2408 // of the group. 2409 UserInfo parent = getProfileParent(userHandle); 2410 int id = parent == null ? userHandle : parent.id; 2411 DevicePolicyData policy = getUserData(id); 2412 2413 // This API can only be called by an active device admin, 2414 // so try to retrieve it to check that the caller is one. 2415 getActiveAdminForCallerLocked(null, 2416 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2417 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2418 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2419 return false; 2420 } 2421 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2422 return true; 2423 } 2424 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2425 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2426 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2427 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2428 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2429 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2430 } 2431 } 2432 2433 public int getCurrentFailedPasswordAttempts(int userHandle) { 2434 synchronized (this) { 2435 // This API can only be called by an active device admin, 2436 // so try to retrieve it to check that the caller is one. 2437 getActiveAdminForCallerLocked(null, 2438 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2439 2440 // The active password is stored in the parent. 2441 DevicePolicyData policy = getUserData(getProfileParent(userHandle).id); 2442 2443 return policy.mFailedPasswordAttempts; 2444 } 2445 } 2446 2447 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, int userHandle) { 2448 if (!mHasFeature) { 2449 return; 2450 } 2451 enforceCrossUserPermission(userHandle); 2452 synchronized (this) { 2453 if (who == null) { 2454 throw new NullPointerException("ComponentName is null"); 2455 } 2456 // This API can only be called by an active device admin, 2457 // so try to retrieve it to check that the caller is one. 2458 getActiveAdminForCallerLocked(who, 2459 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2460 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2461 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2462 if (ap.maximumFailedPasswordsForWipe != num) { 2463 ap.maximumFailedPasswordsForWipe = num; 2464 saveSettingsLocked(userHandle); 2465 } 2466 } 2467 } 2468 2469 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2470 if (!mHasFeature) { 2471 return 0; 2472 } 2473 enforceCrossUserPermission(userHandle); 2474 synchronized (this) { 2475 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2476 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2477 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2478 } 2479 } 2480 2481 /** 2482 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2483 * profiles that are visible from this user. If the policy for the primary and any other profile 2484 * are equal, it returns the admin for the primary profile. 2485 * Returns {@code null} if none of them have that policy set. 2486 */ 2487 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2488 int count = 0; 2489 ActiveAdmin strictestAdmin = null; 2490 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2491 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2492 for (ActiveAdmin admin : policy.mAdminList) { 2493 if (admin.maximumFailedPasswordsForWipe == 2494 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2495 continue; // No max number of failed passwords policy set for this profile. 2496 } 2497 2498 // We always favor the primary profile if several profiles have the same value set. 2499 if (count == 0 || 2500 count > admin.maximumFailedPasswordsForWipe || 2501 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2502 count = admin.maximumFailedPasswordsForWipe; 2503 strictestAdmin = admin; 2504 } 2505 } 2506 } 2507 return strictestAdmin; 2508 } 2509 2510 public boolean resetPassword(String password, int flags, int userHandle) { 2511 if (!mHasFeature) { 2512 return false; 2513 } 2514 enforceCrossUserPermission(userHandle); 2515 enforceNotManagedProfile(userHandle, "reset the password"); 2516 2517 int quality; 2518 synchronized (this) { 2519 // This api can only be called by an active device admin, 2520 // so try to retrieve it to check that the caller is one. 2521 getActiveAdminForCallerLocked(null, 2522 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2523 quality = getPasswordQuality(null, userHandle); 2524 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2525 int realQuality = LockPatternUtils.computePasswordQuality(password); 2526 if (realQuality < quality 2527 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2528 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2529 + Integer.toHexString(realQuality) 2530 + " does not meet required quality 0x" 2531 + Integer.toHexString(quality)); 2532 return false; 2533 } 2534 quality = Math.max(realQuality, quality); 2535 } 2536 int length = getPasswordMinimumLength(null, userHandle); 2537 if (password.length() < length) { 2538 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2539 + " does not meet required length " + length); 2540 return false; 2541 } 2542 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2543 int letters = 0; 2544 int uppercase = 0; 2545 int lowercase = 0; 2546 int numbers = 0; 2547 int symbols = 0; 2548 int nonletter = 0; 2549 for (int i = 0; i < password.length(); i++) { 2550 char c = password.charAt(i); 2551 if (c >= 'A' && c <= 'Z') { 2552 letters++; 2553 uppercase++; 2554 } else if (c >= 'a' && c <= 'z') { 2555 letters++; 2556 lowercase++; 2557 } else if (c >= '0' && c <= '9') { 2558 numbers++; 2559 nonletter++; 2560 } else { 2561 symbols++; 2562 nonletter++; 2563 } 2564 } 2565 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2566 if(letters < neededLetters) { 2567 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2568 + " does not meet required number of letters " + neededLetters); 2569 return false; 2570 } 2571 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2572 if (numbers < neededNumbers) { 2573 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2574 + " does not meet required number of numerical digits " 2575 + neededNumbers); 2576 return false; 2577 } 2578 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2579 if (lowercase < neededLowerCase) { 2580 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2581 + " does not meet required number of lowercase letters " 2582 + neededLowerCase); 2583 return false; 2584 } 2585 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2586 if (uppercase < neededUpperCase) { 2587 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2588 + " does not meet required number of uppercase letters " 2589 + neededUpperCase); 2590 return false; 2591 } 2592 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2593 if (symbols < neededSymbols) { 2594 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2595 + " does not meet required number of special symbols " + neededSymbols); 2596 return false; 2597 } 2598 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2599 if (nonletter < neededNonLetter) { 2600 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2601 + " does not meet required number of non-letter characters " 2602 + neededNonLetter); 2603 return false; 2604 } 2605 } 2606 } 2607 2608 int callingUid = Binder.getCallingUid(); 2609 DevicePolicyData policy = getUserData(userHandle); 2610 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2611 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2612 return false; 2613 } 2614 2615 // Don't do this with the lock held, because it is going to call 2616 // back in to the service. 2617 long ident = Binder.clearCallingIdentity(); 2618 try { 2619 LockPatternUtils utils = new LockPatternUtils(mContext); 2620 utils.saveLockPassword(password, quality, false, userHandle); 2621 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2622 if (requireEntry) { 2623 utils.requireCredentialEntry(UserHandle.USER_ALL); 2624 } 2625 synchronized (this) { 2626 int newOwner = requireEntry ? callingUid : -1; 2627 if (policy.mPasswordOwner != newOwner) { 2628 policy.mPasswordOwner = newOwner; 2629 saveSettingsLocked(userHandle); 2630 } 2631 } 2632 } finally { 2633 Binder.restoreCallingIdentity(ident); 2634 } 2635 2636 return true; 2637 } 2638 2639 public void setMaximumTimeToLock(ComponentName who, long timeMs, int userHandle) { 2640 if (!mHasFeature) { 2641 return; 2642 } 2643 enforceCrossUserPermission(userHandle); 2644 synchronized (this) { 2645 if (who == null) { 2646 throw new NullPointerException("ComponentName is null"); 2647 } 2648 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2649 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2650 if (ap.maximumTimeToUnlock != timeMs) { 2651 ap.maximumTimeToUnlock = timeMs; 2652 saveSettingsLocked(userHandle); 2653 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2654 } 2655 } 2656 } 2657 2658 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2659 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2660 if (policy.mLastMaximumTimeToLock == timeMs) { 2661 return; 2662 } 2663 2664 long ident = Binder.clearCallingIdentity(); 2665 try { 2666 if (timeMs <= 0) { 2667 timeMs = Integer.MAX_VALUE; 2668 } else { 2669 // Make sure KEEP_SCREEN_ON is disabled, since that 2670 // would allow bypassing of the maximum time to lock. 2671 Settings.Global.putInt(mContext.getContentResolver(), 2672 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2673 } 2674 2675 policy.mLastMaximumTimeToLock = timeMs; 2676 2677 try { 2678 getIPowerManager().setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2679 } catch (RemoteException e) { 2680 Slog.w(LOG_TAG, "Failure talking with power manager", e); 2681 } 2682 } finally { 2683 Binder.restoreCallingIdentity(ident); 2684 } 2685 } 2686 2687 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2688 if (!mHasFeature) { 2689 return 0; 2690 } 2691 enforceCrossUserPermission(userHandle); 2692 synchronized (this) { 2693 long time = 0; 2694 2695 if (who != null) { 2696 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2697 return admin != null ? admin.maximumTimeToUnlock : time; 2698 } 2699 2700 // Return strictest policy for this user and profiles that are visible from this user. 2701 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2702 for (UserInfo userInfo : profiles) { 2703 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2704 final int N = policy.mAdminList.size(); 2705 for (int i=0; i<N; i++) { 2706 ActiveAdmin admin = policy.mAdminList.get(i); 2707 if (time == 0) { 2708 time = admin.maximumTimeToUnlock; 2709 } else if (admin.maximumTimeToUnlock != 0 2710 && time > admin.maximumTimeToUnlock) { 2711 time = admin.maximumTimeToUnlock; 2712 } 2713 } 2714 } 2715 return time; 2716 } 2717 } 2718 2719 public void lockNow() { 2720 if (!mHasFeature) { 2721 return; 2722 } 2723 synchronized (this) { 2724 // This API can only be called by an active device admin, 2725 // so try to retrieve it to check that the caller is one. 2726 getActiveAdminForCallerLocked(null, 2727 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2728 lockNowUnchecked(); 2729 } 2730 } 2731 2732 private void lockNowUnchecked() { 2733 long ident = Binder.clearCallingIdentity(); 2734 try { 2735 // Power off the display 2736 getIPowerManager().goToSleep(SystemClock.uptimeMillis(), 2737 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 2738 // Ensure the device is locked 2739 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 2740 getWindowManager().lockNow(null); 2741 } catch (RemoteException e) { 2742 } finally { 2743 Binder.restoreCallingIdentity(ident); 2744 } 2745 } 2746 2747 private boolean isExtStorageEncrypted() { 2748 String state = SystemProperties.get("vold.decrypt"); 2749 return !"".equals(state); 2750 } 2751 2752 public boolean installCaCert(ComponentName who, byte[] certBuffer) throws RemoteException { 2753 if (who == null) { 2754 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2755 } else { 2756 synchronized (this) { 2757 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2758 } 2759 } 2760 2761 byte[] pemCert; 2762 try { 2763 X509Certificate cert = parseCert(certBuffer); 2764 pemCert = Credentials.convertToPem(cert); 2765 } catch (CertificateException ce) { 2766 Log.e(LOG_TAG, "Problem converting cert", ce); 2767 return false; 2768 } catch (IOException ioe) { 2769 Log.e(LOG_TAG, "Problem reading cert", ioe); 2770 return false; 2771 } 2772 2773 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2774 final long id = Binder.clearCallingIdentity(); 2775 try { 2776 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2777 try { 2778 keyChainConnection.getService().installCaCertificate(pemCert); 2779 return true; 2780 } catch (RemoteException e) { 2781 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 2782 } finally { 2783 keyChainConnection.close(); 2784 } 2785 } catch (InterruptedException e1) { 2786 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 2787 Thread.currentThread().interrupt(); 2788 } finally { 2789 Binder.restoreCallingIdentity(id); 2790 } 2791 return false; 2792 } 2793 2794 private static X509Certificate parseCert(byte[] certBuffer) 2795 throws CertificateException, IOException { 2796 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 2797 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 2798 certBuffer)); 2799 } 2800 2801 public void uninstallCaCert(ComponentName who, String alias) { 2802 if (who == null) { 2803 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2804 } else { 2805 synchronized (this) { 2806 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2807 } 2808 } 2809 2810 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2811 final long id = Binder.clearCallingIdentity(); 2812 try { 2813 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2814 try { 2815 keyChainConnection.getService().deleteCaCertificate(alias); 2816 } catch (RemoteException e) { 2817 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 2818 } finally { 2819 keyChainConnection.close(); 2820 } 2821 } catch (InterruptedException ie) { 2822 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 2823 Thread.currentThread().interrupt(); 2824 } finally { 2825 Binder.restoreCallingIdentity(id); 2826 } 2827 } 2828 2829 void wipeDataLocked(int flags) { 2830 // If the SD card is encrypted and non-removable, we have to force a wipe. 2831 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 2832 boolean wipeExtRequested = (flags&DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0; 2833 2834 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 2835 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 2836 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 2837 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 2838 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 2839 mWakeLock.acquire(10000); 2840 mContext.startService(intent); 2841 } else { 2842 try { 2843 RecoverySystem.rebootWipeUserData(mContext); 2844 } catch (IOException e) { 2845 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2846 } catch (SecurityException e) { 2847 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2848 } 2849 } 2850 } 2851 2852 public void wipeData(int flags, final int userHandle) { 2853 if (!mHasFeature) { 2854 return; 2855 } 2856 enforceCrossUserPermission(userHandle); 2857 if ((flags & DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0) { 2858 enforceNotManagedProfile(userHandle, "wipe external storage"); 2859 } 2860 synchronized (this) { 2861 // This API can only be called by an active device admin, 2862 // so try to retrieve it to check that the caller is one. 2863 getActiveAdminForCallerLocked(null, 2864 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2865 long ident = Binder.clearCallingIdentity(); 2866 try { 2867 wipeDeviceOrUserLocked(flags, userHandle); 2868 } finally { 2869 Binder.restoreCallingIdentity(ident); 2870 } 2871 } 2872 } 2873 2874 private void wipeDeviceOrUserLocked(int flags, final int userHandle) { 2875 if (userHandle == UserHandle.USER_OWNER) { 2876 wipeDataLocked(flags); 2877 } else { 2878 mHandler.post(new Runnable() { 2879 public void run() { 2880 try { 2881 ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER); 2882 if (!mUserManager.removeUser(userHandle)) { 2883 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 2884 } 2885 } catch (RemoteException re) { 2886 // Shouldn't happen 2887 } 2888 } 2889 }); 2890 } 2891 } 2892 2893 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 2894 if (!mHasFeature) { 2895 return; 2896 } 2897 enforceCrossUserPermission(userHandle); 2898 mContext.enforceCallingOrSelfPermission( 2899 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 2900 2901 synchronized (this) { 2902 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 2903 if (admin == null) { 2904 try { 2905 result.sendResult(null); 2906 } catch (RemoteException e) { 2907 } 2908 return; 2909 } 2910 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 2911 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 2912 intent.setComponent(admin.info.getComponent()); 2913 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 2914 null, new BroadcastReceiver() { 2915 @Override 2916 public void onReceive(Context context, Intent intent) { 2917 try { 2918 result.sendResult(getResultExtras(false)); 2919 } catch (RemoteException e) { 2920 } 2921 } 2922 }, null, Activity.RESULT_OK, null, null); 2923 } 2924 } 2925 2926 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 2927 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 2928 if (!mHasFeature) { 2929 return; 2930 } 2931 enforceCrossUserPermission(userHandle); 2932 enforceNotManagedProfile(userHandle, "set the active password"); 2933 2934 mContext.enforceCallingOrSelfPermission( 2935 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 2936 DevicePolicyData p = getUserData(userHandle); 2937 2938 validateQualityConstant(quality); 2939 2940 synchronized (this) { 2941 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 2942 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 2943 || p.mActivePasswordUpperCase != uppercase 2944 || p.mActivePasswordLowerCase != lowercase 2945 || p.mActivePasswordNumeric != numbers 2946 || p.mActivePasswordSymbols != symbols 2947 || p.mActivePasswordNonLetter != nonletter) { 2948 long ident = Binder.clearCallingIdentity(); 2949 try { 2950 p.mActivePasswordQuality = quality; 2951 p.mActivePasswordLength = length; 2952 p.mActivePasswordLetters = letters; 2953 p.mActivePasswordLowerCase = lowercase; 2954 p.mActivePasswordUpperCase = uppercase; 2955 p.mActivePasswordNumeric = numbers; 2956 p.mActivePasswordSymbols = symbols; 2957 p.mActivePasswordNonLetter = nonletter; 2958 p.mFailedPasswordAttempts = 0; 2959 saveSettingsLocked(userHandle); 2960 updatePasswordExpirationsLocked(userHandle); 2961 setExpirationAlarmCheckLocked(mContext, p); 2962 sendAdminCommandToSelfAndProfilesLocked( 2963 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 2964 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 2965 } finally { 2966 Binder.restoreCallingIdentity(ident); 2967 } 2968 } 2969 } 2970 } 2971 2972 /** 2973 * Called any time the device password is updated. Resets all password expiration clocks. 2974 */ 2975 private void updatePasswordExpirationsLocked(int userHandle) { 2976 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2977 for (UserInfo userInfo : profiles) { 2978 int profileId = userInfo.getUserHandle().getIdentifier(); 2979 DevicePolicyData policy = getUserData(profileId); 2980 final int N = policy.mAdminList.size(); 2981 if (N > 0) { 2982 for (int i=0; i<N; i++) { 2983 ActiveAdmin admin = policy.mAdminList.get(i); 2984 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 2985 long timeout = admin.passwordExpirationTimeout; 2986 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2987 admin.passwordExpirationDate = expiration; 2988 } 2989 } 2990 } 2991 saveSettingsLocked(profileId); 2992 } 2993 } 2994 2995 public void reportFailedPasswordAttempt(int userHandle) { 2996 enforceCrossUserPermission(userHandle); 2997 enforceNotManagedProfile(userHandle, "report failed password attempt"); 2998 mContext.enforceCallingOrSelfPermission( 2999 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3000 3001 synchronized (this) { 3002 DevicePolicyData policy = getUserData(userHandle); 3003 long ident = Binder.clearCallingIdentity(); 3004 try { 3005 policy.mFailedPasswordAttempts++; 3006 saveSettingsLocked(userHandle); 3007 if (mHasFeature) { 3008 ActiveAdmin strictestAdmin = 3009 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3010 int max = strictestAdmin != null 3011 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3012 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3013 // Wipe the user/profile associated with the policy that was violated. This 3014 // is not necessarily calling user: if the policy that fired was from a 3015 // managed profile rather than the main user profile, we wipe former only. 3016 wipeDeviceOrUserLocked(0, strictestAdmin.getUserHandle().getIdentifier()); 3017 } 3018 sendAdminCommandToSelfAndProfilesLocked( 3019 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3020 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3021 } 3022 } finally { 3023 Binder.restoreCallingIdentity(ident); 3024 } 3025 } 3026 } 3027 3028 public void reportSuccessfulPasswordAttempt(int userHandle) { 3029 enforceCrossUserPermission(userHandle); 3030 mContext.enforceCallingOrSelfPermission( 3031 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3032 3033 synchronized (this) { 3034 DevicePolicyData policy = getUserData(userHandle); 3035 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3036 long ident = Binder.clearCallingIdentity(); 3037 try { 3038 policy.mFailedPasswordAttempts = 0; 3039 policy.mPasswordOwner = -1; 3040 saveSettingsLocked(userHandle); 3041 if (mHasFeature) { 3042 sendAdminCommandToSelfAndProfilesLocked( 3043 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3044 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3045 } 3046 } finally { 3047 Binder.restoreCallingIdentity(ident); 3048 } 3049 } 3050 } 3051 } 3052 3053 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3054 String exclusionList, int userHandle) { 3055 if (!mHasFeature) { 3056 return null; 3057 } 3058 enforceCrossUserPermission(userHandle); 3059 synchronized(this) { 3060 if (who == null) { 3061 throw new NullPointerException("ComponentName is null"); 3062 } 3063 3064 // Only check if owner has set global proxy. We don't allow other users to set it. 3065 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3066 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3067 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3068 3069 // Scan through active admins and find if anyone has already 3070 // set the global proxy. 3071 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3072 for (ComponentName component : compSet) { 3073 ActiveAdmin ap = policy.mAdminMap.get(component); 3074 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3075 // Another admin already sets the global proxy 3076 // Return it to the caller. 3077 return component; 3078 } 3079 } 3080 3081 // If the user is not the owner, don't set the global proxy. Fail silently. 3082 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3083 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3084 + userHandle + " is not permitted."); 3085 return null; 3086 } 3087 if (proxySpec == null) { 3088 admin.specifiesGlobalProxy = false; 3089 admin.globalProxySpec = null; 3090 admin.globalProxyExclusionList = null; 3091 } else { 3092 3093 admin.specifiesGlobalProxy = true; 3094 admin.globalProxySpec = proxySpec; 3095 admin.globalProxyExclusionList = exclusionList; 3096 } 3097 3098 // Reset the global proxy accordingly 3099 // Do this using system permissions, as apps cannot write to secure settings 3100 long origId = Binder.clearCallingIdentity(); 3101 try { 3102 resetGlobalProxyLocked(policy); 3103 } finally { 3104 Binder.restoreCallingIdentity(origId); 3105 } 3106 return null; 3107 } 3108 } 3109 3110 public ComponentName getGlobalProxyAdmin(int userHandle) { 3111 if (!mHasFeature) { 3112 return null; 3113 } 3114 enforceCrossUserPermission(userHandle); 3115 synchronized(this) { 3116 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3117 // Scan through active admins and find if anyone has already 3118 // set the global proxy. 3119 final int N = policy.mAdminList.size(); 3120 for (int i = 0; i < N; i++) { 3121 ActiveAdmin ap = policy.mAdminList.get(i); 3122 if (ap.specifiesGlobalProxy) { 3123 // Device admin sets the global proxy 3124 // Return it to the caller. 3125 return ap.info.getComponent(); 3126 } 3127 } 3128 } 3129 // No device admin sets the global proxy. 3130 return null; 3131 } 3132 3133 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3134 synchronized (this) { 3135 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3136 } 3137 long token = Binder.clearCallingIdentity(); 3138 try { 3139 ConnectivityManager connectivityManager = (ConnectivityManager) 3140 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3141 connectivityManager.setGlobalProxy(proxyInfo); 3142 } finally { 3143 Binder.restoreCallingIdentity(token); 3144 } 3145 } 3146 3147 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3148 final int N = policy.mAdminList.size(); 3149 for (int i = 0; i < N; i++) { 3150 ActiveAdmin ap = policy.mAdminList.get(i); 3151 if (ap.specifiesGlobalProxy) { 3152 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3153 return; 3154 } 3155 } 3156 // No device admins defining global proxies - reset global proxy settings to none 3157 saveGlobalProxyLocked(null, null); 3158 } 3159 3160 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3161 if (exclusionList == null) { 3162 exclusionList = ""; 3163 } 3164 if (proxySpec == null) { 3165 proxySpec = ""; 3166 } 3167 // Remove white spaces 3168 proxySpec = proxySpec.trim(); 3169 String data[] = proxySpec.split(":"); 3170 int proxyPort = 8080; 3171 if (data.length > 1) { 3172 try { 3173 proxyPort = Integer.parseInt(data[1]); 3174 } catch (NumberFormatException e) {} 3175 } 3176 exclusionList = exclusionList.trim(); 3177 ContentResolver res = mContext.getContentResolver(); 3178 3179 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3180 if (!proxyProperties.isValid()) { 3181 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3182 return; 3183 } 3184 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3185 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3186 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3187 exclusionList); 3188 } 3189 3190 /** 3191 * Set the storage encryption request for a single admin. Returns the new total request 3192 * status (for all admins). 3193 */ 3194 public int setStorageEncryption(ComponentName who, boolean encrypt, int userHandle) { 3195 if (!mHasFeature) { 3196 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3197 } 3198 enforceCrossUserPermission(userHandle); 3199 synchronized (this) { 3200 // Check for permissions 3201 if (who == null) { 3202 throw new NullPointerException("ComponentName is null"); 3203 } 3204 // Only owner can set storage encryption 3205 if (userHandle != UserHandle.USER_OWNER 3206 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3207 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3208 + UserHandle.getCallingUserId() + " is not permitted."); 3209 return 0; 3210 } 3211 3212 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3213 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3214 3215 // Quick exit: If the filesystem does not support encryption, we can exit early. 3216 if (!isEncryptionSupported()) { 3217 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3218 } 3219 3220 // (1) Record the value for the admin so it's sticky 3221 if (ap.encryptionRequested != encrypt) { 3222 ap.encryptionRequested = encrypt; 3223 saveSettingsLocked(userHandle); 3224 } 3225 3226 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3227 // (2) Compute "max" for all admins 3228 boolean newRequested = false; 3229 final int N = policy.mAdminList.size(); 3230 for (int i = 0; i < N; i++) { 3231 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3232 } 3233 3234 // Notify OS of new request 3235 setEncryptionRequested(newRequested); 3236 3237 // Return the new global request status 3238 return newRequested 3239 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3240 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3241 } 3242 } 3243 3244 /** 3245 * Get the current storage encryption request status for a given admin, or aggregate of all 3246 * active admins. 3247 */ 3248 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3249 if (!mHasFeature) { 3250 return false; 3251 } 3252 enforceCrossUserPermission(userHandle); 3253 synchronized (this) { 3254 // Check for permissions if a particular caller is specified 3255 if (who != null) { 3256 // When checking for a single caller, status is based on caller's request 3257 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3258 return ap != null ? ap.encryptionRequested : false; 3259 } 3260 3261 // If no particular caller is specified, return the aggregate set of requests. 3262 // This is short circuited by returning true on the first hit. 3263 DevicePolicyData policy = getUserData(userHandle); 3264 final int N = policy.mAdminList.size(); 3265 for (int i = 0; i < N; i++) { 3266 if (policy.mAdminList.get(i).encryptionRequested) { 3267 return true; 3268 } 3269 } 3270 return false; 3271 } 3272 } 3273 3274 /** 3275 * Get the current encryption status of the device. 3276 */ 3277 public int getStorageEncryptionStatus(int userHandle) { 3278 if (!mHasFeature) { 3279 // Ok to return current status. 3280 } 3281 enforceCrossUserPermission(userHandle); 3282 return getEncryptionStatus(); 3283 } 3284 3285 /** 3286 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3287 */ 3288 private boolean isEncryptionSupported() { 3289 // Note, this can be implemented as 3290 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3291 // But is provided as a separate internal method if there's a faster way to do a 3292 // simple check for supported-or-not. 3293 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3294 } 3295 3296 /** 3297 * Hook to low-levels: Reporting the current status of encryption. 3298 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED} or 3299 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE} or 3300 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3301 */ 3302 private int getEncryptionStatus() { 3303 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3304 if ("encrypted".equalsIgnoreCase(status)) { 3305 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 3306 } else if ("unencrypted".equalsIgnoreCase(status)) { 3307 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3308 } else { 3309 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3310 } 3311 } 3312 3313 /** 3314 * Hook to low-levels: If needed, record the new admin setting for encryption. 3315 */ 3316 private void setEncryptionRequested(boolean encrypt) { 3317 } 3318 3319 3320 /** 3321 * Set whether the screen capture is disabled for the user managed by the specified admin. 3322 */ 3323 public void setScreenCaptureDisabled(ComponentName who, int userHandle, boolean disabled) { 3324 if (!mHasFeature) { 3325 return; 3326 } 3327 enforceCrossUserPermission(userHandle); 3328 synchronized (this) { 3329 if (who == null) { 3330 throw new NullPointerException("ComponentName is null"); 3331 } 3332 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3333 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3334 if (ap.disableScreenCapture != disabled) { 3335 ap.disableScreenCapture = disabled; 3336 saveSettingsLocked(userHandle); 3337 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3338 } 3339 } 3340 } 3341 3342 /** 3343 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3344 * active admin (if given admin is null). 3345 */ 3346 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3347 if (!mHasFeature) { 3348 return false; 3349 } 3350 synchronized (this) { 3351 if (who != null) { 3352 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3353 return (admin != null) ? admin.disableScreenCapture : false; 3354 } 3355 3356 DevicePolicyData policy = getUserData(userHandle); 3357 final int N = policy.mAdminList.size(); 3358 for (int i = 0; i < N; i++) { 3359 ActiveAdmin admin = policy.mAdminList.get(i); 3360 if (admin.disableScreenCapture) { 3361 return true; 3362 } 3363 } 3364 return false; 3365 } 3366 } 3367 3368 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3369 long ident = Binder.clearCallingIdentity(); 3370 try { 3371 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3372 } catch (RemoteException e) { 3373 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3374 } finally { 3375 Binder.restoreCallingIdentity(ident); 3376 } 3377 } 3378 3379 /** 3380 * Set whether auto time is required by the specified admin (must be device owner). 3381 */ 3382 public void setAutoTimeRequired(ComponentName who, int userHandle, boolean required) { 3383 if (!mHasFeature) { 3384 return; 3385 } 3386 enforceCrossUserPermission(userHandle); 3387 synchronized (this) { 3388 if (who == null) { 3389 throw new NullPointerException("ComponentName is null"); 3390 } 3391 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3392 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3393 if (admin.requireAutoTime != required) { 3394 admin.requireAutoTime = required; 3395 saveSettingsLocked(userHandle); 3396 } 3397 } 3398 3399 // Turn AUTO_TIME on in settings if it is required 3400 if (required) { 3401 long ident = Binder.clearCallingIdentity(); 3402 try { 3403 Settings.Global.putInt(mContext.getContentResolver(), 3404 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3405 } finally { 3406 Binder.restoreCallingIdentity(ident); 3407 } 3408 } 3409 } 3410 3411 /** 3412 * Returns whether or not auto time is required by the device owner. 3413 */ 3414 public boolean getAutoTimeRequired() { 3415 if (!mHasFeature) { 3416 return false; 3417 } 3418 synchronized (this) { 3419 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3420 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3421 } 3422 } 3423 3424 /** 3425 * The system property used to share the state of the camera. The native camera service 3426 * is expected to read this property and act accordingly. 3427 */ 3428 public static final String SYSTEM_PROP_DISABLE_CAMERA = "sys.secpolicy.camera.disabled"; 3429 3430 /** 3431 * Disables all device cameras according to the specified admin. 3432 */ 3433 public void setCameraDisabled(ComponentName who, boolean disabled, int userHandle) { 3434 if (!mHasFeature) { 3435 return; 3436 } 3437 enforceCrossUserPermission(userHandle); 3438 enforceNotManagedProfile(userHandle, "enable/disable cameras"); 3439 synchronized (this) { 3440 if (who == null) { 3441 throw new NullPointerException("ComponentName is null"); 3442 } 3443 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3444 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3445 if (ap.disableCamera != disabled) { 3446 ap.disableCamera = disabled; 3447 saveSettingsLocked(userHandle); 3448 } 3449 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3450 } 3451 } 3452 3453 /** 3454 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3455 * active admins. 3456 */ 3457 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3458 if (!mHasFeature) { 3459 return false; 3460 } 3461 synchronized (this) { 3462 if (who != null) { 3463 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3464 return (admin != null) ? admin.disableCamera : false; 3465 } 3466 3467 DevicePolicyData policy = getUserData(userHandle); 3468 // Determine whether or not the device camera is disabled for any active admins. 3469 final int N = policy.mAdminList.size(); 3470 for (int i = 0; i < N; i++) { 3471 ActiveAdmin admin = policy.mAdminList.get(i); 3472 if (admin.disableCamera) { 3473 return true; 3474 } 3475 } 3476 return false; 3477 } 3478 } 3479 3480 /** 3481 * Selectively disable keyguard features. 3482 */ 3483 public void setKeyguardDisabledFeatures(ComponentName who, int which, int userHandle) { 3484 if (!mHasFeature) { 3485 return; 3486 } 3487 enforceCrossUserPermission(userHandle); 3488 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3489 synchronized (this) { 3490 if (who == null) { 3491 throw new NullPointerException("ComponentName is null"); 3492 } 3493 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3494 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3495 if (ap.disabledKeyguardFeatures != which) { 3496 ap.disabledKeyguardFeatures = which; 3497 saveSettingsLocked(userHandle); 3498 } 3499 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3500 } 3501 } 3502 3503 /** 3504 * Gets the disabled state for features in keyguard for the given admin, 3505 * or the aggregate of all active admins if who is null. 3506 */ 3507 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3508 if (!mHasFeature) { 3509 return 0; 3510 } 3511 enforceCrossUserPermission(userHandle); 3512 synchronized (this) { 3513 if (who != null) { 3514 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3515 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3516 } 3517 3518 // Determine which keyguard features are disabled for any active admins. 3519 DevicePolicyData policy = getUserData(userHandle); 3520 final int N = policy.mAdminList.size(); 3521 int which = 0; 3522 for (int i = 0; i < N; i++) { 3523 ActiveAdmin admin = policy.mAdminList.get(i); 3524 which |= admin.disabledKeyguardFeatures; 3525 } 3526 return which; 3527 } 3528 } 3529 3530 @Override 3531 public boolean setDeviceOwner(String packageName, String ownerName) { 3532 if (!mHasFeature) { 3533 return false; 3534 } 3535 if (packageName == null 3536 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3537 throw new IllegalArgumentException("Invalid package name " + packageName 3538 + " for device owner"); 3539 } 3540 synchronized (this) { 3541 if (isDeviceProvisioned()) { 3542 throw new IllegalStateException( 3543 "Trying to set device owner but device is already provisioned."); 3544 } 3545 3546 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3547 throw new IllegalStateException( 3548 "Trying to set device owner but device owner is already set."); 3549 } 3550 3551 if (mDeviceOwner == null) { 3552 // Device owner is not set and does not exist, set it. 3553 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3554 mDeviceOwner.writeOwnerFile(); 3555 return true; 3556 } else { 3557 // Device owner is not set but a profile owner exists, update Device owner state. 3558 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3559 mDeviceOwner.writeOwnerFile(); 3560 return true; 3561 } 3562 } 3563 } 3564 3565 @Override 3566 public boolean isDeviceOwner(String packageName) { 3567 if (!mHasFeature) { 3568 return false; 3569 } 3570 synchronized (this) { 3571 return mDeviceOwner != null 3572 && mDeviceOwner.hasDeviceOwner() 3573 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 3574 } 3575 } 3576 3577 @Override 3578 public String getDeviceOwner() { 3579 if (!mHasFeature) { 3580 return null; 3581 } 3582 synchronized (this) { 3583 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3584 return mDeviceOwner.getDeviceOwnerPackageName(); 3585 } 3586 } 3587 return null; 3588 } 3589 3590 @Override 3591 public String getDeviceOwnerName() { 3592 if (!mHasFeature) { 3593 return null; 3594 } 3595 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3596 synchronized (this) { 3597 if (mDeviceOwner != null) { 3598 return mDeviceOwner.getDeviceOwnerName(); 3599 } 3600 } 3601 return null; 3602 } 3603 3604 // Returns the active device owner or null if there is no device owner. 3605 private ActiveAdmin getDeviceOwnerAdmin() { 3606 String deviceOwnerPackageName = getDeviceOwner(); 3607 if (deviceOwnerPackageName == null) { 3608 return null; 3609 } 3610 3611 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3612 final int n = policy.mAdminList.size(); 3613 for (int i = 0; i < n; i++) { 3614 ActiveAdmin admin = policy.mAdminList.get(i); 3615 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 3616 return admin; 3617 } 3618 } 3619 return null; 3620 } 3621 3622 @Override 3623 public void clearDeviceOwner(String packageName) { 3624 if (packageName == null) { 3625 throw new NullPointerException("packageName is null"); 3626 } 3627 try { 3628 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 3629 if (uid != Binder.getCallingUid()) { 3630 throw new SecurityException("Invalid packageName"); 3631 } 3632 } catch (NameNotFoundException e) { 3633 throw new SecurityException(e); 3634 } 3635 if (!isDeviceOwner(packageName)) { 3636 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 3637 } 3638 synchronized (this) { 3639 long ident = Binder.clearCallingIdentity(); 3640 try { 3641 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 3642 if (mDeviceOwner != null) { 3643 mDeviceOwner.clearDeviceOwner(); 3644 mDeviceOwner.writeOwnerFile(); 3645 } 3646 } finally { 3647 Binder.restoreCallingIdentity(ident); 3648 } 3649 } 3650 } 3651 3652 @Override 3653 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 3654 if (!mHasFeature) { 3655 return false; 3656 } 3657 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3658 3659 if (mUserManager.getUserInfo(userHandle) == null) { 3660 // User doesn't exist. 3661 throw new IllegalArgumentException( 3662 "Attempted to set profile owner for invalid userId: " + userHandle); 3663 } 3664 3665 if (who == null 3666 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 3667 throw new IllegalArgumentException("Component " + who 3668 + " not installed for userId:" + userHandle); 3669 } 3670 synchronized (this) { 3671 // Only SYSTEM_UID can override the userSetupComplete 3672 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 3673 && isUserSetupComplete(userHandle)) { 3674 throw new IllegalStateException( 3675 "Trying to set profile owner but user is already set-up."); 3676 } 3677 3678 if (mDeviceOwner == null) { 3679 // Device owner state does not exist, create it. 3680 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 3681 userHandle); 3682 mDeviceOwner.writeOwnerFile(); 3683 return true; 3684 } else { 3685 // Device owner already exists, update it. 3686 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 3687 mDeviceOwner.writeOwnerFile(); 3688 return true; 3689 } 3690 } 3691 } 3692 3693 @Override 3694 public void clearProfileOwner(ComponentName who) { 3695 if (!mHasFeature) { 3696 return; 3697 } 3698 UserHandle callingUser = Binder.getCallingUserHandle(); 3699 // Check if this is the profile owner who is calling 3700 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3701 synchronized (this) { 3702 long ident = Binder.clearCallingIdentity(); 3703 try { 3704 clearUserRestrictions(callingUser); 3705 if (mDeviceOwner != null) { 3706 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 3707 mDeviceOwner.writeOwnerFile(); 3708 } 3709 } finally { 3710 Binder.restoreCallingIdentity(ident); 3711 } 3712 } 3713 } 3714 3715 private void clearUserRestrictions(UserHandle userHandle) { 3716 AudioManager audioManager = 3717 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 3718 Bundle userRestrictions = mUserManager.getUserRestrictions(); 3719 mUserManager.setUserRestrictions(new Bundle(), userHandle); 3720 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 3721 audioManager.setMasterMute(false); 3722 } 3723 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 3724 audioManager.setMicrophoneMute(false); 3725 } 3726 } 3727 3728 @Override 3729 public boolean hasUserSetupCompleted() { 3730 if (!mHasFeature) { 3731 return true; 3732 } 3733 DevicePolicyData policy = getUserData(UserHandle.getCallingUserId()); 3734 // If policy is null, return true, else check if the setup has completed. 3735 return policy == null || policy.mUserSetupComplete; 3736 } 3737 3738 @Override 3739 public void setProfileEnabled(ComponentName who) { 3740 if (!mHasFeature) { 3741 return; 3742 } 3743 synchronized (this) { 3744 // Check for permissions 3745 if (who == null) { 3746 throw new NullPointerException("ComponentName is null"); 3747 } 3748 // Check if this is the profile owner who is calling 3749 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3750 int userId = UserHandle.getCallingUserId(); 3751 3752 long id = Binder.clearCallingIdentity(); 3753 try { 3754 mUserManager.setUserEnabled(userId); 3755 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 3756 intent.putExtra(Intent.EXTRA_USER, new UserHandle(UserHandle.getCallingUserId())); 3757 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 3758 Intent.FLAG_RECEIVER_FOREGROUND); 3759 // TODO This should send to parent of profile (which is always owner at the moment). 3760 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 3761 } finally { 3762 restoreCallingIdentity(id); 3763 } 3764 } 3765 } 3766 3767 @Override 3768 public void setProfileName(ComponentName who, String profileName) { 3769 int userId = UserHandle.getCallingUserId(); 3770 3771 if (who == null) { 3772 throw new NullPointerException("ComponentName is null"); 3773 } 3774 3775 // Check if this is the profile owner (includes device owner). 3776 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3777 3778 long id = Binder.clearCallingIdentity(); 3779 try { 3780 mUserManager.setUserName(userId, profileName); 3781 } finally { 3782 restoreCallingIdentity(id); 3783 } 3784 } 3785 3786 @Override 3787 public ComponentName getProfileOwner(int userHandle) { 3788 if (!mHasFeature) { 3789 return null; 3790 } 3791 3792 synchronized (this) { 3793 if (mDeviceOwner != null) { 3794 return mDeviceOwner.getProfileOwnerComponent(userHandle); 3795 } 3796 } 3797 return null; 3798 } 3799 3800 // Returns the active profile owner for this user or null if the current user has no 3801 // profile owner. 3802 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 3803 ComponentName profileOwner = 3804 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 3805 if (profileOwner == null) { 3806 return null; 3807 } 3808 3809 DevicePolicyData policy = getUserData(userHandle); 3810 final int n = policy.mAdminList.size(); 3811 for (int i = 0; i < n; i++) { 3812 ActiveAdmin admin = policy.mAdminList.get(i); 3813 if (profileOwner.equals(admin.info)) { 3814 return admin; 3815 } 3816 } 3817 return null; 3818 } 3819 3820 @Override 3821 public String getProfileOwnerName(int userHandle) { 3822 if (!mHasFeature) { 3823 return null; 3824 } 3825 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3826 3827 synchronized (this) { 3828 if (mDeviceOwner != null) { 3829 return mDeviceOwner.getProfileOwnerName(userHandle); 3830 } 3831 } 3832 return null; 3833 } 3834 3835 private boolean isDeviceProvisioned() { 3836 return Settings.Global.getInt(mContext.getContentResolver(), 3837 Settings.Global.DEVICE_PROVISIONED, 0) > 0; 3838 } 3839 3840 private boolean isUserSetupComplete(int userId) { 3841 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 3842 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) > 0; 3843 } 3844 3845 private void enforceCrossUserPermission(int userHandle) { 3846 if (userHandle < 0) { 3847 throw new IllegalArgumentException("Invalid userId " + userHandle); 3848 } 3849 final int callingUid = Binder.getCallingUid(); 3850 if (userHandle == UserHandle.getUserId(callingUid)) return; 3851 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3852 mContext.enforceCallingOrSelfPermission( 3853 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 3854 + " INTERACT_ACROSS_USERS_FULL permission"); 3855 } 3856 } 3857 3858 private void enforceSystemProcess(String message) { 3859 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 3860 throw new SecurityException(message); 3861 } 3862 } 3863 3864 private void enforceNotManagedProfile(int userHandle, String message) { 3865 if(isManagedProfile(userHandle)) { 3866 throw new SecurityException("You can not " + message + " for a managed profile. "); 3867 } 3868 } 3869 3870 private UserInfo getProfileParent(int userHandle) { 3871 long ident = Binder.clearCallingIdentity(); 3872 try { 3873 return mUserManager.getProfileParent(userHandle); 3874 } finally { 3875 Binder.restoreCallingIdentity(ident); 3876 } 3877 } 3878 3879 private boolean isManagedProfile(int userHandle) { 3880 long ident = Binder.clearCallingIdentity(); 3881 try { 3882 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 3883 } finally { 3884 Binder.restoreCallingIdentity(ident); 3885 } 3886 } 3887 3888 private void enableIfNecessary(String packageName, int userId) { 3889 try { 3890 IPackageManager ipm = AppGlobals.getPackageManager(); 3891 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 3892 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 3893 userId); 3894 if (ai.enabledSetting 3895 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 3896 ipm.setApplicationEnabledSetting(packageName, 3897 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3898 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 3899 } 3900 } catch (RemoteException e) { 3901 } 3902 } 3903 3904 @Override 3905 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3906 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3907 != PackageManager.PERMISSION_GRANTED) { 3908 3909 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 3910 + Binder.getCallingPid() 3911 + ", uid=" + Binder.getCallingUid()); 3912 return; 3913 } 3914 3915 final Printer p = new PrintWriterPrinter(pw); 3916 3917 synchronized (this) { 3918 p.println("Current Device Policy Manager state:"); 3919 3920 int userCount = mUserData.size(); 3921 for (int u = 0; u < userCount; u++) { 3922 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 3923 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 3924 final int N = policy.mAdminList.size(); 3925 for (int i=0; i<N; i++) { 3926 ActiveAdmin ap = policy.mAdminList.get(i); 3927 if (ap != null) { 3928 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 3929 pw.println(":"); 3930 ap.dump(" ", pw); 3931 } 3932 } 3933 3934 pw.println(" "); 3935 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 3936 } 3937 } 3938 } 3939 3940 @Override 3941 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 3942 ComponentName activity) { 3943 synchronized (this) { 3944 if (who == null) { 3945 throw new NullPointerException("ComponentName is null"); 3946 } 3947 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3948 3949 IPackageManager pm = AppGlobals.getPackageManager(); 3950 long id = Binder.clearCallingIdentity(); 3951 try { 3952 pm.addPersistentPreferredActivity(filter, activity, UserHandle.getCallingUserId()); 3953 } catch (RemoteException re) { 3954 // Shouldn't happen 3955 } finally { 3956 restoreCallingIdentity(id); 3957 } 3958 } 3959 } 3960 3961 @Override 3962 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 3963 synchronized (this) { 3964 if (who == null) { 3965 throw new NullPointerException("ComponentName is null"); 3966 } 3967 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3968 3969 IPackageManager pm = AppGlobals.getPackageManager(); 3970 long id = Binder.clearCallingIdentity(); 3971 try { 3972 pm.clearPackagePersistentPreferredActivities(packageName, UserHandle.getCallingUserId()); 3973 } catch (RemoteException re) { 3974 // Shouldn't happen 3975 } finally { 3976 restoreCallingIdentity(id); 3977 } 3978 } 3979 } 3980 3981 @Override 3982 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 3983 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3984 3985 synchronized (this) { 3986 if (who == null) { 3987 throw new NullPointerException("ComponentName is null"); 3988 } 3989 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3990 3991 long id = Binder.clearCallingIdentity(); 3992 try { 3993 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 3994 } finally { 3995 restoreCallingIdentity(id); 3996 } 3997 } 3998 } 3999 4000 public void setTrustAgentFeaturesEnabled(ComponentName admin, ComponentName agent, 4001 List<String>features, int userHandle) { 4002 if (!mHasFeature) { 4003 return; 4004 } 4005 enforceCrossUserPermission(userHandle); 4006 enforceNotManagedProfile(userHandle, "manage trust agent features"); 4007 synchronized (this) { 4008 if (admin == null) { 4009 throw new NullPointerException("admin is null"); 4010 } 4011 if (agent == null) { 4012 throw new NullPointerException("agent is null"); 4013 } 4014 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4015 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4016 ap.trustAgentFeatures.put(agent.flattenToString(), features); 4017 saveSettingsLocked(userHandle); 4018 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4019 } 4020 } 4021 4022 public List<String> getTrustAgentFeaturesEnabled(ComponentName admin, ComponentName agent, 4023 int userHandle) { 4024 if (!mHasFeature) { 4025 return null; 4026 } 4027 enforceCrossUserPermission(userHandle); 4028 synchronized (this) { 4029 if (agent == null) { 4030 throw new NullPointerException("agent is null"); 4031 } 4032 final String componentName = agent.flattenToString(); 4033 if (admin != null) { 4034 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4035 return (ap != null) ? ap.trustAgentFeatures.get(componentName) : null; 4036 } 4037 4038 // Return strictest policy for this user and profiles that are visible from this user. 4039 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4040 List<String> result = null; 4041 for (UserInfo userInfo : profiles) { 4042 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 4043 final int N = policy.mAdminList.size(); 4044 for (int i=0; i<N; i++) { 4045 ActiveAdmin ap = policy.mAdminList.get(i); 4046 // Compute the intersection of all features for active admins that disable 4047 // trust agents: 4048 if ((ap.disabledKeyguardFeatures 4049 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0) { 4050 final List<String> features = ap.trustAgentFeatures.get(componentName); 4051 if (result == null) { 4052 if (features == null || features.size() == 0) { 4053 result = new ArrayList<String>(); 4054 Slog.w(LOG_TAG, "admin " + ap.info.getPackageName() 4055 + " has null trust agent feature set; all will be disabled"); 4056 } else { 4057 result = new ArrayList<String>(features.size()); 4058 result.addAll(features); 4059 } 4060 } else { 4061 result.retainAll(features); 4062 } 4063 } 4064 } 4065 } 4066 return result; 4067 } 4068 } 4069 4070 @Override 4071 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4072 synchronized (this) { 4073 if (who == null) { 4074 throw new NullPointerException("ComponentName is null"); 4075 } 4076 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4077 4078 int userHandle = UserHandle.getCallingUserId(); 4079 DevicePolicyData userData = getUserData(userHandle); 4080 userData.mRestrictionsProvider = permissionProvider; 4081 saveSettingsLocked(userHandle); 4082 } 4083 } 4084 4085 @Override 4086 public ComponentName getRestrictionsProvider(int userHandle) { 4087 synchronized (this) { 4088 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4089 throw new SecurityException("Only the system can query the permission provider"); 4090 } 4091 DevicePolicyData userData = getUserData(userHandle); 4092 return userData != null ? userData.mRestrictionsProvider : null; 4093 } 4094 } 4095 4096 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4097 int callingUserId = UserHandle.getCallingUserId(); 4098 synchronized (this) { 4099 if (who == null) { 4100 throw new NullPointerException("ComponentName is null"); 4101 } 4102 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4103 4104 IPackageManager pm = AppGlobals.getPackageManager(); 4105 long id = Binder.clearCallingIdentity(); 4106 try { 4107 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4108 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4109 mContext.getUserId(), callingUserId, UserHandle.USER_OWNER, 0); 4110 } 4111 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4112 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4113 mContext.getUserId(), UserHandle.USER_OWNER, callingUserId, 0); 4114 } 4115 } catch (RemoteException re) { 4116 // Shouldn't happen 4117 } finally { 4118 restoreCallingIdentity(id); 4119 } 4120 } 4121 } 4122 4123 public void clearCrossProfileIntentFilters(ComponentName who) { 4124 int callingUserId = UserHandle.getCallingUserId(); 4125 synchronized (this) { 4126 if (who == null) { 4127 throw new NullPointerException("ComponentName is null"); 4128 } 4129 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4130 IPackageManager pm = AppGlobals.getPackageManager(); 4131 long id = Binder.clearCallingIdentity(); 4132 try { 4133 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName(), 4134 callingUserId); 4135 // If we want to support multiple managed profiles, we will have to only remove 4136 // those that have callingUserId as their target. 4137 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName(), 4138 callingUserId); 4139 } catch (RemoteException re) { 4140 // Shouldn't happen 4141 } finally { 4142 restoreCallingIdentity(id); 4143 } 4144 } 4145 } 4146 4147 /** 4148 * @return true if all packages in enabledPackages are either in the list 4149 * permittedList or are a system app. 4150 */ 4151 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4152 List<String> permittedList) { 4153 int userIdToCheck = UserHandle.getCallingUserId(); 4154 long id = Binder.clearCallingIdentity(); 4155 try { 4156 // If we have an enabled packages list for a managed profile the packages 4157 // we should check are installed for the parent user. 4158 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4159 if (user.isManagedProfile()) { 4160 userIdToCheck = user.profileGroupId; 4161 } 4162 4163 IPackageManager pm = AppGlobals.getPackageManager(); 4164 for (String enabledPackage : enabledPackages) { 4165 boolean systemService = false; 4166 try { 4167 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4168 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4169 systemService = (applicationInfo.flags 4170 & ApplicationInfo.FLAG_SYSTEM) != 0; 4171 } catch (RemoteException e) { 4172 Log.i(LOG_TAG, "Can't talk to package managed", e); 4173 } 4174 if (!systemService && !permittedList.contains(enabledPackage)) { 4175 return false; 4176 } 4177 } 4178 } finally { 4179 restoreCallingIdentity(id); 4180 } 4181 return true; 4182 } 4183 4184 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4185 // Not using AccessibilityManager.getInstance because that guesses 4186 // at the user you require based on callingUid and caches for a given 4187 // process. 4188 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4189 IAccessibilityManager service = iBinder == null 4190 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4191 return new AccessibilityManager(mContext, service, userId); 4192 } 4193 4194 @Override 4195 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4196 if (!mHasFeature) { 4197 return false; 4198 } 4199 if (who == null) { 4200 throw new NullPointerException("ComponentName is null"); 4201 } 4202 4203 if (packageList != null) { 4204 int userId = UserHandle.getCallingUserId(); 4205 List<AccessibilityServiceInfo> enabledServices = null; 4206 long id = Binder.clearCallingIdentity(); 4207 try { 4208 UserInfo user = mUserManager.getUserInfo(userId); 4209 if (user.isManagedProfile()) { 4210 userId = user.profileGroupId; 4211 } 4212 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4213 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4214 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 4215 } finally { 4216 restoreCallingIdentity(id); 4217 } 4218 4219 if (enabledServices != null) { 4220 List<String> enabledPackages = new ArrayList<String>(); 4221 for (AccessibilityServiceInfo service : enabledServices) { 4222 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 4223 } 4224 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4225 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 4226 + "because it contains already enabled accesibility services."); 4227 return false; 4228 } 4229 } 4230 } 4231 4232 synchronized (this) { 4233 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4234 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4235 admin.permittedAccessiblityServices = packageList; 4236 saveSettingsLocked(UserHandle.getCallingUserId()); 4237 } 4238 return true; 4239 } 4240 4241 @Override 4242 public List getPermittedAccessibilityServices(ComponentName who) { 4243 if (!mHasFeature) { 4244 return null; 4245 } 4246 4247 if (who == null) { 4248 throw new NullPointerException("ComponentName is null"); 4249 } 4250 4251 synchronized (this) { 4252 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4253 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4254 return admin.permittedAccessiblityServices; 4255 } 4256 } 4257 4258 @Override 4259 public List getPermittedAccessibilityServicesForUser(int userId) { 4260 if (!mHasFeature) { 4261 return null; 4262 } 4263 synchronized (this) { 4264 List<String> result = null; 4265 // If we have multiple profiles we return the intersection of the 4266 // permitted lists. This can happen in cases where we have a device 4267 // and profile owner. 4268 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4269 final int PROFILES_SIZE = profiles.size(); 4270 for (int i = 0; i < PROFILES_SIZE; ++i) { 4271 // Just loop though all admins, only device or profiles 4272 // owners can have permitted lists set. 4273 DevicePolicyData policy = getUserData(profiles.get(i).id); 4274 final int N = policy.mAdminList.size(); 4275 for (int j = 0; j < N; j++) { 4276 ActiveAdmin admin = policy.mAdminList.get(j); 4277 List<String> fromAdmin = admin.permittedAccessiblityServices; 4278 if (fromAdmin != null) { 4279 if (result == null) { 4280 result = new ArrayList<String>(fromAdmin); 4281 } else { 4282 result.retainAll(fromAdmin); 4283 } 4284 } 4285 } 4286 } 4287 4288 // If we have a permitted list add all system accessibility services. 4289 if (result != null) { 4290 long id = Binder.clearCallingIdentity(); 4291 try { 4292 UserInfo user = mUserManager.getUserInfo(userId); 4293 if (user.isManagedProfile()) { 4294 userId = user.profileGroupId; 4295 } 4296 AccessibilityManager accessibilityManager = 4297 getAccessibilityManagerForUser(userId); 4298 List<AccessibilityServiceInfo> installedServices = 4299 accessibilityManager.getInstalledAccessibilityServiceList(); 4300 4301 IPackageManager pm = AppGlobals.getPackageManager(); 4302 if (installedServices != null) { 4303 for (AccessibilityServiceInfo service : installedServices) { 4304 String packageName = service.getResolveInfo().serviceInfo.packageName; 4305 try { 4306 ApplicationInfo applicationInfo = pm.getApplicationInfo(packageName, 4307 PackageManager.GET_UNINSTALLED_PACKAGES, userId); 4308 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4309 result.add(packageName); 4310 } 4311 } catch (RemoteException e) { 4312 Log.i(LOG_TAG, "Accessibility service in missing package", e); 4313 } 4314 } 4315 } 4316 } finally { 4317 restoreCallingIdentity(id); 4318 } 4319 } 4320 4321 return result; 4322 } 4323 } 4324 4325 private boolean checkCallerIsCurrentUserOrProfile() { 4326 int callingUserId = UserHandle.getCallingUserId(); 4327 long token = Binder.clearCallingIdentity(); 4328 try { 4329 UserInfo currentUser; 4330 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4331 try { 4332 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4333 } catch (RemoteException e) { 4334 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4335 return false; 4336 } 4337 4338 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4339 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4340 + "of a user that isn't the foreground user."); 4341 return false; 4342 } 4343 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4344 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4345 + "of a user that isn't the foreground user."); 4346 return false; 4347 } 4348 } finally { 4349 Binder.restoreCallingIdentity(token); 4350 } 4351 return true; 4352 } 4353 4354 @Override 4355 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4356 if (!mHasFeature) { 4357 return false; 4358 } 4359 if (who == null) { 4360 throw new NullPointerException("ComponentName is null"); 4361 } 4362 4363 // TODO When InputMethodManager supports per user calls remove 4364 // this restriction. 4365 if (!checkCallerIsCurrentUserOrProfile()) { 4366 return false; 4367 } 4368 4369 if (packageList != null) { 4370 // InputMethodManager fetches input methods for current user. 4371 // So this can only be set when calling user is the current user 4372 // or parent is current user in case of managed profiles. 4373 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4374 .getSystemService(Context.INPUT_METHOD_SERVICE); 4375 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4376 4377 if (enabledImes != null) { 4378 List<String> enabledPackages = new ArrayList<String>(); 4379 for (InputMethodInfo ime : enabledImes) { 4380 enabledPackages.add(ime.getPackageName()); 4381 } 4382 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4383 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4384 + "because it contains already enabled input method."); 4385 return false; 4386 } 4387 } 4388 } 4389 4390 synchronized (this) { 4391 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4392 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4393 admin.permittedInputMethods = packageList; 4394 saveSettingsLocked(UserHandle.getCallingUserId()); 4395 } 4396 return true; 4397 } 4398 4399 @Override 4400 public List getPermittedInputMethods(ComponentName who) { 4401 if (!mHasFeature) { 4402 return null; 4403 } 4404 4405 if (who == null) { 4406 throw new NullPointerException("ComponentName is null"); 4407 } 4408 4409 synchronized (this) { 4410 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4411 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4412 return admin.permittedInputMethods; 4413 } 4414 } 4415 4416 @Override 4417 public List getPermittedInputMethodsForCurrentUser() { 4418 UserInfo currentUser; 4419 try { 4420 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4421 } catch (RemoteException e) { 4422 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 4423 // Activity managed is dead, just allow all IMEs 4424 return null; 4425 } 4426 4427 int userId = currentUser.id; 4428 synchronized (this) { 4429 List<String> result = null; 4430 // If we have multiple profiles we return the intersection of the 4431 // permitted lists. This can happen in cases where we have a device 4432 // and profile owner. 4433 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4434 final int PROFILES_SIZE = profiles.size(); 4435 for (int i = 0; i < PROFILES_SIZE; ++i) { 4436 // Just loop though all admins, only device or profiles 4437 // owners can have permitted lists set. 4438 DevicePolicyData policy = getUserData(profiles.get(i).id); 4439 final int N = policy.mAdminList.size(); 4440 for (int j = 0; j < N; j++) { 4441 ActiveAdmin admin = policy.mAdminList.get(j); 4442 List<String> fromAdmin = admin.permittedInputMethods; 4443 if (fromAdmin != null) { 4444 if (result == null) { 4445 result = new ArrayList<String>(fromAdmin); 4446 } else { 4447 result.retainAll(fromAdmin); 4448 } 4449 } 4450 } 4451 } 4452 4453 // If we have a permitted list add all system input methods. 4454 if (result != null) { 4455 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4456 .getSystemService(Context.INPUT_METHOD_SERVICE); 4457 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 4458 long id = Binder.clearCallingIdentity(); 4459 try { 4460 IPackageManager pm = AppGlobals.getPackageManager(); 4461 if (imes != null) { 4462 for (InputMethodInfo ime : imes) { 4463 String packageName = ime.getPackageName(); 4464 try { 4465 ApplicationInfo applicationInfo = pm.getApplicationInfo( 4466 packageName, PackageManager.GET_UNINSTALLED_PACKAGES, 4467 userId); 4468 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4469 result.add(packageName); 4470 } 4471 } catch (RemoteException e) { 4472 Log.i(LOG_TAG, "Input method for missing package", e); 4473 } 4474 } 4475 } 4476 } finally { 4477 restoreCallingIdentity(id); 4478 } 4479 } 4480 return result; 4481 } 4482 } 4483 4484 @Override 4485 public UserHandle createUser(ComponentName who, String name) { 4486 synchronized (this) { 4487 if (who == null) { 4488 throw new NullPointerException("ComponentName is null"); 4489 } 4490 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4491 4492 long id = Binder.clearCallingIdentity(); 4493 try { 4494 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 4495 if (userInfo != null) { 4496 return userInfo.getUserHandle(); 4497 } 4498 return null; 4499 } finally { 4500 restoreCallingIdentity(id); 4501 } 4502 } 4503 } 4504 4505 @Override 4506 public UserHandle createAndInitializeUser(ComponentName who, String name, 4507 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 4508 UserHandle user = createUser(who, name); 4509 long id = Binder.clearCallingIdentity(); 4510 try { 4511 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 4512 final IPackageManager ipm = AppGlobals.getPackageManager(); 4513 IActivityManager activityManager = ActivityManagerNative.getDefault(); 4514 4515 try { 4516 // Install the profile owner if not present. 4517 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 4518 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 4519 } 4520 4521 // Start user in background. 4522 activityManager.startUserInBackground(user.getIdentifier()); 4523 } catch (RemoteException e) { 4524 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 4525 } 4526 4527 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 4528 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 4529 return user; 4530 } finally { 4531 restoreCallingIdentity(id); 4532 } 4533 } 4534 4535 @Override 4536 public boolean removeUser(ComponentName who, UserHandle userHandle) { 4537 synchronized (this) { 4538 if (who == null) { 4539 throw new NullPointerException("ComponentName is null"); 4540 } 4541 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4542 4543 long id = Binder.clearCallingIdentity(); 4544 try { 4545 return mUserManager.removeUser(userHandle.getIdentifier()); 4546 } finally { 4547 restoreCallingIdentity(id); 4548 } 4549 } 4550 } 4551 4552 @Override 4553 public boolean switchUser(ComponentName who, UserHandle userHandle) { 4554 synchronized (this) { 4555 if (who == null) { 4556 throw new NullPointerException("ComponentName is null"); 4557 } 4558 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4559 4560 long id = Binder.clearCallingIdentity(); 4561 try { 4562 int userId = UserHandle.USER_OWNER; 4563 if (userHandle != null) { 4564 userId = userHandle.getIdentifier(); 4565 } 4566 return ActivityManagerNative.getDefault().switchUser(userId); 4567 } catch (RemoteException e) { 4568 Log.e(LOG_TAG, "Couldn't switch user", e); 4569 return false; 4570 } finally { 4571 restoreCallingIdentity(id); 4572 } 4573 } 4574 } 4575 4576 @Override 4577 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 4578 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4579 4580 synchronized (this) { 4581 if (who == null) { 4582 throw new NullPointerException("ComponentName is null"); 4583 } 4584 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4585 4586 long id = Binder.clearCallingIdentity(); 4587 try { 4588 return mUserManager.getApplicationRestrictions(packageName, userHandle); 4589 } finally { 4590 restoreCallingIdentity(id); 4591 } 4592 } 4593 } 4594 4595 @Override 4596 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 4597 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4598 4599 synchronized (this) { 4600 if (who == null) { 4601 throw new NullPointerException("ComponentName is null"); 4602 } 4603 ActiveAdmin activeAdmin = 4604 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4605 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 4606 if (!isDeviceOwner && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 4607 throw new SecurityException("Profile owners cannot set user restriction " + key); 4608 } 4609 4610 long id = Binder.clearCallingIdentity(); 4611 try { 4612 AudioManager audioManager = 4613 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 4614 boolean alreadyRestricted = mUserManager.hasUserRestriction(key); 4615 4616 if (enabled && !alreadyRestricted) { 4617 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 4618 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4619 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 4620 userHandle.getIdentifier()); 4621 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 4622 UsbManager manager = 4623 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 4624 manager.setCurrentFunction("none", false); 4625 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 4626 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4627 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 4628 userHandle.getIdentifier()); 4629 Settings.Secure.putStringForUser(mContext.getContentResolver(), 4630 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 4631 userHandle.getIdentifier()); 4632 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 4633 Settings.Global.putStringForUser(mContext.getContentResolver(), 4634 Settings.Global.ADB_ENABLED, "0", userHandle.getIdentifier()); 4635 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 4636 Settings.Global.putStringForUser(mContext.getContentResolver(), 4637 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 4638 userHandle.getIdentifier()); 4639 Settings.Global.putStringForUser(mContext.getContentResolver(), 4640 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 4641 userHandle.getIdentifier()); 4642 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 4643 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4644 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 4645 userHandle.getIdentifier()); 4646 } else if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4647 audioManager.setMicrophoneMute(true); 4648 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4649 audioManager.setMasterMute(true); 4650 } 4651 } 4652 4653 mUserManager.setUserRestriction(key, enabled, userHandle); 4654 4655 if (!enabled && alreadyRestricted) { 4656 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4657 audioManager.setMicrophoneMute(false); 4658 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4659 audioManager.setMasterMute(false); 4660 } 4661 } 4662 4663 } finally { 4664 restoreCallingIdentity(id); 4665 } 4666 } 4667 } 4668 4669 @Override 4670 public boolean setApplicationHidden(ComponentName who, String packageName, 4671 boolean hidden) { 4672 int callingUserId = UserHandle.getCallingUserId(); 4673 synchronized (this) { 4674 if (who == null) { 4675 throw new NullPointerException("ComponentName is null"); 4676 } 4677 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4678 4679 long id = Binder.clearCallingIdentity(); 4680 try { 4681 IPackageManager pm = AppGlobals.getPackageManager(); 4682 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 4683 } catch (RemoteException re) { 4684 // shouldn't happen 4685 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 4686 } finally { 4687 restoreCallingIdentity(id); 4688 } 4689 return false; 4690 } 4691 } 4692 4693 @Override 4694 public boolean isApplicationHidden(ComponentName who, String packageName) { 4695 int callingUserId = UserHandle.getCallingUserId(); 4696 synchronized (this) { 4697 if (who == null) { 4698 throw new NullPointerException("ComponentName is null"); 4699 } 4700 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4701 4702 long id = Binder.clearCallingIdentity(); 4703 try { 4704 IPackageManager pm = AppGlobals.getPackageManager(); 4705 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 4706 } catch (RemoteException re) { 4707 // shouldn't happen 4708 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 4709 } finally { 4710 restoreCallingIdentity(id); 4711 } 4712 return false; 4713 } 4714 } 4715 4716 @Override 4717 public void enableSystemApp(ComponentName who, String packageName) { 4718 synchronized (this) { 4719 if (who == null) { 4720 throw new NullPointerException("ComponentName is null"); 4721 } 4722 4723 // This API can only be called by an active device admin, 4724 // so try to retrieve it to check that the caller is one. 4725 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4726 4727 int userId = UserHandle.getCallingUserId(); 4728 long id = Binder.clearCallingIdentity(); 4729 4730 try { 4731 UserManager um = UserManager.get(mContext); 4732 if (!um.getUserInfo(userId).isManagedProfile()) { 4733 throw new IllegalStateException( 4734 "Only call this method from a managed profile."); 4735 } 4736 4737 UserInfo primaryUser = um.getProfileParent(userId); 4738 4739 if (DBG) { 4740 Slog.v(LOG_TAG, "installing " + packageName + " for " 4741 + userId); 4742 } 4743 4744 IPackageManager pm = AppGlobals.getPackageManager(); 4745 if (!isSystemApp(pm, packageName, primaryUser.id)) { 4746 throw new IllegalArgumentException("Only system apps can be enabled this way."); 4747 } 4748 4749 // Install the app. 4750 pm.installExistingPackageAsUser(packageName, userId); 4751 4752 } catch (RemoteException re) { 4753 // shouldn't happen 4754 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 4755 } finally { 4756 restoreCallingIdentity(id); 4757 } 4758 } 4759 } 4760 4761 @Override 4762 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 4763 synchronized (this) { 4764 if (who == null) { 4765 throw new NullPointerException("ComponentName is null"); 4766 } 4767 4768 // This API can only be called by an active device admin, 4769 // so try to retrieve it to check that the caller is one. 4770 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4771 4772 int userId = UserHandle.getCallingUserId(); 4773 long id = Binder.clearCallingIdentity(); 4774 4775 try { 4776 UserManager um = UserManager.get(mContext); 4777 if (!um.getUserInfo(userId).isManagedProfile()) { 4778 throw new IllegalStateException( 4779 "Only call this method from a managed profile."); 4780 } 4781 4782 UserInfo primaryUser = um.getProfileParent(userId); 4783 4784 IPackageManager pm = AppGlobals.getPackageManager(); 4785 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 4786 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 4787 0, // no flags 4788 primaryUser.id); 4789 4790 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 4791 int numberOfAppsInstalled = 0; 4792 if (activitiesToEnable != null) { 4793 for (ResolveInfo info : activitiesToEnable) { 4794 if (info.activityInfo != null) { 4795 4796 if (!isSystemApp(pm, info.activityInfo.packageName, primaryUser.id)) { 4797 throw new IllegalArgumentException( 4798 "Only system apps can be enabled this way."); 4799 } 4800 4801 4802 numberOfAppsInstalled++; 4803 pm.installExistingPackageAsUser(info.activityInfo.packageName, userId); 4804 } 4805 } 4806 } 4807 return numberOfAppsInstalled; 4808 } catch (RemoteException e) { 4809 // shouldn't happen 4810 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 4811 return 0; 4812 } finally { 4813 restoreCallingIdentity(id); 4814 } 4815 } 4816 } 4817 4818 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 4819 throws RemoteException { 4820 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0, userId); 4821 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) > 0; 4822 } 4823 4824 @Override 4825 public void setAccountManagementDisabled(ComponentName who, String accountType, 4826 boolean disabled) { 4827 if (!mHasFeature) { 4828 return; 4829 } 4830 synchronized (this) { 4831 if (who == null) { 4832 throw new NullPointerException("ComponentName is null"); 4833 } 4834 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4835 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4836 if (disabled) { 4837 ap.accountTypesWithManagementDisabled.add(accountType); 4838 } else { 4839 ap.accountTypesWithManagementDisabled.remove(accountType); 4840 } 4841 saveSettingsLocked(UserHandle.getCallingUserId()); 4842 } 4843 } 4844 4845 @Override 4846 public String[] getAccountTypesWithManagementDisabled() { 4847 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 4848 } 4849 4850 @Override 4851 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 4852 enforceCrossUserPermission(userId); 4853 if (!mHasFeature) { 4854 return null; 4855 } 4856 synchronized (this) { 4857 DevicePolicyData policy = getUserData(userId); 4858 final int N = policy.mAdminList.size(); 4859 HashSet<String> resultSet = new HashSet<String>(); 4860 for (int i = 0; i < N; i++) { 4861 ActiveAdmin admin = policy.mAdminList.get(i); 4862 resultSet.addAll(admin.accountTypesWithManagementDisabled); 4863 } 4864 return resultSet.toArray(new String[resultSet.size()]); 4865 } 4866 } 4867 4868 @Override 4869 public void setUninstallBlocked(ComponentName who, String packageName, 4870 boolean uninstallBlocked) { 4871 final int userId = UserHandle.getCallingUserId(); 4872 4873 synchronized (this) { 4874 if (who == null) { 4875 throw new NullPointerException("ComponentName is null"); 4876 } 4877 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4878 4879 long id = Binder.clearCallingIdentity(); 4880 try { 4881 IPackageManager pm = AppGlobals.getPackageManager(); 4882 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 4883 } catch (RemoteException re) { 4884 // Shouldn't happen. 4885 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 4886 } finally { 4887 restoreCallingIdentity(id); 4888 } 4889 } 4890 } 4891 4892 @Override 4893 public boolean isUninstallBlocked(ComponentName who, String packageName) { 4894 final int userId = UserHandle.getCallingUserId(); 4895 4896 synchronized (this) { 4897 if (who == null) { 4898 throw new NullPointerException("ComponentName is null"); 4899 } 4900 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4901 4902 long id = Binder.clearCallingIdentity(); 4903 try { 4904 IPackageManager pm = AppGlobals.getPackageManager(); 4905 return pm.getBlockUninstallForUser(packageName, userId); 4906 } catch (RemoteException re) { 4907 // Shouldn't happen. 4908 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 4909 } finally { 4910 restoreCallingIdentity(id); 4911 } 4912 } 4913 return false; 4914 } 4915 4916 @Override 4917 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 4918 if (!mHasFeature) { 4919 return; 4920 } 4921 synchronized (this) { 4922 if (who == null) { 4923 throw new NullPointerException("ComponentName is null"); 4924 } 4925 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4926 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4927 if (admin.disableCallerId != disabled) { 4928 admin.disableCallerId = disabled; 4929 saveSettingsLocked(UserHandle.getCallingUserId()); 4930 } 4931 } 4932 } 4933 4934 @Override 4935 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 4936 if (!mHasFeature) { 4937 return false; 4938 } 4939 4940 synchronized (this) { 4941 if (who == null) { 4942 throw new NullPointerException("ComponentName is null"); 4943 } 4944 4945 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4946 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4947 return admin.disableCallerId; 4948 } 4949 } 4950 4951 @Override 4952 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 4953 // TODO: Should there be a check to make sure this relationship is within a profile group? 4954 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 4955 synchronized (this) { 4956 ActiveAdmin admin = getProfileOwnerAdmin(userId); 4957 return (admin != null) ? admin.disableCallerId : false; 4958 } 4959 } 4960 4961 /** 4962 * Sets which packages may enter lock task mode. 4963 * 4964 * This function can only be called by the device owner. 4965 * @param components The list of components allowed to enter lock task mode. 4966 */ 4967 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 4968 synchronized (this) { 4969 if (who == null) { 4970 throw new NullPointerException("ComponentName is null"); 4971 } 4972 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4973 4974 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 4975 DevicePolicyData policy = getUserData(userHandle); 4976 policy.mLockTaskPackages.clear(); 4977 if (packages != null) { 4978 for (int j = 0; j < packages.length; j++) { 4979 String pkg = packages[j]; 4980 policy.mLockTaskPackages.add(pkg); 4981 } 4982 } 4983 4984 // Store the settings persistently. 4985 saveSettingsLocked(userHandle); 4986 } 4987 } 4988 4989 /** 4990 * This function returns the list of components allowed to start the task lock mode. 4991 */ 4992 public String[] getLockTaskPackages(ComponentName who) { 4993 synchronized (this) { 4994 if (who == null) { 4995 throw new NullPointerException("ComponentName is null"); 4996 } 4997 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4998 4999 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5000 DevicePolicyData policy = getUserData(userHandle); 5001 return policy.mLockTaskPackages.toArray(new String[0]); 5002 } 5003 } 5004 5005 /** 5006 * This function lets the caller know whether the given package is allowed to start the 5007 * lock task mode. 5008 * @param pkg The package to check 5009 */ 5010 public boolean isLockTaskPermitted(String pkg) { 5011 // Get current user's devicepolicy 5012 int uid = Binder.getCallingUid(); 5013 int userHandle = UserHandle.getUserId(uid); 5014 DevicePolicyData policy = getUserData(userHandle); 5015 synchronized (this) { 5016 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5017 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5018 5019 // If the given package equals one of the packages stored our list, 5020 // we allow this package to start lock task mode. 5021 if (lockTaskPackage.equals(pkg)) { 5022 return true; 5023 } 5024 } 5025 } 5026 return false; 5027 } 5028 5029 @Override 5030 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5031 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5032 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5033 } 5034 synchronized (this) { 5035 final DevicePolicyData policy = getUserData(userHandle); 5036 Bundle adminExtras = new Bundle(); 5037 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5038 for (ActiveAdmin admin : policy.mAdminList) { 5039 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5040 boolean ownsProfile = (getProfileOwner(userHandle) != null 5041 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5042 if (ownsDevice || ownsProfile) { 5043 if (isEnabled) { 5044 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5045 adminExtras, null); 5046 } else { 5047 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5048 } 5049 } 5050 } 5051 } 5052 } 5053 5054 @Override 5055 public void setGlobalSetting(ComponentName who, String setting, String value) { 5056 final ContentResolver contentResolver = mContext.getContentResolver(); 5057 5058 synchronized (this) { 5059 if (who == null) { 5060 throw new NullPointerException("ComponentName is null"); 5061 } 5062 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5063 5064 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5065 throw new SecurityException(String.format( 5066 "Permission denial: device owners cannot update %1$s", setting)); 5067 } 5068 5069 long id = Binder.clearCallingIdentity(); 5070 try { 5071 Settings.Global.putString(contentResolver, setting, value); 5072 } finally { 5073 restoreCallingIdentity(id); 5074 } 5075 } 5076 } 5077 5078 @Override 5079 public void setSecureSetting(ComponentName who, String setting, String value) { 5080 int callingUserId = UserHandle.getCallingUserId(); 5081 final ContentResolver contentResolver = mContext.getContentResolver(); 5082 5083 synchronized (this) { 5084 if (who == null) { 5085 throw new NullPointerException("ComponentName is null"); 5086 } 5087 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5088 5089 if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5090 throw new SecurityException(String.format( 5091 "Permission denial: profile/device owners cannot update %1$s", setting)); 5092 } 5093 5094 long id = Binder.clearCallingIdentity(); 5095 try { 5096 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5097 } finally { 5098 restoreCallingIdentity(id); 5099 } 5100 } 5101 } 5102 5103 @Override 5104 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5105 final ContentResolver contentResolver = mContext.getContentResolver(); 5106 5107 synchronized (this) { 5108 if (who == null) { 5109 throw new NullPointerException("ComponentName is null"); 5110 } 5111 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5112 5113 IAudioService iAudioService = IAudioService.Stub.asInterface( 5114 ServiceManager.getService(Context.AUDIO_SERVICE)); 5115 try{ 5116 iAudioService.setMasterMute(on, 0, who.getPackageName(), null); 5117 } catch (RemoteException re) { 5118 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5119 } 5120 } 5121 } 5122 5123 @Override 5124 public boolean isMasterVolumeMuted(ComponentName who) { 5125 final ContentResolver contentResolver = mContext.getContentResolver(); 5126 5127 synchronized (this) { 5128 if (who == null) { 5129 throw new NullPointerException("ComponentName is null"); 5130 } 5131 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5132 5133 AudioManager audioManager = 5134 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5135 return audioManager.isMasterMute(); 5136 } 5137 } 5138 5139 /** 5140 * We need to update the internal state of whether a user has completed setup once. After 5141 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5142 * as we don't trust any apps that might try to reset it. 5143 * <p> 5144 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5145 * them. 5146 */ 5147 void updateUserSetupComplete() { 5148 List<UserInfo> users = mUserManager.getUsers(true); 5149 ContentResolver resolver = mContext.getContentResolver(); 5150 final int N = users.size(); 5151 for (int i = 0; i < N; i++) { 5152 int userHandle = users.get(i).id; 5153 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5154 userHandle) != 0) { 5155 DevicePolicyData policy = getUserData(userHandle); 5156 if (!policy.mUserSetupComplete) { 5157 policy.mUserSetupComplete = true; 5158 synchronized (this) { 5159 saveSettingsLocked(userHandle); 5160 } 5161 } 5162 } 5163 } 5164 } 5165 5166 private class SetupContentObserver extends ContentObserver { 5167 5168 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5169 Settings.Secure.USER_SETUP_COMPLETE); 5170 5171 public SetupContentObserver(Handler handler) { 5172 super(handler); 5173 } 5174 5175 void register(ContentResolver resolver) { 5176 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5177 } 5178 5179 @Override 5180 public void onChange(boolean selfChange, Uri uri) { 5181 if (mUserSetupComplete.equals(uri)) { 5182 updateUserSetupComplete(); 5183 } 5184 } 5185 } 5186 5187 private final class LocalService extends DevicePolicyManagerInternal { 5188 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5189 5190 @Override 5191 public List<String> getCrossProfileWidgetProviders(int profileId) { 5192 synchronized (DevicePolicyManagerService.this) { 5193 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5194 if (ownerComponent == null) { 5195 return Collections.emptyList(); 5196 } 5197 5198 DevicePolicyData policy = getUserData(profileId); 5199 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 5200 5201 if (admin == null || admin.crossProfileWidgetProviders == null 5202 || admin.crossProfileWidgetProviders.isEmpty()) { 5203 return Collections.emptyList(); 5204 } 5205 5206 return admin.crossProfileWidgetProviders; 5207 } 5208 } 5209 5210 @Override 5211 public void addOnCrossProfileWidgetProvidersChangeListener( 5212 OnCrossProfileWidgetProvidersChangeListener listener) { 5213 synchronized (DevicePolicyManagerService.this) { 5214 if (mWidgetProviderListeners == null) { 5215 mWidgetProviderListeners = new ArrayList<>(); 5216 } 5217 if (!mWidgetProviderListeners.contains(listener)) { 5218 mWidgetProviderListeners.add(listener); 5219 } 5220 } 5221 } 5222 5223 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 5224 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 5225 synchronized (DevicePolicyManagerService.this) { 5226 listeners = new ArrayList<>(mWidgetProviderListeners); 5227 } 5228 final int listenerCount = listeners.size(); 5229 for (int i = 0; i < listenerCount; i++) { 5230 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 5231 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 5232 } 5233 } 5234 } 5235} 5236