DevicePolicyManagerService.java revision 127343cb460c8d23f9fb59bcf4bcea6e9b9cea03
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.PackageManager; 44import android.content.pm.PackageManager.NameNotFoundException; 45import android.content.pm.ResolveInfo; 46import android.content.pm.UserInfo; 47import android.media.AudioManager; 48import android.media.IAudioService; 49import android.net.ConnectivityManager; 50import android.net.Uri; 51import android.database.ContentObserver; 52import android.hardware.usb.UsbManager; 53import android.net.ProxyInfo; 54import android.os.Binder; 55import android.os.Bundle; 56import android.os.Environment; 57import android.os.Handler; 58import android.os.IBinder; 59import android.os.IPowerManager; 60import android.os.PowerManager; 61import android.os.Process; 62import android.os.RecoverySystem; 63import android.os.RemoteCallback; 64import android.os.RemoteException; 65import android.os.ServiceManager; 66import android.os.SystemClock; 67import android.os.SystemProperties; 68import android.os.UserHandle; 69import android.os.UserManager; 70import android.provider.Settings; 71import android.security.Credentials; 72import android.security.KeyChain; 73import android.security.KeyChain.KeyChainConnection; 74import android.util.Log; 75import android.util.PrintWriterPrinter; 76import android.util.Printer; 77import android.util.Slog; 78import android.util.SparseArray; 79import android.util.Xml; 80import android.view.accessibility.AccessibilityManager; 81import android.view.accessibility.IAccessibilityManager; 82import android.view.inputmethod.InputMethodInfo; 83import android.view.inputmethod.InputMethodManager; 84import android.view.IWindowManager; 85 86import com.android.internal.R; 87import com.android.internal.os.storage.ExternalStorageFormatter; 88import com.android.internal.util.FastXmlSerializer; 89import com.android.internal.util.JournaledFile; 90import com.android.internal.util.XmlUtils; 91import com.android.internal.widget.LockPatternUtils; 92import com.android.org.conscrypt.TrustedCertificateStore; 93import com.android.server.LocalServices; 94import com.android.server.SystemService; 95 96import org.xmlpull.v1.XmlPullParser; 97 98import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 99import static org.xmlpull.v1.XmlPullParser.END_TAG; 100import static org.xmlpull.v1.XmlPullParser.TEXT; 101 102import org.xmlpull.v1.XmlPullParserException; 103import org.xmlpull.v1.XmlSerializer; 104 105import java.io.ByteArrayInputStream; 106import java.io.File; 107import java.io.FileDescriptor; 108import java.io.FileInputStream; 109import java.io.FileNotFoundException; 110import java.io.FileOutputStream; 111import java.io.IOException; 112import java.io.PrintWriter; 113import java.security.cert.CertificateException; 114import java.security.cert.CertificateFactory; 115import java.security.cert.X509Certificate; 116import java.text.DateFormat; 117import java.util.ArrayList; 118import java.util.Collections; 119import java.util.Date; 120import java.util.HashMap; 121import java.util.HashSet; 122import java.util.List; 123import java.util.Map.Entry; 124import java.util.Set; 125 126/** 127 * Implementation of the device policy APIs. 128 */ 129public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 130 131 private static final String LOG_TAG = "DevicePolicyManagerService"; 132 133 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 134 135 private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; 136 137 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 138 139 private static final long MS_PER_DAY = 86400 * 1000; 140 141 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 142 143 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 144 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 145 146 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 147 148 private static final boolean DBG = false; 149 150 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 151 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 152 153 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 154 static { 155 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 156 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 157 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 158 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 159 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 160 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 161 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 162 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 163 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 164 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 165 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 166 } 167 168 private static final Set<String> SECURE_SETTINGS_WHITELIST; 169 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 170 static { 171 SECURE_SETTINGS_WHITELIST = new HashSet(); 172 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 173 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 174 175 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 176 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 177 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 178 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 179 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.BLUETOOTH_ON); 180 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 181 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 182 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 183 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 184 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 185 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_ON); 186 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 187 } 188 189 final Context mContext; 190 final UserManager mUserManager; 191 final PowerManager.WakeLock mWakeLock; 192 193 final LocalService mLocalService; 194 195 IPowerManager mIPowerManager; 196 IWindowManager mIWindowManager; 197 NotificationManager mNotificationManager; 198 199 // Stores and loads state on device and profile owners. 200 private DeviceOwner mDeviceOwner; 201 202 /** 203 * Whether or not device admin feature is supported. If it isn't return defaults for all 204 * public methods. 205 */ 206 private boolean mHasFeature; 207 208 public static final class Lifecycle extends SystemService { 209 private DevicePolicyManagerService mService; 210 211 public Lifecycle(Context context) { 212 super(context); 213 mService = new DevicePolicyManagerService(context); 214 } 215 216 @Override 217 public void onStart() { 218 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 219 } 220 221 @Override 222 public void onBootPhase(int phase) { 223 if (phase == PHASE_LOCK_SETTINGS_READY) { 224 mService.systemReady(); 225 } 226 } 227 } 228 229 public static class DevicePolicyData { 230 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 231 int mActivePasswordLength = 0; 232 int mActivePasswordUpperCase = 0; 233 int mActivePasswordLowerCase = 0; 234 int mActivePasswordLetters = 0; 235 int mActivePasswordNumeric = 0; 236 int mActivePasswordSymbols = 0; 237 int mActivePasswordNonLetter = 0; 238 int mFailedPasswordAttempts = 0; 239 240 int mUserHandle; 241 int mPasswordOwner = -1; 242 long mLastMaximumTimeToLock = -1; 243 boolean mUserSetupComplete = false; 244 245 final HashMap<ComponentName, ActiveAdmin> mAdminMap 246 = new HashMap<ComponentName, ActiveAdmin>(); 247 final ArrayList<ActiveAdmin> mAdminList 248 = new ArrayList<ActiveAdmin>(); 249 250 // This is the list of component allowed to start lock task mode. 251 final List<String> mLockTaskPackages = new ArrayList<String>(); 252 253 ComponentName mRestrictionsProvider; 254 255 public DevicePolicyData(int userHandle) { 256 mUserHandle = userHandle; 257 } 258 } 259 260 final SparseArray<DevicePolicyData> mUserData = new SparseArray<DevicePolicyData>(); 261 262 Handler mHandler = new Handler(); 263 264 BroadcastReceiver mReceiver = new BroadcastReceiver() { 265 @Override 266 public void onReceive(Context context, Intent intent) { 267 final String action = intent.getAction(); 268 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 269 getSendingUserId()); 270 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 271 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 272 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 273 + action + " for user " + userHandle); 274 mHandler.post(new Runnable() { 275 public void run() { 276 handlePasswordExpirationNotification(userHandle); 277 } 278 }); 279 } 280 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 281 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 282 manageMonitoringCertificateNotification(intent); 283 } 284 if (Intent.ACTION_USER_REMOVED.equals(action)) { 285 removeUserData(userHandle); 286 } else if (Intent.ACTION_USER_STARTED.equals(action) 287 || Intent.ACTION_PACKAGE_CHANGED.equals(action) 288 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 289 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 290 291 if (Intent.ACTION_USER_STARTED.equals(action)) { 292 // Reset the policy data 293 synchronized (DevicePolicyManagerService.this) { 294 mUserData.remove(userHandle); 295 } 296 } 297 298 handlePackagesChanged(userHandle); 299 } 300 } 301 }; 302 303 static class ActiveAdmin { 304 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 305 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 306 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 307 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 308 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 309 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 310 private static final String TAG_ACCOUNT_TYPE = "account-type"; 311 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 312 = "permitted-accessiblity-services"; 313 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 314 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 315 private static final String TAG_TRUST_AGENT_FEATURE = "feature"; 316 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 317 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 318 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 319 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 320 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 321 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 322 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 323 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 324 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 325 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 326 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 327 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 328 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 329 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 330 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 331 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 332 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 333 private static final String ATTR_VALUE = "value"; 334 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 335 private static final String TAG_POLICIES = "policies"; 336 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 337 "cross-profile-widget-providers"; 338 private static final String TAG_PROVIDER = "provider"; 339 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 340 341 final DeviceAdminInfo info; 342 343 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 344 345 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 346 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 347 348 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 349 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 350 351 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 352 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 353 354 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 355 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 356 357 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 358 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 359 360 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 361 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 362 363 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 364 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 365 366 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 367 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 368 369 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 370 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 371 372 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 373 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 374 375 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 376 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 377 378 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 379 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 380 381 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 382 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 383 384 boolean encryptionRequested = false; 385 boolean disableCamera = false; 386 boolean disableCallerId = false; 387 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 388 boolean requireAutoTime = false; // Can only be set by a device owner. 389 390 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 391 392 // The list of permitted accessibility services package namesas set by a profile 393 // or device owner. Null means all accessibility services are allowed, empty means 394 // none except system services are allowed. 395 List<String> permittedAccessiblityServices; 396 397 // The list of permitted input methods package names as set by a profile or device owner. 398 // Null means all input methods are allowed, empty means none except system imes are 399 // allowed. 400 List<String> permittedInputMethods; 401 402 // TODO: review implementation decisions with frameworks team 403 boolean specifiesGlobalProxy = false; 404 String globalProxySpec = null; 405 String globalProxyExclusionList = null; 406 HashMap<String, List<String>> trustAgentFeatures = new HashMap<String, List<String>>(); 407 408 List<String> crossProfileWidgetProviders; 409 410 ActiveAdmin(DeviceAdminInfo _info) { 411 info = _info; 412 } 413 414 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 415 416 public UserHandle getUserHandle() { 417 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 418 } 419 420 void writeToXml(XmlSerializer out) 421 throws IllegalArgumentException, IllegalStateException, IOException { 422 out.startTag(null, TAG_POLICIES); 423 info.writePoliciesToXml(out); 424 out.endTag(null, TAG_POLICIES); 425 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 426 out.startTag(null, TAG_PASSWORD_QUALITY); 427 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 428 out.endTag(null, TAG_PASSWORD_QUALITY); 429 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 430 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 431 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 432 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 433 } 434 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 435 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 436 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 437 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 438 } 439 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 440 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 441 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 442 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 443 } 444 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 445 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 446 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 447 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 448 } 449 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 450 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 451 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 452 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 453 } 454 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 455 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 456 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 457 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 458 } 459 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 460 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 461 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 462 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 463 } 464 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 465 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 466 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 467 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 468 } 469 } 470 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 471 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 472 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 473 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 474 } 475 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 476 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 477 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 478 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 479 } 480 if (specifiesGlobalProxy) { 481 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 482 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 483 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 484 if (globalProxySpec != null) { 485 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 486 out.attribute(null, ATTR_VALUE, globalProxySpec); 487 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 488 } 489 if (globalProxyExclusionList != null) { 490 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 491 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 492 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 493 } 494 } 495 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 496 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 497 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 498 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 499 } 500 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 501 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 502 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 503 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 504 } 505 if (encryptionRequested) { 506 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 507 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 508 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 509 } 510 if (disableCamera) { 511 out.startTag(null, TAG_DISABLE_CAMERA); 512 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 513 out.endTag(null, TAG_DISABLE_CAMERA); 514 } 515 if (disableCallerId) { 516 out.startTag(null, TAG_DISABLE_CALLER_ID); 517 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 518 out.endTag(null, TAG_DISABLE_CALLER_ID); 519 } 520 if (disableScreenCapture) { 521 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 522 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 523 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 524 } 525 if (requireAutoTime) { 526 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 527 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 528 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 529 } 530 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 531 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 532 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 533 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 534 } 535 if (!accountTypesWithManagementDisabled.isEmpty()) { 536 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 537 for (String ac : accountTypesWithManagementDisabled) { 538 out.startTag(null, TAG_ACCOUNT_TYPE); 539 out.attribute(null, ATTR_VALUE, ac); 540 out.endTag(null, TAG_ACCOUNT_TYPE); 541 } 542 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 543 } 544 if (!trustAgentFeatures.isEmpty()) { 545 Set<Entry<String, List<String>>> set = trustAgentFeatures.entrySet(); 546 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 547 for (Entry<String, List<String>> component : set) { 548 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 549 out.attribute(null, ATTR_VALUE, component.getKey()); 550 for (String feature : component.getValue()) { 551 out.startTag(null, TAG_TRUST_AGENT_FEATURE); 552 out.attribute(null, ATTR_VALUE, feature); 553 out.endTag(null, TAG_TRUST_AGENT_FEATURE); 554 } 555 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 556 } 557 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 558 } 559 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 560 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 561 final int providerCount = crossProfileWidgetProviders.size(); 562 for (int i = 0; i < providerCount; i++) { 563 String provider = crossProfileWidgetProviders.get(i); 564 out.startTag(null, TAG_PROVIDER); 565 out.attribute(null, ATTR_VALUE, provider); 566 out.endTag(null, TAG_PROVIDER); 567 } 568 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 569 } 570 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 571 permittedAccessiblityServices); 572 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 573 } 574 575 void writePackageListToXml(XmlSerializer out, String outerTag, 576 List<String> packageList) 577 throws IllegalArgumentException, IllegalStateException, IOException { 578 if (packageList == null) { 579 return; 580 } 581 582 out.startTag(null, outerTag); 583 for (String packageName : packageList) { 584 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 585 out.attribute(null, ATTR_VALUE, packageName); 586 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 587 } 588 out.endTag(null, outerTag); 589 } 590 591 void readFromXml(XmlPullParser parser) 592 throws XmlPullParserException, IOException { 593 int outerDepth = parser.getDepth(); 594 int type; 595 while ((type=parser.next()) != END_DOCUMENT 596 && (type != END_TAG || parser.getDepth() > outerDepth)) { 597 if (type == END_TAG || type == TEXT) { 598 continue; 599 } 600 String tag = parser.getName(); 601 if (TAG_POLICIES.equals(tag)) { 602 info.readPoliciesFromXml(parser); 603 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 604 passwordQuality = Integer.parseInt( 605 parser.getAttributeValue(null, ATTR_VALUE)); 606 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 607 minimumPasswordLength = Integer.parseInt( 608 parser.getAttributeValue(null, ATTR_VALUE)); 609 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 610 passwordHistoryLength = Integer.parseInt( 611 parser.getAttributeValue(null, ATTR_VALUE)); 612 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 613 minimumPasswordUpperCase = Integer.parseInt( 614 parser.getAttributeValue(null, ATTR_VALUE)); 615 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 616 minimumPasswordLowerCase = Integer.parseInt( 617 parser.getAttributeValue(null, ATTR_VALUE)); 618 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 619 minimumPasswordLetters = Integer.parseInt( 620 parser.getAttributeValue(null, ATTR_VALUE)); 621 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 622 minimumPasswordNumeric = Integer.parseInt( 623 parser.getAttributeValue(null, ATTR_VALUE)); 624 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 625 minimumPasswordSymbols = Integer.parseInt( 626 parser.getAttributeValue(null, ATTR_VALUE)); 627 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 628 minimumPasswordNonLetter = Integer.parseInt( 629 parser.getAttributeValue(null, ATTR_VALUE)); 630 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 631 maximumTimeToUnlock = Long.parseLong( 632 parser.getAttributeValue(null, ATTR_VALUE)); 633 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 634 maximumFailedPasswordsForWipe = Integer.parseInt( 635 parser.getAttributeValue(null, ATTR_VALUE)); 636 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 637 specifiesGlobalProxy = Boolean.parseBoolean( 638 parser.getAttributeValue(null, ATTR_VALUE)); 639 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 640 globalProxySpec = 641 parser.getAttributeValue(null, ATTR_VALUE); 642 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 643 globalProxyExclusionList = 644 parser.getAttributeValue(null, ATTR_VALUE); 645 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 646 passwordExpirationTimeout = Long.parseLong( 647 parser.getAttributeValue(null, ATTR_VALUE)); 648 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 649 passwordExpirationDate = Long.parseLong( 650 parser.getAttributeValue(null, ATTR_VALUE)); 651 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 652 encryptionRequested = Boolean.parseBoolean( 653 parser.getAttributeValue(null, ATTR_VALUE)); 654 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 655 disableCamera = Boolean.parseBoolean( 656 parser.getAttributeValue(null, ATTR_VALUE)); 657 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 658 disableCallerId = Boolean.parseBoolean( 659 parser.getAttributeValue(null, ATTR_VALUE)); 660 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 661 disableScreenCapture = Boolean.parseBoolean( 662 parser.getAttributeValue(null, ATTR_VALUE)); 663 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 664 requireAutoTime= Boolean.parseBoolean( 665 parser.getAttributeValue(null, ATTR_VALUE)); 666 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 667 disabledKeyguardFeatures = Integer.parseInt( 668 parser.getAttributeValue(null, ATTR_VALUE)); 669 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 670 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 671 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 672 trustAgentFeatures = getAllTrustAgentFeatures(parser, tag); 673 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 674 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 675 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 676 permittedAccessiblityServices = readPackageList(parser, tag); 677 } else if (TAG_PERMITTED_IMES.equals(tag)) { 678 permittedInputMethods = readPackageList(parser, tag); 679 } else { 680 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 681 } 682 XmlUtils.skipCurrentTag(parser); 683 } 684 } 685 686 private List<String> readPackageList(XmlPullParser parser, 687 String tag) throws XmlPullParserException, IOException { 688 List<String> result = new ArrayList<String>(); 689 int outerDepth = parser.getDepth(); 690 int outerType; 691 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 692 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 693 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 694 continue; 695 } 696 String outerTag = parser.getName(); 697 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 698 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 699 if (packageName != null) { 700 result.add(packageName); 701 } else { 702 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 703 } 704 } else { 705 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 706 } 707 } 708 return result; 709 } 710 711 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 712 throws XmlPullParserException, IOException { 713 int outerDepthDAM = parser.getDepth(); 714 int typeDAM; 715 Set<String> result = new HashSet<String>(); 716 while ((typeDAM=parser.next()) != END_DOCUMENT 717 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 718 if (typeDAM == END_TAG || typeDAM == TEXT) { 719 continue; 720 } 721 String tagDAM = parser.getName(); 722 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 723 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 724 } else { 725 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 726 } 727 } 728 return result; 729 } 730 731 private HashMap<String, List<String>> getAllTrustAgentFeatures(XmlPullParser parser, 732 String tag) throws XmlPullParserException, IOException { 733 int outerDepthDAM = parser.getDepth(); 734 int typeDAM; 735 HashMap<String, List<String>> result = new HashMap<String, List<String>>(); 736 while ((typeDAM=parser.next()) != END_DOCUMENT 737 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 738 if (typeDAM == END_TAG || typeDAM == TEXT) { 739 continue; 740 } 741 String tagDAM = parser.getName(); 742 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 743 final String component = parser.getAttributeValue(null, ATTR_VALUE); 744 result.put(component, getTrustAgentFeatures(parser, tag)); 745 } else { 746 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 747 } 748 } 749 return result; 750 } 751 752 private List<String> getTrustAgentFeatures(XmlPullParser parser, String tag) 753 throws XmlPullParserException, IOException { 754 int outerDepthDAM = parser.getDepth(); 755 int typeDAM; 756 ArrayList<String> result = new ArrayList<String>(); 757 while ((typeDAM=parser.next()) != END_DOCUMENT 758 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 759 if (typeDAM == END_TAG || typeDAM == TEXT) { 760 continue; 761 } 762 String tagDAM = parser.getName(); 763 if (TAG_TRUST_AGENT_FEATURE.equals(tagDAM)) { 764 final String feature = parser.getAttributeValue(null, ATTR_VALUE); 765 result.add(feature); 766 } else { 767 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 768 } 769 } 770 return result; 771 } 772 773 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 774 throws XmlPullParserException, IOException { 775 int outerDepthDAM = parser.getDepth(); 776 int typeDAM; 777 ArrayList<String> result = null; 778 while ((typeDAM=parser.next()) != END_DOCUMENT 779 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 780 if (typeDAM == END_TAG || typeDAM == TEXT) { 781 continue; 782 } 783 String tagDAM = parser.getName(); 784 if (TAG_PROVIDER.equals(tagDAM)) { 785 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 786 if (result == null) { 787 result = new ArrayList<>(); 788 } 789 result.add(provider); 790 } else { 791 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 792 } 793 } 794 return result; 795 } 796 797 void dump(String prefix, PrintWriter pw) { 798 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 799 pw.print(prefix); pw.println("policies:"); 800 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 801 if (pols != null) { 802 for (int i=0; i<pols.size(); i++) { 803 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 804 } 805 } 806 pw.print(prefix); pw.print("passwordQuality=0x"); 807 pw.println(Integer.toHexString(passwordQuality)); 808 pw.print(prefix); pw.print("minimumPasswordLength="); 809 pw.println(minimumPasswordLength); 810 pw.print(prefix); pw.print("passwordHistoryLength="); 811 pw.println(passwordHistoryLength); 812 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 813 pw.println(minimumPasswordUpperCase); 814 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 815 pw.println(minimumPasswordLowerCase); 816 pw.print(prefix); pw.print("minimumPasswordLetters="); 817 pw.println(minimumPasswordLetters); 818 pw.print(prefix); pw.print("minimumPasswordNumeric="); 819 pw.println(minimumPasswordNumeric); 820 pw.print(prefix); pw.print("minimumPasswordSymbols="); 821 pw.println(minimumPasswordSymbols); 822 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 823 pw.println(minimumPasswordNonLetter); 824 pw.print(prefix); pw.print("maximumTimeToUnlock="); 825 pw.println(maximumTimeToUnlock); 826 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 827 pw.println(maximumFailedPasswordsForWipe); 828 pw.print(prefix); pw.print("specifiesGlobalProxy="); 829 pw.println(specifiesGlobalProxy); 830 pw.print(prefix); pw.print("passwordExpirationTimeout="); 831 pw.println(passwordExpirationTimeout); 832 pw.print(prefix); pw.print("passwordExpirationDate="); 833 pw.println(passwordExpirationDate); 834 if (globalProxySpec != null) { 835 pw.print(prefix); pw.print("globalProxySpec="); 836 pw.println(globalProxySpec); 837 } 838 if (globalProxyExclusionList != null) { 839 pw.print(prefix); pw.print("globalProxyEclusionList="); 840 pw.println(globalProxyExclusionList); 841 } 842 pw.print(prefix); pw.print("encryptionRequested="); 843 pw.println(encryptionRequested); 844 pw.print(prefix); pw.print("disableCamera="); 845 pw.println(disableCamera); 846 pw.print(prefix); pw.print("disableCallerId="); 847 pw.println(disableCallerId); 848 pw.print(prefix); pw.print("disableScreenCapture="); 849 pw.println(disableScreenCapture); 850 pw.print(prefix); pw.print("requireAutoTime="); 851 pw.println(requireAutoTime); 852 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 853 pw.println(disabledKeyguardFeatures); 854 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 855 pw.println(crossProfileWidgetProviders); 856 if (!(permittedAccessiblityServices == null)) { 857 pw.print(prefix); pw.print("permittedAccessibilityServices="); 858 pw.println(permittedAccessiblityServices.toString()); 859 } 860 if (!(permittedInputMethods == null)) { 861 pw.print(prefix); pw.print("permittedInputMethods="); 862 pw.println(permittedInputMethods.toString()); 863 } 864 } 865 } 866 867 private void handlePackagesChanged(int userHandle) { 868 boolean removed = false; 869 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 870 DevicePolicyData policy = getUserData(userHandle); 871 IPackageManager pm = AppGlobals.getPackageManager(); 872 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 873 ActiveAdmin aa = policy.mAdminList.get(i); 874 try { 875 if (pm.getPackageInfo(aa.info.getPackageName(), 0, userHandle) == null 876 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) == null) { 877 removed = true; 878 policy.mAdminList.remove(i); 879 policy.mAdminMap.remove(aa.info.getComponent()); 880 } 881 } catch (RemoteException re) { 882 // Shouldn't happen 883 } 884 } 885 if (removed) { 886 validatePasswordOwnerLocked(policy); 887 syncDeviceCapabilitiesLocked(policy); 888 saveSettingsLocked(policy.mUserHandle); 889 } 890 } 891 892 /** 893 * Instantiates the service. 894 */ 895 public DevicePolicyManagerService(Context context) { 896 mContext = context; 897 mUserManager = UserManager.get(mContext); 898 mHasFeature = context.getPackageManager().hasSystemFeature( 899 PackageManager.FEATURE_DEVICE_ADMIN); 900 mWakeLock = ((PowerManager)context.getSystemService(Context.POWER_SERVICE)) 901 .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 902 mLocalService = new LocalService(); 903 if (!mHasFeature) { 904 // Skip the rest of the initialization 905 return; 906 } 907 IntentFilter filter = new IntentFilter(); 908 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 909 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 910 filter.addAction(Intent.ACTION_USER_REMOVED); 911 filter.addAction(Intent.ACTION_USER_STARTED); 912 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 913 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 914 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 915 filter = new IntentFilter(); 916 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 917 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 918 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 919 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 920 filter.addDataScheme("package"); 921 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 922 923 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 924 } 925 926 /** 927 * Creates and loads the policy data from xml. 928 * @param userHandle the user for whom to load the policy data 929 * @return 930 */ 931 DevicePolicyData getUserData(int userHandle) { 932 synchronized (this) { 933 DevicePolicyData policy = mUserData.get(userHandle); 934 if (policy == null) { 935 policy = new DevicePolicyData(userHandle); 936 mUserData.append(userHandle, policy); 937 loadSettingsLocked(policy, userHandle); 938 } 939 return policy; 940 } 941 } 942 943 void removeUserData(int userHandle) { 944 synchronized (this) { 945 if (userHandle == UserHandle.USER_OWNER) { 946 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 947 return; 948 } 949 if (mDeviceOwner != null) { 950 mDeviceOwner.removeProfileOwner(userHandle); 951 mDeviceOwner.writeOwnerFile(); 952 } 953 954 DevicePolicyData policy = mUserData.get(userHandle); 955 if (policy != null) { 956 mUserData.remove(userHandle); 957 } 958 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 959 DEVICE_POLICIES_XML); 960 policyFile.delete(); 961 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 962 } 963 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 964 } 965 966 void loadDeviceOwner() { 967 synchronized (this) { 968 mDeviceOwner = DeviceOwner.load(); 969 } 970 } 971 972 /** 973 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 974 * reminders. Clears alarm if no expirations are configured. 975 */ 976 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 977 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 978 final long now = System.currentTimeMillis(); 979 final long timeToExpire = expiration - now; 980 final long alarmTime; 981 if (expiration == 0) { 982 // No expirations are currently configured: Cancel alarm. 983 alarmTime = 0; 984 } else if (timeToExpire <= 0) { 985 // The password has already expired: Repeat every 24 hours. 986 alarmTime = now + MS_PER_DAY; 987 } else { 988 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 989 // the expiration time. 990 long alarmInterval = timeToExpire % MS_PER_DAY; 991 if (alarmInterval == 0) { 992 alarmInterval = MS_PER_DAY; 993 } 994 alarmTime = now + alarmInterval; 995 } 996 997 long token = Binder.clearCallingIdentity(); 998 try { 999 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1000 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1001 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1002 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1003 new UserHandle(policy.mUserHandle)); 1004 am.cancel(pi); 1005 if (alarmTime != 0) { 1006 am.set(AlarmManager.RTC, alarmTime, pi); 1007 } 1008 } finally { 1009 Binder.restoreCallingIdentity(token); 1010 } 1011 } 1012 1013 private IPowerManager getIPowerManager() { 1014 if (mIPowerManager == null) { 1015 IBinder b = ServiceManager.getService(Context.POWER_SERVICE); 1016 mIPowerManager = IPowerManager.Stub.asInterface(b); 1017 } 1018 return mIPowerManager; 1019 } 1020 1021 private IWindowManager getWindowManager() { 1022 if (mIWindowManager == null) { 1023 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1024 mIWindowManager = IWindowManager.Stub.asInterface(b); 1025 } 1026 return mIWindowManager; 1027 } 1028 1029 private NotificationManager getNotificationManager() { 1030 if (mNotificationManager == null) { 1031 mNotificationManager = 1032 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1033 } 1034 return mNotificationManager; 1035 } 1036 1037 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1038 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1039 if (admin != null 1040 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1041 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1042 return admin; 1043 } 1044 return null; 1045 } 1046 1047 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1048 throws SecurityException { 1049 final int callingUid = Binder.getCallingUid(); 1050 final int userHandle = UserHandle.getUserId(callingUid); 1051 final DevicePolicyData policy = getUserData(userHandle); 1052 1053 List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>(); 1054 1055 // Build a list of admins for this uid matching the given ComponentName 1056 if (who != null) { 1057 ActiveAdmin admin = policy.mAdminMap.get(who); 1058 if (admin == null) { 1059 throw new SecurityException("No active admin " + who); 1060 } 1061 if (admin.getUid() != callingUid) { 1062 throw new SecurityException("Admin " + who + " is not owned by uid " 1063 + Binder.getCallingUid()); 1064 } 1065 candidates.add(admin); 1066 } else { 1067 for (ActiveAdmin admin : policy.mAdminList) { 1068 if (admin.getUid() == callingUid) { 1069 candidates.add(admin); 1070 } 1071 } 1072 } 1073 1074 // Try to find an admin which can use reqPolicy 1075 for (ActiveAdmin admin : candidates) { 1076 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1077 boolean ownsProfile = (getProfileOwner(userHandle) != null 1078 && getProfileOwner(userHandle).getPackageName() 1079 .equals(admin.info.getPackageName())); 1080 1081 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1082 if (ownsDevice) { 1083 return admin; 1084 } 1085 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1086 if (ownsDevice || ownsProfile) { 1087 return admin; 1088 } 1089 } else { 1090 if (admin.info.usesPolicy(reqPolicy)) { 1091 return admin; 1092 } 1093 } 1094 } 1095 1096 if (who != null) { 1097 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1098 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1099 + " does not own the device"); 1100 } 1101 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1102 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1103 + " does not own the profile"); 1104 } 1105 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1106 + " did not specify uses-policy for: " 1107 + candidates.get(0).info.getTagForPolicy(reqPolicy)); 1108 } else { 1109 throw new SecurityException("No active admin owned by uid " 1110 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1111 } 1112 } 1113 1114 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1115 sendAdminCommandLocked(admin, action, null); 1116 } 1117 1118 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1119 sendAdminCommandLocked(admin, action, null, result); 1120 } 1121 1122 /** 1123 * Send an update to one specific admin, get notified when that admin returns a result. 1124 */ 1125 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1126 BroadcastReceiver result) { 1127 Intent intent = new Intent(action); 1128 intent.setComponent(admin.info.getComponent()); 1129 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1130 intent.putExtra("expiration", admin.passwordExpirationDate); 1131 } 1132 if (adminExtras != null) { 1133 intent.putExtras(adminExtras); 1134 } 1135 if (result != null) { 1136 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1137 null, result, mHandler, Activity.RESULT_OK, null, null); 1138 } else { 1139 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1140 } 1141 } 1142 1143 /** 1144 * Send an update to all admins of a user that enforce a specified policy. 1145 */ 1146 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1147 final DevicePolicyData policy = getUserData(userHandle); 1148 final int count = policy.mAdminList.size(); 1149 if (count > 0) { 1150 for (int i = 0; i < count; i++) { 1151 final ActiveAdmin admin = policy.mAdminList.get(i); 1152 if (admin.info.usesPolicy(reqPolicy)) { 1153 sendAdminCommandLocked(admin, action); 1154 } 1155 } 1156 } 1157 } 1158 1159 /** 1160 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1161 * enforce a specified policy. 1162 */ 1163 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1164 int userHandle) { 1165 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1166 for (UserInfo ui : profiles) { 1167 int id = ui.getUserHandle().getIdentifier(); 1168 sendAdminCommandLocked(action, reqPolicy, id); 1169 } 1170 } 1171 1172 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1173 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1174 if (admin != null) { 1175 sendAdminCommandLocked(admin, 1176 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1177 new BroadcastReceiver() { 1178 @Override 1179 public void onReceive(Context context, Intent intent) { 1180 synchronized (DevicePolicyManagerService.this) { 1181 int userHandle = admin.getUserHandle().getIdentifier(); 1182 DevicePolicyData policy = getUserData(userHandle); 1183 boolean doProxyCleanup = admin.info.usesPolicy( 1184 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1185 policy.mAdminList.remove(admin); 1186 policy.mAdminMap.remove(adminReceiver); 1187 validatePasswordOwnerLocked(policy); 1188 syncDeviceCapabilitiesLocked(policy); 1189 if (doProxyCleanup) { 1190 resetGlobalProxyLocked(getUserData(userHandle)); 1191 } 1192 saveSettingsLocked(userHandle); 1193 updateMaximumTimeToLockLocked(policy); 1194 } 1195 } 1196 }); 1197 } 1198 } 1199 1200 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1201 if (!mHasFeature) { 1202 return null; 1203 } 1204 enforceCrossUserPermission(userHandle); 1205 Intent resolveIntent = new Intent(); 1206 resolveIntent.setComponent(adminName); 1207 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1208 resolveIntent, 1209 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1210 userHandle); 1211 if (infos == null || infos.size() <= 0) { 1212 throw new IllegalArgumentException("Unknown admin: " + adminName); 1213 } 1214 1215 try { 1216 return new DeviceAdminInfo(mContext, infos.get(0)); 1217 } catch (XmlPullParserException e) { 1218 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1219 e); 1220 return null; 1221 } catch (IOException e) { 1222 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1223 e); 1224 return null; 1225 } 1226 } 1227 1228 private static JournaledFile makeJournaledFile(int userHandle) { 1229 final String base = userHandle == 0 1230 ? "/data/system/" + DEVICE_POLICIES_XML 1231 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1232 .getAbsolutePath(); 1233 return new JournaledFile(new File(base), new File(base + ".tmp")); 1234 } 1235 1236 private void saveSettingsLocked(int userHandle) { 1237 DevicePolicyData policy = getUserData(userHandle); 1238 JournaledFile journal = makeJournaledFile(userHandle); 1239 FileOutputStream stream = null; 1240 try { 1241 stream = new FileOutputStream(journal.chooseForWrite(), false); 1242 XmlSerializer out = new FastXmlSerializer(); 1243 out.setOutput(stream, "utf-8"); 1244 out.startDocument(null, true); 1245 1246 out.startTag(null, "policies"); 1247 if (policy.mRestrictionsProvider != null) { 1248 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1249 policy.mRestrictionsProvider.flattenToString()); 1250 } 1251 if (policy.mUserSetupComplete) { 1252 out.attribute(null, ATTR_SETUP_COMPLETE, 1253 Boolean.toString(true)); 1254 } 1255 1256 final int N = policy.mAdminList.size(); 1257 for (int i=0; i<N; i++) { 1258 ActiveAdmin ap = policy.mAdminList.get(i); 1259 if (ap != null) { 1260 out.startTag(null, "admin"); 1261 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1262 ap.writeToXml(out); 1263 out.endTag(null, "admin"); 1264 } 1265 } 1266 1267 if (policy.mPasswordOwner >= 0) { 1268 out.startTag(null, "password-owner"); 1269 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1270 out.endTag(null, "password-owner"); 1271 } 1272 1273 if (policy.mFailedPasswordAttempts != 0) { 1274 out.startTag(null, "failed-password-attempts"); 1275 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1276 out.endTag(null, "failed-password-attempts"); 1277 } 1278 1279 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1280 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1281 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1282 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1283 out.startTag(null, "active-password"); 1284 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1285 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1286 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1287 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1288 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1289 out.attribute(null, "numeric", Integer 1290 .toString(policy.mActivePasswordNumeric)); 1291 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1292 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1293 out.endTag(null, "active-password"); 1294 } 1295 1296 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1297 String component = policy.mLockTaskPackages.get(i); 1298 out.startTag(null, LOCK_TASK_COMPONENTS_XML); 1299 out.attribute(null, "name", component); 1300 out.endTag(null, LOCK_TASK_COMPONENTS_XML); 1301 } 1302 1303 out.endTag(null, "policies"); 1304 1305 out.endDocument(); 1306 stream.close(); 1307 journal.commit(); 1308 sendChangedNotification(userHandle); 1309 } catch (IOException e) { 1310 try { 1311 if (stream != null) { 1312 stream.close(); 1313 } 1314 } catch (IOException ex) { 1315 // Ignore 1316 } 1317 journal.rollback(); 1318 } 1319 } 1320 1321 private void sendChangedNotification(int userHandle) { 1322 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1323 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1324 long ident = Binder.clearCallingIdentity(); 1325 try { 1326 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1327 } finally { 1328 Binder.restoreCallingIdentity(ident); 1329 } 1330 } 1331 1332 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1333 JournaledFile journal = makeJournaledFile(userHandle); 1334 FileInputStream stream = null; 1335 File file = journal.chooseForRead(); 1336 try { 1337 stream = new FileInputStream(file); 1338 XmlPullParser parser = Xml.newPullParser(); 1339 parser.setInput(stream, null); 1340 1341 int type; 1342 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1343 && type != XmlPullParser.START_TAG) { 1344 } 1345 String tag = parser.getName(); 1346 if (!"policies".equals(tag)) { 1347 throw new XmlPullParserException( 1348 "Settings do not start with policies tag: found " + tag); 1349 } 1350 1351 // Extract the permission provider component name if available 1352 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1353 if (permissionProvider != null) { 1354 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1355 } 1356 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1357 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1358 policy.mUserSetupComplete = true; 1359 } 1360 1361 type = parser.next(); 1362 int outerDepth = parser.getDepth(); 1363 policy.mLockTaskPackages.clear(); 1364 policy.mAdminList.clear(); 1365 policy.mAdminMap.clear(); 1366 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1367 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1368 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1369 continue; 1370 } 1371 tag = parser.getName(); 1372 if ("admin".equals(tag)) { 1373 String name = parser.getAttributeValue(null, "name"); 1374 try { 1375 DeviceAdminInfo dai = findAdmin( 1376 ComponentName.unflattenFromString(name), userHandle); 1377 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1378 != userHandle)) { 1379 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1380 + dai.getActivityInfo().applicationInfo.uid + " for user " 1381 + userHandle); 1382 } 1383 if (dai != null) { 1384 ActiveAdmin ap = new ActiveAdmin(dai); 1385 ap.readFromXml(parser); 1386 policy.mAdminMap.put(ap.info.getComponent(), ap); 1387 } 1388 } catch (RuntimeException e) { 1389 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1390 } 1391 } else if ("failed-password-attempts".equals(tag)) { 1392 policy.mFailedPasswordAttempts = Integer.parseInt( 1393 parser.getAttributeValue(null, "value")); 1394 XmlUtils.skipCurrentTag(parser); 1395 } else if ("password-owner".equals(tag)) { 1396 policy.mPasswordOwner = Integer.parseInt( 1397 parser.getAttributeValue(null, "value")); 1398 XmlUtils.skipCurrentTag(parser); 1399 } else if ("active-password".equals(tag)) { 1400 policy.mActivePasswordQuality = Integer.parseInt( 1401 parser.getAttributeValue(null, "quality")); 1402 policy.mActivePasswordLength = Integer.parseInt( 1403 parser.getAttributeValue(null, "length")); 1404 policy.mActivePasswordUpperCase = Integer.parseInt( 1405 parser.getAttributeValue(null, "uppercase")); 1406 policy.mActivePasswordLowerCase = Integer.parseInt( 1407 parser.getAttributeValue(null, "lowercase")); 1408 policy.mActivePasswordLetters = Integer.parseInt( 1409 parser.getAttributeValue(null, "letters")); 1410 policy.mActivePasswordNumeric = Integer.parseInt( 1411 parser.getAttributeValue(null, "numeric")); 1412 policy.mActivePasswordSymbols = Integer.parseInt( 1413 parser.getAttributeValue(null, "symbols")); 1414 policy.mActivePasswordNonLetter = Integer.parseInt( 1415 parser.getAttributeValue(null, "nonletter")); 1416 XmlUtils.skipCurrentTag(parser); 1417 } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { 1418 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1419 XmlUtils.skipCurrentTag(parser); 1420 } else { 1421 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1422 XmlUtils.skipCurrentTag(parser); 1423 } 1424 } 1425 } catch (NullPointerException e) { 1426 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1427 } catch (NumberFormatException e) { 1428 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1429 } catch (XmlPullParserException e) { 1430 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1431 } catch (FileNotFoundException e) { 1432 // Don't be noisy, this is normal if we haven't defined any policies. 1433 } catch (IOException e) { 1434 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1435 } catch (IndexOutOfBoundsException e) { 1436 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1437 } 1438 try { 1439 if (stream != null) { 1440 stream.close(); 1441 } 1442 } catch (IOException e) { 1443 // Ignore 1444 } 1445 1446 // Generate a list of admins from the admin map 1447 policy.mAdminList.addAll(policy.mAdminMap.values()); 1448 1449 // Validate that what we stored for the password quality matches 1450 // sufficiently what is currently set. Note that this is only 1451 // a sanity check in case the two get out of sync; this should 1452 // never normally happen. 1453 LockPatternUtils utils = new LockPatternUtils(mContext); 1454 if (utils.getActivePasswordQuality() < policy.mActivePasswordQuality) { 1455 Slog.w(LOG_TAG, "Active password quality 0x" 1456 + Integer.toHexString(policy.mActivePasswordQuality) 1457 + " does not match actual quality 0x" 1458 + Integer.toHexString(utils.getActivePasswordQuality())); 1459 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1460 policy.mActivePasswordLength = 0; 1461 policy.mActivePasswordUpperCase = 0; 1462 policy.mActivePasswordLowerCase = 0; 1463 policy.mActivePasswordLetters = 0; 1464 policy.mActivePasswordNumeric = 0; 1465 policy.mActivePasswordSymbols = 0; 1466 policy.mActivePasswordNonLetter = 0; 1467 } 1468 1469 validatePasswordOwnerLocked(policy); 1470 syncDeviceCapabilitiesLocked(policy); 1471 updateMaximumTimeToLockLocked(policy); 1472 } 1473 1474 static void validateQualityConstant(int quality) { 1475 switch (quality) { 1476 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1477 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1478 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1479 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1480 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1481 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1482 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1483 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1484 return; 1485 } 1486 throw new IllegalArgumentException("Invalid quality constant: 0x" 1487 + Integer.toHexString(quality)); 1488 } 1489 1490 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1491 if (policy.mPasswordOwner >= 0) { 1492 boolean haveOwner = false; 1493 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1494 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1495 haveOwner = true; 1496 break; 1497 } 1498 } 1499 if (!haveOwner) { 1500 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1501 + " no longer active; disabling"); 1502 policy.mPasswordOwner = -1; 1503 } 1504 } 1505 } 1506 1507 /** 1508 * Pushes down policy information to the system for any policies related to general device 1509 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1510 */ 1511 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1512 // Ensure the status of the camera is synced down to the system. Interested native services 1513 // should monitor this value and act accordingly. 1514 boolean systemState = SystemProperties.getBoolean(SYSTEM_PROP_DISABLE_CAMERA, false); 1515 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1516 if (cameraDisabled != systemState) { 1517 long token = Binder.clearCallingIdentity(); 1518 try { 1519 String value = cameraDisabled ? "1" : "0"; 1520 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1521 + SYSTEM_PROP_DISABLE_CAMERA + "] = " + value); 1522 SystemProperties.set(SYSTEM_PROP_DISABLE_CAMERA, value); 1523 } finally { 1524 Binder.restoreCallingIdentity(token); 1525 } 1526 } 1527 } 1528 1529 public void systemReady() { 1530 if (!mHasFeature) { 1531 return; 1532 } 1533 getUserData(UserHandle.USER_OWNER); 1534 loadDeviceOwner(); 1535 cleanUpOldUsers(); 1536 // Register an observer for watching for user setup complete. 1537 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1538 // Initialize the user setup state, to handle the upgrade case. 1539 updateUserSetupComplete(); 1540 1541 // Update the screen capture disabled cache in the window manager 1542 List<UserInfo> users = mUserManager.getUsers(true); 1543 final int N = users.size(); 1544 for (int i = 0; i < N; i++) { 1545 int userHandle = users.get(i).id; 1546 updateScreenCaptureDisabledInWindowManager(userHandle, 1547 getScreenCaptureDisabled(null, userHandle)); 1548 } 1549 1550 } 1551 1552 private void cleanUpOldUsers() { 1553 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1554 // before reboot 1555 Set<Integer> usersWithProfileOwners; 1556 Set<Integer> usersWithData; 1557 synchronized(this) { 1558 usersWithProfileOwners = mDeviceOwner != null 1559 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1560 usersWithData = new HashSet<Integer>(); 1561 for (int i = 0; i < mUserData.size(); i++) { 1562 usersWithData.add(mUserData.keyAt(i)); 1563 } 1564 } 1565 List<UserInfo> allUsers = mUserManager.getUsers(); 1566 1567 Set<Integer> deletedUsers = new HashSet<Integer>(); 1568 deletedUsers.addAll(usersWithProfileOwners); 1569 deletedUsers.addAll(usersWithData); 1570 for (UserInfo userInfo : allUsers) { 1571 deletedUsers.remove(userInfo.id); 1572 } 1573 for (Integer userId : deletedUsers) { 1574 removeUserData(userId); 1575 } 1576 } 1577 1578 private void handlePasswordExpirationNotification(int userHandle) { 1579 synchronized (this) { 1580 final long now = System.currentTimeMillis(); 1581 1582 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1583 for (UserInfo ui : profiles) { 1584 int profileUserHandle = ui.getUserHandle().getIdentifier(); 1585 final DevicePolicyData policy = getUserData(profileUserHandle); 1586 final int count = policy.mAdminList.size(); 1587 if (count > 0) { 1588 for (int i = 0; i < count; i++) { 1589 final ActiveAdmin admin = policy.mAdminList.get(i); 1590 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1591 && admin.passwordExpirationTimeout > 0L 1592 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1593 && admin.passwordExpirationDate > 0L) { 1594 sendAdminCommandLocked(admin, 1595 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1596 } 1597 } 1598 } 1599 } 1600 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1601 } 1602 } 1603 1604 private void manageMonitoringCertificateNotification(Intent intent) { 1605 final NotificationManager notificationManager = getNotificationManager(); 1606 1607 final boolean hasCert = !(new TrustedCertificateStore().userAliases().isEmpty()); 1608 if (! hasCert) { 1609 if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { 1610 for (UserInfo user : mUserManager.getUsers()) { 1611 notificationManager.cancelAsUser( 1612 null, MONITORING_CERT_NOTIFICATION_ID, user.getUserHandle()); 1613 } 1614 } 1615 return; 1616 } 1617 final boolean isManaged = getDeviceOwner() != null; 1618 int smallIconId; 1619 String contentText; 1620 if (isManaged) { 1621 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, 1622 getDeviceOwnerName()); 1623 smallIconId = R.drawable.stat_sys_certificate_info; 1624 } else { 1625 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1626 smallIconId = android.R.drawable.stat_sys_warning; 1627 } 1628 1629 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1630 dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1631 dialogIntent.setPackage("com.android.settings"); 1632 // Notification will be sent individually to all users. The activity should start as 1633 // whichever user is current when it starts. 1634 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, dialogIntent, 1635 PendingIntent.FLAG_UPDATE_CURRENT, null, UserHandle.CURRENT); 1636 1637 Notification noti = new Notification.Builder(mContext) 1638 .setSmallIcon(smallIconId) 1639 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1640 .setContentText(contentText) 1641 .setContentIntent(notifyIntent) 1642 .setPriority(Notification.PRIORITY_HIGH) 1643 .setShowWhen(false) 1644 .setColor(mContext.getResources().getColor( 1645 com.android.internal.R.color.system_notification_accent_color)) 1646 .build(); 1647 1648 // If this is a boot intent, this will fire for each user. But if this is a storage changed 1649 // intent, it will fire once, so we need to notify all users. 1650 if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { 1651 for (UserInfo user : mUserManager.getUsers()) { 1652 notificationManager.notifyAsUser( 1653 null, MONITORING_CERT_NOTIFICATION_ID, noti, user.getUserHandle()); 1654 } 1655 } else { 1656 notificationManager.notifyAsUser( 1657 null, MONITORING_CERT_NOTIFICATION_ID, noti, UserHandle.CURRENT); 1658 } 1659 } 1660 1661 /** 1662 * @param adminReceiver The admin to add 1663 * @param refreshing true = update an active admin, no error 1664 */ 1665 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1666 if (!mHasFeature) { 1667 return; 1668 } 1669 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1670 } 1671 1672 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1673 Bundle onEnableData) { 1674 mContext.enforceCallingOrSelfPermission( 1675 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1676 enforceCrossUserPermission(userHandle); 1677 1678 DevicePolicyData policy = getUserData(userHandle); 1679 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1680 if (info == null) { 1681 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1682 } 1683 synchronized (this) { 1684 long ident = Binder.clearCallingIdentity(); 1685 try { 1686 if (!refreshing 1687 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1688 throw new IllegalArgumentException("Admin is already added"); 1689 } 1690 ActiveAdmin newAdmin = new ActiveAdmin(info); 1691 policy.mAdminMap.put(adminReceiver, newAdmin); 1692 int replaceIndex = -1; 1693 final int N = policy.mAdminList.size(); 1694 for (int i=0; i < N; i++) { 1695 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1696 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1697 replaceIndex = i; 1698 break; 1699 } 1700 } 1701 if (replaceIndex == -1) { 1702 policy.mAdminList.add(newAdmin); 1703 enableIfNecessary(info.getPackageName(), userHandle); 1704 } else { 1705 policy.mAdminList.set(replaceIndex, newAdmin); 1706 } 1707 saveSettingsLocked(userHandle); 1708 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1709 onEnableData, null); 1710 } finally { 1711 Binder.restoreCallingIdentity(ident); 1712 } 1713 } 1714 } 1715 1716 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1717 if (!mHasFeature) { 1718 return false; 1719 } 1720 enforceCrossUserPermission(userHandle); 1721 synchronized (this) { 1722 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1723 } 1724 } 1725 1726 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1727 if (!mHasFeature) { 1728 return false; 1729 } 1730 enforceCrossUserPermission(userHandle); 1731 synchronized (this) { 1732 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1733 if (administrator == null) { 1734 throw new SecurityException("No active admin " + adminReceiver); 1735 } 1736 return administrator.info.usesPolicy(policyId); 1737 } 1738 } 1739 1740 @SuppressWarnings("unchecked") 1741 public List<ComponentName> getActiveAdmins(int userHandle) { 1742 if (!mHasFeature) { 1743 return Collections.EMPTY_LIST; 1744 } 1745 1746 enforceCrossUserPermission(userHandle); 1747 synchronized (this) { 1748 DevicePolicyData policy = getUserData(userHandle); 1749 final int N = policy.mAdminList.size(); 1750 if (N <= 0) { 1751 return null; 1752 } 1753 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1754 for (int i=0; i<N; i++) { 1755 res.add(policy.mAdminList.get(i).info.getComponent()); 1756 } 1757 return res; 1758 } 1759 } 1760 1761 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 1762 if (!mHasFeature) { 1763 return false; 1764 } 1765 enforceCrossUserPermission(userHandle); 1766 synchronized (this) { 1767 DevicePolicyData policy = getUserData(userHandle); 1768 final int N = policy.mAdminList.size(); 1769 for (int i=0; i<N; i++) { 1770 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 1771 return true; 1772 } 1773 } 1774 return false; 1775 } 1776 } 1777 1778 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 1779 if (!mHasFeature) { 1780 return; 1781 } 1782 enforceCrossUserPermission(userHandle); 1783 synchronized (this) { 1784 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1785 if (admin == null) { 1786 return; 1787 } 1788 if (admin.getUid() != Binder.getCallingUid()) { 1789 // If trying to remove device owner, refuse when the caller is not the owner. 1790 if (isDeviceOwner(adminReceiver.getPackageName())) { 1791 return; 1792 } 1793 mContext.enforceCallingOrSelfPermission( 1794 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1795 } 1796 long ident = Binder.clearCallingIdentity(); 1797 try { 1798 removeActiveAdminLocked(adminReceiver, userHandle); 1799 } finally { 1800 Binder.restoreCallingIdentity(ident); 1801 } 1802 } 1803 } 1804 1805 public void setPasswordQuality(ComponentName who, int quality, int userHandle) { 1806 if (!mHasFeature) { 1807 return; 1808 } 1809 validateQualityConstant(quality); 1810 enforceCrossUserPermission(userHandle); 1811 1812 synchronized (this) { 1813 if (who == null) { 1814 throw new NullPointerException("ComponentName is null"); 1815 } 1816 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1817 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1818 if (ap.passwordQuality != quality) { 1819 ap.passwordQuality = quality; 1820 saveSettingsLocked(userHandle); 1821 } 1822 } 1823 } 1824 1825 public int getPasswordQuality(ComponentName who, int userHandle) { 1826 if (!mHasFeature) { 1827 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1828 } 1829 enforceCrossUserPermission(userHandle); 1830 synchronized (this) { 1831 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1832 1833 if (who != null) { 1834 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1835 return admin != null ? admin.passwordQuality : mode; 1836 } 1837 1838 // Return strictest policy for this user and profiles that are visible from this user. 1839 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1840 for (UserInfo userInfo : profiles) { 1841 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1842 final int N = policy.mAdminList.size(); 1843 for (int i=0; i<N; i++) { 1844 ActiveAdmin admin = policy.mAdminList.get(i); 1845 if (mode < admin.passwordQuality) { 1846 mode = admin.passwordQuality; 1847 } 1848 } 1849 } 1850 return mode; 1851 } 1852 } 1853 1854 public void setPasswordMinimumLength(ComponentName who, int length, int userHandle) { 1855 if (!mHasFeature) { 1856 return; 1857 } 1858 enforceCrossUserPermission(userHandle); 1859 synchronized (this) { 1860 if (who == null) { 1861 throw new NullPointerException("ComponentName is null"); 1862 } 1863 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1864 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1865 if (ap.minimumPasswordLength != length) { 1866 ap.minimumPasswordLength = length; 1867 saveSettingsLocked(userHandle); 1868 } 1869 } 1870 } 1871 1872 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 1873 if (!mHasFeature) { 1874 return 0; 1875 } 1876 enforceCrossUserPermission(userHandle); 1877 synchronized (this) { 1878 int length = 0; 1879 1880 if (who != null) { 1881 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1882 return admin != null ? admin.minimumPasswordLength : length; 1883 } 1884 1885 // Return strictest policy for this user and profiles that are visible from this user. 1886 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1887 for (UserInfo userInfo : profiles) { 1888 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1889 final int N = policy.mAdminList.size(); 1890 for (int i=0; i<N; i++) { 1891 ActiveAdmin admin = policy.mAdminList.get(i); 1892 if (length < admin.minimumPasswordLength) { 1893 length = admin.minimumPasswordLength; 1894 } 1895 } 1896 } 1897 return length; 1898 } 1899 } 1900 1901 public void setPasswordHistoryLength(ComponentName who, int length, int userHandle) { 1902 if (!mHasFeature) { 1903 return; 1904 } 1905 enforceCrossUserPermission(userHandle); 1906 synchronized (this) { 1907 if (who == null) { 1908 throw new NullPointerException("ComponentName is null"); 1909 } 1910 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1911 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1912 if (ap.passwordHistoryLength != length) { 1913 ap.passwordHistoryLength = length; 1914 saveSettingsLocked(userHandle); 1915 } 1916 } 1917 } 1918 1919 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 1920 if (!mHasFeature) { 1921 return 0; 1922 } 1923 enforceCrossUserPermission(userHandle); 1924 synchronized (this) { 1925 int length = 0; 1926 1927 if (who != null) { 1928 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1929 return admin != null ? admin.passwordHistoryLength : length; 1930 } 1931 1932 // Return strictest policy for this user and profiles that are visible from this user. 1933 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1934 for (UserInfo userInfo : profiles) { 1935 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1936 final int N = policy.mAdminList.size(); 1937 for (int i = 0; i < N; i++) { 1938 ActiveAdmin admin = policy.mAdminList.get(i); 1939 if (length < admin.passwordHistoryLength) { 1940 length = admin.passwordHistoryLength; 1941 } 1942 } 1943 } 1944 return length; 1945 } 1946 } 1947 1948 public void setPasswordExpirationTimeout(ComponentName who, long timeout, int userHandle) { 1949 if (!mHasFeature) { 1950 return; 1951 } 1952 enforceCrossUserPermission(userHandle); 1953 synchronized (this) { 1954 if (who == null) { 1955 throw new NullPointerException("ComponentName is null"); 1956 } 1957 if (timeout < 0) { 1958 throw new IllegalArgumentException("Timeout must be >= 0 ms"); 1959 } 1960 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1961 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 1962 // Calling this API automatically bumps the expiration date 1963 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 1964 ap.passwordExpirationDate = expiration; 1965 ap.passwordExpirationTimeout = timeout; 1966 if (timeout > 0L) { 1967 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 1968 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 1969 .format(new Date(expiration))); 1970 } 1971 saveSettingsLocked(userHandle); 1972 // in case this is the first one 1973 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1974 } 1975 } 1976 1977 /** 1978 * Return a single admin's expiration cycle time, or the min of all cycle times. 1979 * Returns 0 if not configured. 1980 */ 1981 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 1982 if (!mHasFeature) { 1983 return 0L; 1984 } 1985 enforceCrossUserPermission(userHandle); 1986 synchronized (this) { 1987 long timeout = 0L; 1988 1989 if (who != null) { 1990 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1991 return admin != null ? admin.passwordExpirationTimeout : timeout; 1992 } 1993 1994 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1995 for (UserInfo userInfo : profiles) { 1996 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 1997 final int N = policy.mAdminList.size(); 1998 for (int i = 0; i < N; i++) { 1999 ActiveAdmin admin = policy.mAdminList.get(i); 2000 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2001 && timeout > admin.passwordExpirationTimeout)) { 2002 timeout = admin.passwordExpirationTimeout; 2003 } 2004 } 2005 } 2006 return timeout; 2007 } 2008 } 2009 2010 @Override 2011 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2012 final int userId = UserHandle.getCallingUserId(); 2013 List<String> changedProviders = null; 2014 2015 synchronized (this) { 2016 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2017 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2018 if (activeAdmin.crossProfileWidgetProviders == null) { 2019 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2020 } 2021 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2022 if (!providers.contains(packageName)) { 2023 providers.add(packageName); 2024 changedProviders = new ArrayList<>(providers); 2025 saveSettingsLocked(userId); 2026 } 2027 } 2028 2029 if (changedProviders != null) { 2030 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2031 return true; 2032 } 2033 2034 return false; 2035 } 2036 2037 @Override 2038 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2039 final int userId = UserHandle.getCallingUserId(); 2040 List<String> changedProviders = null; 2041 2042 synchronized (this) { 2043 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2044 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2045 if (activeAdmin.crossProfileWidgetProviders == null) { 2046 return false; 2047 } 2048 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2049 if (providers.remove(packageName)) { 2050 changedProviders = new ArrayList<>(providers); 2051 saveSettingsLocked(userId); 2052 } 2053 } 2054 2055 if (changedProviders != null) { 2056 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2057 return true; 2058 } 2059 2060 return false; 2061 } 2062 2063 @Override 2064 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2065 synchronized (this) { 2066 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2067 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2068 if (activeAdmin.crossProfileWidgetProviders == null 2069 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2070 return null; 2071 } 2072 if (Binder.getCallingUid() == Process.myUid()) { 2073 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2074 } else { 2075 return activeAdmin.crossProfileWidgetProviders; 2076 } 2077 } 2078 } 2079 2080 /** 2081 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2082 * Returns 0 if not configured. 2083 */ 2084 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2085 long timeout = 0L; 2086 2087 if (who != null) { 2088 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2089 return admin != null ? admin.passwordExpirationDate : timeout; 2090 } 2091 2092 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2093 for (UserInfo userInfo : profiles) { 2094 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2095 final int N = policy.mAdminList.size(); 2096 for (int i = 0; i < N; i++) { 2097 ActiveAdmin admin = policy.mAdminList.get(i); 2098 if (timeout == 0L || (admin.passwordExpirationDate != 0 2099 && timeout > admin.passwordExpirationDate)) { 2100 timeout = admin.passwordExpirationDate; 2101 } 2102 } 2103 } 2104 return timeout; 2105 } 2106 2107 public long getPasswordExpiration(ComponentName who, int userHandle) { 2108 if (!mHasFeature) { 2109 return 0L; 2110 } 2111 enforceCrossUserPermission(userHandle); 2112 synchronized (this) { 2113 return getPasswordExpirationLocked(who, userHandle); 2114 } 2115 } 2116 2117 public void setPasswordMinimumUpperCase(ComponentName who, int length, int userHandle) { 2118 if (!mHasFeature) { 2119 return; 2120 } 2121 enforceCrossUserPermission(userHandle); 2122 synchronized (this) { 2123 if (who == null) { 2124 throw new NullPointerException("ComponentName is null"); 2125 } 2126 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2127 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2128 if (ap.minimumPasswordUpperCase != length) { 2129 ap.minimumPasswordUpperCase = length; 2130 saveSettingsLocked(userHandle); 2131 } 2132 } 2133 } 2134 2135 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2136 if (!mHasFeature) { 2137 return 0; 2138 } 2139 enforceCrossUserPermission(userHandle); 2140 synchronized (this) { 2141 int length = 0; 2142 2143 if (who != null) { 2144 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2145 return admin != null ? admin.minimumPasswordUpperCase : length; 2146 } 2147 2148 // Return strictest policy for this user and profiles that are visible from this user. 2149 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2150 for (UserInfo userInfo : profiles) { 2151 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2152 final int N = policy.mAdminList.size(); 2153 for (int i=0; i<N; i++) { 2154 ActiveAdmin admin = policy.mAdminList.get(i); 2155 if (length < admin.minimumPasswordUpperCase) { 2156 length = admin.minimumPasswordUpperCase; 2157 } 2158 } 2159 } 2160 return length; 2161 } 2162 } 2163 2164 public void setPasswordMinimumLowerCase(ComponentName who, int length, int userHandle) { 2165 enforceCrossUserPermission(userHandle); 2166 synchronized (this) { 2167 if (who == null) { 2168 throw new NullPointerException("ComponentName is null"); 2169 } 2170 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2171 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2172 if (ap.minimumPasswordLowerCase != length) { 2173 ap.minimumPasswordLowerCase = length; 2174 saveSettingsLocked(userHandle); 2175 } 2176 } 2177 } 2178 2179 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2180 if (!mHasFeature) { 2181 return 0; 2182 } 2183 enforceCrossUserPermission(userHandle); 2184 synchronized (this) { 2185 int length = 0; 2186 2187 if (who != null) { 2188 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2189 return admin != null ? admin.minimumPasswordLowerCase : length; 2190 } 2191 2192 // Return strictest policy for this user and profiles that are visible from this user. 2193 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2194 for (UserInfo userInfo : profiles) { 2195 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2196 final int N = policy.mAdminList.size(); 2197 for (int i=0; i<N; i++) { 2198 ActiveAdmin admin = policy.mAdminList.get(i); 2199 if (length < admin.minimumPasswordLowerCase) { 2200 length = admin.minimumPasswordLowerCase; 2201 } 2202 } 2203 } 2204 return length; 2205 } 2206 } 2207 2208 public void setPasswordMinimumLetters(ComponentName who, int length, int userHandle) { 2209 if (!mHasFeature) { 2210 return; 2211 } 2212 enforceCrossUserPermission(userHandle); 2213 synchronized (this) { 2214 if (who == null) { 2215 throw new NullPointerException("ComponentName is null"); 2216 } 2217 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2218 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2219 if (ap.minimumPasswordLetters != length) { 2220 ap.minimumPasswordLetters = length; 2221 saveSettingsLocked(userHandle); 2222 } 2223 } 2224 } 2225 2226 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2227 if (!mHasFeature) { 2228 return 0; 2229 } 2230 enforceCrossUserPermission(userHandle); 2231 synchronized (this) { 2232 int length = 0; 2233 2234 if (who != null) { 2235 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2236 return admin != null ? admin.minimumPasswordLetters : length; 2237 } 2238 2239 // Return strictest policy for this user and profiles that are visible from this user. 2240 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2241 for (UserInfo userInfo : profiles) { 2242 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2243 final int N = policy.mAdminList.size(); 2244 for (int i=0; i<N; i++) { 2245 ActiveAdmin admin = policy.mAdminList.get(i); 2246 if (length < admin.minimumPasswordLetters) { 2247 length = admin.minimumPasswordLetters; 2248 } 2249 } 2250 } 2251 return length; 2252 } 2253 } 2254 2255 public void setPasswordMinimumNumeric(ComponentName who, int length, int userHandle) { 2256 if (!mHasFeature) { 2257 return; 2258 } 2259 enforceCrossUserPermission(userHandle); 2260 synchronized (this) { 2261 if (who == null) { 2262 throw new NullPointerException("ComponentName is null"); 2263 } 2264 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2265 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2266 if (ap.minimumPasswordNumeric != length) { 2267 ap.minimumPasswordNumeric = length; 2268 saveSettingsLocked(userHandle); 2269 } 2270 } 2271 } 2272 2273 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2274 if (!mHasFeature) { 2275 return 0; 2276 } 2277 enforceCrossUserPermission(userHandle); 2278 synchronized (this) { 2279 int length = 0; 2280 2281 if (who != null) { 2282 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2283 return admin != null ? admin.minimumPasswordNumeric : length; 2284 } 2285 2286 // Return strictest policy for this user and profiles that are visible from this user. 2287 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2288 for (UserInfo userInfo : profiles) { 2289 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2290 final int N = policy.mAdminList.size(); 2291 for (int i = 0; i < N; i++) { 2292 ActiveAdmin admin = policy.mAdminList.get(i); 2293 if (length < admin.minimumPasswordNumeric) { 2294 length = admin.minimumPasswordNumeric; 2295 } 2296 } 2297 } 2298 return length; 2299 } 2300 } 2301 2302 public void setPasswordMinimumSymbols(ComponentName who, int length, int userHandle) { 2303 if (!mHasFeature) { 2304 return; 2305 } 2306 enforceCrossUserPermission(userHandle); 2307 synchronized (this) { 2308 if (who == null) { 2309 throw new NullPointerException("ComponentName is null"); 2310 } 2311 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2312 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2313 if (ap.minimumPasswordSymbols != length) { 2314 ap.minimumPasswordSymbols = length; 2315 saveSettingsLocked(userHandle); 2316 } 2317 } 2318 } 2319 2320 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2321 if (!mHasFeature) { 2322 return 0; 2323 } 2324 enforceCrossUserPermission(userHandle); 2325 synchronized (this) { 2326 int length = 0; 2327 2328 if (who != null) { 2329 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2330 return admin != null ? admin.minimumPasswordSymbols : length; 2331 } 2332 2333 // Return strictest policy for this user and profiles that are visible from this user. 2334 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2335 for (UserInfo userInfo : profiles) { 2336 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2337 final int N = policy.mAdminList.size(); 2338 for (int i=0; i<N; i++) { 2339 ActiveAdmin admin = policy.mAdminList.get(i); 2340 if (length < admin.minimumPasswordSymbols) { 2341 length = admin.minimumPasswordSymbols; 2342 } 2343 } 2344 } 2345 return length; 2346 } 2347 } 2348 2349 public void setPasswordMinimumNonLetter(ComponentName who, int length, int userHandle) { 2350 if (!mHasFeature) { 2351 return; 2352 } 2353 enforceCrossUserPermission(userHandle); 2354 synchronized (this) { 2355 if (who == null) { 2356 throw new NullPointerException("ComponentName is null"); 2357 } 2358 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2359 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2360 if (ap.minimumPasswordNonLetter != length) { 2361 ap.minimumPasswordNonLetter = length; 2362 saveSettingsLocked(userHandle); 2363 } 2364 } 2365 } 2366 2367 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2368 if (!mHasFeature) { 2369 return 0; 2370 } 2371 enforceCrossUserPermission(userHandle); 2372 synchronized (this) { 2373 int length = 0; 2374 2375 if (who != null) { 2376 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2377 return admin != null ? admin.minimumPasswordNonLetter : length; 2378 } 2379 2380 // Return strictest policy for this user and profiles that are visible from this user. 2381 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2382 for (UserInfo userInfo : profiles) { 2383 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2384 final int N = policy.mAdminList.size(); 2385 for (int i=0; i<N; i++) { 2386 ActiveAdmin admin = policy.mAdminList.get(i); 2387 if (length < admin.minimumPasswordNonLetter) { 2388 length = admin.minimumPasswordNonLetter; 2389 } 2390 } 2391 } 2392 return length; 2393 } 2394 } 2395 2396 public boolean isActivePasswordSufficient(int userHandle) { 2397 if (!mHasFeature) { 2398 return true; 2399 } 2400 enforceCrossUserPermission(userHandle); 2401 2402 synchronized (this) { 2403 2404 // The active password is stored in the user that runs the launcher 2405 // If the user this is called from is part of a profile group, that is the parent 2406 // of the group. 2407 UserInfo parent = getProfileParent(userHandle); 2408 int id = parent == null ? userHandle : parent.id; 2409 DevicePolicyData policy = getUserData(id); 2410 2411 // This API can only be called by an active device admin, 2412 // so try to retrieve it to check that the caller is one. 2413 getActiveAdminForCallerLocked(null, 2414 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2415 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2416 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2417 return false; 2418 } 2419 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2420 return true; 2421 } 2422 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2423 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2424 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2425 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2426 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2427 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2428 } 2429 } 2430 2431 public int getCurrentFailedPasswordAttempts(int userHandle) { 2432 synchronized (this) { 2433 // This API can only be called by an active device admin, 2434 // so try to retrieve it to check that the caller is one. 2435 getActiveAdminForCallerLocked(null, 2436 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2437 2438 // The active password is stored in the parent. 2439 DevicePolicyData policy = getUserData(getProfileParent(userHandle).id); 2440 2441 return policy.mFailedPasswordAttempts; 2442 } 2443 } 2444 2445 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, int userHandle) { 2446 if (!mHasFeature) { 2447 return; 2448 } 2449 enforceCrossUserPermission(userHandle); 2450 synchronized (this) { 2451 if (who == null) { 2452 throw new NullPointerException("ComponentName is null"); 2453 } 2454 // This API can only be called by an active device admin, 2455 // so try to retrieve it to check that the caller is one. 2456 getActiveAdminForCallerLocked(who, 2457 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2458 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2459 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2460 if (ap.maximumFailedPasswordsForWipe != num) { 2461 ap.maximumFailedPasswordsForWipe = num; 2462 saveSettingsLocked(userHandle); 2463 } 2464 } 2465 } 2466 2467 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2468 if (!mHasFeature) { 2469 return 0; 2470 } 2471 enforceCrossUserPermission(userHandle); 2472 synchronized (this) { 2473 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2474 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2475 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2476 } 2477 } 2478 2479 /** 2480 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2481 * profiles that are visible from this user. If the policy for the primary and any other profile 2482 * are equal, it returns the admin for the primary profile. 2483 * Returns {@code null} if none of them have that policy set. 2484 */ 2485 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2486 int count = 0; 2487 ActiveAdmin strictestAdmin = null; 2488 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2489 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2490 for (ActiveAdmin admin : policy.mAdminList) { 2491 if (admin.maximumFailedPasswordsForWipe == 2492 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2493 continue; // No max number of failed passwords policy set for this profile. 2494 } 2495 2496 // We always favor the primary profile if several profiles have the same value set. 2497 if (count == 0 || 2498 count > admin.maximumFailedPasswordsForWipe || 2499 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2500 count = admin.maximumFailedPasswordsForWipe; 2501 strictestAdmin = admin; 2502 } 2503 } 2504 } 2505 return strictestAdmin; 2506 } 2507 2508 public boolean resetPassword(String password, int flags, int userHandle) { 2509 if (!mHasFeature) { 2510 return false; 2511 } 2512 enforceCrossUserPermission(userHandle); 2513 enforceNotManagedProfile(userHandle, "reset the password"); 2514 2515 int quality; 2516 synchronized (this) { 2517 // This api can only be called by an active device admin, 2518 // so try to retrieve it to check that the caller is one. 2519 getActiveAdminForCallerLocked(null, 2520 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2521 quality = getPasswordQuality(null, userHandle); 2522 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2523 int realQuality = LockPatternUtils.computePasswordQuality(password); 2524 if (realQuality < quality 2525 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2526 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2527 + Integer.toHexString(realQuality) 2528 + " does not meet required quality 0x" 2529 + Integer.toHexString(quality)); 2530 return false; 2531 } 2532 quality = Math.max(realQuality, quality); 2533 } 2534 int length = getPasswordMinimumLength(null, userHandle); 2535 if (password.length() < length) { 2536 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2537 + " does not meet required length " + length); 2538 return false; 2539 } 2540 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2541 int letters = 0; 2542 int uppercase = 0; 2543 int lowercase = 0; 2544 int numbers = 0; 2545 int symbols = 0; 2546 int nonletter = 0; 2547 for (int i = 0; i < password.length(); i++) { 2548 char c = password.charAt(i); 2549 if (c >= 'A' && c <= 'Z') { 2550 letters++; 2551 uppercase++; 2552 } else if (c >= 'a' && c <= 'z') { 2553 letters++; 2554 lowercase++; 2555 } else if (c >= '0' && c <= '9') { 2556 numbers++; 2557 nonletter++; 2558 } else { 2559 symbols++; 2560 nonletter++; 2561 } 2562 } 2563 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2564 if(letters < neededLetters) { 2565 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2566 + " does not meet required number of letters " + neededLetters); 2567 return false; 2568 } 2569 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2570 if (numbers < neededNumbers) { 2571 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2572 + " does not meet required number of numerical digits " 2573 + neededNumbers); 2574 return false; 2575 } 2576 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2577 if (lowercase < neededLowerCase) { 2578 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2579 + " does not meet required number of lowercase letters " 2580 + neededLowerCase); 2581 return false; 2582 } 2583 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2584 if (uppercase < neededUpperCase) { 2585 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2586 + " does not meet required number of uppercase letters " 2587 + neededUpperCase); 2588 return false; 2589 } 2590 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2591 if (symbols < neededSymbols) { 2592 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2593 + " does not meet required number of special symbols " + neededSymbols); 2594 return false; 2595 } 2596 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2597 if (nonletter < neededNonLetter) { 2598 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2599 + " does not meet required number of non-letter characters " 2600 + neededNonLetter); 2601 return false; 2602 } 2603 } 2604 } 2605 2606 int callingUid = Binder.getCallingUid(); 2607 DevicePolicyData policy = getUserData(userHandle); 2608 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2609 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2610 return false; 2611 } 2612 2613 // Don't do this with the lock held, because it is going to call 2614 // back in to the service. 2615 long ident = Binder.clearCallingIdentity(); 2616 try { 2617 LockPatternUtils utils = new LockPatternUtils(mContext); 2618 utils.saveLockPassword(password, quality, false, userHandle); 2619 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2620 if (requireEntry) { 2621 utils.requireCredentialEntry(UserHandle.USER_ALL); 2622 } 2623 synchronized (this) { 2624 int newOwner = requireEntry ? callingUid : -1; 2625 if (policy.mPasswordOwner != newOwner) { 2626 policy.mPasswordOwner = newOwner; 2627 saveSettingsLocked(userHandle); 2628 } 2629 } 2630 } finally { 2631 Binder.restoreCallingIdentity(ident); 2632 } 2633 2634 return true; 2635 } 2636 2637 public void setMaximumTimeToLock(ComponentName who, long timeMs, int userHandle) { 2638 if (!mHasFeature) { 2639 return; 2640 } 2641 enforceCrossUserPermission(userHandle); 2642 synchronized (this) { 2643 if (who == null) { 2644 throw new NullPointerException("ComponentName is null"); 2645 } 2646 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2647 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2648 if (ap.maximumTimeToUnlock != timeMs) { 2649 ap.maximumTimeToUnlock = timeMs; 2650 saveSettingsLocked(userHandle); 2651 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2652 } 2653 } 2654 } 2655 2656 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2657 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2658 if (policy.mLastMaximumTimeToLock == timeMs) { 2659 return; 2660 } 2661 2662 long ident = Binder.clearCallingIdentity(); 2663 try { 2664 if (timeMs <= 0) { 2665 timeMs = Integer.MAX_VALUE; 2666 } else { 2667 // Make sure KEEP_SCREEN_ON is disabled, since that 2668 // would allow bypassing of the maximum time to lock. 2669 Settings.Global.putInt(mContext.getContentResolver(), 2670 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2671 } 2672 2673 policy.mLastMaximumTimeToLock = timeMs; 2674 2675 try { 2676 getIPowerManager().setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2677 } catch (RemoteException e) { 2678 Slog.w(LOG_TAG, "Failure talking with power manager", e); 2679 } 2680 } finally { 2681 Binder.restoreCallingIdentity(ident); 2682 } 2683 } 2684 2685 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2686 if (!mHasFeature) { 2687 return 0; 2688 } 2689 enforceCrossUserPermission(userHandle); 2690 synchronized (this) { 2691 long time = 0; 2692 2693 if (who != null) { 2694 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2695 return admin != null ? admin.maximumTimeToUnlock : time; 2696 } 2697 2698 // Return strictest policy for this user and profiles that are visible from this user. 2699 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2700 for (UserInfo userInfo : profiles) { 2701 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 2702 final int N = policy.mAdminList.size(); 2703 for (int i=0; i<N; i++) { 2704 ActiveAdmin admin = policy.mAdminList.get(i); 2705 if (time == 0) { 2706 time = admin.maximumTimeToUnlock; 2707 } else if (admin.maximumTimeToUnlock != 0 2708 && time > admin.maximumTimeToUnlock) { 2709 time = admin.maximumTimeToUnlock; 2710 } 2711 } 2712 } 2713 return time; 2714 } 2715 } 2716 2717 public void lockNow() { 2718 if (!mHasFeature) { 2719 return; 2720 } 2721 synchronized (this) { 2722 // This API can only be called by an active device admin, 2723 // so try to retrieve it to check that the caller is one. 2724 getActiveAdminForCallerLocked(null, 2725 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2726 lockNowUnchecked(); 2727 } 2728 } 2729 2730 private void lockNowUnchecked() { 2731 long ident = Binder.clearCallingIdentity(); 2732 try { 2733 // Power off the display 2734 getIPowerManager().goToSleep(SystemClock.uptimeMillis(), 2735 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 2736 // Ensure the device is locked 2737 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 2738 getWindowManager().lockNow(null); 2739 } catch (RemoteException e) { 2740 } finally { 2741 Binder.restoreCallingIdentity(ident); 2742 } 2743 } 2744 2745 private boolean isExtStorageEncrypted() { 2746 String state = SystemProperties.get("vold.decrypt"); 2747 return !"".equals(state); 2748 } 2749 2750 @Override 2751 public void enforceCanManageCaCerts(ComponentName who) { 2752 if (who == null) { 2753 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2754 } else { 2755 synchronized (this) { 2756 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2757 } 2758 } 2759 } 2760 2761 @Override 2762 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 2763 enforceCanManageCaCerts(admin); 2764 2765 byte[] pemCert; 2766 try { 2767 X509Certificate cert = parseCert(certBuffer); 2768 pemCert = Credentials.convertToPem(cert); 2769 } catch (CertificateException ce) { 2770 Log.e(LOG_TAG, "Problem converting cert", ce); 2771 return false; 2772 } catch (IOException ioe) { 2773 Log.e(LOG_TAG, "Problem reading cert", ioe); 2774 return false; 2775 } 2776 2777 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2778 final long id = Binder.clearCallingIdentity(); 2779 try { 2780 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2781 try { 2782 keyChainConnection.getService().installCaCertificate(pemCert); 2783 return true; 2784 } catch (RemoteException e) { 2785 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 2786 } finally { 2787 keyChainConnection.close(); 2788 } 2789 } catch (InterruptedException e1) { 2790 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 2791 Thread.currentThread().interrupt(); 2792 } finally { 2793 Binder.restoreCallingIdentity(id); 2794 } 2795 return false; 2796 } 2797 2798 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 2799 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 2800 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 2801 certBuffer)); 2802 } 2803 2804 @Override 2805 public void uninstallCaCert(ComponentName admin, String alias) { 2806 enforceCanManageCaCerts(admin); 2807 2808 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2809 final long id = Binder.clearCallingIdentity(); 2810 try { 2811 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2812 try { 2813 keyChainConnection.getService().deleteCaCertificate(alias); 2814 } catch (RemoteException e) { 2815 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 2816 } finally { 2817 keyChainConnection.close(); 2818 } 2819 } catch (InterruptedException ie) { 2820 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 2821 Thread.currentThread().interrupt(); 2822 } finally { 2823 Binder.restoreCallingIdentity(id); 2824 } 2825 } 2826 2827 void wipeDataLocked(int flags) { 2828 // If the SD card is encrypted and non-removable, we have to force a wipe. 2829 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 2830 boolean wipeExtRequested = (flags&DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0; 2831 2832 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 2833 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 2834 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 2835 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 2836 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 2837 mWakeLock.acquire(10000); 2838 mContext.startService(intent); 2839 } else { 2840 try { 2841 RecoverySystem.rebootWipeUserData(mContext); 2842 } catch (IOException e) { 2843 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2844 } catch (SecurityException e) { 2845 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2846 } 2847 } 2848 } 2849 2850 public void wipeData(int flags, final int userHandle) { 2851 if (!mHasFeature) { 2852 return; 2853 } 2854 enforceCrossUserPermission(userHandle); 2855 if ((flags & DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0) { 2856 enforceNotManagedProfile(userHandle, "wipe external storage"); 2857 } 2858 synchronized (this) { 2859 // This API can only be called by an active device admin, 2860 // so try to retrieve it to check that the caller is one. 2861 getActiveAdminForCallerLocked(null, 2862 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2863 long ident = Binder.clearCallingIdentity(); 2864 try { 2865 wipeDeviceOrUserLocked(flags, userHandle); 2866 } finally { 2867 Binder.restoreCallingIdentity(ident); 2868 } 2869 } 2870 } 2871 2872 private void wipeDeviceOrUserLocked(int flags, final int userHandle) { 2873 if (userHandle == UserHandle.USER_OWNER) { 2874 wipeDataLocked(flags); 2875 } else { 2876 mHandler.post(new Runnable() { 2877 public void run() { 2878 try { 2879 ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER); 2880 if (!mUserManager.removeUser(userHandle)) { 2881 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 2882 } 2883 } catch (RemoteException re) { 2884 // Shouldn't happen 2885 } 2886 } 2887 }); 2888 } 2889 } 2890 2891 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 2892 if (!mHasFeature) { 2893 return; 2894 } 2895 enforceCrossUserPermission(userHandle); 2896 mContext.enforceCallingOrSelfPermission( 2897 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 2898 2899 synchronized (this) { 2900 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 2901 if (admin == null) { 2902 try { 2903 result.sendResult(null); 2904 } catch (RemoteException e) { 2905 } 2906 return; 2907 } 2908 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 2909 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 2910 intent.setComponent(admin.info.getComponent()); 2911 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 2912 null, new BroadcastReceiver() { 2913 @Override 2914 public void onReceive(Context context, Intent intent) { 2915 try { 2916 result.sendResult(getResultExtras(false)); 2917 } catch (RemoteException e) { 2918 } 2919 } 2920 }, null, Activity.RESULT_OK, null, null); 2921 } 2922 } 2923 2924 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 2925 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 2926 if (!mHasFeature) { 2927 return; 2928 } 2929 enforceCrossUserPermission(userHandle); 2930 enforceNotManagedProfile(userHandle, "set the active password"); 2931 2932 mContext.enforceCallingOrSelfPermission( 2933 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 2934 DevicePolicyData p = getUserData(userHandle); 2935 2936 validateQualityConstant(quality); 2937 2938 synchronized (this) { 2939 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 2940 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 2941 || p.mActivePasswordUpperCase != uppercase 2942 || p.mActivePasswordLowerCase != lowercase 2943 || p.mActivePasswordNumeric != numbers 2944 || p.mActivePasswordSymbols != symbols 2945 || p.mActivePasswordNonLetter != nonletter) { 2946 long ident = Binder.clearCallingIdentity(); 2947 try { 2948 p.mActivePasswordQuality = quality; 2949 p.mActivePasswordLength = length; 2950 p.mActivePasswordLetters = letters; 2951 p.mActivePasswordLowerCase = lowercase; 2952 p.mActivePasswordUpperCase = uppercase; 2953 p.mActivePasswordNumeric = numbers; 2954 p.mActivePasswordSymbols = symbols; 2955 p.mActivePasswordNonLetter = nonletter; 2956 p.mFailedPasswordAttempts = 0; 2957 saveSettingsLocked(userHandle); 2958 updatePasswordExpirationsLocked(userHandle); 2959 setExpirationAlarmCheckLocked(mContext, p); 2960 sendAdminCommandToSelfAndProfilesLocked( 2961 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 2962 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 2963 } finally { 2964 Binder.restoreCallingIdentity(ident); 2965 } 2966 } 2967 } 2968 } 2969 2970 /** 2971 * Called any time the device password is updated. Resets all password expiration clocks. 2972 */ 2973 private void updatePasswordExpirationsLocked(int userHandle) { 2974 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2975 for (UserInfo userInfo : profiles) { 2976 int profileId = userInfo.getUserHandle().getIdentifier(); 2977 DevicePolicyData policy = getUserData(profileId); 2978 final int N = policy.mAdminList.size(); 2979 if (N > 0) { 2980 for (int i=0; i<N; i++) { 2981 ActiveAdmin admin = policy.mAdminList.get(i); 2982 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 2983 long timeout = admin.passwordExpirationTimeout; 2984 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2985 admin.passwordExpirationDate = expiration; 2986 } 2987 } 2988 } 2989 saveSettingsLocked(profileId); 2990 } 2991 } 2992 2993 public void reportFailedPasswordAttempt(int userHandle) { 2994 enforceCrossUserPermission(userHandle); 2995 enforceNotManagedProfile(userHandle, "report failed password attempt"); 2996 mContext.enforceCallingOrSelfPermission( 2997 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 2998 2999 long ident = Binder.clearCallingIdentity(); 3000 try { 3001 boolean wipeData = false; 3002 int identifier = 0; 3003 synchronized (this) { 3004 DevicePolicyData policy = getUserData(userHandle); 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 wipeData = true; 3017 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3018 } 3019 sendAdminCommandToSelfAndProfilesLocked( 3020 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3021 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3022 } 3023 } 3024 if (wipeData) { 3025 // Call without holding lock. 3026 wipeDeviceOrUserLocked(0, identifier); 3027 } 3028 } finally { 3029 Binder.restoreCallingIdentity(ident); 3030 } 3031 } 3032 3033 public void reportSuccessfulPasswordAttempt(int userHandle) { 3034 enforceCrossUserPermission(userHandle); 3035 mContext.enforceCallingOrSelfPermission( 3036 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3037 3038 synchronized (this) { 3039 DevicePolicyData policy = getUserData(userHandle); 3040 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3041 long ident = Binder.clearCallingIdentity(); 3042 try { 3043 policy.mFailedPasswordAttempts = 0; 3044 policy.mPasswordOwner = -1; 3045 saveSettingsLocked(userHandle); 3046 if (mHasFeature) { 3047 sendAdminCommandToSelfAndProfilesLocked( 3048 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3049 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3050 } 3051 } finally { 3052 Binder.restoreCallingIdentity(ident); 3053 } 3054 } 3055 } 3056 } 3057 3058 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3059 String exclusionList, int userHandle) { 3060 if (!mHasFeature) { 3061 return null; 3062 } 3063 enforceCrossUserPermission(userHandle); 3064 synchronized(this) { 3065 if (who == null) { 3066 throw new NullPointerException("ComponentName is null"); 3067 } 3068 3069 // Only check if owner has set global proxy. We don't allow other users to set it. 3070 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3071 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3072 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3073 3074 // Scan through active admins and find if anyone has already 3075 // set the global proxy. 3076 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3077 for (ComponentName component : compSet) { 3078 ActiveAdmin ap = policy.mAdminMap.get(component); 3079 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3080 // Another admin already sets the global proxy 3081 // Return it to the caller. 3082 return component; 3083 } 3084 } 3085 3086 // If the user is not the owner, don't set the global proxy. Fail silently. 3087 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3088 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3089 + userHandle + " is not permitted."); 3090 return null; 3091 } 3092 if (proxySpec == null) { 3093 admin.specifiesGlobalProxy = false; 3094 admin.globalProxySpec = null; 3095 admin.globalProxyExclusionList = null; 3096 } else { 3097 3098 admin.specifiesGlobalProxy = true; 3099 admin.globalProxySpec = proxySpec; 3100 admin.globalProxyExclusionList = exclusionList; 3101 } 3102 3103 // Reset the global proxy accordingly 3104 // Do this using system permissions, as apps cannot write to secure settings 3105 long origId = Binder.clearCallingIdentity(); 3106 try { 3107 resetGlobalProxyLocked(policy); 3108 } finally { 3109 Binder.restoreCallingIdentity(origId); 3110 } 3111 return null; 3112 } 3113 } 3114 3115 public ComponentName getGlobalProxyAdmin(int userHandle) { 3116 if (!mHasFeature) { 3117 return null; 3118 } 3119 enforceCrossUserPermission(userHandle); 3120 synchronized(this) { 3121 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3122 // Scan through active admins and find if anyone has already 3123 // set the global proxy. 3124 final int N = policy.mAdminList.size(); 3125 for (int i = 0; i < N; i++) { 3126 ActiveAdmin ap = policy.mAdminList.get(i); 3127 if (ap.specifiesGlobalProxy) { 3128 // Device admin sets the global proxy 3129 // Return it to the caller. 3130 return ap.info.getComponent(); 3131 } 3132 } 3133 } 3134 // No device admin sets the global proxy. 3135 return null; 3136 } 3137 3138 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3139 synchronized (this) { 3140 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3141 } 3142 long token = Binder.clearCallingIdentity(); 3143 try { 3144 ConnectivityManager connectivityManager = (ConnectivityManager) 3145 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3146 connectivityManager.setGlobalProxy(proxyInfo); 3147 } finally { 3148 Binder.restoreCallingIdentity(token); 3149 } 3150 } 3151 3152 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3153 final int N = policy.mAdminList.size(); 3154 for (int i = 0; i < N; i++) { 3155 ActiveAdmin ap = policy.mAdminList.get(i); 3156 if (ap.specifiesGlobalProxy) { 3157 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3158 return; 3159 } 3160 } 3161 // No device admins defining global proxies - reset global proxy settings to none 3162 saveGlobalProxyLocked(null, null); 3163 } 3164 3165 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3166 if (exclusionList == null) { 3167 exclusionList = ""; 3168 } 3169 if (proxySpec == null) { 3170 proxySpec = ""; 3171 } 3172 // Remove white spaces 3173 proxySpec = proxySpec.trim(); 3174 String data[] = proxySpec.split(":"); 3175 int proxyPort = 8080; 3176 if (data.length > 1) { 3177 try { 3178 proxyPort = Integer.parseInt(data[1]); 3179 } catch (NumberFormatException e) {} 3180 } 3181 exclusionList = exclusionList.trim(); 3182 ContentResolver res = mContext.getContentResolver(); 3183 3184 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3185 if (!proxyProperties.isValid()) { 3186 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3187 return; 3188 } 3189 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3190 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3191 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3192 exclusionList); 3193 } 3194 3195 /** 3196 * Set the storage encryption request for a single admin. Returns the new total request 3197 * status (for all admins). 3198 */ 3199 public int setStorageEncryption(ComponentName who, boolean encrypt, int userHandle) { 3200 if (!mHasFeature) { 3201 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3202 } 3203 enforceCrossUserPermission(userHandle); 3204 synchronized (this) { 3205 // Check for permissions 3206 if (who == null) { 3207 throw new NullPointerException("ComponentName is null"); 3208 } 3209 // Only owner can set storage encryption 3210 if (userHandle != UserHandle.USER_OWNER 3211 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3212 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3213 + UserHandle.getCallingUserId() + " is not permitted."); 3214 return 0; 3215 } 3216 3217 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3218 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3219 3220 // Quick exit: If the filesystem does not support encryption, we can exit early. 3221 if (!isEncryptionSupported()) { 3222 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3223 } 3224 3225 // (1) Record the value for the admin so it's sticky 3226 if (ap.encryptionRequested != encrypt) { 3227 ap.encryptionRequested = encrypt; 3228 saveSettingsLocked(userHandle); 3229 } 3230 3231 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3232 // (2) Compute "max" for all admins 3233 boolean newRequested = false; 3234 final int N = policy.mAdminList.size(); 3235 for (int i = 0; i < N; i++) { 3236 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3237 } 3238 3239 // Notify OS of new request 3240 setEncryptionRequested(newRequested); 3241 3242 // Return the new global request status 3243 return newRequested 3244 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3245 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3246 } 3247 } 3248 3249 /** 3250 * Get the current storage encryption request status for a given admin, or aggregate of all 3251 * active admins. 3252 */ 3253 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3254 if (!mHasFeature) { 3255 return false; 3256 } 3257 enforceCrossUserPermission(userHandle); 3258 synchronized (this) { 3259 // Check for permissions if a particular caller is specified 3260 if (who != null) { 3261 // When checking for a single caller, status is based on caller's request 3262 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3263 return ap != null ? ap.encryptionRequested : false; 3264 } 3265 3266 // If no particular caller is specified, return the aggregate set of requests. 3267 // This is short circuited by returning true on the first hit. 3268 DevicePolicyData policy = getUserData(userHandle); 3269 final int N = policy.mAdminList.size(); 3270 for (int i = 0; i < N; i++) { 3271 if (policy.mAdminList.get(i).encryptionRequested) { 3272 return true; 3273 } 3274 } 3275 return false; 3276 } 3277 } 3278 3279 /** 3280 * Get the current encryption status of the device. 3281 */ 3282 public int getStorageEncryptionStatus(int userHandle) { 3283 if (!mHasFeature) { 3284 // Ok to return current status. 3285 } 3286 enforceCrossUserPermission(userHandle); 3287 return getEncryptionStatus(); 3288 } 3289 3290 /** 3291 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3292 */ 3293 private boolean isEncryptionSupported() { 3294 // Note, this can be implemented as 3295 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3296 // But is provided as a separate internal method if there's a faster way to do a 3297 // simple check for supported-or-not. 3298 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3299 } 3300 3301 /** 3302 * Hook to low-levels: Reporting the current status of encryption. 3303 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED} or 3304 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE} or 3305 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3306 */ 3307 private int getEncryptionStatus() { 3308 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3309 if ("encrypted".equalsIgnoreCase(status)) { 3310 return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; 3311 } else if ("unencrypted".equalsIgnoreCase(status)) { 3312 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3313 } else { 3314 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3315 } 3316 } 3317 3318 /** 3319 * Hook to low-levels: If needed, record the new admin setting for encryption. 3320 */ 3321 private void setEncryptionRequested(boolean encrypt) { 3322 } 3323 3324 3325 /** 3326 * Set whether the screen capture is disabled for the user managed by the specified admin. 3327 */ 3328 public void setScreenCaptureDisabled(ComponentName who, int userHandle, boolean disabled) { 3329 if (!mHasFeature) { 3330 return; 3331 } 3332 enforceCrossUserPermission(userHandle); 3333 synchronized (this) { 3334 if (who == null) { 3335 throw new NullPointerException("ComponentName is null"); 3336 } 3337 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3338 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3339 if (ap.disableScreenCapture != disabled) { 3340 ap.disableScreenCapture = disabled; 3341 saveSettingsLocked(userHandle); 3342 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3343 } 3344 } 3345 } 3346 3347 /** 3348 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3349 * active admin (if given admin is null). 3350 */ 3351 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3352 if (!mHasFeature) { 3353 return false; 3354 } 3355 synchronized (this) { 3356 if (who != null) { 3357 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3358 return (admin != null) ? admin.disableScreenCapture : false; 3359 } 3360 3361 DevicePolicyData policy = getUserData(userHandle); 3362 final int N = policy.mAdminList.size(); 3363 for (int i = 0; i < N; i++) { 3364 ActiveAdmin admin = policy.mAdminList.get(i); 3365 if (admin.disableScreenCapture) { 3366 return true; 3367 } 3368 } 3369 return false; 3370 } 3371 } 3372 3373 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3374 long ident = Binder.clearCallingIdentity(); 3375 try { 3376 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3377 } catch (RemoteException e) { 3378 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3379 } finally { 3380 Binder.restoreCallingIdentity(ident); 3381 } 3382 } 3383 3384 /** 3385 * Set whether auto time is required by the specified admin (must be device owner). 3386 */ 3387 public void setAutoTimeRequired(ComponentName who, int userHandle, boolean required) { 3388 if (!mHasFeature) { 3389 return; 3390 } 3391 enforceCrossUserPermission(userHandle); 3392 synchronized (this) { 3393 if (who == null) { 3394 throw new NullPointerException("ComponentName is null"); 3395 } 3396 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3397 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3398 if (admin.requireAutoTime != required) { 3399 admin.requireAutoTime = required; 3400 saveSettingsLocked(userHandle); 3401 } 3402 } 3403 3404 // Turn AUTO_TIME on in settings if it is required 3405 if (required) { 3406 long ident = Binder.clearCallingIdentity(); 3407 try { 3408 Settings.Global.putInt(mContext.getContentResolver(), 3409 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3410 } finally { 3411 Binder.restoreCallingIdentity(ident); 3412 } 3413 } 3414 } 3415 3416 /** 3417 * Returns whether or not auto time is required by the device owner. 3418 */ 3419 public boolean getAutoTimeRequired() { 3420 if (!mHasFeature) { 3421 return false; 3422 } 3423 synchronized (this) { 3424 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3425 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3426 } 3427 } 3428 3429 /** 3430 * The system property used to share the state of the camera. The native camera service 3431 * is expected to read this property and act accordingly. 3432 */ 3433 public static final String SYSTEM_PROP_DISABLE_CAMERA = "sys.secpolicy.camera.disabled"; 3434 3435 /** 3436 * Disables all device cameras according to the specified admin. 3437 */ 3438 public void setCameraDisabled(ComponentName who, boolean disabled, int userHandle) { 3439 if (!mHasFeature) { 3440 return; 3441 } 3442 enforceCrossUserPermission(userHandle); 3443 enforceNotManagedProfile(userHandle, "enable/disable cameras"); 3444 synchronized (this) { 3445 if (who == null) { 3446 throw new NullPointerException("ComponentName is null"); 3447 } 3448 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3449 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3450 if (ap.disableCamera != disabled) { 3451 ap.disableCamera = disabled; 3452 saveSettingsLocked(userHandle); 3453 } 3454 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3455 } 3456 } 3457 3458 /** 3459 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3460 * active admins. 3461 */ 3462 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3463 if (!mHasFeature) { 3464 return false; 3465 } 3466 synchronized (this) { 3467 if (who != null) { 3468 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3469 return (admin != null) ? admin.disableCamera : false; 3470 } 3471 3472 DevicePolicyData policy = getUserData(userHandle); 3473 // Determine whether or not the device camera is disabled for any active admins. 3474 final int N = policy.mAdminList.size(); 3475 for (int i = 0; i < N; i++) { 3476 ActiveAdmin admin = policy.mAdminList.get(i); 3477 if (admin.disableCamera) { 3478 return true; 3479 } 3480 } 3481 return false; 3482 } 3483 } 3484 3485 /** 3486 * Selectively disable keyguard features. 3487 */ 3488 public void setKeyguardDisabledFeatures(ComponentName who, int which, int userHandle) { 3489 if (!mHasFeature) { 3490 return; 3491 } 3492 enforceCrossUserPermission(userHandle); 3493 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3494 synchronized (this) { 3495 if (who == null) { 3496 throw new NullPointerException("ComponentName is null"); 3497 } 3498 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3499 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3500 if (ap.disabledKeyguardFeatures != which) { 3501 ap.disabledKeyguardFeatures = which; 3502 saveSettingsLocked(userHandle); 3503 } 3504 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3505 } 3506 } 3507 3508 /** 3509 * Gets the disabled state for features in keyguard for the given admin, 3510 * or the aggregate of all active admins if who is null. 3511 */ 3512 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3513 if (!mHasFeature) { 3514 return 0; 3515 } 3516 enforceCrossUserPermission(userHandle); 3517 synchronized (this) { 3518 if (who != null) { 3519 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3520 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3521 } 3522 3523 // Determine which keyguard features are disabled for any active admins. 3524 DevicePolicyData policy = getUserData(userHandle); 3525 final int N = policy.mAdminList.size(); 3526 int which = 0; 3527 for (int i = 0; i < N; i++) { 3528 ActiveAdmin admin = policy.mAdminList.get(i); 3529 which |= admin.disabledKeyguardFeatures; 3530 } 3531 return which; 3532 } 3533 } 3534 3535 @Override 3536 public boolean setDeviceOwner(String packageName, String ownerName) { 3537 if (!mHasFeature) { 3538 return false; 3539 } 3540 if (packageName == null 3541 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3542 throw new IllegalArgumentException("Invalid package name " + packageName 3543 + " for device owner"); 3544 } 3545 synchronized (this) { 3546 if (isDeviceProvisioned()) { 3547 throw new IllegalStateException( 3548 "Trying to set device owner but device is already provisioned."); 3549 } 3550 3551 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3552 throw new IllegalStateException( 3553 "Trying to set device owner but device owner is already set."); 3554 } 3555 3556 if (mDeviceOwner == null) { 3557 // Device owner is not set and does not exist, set it. 3558 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3559 mDeviceOwner.writeOwnerFile(); 3560 return true; 3561 } else { 3562 // Device owner is not set but a profile owner exists, update Device owner state. 3563 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3564 mDeviceOwner.writeOwnerFile(); 3565 return true; 3566 } 3567 } 3568 } 3569 3570 @Override 3571 public boolean isDeviceOwner(String packageName) { 3572 if (!mHasFeature) { 3573 return false; 3574 } 3575 synchronized (this) { 3576 return mDeviceOwner != null 3577 && mDeviceOwner.hasDeviceOwner() 3578 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 3579 } 3580 } 3581 3582 @Override 3583 public String getDeviceOwner() { 3584 if (!mHasFeature) { 3585 return null; 3586 } 3587 synchronized (this) { 3588 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3589 return mDeviceOwner.getDeviceOwnerPackageName(); 3590 } 3591 } 3592 return null; 3593 } 3594 3595 @Override 3596 public String getDeviceOwnerName() { 3597 if (!mHasFeature) { 3598 return null; 3599 } 3600 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3601 synchronized (this) { 3602 if (mDeviceOwner != null) { 3603 return mDeviceOwner.getDeviceOwnerName(); 3604 } 3605 } 3606 return null; 3607 } 3608 3609 // Returns the active device owner or null if there is no device owner. 3610 private ActiveAdmin getDeviceOwnerAdmin() { 3611 String deviceOwnerPackageName = getDeviceOwner(); 3612 if (deviceOwnerPackageName == null) { 3613 return null; 3614 } 3615 3616 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3617 final int n = policy.mAdminList.size(); 3618 for (int i = 0; i < n; i++) { 3619 ActiveAdmin admin = policy.mAdminList.get(i); 3620 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 3621 return admin; 3622 } 3623 } 3624 return null; 3625 } 3626 3627 @Override 3628 public void clearDeviceOwner(String packageName) { 3629 if (packageName == null) { 3630 throw new NullPointerException("packageName is null"); 3631 } 3632 try { 3633 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 3634 if (uid != Binder.getCallingUid()) { 3635 throw new SecurityException("Invalid packageName"); 3636 } 3637 } catch (NameNotFoundException e) { 3638 throw new SecurityException(e); 3639 } 3640 if (!isDeviceOwner(packageName)) { 3641 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 3642 } 3643 synchronized (this) { 3644 long ident = Binder.clearCallingIdentity(); 3645 try { 3646 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 3647 if (mDeviceOwner != null) { 3648 mDeviceOwner.clearDeviceOwner(); 3649 mDeviceOwner.writeOwnerFile(); 3650 } 3651 } finally { 3652 Binder.restoreCallingIdentity(ident); 3653 } 3654 } 3655 } 3656 3657 @Override 3658 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 3659 if (!mHasFeature) { 3660 return false; 3661 } 3662 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3663 3664 if (mUserManager.getUserInfo(userHandle) == null) { 3665 // User doesn't exist. 3666 throw new IllegalArgumentException( 3667 "Attempted to set profile owner for invalid userId: " + userHandle); 3668 } 3669 3670 if (who == null 3671 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 3672 throw new IllegalArgumentException("Component " + who 3673 + " not installed for userId:" + userHandle); 3674 } 3675 synchronized (this) { 3676 // Only SYSTEM_UID can override the userSetupComplete 3677 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 3678 && isUserSetupComplete(userHandle)) { 3679 throw new IllegalStateException( 3680 "Trying to set profile owner but user is already set-up."); 3681 } 3682 3683 if (mDeviceOwner == null) { 3684 // Device owner state does not exist, create it. 3685 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 3686 userHandle); 3687 mDeviceOwner.writeOwnerFile(); 3688 return true; 3689 } else { 3690 // Device owner already exists, update it. 3691 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 3692 mDeviceOwner.writeOwnerFile(); 3693 return true; 3694 } 3695 } 3696 } 3697 3698 @Override 3699 public void clearProfileOwner(ComponentName who) { 3700 if (!mHasFeature) { 3701 return; 3702 } 3703 UserHandle callingUser = Binder.getCallingUserHandle(); 3704 // Check if this is the profile owner who is calling 3705 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3706 synchronized (this) { 3707 long ident = Binder.clearCallingIdentity(); 3708 try { 3709 clearUserRestrictions(callingUser); 3710 if (mDeviceOwner != null) { 3711 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 3712 mDeviceOwner.writeOwnerFile(); 3713 } 3714 } finally { 3715 Binder.restoreCallingIdentity(ident); 3716 } 3717 } 3718 } 3719 3720 private void clearUserRestrictions(UserHandle userHandle) { 3721 AudioManager audioManager = 3722 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 3723 Bundle userRestrictions = mUserManager.getUserRestrictions(); 3724 mUserManager.setUserRestrictions(new Bundle(), userHandle); 3725 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 3726 audioManager.setMasterMute(false); 3727 } 3728 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 3729 audioManager.setMicrophoneMute(false); 3730 } 3731 } 3732 3733 @Override 3734 public boolean hasUserSetupCompleted() { 3735 if (!mHasFeature) { 3736 return true; 3737 } 3738 DevicePolicyData policy = getUserData(UserHandle.getCallingUserId()); 3739 // If policy is null, return true, else check if the setup has completed. 3740 return policy == null || policy.mUserSetupComplete; 3741 } 3742 3743 @Override 3744 public void setProfileEnabled(ComponentName who) { 3745 if (!mHasFeature) { 3746 return; 3747 } 3748 final int userHandle = UserHandle.getCallingUserId(); 3749 synchronized (this) { 3750 // Check for permissions 3751 if (who == null) { 3752 throw new NullPointerException("ComponentName is null"); 3753 } 3754 // Check if this is the profile owner who is calling 3755 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3756 int userId = UserHandle.getCallingUserId(); 3757 3758 long id = Binder.clearCallingIdentity(); 3759 try { 3760 mUserManager.setUserEnabled(userId); 3761 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 3762 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 3763 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 3764 Intent.FLAG_RECEIVER_FOREGROUND); 3765 // TODO This should send to parent of profile (which is always owner at the moment). 3766 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 3767 } finally { 3768 restoreCallingIdentity(id); 3769 } 3770 } 3771 } 3772 3773 @Override 3774 public void setProfileName(ComponentName who, String profileName) { 3775 int userId = UserHandle.getCallingUserId(); 3776 3777 if (who == null) { 3778 throw new NullPointerException("ComponentName is null"); 3779 } 3780 3781 // Check if this is the profile owner (includes device owner). 3782 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3783 3784 long id = Binder.clearCallingIdentity(); 3785 try { 3786 mUserManager.setUserName(userId, profileName); 3787 } finally { 3788 restoreCallingIdentity(id); 3789 } 3790 } 3791 3792 @Override 3793 public ComponentName getProfileOwner(int userHandle) { 3794 if (!mHasFeature) { 3795 return null; 3796 } 3797 3798 synchronized (this) { 3799 if (mDeviceOwner != null) { 3800 return mDeviceOwner.getProfileOwnerComponent(userHandle); 3801 } 3802 } 3803 return null; 3804 } 3805 3806 // Returns the active profile owner for this user or null if the current user has no 3807 // profile owner. 3808 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 3809 ComponentName profileOwner = 3810 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 3811 if (profileOwner == null) { 3812 return null; 3813 } 3814 3815 DevicePolicyData policy = getUserData(userHandle); 3816 final int n = policy.mAdminList.size(); 3817 for (int i = 0; i < n; i++) { 3818 ActiveAdmin admin = policy.mAdminList.get(i); 3819 if (profileOwner.equals(admin.info)) { 3820 return admin; 3821 } 3822 } 3823 return null; 3824 } 3825 3826 @Override 3827 public String getProfileOwnerName(int userHandle) { 3828 if (!mHasFeature) { 3829 return null; 3830 } 3831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3832 3833 synchronized (this) { 3834 if (mDeviceOwner != null) { 3835 return mDeviceOwner.getProfileOwnerName(userHandle); 3836 } 3837 } 3838 return null; 3839 } 3840 3841 private boolean isDeviceProvisioned() { 3842 return Settings.Global.getInt(mContext.getContentResolver(), 3843 Settings.Global.DEVICE_PROVISIONED, 0) > 0; 3844 } 3845 3846 private boolean isUserSetupComplete(int userId) { 3847 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 3848 Settings.Secure.USER_SETUP_COMPLETE, 0, userId) > 0; 3849 } 3850 3851 private void enforceCrossUserPermission(int userHandle) { 3852 if (userHandle < 0) { 3853 throw new IllegalArgumentException("Invalid userId " + userHandle); 3854 } 3855 final int callingUid = Binder.getCallingUid(); 3856 if (userHandle == UserHandle.getUserId(callingUid)) return; 3857 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3858 mContext.enforceCallingOrSelfPermission( 3859 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 3860 + " INTERACT_ACROSS_USERS_FULL permission"); 3861 } 3862 } 3863 3864 private void enforceSystemProcess(String message) { 3865 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 3866 throw new SecurityException(message); 3867 } 3868 } 3869 3870 private void enforceNotManagedProfile(int userHandle, String message) { 3871 if(isManagedProfile(userHandle)) { 3872 throw new SecurityException("You can not " + message + " for a managed profile. "); 3873 } 3874 } 3875 3876 private UserInfo getProfileParent(int userHandle) { 3877 long ident = Binder.clearCallingIdentity(); 3878 try { 3879 return mUserManager.getProfileParent(userHandle); 3880 } finally { 3881 Binder.restoreCallingIdentity(ident); 3882 } 3883 } 3884 3885 private boolean isManagedProfile(int userHandle) { 3886 long ident = Binder.clearCallingIdentity(); 3887 try { 3888 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 3889 } finally { 3890 Binder.restoreCallingIdentity(ident); 3891 } 3892 } 3893 3894 private void enableIfNecessary(String packageName, int userId) { 3895 try { 3896 IPackageManager ipm = AppGlobals.getPackageManager(); 3897 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 3898 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 3899 userId); 3900 if (ai.enabledSetting 3901 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 3902 ipm.setApplicationEnabledSetting(packageName, 3903 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3904 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 3905 } 3906 } catch (RemoteException e) { 3907 } 3908 } 3909 3910 @Override 3911 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 3912 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 3913 != PackageManager.PERMISSION_GRANTED) { 3914 3915 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 3916 + Binder.getCallingPid() 3917 + ", uid=" + Binder.getCallingUid()); 3918 return; 3919 } 3920 3921 final Printer p = new PrintWriterPrinter(pw); 3922 3923 synchronized (this) { 3924 p.println("Current Device Policy Manager state:"); 3925 3926 int userCount = mUserData.size(); 3927 for (int u = 0; u < userCount; u++) { 3928 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 3929 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 3930 final int N = policy.mAdminList.size(); 3931 for (int i=0; i<N; i++) { 3932 ActiveAdmin ap = policy.mAdminList.get(i); 3933 if (ap != null) { 3934 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 3935 pw.println(":"); 3936 ap.dump(" ", pw); 3937 } 3938 } 3939 3940 pw.println(" "); 3941 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 3942 } 3943 } 3944 } 3945 3946 @Override 3947 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 3948 ComponentName activity) { 3949 final int userHandle = UserHandle.getCallingUserId(); 3950 3951 synchronized (this) { 3952 if (who == null) { 3953 throw new NullPointerException("ComponentName is null"); 3954 } 3955 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3956 3957 IPackageManager pm = AppGlobals.getPackageManager(); 3958 long id = Binder.clearCallingIdentity(); 3959 try { 3960 pm.addPersistentPreferredActivity(filter, activity, userHandle); 3961 } catch (RemoteException re) { 3962 // Shouldn't happen 3963 } finally { 3964 restoreCallingIdentity(id); 3965 } 3966 } 3967 } 3968 3969 @Override 3970 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 3971 final int userHandle = UserHandle.getCallingUserId(); 3972 3973 synchronized (this) { 3974 if (who == null) { 3975 throw new NullPointerException("ComponentName is null"); 3976 } 3977 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3978 3979 IPackageManager pm = AppGlobals.getPackageManager(); 3980 long id = Binder.clearCallingIdentity(); 3981 try { 3982 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 3983 } catch (RemoteException re) { 3984 // Shouldn't happen 3985 } finally { 3986 restoreCallingIdentity(id); 3987 } 3988 } 3989 } 3990 3991 @Override 3992 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 3993 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 3994 3995 synchronized (this) { 3996 if (who == null) { 3997 throw new NullPointerException("ComponentName is null"); 3998 } 3999 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4000 4001 long id = Binder.clearCallingIdentity(); 4002 try { 4003 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4004 } finally { 4005 restoreCallingIdentity(id); 4006 } 4007 } 4008 } 4009 4010 public void setTrustAgentFeaturesEnabled(ComponentName admin, ComponentName agent, 4011 List<String>features, int userHandle) { 4012 if (!mHasFeature) { 4013 return; 4014 } 4015 enforceCrossUserPermission(userHandle); 4016 enforceNotManagedProfile(userHandle, "manage trust agent features"); 4017 synchronized (this) { 4018 if (admin == null) { 4019 throw new NullPointerException("admin is null"); 4020 } 4021 if (agent == null) { 4022 throw new NullPointerException("agent is null"); 4023 } 4024 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4025 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4026 ap.trustAgentFeatures.put(agent.flattenToString(), features); 4027 saveSettingsLocked(userHandle); 4028 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4029 } 4030 } 4031 4032 public List<String> getTrustAgentFeaturesEnabled(ComponentName admin, ComponentName agent, 4033 int userHandle) { 4034 if (!mHasFeature) { 4035 return null; 4036 } 4037 enforceCrossUserPermission(userHandle); 4038 synchronized (this) { 4039 if (agent == null) { 4040 throw new NullPointerException("agent is null"); 4041 } 4042 final String componentName = agent.flattenToString(); 4043 if (admin != null) { 4044 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4045 return (ap != null) ? ap.trustAgentFeatures.get(componentName) : null; 4046 } 4047 4048 // Return strictest policy for this user and profiles that are visible from this user. 4049 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4050 List<String> result = null; 4051 for (UserInfo userInfo : profiles) { 4052 DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); 4053 final int N = policy.mAdminList.size(); 4054 for (int i=0; i<N; i++) { 4055 ActiveAdmin ap = policy.mAdminList.get(i); 4056 // Compute the intersection of all features for active admins that disable 4057 // trust agents: 4058 if ((ap.disabledKeyguardFeatures 4059 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0) { 4060 final List<String> features = ap.trustAgentFeatures.get(componentName); 4061 if (result == null) { 4062 if (features == null || features.size() == 0) { 4063 result = new ArrayList<String>(); 4064 Slog.w(LOG_TAG, "admin " + ap.info.getPackageName() 4065 + " has null trust agent feature set; all will be disabled"); 4066 } else { 4067 result = new ArrayList<String>(features.size()); 4068 result.addAll(features); 4069 } 4070 } else { 4071 result.retainAll(features); 4072 } 4073 } 4074 } 4075 } 4076 return result; 4077 } 4078 } 4079 4080 @Override 4081 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4082 synchronized (this) { 4083 if (who == null) { 4084 throw new NullPointerException("ComponentName is null"); 4085 } 4086 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4087 4088 int userHandle = UserHandle.getCallingUserId(); 4089 DevicePolicyData userData = getUserData(userHandle); 4090 userData.mRestrictionsProvider = permissionProvider; 4091 saveSettingsLocked(userHandle); 4092 } 4093 } 4094 4095 @Override 4096 public ComponentName getRestrictionsProvider(int userHandle) { 4097 synchronized (this) { 4098 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4099 throw new SecurityException("Only the system can query the permission provider"); 4100 } 4101 DevicePolicyData userData = getUserData(userHandle); 4102 return userData != null ? userData.mRestrictionsProvider : null; 4103 } 4104 } 4105 4106 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4107 int callingUserId = UserHandle.getCallingUserId(); 4108 synchronized (this) { 4109 if (who == null) { 4110 throw new NullPointerException("ComponentName is null"); 4111 } 4112 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4113 4114 IPackageManager pm = AppGlobals.getPackageManager(); 4115 long id = Binder.clearCallingIdentity(); 4116 try { 4117 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4118 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4119 mContext.getUserId(), callingUserId, UserHandle.USER_OWNER, 0); 4120 } 4121 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4122 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4123 mContext.getUserId(), UserHandle.USER_OWNER, callingUserId, 0); 4124 } 4125 } catch (RemoteException re) { 4126 // Shouldn't happen 4127 } finally { 4128 restoreCallingIdentity(id); 4129 } 4130 } 4131 } 4132 4133 public void clearCrossProfileIntentFilters(ComponentName who) { 4134 int callingUserId = UserHandle.getCallingUserId(); 4135 synchronized (this) { 4136 if (who == null) { 4137 throw new NullPointerException("ComponentName is null"); 4138 } 4139 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4140 IPackageManager pm = AppGlobals.getPackageManager(); 4141 long id = Binder.clearCallingIdentity(); 4142 try { 4143 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName(), 4144 callingUserId); 4145 // If we want to support multiple managed profiles, we will have to only remove 4146 // those that have callingUserId as their target. 4147 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName(), 4148 callingUserId); 4149 } catch (RemoteException re) { 4150 // Shouldn't happen 4151 } finally { 4152 restoreCallingIdentity(id); 4153 } 4154 } 4155 } 4156 4157 /** 4158 * @return true if all packages in enabledPackages are either in the list 4159 * permittedList or are a system app. 4160 */ 4161 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4162 List<String> permittedList) { 4163 int userIdToCheck = UserHandle.getCallingUserId(); 4164 long id = Binder.clearCallingIdentity(); 4165 try { 4166 // If we have an enabled packages list for a managed profile the packages 4167 // we should check are installed for the parent user. 4168 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4169 if (user.isManagedProfile()) { 4170 userIdToCheck = user.profileGroupId; 4171 } 4172 4173 IPackageManager pm = AppGlobals.getPackageManager(); 4174 for (String enabledPackage : enabledPackages) { 4175 boolean systemService = false; 4176 try { 4177 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4178 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4179 systemService = (applicationInfo.flags 4180 & ApplicationInfo.FLAG_SYSTEM) != 0; 4181 } catch (RemoteException e) { 4182 Log.i(LOG_TAG, "Can't talk to package managed", e); 4183 } 4184 if (!systemService && !permittedList.contains(enabledPackage)) { 4185 return false; 4186 } 4187 } 4188 } finally { 4189 restoreCallingIdentity(id); 4190 } 4191 return true; 4192 } 4193 4194 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4195 // Not using AccessibilityManager.getInstance because that guesses 4196 // at the user you require based on callingUid and caches for a given 4197 // process. 4198 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4199 IAccessibilityManager service = iBinder == null 4200 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4201 return new AccessibilityManager(mContext, service, userId); 4202 } 4203 4204 @Override 4205 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4206 if (!mHasFeature) { 4207 return false; 4208 } 4209 if (who == null) { 4210 throw new NullPointerException("ComponentName is null"); 4211 } 4212 4213 if (packageList != null) { 4214 int userId = UserHandle.getCallingUserId(); 4215 List<AccessibilityServiceInfo> enabledServices = null; 4216 long id = Binder.clearCallingIdentity(); 4217 try { 4218 UserInfo user = mUserManager.getUserInfo(userId); 4219 if (user.isManagedProfile()) { 4220 userId = user.profileGroupId; 4221 } 4222 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4223 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4224 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 4225 } finally { 4226 restoreCallingIdentity(id); 4227 } 4228 4229 if (enabledServices != null) { 4230 List<String> enabledPackages = new ArrayList<String>(); 4231 for (AccessibilityServiceInfo service : enabledServices) { 4232 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 4233 } 4234 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4235 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 4236 + "because it contains already enabled accesibility services."); 4237 return false; 4238 } 4239 } 4240 } 4241 4242 synchronized (this) { 4243 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4244 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4245 admin.permittedAccessiblityServices = packageList; 4246 saveSettingsLocked(UserHandle.getCallingUserId()); 4247 } 4248 return true; 4249 } 4250 4251 @Override 4252 public List getPermittedAccessibilityServices(ComponentName who) { 4253 if (!mHasFeature) { 4254 return null; 4255 } 4256 4257 if (who == null) { 4258 throw new NullPointerException("ComponentName is null"); 4259 } 4260 4261 synchronized (this) { 4262 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4263 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4264 return admin.permittedAccessiblityServices; 4265 } 4266 } 4267 4268 @Override 4269 public List getPermittedAccessibilityServicesForUser(int userId) { 4270 if (!mHasFeature) { 4271 return null; 4272 } 4273 synchronized (this) { 4274 List<String> result = null; 4275 // If we have multiple profiles we return the intersection of the 4276 // permitted lists. This can happen in cases where we have a device 4277 // and profile owner. 4278 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4279 final int PROFILES_SIZE = profiles.size(); 4280 for (int i = 0; i < PROFILES_SIZE; ++i) { 4281 // Just loop though all admins, only device or profiles 4282 // owners can have permitted lists set. 4283 DevicePolicyData policy = getUserData(profiles.get(i).id); 4284 final int N = policy.mAdminList.size(); 4285 for (int j = 0; j < N; j++) { 4286 ActiveAdmin admin = policy.mAdminList.get(j); 4287 List<String> fromAdmin = admin.permittedAccessiblityServices; 4288 if (fromAdmin != null) { 4289 if (result == null) { 4290 result = new ArrayList<String>(fromAdmin); 4291 } else { 4292 result.retainAll(fromAdmin); 4293 } 4294 } 4295 } 4296 } 4297 4298 // If we have a permitted list add all system accessibility services. 4299 if (result != null) { 4300 long id = Binder.clearCallingIdentity(); 4301 try { 4302 UserInfo user = mUserManager.getUserInfo(userId); 4303 if (user.isManagedProfile()) { 4304 userId = user.profileGroupId; 4305 } 4306 AccessibilityManager accessibilityManager = 4307 getAccessibilityManagerForUser(userId); 4308 List<AccessibilityServiceInfo> installedServices = 4309 accessibilityManager.getInstalledAccessibilityServiceList(); 4310 4311 IPackageManager pm = AppGlobals.getPackageManager(); 4312 if (installedServices != null) { 4313 for (AccessibilityServiceInfo service : installedServices) { 4314 String packageName = service.getResolveInfo().serviceInfo.packageName; 4315 try { 4316 ApplicationInfo applicationInfo = pm.getApplicationInfo(packageName, 4317 PackageManager.GET_UNINSTALLED_PACKAGES, userId); 4318 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4319 result.add(packageName); 4320 } 4321 } catch (RemoteException e) { 4322 Log.i(LOG_TAG, "Accessibility service in missing package", e); 4323 } 4324 } 4325 } 4326 } finally { 4327 restoreCallingIdentity(id); 4328 } 4329 } 4330 4331 return result; 4332 } 4333 } 4334 4335 private boolean checkCallerIsCurrentUserOrProfile() { 4336 int callingUserId = UserHandle.getCallingUserId(); 4337 long token = Binder.clearCallingIdentity(); 4338 try { 4339 UserInfo currentUser; 4340 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4341 try { 4342 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4343 } catch (RemoteException e) { 4344 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4345 return false; 4346 } 4347 4348 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4349 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4350 + "of a user that isn't the foreground user."); 4351 return false; 4352 } 4353 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4354 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4355 + "of a user that isn't the foreground user."); 4356 return false; 4357 } 4358 } finally { 4359 Binder.restoreCallingIdentity(token); 4360 } 4361 return true; 4362 } 4363 4364 @Override 4365 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4366 if (!mHasFeature) { 4367 return false; 4368 } 4369 if (who == null) { 4370 throw new NullPointerException("ComponentName is null"); 4371 } 4372 4373 // TODO When InputMethodManager supports per user calls remove 4374 // this restriction. 4375 if (!checkCallerIsCurrentUserOrProfile()) { 4376 return false; 4377 } 4378 4379 if (packageList != null) { 4380 // InputMethodManager fetches input methods for current user. 4381 // So this can only be set when calling user is the current user 4382 // or parent is current user in case of managed profiles. 4383 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4384 .getSystemService(Context.INPUT_METHOD_SERVICE); 4385 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4386 4387 if (enabledImes != null) { 4388 List<String> enabledPackages = new ArrayList<String>(); 4389 for (InputMethodInfo ime : enabledImes) { 4390 enabledPackages.add(ime.getPackageName()); 4391 } 4392 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4393 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4394 + "because it contains already enabled input method."); 4395 return false; 4396 } 4397 } 4398 } 4399 4400 synchronized (this) { 4401 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4402 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4403 admin.permittedInputMethods = packageList; 4404 saveSettingsLocked(UserHandle.getCallingUserId()); 4405 } 4406 return true; 4407 } 4408 4409 @Override 4410 public List getPermittedInputMethods(ComponentName who) { 4411 if (!mHasFeature) { 4412 return null; 4413 } 4414 4415 if (who == null) { 4416 throw new NullPointerException("ComponentName is null"); 4417 } 4418 4419 synchronized (this) { 4420 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4421 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4422 return admin.permittedInputMethods; 4423 } 4424 } 4425 4426 @Override 4427 public List getPermittedInputMethodsForCurrentUser() { 4428 UserInfo currentUser; 4429 try { 4430 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4431 } catch (RemoteException e) { 4432 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 4433 // Activity managed is dead, just allow all IMEs 4434 return null; 4435 } 4436 4437 int userId = currentUser.id; 4438 synchronized (this) { 4439 List<String> result = null; 4440 // If we have multiple profiles we return the intersection of the 4441 // permitted lists. This can happen in cases where we have a device 4442 // and profile owner. 4443 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4444 final int PROFILES_SIZE = profiles.size(); 4445 for (int i = 0; i < PROFILES_SIZE; ++i) { 4446 // Just loop though all admins, only device or profiles 4447 // owners can have permitted lists set. 4448 DevicePolicyData policy = getUserData(profiles.get(i).id); 4449 final int N = policy.mAdminList.size(); 4450 for (int j = 0; j < N; j++) { 4451 ActiveAdmin admin = policy.mAdminList.get(j); 4452 List<String> fromAdmin = admin.permittedInputMethods; 4453 if (fromAdmin != null) { 4454 if (result == null) { 4455 result = new ArrayList<String>(fromAdmin); 4456 } else { 4457 result.retainAll(fromAdmin); 4458 } 4459 } 4460 } 4461 } 4462 4463 // If we have a permitted list add all system input methods. 4464 if (result != null) { 4465 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4466 .getSystemService(Context.INPUT_METHOD_SERVICE); 4467 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 4468 long id = Binder.clearCallingIdentity(); 4469 try { 4470 IPackageManager pm = AppGlobals.getPackageManager(); 4471 if (imes != null) { 4472 for (InputMethodInfo ime : imes) { 4473 String packageName = ime.getPackageName(); 4474 try { 4475 ApplicationInfo applicationInfo = pm.getApplicationInfo( 4476 packageName, PackageManager.GET_UNINSTALLED_PACKAGES, 4477 userId); 4478 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4479 result.add(packageName); 4480 } 4481 } catch (RemoteException e) { 4482 Log.i(LOG_TAG, "Input method for missing package", e); 4483 } 4484 } 4485 } 4486 } finally { 4487 restoreCallingIdentity(id); 4488 } 4489 } 4490 return result; 4491 } 4492 } 4493 4494 @Override 4495 public UserHandle createUser(ComponentName who, String name) { 4496 synchronized (this) { 4497 if (who == null) { 4498 throw new NullPointerException("ComponentName is null"); 4499 } 4500 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4501 4502 long id = Binder.clearCallingIdentity(); 4503 try { 4504 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 4505 if (userInfo != null) { 4506 return userInfo.getUserHandle(); 4507 } 4508 return null; 4509 } finally { 4510 restoreCallingIdentity(id); 4511 } 4512 } 4513 } 4514 4515 @Override 4516 public UserHandle createAndInitializeUser(ComponentName who, String name, 4517 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 4518 UserHandle user = createUser(who, name); 4519 long id = Binder.clearCallingIdentity(); 4520 try { 4521 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 4522 final IPackageManager ipm = AppGlobals.getPackageManager(); 4523 IActivityManager activityManager = ActivityManagerNative.getDefault(); 4524 4525 try { 4526 // Install the profile owner if not present. 4527 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 4528 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 4529 } 4530 4531 // Start user in background. 4532 activityManager.startUserInBackground(user.getIdentifier()); 4533 } catch (RemoteException e) { 4534 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 4535 } 4536 4537 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 4538 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 4539 return user; 4540 } finally { 4541 restoreCallingIdentity(id); 4542 } 4543 } 4544 4545 @Override 4546 public boolean removeUser(ComponentName who, UserHandle userHandle) { 4547 synchronized (this) { 4548 if (who == null) { 4549 throw new NullPointerException("ComponentName is null"); 4550 } 4551 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4552 4553 long id = Binder.clearCallingIdentity(); 4554 try { 4555 return mUserManager.removeUser(userHandle.getIdentifier()); 4556 } finally { 4557 restoreCallingIdentity(id); 4558 } 4559 } 4560 } 4561 4562 @Override 4563 public boolean switchUser(ComponentName who, UserHandle userHandle) { 4564 synchronized (this) { 4565 if (who == null) { 4566 throw new NullPointerException("ComponentName is null"); 4567 } 4568 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4569 4570 long id = Binder.clearCallingIdentity(); 4571 try { 4572 int userId = UserHandle.USER_OWNER; 4573 if (userHandle != null) { 4574 userId = userHandle.getIdentifier(); 4575 } 4576 return ActivityManagerNative.getDefault().switchUser(userId); 4577 } catch (RemoteException e) { 4578 Log.e(LOG_TAG, "Couldn't switch user", e); 4579 return false; 4580 } finally { 4581 restoreCallingIdentity(id); 4582 } 4583 } 4584 } 4585 4586 @Override 4587 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 4588 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4589 4590 synchronized (this) { 4591 if (who == null) { 4592 throw new NullPointerException("ComponentName is null"); 4593 } 4594 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4595 4596 long id = Binder.clearCallingIdentity(); 4597 try { 4598 return mUserManager.getApplicationRestrictions(packageName, userHandle); 4599 } finally { 4600 restoreCallingIdentity(id); 4601 } 4602 } 4603 } 4604 4605 @Override 4606 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 4607 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4608 synchronized (this) { 4609 if (who == null) { 4610 throw new NullPointerException("ComponentName is null"); 4611 } 4612 ActiveAdmin activeAdmin = 4613 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4614 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 4615 if (!isDeviceOwner && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 4616 throw new SecurityException("Profile owners cannot set user restriction " + key); 4617 } 4618 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, userHandle); 4619 4620 IAudioService iAudioService = null; 4621 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 4622 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4623 iAudioService = IAudioService.Stub.asInterface( 4624 ServiceManager.getService(Context.AUDIO_SERVICE)); 4625 } 4626 4627 if (enabled && !alreadyRestricted) { 4628 try { 4629 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4630 iAudioService.setMicrophoneMute(true, who.getPackageName()); 4631 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4632 iAudioService.setMasterMute(true, 0, who.getPackageName(), null); 4633 } 4634 } catch (RemoteException re) { 4635 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4636 } 4637 } 4638 long id = Binder.clearCallingIdentity(); 4639 try { 4640 if (enabled && !alreadyRestricted) { 4641 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 4642 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4643 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 4644 userHandle.getIdentifier()); 4645 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 4646 UsbManager manager = 4647 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 4648 manager.setCurrentFunction("none", false); 4649 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 4650 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4651 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 4652 userHandle.getIdentifier()); 4653 Settings.Secure.putStringForUser(mContext.getContentResolver(), 4654 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 4655 userHandle.getIdentifier()); 4656 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 4657 Settings.Global.putStringForUser(mContext.getContentResolver(), 4658 Settings.Global.ADB_ENABLED, "0", userHandle.getIdentifier()); 4659 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 4660 Settings.Global.putStringForUser(mContext.getContentResolver(), 4661 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 4662 userHandle.getIdentifier()); 4663 Settings.Global.putStringForUser(mContext.getContentResolver(), 4664 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 4665 userHandle.getIdentifier()); 4666 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 4667 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4668 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 4669 userHandle.getIdentifier()); 4670 } 4671 } 4672 mUserManager.setUserRestriction(key, enabled, userHandle); 4673 } finally { 4674 restoreCallingIdentity(id); 4675 } 4676 if (!enabled && alreadyRestricted) { 4677 try { 4678 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4679 iAudioService.setMicrophoneMute(false, who.getPackageName()); 4680 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4681 iAudioService.setMasterMute(false, 0, who.getPackageName(), null); 4682 } 4683 } catch (RemoteException re) { 4684 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4685 } 4686 } 4687 } 4688 } 4689 4690 @Override 4691 public boolean setApplicationHidden(ComponentName who, String packageName, 4692 boolean hidden) { 4693 int callingUserId = UserHandle.getCallingUserId(); 4694 synchronized (this) { 4695 if (who == null) { 4696 throw new NullPointerException("ComponentName is null"); 4697 } 4698 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4699 4700 long id = Binder.clearCallingIdentity(); 4701 try { 4702 IPackageManager pm = AppGlobals.getPackageManager(); 4703 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 4704 } catch (RemoteException re) { 4705 // shouldn't happen 4706 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 4707 } finally { 4708 restoreCallingIdentity(id); 4709 } 4710 return false; 4711 } 4712 } 4713 4714 @Override 4715 public boolean isApplicationHidden(ComponentName who, String packageName) { 4716 int callingUserId = UserHandle.getCallingUserId(); 4717 synchronized (this) { 4718 if (who == null) { 4719 throw new NullPointerException("ComponentName is null"); 4720 } 4721 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4722 4723 long id = Binder.clearCallingIdentity(); 4724 try { 4725 IPackageManager pm = AppGlobals.getPackageManager(); 4726 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 4727 } catch (RemoteException re) { 4728 // shouldn't happen 4729 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 4730 } finally { 4731 restoreCallingIdentity(id); 4732 } 4733 return false; 4734 } 4735 } 4736 4737 @Override 4738 public void enableSystemApp(ComponentName who, String packageName) { 4739 synchronized (this) { 4740 if (who == null) { 4741 throw new NullPointerException("ComponentName is null"); 4742 } 4743 4744 // This API can only be called by an active device admin, 4745 // so try to retrieve it to check that the caller is one. 4746 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4747 4748 int userId = UserHandle.getCallingUserId(); 4749 long id = Binder.clearCallingIdentity(); 4750 4751 try { 4752 UserManager um = UserManager.get(mContext); 4753 if (!um.getUserInfo(userId).isManagedProfile()) { 4754 throw new IllegalStateException( 4755 "Only call this method from a managed profile."); 4756 } 4757 4758 UserInfo primaryUser = um.getProfileParent(userId); 4759 4760 if (DBG) { 4761 Slog.v(LOG_TAG, "installing " + packageName + " for " 4762 + userId); 4763 } 4764 4765 IPackageManager pm = AppGlobals.getPackageManager(); 4766 if (!isSystemApp(pm, packageName, primaryUser.id)) { 4767 throw new IllegalArgumentException("Only system apps can be enabled this way."); 4768 } 4769 4770 // Install the app. 4771 pm.installExistingPackageAsUser(packageName, userId); 4772 4773 } catch (RemoteException re) { 4774 // shouldn't happen 4775 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 4776 } finally { 4777 restoreCallingIdentity(id); 4778 } 4779 } 4780 } 4781 4782 @Override 4783 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 4784 synchronized (this) { 4785 if (who == null) { 4786 throw new NullPointerException("ComponentName is null"); 4787 } 4788 4789 // This API can only be called by an active device admin, 4790 // so try to retrieve it to check that the caller is one. 4791 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4792 4793 int userId = UserHandle.getCallingUserId(); 4794 long id = Binder.clearCallingIdentity(); 4795 4796 try { 4797 UserManager um = UserManager.get(mContext); 4798 if (!um.getUserInfo(userId).isManagedProfile()) { 4799 throw new IllegalStateException( 4800 "Only call this method from a managed profile."); 4801 } 4802 4803 UserInfo primaryUser = um.getProfileParent(userId); 4804 4805 IPackageManager pm = AppGlobals.getPackageManager(); 4806 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 4807 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 4808 0, // no flags 4809 primaryUser.id); 4810 4811 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 4812 int numberOfAppsInstalled = 0; 4813 if (activitiesToEnable != null) { 4814 for (ResolveInfo info : activitiesToEnable) { 4815 if (info.activityInfo != null) { 4816 4817 if (!isSystemApp(pm, info.activityInfo.packageName, primaryUser.id)) { 4818 throw new IllegalArgumentException( 4819 "Only system apps can be enabled this way."); 4820 } 4821 4822 4823 numberOfAppsInstalled++; 4824 pm.installExistingPackageAsUser(info.activityInfo.packageName, userId); 4825 } 4826 } 4827 } 4828 return numberOfAppsInstalled; 4829 } catch (RemoteException e) { 4830 // shouldn't happen 4831 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 4832 return 0; 4833 } finally { 4834 restoreCallingIdentity(id); 4835 } 4836 } 4837 } 4838 4839 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 4840 throws RemoteException { 4841 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, 0, userId); 4842 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) > 0; 4843 } 4844 4845 @Override 4846 public void setAccountManagementDisabled(ComponentName who, String accountType, 4847 boolean disabled) { 4848 if (!mHasFeature) { 4849 return; 4850 } 4851 synchronized (this) { 4852 if (who == null) { 4853 throw new NullPointerException("ComponentName is null"); 4854 } 4855 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 4856 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4857 if (disabled) { 4858 ap.accountTypesWithManagementDisabled.add(accountType); 4859 } else { 4860 ap.accountTypesWithManagementDisabled.remove(accountType); 4861 } 4862 saveSettingsLocked(UserHandle.getCallingUserId()); 4863 } 4864 } 4865 4866 @Override 4867 public String[] getAccountTypesWithManagementDisabled() { 4868 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 4869 } 4870 4871 @Override 4872 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 4873 enforceCrossUserPermission(userId); 4874 if (!mHasFeature) { 4875 return null; 4876 } 4877 synchronized (this) { 4878 DevicePolicyData policy = getUserData(userId); 4879 final int N = policy.mAdminList.size(); 4880 HashSet<String> resultSet = new HashSet<String>(); 4881 for (int i = 0; i < N; i++) { 4882 ActiveAdmin admin = policy.mAdminList.get(i); 4883 resultSet.addAll(admin.accountTypesWithManagementDisabled); 4884 } 4885 return resultSet.toArray(new String[resultSet.size()]); 4886 } 4887 } 4888 4889 @Override 4890 public void setUninstallBlocked(ComponentName who, String packageName, 4891 boolean uninstallBlocked) { 4892 final int userId = UserHandle.getCallingUserId(); 4893 4894 synchronized (this) { 4895 if (who == null) { 4896 throw new NullPointerException("ComponentName is null"); 4897 } 4898 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4899 4900 long id = Binder.clearCallingIdentity(); 4901 try { 4902 IPackageManager pm = AppGlobals.getPackageManager(); 4903 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 4904 } catch (RemoteException re) { 4905 // Shouldn't happen. 4906 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 4907 } finally { 4908 restoreCallingIdentity(id); 4909 } 4910 } 4911 } 4912 4913 @Override 4914 public boolean isUninstallBlocked(ComponentName who, String packageName) { 4915 final int userId = UserHandle.getCallingUserId(); 4916 4917 synchronized (this) { 4918 if (who == null) { 4919 throw new NullPointerException("ComponentName is null"); 4920 } 4921 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4922 4923 long id = Binder.clearCallingIdentity(); 4924 try { 4925 IPackageManager pm = AppGlobals.getPackageManager(); 4926 return pm.getBlockUninstallForUser(packageName, userId); 4927 } catch (RemoteException re) { 4928 // Shouldn't happen. 4929 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 4930 } finally { 4931 restoreCallingIdentity(id); 4932 } 4933 } 4934 return false; 4935 } 4936 4937 @Override 4938 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 4939 if (!mHasFeature) { 4940 return; 4941 } 4942 synchronized (this) { 4943 if (who == null) { 4944 throw new NullPointerException("ComponentName is null"); 4945 } 4946 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4947 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4948 if (admin.disableCallerId != disabled) { 4949 admin.disableCallerId = disabled; 4950 saveSettingsLocked(UserHandle.getCallingUserId()); 4951 } 4952 } 4953 } 4954 4955 @Override 4956 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 4957 if (!mHasFeature) { 4958 return false; 4959 } 4960 4961 synchronized (this) { 4962 if (who == null) { 4963 throw new NullPointerException("ComponentName is null"); 4964 } 4965 4966 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4967 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4968 return admin.disableCallerId; 4969 } 4970 } 4971 4972 @Override 4973 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 4974 // TODO: Should there be a check to make sure this relationship is within a profile group? 4975 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 4976 synchronized (this) { 4977 ActiveAdmin admin = getProfileOwnerAdmin(userId); 4978 return (admin != null) ? admin.disableCallerId : false; 4979 } 4980 } 4981 4982 /** 4983 * Sets which packages may enter lock task mode. 4984 * 4985 * This function can only be called by the device owner. 4986 * @param components The list of components allowed to enter lock task mode. 4987 */ 4988 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 4989 synchronized (this) { 4990 if (who == null) { 4991 throw new NullPointerException("ComponentName is null"); 4992 } 4993 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4994 4995 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 4996 DevicePolicyData policy = getUserData(userHandle); 4997 policy.mLockTaskPackages.clear(); 4998 if (packages != null) { 4999 for (int j = 0; j < packages.length; j++) { 5000 String pkg = packages[j]; 5001 policy.mLockTaskPackages.add(pkg); 5002 } 5003 } 5004 5005 // Store the settings persistently. 5006 saveSettingsLocked(userHandle); 5007 } 5008 } 5009 5010 /** 5011 * This function returns the list of components allowed to start the task lock mode. 5012 */ 5013 public String[] getLockTaskPackages(ComponentName who) { 5014 synchronized (this) { 5015 if (who == null) { 5016 throw new NullPointerException("ComponentName is null"); 5017 } 5018 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5019 5020 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5021 DevicePolicyData policy = getUserData(userHandle); 5022 return policy.mLockTaskPackages.toArray(new String[0]); 5023 } 5024 } 5025 5026 /** 5027 * This function lets the caller know whether the given package is allowed to start the 5028 * lock task mode. 5029 * @param pkg The package to check 5030 */ 5031 public boolean isLockTaskPermitted(String pkg) { 5032 // Get current user's devicepolicy 5033 int uid = Binder.getCallingUid(); 5034 int userHandle = UserHandle.getUserId(uid); 5035 DevicePolicyData policy = getUserData(userHandle); 5036 synchronized (this) { 5037 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5038 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5039 5040 // If the given package equals one of the packages stored our list, 5041 // we allow this package to start lock task mode. 5042 if (lockTaskPackage.equals(pkg)) { 5043 return true; 5044 } 5045 } 5046 } 5047 return false; 5048 } 5049 5050 @Override 5051 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5052 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5053 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5054 } 5055 synchronized (this) { 5056 final DevicePolicyData policy = getUserData(userHandle); 5057 Bundle adminExtras = new Bundle(); 5058 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5059 for (ActiveAdmin admin : policy.mAdminList) { 5060 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5061 boolean ownsProfile = (getProfileOwner(userHandle) != null 5062 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5063 if (ownsDevice || ownsProfile) { 5064 if (isEnabled) { 5065 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5066 adminExtras, null); 5067 } else { 5068 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5069 } 5070 } 5071 } 5072 } 5073 } 5074 5075 @Override 5076 public void setGlobalSetting(ComponentName who, String setting, String value) { 5077 final ContentResolver contentResolver = mContext.getContentResolver(); 5078 5079 synchronized (this) { 5080 if (who == null) { 5081 throw new NullPointerException("ComponentName is null"); 5082 } 5083 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5084 5085 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5086 throw new SecurityException(String.format( 5087 "Permission denial: device owners cannot update %1$s", setting)); 5088 } 5089 5090 long id = Binder.clearCallingIdentity(); 5091 try { 5092 Settings.Global.putString(contentResolver, setting, value); 5093 } finally { 5094 restoreCallingIdentity(id); 5095 } 5096 } 5097 } 5098 5099 @Override 5100 public void setSecureSetting(ComponentName who, String setting, String value) { 5101 int callingUserId = UserHandle.getCallingUserId(); 5102 final ContentResolver contentResolver = mContext.getContentResolver(); 5103 5104 synchronized (this) { 5105 if (who == null) { 5106 throw new NullPointerException("ComponentName is null"); 5107 } 5108 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5109 5110 if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5111 throw new SecurityException(String.format( 5112 "Permission denial: profile/device owners cannot update %1$s", setting)); 5113 } 5114 5115 long id = Binder.clearCallingIdentity(); 5116 try { 5117 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5118 } finally { 5119 restoreCallingIdentity(id); 5120 } 5121 } 5122 } 5123 5124 @Override 5125 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5126 final ContentResolver contentResolver = mContext.getContentResolver(); 5127 5128 synchronized (this) { 5129 if (who == null) { 5130 throw new NullPointerException("ComponentName is null"); 5131 } 5132 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5133 5134 IAudioService iAudioService = IAudioService.Stub.asInterface( 5135 ServiceManager.getService(Context.AUDIO_SERVICE)); 5136 try{ 5137 iAudioService.setMasterMute(on, 0, who.getPackageName(), null); 5138 } catch (RemoteException re) { 5139 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5140 } 5141 } 5142 } 5143 5144 @Override 5145 public boolean isMasterVolumeMuted(ComponentName who) { 5146 final ContentResolver contentResolver = mContext.getContentResolver(); 5147 5148 synchronized (this) { 5149 if (who == null) { 5150 throw new NullPointerException("ComponentName is null"); 5151 } 5152 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5153 5154 AudioManager audioManager = 5155 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5156 return audioManager.isMasterMute(); 5157 } 5158 } 5159 5160 /** 5161 * We need to update the internal state of whether a user has completed setup once. After 5162 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5163 * as we don't trust any apps that might try to reset it. 5164 * <p> 5165 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5166 * them. 5167 */ 5168 void updateUserSetupComplete() { 5169 List<UserInfo> users = mUserManager.getUsers(true); 5170 ContentResolver resolver = mContext.getContentResolver(); 5171 final int N = users.size(); 5172 for (int i = 0; i < N; i++) { 5173 int userHandle = users.get(i).id; 5174 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5175 userHandle) != 0) { 5176 DevicePolicyData policy = getUserData(userHandle); 5177 if (!policy.mUserSetupComplete) { 5178 policy.mUserSetupComplete = true; 5179 synchronized (this) { 5180 saveSettingsLocked(userHandle); 5181 } 5182 } 5183 } 5184 } 5185 } 5186 5187 private class SetupContentObserver extends ContentObserver { 5188 5189 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5190 Settings.Secure.USER_SETUP_COMPLETE); 5191 5192 public SetupContentObserver(Handler handler) { 5193 super(handler); 5194 } 5195 5196 void register(ContentResolver resolver) { 5197 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5198 } 5199 5200 @Override 5201 public void onChange(boolean selfChange, Uri uri) { 5202 if (mUserSetupComplete.equals(uri)) { 5203 updateUserSetupComplete(); 5204 } 5205 } 5206 } 5207 5208 private final class LocalService extends DevicePolicyManagerInternal { 5209 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5210 5211 @Override 5212 public List<String> getCrossProfileWidgetProviders(int profileId) { 5213 synchronized (DevicePolicyManagerService.this) { 5214 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5215 if (ownerComponent == null) { 5216 return Collections.emptyList(); 5217 } 5218 5219 DevicePolicyData policy = getUserData(profileId); 5220 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 5221 5222 if (admin == null || admin.crossProfileWidgetProviders == null 5223 || admin.crossProfileWidgetProviders.isEmpty()) { 5224 return Collections.emptyList(); 5225 } 5226 5227 return admin.crossProfileWidgetProviders; 5228 } 5229 } 5230 5231 @Override 5232 public void addOnCrossProfileWidgetProvidersChangeListener( 5233 OnCrossProfileWidgetProvidersChangeListener listener) { 5234 synchronized (DevicePolicyManagerService.this) { 5235 if (mWidgetProviderListeners == null) { 5236 mWidgetProviderListeners = new ArrayList<>(); 5237 } 5238 if (!mWidgetProviderListeners.contains(listener)) { 5239 mWidgetProviderListeners.add(listener); 5240 } 5241 } 5242 } 5243 5244 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 5245 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 5246 synchronized (DevicePolicyManagerService.this) { 5247 listeners = new ArrayList<>(mWidgetProviderListeners); 5248 } 5249 final int listenerCount = listeners.size(); 5250 for (int i = 0; i < listenerCount; i++) { 5251 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 5252 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 5253 } 5254 } 5255 } 5256} 5257