DevicePolicyManagerService.java revision 7f7ea82c28f01798b15686aa45733885beebcc6e
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.devicepolicy; 18 19import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; 20import static android.app.admin.DevicePolicyManager.WIPE_EXTERNAL_STORAGE; 21import static android.app.admin.DevicePolicyManager.WIPE_RESET_PROTECTION_DATA; 22import static android.content.pm.PackageManager.GET_UNINSTALLED_PACKAGES; 23 24import android.accessibilityservice.AccessibilityServiceInfo; 25import android.accounts.AccountManager; 26import android.app.Activity; 27import android.app.ActivityManagerNative; 28import android.app.AlarmManager; 29import android.app.AppGlobals; 30import android.app.IActivityManager; 31import android.app.Notification; 32import android.app.NotificationManager; 33import android.app.PendingIntent; 34import android.app.admin.DeviceAdminInfo; 35import android.app.admin.DeviceAdminReceiver; 36import android.app.admin.DevicePolicyManager; 37import android.app.admin.DevicePolicyManagerInternal; 38import android.app.admin.IDevicePolicyManager; 39import android.app.backup.IBackupManager; 40import android.content.BroadcastReceiver; 41import android.content.ComponentName; 42import android.content.ContentResolver; 43import android.content.Context; 44import android.content.Intent; 45import android.content.IntentFilter; 46import android.content.pm.ApplicationInfo; 47import android.content.pm.IPackageManager; 48import android.content.pm.PackageManager; 49import android.content.pm.PackageManager.NameNotFoundException; 50import android.content.pm.ResolveInfo; 51import android.content.pm.UserInfo; 52import android.database.ContentObserver; 53import android.hardware.usb.UsbManager; 54import android.media.AudioManager; 55import android.media.IAudioService; 56import android.net.ConnectivityManager; 57import android.net.ProxyInfo; 58import android.net.Uri; 59import android.os.AsyncTask; 60import android.os.Binder; 61import android.os.Bundle; 62import android.os.Environment; 63import android.os.Handler; 64import android.os.IBinder; 65import android.os.PersistableBundle; 66import android.os.PowerManager; 67import android.os.PowerManagerInternal; 68import android.os.Process; 69import android.os.RecoverySystem; 70import android.os.RemoteCallback; 71import android.os.RemoteException; 72import android.os.ServiceManager; 73import android.os.SystemClock; 74import android.os.SystemProperties; 75import android.os.UserHandle; 76import android.os.UserManager; 77import android.provider.Settings; 78import android.security.Credentials; 79import android.security.IKeyChainService; 80import android.security.KeyChain; 81import android.security.KeyChain.KeyChainConnection; 82import android.text.TextUtils; 83import android.service.persistentdata.PersistentDataBlockManager; 84import android.util.Log; 85import android.util.PrintWriterPrinter; 86import android.util.Printer; 87import android.util.Slog; 88import android.util.SparseArray; 89import android.util.Xml; 90import android.view.accessibility.AccessibilityManager; 91import android.view.accessibility.IAccessibilityManager; 92import android.view.inputmethod.InputMethodInfo; 93import android.view.inputmethod.InputMethodManager; 94import android.view.IWindowManager; 95 96import com.android.internal.R; 97import com.android.internal.os.storage.ExternalStorageFormatter; 98import com.android.internal.util.FastXmlSerializer; 99import com.android.internal.util.JournaledFile; 100import com.android.internal.util.XmlUtils; 101import com.android.internal.widget.LockPatternUtils; 102import com.android.server.LocalServices; 103import com.android.server.SystemService; 104import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 105 106import org.xmlpull.v1.XmlPullParser; 107 108import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 109import static org.xmlpull.v1.XmlPullParser.END_TAG; 110import static org.xmlpull.v1.XmlPullParser.TEXT; 111 112import org.xmlpull.v1.XmlPullParserException; 113import org.xmlpull.v1.XmlSerializer; 114 115import java.io.ByteArrayInputStream; 116import java.io.File; 117import java.io.FileDescriptor; 118import java.io.FileInputStream; 119import java.io.FileNotFoundException; 120import java.io.FileOutputStream; 121import java.io.IOException; 122import java.io.PrintWriter; 123import java.security.cert.CertificateException; 124import java.security.cert.CertificateFactory; 125import java.security.cert.X509Certificate; 126import java.text.DateFormat; 127import java.util.ArrayList; 128import java.util.Collections; 129import java.util.Date; 130import java.util.HashMap; 131import java.util.HashSet; 132import java.util.List; 133import java.util.Map.Entry; 134import java.util.Set; 135 136/** 137 * Implementation of the device policy APIs. 138 */ 139public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 140 141 private static final String LOG_TAG = "DevicePolicyManagerService"; 142 143 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 144 145 private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; 146 147 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 148 149 private static final long MS_PER_DAY = 86400 * 1000; 150 151 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 152 153 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 154 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 155 156 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 157 158 private static final boolean DBG = false; 159 160 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 161 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 162 163 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 164 static { 165 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 166 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 167 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 168 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 169 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 170 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 171 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 172 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 173 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 174 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 175 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 176 } 177 178 private static final Set<String> SECURE_SETTINGS_WHITELIST; 179 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 180 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 181 static { 182 SECURE_SETTINGS_WHITELIST = new HashSet(); 183 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 184 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 185 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 186 187 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 188 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 189 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 190 191 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 192 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 193 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 194 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 195 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.BLUETOOTH_ON); 196 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 197 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 198 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 199 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 200 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 201 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_ON); 202 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 203 } 204 205 final Context mContext; 206 final UserManager mUserManager; 207 final PowerManager.WakeLock mWakeLock; 208 209 final LocalService mLocalService; 210 211 final PowerManager mPowerManager; 212 final PowerManagerInternal mPowerManagerInternal; 213 214 IWindowManager mIWindowManager; 215 NotificationManager mNotificationManager; 216 217 // Stores and loads state on device and profile owners. 218 private DeviceOwner mDeviceOwner; 219 220 /** 221 * Whether or not device admin feature is supported. If it isn't return defaults for all 222 * public methods. 223 */ 224 private boolean mHasFeature; 225 226 public static final class Lifecycle extends SystemService { 227 private DevicePolicyManagerService mService; 228 229 public Lifecycle(Context context) { 230 super(context); 231 mService = new DevicePolicyManagerService(context); 232 } 233 234 @Override 235 public void onStart() { 236 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 237 } 238 239 @Override 240 public void onBootPhase(int phase) { 241 if (phase == PHASE_LOCK_SETTINGS_READY) { 242 mService.systemReady(); 243 } 244 } 245 } 246 247 public static class DevicePolicyData { 248 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 249 int mActivePasswordLength = 0; 250 int mActivePasswordUpperCase = 0; 251 int mActivePasswordLowerCase = 0; 252 int mActivePasswordLetters = 0; 253 int mActivePasswordNumeric = 0; 254 int mActivePasswordSymbols = 0; 255 int mActivePasswordNonLetter = 0; 256 int mFailedPasswordAttempts = 0; 257 258 int mUserHandle; 259 int mPasswordOwner = -1; 260 long mLastMaximumTimeToLock = -1; 261 boolean mUserSetupComplete = false; 262 263 final HashMap<ComponentName, ActiveAdmin> mAdminMap 264 = new HashMap<ComponentName, ActiveAdmin>(); 265 final ArrayList<ActiveAdmin> mAdminList 266 = new ArrayList<ActiveAdmin>(); 267 final ArrayList<ComponentName> mRemovingAdmins 268 = new ArrayList<ComponentName>(); 269 270 // This is the list of component allowed to start lock task mode. 271 final List<String> mLockTaskPackages = new ArrayList<String>(); 272 273 ComponentName mRestrictionsProvider; 274 275 public DevicePolicyData(int userHandle) { 276 mUserHandle = userHandle; 277 } 278 } 279 280 final SparseArray<DevicePolicyData> mUserData = new SparseArray<DevicePolicyData>(); 281 282 Handler mHandler = new Handler(); 283 284 BroadcastReceiver mReceiver = new BroadcastReceiver() { 285 @Override 286 public void onReceive(Context context, Intent intent) { 287 final String action = intent.getAction(); 288 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 289 getSendingUserId()); 290 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 291 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 292 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 293 + action + " for user " + userHandle); 294 mHandler.post(new Runnable() { 295 public void run() { 296 handlePasswordExpirationNotification(userHandle); 297 } 298 }); 299 } 300 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 301 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 302 new MonitoringCertNotificationTask().execute(intent); 303 } 304 if (Intent.ACTION_USER_REMOVED.equals(action)) { 305 removeUserData(userHandle); 306 } else if (Intent.ACTION_USER_STARTED.equals(action) 307 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 308 309 if (Intent.ACTION_USER_STARTED.equals(action)) { 310 // Reset the policy data 311 synchronized (DevicePolicyManagerService.this) { 312 mUserData.remove(userHandle); 313 } 314 } 315 handlePackagesChanged(null /* check all admins */, userHandle); 316 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 317 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 318 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 319 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 320 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 321 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 322 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 323 } 324 } 325 }; 326 327 static class ActiveAdmin { 328 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 329 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 330 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 331 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 332 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 333 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 334 private static final String TAG_ACCOUNT_TYPE = "account-type"; 335 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 336 = "permitted-accessiblity-services"; 337 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 338 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 339 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 340 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 341 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 342 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 343 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 344 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 345 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 346 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 347 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 348 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 349 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 350 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 351 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 352 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 353 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 354 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 355 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 356 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 357 private static final String ATTR_VALUE = "value"; 358 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 359 private static final String TAG_POLICIES = "policies"; 360 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 361 "cross-profile-widget-providers"; 362 private static final String TAG_PROVIDER = "provider"; 363 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 364 365 final DeviceAdminInfo info; 366 367 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 368 369 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 370 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 371 372 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 373 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 374 375 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 376 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 377 378 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 379 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 380 381 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 382 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 383 384 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 385 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 386 387 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 388 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 389 390 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 391 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 392 393 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 394 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 395 396 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 397 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 398 399 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 400 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 401 402 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 403 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 404 405 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 406 407 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 408 409 boolean encryptionRequested = false; 410 boolean disableCamera = false; 411 boolean disableCallerId = false; 412 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 413 boolean requireAutoTime = false; // Can only be set by a device owner. 414 415 static class TrustAgentInfo { 416 public PersistableBundle options; 417 TrustAgentInfo(PersistableBundle bundle) { 418 options = bundle; 419 } 420 } 421 422 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 423 424 // The list of permitted accessibility services package namesas set by a profile 425 // or device owner. Null means all accessibility services are allowed, empty means 426 // none except system services are allowed. 427 List<String> permittedAccessiblityServices; 428 429 // The list of permitted input methods package names as set by a profile or device owner. 430 // Null means all input methods are allowed, empty means none except system imes are 431 // allowed. 432 List<String> permittedInputMethods; 433 434 // TODO: review implementation decisions with frameworks team 435 boolean specifiesGlobalProxy = false; 436 String globalProxySpec = null; 437 String globalProxyExclusionList = null; 438 439 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 440 441 List<String> crossProfileWidgetProviders; 442 443 ActiveAdmin(DeviceAdminInfo _info) { 444 info = _info; 445 } 446 447 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 448 449 public UserHandle getUserHandle() { 450 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 451 } 452 453 void writeToXml(XmlSerializer out) 454 throws IllegalArgumentException, IllegalStateException, IOException { 455 out.startTag(null, TAG_POLICIES); 456 info.writePoliciesToXml(out); 457 out.endTag(null, TAG_POLICIES); 458 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 459 out.startTag(null, TAG_PASSWORD_QUALITY); 460 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 461 out.endTag(null, TAG_PASSWORD_QUALITY); 462 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 463 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 464 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 465 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 466 } 467 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 468 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 469 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 470 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 471 } 472 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 473 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 474 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 475 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 476 } 477 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 478 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 479 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 480 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 481 } 482 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 483 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 484 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 485 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 486 } 487 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 488 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 489 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 490 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 491 } 492 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 493 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 494 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 495 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 496 } 497 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 498 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 499 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 500 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 501 } 502 } 503 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 504 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 505 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 506 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 507 } 508 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 509 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 510 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 511 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 512 } 513 if (specifiesGlobalProxy) { 514 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 515 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 516 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 517 if (globalProxySpec != null) { 518 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 519 out.attribute(null, ATTR_VALUE, globalProxySpec); 520 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 521 } 522 if (globalProxyExclusionList != null) { 523 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 524 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 525 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 526 } 527 } 528 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 529 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 530 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 531 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 532 } 533 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 534 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 535 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 536 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 537 } 538 if (encryptionRequested) { 539 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 540 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 541 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 542 } 543 if (disableCamera) { 544 out.startTag(null, TAG_DISABLE_CAMERA); 545 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 546 out.endTag(null, TAG_DISABLE_CAMERA); 547 } 548 if (disableCallerId) { 549 out.startTag(null, TAG_DISABLE_CALLER_ID); 550 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 551 out.endTag(null, TAG_DISABLE_CALLER_ID); 552 } 553 if (disableScreenCapture) { 554 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 555 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 556 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 557 } 558 if (requireAutoTime) { 559 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 560 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 561 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 562 } 563 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 564 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 565 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 566 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 567 } 568 if (!accountTypesWithManagementDisabled.isEmpty()) { 569 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 570 for (String ac : accountTypesWithManagementDisabled) { 571 out.startTag(null, TAG_ACCOUNT_TYPE); 572 out.attribute(null, ATTR_VALUE, ac); 573 out.endTag(null, TAG_ACCOUNT_TYPE); 574 } 575 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 576 } 577 if (!trustAgentInfos.isEmpty()) { 578 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 579 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 580 for (Entry<String, TrustAgentInfo> entry : set) { 581 TrustAgentInfo trustAgentInfo = entry.getValue(); 582 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 583 out.attribute(null, ATTR_VALUE, entry.getKey()); 584 if (trustAgentInfo.options != null) { 585 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 586 try { 587 trustAgentInfo.options.saveToXml(out); 588 } catch (XmlPullParserException e) { 589 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 590 } 591 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 592 } 593 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 594 } 595 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 596 } 597 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 598 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 599 final int providerCount = crossProfileWidgetProviders.size(); 600 for (int i = 0; i < providerCount; i++) { 601 String provider = crossProfileWidgetProviders.get(i); 602 out.startTag(null, TAG_PROVIDER); 603 out.attribute(null, ATTR_VALUE, provider); 604 out.endTag(null, TAG_PROVIDER); 605 } 606 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 607 } 608 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 609 permittedAccessiblityServices); 610 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 611 } 612 613 void writePackageListToXml(XmlSerializer out, String outerTag, 614 List<String> packageList) 615 throws IllegalArgumentException, IllegalStateException, IOException { 616 if (packageList == null) { 617 return; 618 } 619 620 out.startTag(null, outerTag); 621 for (String packageName : packageList) { 622 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 623 out.attribute(null, ATTR_VALUE, packageName); 624 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 625 } 626 out.endTag(null, outerTag); 627 } 628 629 void readFromXml(XmlPullParser parser) 630 throws XmlPullParserException, IOException { 631 int outerDepth = parser.getDepth(); 632 int type; 633 while ((type=parser.next()) != END_DOCUMENT 634 && (type != END_TAG || parser.getDepth() > outerDepth)) { 635 if (type == END_TAG || type == TEXT) { 636 continue; 637 } 638 String tag = parser.getName(); 639 if (TAG_POLICIES.equals(tag)) { 640 info.readPoliciesFromXml(parser); 641 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 642 passwordQuality = Integer.parseInt( 643 parser.getAttributeValue(null, ATTR_VALUE)); 644 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 645 minimumPasswordLength = Integer.parseInt( 646 parser.getAttributeValue(null, ATTR_VALUE)); 647 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 648 passwordHistoryLength = Integer.parseInt( 649 parser.getAttributeValue(null, ATTR_VALUE)); 650 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 651 minimumPasswordUpperCase = Integer.parseInt( 652 parser.getAttributeValue(null, ATTR_VALUE)); 653 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 654 minimumPasswordLowerCase = Integer.parseInt( 655 parser.getAttributeValue(null, ATTR_VALUE)); 656 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 657 minimumPasswordLetters = Integer.parseInt( 658 parser.getAttributeValue(null, ATTR_VALUE)); 659 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 660 minimumPasswordNumeric = Integer.parseInt( 661 parser.getAttributeValue(null, ATTR_VALUE)); 662 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 663 minimumPasswordSymbols = Integer.parseInt( 664 parser.getAttributeValue(null, ATTR_VALUE)); 665 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 666 minimumPasswordNonLetter = Integer.parseInt( 667 parser.getAttributeValue(null, ATTR_VALUE)); 668 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 669 maximumTimeToUnlock = Long.parseLong( 670 parser.getAttributeValue(null, ATTR_VALUE)); 671 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 672 maximumFailedPasswordsForWipe = Integer.parseInt( 673 parser.getAttributeValue(null, ATTR_VALUE)); 674 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 675 specifiesGlobalProxy = Boolean.parseBoolean( 676 parser.getAttributeValue(null, ATTR_VALUE)); 677 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 678 globalProxySpec = 679 parser.getAttributeValue(null, ATTR_VALUE); 680 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 681 globalProxyExclusionList = 682 parser.getAttributeValue(null, ATTR_VALUE); 683 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 684 passwordExpirationTimeout = Long.parseLong( 685 parser.getAttributeValue(null, ATTR_VALUE)); 686 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 687 passwordExpirationDate = Long.parseLong( 688 parser.getAttributeValue(null, ATTR_VALUE)); 689 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 690 encryptionRequested = Boolean.parseBoolean( 691 parser.getAttributeValue(null, ATTR_VALUE)); 692 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 693 disableCamera = Boolean.parseBoolean( 694 parser.getAttributeValue(null, ATTR_VALUE)); 695 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 696 disableCallerId = Boolean.parseBoolean( 697 parser.getAttributeValue(null, ATTR_VALUE)); 698 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 699 disableScreenCapture = Boolean.parseBoolean( 700 parser.getAttributeValue(null, ATTR_VALUE)); 701 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 702 requireAutoTime= Boolean.parseBoolean( 703 parser.getAttributeValue(null, ATTR_VALUE)); 704 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 705 disabledKeyguardFeatures = Integer.parseInt( 706 parser.getAttributeValue(null, ATTR_VALUE)); 707 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 708 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 709 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 710 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 711 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 712 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 713 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 714 permittedAccessiblityServices = readPackageList(parser, tag); 715 } else if (TAG_PERMITTED_IMES.equals(tag)) { 716 permittedInputMethods = readPackageList(parser, tag); 717 } else { 718 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 719 } 720 XmlUtils.skipCurrentTag(parser); 721 } 722 } 723 724 private List<String> readPackageList(XmlPullParser parser, 725 String tag) throws XmlPullParserException, IOException { 726 List<String> result = new ArrayList<String>(); 727 int outerDepth = parser.getDepth(); 728 int outerType; 729 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 730 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 731 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 732 continue; 733 } 734 String outerTag = parser.getName(); 735 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 736 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 737 if (packageName != null) { 738 result.add(packageName); 739 } else { 740 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 741 } 742 } else { 743 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 744 } 745 } 746 return result; 747 } 748 749 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 750 throws XmlPullParserException, IOException { 751 int outerDepthDAM = parser.getDepth(); 752 int typeDAM; 753 Set<String> result = new HashSet<String>(); 754 while ((typeDAM=parser.next()) != END_DOCUMENT 755 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 756 if (typeDAM == END_TAG || typeDAM == TEXT) { 757 continue; 758 } 759 String tagDAM = parser.getName(); 760 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 761 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 762 } else { 763 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 764 } 765 } 766 return result; 767 } 768 769 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 770 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 771 int outerDepthDAM = parser.getDepth(); 772 int typeDAM; 773 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 774 while ((typeDAM=parser.next()) != END_DOCUMENT 775 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 776 if (typeDAM == END_TAG || typeDAM == TEXT) { 777 continue; 778 } 779 String tagDAM = parser.getName(); 780 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 781 final String component = parser.getAttributeValue(null, ATTR_VALUE); 782 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 783 result.put(component, trustAgentInfo); 784 } else { 785 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 786 } 787 } 788 return result; 789 } 790 791 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 792 throws XmlPullParserException, IOException { 793 int outerDepthDAM = parser.getDepth(); 794 int typeDAM; 795 TrustAgentInfo result = new TrustAgentInfo(null); 796 while ((typeDAM=parser.next()) != END_DOCUMENT 797 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 798 if (typeDAM == END_TAG || typeDAM == TEXT) { 799 continue; 800 } 801 String tagDAM = parser.getName(); 802 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 803 PersistableBundle bundle = new PersistableBundle(); 804 bundle.restoreFromXml(parser); 805 result.options = bundle; 806 } else { 807 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 808 } 809 } 810 return result; 811 } 812 813 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 814 throws XmlPullParserException, IOException { 815 int outerDepthDAM = parser.getDepth(); 816 int typeDAM; 817 ArrayList<String> result = null; 818 while ((typeDAM=parser.next()) != END_DOCUMENT 819 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 820 if (typeDAM == END_TAG || typeDAM == TEXT) { 821 continue; 822 } 823 String tagDAM = parser.getName(); 824 if (TAG_PROVIDER.equals(tagDAM)) { 825 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 826 if (result == null) { 827 result = new ArrayList<>(); 828 } 829 result.add(provider); 830 } else { 831 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 832 } 833 } 834 return result; 835 } 836 837 void dump(String prefix, PrintWriter pw) { 838 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 839 pw.print(prefix); pw.println("policies:"); 840 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 841 if (pols != null) { 842 for (int i=0; i<pols.size(); i++) { 843 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 844 } 845 } 846 pw.print(prefix); pw.print("passwordQuality=0x"); 847 pw.println(Integer.toHexString(passwordQuality)); 848 pw.print(prefix); pw.print("minimumPasswordLength="); 849 pw.println(minimumPasswordLength); 850 pw.print(prefix); pw.print("passwordHistoryLength="); 851 pw.println(passwordHistoryLength); 852 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 853 pw.println(minimumPasswordUpperCase); 854 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 855 pw.println(minimumPasswordLowerCase); 856 pw.print(prefix); pw.print("minimumPasswordLetters="); 857 pw.println(minimumPasswordLetters); 858 pw.print(prefix); pw.print("minimumPasswordNumeric="); 859 pw.println(minimumPasswordNumeric); 860 pw.print(prefix); pw.print("minimumPasswordSymbols="); 861 pw.println(minimumPasswordSymbols); 862 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 863 pw.println(minimumPasswordNonLetter); 864 pw.print(prefix); pw.print("maximumTimeToUnlock="); 865 pw.println(maximumTimeToUnlock); 866 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 867 pw.println(maximumFailedPasswordsForWipe); 868 pw.print(prefix); pw.print("specifiesGlobalProxy="); 869 pw.println(specifiesGlobalProxy); 870 pw.print(prefix); pw.print("passwordExpirationTimeout="); 871 pw.println(passwordExpirationTimeout); 872 pw.print(prefix); pw.print("passwordExpirationDate="); 873 pw.println(passwordExpirationDate); 874 if (globalProxySpec != null) { 875 pw.print(prefix); pw.print("globalProxySpec="); 876 pw.println(globalProxySpec); 877 } 878 if (globalProxyExclusionList != null) { 879 pw.print(prefix); pw.print("globalProxyEclusionList="); 880 pw.println(globalProxyExclusionList); 881 } 882 pw.print(prefix); pw.print("encryptionRequested="); 883 pw.println(encryptionRequested); 884 pw.print(prefix); pw.print("disableCamera="); 885 pw.println(disableCamera); 886 pw.print(prefix); pw.print("disableCallerId="); 887 pw.println(disableCallerId); 888 pw.print(prefix); pw.print("disableScreenCapture="); 889 pw.println(disableScreenCapture); 890 pw.print(prefix); pw.print("requireAutoTime="); 891 pw.println(requireAutoTime); 892 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 893 pw.println(disabledKeyguardFeatures); 894 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 895 pw.println(crossProfileWidgetProviders); 896 if (!(permittedAccessiblityServices == null)) { 897 pw.print(prefix); pw.print("permittedAccessibilityServices="); 898 pw.println(permittedAccessiblityServices.toString()); 899 } 900 if (!(permittedInputMethods == null)) { 901 pw.print(prefix); pw.print("permittedInputMethods="); 902 pw.println(permittedInputMethods.toString()); 903 } 904 } 905 } 906 907 private void handlePackagesChanged(String packageName, int userHandle) { 908 boolean removed = false; 909 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 910 DevicePolicyData policy = getUserData(userHandle); 911 IPackageManager pm = AppGlobals.getPackageManager(); 912 synchronized (this) { 913 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 914 ActiveAdmin aa = policy.mAdminList.get(i); 915 try { 916 // If we're checking all packages or if the specific one we're checking matches, 917 // then check if the package and receiver still exist. 918 final String adminPackage = aa.info.getPackageName(); 919 if (packageName == null || packageName.equals(adminPackage)) { 920 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 921 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 922 == null) { 923 removed = true; 924 policy.mAdminList.remove(i); 925 policy.mAdminMap.remove(aa.info.getComponent()); 926 } 927 } 928 } catch (RemoteException re) { 929 // Shouldn't happen 930 } 931 } 932 if (removed) { 933 validatePasswordOwnerLocked(policy); 934 syncDeviceCapabilitiesLocked(policy); 935 saveSettingsLocked(policy.mUserHandle); 936 } 937 } 938 } 939 940 /** 941 * Instantiates the service. 942 */ 943 public DevicePolicyManagerService(Context context) { 944 mContext = context; 945 mUserManager = UserManager.get(mContext); 946 mHasFeature = context.getPackageManager().hasSystemFeature( 947 PackageManager.FEATURE_DEVICE_ADMIN); 948 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 949 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 950 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 951 mLocalService = new LocalService(); 952 if (!mHasFeature) { 953 // Skip the rest of the initialization 954 return; 955 } 956 IntentFilter filter = new IntentFilter(); 957 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 958 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 959 filter.addAction(Intent.ACTION_USER_REMOVED); 960 filter.addAction(Intent.ACTION_USER_STARTED); 961 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 962 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 963 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 964 filter = new IntentFilter(); 965 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 966 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 967 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 968 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 969 filter.addDataScheme("package"); 970 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 971 972 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 973 } 974 975 /** 976 * Creates and loads the policy data from xml. 977 * @param userHandle the user for whom to load the policy data 978 * @return 979 */ 980 DevicePolicyData getUserData(int userHandle) { 981 synchronized (this) { 982 DevicePolicyData policy = mUserData.get(userHandle); 983 if (policy == null) { 984 policy = new DevicePolicyData(userHandle); 985 mUserData.append(userHandle, policy); 986 loadSettingsLocked(policy, userHandle); 987 } 988 return policy; 989 } 990 } 991 992 void removeUserData(int userHandle) { 993 synchronized (this) { 994 if (userHandle == UserHandle.USER_OWNER) { 995 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 996 return; 997 } 998 if (mDeviceOwner != null) { 999 mDeviceOwner.removeProfileOwner(userHandle); 1000 mDeviceOwner.writeOwnerFile(); 1001 } 1002 1003 DevicePolicyData policy = mUserData.get(userHandle); 1004 if (policy != null) { 1005 mUserData.remove(userHandle); 1006 } 1007 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1008 DEVICE_POLICIES_XML); 1009 policyFile.delete(); 1010 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1011 } 1012 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1013 } 1014 1015 void loadDeviceOwner() { 1016 synchronized (this) { 1017 mDeviceOwner = DeviceOwner.load(); 1018 } 1019 } 1020 1021 /** 1022 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1023 * reminders. Clears alarm if no expirations are configured. 1024 */ 1025 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1026 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1027 final long now = System.currentTimeMillis(); 1028 final long timeToExpire = expiration - now; 1029 final long alarmTime; 1030 if (expiration == 0) { 1031 // No expirations are currently configured: Cancel alarm. 1032 alarmTime = 0; 1033 } else if (timeToExpire <= 0) { 1034 // The password has already expired: Repeat every 24 hours. 1035 alarmTime = now + MS_PER_DAY; 1036 } else { 1037 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1038 // the expiration time. 1039 long alarmInterval = timeToExpire % MS_PER_DAY; 1040 if (alarmInterval == 0) { 1041 alarmInterval = MS_PER_DAY; 1042 } 1043 alarmTime = now + alarmInterval; 1044 } 1045 1046 long token = Binder.clearCallingIdentity(); 1047 try { 1048 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1049 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1050 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1051 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1052 new UserHandle(policy.mUserHandle)); 1053 am.cancel(pi); 1054 if (alarmTime != 0) { 1055 am.set(AlarmManager.RTC, alarmTime, pi); 1056 } 1057 } finally { 1058 Binder.restoreCallingIdentity(token); 1059 } 1060 } 1061 1062 private IWindowManager getWindowManager() { 1063 if (mIWindowManager == null) { 1064 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1065 mIWindowManager = IWindowManager.Stub.asInterface(b); 1066 } 1067 return mIWindowManager; 1068 } 1069 1070 private NotificationManager getNotificationManager() { 1071 if (mNotificationManager == null) { 1072 mNotificationManager = 1073 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1074 } 1075 return mNotificationManager; 1076 } 1077 1078 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1079 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1080 if (admin != null 1081 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1082 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1083 return admin; 1084 } 1085 return null; 1086 } 1087 1088 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1089 throws SecurityException { 1090 final int callingUid = Binder.getCallingUid(); 1091 final int userHandle = UserHandle.getUserId(callingUid); 1092 final DevicePolicyData policy = getUserData(userHandle); 1093 1094 List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>(); 1095 1096 // Build a list of admins for this uid matching the given ComponentName 1097 if (who != null) { 1098 ActiveAdmin admin = policy.mAdminMap.get(who); 1099 if (admin == null) { 1100 throw new SecurityException("No active admin " + who); 1101 } 1102 if (admin.getUid() != callingUid) { 1103 throw new SecurityException("Admin " + who + " is not owned by uid " 1104 + Binder.getCallingUid()); 1105 } 1106 candidates.add(admin); 1107 } else { 1108 for (ActiveAdmin admin : policy.mAdminList) { 1109 if (admin.getUid() == callingUid) { 1110 candidates.add(admin); 1111 } 1112 } 1113 } 1114 1115 // Try to find an admin which can use reqPolicy 1116 for (ActiveAdmin admin : candidates) { 1117 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1118 boolean ownsProfile = (getProfileOwner(userHandle) != null 1119 && getProfileOwner(userHandle).getPackageName() 1120 .equals(admin.info.getPackageName())); 1121 1122 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1123 if (ownsDevice) { 1124 return admin; 1125 } 1126 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1127 if (ownsDevice || ownsProfile) { 1128 return admin; 1129 } 1130 } else { 1131 if (admin.info.usesPolicy(reqPolicy)) { 1132 return admin; 1133 } 1134 } 1135 } 1136 1137 if (who != null) { 1138 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1139 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1140 + " does not own the device"); 1141 } 1142 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1143 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1144 + " does not own the profile"); 1145 } 1146 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1147 + " did not specify uses-policy for: " 1148 + candidates.get(0).info.getTagForPolicy(reqPolicy)); 1149 } else { 1150 throw new SecurityException("No active admin owned by uid " 1151 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1152 } 1153 } 1154 1155 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1156 sendAdminCommandLocked(admin, action, null); 1157 } 1158 1159 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1160 sendAdminCommandLocked(admin, action, null, result); 1161 } 1162 1163 /** 1164 * Send an update to one specific admin, get notified when that admin returns a result. 1165 */ 1166 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1167 BroadcastReceiver result) { 1168 Intent intent = new Intent(action); 1169 intent.setComponent(admin.info.getComponent()); 1170 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1171 intent.putExtra("expiration", admin.passwordExpirationDate); 1172 } 1173 if (adminExtras != null) { 1174 intent.putExtras(adminExtras); 1175 } 1176 if (result != null) { 1177 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1178 null, result, mHandler, Activity.RESULT_OK, null, null); 1179 } else { 1180 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1181 } 1182 } 1183 1184 /** 1185 * Send an update to all admins of a user that enforce a specified policy. 1186 */ 1187 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1188 final DevicePolicyData policy = getUserData(userHandle); 1189 final int count = policy.mAdminList.size(); 1190 if (count > 0) { 1191 for (int i = 0; i < count; i++) { 1192 final ActiveAdmin admin = policy.mAdminList.get(i); 1193 if (admin.info.usesPolicy(reqPolicy)) { 1194 sendAdminCommandLocked(admin, action); 1195 } 1196 } 1197 } 1198 } 1199 1200 /** 1201 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1202 * enforce a specified policy. 1203 */ 1204 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1205 int userHandle) { 1206 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1207 for (UserInfo ui : profiles) { 1208 int id = ui.id; 1209 sendAdminCommandLocked(action, reqPolicy, id); 1210 } 1211 } 1212 1213 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1214 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1215 if (admin != null) { 1216 synchronized (this) { 1217 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1218 } 1219 sendAdminCommandLocked(admin, 1220 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1221 new BroadcastReceiver() { 1222 @Override 1223 public void onReceive(Context context, Intent intent) { 1224 synchronized (DevicePolicyManagerService.this) { 1225 int userHandle = admin.getUserHandle().getIdentifier(); 1226 DevicePolicyData policy = getUserData(userHandle); 1227 boolean doProxyCleanup = admin.info.usesPolicy( 1228 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1229 policy.mAdminList.remove(admin); 1230 policy.mAdminMap.remove(adminReceiver); 1231 validatePasswordOwnerLocked(policy); 1232 syncDeviceCapabilitiesLocked(policy); 1233 if (doProxyCleanup) { 1234 resetGlobalProxyLocked(getUserData(userHandle)); 1235 } 1236 saveSettingsLocked(userHandle); 1237 updateMaximumTimeToLockLocked(policy); 1238 policy.mRemovingAdmins.remove(adminReceiver); 1239 } 1240 } 1241 }); 1242 } 1243 } 1244 1245 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1246 if (!mHasFeature) { 1247 return null; 1248 } 1249 enforceCrossUserPermission(userHandle); 1250 Intent resolveIntent = new Intent(); 1251 resolveIntent.setComponent(adminName); 1252 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1253 resolveIntent, 1254 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1255 userHandle); 1256 if (infos == null || infos.size() <= 0) { 1257 throw new IllegalArgumentException("Unknown admin: " + adminName); 1258 } 1259 1260 try { 1261 return new DeviceAdminInfo(mContext, infos.get(0)); 1262 } catch (XmlPullParserException e) { 1263 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1264 e); 1265 return null; 1266 } catch (IOException e) { 1267 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1268 e); 1269 return null; 1270 } 1271 } 1272 1273 private static JournaledFile makeJournaledFile(int userHandle) { 1274 final String base = userHandle == 0 1275 ? "/data/system/" + DEVICE_POLICIES_XML 1276 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1277 .getAbsolutePath(); 1278 return new JournaledFile(new File(base), new File(base + ".tmp")); 1279 } 1280 1281 private void saveSettingsLocked(int userHandle) { 1282 DevicePolicyData policy = getUserData(userHandle); 1283 JournaledFile journal = makeJournaledFile(userHandle); 1284 FileOutputStream stream = null; 1285 try { 1286 stream = new FileOutputStream(journal.chooseForWrite(), false); 1287 XmlSerializer out = new FastXmlSerializer(); 1288 out.setOutput(stream, "utf-8"); 1289 out.startDocument(null, true); 1290 1291 out.startTag(null, "policies"); 1292 if (policy.mRestrictionsProvider != null) { 1293 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1294 policy.mRestrictionsProvider.flattenToString()); 1295 } 1296 if (policy.mUserSetupComplete) { 1297 out.attribute(null, ATTR_SETUP_COMPLETE, 1298 Boolean.toString(true)); 1299 } 1300 1301 final int N = policy.mAdminList.size(); 1302 for (int i=0; i<N; i++) { 1303 ActiveAdmin ap = policy.mAdminList.get(i); 1304 if (ap != null) { 1305 out.startTag(null, "admin"); 1306 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1307 ap.writeToXml(out); 1308 out.endTag(null, "admin"); 1309 } 1310 } 1311 1312 if (policy.mPasswordOwner >= 0) { 1313 out.startTag(null, "password-owner"); 1314 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1315 out.endTag(null, "password-owner"); 1316 } 1317 1318 if (policy.mFailedPasswordAttempts != 0) { 1319 out.startTag(null, "failed-password-attempts"); 1320 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1321 out.endTag(null, "failed-password-attempts"); 1322 } 1323 1324 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1325 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1326 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1327 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1328 out.startTag(null, "active-password"); 1329 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1330 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1331 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1332 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1333 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1334 out.attribute(null, "numeric", Integer 1335 .toString(policy.mActivePasswordNumeric)); 1336 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1337 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1338 out.endTag(null, "active-password"); 1339 } 1340 1341 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1342 String component = policy.mLockTaskPackages.get(i); 1343 out.startTag(null, LOCK_TASK_COMPONENTS_XML); 1344 out.attribute(null, "name", component); 1345 out.endTag(null, LOCK_TASK_COMPONENTS_XML); 1346 } 1347 1348 out.endTag(null, "policies"); 1349 1350 out.endDocument(); 1351 stream.close(); 1352 journal.commit(); 1353 sendChangedNotification(userHandle); 1354 } catch (IOException e) { 1355 try { 1356 if (stream != null) { 1357 stream.close(); 1358 } 1359 } catch (IOException ex) { 1360 // Ignore 1361 } 1362 journal.rollback(); 1363 } 1364 } 1365 1366 private void sendChangedNotification(int userHandle) { 1367 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1368 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1369 long ident = Binder.clearCallingIdentity(); 1370 try { 1371 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1372 } finally { 1373 Binder.restoreCallingIdentity(ident); 1374 } 1375 } 1376 1377 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1378 JournaledFile journal = makeJournaledFile(userHandle); 1379 FileInputStream stream = null; 1380 File file = journal.chooseForRead(); 1381 try { 1382 stream = new FileInputStream(file); 1383 XmlPullParser parser = Xml.newPullParser(); 1384 parser.setInput(stream, null); 1385 1386 int type; 1387 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1388 && type != XmlPullParser.START_TAG) { 1389 } 1390 String tag = parser.getName(); 1391 if (!"policies".equals(tag)) { 1392 throw new XmlPullParserException( 1393 "Settings do not start with policies tag: found " + tag); 1394 } 1395 1396 // Extract the permission provider component name if available 1397 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1398 if (permissionProvider != null) { 1399 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1400 } 1401 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1402 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1403 policy.mUserSetupComplete = true; 1404 } 1405 1406 type = parser.next(); 1407 int outerDepth = parser.getDepth(); 1408 policy.mLockTaskPackages.clear(); 1409 policy.mAdminList.clear(); 1410 policy.mAdminMap.clear(); 1411 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1412 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1413 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1414 continue; 1415 } 1416 tag = parser.getName(); 1417 if ("admin".equals(tag)) { 1418 String name = parser.getAttributeValue(null, "name"); 1419 try { 1420 DeviceAdminInfo dai = findAdmin( 1421 ComponentName.unflattenFromString(name), userHandle); 1422 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1423 != userHandle)) { 1424 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1425 + dai.getActivityInfo().applicationInfo.uid + " for user " 1426 + userHandle); 1427 } 1428 if (dai != null) { 1429 ActiveAdmin ap = new ActiveAdmin(dai); 1430 ap.readFromXml(parser); 1431 policy.mAdminMap.put(ap.info.getComponent(), ap); 1432 } 1433 } catch (RuntimeException e) { 1434 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1435 } 1436 } else if ("failed-password-attempts".equals(tag)) { 1437 policy.mFailedPasswordAttempts = Integer.parseInt( 1438 parser.getAttributeValue(null, "value")); 1439 XmlUtils.skipCurrentTag(parser); 1440 } else if ("password-owner".equals(tag)) { 1441 policy.mPasswordOwner = Integer.parseInt( 1442 parser.getAttributeValue(null, "value")); 1443 XmlUtils.skipCurrentTag(parser); 1444 } else if ("active-password".equals(tag)) { 1445 policy.mActivePasswordQuality = Integer.parseInt( 1446 parser.getAttributeValue(null, "quality")); 1447 policy.mActivePasswordLength = Integer.parseInt( 1448 parser.getAttributeValue(null, "length")); 1449 policy.mActivePasswordUpperCase = Integer.parseInt( 1450 parser.getAttributeValue(null, "uppercase")); 1451 policy.mActivePasswordLowerCase = Integer.parseInt( 1452 parser.getAttributeValue(null, "lowercase")); 1453 policy.mActivePasswordLetters = Integer.parseInt( 1454 parser.getAttributeValue(null, "letters")); 1455 policy.mActivePasswordNumeric = Integer.parseInt( 1456 parser.getAttributeValue(null, "numeric")); 1457 policy.mActivePasswordSymbols = Integer.parseInt( 1458 parser.getAttributeValue(null, "symbols")); 1459 policy.mActivePasswordNonLetter = Integer.parseInt( 1460 parser.getAttributeValue(null, "nonletter")); 1461 XmlUtils.skipCurrentTag(parser); 1462 } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { 1463 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1464 XmlUtils.skipCurrentTag(parser); 1465 } else { 1466 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1467 XmlUtils.skipCurrentTag(parser); 1468 } 1469 } 1470 } catch (NullPointerException e) { 1471 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1472 } catch (NumberFormatException e) { 1473 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1474 } catch (XmlPullParserException e) { 1475 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1476 } catch (FileNotFoundException e) { 1477 // Don't be noisy, this is normal if we haven't defined any policies. 1478 } catch (IOException e) { 1479 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1480 } catch (IndexOutOfBoundsException e) { 1481 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1482 } 1483 try { 1484 if (stream != null) { 1485 stream.close(); 1486 } 1487 } catch (IOException e) { 1488 // Ignore 1489 } 1490 1491 // Generate a list of admins from the admin map 1492 policy.mAdminList.addAll(policy.mAdminMap.values()); 1493 1494 // Validate that what we stored for the password quality matches 1495 // sufficiently what is currently set. Note that this is only 1496 // a sanity check in case the two get out of sync; this should 1497 // never normally happen. 1498 LockPatternUtils utils = new LockPatternUtils(mContext); 1499 if (utils.getActivePasswordQuality() < policy.mActivePasswordQuality) { 1500 Slog.w(LOG_TAG, "Active password quality 0x" 1501 + Integer.toHexString(policy.mActivePasswordQuality) 1502 + " does not match actual quality 0x" 1503 + Integer.toHexString(utils.getActivePasswordQuality())); 1504 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1505 policy.mActivePasswordLength = 0; 1506 policy.mActivePasswordUpperCase = 0; 1507 policy.mActivePasswordLowerCase = 0; 1508 policy.mActivePasswordLetters = 0; 1509 policy.mActivePasswordNumeric = 0; 1510 policy.mActivePasswordSymbols = 0; 1511 policy.mActivePasswordNonLetter = 0; 1512 } 1513 1514 validatePasswordOwnerLocked(policy); 1515 syncDeviceCapabilitiesLocked(policy); 1516 updateMaximumTimeToLockLocked(policy); 1517 } 1518 1519 static void validateQualityConstant(int quality) { 1520 switch (quality) { 1521 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1522 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1523 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1524 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1525 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1526 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1527 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1528 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1529 return; 1530 } 1531 throw new IllegalArgumentException("Invalid quality constant: 0x" 1532 + Integer.toHexString(quality)); 1533 } 1534 1535 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1536 if (policy.mPasswordOwner >= 0) { 1537 boolean haveOwner = false; 1538 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1539 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1540 haveOwner = true; 1541 break; 1542 } 1543 } 1544 if (!haveOwner) { 1545 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1546 + " no longer active; disabling"); 1547 policy.mPasswordOwner = -1; 1548 } 1549 } 1550 } 1551 1552 /** 1553 * Pushes down policy information to the system for any policies related to general device 1554 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1555 */ 1556 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1557 // Ensure the status of the camera is synced down to the system. Interested native services 1558 // should monitor this value and act accordingly. 1559 boolean systemState = SystemProperties.getBoolean(SYSTEM_PROP_DISABLE_CAMERA, false); 1560 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1561 if (cameraDisabled != systemState) { 1562 long token = Binder.clearCallingIdentity(); 1563 try { 1564 String value = cameraDisabled ? "1" : "0"; 1565 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1566 + SYSTEM_PROP_DISABLE_CAMERA + "] = " + value); 1567 SystemProperties.set(SYSTEM_PROP_DISABLE_CAMERA, value); 1568 } finally { 1569 Binder.restoreCallingIdentity(token); 1570 } 1571 } 1572 } 1573 1574 public void systemReady() { 1575 if (!mHasFeature) { 1576 return; 1577 } 1578 getUserData(UserHandle.USER_OWNER); 1579 loadDeviceOwner(); 1580 cleanUpOldUsers(); 1581 // Register an observer for watching for user setup complete. 1582 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1583 // Initialize the user setup state, to handle the upgrade case. 1584 updateUserSetupComplete(); 1585 1586 // Update the screen capture disabled cache in the window manager 1587 List<UserInfo> users = mUserManager.getUsers(true); 1588 final int N = users.size(); 1589 for (int i = 0; i < N; i++) { 1590 int userHandle = users.get(i).id; 1591 updateScreenCaptureDisabledInWindowManager(userHandle, 1592 getScreenCaptureDisabled(null, userHandle)); 1593 } 1594 1595 } 1596 1597 private void cleanUpOldUsers() { 1598 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1599 // before reboot 1600 Set<Integer> usersWithProfileOwners; 1601 Set<Integer> usersWithData; 1602 synchronized(this) { 1603 usersWithProfileOwners = mDeviceOwner != null 1604 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1605 usersWithData = new HashSet<Integer>(); 1606 for (int i = 0; i < mUserData.size(); i++) { 1607 usersWithData.add(mUserData.keyAt(i)); 1608 } 1609 } 1610 List<UserInfo> allUsers = mUserManager.getUsers(); 1611 1612 Set<Integer> deletedUsers = new HashSet<Integer>(); 1613 deletedUsers.addAll(usersWithProfileOwners); 1614 deletedUsers.addAll(usersWithData); 1615 for (UserInfo userInfo : allUsers) { 1616 deletedUsers.remove(userInfo.id); 1617 } 1618 for (Integer userId : deletedUsers) { 1619 removeUserData(userId); 1620 } 1621 } 1622 1623 private void handlePasswordExpirationNotification(int userHandle) { 1624 synchronized (this) { 1625 final long now = System.currentTimeMillis(); 1626 1627 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1628 for (UserInfo ui : profiles) { 1629 int profileUserHandle = ui.id; 1630 final DevicePolicyData policy = getUserData(profileUserHandle); 1631 final int count = policy.mAdminList.size(); 1632 if (count > 0) { 1633 for (int i = 0; i < count; i++) { 1634 final ActiveAdmin admin = policy.mAdminList.get(i); 1635 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1636 && admin.passwordExpirationTimeout > 0L 1637 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1638 && admin.passwordExpirationDate > 0L) { 1639 sendAdminCommandLocked(admin, 1640 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1641 } 1642 } 1643 } 1644 } 1645 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1646 } 1647 } 1648 1649 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1650 @Override 1651 protected Void doInBackground(Intent... params) { 1652 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1653 1654 if (userHandle == UserHandle.USER_ALL) { 1655 for (UserInfo userInfo : mUserManager.getUsers()) { 1656 manageNotification(userInfo.getUserHandle()); 1657 } 1658 } else { 1659 manageNotification(new UserHandle(userHandle)); 1660 } 1661 return null; 1662 } 1663 1664 private void manageNotification(UserHandle userHandle) { 1665 if (!mUserManager.isUserRunning(userHandle)) { 1666 return; 1667 } 1668 1669 // Call out to KeyChain to check for user-added CAs 1670 boolean hasCert = false; 1671 try { 1672 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1673 try { 1674 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1675 hasCert = true; 1676 } 1677 } catch (RemoteException e) { 1678 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1679 } finally { 1680 kcs.close(); 1681 } 1682 } catch (InterruptedException e) { 1683 Thread.currentThread().interrupt(); 1684 } catch (RuntimeException e) { 1685 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1686 } 1687 if (!hasCert) { 1688 getNotificationManager().cancelAsUser( 1689 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1690 return; 1691 } 1692 1693 // Build and show a warning notification 1694 int smallIconId; 1695 String contentText; 1696 final String ownerName = getDeviceOwnerName(); 1697 if (isManagedProfile(userHandle.getIdentifier())) { 1698 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1699 smallIconId = R.drawable.stat_sys_certificate_info; 1700 } else if (ownerName != null) { 1701 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1702 smallIconId = R.drawable.stat_sys_certificate_info; 1703 } else { 1704 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1705 smallIconId = android.R.drawable.stat_sys_warning; 1706 } 1707 1708 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1709 dialogIntent.setFlags( 1710 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1711 dialogIntent.setPackage("com.android.settings"); 1712 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1713 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1714 1715 final Context userContext; 1716 try { 1717 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1718 } catch (PackageManager.NameNotFoundException e) { 1719 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1720 return; 1721 } 1722 final Notification noti = new Notification.Builder(userContext) 1723 .setSmallIcon(smallIconId) 1724 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1725 .setContentText(contentText) 1726 .setContentIntent(notifyIntent) 1727 .setPriority(Notification.PRIORITY_HIGH) 1728 .setShowWhen(false) 1729 .setColor(mContext.getResources().getColor( 1730 com.android.internal.R.color.system_notification_accent_color)) 1731 .build(); 1732 1733 getNotificationManager().notifyAsUser( 1734 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1735 } 1736 } 1737 1738 /** 1739 * @param adminReceiver The admin to add 1740 * @param refreshing true = update an active admin, no error 1741 */ 1742 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1743 if (!mHasFeature) { 1744 return; 1745 } 1746 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1747 } 1748 1749 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1750 Bundle onEnableData) { 1751 mContext.enforceCallingOrSelfPermission( 1752 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1753 enforceCrossUserPermission(userHandle); 1754 1755 DevicePolicyData policy = getUserData(userHandle); 1756 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1757 if (info == null) { 1758 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1759 } 1760 synchronized (this) { 1761 long ident = Binder.clearCallingIdentity(); 1762 try { 1763 if (!refreshing 1764 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1765 throw new IllegalArgumentException("Admin is already added"); 1766 } 1767 ActiveAdmin newAdmin = new ActiveAdmin(info); 1768 policy.mAdminMap.put(adminReceiver, newAdmin); 1769 int replaceIndex = -1; 1770 final int N = policy.mAdminList.size(); 1771 for (int i=0; i < N; i++) { 1772 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1773 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1774 replaceIndex = i; 1775 break; 1776 } 1777 } 1778 if (replaceIndex == -1) { 1779 policy.mAdminList.add(newAdmin); 1780 enableIfNecessary(info.getPackageName(), userHandle); 1781 } else { 1782 policy.mAdminList.set(replaceIndex, newAdmin); 1783 } 1784 saveSettingsLocked(userHandle); 1785 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1786 onEnableData, null); 1787 } finally { 1788 Binder.restoreCallingIdentity(ident); 1789 } 1790 } 1791 } 1792 1793 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1794 if (!mHasFeature) { 1795 return false; 1796 } 1797 enforceCrossUserPermission(userHandle); 1798 synchronized (this) { 1799 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1800 } 1801 } 1802 1803 @Override 1804 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 1805 if (!mHasFeature) { 1806 return false; 1807 } 1808 enforceCrossUserPermission(userHandle); 1809 synchronized (this) { 1810 DevicePolicyData policyData = getUserData(userHandle); 1811 return policyData.mRemovingAdmins.contains(adminReceiver); 1812 } 1813 } 1814 1815 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1816 if (!mHasFeature) { 1817 return false; 1818 } 1819 enforceCrossUserPermission(userHandle); 1820 synchronized (this) { 1821 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1822 if (administrator == null) { 1823 throw new SecurityException("No active admin " + adminReceiver); 1824 } 1825 return administrator.info.usesPolicy(policyId); 1826 } 1827 } 1828 1829 @SuppressWarnings("unchecked") 1830 public List<ComponentName> getActiveAdmins(int userHandle) { 1831 if (!mHasFeature) { 1832 return Collections.EMPTY_LIST; 1833 } 1834 1835 enforceCrossUserPermission(userHandle); 1836 synchronized (this) { 1837 DevicePolicyData policy = getUserData(userHandle); 1838 final int N = policy.mAdminList.size(); 1839 if (N <= 0) { 1840 return null; 1841 } 1842 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1843 for (int i=0; i<N; i++) { 1844 res.add(policy.mAdminList.get(i).info.getComponent()); 1845 } 1846 return res; 1847 } 1848 } 1849 1850 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 1851 if (!mHasFeature) { 1852 return false; 1853 } 1854 enforceCrossUserPermission(userHandle); 1855 synchronized (this) { 1856 DevicePolicyData policy = getUserData(userHandle); 1857 final int N = policy.mAdminList.size(); 1858 for (int i=0; i<N; i++) { 1859 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 1860 return true; 1861 } 1862 } 1863 return false; 1864 } 1865 } 1866 1867 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 1868 if (!mHasFeature) { 1869 return; 1870 } 1871 enforceCrossUserPermission(userHandle); 1872 synchronized (this) { 1873 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1874 if (admin == null) { 1875 return; 1876 } 1877 if (admin.getUid() != Binder.getCallingUid()) { 1878 // If trying to remove device owner, refuse when the caller is not the owner. 1879 if (isDeviceOwner(adminReceiver.getPackageName())) { 1880 return; 1881 } 1882 mContext.enforceCallingOrSelfPermission( 1883 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1884 } 1885 long ident = Binder.clearCallingIdentity(); 1886 try { 1887 removeActiveAdminLocked(adminReceiver, userHandle); 1888 } finally { 1889 Binder.restoreCallingIdentity(ident); 1890 } 1891 } 1892 } 1893 1894 public void setPasswordQuality(ComponentName who, int quality, int userHandle) { 1895 if (!mHasFeature) { 1896 return; 1897 } 1898 validateQualityConstant(quality); 1899 enforceCrossUserPermission(userHandle); 1900 1901 synchronized (this) { 1902 if (who == null) { 1903 throw new NullPointerException("ComponentName is null"); 1904 } 1905 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1906 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1907 if (ap.passwordQuality != quality) { 1908 ap.passwordQuality = quality; 1909 saveSettingsLocked(userHandle); 1910 } 1911 } 1912 } 1913 1914 public int getPasswordQuality(ComponentName who, int userHandle) { 1915 if (!mHasFeature) { 1916 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1917 } 1918 enforceCrossUserPermission(userHandle); 1919 synchronized (this) { 1920 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1921 1922 if (who != null) { 1923 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1924 return admin != null ? admin.passwordQuality : mode; 1925 } 1926 1927 // Return strictest policy for this user and profiles that are visible from this user. 1928 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1929 for (UserInfo userInfo : profiles) { 1930 DevicePolicyData policy = getUserData(userInfo.id); 1931 final int N = policy.mAdminList.size(); 1932 for (int i=0; i<N; i++) { 1933 ActiveAdmin admin = policy.mAdminList.get(i); 1934 if (mode < admin.passwordQuality) { 1935 mode = admin.passwordQuality; 1936 } 1937 } 1938 } 1939 return mode; 1940 } 1941 } 1942 1943 public void setPasswordMinimumLength(ComponentName who, int length, int userHandle) { 1944 if (!mHasFeature) { 1945 return; 1946 } 1947 enforceCrossUserPermission(userHandle); 1948 synchronized (this) { 1949 if (who == null) { 1950 throw new NullPointerException("ComponentName is null"); 1951 } 1952 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1953 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1954 if (ap.minimumPasswordLength != length) { 1955 ap.minimumPasswordLength = length; 1956 saveSettingsLocked(userHandle); 1957 } 1958 } 1959 } 1960 1961 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 1962 if (!mHasFeature) { 1963 return 0; 1964 } 1965 enforceCrossUserPermission(userHandle); 1966 synchronized (this) { 1967 int length = 0; 1968 1969 if (who != null) { 1970 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1971 return admin != null ? admin.minimumPasswordLength : length; 1972 } 1973 1974 // Return strictest policy for this user and profiles that are visible from this user. 1975 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1976 for (UserInfo userInfo : profiles) { 1977 DevicePolicyData policy = getUserData(userInfo.id); 1978 final int N = policy.mAdminList.size(); 1979 for (int i=0; i<N; i++) { 1980 ActiveAdmin admin = policy.mAdminList.get(i); 1981 if (length < admin.minimumPasswordLength) { 1982 length = admin.minimumPasswordLength; 1983 } 1984 } 1985 } 1986 return length; 1987 } 1988 } 1989 1990 public void setPasswordHistoryLength(ComponentName who, int length, int userHandle) { 1991 if (!mHasFeature) { 1992 return; 1993 } 1994 enforceCrossUserPermission(userHandle); 1995 synchronized (this) { 1996 if (who == null) { 1997 throw new NullPointerException("ComponentName is null"); 1998 } 1999 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2000 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2001 if (ap.passwordHistoryLength != length) { 2002 ap.passwordHistoryLength = length; 2003 saveSettingsLocked(userHandle); 2004 } 2005 } 2006 } 2007 2008 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2009 if (!mHasFeature) { 2010 return 0; 2011 } 2012 enforceCrossUserPermission(userHandle); 2013 synchronized (this) { 2014 int length = 0; 2015 2016 if (who != null) { 2017 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2018 return admin != null ? admin.passwordHistoryLength : length; 2019 } 2020 2021 // Return strictest policy for this user and profiles that are visible from this user. 2022 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2023 for (UserInfo userInfo : profiles) { 2024 DevicePolicyData policy = getUserData(userInfo.id); 2025 final int N = policy.mAdminList.size(); 2026 for (int i = 0; i < N; i++) { 2027 ActiveAdmin admin = policy.mAdminList.get(i); 2028 if (length < admin.passwordHistoryLength) { 2029 length = admin.passwordHistoryLength; 2030 } 2031 } 2032 } 2033 return length; 2034 } 2035 } 2036 2037 public void setPasswordExpirationTimeout(ComponentName who, long timeout, int userHandle) { 2038 if (!mHasFeature) { 2039 return; 2040 } 2041 enforceCrossUserPermission(userHandle); 2042 synchronized (this) { 2043 if (who == null) { 2044 throw new NullPointerException("ComponentName is null"); 2045 } 2046 if (timeout < 0) { 2047 throw new IllegalArgumentException("Timeout must be >= 0 ms"); 2048 } 2049 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2050 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2051 // Calling this API automatically bumps the expiration date 2052 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2053 ap.passwordExpirationDate = expiration; 2054 ap.passwordExpirationTimeout = timeout; 2055 if (timeout > 0L) { 2056 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2057 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2058 .format(new Date(expiration))); 2059 } 2060 saveSettingsLocked(userHandle); 2061 // in case this is the first one 2062 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2063 } 2064 } 2065 2066 /** 2067 * Return a single admin's expiration cycle time, or the min of all cycle times. 2068 * Returns 0 if not configured. 2069 */ 2070 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2071 if (!mHasFeature) { 2072 return 0L; 2073 } 2074 enforceCrossUserPermission(userHandle); 2075 synchronized (this) { 2076 long timeout = 0L; 2077 2078 if (who != null) { 2079 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2080 return admin != null ? admin.passwordExpirationTimeout : timeout; 2081 } 2082 2083 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2084 for (UserInfo userInfo : profiles) { 2085 DevicePolicyData policy = getUserData(userInfo.id); 2086 final int N = policy.mAdminList.size(); 2087 for (int i = 0; i < N; i++) { 2088 ActiveAdmin admin = policy.mAdminList.get(i); 2089 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2090 && timeout > admin.passwordExpirationTimeout)) { 2091 timeout = admin.passwordExpirationTimeout; 2092 } 2093 } 2094 } 2095 return timeout; 2096 } 2097 } 2098 2099 @Override 2100 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2101 final int userId = UserHandle.getCallingUserId(); 2102 List<String> changedProviders = null; 2103 2104 synchronized (this) { 2105 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2106 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2107 if (activeAdmin.crossProfileWidgetProviders == null) { 2108 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2109 } 2110 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2111 if (!providers.contains(packageName)) { 2112 providers.add(packageName); 2113 changedProviders = new ArrayList<>(providers); 2114 saveSettingsLocked(userId); 2115 } 2116 } 2117 2118 if (changedProviders != null) { 2119 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2120 return true; 2121 } 2122 2123 return false; 2124 } 2125 2126 @Override 2127 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2128 final int userId = UserHandle.getCallingUserId(); 2129 List<String> changedProviders = null; 2130 2131 synchronized (this) { 2132 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2133 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2134 if (activeAdmin.crossProfileWidgetProviders == null) { 2135 return false; 2136 } 2137 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2138 if (providers.remove(packageName)) { 2139 changedProviders = new ArrayList<>(providers); 2140 saveSettingsLocked(userId); 2141 } 2142 } 2143 2144 if (changedProviders != null) { 2145 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2146 return true; 2147 } 2148 2149 return false; 2150 } 2151 2152 @Override 2153 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2154 synchronized (this) { 2155 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2156 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2157 if (activeAdmin.crossProfileWidgetProviders == null 2158 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2159 return null; 2160 } 2161 if (Binder.getCallingUid() == Process.myUid()) { 2162 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2163 } else { 2164 return activeAdmin.crossProfileWidgetProviders; 2165 } 2166 } 2167 } 2168 2169 /** 2170 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2171 * Returns 0 if not configured. 2172 */ 2173 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2174 long timeout = 0L; 2175 2176 if (who != null) { 2177 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2178 return admin != null ? admin.passwordExpirationDate : timeout; 2179 } 2180 2181 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2182 for (UserInfo userInfo : profiles) { 2183 DevicePolicyData policy = getUserData(userInfo.id); 2184 final int N = policy.mAdminList.size(); 2185 for (int i = 0; i < N; i++) { 2186 ActiveAdmin admin = policy.mAdminList.get(i); 2187 if (timeout == 0L || (admin.passwordExpirationDate != 0 2188 && timeout > admin.passwordExpirationDate)) { 2189 timeout = admin.passwordExpirationDate; 2190 } 2191 } 2192 } 2193 return timeout; 2194 } 2195 2196 public long getPasswordExpiration(ComponentName who, int userHandle) { 2197 if (!mHasFeature) { 2198 return 0L; 2199 } 2200 enforceCrossUserPermission(userHandle); 2201 synchronized (this) { 2202 return getPasswordExpirationLocked(who, userHandle); 2203 } 2204 } 2205 2206 public void setPasswordMinimumUpperCase(ComponentName who, int length, int userHandle) { 2207 if (!mHasFeature) { 2208 return; 2209 } 2210 enforceCrossUserPermission(userHandle); 2211 synchronized (this) { 2212 if (who == null) { 2213 throw new NullPointerException("ComponentName is null"); 2214 } 2215 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2216 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2217 if (ap.minimumPasswordUpperCase != length) { 2218 ap.minimumPasswordUpperCase = length; 2219 saveSettingsLocked(userHandle); 2220 } 2221 } 2222 } 2223 2224 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2225 if (!mHasFeature) { 2226 return 0; 2227 } 2228 enforceCrossUserPermission(userHandle); 2229 synchronized (this) { 2230 int length = 0; 2231 2232 if (who != null) { 2233 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2234 return admin != null ? admin.minimumPasswordUpperCase : length; 2235 } 2236 2237 // Return strictest policy for this user and profiles that are visible from this user. 2238 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2239 for (UserInfo userInfo : profiles) { 2240 DevicePolicyData policy = getUserData(userInfo.id); 2241 final int N = policy.mAdminList.size(); 2242 for (int i=0; i<N; i++) { 2243 ActiveAdmin admin = policy.mAdminList.get(i); 2244 if (length < admin.minimumPasswordUpperCase) { 2245 length = admin.minimumPasswordUpperCase; 2246 } 2247 } 2248 } 2249 return length; 2250 } 2251 } 2252 2253 public void setPasswordMinimumLowerCase(ComponentName who, int length, int userHandle) { 2254 enforceCrossUserPermission(userHandle); 2255 synchronized (this) { 2256 if (who == null) { 2257 throw new NullPointerException("ComponentName is null"); 2258 } 2259 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2260 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2261 if (ap.minimumPasswordLowerCase != length) { 2262 ap.minimumPasswordLowerCase = length; 2263 saveSettingsLocked(userHandle); 2264 } 2265 } 2266 } 2267 2268 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2269 if (!mHasFeature) { 2270 return 0; 2271 } 2272 enforceCrossUserPermission(userHandle); 2273 synchronized (this) { 2274 int length = 0; 2275 2276 if (who != null) { 2277 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2278 return admin != null ? admin.minimumPasswordLowerCase : length; 2279 } 2280 2281 // Return strictest policy for this user and profiles that are visible from this user. 2282 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2283 for (UserInfo userInfo : profiles) { 2284 DevicePolicyData policy = getUserData(userInfo.id); 2285 final int N = policy.mAdminList.size(); 2286 for (int i=0; i<N; i++) { 2287 ActiveAdmin admin = policy.mAdminList.get(i); 2288 if (length < admin.minimumPasswordLowerCase) { 2289 length = admin.minimumPasswordLowerCase; 2290 } 2291 } 2292 } 2293 return length; 2294 } 2295 } 2296 2297 public void setPasswordMinimumLetters(ComponentName who, int length, int userHandle) { 2298 if (!mHasFeature) { 2299 return; 2300 } 2301 enforceCrossUserPermission(userHandle); 2302 synchronized (this) { 2303 if (who == null) { 2304 throw new NullPointerException("ComponentName is null"); 2305 } 2306 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2307 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2308 if (ap.minimumPasswordLetters != length) { 2309 ap.minimumPasswordLetters = length; 2310 saveSettingsLocked(userHandle); 2311 } 2312 } 2313 } 2314 2315 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2316 if (!mHasFeature) { 2317 return 0; 2318 } 2319 enforceCrossUserPermission(userHandle); 2320 synchronized (this) { 2321 int length = 0; 2322 2323 if (who != null) { 2324 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2325 return admin != null ? admin.minimumPasswordLetters : length; 2326 } 2327 2328 // Return strictest policy for this user and profiles that are visible from this user. 2329 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2330 for (UserInfo userInfo : profiles) { 2331 DevicePolicyData policy = getUserData(userInfo.id); 2332 final int N = policy.mAdminList.size(); 2333 for (int i=0; i<N; i++) { 2334 ActiveAdmin admin = policy.mAdminList.get(i); 2335 if (length < admin.minimumPasswordLetters) { 2336 length = admin.minimumPasswordLetters; 2337 } 2338 } 2339 } 2340 return length; 2341 } 2342 } 2343 2344 public void setPasswordMinimumNumeric(ComponentName who, int length, int userHandle) { 2345 if (!mHasFeature) { 2346 return; 2347 } 2348 enforceCrossUserPermission(userHandle); 2349 synchronized (this) { 2350 if (who == null) { 2351 throw new NullPointerException("ComponentName is null"); 2352 } 2353 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2354 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2355 if (ap.minimumPasswordNumeric != length) { 2356 ap.minimumPasswordNumeric = length; 2357 saveSettingsLocked(userHandle); 2358 } 2359 } 2360 } 2361 2362 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2363 if (!mHasFeature) { 2364 return 0; 2365 } 2366 enforceCrossUserPermission(userHandle); 2367 synchronized (this) { 2368 int length = 0; 2369 2370 if (who != null) { 2371 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2372 return admin != null ? admin.minimumPasswordNumeric : length; 2373 } 2374 2375 // Return strictest policy for this user and profiles that are visible from this user. 2376 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2377 for (UserInfo userInfo : profiles) { 2378 DevicePolicyData policy = getUserData(userInfo.id); 2379 final int N = policy.mAdminList.size(); 2380 for (int i = 0; i < N; i++) { 2381 ActiveAdmin admin = policy.mAdminList.get(i); 2382 if (length < admin.minimumPasswordNumeric) { 2383 length = admin.minimumPasswordNumeric; 2384 } 2385 } 2386 } 2387 return length; 2388 } 2389 } 2390 2391 public void setPasswordMinimumSymbols(ComponentName who, int length, int userHandle) { 2392 if (!mHasFeature) { 2393 return; 2394 } 2395 enforceCrossUserPermission(userHandle); 2396 synchronized (this) { 2397 if (who == null) { 2398 throw new NullPointerException("ComponentName is null"); 2399 } 2400 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2401 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2402 if (ap.minimumPasswordSymbols != length) { 2403 ap.minimumPasswordSymbols = length; 2404 saveSettingsLocked(userHandle); 2405 } 2406 } 2407 } 2408 2409 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2410 if (!mHasFeature) { 2411 return 0; 2412 } 2413 enforceCrossUserPermission(userHandle); 2414 synchronized (this) { 2415 int length = 0; 2416 2417 if (who != null) { 2418 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2419 return admin != null ? admin.minimumPasswordSymbols : length; 2420 } 2421 2422 // Return strictest policy for this user and profiles that are visible from this user. 2423 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2424 for (UserInfo userInfo : profiles) { 2425 DevicePolicyData policy = getUserData(userInfo.id); 2426 final int N = policy.mAdminList.size(); 2427 for (int i=0; i<N; i++) { 2428 ActiveAdmin admin = policy.mAdminList.get(i); 2429 if (length < admin.minimumPasswordSymbols) { 2430 length = admin.minimumPasswordSymbols; 2431 } 2432 } 2433 } 2434 return length; 2435 } 2436 } 2437 2438 public void setPasswordMinimumNonLetter(ComponentName who, int length, int userHandle) { 2439 if (!mHasFeature) { 2440 return; 2441 } 2442 enforceCrossUserPermission(userHandle); 2443 synchronized (this) { 2444 if (who == null) { 2445 throw new NullPointerException("ComponentName is null"); 2446 } 2447 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2448 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2449 if (ap.minimumPasswordNonLetter != length) { 2450 ap.minimumPasswordNonLetter = length; 2451 saveSettingsLocked(userHandle); 2452 } 2453 } 2454 } 2455 2456 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2457 if (!mHasFeature) { 2458 return 0; 2459 } 2460 enforceCrossUserPermission(userHandle); 2461 synchronized (this) { 2462 int length = 0; 2463 2464 if (who != null) { 2465 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2466 return admin != null ? admin.minimumPasswordNonLetter : length; 2467 } 2468 2469 // Return strictest policy for this user and profiles that are visible from this user. 2470 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2471 for (UserInfo userInfo : profiles) { 2472 DevicePolicyData policy = getUserData(userInfo.id); 2473 final int N = policy.mAdminList.size(); 2474 for (int i=0; i<N; i++) { 2475 ActiveAdmin admin = policy.mAdminList.get(i); 2476 if (length < admin.minimumPasswordNonLetter) { 2477 length = admin.minimumPasswordNonLetter; 2478 } 2479 } 2480 } 2481 return length; 2482 } 2483 } 2484 2485 public boolean isActivePasswordSufficient(int userHandle) { 2486 if (!mHasFeature) { 2487 return true; 2488 } 2489 enforceCrossUserPermission(userHandle); 2490 2491 synchronized (this) { 2492 2493 // The active password is stored in the user that runs the launcher 2494 // If the user this is called from is part of a profile group, that is the parent 2495 // of the group. 2496 UserInfo parent = getProfileParent(userHandle); 2497 int id = parent == null ? userHandle : parent.id; 2498 DevicePolicyData policy = getUserData(id); 2499 2500 // This API can only be called by an active device admin, 2501 // so try to retrieve it to check that the caller is one. 2502 getActiveAdminForCallerLocked(null, 2503 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2504 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2505 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2506 return false; 2507 } 2508 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2509 return true; 2510 } 2511 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2512 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2513 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2514 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2515 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2516 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2517 } 2518 } 2519 2520 public int getCurrentFailedPasswordAttempts(int userHandle) { 2521 synchronized (this) { 2522 // This API can only be called by an active device admin, 2523 // so try to retrieve it to check that the caller is one. 2524 getActiveAdminForCallerLocked(null, 2525 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2526 2527 // The active password is stored in the parent. 2528 DevicePolicyData policy = getUserData(getProfileParent(userHandle).id); 2529 2530 return policy.mFailedPasswordAttempts; 2531 } 2532 } 2533 2534 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, int userHandle) { 2535 if (!mHasFeature) { 2536 return; 2537 } 2538 enforceCrossUserPermission(userHandle); 2539 synchronized (this) { 2540 if (who == null) { 2541 throw new NullPointerException("ComponentName is null"); 2542 } 2543 // This API can only be called by an active device admin, 2544 // so try to retrieve it to check that the caller is one. 2545 getActiveAdminForCallerLocked(who, 2546 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2547 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2548 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2549 if (ap.maximumFailedPasswordsForWipe != num) { 2550 ap.maximumFailedPasswordsForWipe = num; 2551 saveSettingsLocked(userHandle); 2552 } 2553 } 2554 } 2555 2556 @Override 2557 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2558 if (!mHasFeature) { 2559 return 0; 2560 } 2561 enforceCrossUserPermission(userHandle); 2562 synchronized (this) { 2563 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2564 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2565 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2566 } 2567 } 2568 2569 @Override 2570 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2571 if (!mHasFeature) { 2572 return UserHandle.USER_NULL; 2573 } 2574 enforceCrossUserPermission(userHandle); 2575 synchronized (this) { 2576 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2577 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2578 } 2579 } 2580 2581 /** 2582 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2583 * profiles that are visible from this user. If the policy for the primary and any other profile 2584 * are equal, it returns the admin for the primary profile. 2585 * Returns {@code null} if none of them have that policy set. 2586 */ 2587 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2588 int count = 0; 2589 ActiveAdmin strictestAdmin = null; 2590 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2591 DevicePolicyData policy = getUserData(userInfo.id); 2592 for (ActiveAdmin admin : policy.mAdminList) { 2593 if (admin.maximumFailedPasswordsForWipe == 2594 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2595 continue; // No max number of failed passwords policy set for this profile. 2596 } 2597 2598 // We always favor the primary profile if several profiles have the same value set. 2599 if (count == 0 || 2600 count > admin.maximumFailedPasswordsForWipe || 2601 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2602 count = admin.maximumFailedPasswordsForWipe; 2603 strictestAdmin = admin; 2604 } 2605 } 2606 } 2607 return strictestAdmin; 2608 } 2609 2610 public boolean resetPassword(String passwordOrNull, int flags, int userHandle) { 2611 if (!mHasFeature) { 2612 return false; 2613 } 2614 enforceCrossUserPermission(userHandle); 2615 enforceNotManagedProfile(userHandle, "reset the password"); 2616 2617 String password = passwordOrNull != null ? passwordOrNull : ""; 2618 2619 int quality; 2620 synchronized (this) { 2621 // This api can only be called by an active device admin, 2622 // so try to retrieve it to check that the caller is one. 2623 getActiveAdminForCallerLocked(null, 2624 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2625 quality = getPasswordQuality(null, userHandle); 2626 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2627 int realQuality = LockPatternUtils.computePasswordQuality(password); 2628 if (realQuality < quality 2629 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2630 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2631 + Integer.toHexString(realQuality) 2632 + " does not meet required quality 0x" 2633 + Integer.toHexString(quality)); 2634 return false; 2635 } 2636 quality = Math.max(realQuality, quality); 2637 } 2638 int length = getPasswordMinimumLength(null, userHandle); 2639 if (password.length() < length) { 2640 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2641 + " does not meet required length " + length); 2642 return false; 2643 } 2644 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2645 int letters = 0; 2646 int uppercase = 0; 2647 int lowercase = 0; 2648 int numbers = 0; 2649 int symbols = 0; 2650 int nonletter = 0; 2651 for (int i = 0; i < password.length(); i++) { 2652 char c = password.charAt(i); 2653 if (c >= 'A' && c <= 'Z') { 2654 letters++; 2655 uppercase++; 2656 } else if (c >= 'a' && c <= 'z') { 2657 letters++; 2658 lowercase++; 2659 } else if (c >= '0' && c <= '9') { 2660 numbers++; 2661 nonletter++; 2662 } else { 2663 symbols++; 2664 nonletter++; 2665 } 2666 } 2667 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2668 if(letters < neededLetters) { 2669 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2670 + " does not meet required number of letters " + neededLetters); 2671 return false; 2672 } 2673 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2674 if (numbers < neededNumbers) { 2675 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2676 + " does not meet required number of numerical digits " 2677 + neededNumbers); 2678 return false; 2679 } 2680 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2681 if (lowercase < neededLowerCase) { 2682 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2683 + " does not meet required number of lowercase letters " 2684 + neededLowerCase); 2685 return false; 2686 } 2687 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2688 if (uppercase < neededUpperCase) { 2689 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2690 + " does not meet required number of uppercase letters " 2691 + neededUpperCase); 2692 return false; 2693 } 2694 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2695 if (symbols < neededSymbols) { 2696 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2697 + " does not meet required number of special symbols " + neededSymbols); 2698 return false; 2699 } 2700 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2701 if (nonletter < neededNonLetter) { 2702 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2703 + " does not meet required number of non-letter characters " 2704 + neededNonLetter); 2705 return false; 2706 } 2707 } 2708 } 2709 2710 int callingUid = Binder.getCallingUid(); 2711 DevicePolicyData policy = getUserData(userHandle); 2712 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2713 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2714 return false; 2715 } 2716 2717 // Don't do this with the lock held, because it is going to call 2718 // back in to the service. 2719 long ident = Binder.clearCallingIdentity(); 2720 try { 2721 LockPatternUtils utils = new LockPatternUtils(mContext); 2722 if (!TextUtils.isEmpty(password)) { 2723 utils.saveLockPassword(password, quality, false, userHandle); 2724 } else { 2725 utils.clearLock(false, userHandle); 2726 } 2727 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2728 if (requireEntry) { 2729 utils.requireCredentialEntry(UserHandle.USER_ALL); 2730 } 2731 synchronized (this) { 2732 int newOwner = requireEntry ? callingUid : -1; 2733 if (policy.mPasswordOwner != newOwner) { 2734 policy.mPasswordOwner = newOwner; 2735 saveSettingsLocked(userHandle); 2736 } 2737 } 2738 } finally { 2739 Binder.restoreCallingIdentity(ident); 2740 } 2741 2742 return true; 2743 } 2744 2745 public void setMaximumTimeToLock(ComponentName who, long timeMs, int userHandle) { 2746 if (!mHasFeature) { 2747 return; 2748 } 2749 enforceCrossUserPermission(userHandle); 2750 synchronized (this) { 2751 if (who == null) { 2752 throw new NullPointerException("ComponentName is null"); 2753 } 2754 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2755 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2756 if (ap.maximumTimeToUnlock != timeMs) { 2757 ap.maximumTimeToUnlock = timeMs; 2758 saveSettingsLocked(userHandle); 2759 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2760 } 2761 } 2762 } 2763 2764 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2765 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2766 if (policy.mLastMaximumTimeToLock == timeMs) { 2767 return; 2768 } 2769 2770 long ident = Binder.clearCallingIdentity(); 2771 try { 2772 if (timeMs <= 0) { 2773 timeMs = Integer.MAX_VALUE; 2774 } else { 2775 // Make sure KEEP_SCREEN_ON is disabled, since that 2776 // would allow bypassing of the maximum time to lock. 2777 Settings.Global.putInt(mContext.getContentResolver(), 2778 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2779 } 2780 2781 policy.mLastMaximumTimeToLock = timeMs; 2782 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2783 } finally { 2784 Binder.restoreCallingIdentity(ident); 2785 } 2786 } 2787 2788 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2789 if (!mHasFeature) { 2790 return 0; 2791 } 2792 enforceCrossUserPermission(userHandle); 2793 synchronized (this) { 2794 long time = 0; 2795 2796 if (who != null) { 2797 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2798 return admin != null ? admin.maximumTimeToUnlock : time; 2799 } 2800 2801 // Return strictest policy for this user and profiles that are visible from this user. 2802 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2803 for (UserInfo userInfo : profiles) { 2804 DevicePolicyData policy = getUserData(userInfo.id); 2805 final int N = policy.mAdminList.size(); 2806 for (int i=0; i<N; i++) { 2807 ActiveAdmin admin = policy.mAdminList.get(i); 2808 if (time == 0) { 2809 time = admin.maximumTimeToUnlock; 2810 } else if (admin.maximumTimeToUnlock != 0 2811 && time > admin.maximumTimeToUnlock) { 2812 time = admin.maximumTimeToUnlock; 2813 } 2814 } 2815 } 2816 return time; 2817 } 2818 } 2819 2820 public void lockNow() { 2821 if (!mHasFeature) { 2822 return; 2823 } 2824 synchronized (this) { 2825 // This API can only be called by an active device admin, 2826 // so try to retrieve it to check that the caller is one. 2827 getActiveAdminForCallerLocked(null, 2828 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2829 lockNowUnchecked(); 2830 } 2831 } 2832 2833 private void lockNowUnchecked() { 2834 long ident = Binder.clearCallingIdentity(); 2835 try { 2836 // Power off the display 2837 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 2838 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 2839 // Ensure the device is locked 2840 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 2841 getWindowManager().lockNow(null); 2842 } catch (RemoteException e) { 2843 } finally { 2844 Binder.restoreCallingIdentity(ident); 2845 } 2846 } 2847 2848 private boolean isExtStorageEncrypted() { 2849 String state = SystemProperties.get("vold.decrypt"); 2850 return !"".equals(state); 2851 } 2852 2853 @Override 2854 public void enforceCanManageCaCerts(ComponentName who) { 2855 if (who == null) { 2856 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2857 } else { 2858 synchronized (this) { 2859 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2860 } 2861 } 2862 } 2863 2864 @Override 2865 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 2866 enforceCanManageCaCerts(admin); 2867 2868 byte[] pemCert; 2869 try { 2870 X509Certificate cert = parseCert(certBuffer); 2871 pemCert = Credentials.convertToPem(cert); 2872 } catch (CertificateException ce) { 2873 Log.e(LOG_TAG, "Problem converting cert", ce); 2874 return false; 2875 } catch (IOException ioe) { 2876 Log.e(LOG_TAG, "Problem reading cert", ioe); 2877 return false; 2878 } 2879 2880 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2881 final long id = Binder.clearCallingIdentity(); 2882 try { 2883 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2884 try { 2885 keyChainConnection.getService().installCaCertificate(pemCert); 2886 return true; 2887 } catch (RemoteException e) { 2888 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 2889 } finally { 2890 keyChainConnection.close(); 2891 } 2892 } catch (InterruptedException e1) { 2893 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 2894 Thread.currentThread().interrupt(); 2895 } finally { 2896 Binder.restoreCallingIdentity(id); 2897 } 2898 return false; 2899 } 2900 2901 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 2902 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 2903 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 2904 certBuffer)); 2905 } 2906 2907 @Override 2908 public void uninstallCaCert(ComponentName admin, String alias) { 2909 enforceCanManageCaCerts(admin); 2910 2911 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2912 final long id = Binder.clearCallingIdentity(); 2913 try { 2914 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2915 try { 2916 keyChainConnection.getService().deleteCaCertificate(alias); 2917 } catch (RemoteException e) { 2918 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 2919 } finally { 2920 keyChainConnection.close(); 2921 } 2922 } catch (InterruptedException ie) { 2923 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 2924 Thread.currentThread().interrupt(); 2925 } finally { 2926 Binder.restoreCallingIdentity(id); 2927 } 2928 } 2929 2930 @Override 2931 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 2932 if (who == null) { 2933 throw new NullPointerException("ComponentName is null"); 2934 } 2935 synchronized (this) { 2936 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2937 } 2938 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2939 final long id = Binder.clearCallingIdentity(); 2940 try { 2941 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2942 try { 2943 IKeyChainService keyChain = keyChainConnection.getService(); 2944 return keyChain.installKeyPair(privKey, cert, alias); 2945 } catch (RemoteException e) { 2946 Log.e(LOG_TAG, "Installing certificate", e); 2947 } finally { 2948 keyChainConnection.close(); 2949 } 2950 } catch (InterruptedException e) { 2951 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 2952 Thread.currentThread().interrupt(); 2953 } finally { 2954 Binder.restoreCallingIdentity(id); 2955 } 2956 return false; 2957 } 2958 2959 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 2960 // If the SD card is encrypted and non-removable, we have to force a wipe. 2961 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 2962 2963 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 2964 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 2965 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 2966 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 2967 intent.putExtra(Intent.EXTRA_REASON, reason); 2968 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 2969 mWakeLock.acquire(10000); 2970 mContext.startService(intent); 2971 } else { 2972 try { 2973 RecoverySystem.rebootWipeUserData(mContext, reason); 2974 } catch (IOException | SecurityException e) { 2975 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2976 } 2977 } 2978 } 2979 2980 @Override 2981 public void wipeData(int flags, final int userHandle) { 2982 if (!mHasFeature) { 2983 return; 2984 } 2985 enforceCrossUserPermission(userHandle); 2986 synchronized (this) { 2987 // This API can only be called by an active device admin, 2988 // so try to retrieve it to check that the caller is one. 2989 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 2990 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2991 2992 final String source; 2993 final ComponentName cname = admin.info.getComponent(); 2994 if (cname != null) { 2995 source = cname.flattenToShortString(); 2996 } else { 2997 source = admin.info.getPackageName(); 2998 } 2999 3000 long ident = Binder.clearCallingIdentity(); 3001 try { 3002 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3003 if (userHandle != UserHandle.USER_OWNER 3004 || !isDeviceOwner(admin.info.getPackageName())) { 3005 throw new SecurityException( 3006 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3007 } 3008 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3009 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3010 manager.wipe(); 3011 } 3012 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3013 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3014 "DevicePolicyManager.wipeData() from " + source); 3015 } finally { 3016 Binder.restoreCallingIdentity(ident); 3017 } 3018 } 3019 } 3020 3021 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3022 if (userHandle == UserHandle.USER_OWNER) { 3023 wipeDataLocked(wipeExtRequested, reason); 3024 } else { 3025 mHandler.post(new Runnable() { 3026 public void run() { 3027 try { 3028 ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER); 3029 if (!mUserManager.removeUser(userHandle)) { 3030 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3031 } 3032 } catch (RemoteException re) { 3033 // Shouldn't happen 3034 } 3035 } 3036 }); 3037 } 3038 } 3039 3040 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3041 if (!mHasFeature) { 3042 return; 3043 } 3044 enforceCrossUserPermission(userHandle); 3045 mContext.enforceCallingOrSelfPermission( 3046 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3047 3048 synchronized (this) { 3049 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3050 if (admin == null) { 3051 try { 3052 result.sendResult(null); 3053 } catch (RemoteException e) { 3054 } 3055 return; 3056 } 3057 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3058 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3059 intent.setComponent(admin.info.getComponent()); 3060 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3061 null, new BroadcastReceiver() { 3062 @Override 3063 public void onReceive(Context context, Intent intent) { 3064 try { 3065 result.sendResult(getResultExtras(false)); 3066 } catch (RemoteException e) { 3067 } 3068 } 3069 }, null, Activity.RESULT_OK, null, null); 3070 } 3071 } 3072 3073 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3074 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3075 if (!mHasFeature) { 3076 return; 3077 } 3078 enforceCrossUserPermission(userHandle); 3079 enforceNotManagedProfile(userHandle, "set the active password"); 3080 3081 mContext.enforceCallingOrSelfPermission( 3082 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3083 DevicePolicyData p = getUserData(userHandle); 3084 3085 validateQualityConstant(quality); 3086 3087 synchronized (this) { 3088 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3089 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3090 || p.mActivePasswordUpperCase != uppercase 3091 || p.mActivePasswordLowerCase != lowercase 3092 || p.mActivePasswordNumeric != numbers 3093 || p.mActivePasswordSymbols != symbols 3094 || p.mActivePasswordNonLetter != nonletter) { 3095 long ident = Binder.clearCallingIdentity(); 3096 try { 3097 p.mActivePasswordQuality = quality; 3098 p.mActivePasswordLength = length; 3099 p.mActivePasswordLetters = letters; 3100 p.mActivePasswordLowerCase = lowercase; 3101 p.mActivePasswordUpperCase = uppercase; 3102 p.mActivePasswordNumeric = numbers; 3103 p.mActivePasswordSymbols = symbols; 3104 p.mActivePasswordNonLetter = nonletter; 3105 p.mFailedPasswordAttempts = 0; 3106 saveSettingsLocked(userHandle); 3107 updatePasswordExpirationsLocked(userHandle); 3108 setExpirationAlarmCheckLocked(mContext, p); 3109 sendAdminCommandToSelfAndProfilesLocked( 3110 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3111 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3112 } finally { 3113 Binder.restoreCallingIdentity(ident); 3114 } 3115 } 3116 } 3117 } 3118 3119 /** 3120 * Called any time the device password is updated. Resets all password expiration clocks. 3121 */ 3122 private void updatePasswordExpirationsLocked(int userHandle) { 3123 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3124 for (UserInfo userInfo : profiles) { 3125 int profileId = userInfo.id; 3126 DevicePolicyData policy = getUserData(profileId); 3127 final int N = policy.mAdminList.size(); 3128 if (N > 0) { 3129 for (int i=0; i<N; i++) { 3130 ActiveAdmin admin = policy.mAdminList.get(i); 3131 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3132 long timeout = admin.passwordExpirationTimeout; 3133 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3134 admin.passwordExpirationDate = expiration; 3135 } 3136 } 3137 } 3138 saveSettingsLocked(profileId); 3139 } 3140 } 3141 3142 public void reportFailedPasswordAttempt(int userHandle) { 3143 enforceCrossUserPermission(userHandle); 3144 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3145 mContext.enforceCallingOrSelfPermission( 3146 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3147 3148 long ident = Binder.clearCallingIdentity(); 3149 try { 3150 boolean wipeData = false; 3151 int identifier = 0; 3152 synchronized (this) { 3153 DevicePolicyData policy = getUserData(userHandle); 3154 policy.mFailedPasswordAttempts++; 3155 saveSettingsLocked(userHandle); 3156 if (mHasFeature) { 3157 ActiveAdmin strictestAdmin = 3158 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3159 int max = strictestAdmin != null 3160 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3161 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3162 // Wipe the user/profile associated with the policy that was violated. This 3163 // is not necessarily calling user: if the policy that fired was from a 3164 // managed profile rather than the main user profile, we wipe former only. 3165 wipeData = true; 3166 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3167 } 3168 sendAdminCommandToSelfAndProfilesLocked( 3169 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3170 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3171 } 3172 } 3173 if (wipeData) { 3174 // Call without holding lock. 3175 wipeDeviceOrUserLocked(false, identifier, 3176 "reportFailedPasswordAttempt()"); 3177 } 3178 } finally { 3179 Binder.restoreCallingIdentity(ident); 3180 } 3181 } 3182 3183 public void reportSuccessfulPasswordAttempt(int userHandle) { 3184 enforceCrossUserPermission(userHandle); 3185 mContext.enforceCallingOrSelfPermission( 3186 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3187 3188 synchronized (this) { 3189 DevicePolicyData policy = getUserData(userHandle); 3190 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3191 long ident = Binder.clearCallingIdentity(); 3192 try { 3193 policy.mFailedPasswordAttempts = 0; 3194 policy.mPasswordOwner = -1; 3195 saveSettingsLocked(userHandle); 3196 if (mHasFeature) { 3197 sendAdminCommandToSelfAndProfilesLocked( 3198 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3199 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3200 } 3201 } finally { 3202 Binder.restoreCallingIdentity(ident); 3203 } 3204 } 3205 } 3206 } 3207 3208 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3209 String exclusionList, int userHandle) { 3210 if (!mHasFeature) { 3211 return null; 3212 } 3213 enforceCrossUserPermission(userHandle); 3214 synchronized(this) { 3215 if (who == null) { 3216 throw new NullPointerException("ComponentName is null"); 3217 } 3218 3219 // Only check if owner has set global proxy. We don't allow other users to set it. 3220 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3221 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3222 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3223 3224 // Scan through active admins and find if anyone has already 3225 // set the global proxy. 3226 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3227 for (ComponentName component : compSet) { 3228 ActiveAdmin ap = policy.mAdminMap.get(component); 3229 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3230 // Another admin already sets the global proxy 3231 // Return it to the caller. 3232 return component; 3233 } 3234 } 3235 3236 // If the user is not the owner, don't set the global proxy. Fail silently. 3237 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3238 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3239 + userHandle + " is not permitted."); 3240 return null; 3241 } 3242 if (proxySpec == null) { 3243 admin.specifiesGlobalProxy = false; 3244 admin.globalProxySpec = null; 3245 admin.globalProxyExclusionList = null; 3246 } else { 3247 3248 admin.specifiesGlobalProxy = true; 3249 admin.globalProxySpec = proxySpec; 3250 admin.globalProxyExclusionList = exclusionList; 3251 } 3252 3253 // Reset the global proxy accordingly 3254 // Do this using system permissions, as apps cannot write to secure settings 3255 long origId = Binder.clearCallingIdentity(); 3256 try { 3257 resetGlobalProxyLocked(policy); 3258 } finally { 3259 Binder.restoreCallingIdentity(origId); 3260 } 3261 return null; 3262 } 3263 } 3264 3265 public ComponentName getGlobalProxyAdmin(int userHandle) { 3266 if (!mHasFeature) { 3267 return null; 3268 } 3269 enforceCrossUserPermission(userHandle); 3270 synchronized(this) { 3271 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3272 // Scan through active admins and find if anyone has already 3273 // set the global proxy. 3274 final int N = policy.mAdminList.size(); 3275 for (int i = 0; i < N; i++) { 3276 ActiveAdmin ap = policy.mAdminList.get(i); 3277 if (ap.specifiesGlobalProxy) { 3278 // Device admin sets the global proxy 3279 // Return it to the caller. 3280 return ap.info.getComponent(); 3281 } 3282 } 3283 } 3284 // No device admin sets the global proxy. 3285 return null; 3286 } 3287 3288 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3289 synchronized (this) { 3290 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3291 } 3292 long token = Binder.clearCallingIdentity(); 3293 try { 3294 ConnectivityManager connectivityManager = (ConnectivityManager) 3295 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3296 connectivityManager.setGlobalProxy(proxyInfo); 3297 } finally { 3298 Binder.restoreCallingIdentity(token); 3299 } 3300 } 3301 3302 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3303 final int N = policy.mAdminList.size(); 3304 for (int i = 0; i < N; i++) { 3305 ActiveAdmin ap = policy.mAdminList.get(i); 3306 if (ap.specifiesGlobalProxy) { 3307 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3308 return; 3309 } 3310 } 3311 // No device admins defining global proxies - reset global proxy settings to none 3312 saveGlobalProxyLocked(null, null); 3313 } 3314 3315 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3316 if (exclusionList == null) { 3317 exclusionList = ""; 3318 } 3319 if (proxySpec == null) { 3320 proxySpec = ""; 3321 } 3322 // Remove white spaces 3323 proxySpec = proxySpec.trim(); 3324 String data[] = proxySpec.split(":"); 3325 int proxyPort = 8080; 3326 if (data.length > 1) { 3327 try { 3328 proxyPort = Integer.parseInt(data[1]); 3329 } catch (NumberFormatException e) {} 3330 } 3331 exclusionList = exclusionList.trim(); 3332 ContentResolver res = mContext.getContentResolver(); 3333 3334 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3335 if (!proxyProperties.isValid()) { 3336 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3337 return; 3338 } 3339 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3340 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3341 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3342 exclusionList); 3343 } 3344 3345 /** 3346 * Set the storage encryption request for a single admin. Returns the new total request 3347 * status (for all admins). 3348 */ 3349 public int setStorageEncryption(ComponentName who, boolean encrypt, int userHandle) { 3350 if (!mHasFeature) { 3351 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3352 } 3353 enforceCrossUserPermission(userHandle); 3354 synchronized (this) { 3355 // Check for permissions 3356 if (who == null) { 3357 throw new NullPointerException("ComponentName is null"); 3358 } 3359 // Only owner can set storage encryption 3360 if (userHandle != UserHandle.USER_OWNER 3361 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3362 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3363 + UserHandle.getCallingUserId() + " is not permitted."); 3364 return 0; 3365 } 3366 3367 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3368 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3369 3370 // Quick exit: If the filesystem does not support encryption, we can exit early. 3371 if (!isEncryptionSupported()) { 3372 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3373 } 3374 3375 // (1) Record the value for the admin so it's sticky 3376 if (ap.encryptionRequested != encrypt) { 3377 ap.encryptionRequested = encrypt; 3378 saveSettingsLocked(userHandle); 3379 } 3380 3381 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3382 // (2) Compute "max" for all admins 3383 boolean newRequested = false; 3384 final int N = policy.mAdminList.size(); 3385 for (int i = 0; i < N; i++) { 3386 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3387 } 3388 3389 // Notify OS of new request 3390 setEncryptionRequested(newRequested); 3391 3392 // Return the new global request status 3393 return newRequested 3394 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3395 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3396 } 3397 } 3398 3399 /** 3400 * Get the current storage encryption request status for a given admin, or aggregate of all 3401 * active admins. 3402 */ 3403 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3404 if (!mHasFeature) { 3405 return false; 3406 } 3407 enforceCrossUserPermission(userHandle); 3408 synchronized (this) { 3409 // Check for permissions if a particular caller is specified 3410 if (who != null) { 3411 // When checking for a single caller, status is based on caller's request 3412 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3413 return ap != null ? ap.encryptionRequested : false; 3414 } 3415 3416 // If no particular caller is specified, return the aggregate set of requests. 3417 // This is short circuited by returning true on the first hit. 3418 DevicePolicyData policy = getUserData(userHandle); 3419 final int N = policy.mAdminList.size(); 3420 for (int i = 0; i < N; i++) { 3421 if (policy.mAdminList.get(i).encryptionRequested) { 3422 return true; 3423 } 3424 } 3425 return false; 3426 } 3427 } 3428 3429 /** 3430 * Get the current encryption status of the device. 3431 */ 3432 public int getStorageEncryptionStatus(int userHandle) { 3433 if (!mHasFeature) { 3434 // Ok to return current status. 3435 } 3436 enforceCrossUserPermission(userHandle); 3437 return getEncryptionStatus(); 3438 } 3439 3440 /** 3441 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3442 */ 3443 private boolean isEncryptionSupported() { 3444 // Note, this can be implemented as 3445 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3446 // But is provided as a separate internal method if there's a faster way to do a 3447 // simple check for supported-or-not. 3448 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3449 } 3450 3451 /** 3452 * Hook to low-levels: Reporting the current status of encryption. 3453 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED} or 3454 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE} or 3455 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3456 */ 3457 private int getEncryptionStatus() { 3458 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3459 if ("encrypted".equalsIgnoreCase(status)) { 3460 final long token = Binder.clearCallingIdentity(); 3461 try { 3462 return LockPatternUtils.isDeviceEncrypted() 3463 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3464 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3465 } finally { 3466 Binder.restoreCallingIdentity(token); 3467 } 3468 } else if ("unencrypted".equalsIgnoreCase(status)) { 3469 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3470 } else { 3471 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3472 } 3473 } 3474 3475 /** 3476 * Hook to low-levels: If needed, record the new admin setting for encryption. 3477 */ 3478 private void setEncryptionRequested(boolean encrypt) { 3479 } 3480 3481 3482 /** 3483 * Set whether the screen capture is disabled for the user managed by the specified admin. 3484 */ 3485 public void setScreenCaptureDisabled(ComponentName who, int userHandle, boolean disabled) { 3486 if (!mHasFeature) { 3487 return; 3488 } 3489 enforceCrossUserPermission(userHandle); 3490 synchronized (this) { 3491 if (who == null) { 3492 throw new NullPointerException("ComponentName is null"); 3493 } 3494 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3495 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3496 if (ap.disableScreenCapture != disabled) { 3497 ap.disableScreenCapture = disabled; 3498 saveSettingsLocked(userHandle); 3499 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3500 } 3501 } 3502 } 3503 3504 /** 3505 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3506 * active admin (if given admin is null). 3507 */ 3508 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3509 if (!mHasFeature) { 3510 return false; 3511 } 3512 synchronized (this) { 3513 if (who != null) { 3514 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3515 return (admin != null) ? admin.disableScreenCapture : false; 3516 } 3517 3518 DevicePolicyData policy = getUserData(userHandle); 3519 final int N = policy.mAdminList.size(); 3520 for (int i = 0; i < N; i++) { 3521 ActiveAdmin admin = policy.mAdminList.get(i); 3522 if (admin.disableScreenCapture) { 3523 return true; 3524 } 3525 } 3526 return false; 3527 } 3528 } 3529 3530 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3531 long ident = Binder.clearCallingIdentity(); 3532 try { 3533 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3534 } catch (RemoteException e) { 3535 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3536 } finally { 3537 Binder.restoreCallingIdentity(ident); 3538 } 3539 } 3540 3541 /** 3542 * Set whether auto time is required by the specified admin (must be device owner). 3543 */ 3544 public void setAutoTimeRequired(ComponentName who, int userHandle, boolean required) { 3545 if (!mHasFeature) { 3546 return; 3547 } 3548 enforceCrossUserPermission(userHandle); 3549 synchronized (this) { 3550 if (who == null) { 3551 throw new NullPointerException("ComponentName is null"); 3552 } 3553 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3554 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3555 if (admin.requireAutoTime != required) { 3556 admin.requireAutoTime = required; 3557 saveSettingsLocked(userHandle); 3558 } 3559 } 3560 3561 // Turn AUTO_TIME on in settings if it is required 3562 if (required) { 3563 long ident = Binder.clearCallingIdentity(); 3564 try { 3565 Settings.Global.putInt(mContext.getContentResolver(), 3566 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3567 } finally { 3568 Binder.restoreCallingIdentity(ident); 3569 } 3570 } 3571 } 3572 3573 /** 3574 * Returns whether or not auto time is required by the device owner. 3575 */ 3576 public boolean getAutoTimeRequired() { 3577 if (!mHasFeature) { 3578 return false; 3579 } 3580 synchronized (this) { 3581 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3582 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3583 } 3584 } 3585 3586 /** 3587 * The system property used to share the state of the camera. The native camera service 3588 * is expected to read this property and act accordingly. 3589 */ 3590 public static final String SYSTEM_PROP_DISABLE_CAMERA = "sys.secpolicy.camera.disabled"; 3591 3592 /** 3593 * Disables all device cameras according to the specified admin. 3594 */ 3595 public void setCameraDisabled(ComponentName who, boolean disabled, int userHandle) { 3596 if (!mHasFeature) { 3597 return; 3598 } 3599 enforceCrossUserPermission(userHandle); 3600 synchronized (this) { 3601 if (who == null) { 3602 throw new NullPointerException("ComponentName is null"); 3603 } 3604 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3605 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3606 if (ap.disableCamera != disabled) { 3607 ap.disableCamera = disabled; 3608 saveSettingsLocked(userHandle); 3609 } 3610 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3611 } 3612 } 3613 3614 /** 3615 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3616 * active admins. 3617 */ 3618 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3619 if (!mHasFeature) { 3620 return false; 3621 } 3622 synchronized (this) { 3623 if (who != null) { 3624 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3625 return (admin != null) ? admin.disableCamera : false; 3626 } 3627 3628 DevicePolicyData policy = getUserData(userHandle); 3629 // Determine whether or not the device camera is disabled for any active admins. 3630 final int N = policy.mAdminList.size(); 3631 for (int i = 0; i < N; i++) { 3632 ActiveAdmin admin = policy.mAdminList.get(i); 3633 if (admin.disableCamera) { 3634 return true; 3635 } 3636 } 3637 return false; 3638 } 3639 } 3640 3641 /** 3642 * Selectively disable keyguard features. 3643 */ 3644 public void setKeyguardDisabledFeatures(ComponentName who, int which, int userHandle) { 3645 if (!mHasFeature) { 3646 return; 3647 } 3648 enforceCrossUserPermission(userHandle); 3649 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3650 synchronized (this) { 3651 if (who == null) { 3652 throw new NullPointerException("ComponentName is null"); 3653 } 3654 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3655 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3656 if (ap.disabledKeyguardFeatures != which) { 3657 ap.disabledKeyguardFeatures = which; 3658 saveSettingsLocked(userHandle); 3659 } 3660 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3661 } 3662 } 3663 3664 /** 3665 * Gets the disabled state for features in keyguard for the given admin, 3666 * or the aggregate of all active admins if who is null. 3667 */ 3668 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3669 if (!mHasFeature) { 3670 return 0; 3671 } 3672 enforceCrossUserPermission(userHandle); 3673 synchronized (this) { 3674 if (who != null) { 3675 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3676 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3677 } 3678 3679 // Determine which keyguard features are disabled for any active admins. 3680 DevicePolicyData policy = getUserData(userHandle); 3681 final int N = policy.mAdminList.size(); 3682 int which = 0; 3683 for (int i = 0; i < N; i++) { 3684 ActiveAdmin admin = policy.mAdminList.get(i); 3685 which |= admin.disabledKeyguardFeatures; 3686 } 3687 return which; 3688 } 3689 } 3690 3691 @Override 3692 public boolean setDeviceOwner(String packageName, String ownerName) { 3693 if (!mHasFeature) { 3694 return false; 3695 } 3696 if (packageName == null 3697 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3698 throw new IllegalArgumentException("Invalid package name " + packageName 3699 + " for device owner"); 3700 } 3701 synchronized (this) { 3702 if (!allowedToSetDeviceOwnerOnDevice()) { 3703 throw new IllegalStateException( 3704 "Trying to set device owner but device is already provisioned."); 3705 } 3706 3707 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3708 throw new IllegalStateException( 3709 "Trying to set device owner but device owner is already set."); 3710 } 3711 3712 // Shutting down backup manager service permanently. 3713 long ident = Binder.clearCallingIdentity(); 3714 try { 3715 IBackupManager ibm = IBackupManager.Stub.asInterface( 3716 ServiceManager.getService(Context.BACKUP_SERVICE)); 3717 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 3718 } catch (RemoteException e) { 3719 throw new IllegalStateException("Failed deactivating backup service.", e); 3720 } finally { 3721 Binder.restoreCallingIdentity(ident); 3722 } 3723 3724 if (mDeviceOwner == null) { 3725 // Device owner is not set and does not exist, set it. 3726 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3727 mDeviceOwner.writeOwnerFile(); 3728 return true; 3729 } else { 3730 // Device owner is not set but a profile owner exists, update Device owner state. 3731 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3732 mDeviceOwner.writeOwnerFile(); 3733 return true; 3734 } 3735 } 3736 } 3737 3738 @Override 3739 public boolean isDeviceOwner(String packageName) { 3740 if (!mHasFeature) { 3741 return false; 3742 } 3743 synchronized (this) { 3744 return mDeviceOwner != null 3745 && mDeviceOwner.hasDeviceOwner() 3746 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 3747 } 3748 } 3749 3750 @Override 3751 public String getDeviceOwner() { 3752 if (!mHasFeature) { 3753 return null; 3754 } 3755 synchronized (this) { 3756 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3757 return mDeviceOwner.getDeviceOwnerPackageName(); 3758 } 3759 } 3760 return null; 3761 } 3762 3763 @Override 3764 public String getDeviceOwnerName() { 3765 if (!mHasFeature) { 3766 return null; 3767 } 3768 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3769 synchronized (this) { 3770 if (mDeviceOwner != null) { 3771 return mDeviceOwner.getDeviceOwnerName(); 3772 } 3773 } 3774 return null; 3775 } 3776 3777 // Returns the active device owner or null if there is no device owner. 3778 private ActiveAdmin getDeviceOwnerAdmin() { 3779 String deviceOwnerPackageName = getDeviceOwner(); 3780 if (deviceOwnerPackageName == null) { 3781 return null; 3782 } 3783 3784 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3785 final int n = policy.mAdminList.size(); 3786 for (int i = 0; i < n; i++) { 3787 ActiveAdmin admin = policy.mAdminList.get(i); 3788 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 3789 return admin; 3790 } 3791 } 3792 return null; 3793 } 3794 3795 @Override 3796 public void clearDeviceOwner(String packageName) { 3797 if (packageName == null) { 3798 throw new NullPointerException("packageName is null"); 3799 } 3800 try { 3801 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 3802 if (uid != Binder.getCallingUid()) { 3803 throw new SecurityException("Invalid packageName"); 3804 } 3805 } catch (NameNotFoundException e) { 3806 throw new SecurityException(e); 3807 } 3808 if (!isDeviceOwner(packageName)) { 3809 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 3810 } 3811 synchronized (this) { 3812 long ident = Binder.clearCallingIdentity(); 3813 try { 3814 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 3815 if (mDeviceOwner != null) { 3816 mDeviceOwner.clearDeviceOwner(); 3817 mDeviceOwner.writeOwnerFile(); 3818 } 3819 } finally { 3820 Binder.restoreCallingIdentity(ident); 3821 } 3822 } 3823 } 3824 3825 @Override 3826 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 3827 if (!mHasFeature) { 3828 return false; 3829 } 3830 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3831 3832 UserInfo info = mUserManager.getUserInfo(userHandle); 3833 if (info == null) { 3834 // User doesn't exist. 3835 throw new IllegalArgumentException( 3836 "Attempted to set profile owner for invalid userId: " + userHandle); 3837 } 3838 if (info.isGuest()) { 3839 throw new IllegalStateException("Cannot set a profile owner on a guest"); 3840 } 3841 3842 if (who == null 3843 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 3844 throw new IllegalArgumentException("Component " + who 3845 + " not installed for userId:" + userHandle); 3846 } 3847 synchronized (this) { 3848 // Only SYSTEM_UID can override the userSetupComplete 3849 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 3850 && hasUserSetupCompleted(userHandle)) { 3851 throw new IllegalStateException( 3852 "Trying to set profile owner but user is already set-up."); 3853 } 3854 3855 if (mDeviceOwner == null) { 3856 // Device owner state does not exist, create it. 3857 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 3858 userHandle); 3859 mDeviceOwner.writeOwnerFile(); 3860 return true; 3861 } else { 3862 // Device owner already exists, update it. 3863 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 3864 mDeviceOwner.writeOwnerFile(); 3865 return true; 3866 } 3867 } 3868 } 3869 3870 @Override 3871 public void clearProfileOwner(ComponentName who) { 3872 if (!mHasFeature) { 3873 return; 3874 } 3875 UserHandle callingUser = Binder.getCallingUserHandle(); 3876 // Check if this is the profile owner who is calling 3877 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3878 synchronized (this) { 3879 long ident = Binder.clearCallingIdentity(); 3880 try { 3881 clearUserRestrictions(callingUser); 3882 if (mDeviceOwner != null) { 3883 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 3884 mDeviceOwner.writeOwnerFile(); 3885 } 3886 } finally { 3887 Binder.restoreCallingIdentity(ident); 3888 } 3889 } 3890 } 3891 3892 private void clearUserRestrictions(UserHandle userHandle) { 3893 AudioManager audioManager = 3894 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 3895 Bundle userRestrictions = mUserManager.getUserRestrictions(); 3896 mUserManager.setUserRestrictions(new Bundle(), userHandle); 3897 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 3898 audioManager.setMasterMute(false); 3899 } 3900 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 3901 audioManager.setMicrophoneMute(false); 3902 } 3903 } 3904 3905 @Override 3906 public boolean hasUserSetupCompleted() { 3907 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 3908 } 3909 3910 private boolean hasUserSetupCompleted(int userHandle) { 3911 if (!mHasFeature) { 3912 return true; 3913 } 3914 DevicePolicyData policy = getUserData(userHandle); 3915 // If policy is null, return true, else check if the setup has completed. 3916 return policy == null || policy.mUserSetupComplete; 3917 } 3918 3919 @Override 3920 public void setProfileEnabled(ComponentName who) { 3921 if (!mHasFeature) { 3922 return; 3923 } 3924 final int userHandle = UserHandle.getCallingUserId(); 3925 synchronized (this) { 3926 // Check for permissions 3927 if (who == null) { 3928 throw new NullPointerException("ComponentName is null"); 3929 } 3930 // Check if this is the profile owner who is calling 3931 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3932 int userId = UserHandle.getCallingUserId(); 3933 3934 long id = Binder.clearCallingIdentity(); 3935 try { 3936 mUserManager.setUserEnabled(userId); 3937 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 3938 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 3939 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 3940 Intent.FLAG_RECEIVER_FOREGROUND); 3941 // TODO This should send to parent of profile (which is always owner at the moment). 3942 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 3943 } finally { 3944 restoreCallingIdentity(id); 3945 } 3946 } 3947 } 3948 3949 @Override 3950 public void setProfileName(ComponentName who, String profileName) { 3951 int userId = UserHandle.getCallingUserId(); 3952 3953 if (who == null) { 3954 throw new NullPointerException("ComponentName is null"); 3955 } 3956 3957 // Check if this is the profile owner (includes device owner). 3958 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3959 3960 long id = Binder.clearCallingIdentity(); 3961 try { 3962 mUserManager.setUserName(userId, profileName); 3963 } finally { 3964 restoreCallingIdentity(id); 3965 } 3966 } 3967 3968 @Override 3969 public ComponentName getProfileOwner(int userHandle) { 3970 if (!mHasFeature) { 3971 return null; 3972 } 3973 3974 synchronized (this) { 3975 if (mDeviceOwner != null) { 3976 return mDeviceOwner.getProfileOwnerComponent(userHandle); 3977 } 3978 } 3979 return null; 3980 } 3981 3982 // Returns the active profile owner for this user or null if the current user has no 3983 // profile owner. 3984 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 3985 ComponentName profileOwner = 3986 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 3987 if (profileOwner == null) { 3988 return null; 3989 } 3990 3991 DevicePolicyData policy = getUserData(userHandle); 3992 final int n = policy.mAdminList.size(); 3993 for (int i = 0; i < n; i++) { 3994 ActiveAdmin admin = policy.mAdminList.get(i); 3995 if (profileOwner.equals(admin.info.getComponent())) { 3996 return admin; 3997 } 3998 } 3999 return null; 4000 } 4001 4002 @Override 4003 public String getProfileOwnerName(int userHandle) { 4004 if (!mHasFeature) { 4005 return null; 4006 } 4007 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4008 4009 synchronized (this) { 4010 if (mDeviceOwner != null) { 4011 return mDeviceOwner.getProfileOwnerName(userHandle); 4012 } 4013 } 4014 return null; 4015 } 4016 4017 /** 4018 * Device owner can only be set on an unprovisioned device, unless it was initiated by "adb", in 4019 * which case we allow it if no account is associated with the device. 4020 */ 4021 private boolean allowedToSetDeviceOwnerOnDevice() { 4022 int callingId = Binder.getCallingUid(); 4023 if (callingId == Process.SHELL_UID || callingId == Process.ROOT_UID) { 4024 return AccountManager.get(mContext).getAccounts().length == 0; 4025 } else { 4026 return !hasUserSetupCompleted(UserHandle.USER_OWNER); 4027 } 4028 } 4029 4030 private void enforceCrossUserPermission(int userHandle) { 4031 if (userHandle < 0) { 4032 throw new IllegalArgumentException("Invalid userId " + userHandle); 4033 } 4034 final int callingUid = Binder.getCallingUid(); 4035 if (userHandle == UserHandle.getUserId(callingUid)) return; 4036 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4037 mContext.enforceCallingOrSelfPermission( 4038 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4039 + " INTERACT_ACROSS_USERS_FULL permission"); 4040 } 4041 } 4042 4043 private void enforceSystemProcess(String message) { 4044 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4045 throw new SecurityException(message); 4046 } 4047 } 4048 4049 private void enforceNotManagedProfile(int userHandle, String message) { 4050 if(isManagedProfile(userHandle)) { 4051 throw new SecurityException("You can not " + message + " for a managed profile. "); 4052 } 4053 } 4054 4055 private UserInfo getProfileParent(int userHandle) { 4056 long ident = Binder.clearCallingIdentity(); 4057 try { 4058 return mUserManager.getProfileParent(userHandle); 4059 } finally { 4060 Binder.restoreCallingIdentity(ident); 4061 } 4062 } 4063 4064 private boolean isManagedProfile(int userHandle) { 4065 long ident = Binder.clearCallingIdentity(); 4066 try { 4067 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4068 } finally { 4069 Binder.restoreCallingIdentity(ident); 4070 } 4071 } 4072 4073 private void enableIfNecessary(String packageName, int userId) { 4074 try { 4075 IPackageManager ipm = AppGlobals.getPackageManager(); 4076 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4077 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4078 userId); 4079 if (ai.enabledSetting 4080 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4081 ipm.setApplicationEnabledSetting(packageName, 4082 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4083 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4084 } 4085 } catch (RemoteException e) { 4086 } 4087 } 4088 4089 @Override 4090 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4091 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4092 != PackageManager.PERMISSION_GRANTED) { 4093 4094 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4095 + Binder.getCallingPid() 4096 + ", uid=" + Binder.getCallingUid()); 4097 return; 4098 } 4099 4100 final Printer p = new PrintWriterPrinter(pw); 4101 4102 synchronized (this) { 4103 p.println("Current Device Policy Manager state:"); 4104 4105 int userCount = mUserData.size(); 4106 for (int u = 0; u < userCount; u++) { 4107 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4108 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4109 final int N = policy.mAdminList.size(); 4110 for (int i=0; i<N; i++) { 4111 ActiveAdmin ap = policy.mAdminList.get(i); 4112 if (ap != null) { 4113 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4114 pw.println(":"); 4115 ap.dump(" ", pw); 4116 } 4117 } 4118 if (!policy.mRemovingAdmins.isEmpty()) { 4119 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4120 + policy.mRemovingAdmins); 4121 } 4122 4123 pw.println(" "); 4124 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4125 } 4126 } 4127 } 4128 4129 @Override 4130 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4131 ComponentName activity) { 4132 final int userHandle = UserHandle.getCallingUserId(); 4133 4134 synchronized (this) { 4135 if (who == null) { 4136 throw new NullPointerException("ComponentName is null"); 4137 } 4138 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4139 4140 IPackageManager pm = AppGlobals.getPackageManager(); 4141 long id = Binder.clearCallingIdentity(); 4142 try { 4143 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4144 } catch (RemoteException re) { 4145 // Shouldn't happen 4146 } finally { 4147 restoreCallingIdentity(id); 4148 } 4149 } 4150 } 4151 4152 @Override 4153 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4154 final int userHandle = UserHandle.getCallingUserId(); 4155 4156 synchronized (this) { 4157 if (who == null) { 4158 throw new NullPointerException("ComponentName is null"); 4159 } 4160 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4161 4162 IPackageManager pm = AppGlobals.getPackageManager(); 4163 long id = Binder.clearCallingIdentity(); 4164 try { 4165 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4166 } catch (RemoteException re) { 4167 // Shouldn't happen 4168 } finally { 4169 restoreCallingIdentity(id); 4170 } 4171 } 4172 } 4173 4174 @Override 4175 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4176 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4177 4178 synchronized (this) { 4179 if (who == null) { 4180 throw new NullPointerException("ComponentName is null"); 4181 } 4182 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4183 4184 long id = Binder.clearCallingIdentity(); 4185 try { 4186 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4187 } finally { 4188 restoreCallingIdentity(id); 4189 } 4190 } 4191 } 4192 4193 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4194 PersistableBundle args, int userHandle) { 4195 if (!mHasFeature) { 4196 return; 4197 } 4198 enforceCrossUserPermission(userHandle); 4199 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4200 synchronized (this) { 4201 if (admin == null) { 4202 throw new NullPointerException("admin is null"); 4203 } 4204 if (agent == null) { 4205 throw new NullPointerException("agent is null"); 4206 } 4207 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4208 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4209 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4210 saveSettingsLocked(userHandle); 4211 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4212 } 4213 } 4214 4215 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4216 ComponentName agent, int userHandle) { 4217 if (!mHasFeature) { 4218 return null; 4219 } 4220 enforceCrossUserPermission(userHandle); 4221 if (agent == null) { 4222 throw new NullPointerException("agent is null"); 4223 } 4224 4225 synchronized (this) { 4226 final String componentName = agent.flattenToString(); 4227 if (admin != null) { 4228 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4229 if (ap == null) return null; 4230 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4231 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4232 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4233 result.add(trustAgentInfo.options); 4234 return result; 4235 } 4236 4237 // Return strictest policy for this user and profiles that are visible from this user. 4238 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4239 List<PersistableBundle> result = null; 4240 4241 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4242 // of the options. If any admin doesn't have options, discard options for the rest 4243 // and return null. 4244 boolean allAdminsHaveOptions = true; 4245 for (UserInfo userInfo : profiles) { 4246 DevicePolicyData policy = getUserData(userInfo.id); 4247 final int N = policy.mAdminList.size(); 4248 for (int i=0; i < N; i++) { 4249 final ActiveAdmin active = policy.mAdminList.get(i); 4250 final boolean disablesTrust = (active.disabledKeyguardFeatures 4251 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4252 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4253 if (info != null && info.options != null && !info.options.isEmpty()) { 4254 if (disablesTrust) { 4255 if (result == null) { 4256 result = new ArrayList<PersistableBundle>(); 4257 } 4258 result.add(info.options); 4259 } else { 4260 Log.w(LOG_TAG, "Ignoring admin " + active.info 4261 + " because it has trust options but doesn't declare " 4262 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4263 } 4264 } else if (disablesTrust) { 4265 allAdminsHaveOptions = false; 4266 break; 4267 } 4268 } 4269 } 4270 return allAdminsHaveOptions ? result : null; 4271 } 4272 } 4273 4274 @Override 4275 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4276 synchronized (this) { 4277 if (who == null) { 4278 throw new NullPointerException("ComponentName is null"); 4279 } 4280 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4281 4282 int userHandle = UserHandle.getCallingUserId(); 4283 DevicePolicyData userData = getUserData(userHandle); 4284 userData.mRestrictionsProvider = permissionProvider; 4285 saveSettingsLocked(userHandle); 4286 } 4287 } 4288 4289 @Override 4290 public ComponentName getRestrictionsProvider(int userHandle) { 4291 synchronized (this) { 4292 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4293 throw new SecurityException("Only the system can query the permission provider"); 4294 } 4295 DevicePolicyData userData = getUserData(userHandle); 4296 return userData != null ? userData.mRestrictionsProvider : null; 4297 } 4298 } 4299 4300 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4301 int callingUserId = UserHandle.getCallingUserId(); 4302 synchronized (this) { 4303 if (who == null) { 4304 throw new NullPointerException("ComponentName is null"); 4305 } 4306 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4307 4308 IPackageManager pm = AppGlobals.getPackageManager(); 4309 long id = Binder.clearCallingIdentity(); 4310 try { 4311 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4312 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4313 mContext.getUserId(), callingUserId, UserHandle.USER_OWNER, 0); 4314 } 4315 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4316 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4317 mContext.getUserId(), UserHandle.USER_OWNER, callingUserId, 0); 4318 } 4319 } catch (RemoteException re) { 4320 // Shouldn't happen 4321 } finally { 4322 restoreCallingIdentity(id); 4323 } 4324 } 4325 } 4326 4327 public void clearCrossProfileIntentFilters(ComponentName who) { 4328 int callingUserId = UserHandle.getCallingUserId(); 4329 synchronized (this) { 4330 if (who == null) { 4331 throw new NullPointerException("ComponentName is null"); 4332 } 4333 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4334 IPackageManager pm = AppGlobals.getPackageManager(); 4335 long id = Binder.clearCallingIdentity(); 4336 try { 4337 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName(), 4338 callingUserId); 4339 // If we want to support multiple managed profiles, we will have to only remove 4340 // those that have callingUserId as their target. 4341 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName(), 4342 callingUserId); 4343 } catch (RemoteException re) { 4344 // Shouldn't happen 4345 } finally { 4346 restoreCallingIdentity(id); 4347 } 4348 } 4349 } 4350 4351 /** 4352 * @return true if all packages in enabledPackages are either in the list 4353 * permittedList or are a system app. 4354 */ 4355 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4356 List<String> permittedList) { 4357 int userIdToCheck = UserHandle.getCallingUserId(); 4358 long id = Binder.clearCallingIdentity(); 4359 try { 4360 // If we have an enabled packages list for a managed profile the packages 4361 // we should check are installed for the parent user. 4362 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4363 if (user.isManagedProfile()) { 4364 userIdToCheck = user.profileGroupId; 4365 } 4366 4367 IPackageManager pm = AppGlobals.getPackageManager(); 4368 for (String enabledPackage : enabledPackages) { 4369 boolean systemService = false; 4370 try { 4371 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4372 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4373 systemService = (applicationInfo.flags 4374 & ApplicationInfo.FLAG_SYSTEM) != 0; 4375 } catch (RemoteException e) { 4376 Log.i(LOG_TAG, "Can't talk to package managed", e); 4377 } 4378 if (!systemService && !permittedList.contains(enabledPackage)) { 4379 return false; 4380 } 4381 } 4382 } finally { 4383 restoreCallingIdentity(id); 4384 } 4385 return true; 4386 } 4387 4388 private AccessibilityManager getAccessibilityManagerForUser(int userId) { 4389 // Not using AccessibilityManager.getInstance because that guesses 4390 // at the user you require based on callingUid and caches for a given 4391 // process. 4392 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE); 4393 IAccessibilityManager service = iBinder == null 4394 ? null : IAccessibilityManager.Stub.asInterface(iBinder); 4395 return new AccessibilityManager(mContext, service, userId); 4396 } 4397 4398 @Override 4399 public boolean setPermittedAccessibilityServices(ComponentName who, List packageList) { 4400 if (!mHasFeature) { 4401 return false; 4402 } 4403 if (who == null) { 4404 throw new NullPointerException("ComponentName is null"); 4405 } 4406 4407 if (packageList != null) { 4408 int userId = UserHandle.getCallingUserId(); 4409 List<AccessibilityServiceInfo> enabledServices = null; 4410 long id = Binder.clearCallingIdentity(); 4411 try { 4412 UserInfo user = mUserManager.getUserInfo(userId); 4413 if (user.isManagedProfile()) { 4414 userId = user.profileGroupId; 4415 } 4416 AccessibilityManager accessibilityManager = getAccessibilityManagerForUser(userId); 4417 enabledServices = accessibilityManager.getEnabledAccessibilityServiceList( 4418 AccessibilityServiceInfo.FEEDBACK_ALL_MASK); 4419 } finally { 4420 restoreCallingIdentity(id); 4421 } 4422 4423 if (enabledServices != null) { 4424 List<String> enabledPackages = new ArrayList<String>(); 4425 for (AccessibilityServiceInfo service : enabledServices) { 4426 enabledPackages.add(service.getResolveInfo().serviceInfo.packageName); 4427 } 4428 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4429 Slog.e(LOG_TAG, "Cannot set permitted accessibility services, " 4430 + "because it contains already enabled accesibility services."); 4431 return false; 4432 } 4433 } 4434 } 4435 4436 synchronized (this) { 4437 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4438 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4439 admin.permittedAccessiblityServices = packageList; 4440 saveSettingsLocked(UserHandle.getCallingUserId()); 4441 } 4442 return true; 4443 } 4444 4445 @Override 4446 public List getPermittedAccessibilityServices(ComponentName who) { 4447 if (!mHasFeature) { 4448 return null; 4449 } 4450 4451 if (who == null) { 4452 throw new NullPointerException("ComponentName is null"); 4453 } 4454 4455 synchronized (this) { 4456 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4457 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4458 return admin.permittedAccessiblityServices; 4459 } 4460 } 4461 4462 @Override 4463 public List getPermittedAccessibilityServicesForUser(int userId) { 4464 if (!mHasFeature) { 4465 return null; 4466 } 4467 synchronized (this) { 4468 List<String> result = null; 4469 // If we have multiple profiles we return the intersection of the 4470 // permitted lists. This can happen in cases where we have a device 4471 // and profile owner. 4472 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4473 final int PROFILES_SIZE = profiles.size(); 4474 for (int i = 0; i < PROFILES_SIZE; ++i) { 4475 // Just loop though all admins, only device or profiles 4476 // owners can have permitted lists set. 4477 DevicePolicyData policy = getUserData(profiles.get(i).id); 4478 final int N = policy.mAdminList.size(); 4479 for (int j = 0; j < N; j++) { 4480 ActiveAdmin admin = policy.mAdminList.get(j); 4481 List<String> fromAdmin = admin.permittedAccessiblityServices; 4482 if (fromAdmin != null) { 4483 if (result == null) { 4484 result = new ArrayList<String>(fromAdmin); 4485 } else { 4486 result.retainAll(fromAdmin); 4487 } 4488 } 4489 } 4490 } 4491 4492 // If we have a permitted list add all system accessibility services. 4493 if (result != null) { 4494 long id = Binder.clearCallingIdentity(); 4495 try { 4496 UserInfo user = mUserManager.getUserInfo(userId); 4497 if (user.isManagedProfile()) { 4498 userId = user.profileGroupId; 4499 } 4500 AccessibilityManager accessibilityManager = 4501 getAccessibilityManagerForUser(userId); 4502 List<AccessibilityServiceInfo> installedServices = 4503 accessibilityManager.getInstalledAccessibilityServiceList(); 4504 4505 IPackageManager pm = AppGlobals.getPackageManager(); 4506 if (installedServices != null) { 4507 for (AccessibilityServiceInfo service : installedServices) { 4508 String packageName = service.getResolveInfo().serviceInfo.packageName; 4509 try { 4510 ApplicationInfo applicationInfo = pm.getApplicationInfo(packageName, 4511 PackageManager.GET_UNINSTALLED_PACKAGES, userId); 4512 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4513 result.add(packageName); 4514 } 4515 } catch (RemoteException e) { 4516 Log.i(LOG_TAG, "Accessibility service in missing package", e); 4517 } 4518 } 4519 } 4520 } finally { 4521 restoreCallingIdentity(id); 4522 } 4523 } 4524 4525 return result; 4526 } 4527 } 4528 4529 private boolean checkCallerIsCurrentUserOrProfile() { 4530 int callingUserId = UserHandle.getCallingUserId(); 4531 long token = Binder.clearCallingIdentity(); 4532 try { 4533 UserInfo currentUser; 4534 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4535 try { 4536 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4537 } catch (RemoteException e) { 4538 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4539 return false; 4540 } 4541 4542 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4543 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4544 + "of a user that isn't the foreground user."); 4545 return false; 4546 } 4547 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4548 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4549 + "of a user that isn't the foreground user."); 4550 return false; 4551 } 4552 } finally { 4553 Binder.restoreCallingIdentity(token); 4554 } 4555 return true; 4556 } 4557 4558 @Override 4559 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4560 if (!mHasFeature) { 4561 return false; 4562 } 4563 if (who == null) { 4564 throw new NullPointerException("ComponentName is null"); 4565 } 4566 4567 // TODO When InputMethodManager supports per user calls remove 4568 // this restriction. 4569 if (!checkCallerIsCurrentUserOrProfile()) { 4570 return false; 4571 } 4572 4573 if (packageList != null) { 4574 // InputMethodManager fetches input methods for current user. 4575 // So this can only be set when calling user is the current user 4576 // or parent is current user in case of managed profiles. 4577 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4578 .getSystemService(Context.INPUT_METHOD_SERVICE); 4579 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4580 4581 if (enabledImes != null) { 4582 List<String> enabledPackages = new ArrayList<String>(); 4583 for (InputMethodInfo ime : enabledImes) { 4584 enabledPackages.add(ime.getPackageName()); 4585 } 4586 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4587 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4588 + "because it contains already enabled input method."); 4589 return false; 4590 } 4591 } 4592 } 4593 4594 synchronized (this) { 4595 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4596 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4597 admin.permittedInputMethods = packageList; 4598 saveSettingsLocked(UserHandle.getCallingUserId()); 4599 } 4600 return true; 4601 } 4602 4603 @Override 4604 public List getPermittedInputMethods(ComponentName who) { 4605 if (!mHasFeature) { 4606 return null; 4607 } 4608 4609 if (who == null) { 4610 throw new NullPointerException("ComponentName is null"); 4611 } 4612 4613 synchronized (this) { 4614 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4615 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4616 return admin.permittedInputMethods; 4617 } 4618 } 4619 4620 @Override 4621 public List getPermittedInputMethodsForCurrentUser() { 4622 UserInfo currentUser; 4623 try { 4624 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4625 } catch (RemoteException e) { 4626 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 4627 // Activity managed is dead, just allow all IMEs 4628 return null; 4629 } 4630 4631 int userId = currentUser.id; 4632 synchronized (this) { 4633 List<String> result = null; 4634 // If we have multiple profiles we return the intersection of the 4635 // permitted lists. This can happen in cases where we have a device 4636 // and profile owner. 4637 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4638 final int PROFILES_SIZE = profiles.size(); 4639 for (int i = 0; i < PROFILES_SIZE; ++i) { 4640 // Just loop though all admins, only device or profiles 4641 // owners can have permitted lists set. 4642 DevicePolicyData policy = getUserData(profiles.get(i).id); 4643 final int N = policy.mAdminList.size(); 4644 for (int j = 0; j < N; j++) { 4645 ActiveAdmin admin = policy.mAdminList.get(j); 4646 List<String> fromAdmin = admin.permittedInputMethods; 4647 if (fromAdmin != null) { 4648 if (result == null) { 4649 result = new ArrayList<String>(fromAdmin); 4650 } else { 4651 result.retainAll(fromAdmin); 4652 } 4653 } 4654 } 4655 } 4656 4657 // If we have a permitted list add all system input methods. 4658 if (result != null) { 4659 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4660 .getSystemService(Context.INPUT_METHOD_SERVICE); 4661 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 4662 long id = Binder.clearCallingIdentity(); 4663 try { 4664 IPackageManager pm = AppGlobals.getPackageManager(); 4665 if (imes != null) { 4666 for (InputMethodInfo ime : imes) { 4667 String packageName = ime.getPackageName(); 4668 try { 4669 ApplicationInfo applicationInfo = pm.getApplicationInfo( 4670 packageName, PackageManager.GET_UNINSTALLED_PACKAGES, 4671 userId); 4672 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4673 result.add(packageName); 4674 } 4675 } catch (RemoteException e) { 4676 Log.i(LOG_TAG, "Input method for missing package", e); 4677 } 4678 } 4679 } 4680 } finally { 4681 restoreCallingIdentity(id); 4682 } 4683 } 4684 return result; 4685 } 4686 } 4687 4688 @Override 4689 public UserHandle createUser(ComponentName who, String name) { 4690 synchronized (this) { 4691 if (who == null) { 4692 throw new NullPointerException("ComponentName is null"); 4693 } 4694 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4695 4696 long id = Binder.clearCallingIdentity(); 4697 try { 4698 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 4699 if (userInfo != null) { 4700 return userInfo.getUserHandle(); 4701 } 4702 return null; 4703 } finally { 4704 restoreCallingIdentity(id); 4705 } 4706 } 4707 } 4708 4709 @Override 4710 public UserHandle createAndInitializeUser(ComponentName who, String name, 4711 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 4712 UserHandle user = createUser(who, name); 4713 long id = Binder.clearCallingIdentity(); 4714 try { 4715 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 4716 final IPackageManager ipm = AppGlobals.getPackageManager(); 4717 IActivityManager activityManager = ActivityManagerNative.getDefault(); 4718 4719 try { 4720 // Install the profile owner if not present. 4721 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 4722 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 4723 } 4724 4725 // Start user in background. 4726 activityManager.startUserInBackground(user.getIdentifier()); 4727 } catch (RemoteException e) { 4728 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 4729 } 4730 4731 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 4732 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 4733 return user; 4734 } finally { 4735 restoreCallingIdentity(id); 4736 } 4737 } 4738 4739 @Override 4740 public boolean removeUser(ComponentName who, UserHandle userHandle) { 4741 synchronized (this) { 4742 if (who == null) { 4743 throw new NullPointerException("ComponentName is null"); 4744 } 4745 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4746 4747 long id = Binder.clearCallingIdentity(); 4748 try { 4749 return mUserManager.removeUser(userHandle.getIdentifier()); 4750 } finally { 4751 restoreCallingIdentity(id); 4752 } 4753 } 4754 } 4755 4756 @Override 4757 public boolean switchUser(ComponentName who, UserHandle userHandle) { 4758 synchronized (this) { 4759 if (who == null) { 4760 throw new NullPointerException("ComponentName is null"); 4761 } 4762 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4763 4764 long id = Binder.clearCallingIdentity(); 4765 try { 4766 int userId = UserHandle.USER_OWNER; 4767 if (userHandle != null) { 4768 userId = userHandle.getIdentifier(); 4769 } 4770 return ActivityManagerNative.getDefault().switchUser(userId); 4771 } catch (RemoteException e) { 4772 Log.e(LOG_TAG, "Couldn't switch user", e); 4773 return false; 4774 } finally { 4775 restoreCallingIdentity(id); 4776 } 4777 } 4778 } 4779 4780 @Override 4781 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 4782 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4783 4784 synchronized (this) { 4785 if (who == null) { 4786 throw new NullPointerException("ComponentName is null"); 4787 } 4788 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4789 4790 long id = Binder.clearCallingIdentity(); 4791 try { 4792 return mUserManager.getApplicationRestrictions(packageName, userHandle); 4793 } finally { 4794 restoreCallingIdentity(id); 4795 } 4796 } 4797 } 4798 4799 @Override 4800 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 4801 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 4802 final int userHandle = user.getIdentifier(); 4803 synchronized (this) { 4804 if (who == null) { 4805 throw new NullPointerException("ComponentName is null"); 4806 } 4807 ActiveAdmin activeAdmin = 4808 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4809 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 4810 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 4811 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 4812 throw new SecurityException("Profile owners cannot set user restriction " + key); 4813 } 4814 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 4815 4816 IAudioService iAudioService = null; 4817 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 4818 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4819 iAudioService = IAudioService.Stub.asInterface( 4820 ServiceManager.getService(Context.AUDIO_SERVICE)); 4821 } 4822 4823 if (enabled && !alreadyRestricted) { 4824 try { 4825 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4826 iAudioService.setMicrophoneMute(true, who.getPackageName()); 4827 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4828 iAudioService.setMasterMute(true, 0, who.getPackageName(), null); 4829 } 4830 } catch (RemoteException re) { 4831 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4832 } 4833 } 4834 long id = Binder.clearCallingIdentity(); 4835 try { 4836 if (enabled && !alreadyRestricted) { 4837 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 4838 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4839 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 4840 userHandle); 4841 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 4842 UsbManager manager = 4843 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 4844 manager.setCurrentFunction("none", false); 4845 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 4846 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4847 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 4848 userHandle); 4849 Settings.Secure.putStringForUser(mContext.getContentResolver(), 4850 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 4851 userHandle); 4852 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 4853 // Only disable adb if changing for primary user, since it is global 4854 if (userHandle == UserHandle.USER_OWNER) { 4855 Settings.Global.putStringForUser(mContext.getContentResolver(), 4856 Settings.Global.ADB_ENABLED, "0", userHandle); 4857 } 4858 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 4859 Settings.Global.putStringForUser(mContext.getContentResolver(), 4860 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 4861 userHandle); 4862 Settings.Global.putStringForUser(mContext.getContentResolver(), 4863 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 4864 userHandle); 4865 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 4866 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4867 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 4868 userHandle); 4869 } 4870 } 4871 mUserManager.setUserRestriction(key, enabled, user); 4872 } finally { 4873 restoreCallingIdentity(id); 4874 } 4875 if (!enabled && alreadyRestricted) { 4876 try { 4877 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4878 iAudioService.setMicrophoneMute(false, who.getPackageName()); 4879 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4880 iAudioService.setMasterMute(false, 0, who.getPackageName(), null); 4881 } 4882 } catch (RemoteException re) { 4883 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4884 } 4885 } 4886 sendChangedNotification(userHandle); 4887 } 4888 } 4889 4890 @Override 4891 public boolean setApplicationHidden(ComponentName who, String packageName, 4892 boolean hidden) { 4893 int callingUserId = UserHandle.getCallingUserId(); 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 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 4904 } catch (RemoteException re) { 4905 // shouldn't happen 4906 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 4907 } finally { 4908 restoreCallingIdentity(id); 4909 } 4910 return false; 4911 } 4912 } 4913 4914 @Override 4915 public boolean isApplicationHidden(ComponentName who, String packageName) { 4916 int callingUserId = UserHandle.getCallingUserId(); 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.getApplicationHiddenSettingAsUser(packageName, callingUserId); 4927 } catch (RemoteException re) { 4928 // shouldn't happen 4929 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 4930 } finally { 4931 restoreCallingIdentity(id); 4932 } 4933 return false; 4934 } 4935 } 4936 4937 @Override 4938 public void enableSystemApp(ComponentName who, String packageName) { 4939 synchronized (this) { 4940 if (who == null) { 4941 throw new NullPointerException("ComponentName is null"); 4942 } 4943 4944 // This API can only be called by an active device admin, 4945 // so try to retrieve it to check that the caller is one. 4946 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4947 4948 int userId = UserHandle.getCallingUserId(); 4949 long id = Binder.clearCallingIdentity(); 4950 4951 try { 4952 if (DBG) { 4953 Slog.v(LOG_TAG, "installing " + packageName + " for " 4954 + userId); 4955 } 4956 4957 UserManager um = UserManager.get(mContext); 4958 UserInfo primaryUser = um.getProfileParent(userId); 4959 4960 // Call did not come from a managed profile 4961 if (primaryUser == null) { 4962 primaryUser = um.getUserInfo(userId); 4963 } 4964 4965 IPackageManager pm = AppGlobals.getPackageManager(); 4966 if (!isSystemApp(pm, packageName, primaryUser.id)) { 4967 throw new IllegalArgumentException("Only system apps can be enabled this way."); 4968 } 4969 4970 // Install the app. 4971 pm.installExistingPackageAsUser(packageName, userId); 4972 4973 } catch (RemoteException re) { 4974 // shouldn't happen 4975 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 4976 } finally { 4977 restoreCallingIdentity(id); 4978 } 4979 } 4980 } 4981 4982 @Override 4983 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 4984 synchronized (this) { 4985 if (who == null) { 4986 throw new NullPointerException("ComponentName is null"); 4987 } 4988 4989 // This API can only be called by an active device admin, 4990 // so try to retrieve it to check that the caller is one. 4991 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4992 4993 int userId = UserHandle.getCallingUserId(); 4994 long id = Binder.clearCallingIdentity(); 4995 4996 try { 4997 UserManager um = UserManager.get(mContext); 4998 UserInfo primaryUser = um.getProfileParent(userId); 4999 5000 // Call did not come from a managed profile. 5001 if (primaryUser == null) { 5002 primaryUser = um.getUserInfo(userId); 5003 } 5004 5005 IPackageManager pm = AppGlobals.getPackageManager(); 5006 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 5007 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 5008 0, // no flags 5009 primaryUser.id); 5010 5011 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5012 int numberOfAppsInstalled = 0; 5013 if (activitiesToEnable != null) { 5014 for (ResolveInfo info : activitiesToEnable) { 5015 if (info.activityInfo != null) { 5016 5017 if (!isSystemApp(pm, info.activityInfo.packageName, primaryUser.id)) { 5018 throw new IllegalArgumentException( 5019 "Only system apps can be enabled this way."); 5020 } 5021 5022 5023 numberOfAppsInstalled++; 5024 pm.installExistingPackageAsUser(info.activityInfo.packageName, userId); 5025 } 5026 } 5027 } 5028 return numberOfAppsInstalled; 5029 } catch (RemoteException e) { 5030 // shouldn't happen 5031 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5032 return 0; 5033 } finally { 5034 restoreCallingIdentity(id); 5035 } 5036 } 5037 } 5038 5039 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5040 throws RemoteException { 5041 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5042 userId); 5043 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) > 0; 5044 } 5045 5046 @Override 5047 public void setAccountManagementDisabled(ComponentName who, String accountType, 5048 boolean disabled) { 5049 if (!mHasFeature) { 5050 return; 5051 } 5052 synchronized (this) { 5053 if (who == null) { 5054 throw new NullPointerException("ComponentName is null"); 5055 } 5056 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5057 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5058 if (disabled) { 5059 ap.accountTypesWithManagementDisabled.add(accountType); 5060 } else { 5061 ap.accountTypesWithManagementDisabled.remove(accountType); 5062 } 5063 saveSettingsLocked(UserHandle.getCallingUserId()); 5064 } 5065 } 5066 5067 @Override 5068 public String[] getAccountTypesWithManagementDisabled() { 5069 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5070 } 5071 5072 @Override 5073 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5074 enforceCrossUserPermission(userId); 5075 if (!mHasFeature) { 5076 return null; 5077 } 5078 synchronized (this) { 5079 DevicePolicyData policy = getUserData(userId); 5080 final int N = policy.mAdminList.size(); 5081 HashSet<String> resultSet = new HashSet<String>(); 5082 for (int i = 0; i < N; i++) { 5083 ActiveAdmin admin = policy.mAdminList.get(i); 5084 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5085 } 5086 return resultSet.toArray(new String[resultSet.size()]); 5087 } 5088 } 5089 5090 @Override 5091 public void setUninstallBlocked(ComponentName who, String packageName, 5092 boolean uninstallBlocked) { 5093 final int userId = UserHandle.getCallingUserId(); 5094 5095 synchronized (this) { 5096 if (who == null) { 5097 throw new NullPointerException("ComponentName is null"); 5098 } 5099 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5100 5101 long id = Binder.clearCallingIdentity(); 5102 try { 5103 IPackageManager pm = AppGlobals.getPackageManager(); 5104 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5105 } catch (RemoteException re) { 5106 // Shouldn't happen. 5107 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5108 } finally { 5109 restoreCallingIdentity(id); 5110 } 5111 } 5112 } 5113 5114 @Override 5115 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5116 // This function should return true if and only if the package is blocked by 5117 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5118 // when the package is a system app, or when it is an active device admin. 5119 final int userId = UserHandle.getCallingUserId(); 5120 5121 synchronized (this) { 5122 if (who != null) { 5123 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5124 } 5125 5126 long id = Binder.clearCallingIdentity(); 5127 try { 5128 IPackageManager pm = AppGlobals.getPackageManager(); 5129 return pm.getBlockUninstallForUser(packageName, userId); 5130 } catch (RemoteException re) { 5131 // Shouldn't happen. 5132 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5133 } finally { 5134 restoreCallingIdentity(id); 5135 } 5136 } 5137 return false; 5138 } 5139 5140 @Override 5141 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5142 if (!mHasFeature) { 5143 return; 5144 } 5145 synchronized (this) { 5146 if (who == null) { 5147 throw new NullPointerException("ComponentName is null"); 5148 } 5149 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5150 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5151 if (admin.disableCallerId != disabled) { 5152 admin.disableCallerId = disabled; 5153 saveSettingsLocked(UserHandle.getCallingUserId()); 5154 } 5155 } 5156 } 5157 5158 @Override 5159 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5160 if (!mHasFeature) { 5161 return false; 5162 } 5163 5164 synchronized (this) { 5165 if (who == null) { 5166 throw new NullPointerException("ComponentName is null"); 5167 } 5168 5169 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5170 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5171 return admin.disableCallerId; 5172 } 5173 } 5174 5175 @Override 5176 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5177 // TODO: Should there be a check to make sure this relationship is within a profile group? 5178 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5179 synchronized (this) { 5180 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5181 return (admin != null) ? admin.disableCallerId : false; 5182 } 5183 } 5184 5185 /** 5186 * Sets which packages may enter lock task mode. 5187 * 5188 * This function can only be called by the device owner. 5189 * @param components The list of components allowed to enter lock task mode. 5190 */ 5191 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 5192 synchronized (this) { 5193 if (who == null) { 5194 throw new NullPointerException("ComponentName is null"); 5195 } 5196 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5197 5198 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5199 DevicePolicyData policy = getUserData(userHandle); 5200 policy.mLockTaskPackages.clear(); 5201 if (packages != null) { 5202 for (int j = 0; j < packages.length; j++) { 5203 String pkg = packages[j]; 5204 policy.mLockTaskPackages.add(pkg); 5205 } 5206 } 5207 5208 // Store the settings persistently. 5209 saveSettingsLocked(userHandle); 5210 } 5211 } 5212 5213 /** 5214 * This function returns the list of components allowed to start the task lock mode. 5215 */ 5216 public String[] getLockTaskPackages(ComponentName who) { 5217 synchronized (this) { 5218 if (who == null) { 5219 throw new NullPointerException("ComponentName is null"); 5220 } 5221 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5222 5223 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5224 DevicePolicyData policy = getUserData(userHandle); 5225 return policy.mLockTaskPackages.toArray(new String[0]); 5226 } 5227 } 5228 5229 /** 5230 * This function lets the caller know whether the given package is allowed to start the 5231 * lock task mode. 5232 * @param pkg The package to check 5233 */ 5234 public boolean isLockTaskPermitted(String pkg) { 5235 // Get current user's devicepolicy 5236 int uid = Binder.getCallingUid(); 5237 int userHandle = UserHandle.getUserId(uid); 5238 DevicePolicyData policy = getUserData(userHandle); 5239 synchronized (this) { 5240 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5241 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5242 5243 // If the given package equals one of the packages stored our list, 5244 // we allow this package to start lock task mode. 5245 if (lockTaskPackage.equals(pkg)) { 5246 return true; 5247 } 5248 } 5249 } 5250 return false; 5251 } 5252 5253 @Override 5254 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5255 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5256 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5257 } 5258 synchronized (this) { 5259 final DevicePolicyData policy = getUserData(userHandle); 5260 Bundle adminExtras = new Bundle(); 5261 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5262 for (ActiveAdmin admin : policy.mAdminList) { 5263 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5264 boolean ownsProfile = (getProfileOwner(userHandle) != null 5265 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5266 if (ownsDevice || ownsProfile) { 5267 if (isEnabled) { 5268 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5269 adminExtras, null); 5270 } else { 5271 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5272 } 5273 } 5274 } 5275 } 5276 } 5277 5278 @Override 5279 public void setGlobalSetting(ComponentName who, String setting, String value) { 5280 final ContentResolver contentResolver = mContext.getContentResolver(); 5281 5282 synchronized (this) { 5283 if (who == null) { 5284 throw new NullPointerException("ComponentName is null"); 5285 } 5286 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5287 5288 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5289 throw new SecurityException(String.format( 5290 "Permission denial: device owners cannot update %1$s", setting)); 5291 } 5292 5293 long id = Binder.clearCallingIdentity(); 5294 try { 5295 Settings.Global.putString(contentResolver, setting, value); 5296 } finally { 5297 restoreCallingIdentity(id); 5298 } 5299 } 5300 } 5301 5302 @Override 5303 public void setSecureSetting(ComponentName who, String setting, String value) { 5304 int callingUserId = UserHandle.getCallingUserId(); 5305 final ContentResolver contentResolver = mContext.getContentResolver(); 5306 5307 synchronized (this) { 5308 if (who == null) { 5309 throw new NullPointerException("ComponentName is null"); 5310 } 5311 ActiveAdmin activeAdmin = 5312 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5313 5314 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 5315 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 5316 throw new SecurityException(String.format( 5317 "Permission denial: Device owners cannot update %1$s", setting)); 5318 } 5319 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5320 throw new SecurityException(String.format( 5321 "Permission denial: Profile owners cannot update %1$s", setting)); 5322 } 5323 5324 long id = Binder.clearCallingIdentity(); 5325 try { 5326 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5327 } finally { 5328 restoreCallingIdentity(id); 5329 } 5330 } 5331 } 5332 5333 @Override 5334 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5335 final ContentResolver contentResolver = mContext.getContentResolver(); 5336 5337 synchronized (this) { 5338 if (who == null) { 5339 throw new NullPointerException("ComponentName is null"); 5340 } 5341 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5342 5343 IAudioService iAudioService = IAudioService.Stub.asInterface( 5344 ServiceManager.getService(Context.AUDIO_SERVICE)); 5345 try{ 5346 iAudioService.setMasterMute(on, 0, who.getPackageName(), null); 5347 } catch (RemoteException re) { 5348 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5349 } 5350 } 5351 } 5352 5353 @Override 5354 public boolean isMasterVolumeMuted(ComponentName who) { 5355 final ContentResolver contentResolver = mContext.getContentResolver(); 5356 5357 synchronized (this) { 5358 if (who == null) { 5359 throw new NullPointerException("ComponentName is null"); 5360 } 5361 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5362 5363 AudioManager audioManager = 5364 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5365 return audioManager.isMasterMute(); 5366 } 5367 } 5368 5369 /** 5370 * We need to update the internal state of whether a user has completed setup once. After 5371 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5372 * as we don't trust any apps that might try to reset it. 5373 * <p> 5374 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5375 * them. 5376 */ 5377 void updateUserSetupComplete() { 5378 List<UserInfo> users = mUserManager.getUsers(true); 5379 ContentResolver resolver = mContext.getContentResolver(); 5380 final int N = users.size(); 5381 for (int i = 0; i < N; i++) { 5382 int userHandle = users.get(i).id; 5383 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5384 userHandle) != 0) { 5385 DevicePolicyData policy = getUserData(userHandle); 5386 if (!policy.mUserSetupComplete) { 5387 policy.mUserSetupComplete = true; 5388 synchronized (this) { 5389 saveSettingsLocked(userHandle); 5390 } 5391 } 5392 } 5393 } 5394 } 5395 5396 private class SetupContentObserver extends ContentObserver { 5397 5398 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5399 Settings.Secure.USER_SETUP_COMPLETE); 5400 5401 public SetupContentObserver(Handler handler) { 5402 super(handler); 5403 } 5404 5405 void register(ContentResolver resolver) { 5406 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5407 } 5408 5409 @Override 5410 public void onChange(boolean selfChange, Uri uri) { 5411 if (mUserSetupComplete.equals(uri)) { 5412 updateUserSetupComplete(); 5413 } 5414 } 5415 } 5416 5417 private final class LocalService extends DevicePolicyManagerInternal { 5418 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5419 5420 @Override 5421 public List<String> getCrossProfileWidgetProviders(int profileId) { 5422 synchronized (DevicePolicyManagerService.this) { 5423 if (mDeviceOwner == null) { 5424 return Collections.emptyList(); 5425 } 5426 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5427 if (ownerComponent == null) { 5428 return Collections.emptyList(); 5429 } 5430 5431 DevicePolicyData policy = getUserData(profileId); 5432 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 5433 5434 if (admin == null || admin.crossProfileWidgetProviders == null 5435 || admin.crossProfileWidgetProviders.isEmpty()) { 5436 return Collections.emptyList(); 5437 } 5438 5439 return admin.crossProfileWidgetProviders; 5440 } 5441 } 5442 5443 @Override 5444 public void addOnCrossProfileWidgetProvidersChangeListener( 5445 OnCrossProfileWidgetProvidersChangeListener listener) { 5446 synchronized (DevicePolicyManagerService.this) { 5447 if (mWidgetProviderListeners == null) { 5448 mWidgetProviderListeners = new ArrayList<>(); 5449 } 5450 if (!mWidgetProviderListeners.contains(listener)) { 5451 mWidgetProviderListeners.add(listener); 5452 } 5453 } 5454 } 5455 5456 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 5457 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 5458 synchronized (DevicePolicyManagerService.this) { 5459 listeners = new ArrayList<>(mWidgetProviderListeners); 5460 } 5461 final int listenerCount = listeners.size(); 5462 for (int i = 0; i < listenerCount; i++) { 5463 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 5464 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 5465 } 5466 } 5467 } 5468} 5469