DevicePolicyManagerService.java revision 8e99586830640796209b935421868754f3ebf1d7
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.ServiceInfo; 52import android.content.pm.UserInfo; 53import android.database.ContentObserver; 54import android.hardware.usb.UsbManager; 55import android.media.AudioManager; 56import android.media.IAudioService; 57import android.net.ConnectivityManager; 58import android.net.ProxyInfo; 59import android.net.Uri; 60import android.os.AsyncTask; 61import android.os.Binder; 62import android.os.Bundle; 63import android.os.Environment; 64import android.os.Handler; 65import android.os.IBinder; 66import android.os.PersistableBundle; 67import android.os.PowerManager; 68import android.os.PowerManagerInternal; 69import android.os.Process; 70import android.os.RecoverySystem; 71import android.os.RemoteCallback; 72import android.os.RemoteException; 73import android.os.ServiceManager; 74import android.os.SystemClock; 75import android.os.SystemProperties; 76import android.os.UserHandle; 77import android.os.UserManager; 78import android.provider.Settings; 79import android.security.Credentials; 80import android.security.IKeyChainService; 81import android.security.KeyChain; 82import android.security.KeyChain.KeyChainConnection; 83import android.text.TextUtils; 84import android.service.persistentdata.PersistentDataBlockManager; 85import android.util.Log; 86import android.util.PrintWriterPrinter; 87import android.util.Printer; 88import android.util.Slog; 89import android.util.SparseArray; 90import android.util.Xml; 91import android.view.accessibility.AccessibilityManager; 92import android.view.accessibility.IAccessibilityManager; 93import android.view.inputmethod.InputMethodInfo; 94import android.view.inputmethod.InputMethodManager; 95import android.view.IWindowManager; 96 97import com.android.internal.R; 98import com.android.internal.os.storage.ExternalStorageFormatter; 99import com.android.internal.util.FastXmlSerializer; 100import com.android.internal.util.JournaledFile; 101import com.android.internal.util.XmlUtils; 102import com.android.internal.widget.LockPatternUtils; 103import com.android.server.LocalServices; 104import com.android.server.SystemService; 105import com.android.server.devicepolicy.DevicePolicyManagerService.ActiveAdmin.TrustAgentInfo; 106 107import org.xmlpull.v1.XmlPullParser; 108 109import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 110import static org.xmlpull.v1.XmlPullParser.END_TAG; 111import static org.xmlpull.v1.XmlPullParser.TEXT; 112 113import org.xmlpull.v1.XmlPullParserException; 114import org.xmlpull.v1.XmlSerializer; 115 116import java.io.ByteArrayInputStream; 117import java.io.File; 118import java.io.FileDescriptor; 119import java.io.FileInputStream; 120import java.io.FileNotFoundException; 121import java.io.FileOutputStream; 122import java.io.IOException; 123import java.io.PrintWriter; 124import java.security.cert.CertificateException; 125import java.security.cert.CertificateFactory; 126import java.security.cert.X509Certificate; 127import java.text.DateFormat; 128import java.util.ArrayList; 129import java.util.Collections; 130import java.util.Date; 131import java.util.HashMap; 132import java.util.HashSet; 133import java.util.List; 134import java.util.Map.Entry; 135import java.util.Set; 136 137/** 138 * Implementation of the device policy APIs. 139 */ 140public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { 141 142 private static final String LOG_TAG = "DevicePolicyManagerService"; 143 144 private static final String DEVICE_POLICIES_XML = "device_policies.xml"; 145 146 private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; 147 148 private static final int REQUEST_EXPIRE_PASSWORD = 5571; 149 150 private static final long MS_PER_DAY = 86400 * 1000; 151 152 private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms 153 154 protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION 155 = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; 156 157 private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; 158 159 private static final boolean DBG = false; 160 161 private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; 162 private static final String ATTR_SETUP_COMPLETE = "setup-complete"; 163 164 private static final Set<String> DEVICE_OWNER_USER_RESTRICTIONS; 165 static { 166 DEVICE_OWNER_USER_RESTRICTIONS = new HashSet(); 167 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_USB_FILE_TRANSFER); 168 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_TETHERING); 169 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_FACTORY_RESET); 170 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADD_USER); 171 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_CELL_BROADCASTS); 172 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS); 173 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_MOUNT_PHYSICAL_MEDIA); 174 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_UNMUTE_MICROPHONE); 175 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_ADJUST_VOLUME); 176 DEVICE_OWNER_USER_RESTRICTIONS.add(UserManager.DISALLOW_SMS); 177 } 178 179 private static final Set<String> SECURE_SETTINGS_WHITELIST; 180 private static final Set<String> SECURE_SETTINGS_DEVICEOWNER_WHITELIST; 181 private static final Set<String> GLOBAL_SETTINGS_WHITELIST; 182 static { 183 SECURE_SETTINGS_WHITELIST = new HashSet(); 184 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.DEFAULT_INPUT_METHOD); 185 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.SKIP_FIRST_USE_HINTS); 186 SECURE_SETTINGS_WHITELIST.add(Settings.Secure.INSTALL_NON_MARKET_APPS); 187 188 SECURE_SETTINGS_DEVICEOWNER_WHITELIST = new HashSet(); 189 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.addAll(SECURE_SETTINGS_WHITELIST); 190 SECURE_SETTINGS_DEVICEOWNER_WHITELIST.add(Settings.Secure.LOCATION_MODE); 191 192 GLOBAL_SETTINGS_WHITELIST = new HashSet(); 193 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.ADB_ENABLED); 194 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME); 195 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.AUTO_TIME_ZONE); 196 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.BLUETOOTH_ON); 197 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DATA_ROAMING); 198 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.DEVELOPMENT_SETTINGS_ENABLED); 199 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.MODE_RINGER); 200 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.NETWORK_PREFERENCE); 201 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.USB_MASS_STORAGE_ENABLED); 202 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_ON); 203 GLOBAL_SETTINGS_WHITELIST.add(Settings.Global.WIFI_SLEEP_POLICY); 204 } 205 206 final Context mContext; 207 final UserManager mUserManager; 208 final PowerManager.WakeLock mWakeLock; 209 210 final LocalService mLocalService; 211 212 final PowerManager mPowerManager; 213 final PowerManagerInternal mPowerManagerInternal; 214 215 IWindowManager mIWindowManager; 216 NotificationManager mNotificationManager; 217 218 // Stores and loads state on device and profile owners. 219 private DeviceOwner mDeviceOwner; 220 221 /** 222 * Whether or not device admin feature is supported. If it isn't return defaults for all 223 * public methods. 224 */ 225 private boolean mHasFeature; 226 227 public static final class Lifecycle extends SystemService { 228 private DevicePolicyManagerService mService; 229 230 public Lifecycle(Context context) { 231 super(context); 232 mService = new DevicePolicyManagerService(context); 233 } 234 235 @Override 236 public void onStart() { 237 publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); 238 } 239 240 @Override 241 public void onBootPhase(int phase) { 242 if (phase == PHASE_LOCK_SETTINGS_READY) { 243 mService.systemReady(); 244 } 245 } 246 } 247 248 public static class DevicePolicyData { 249 int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 250 int mActivePasswordLength = 0; 251 int mActivePasswordUpperCase = 0; 252 int mActivePasswordLowerCase = 0; 253 int mActivePasswordLetters = 0; 254 int mActivePasswordNumeric = 0; 255 int mActivePasswordSymbols = 0; 256 int mActivePasswordNonLetter = 0; 257 int mFailedPasswordAttempts = 0; 258 259 int mUserHandle; 260 int mPasswordOwner = -1; 261 long mLastMaximumTimeToLock = -1; 262 boolean mUserSetupComplete = false; 263 264 final HashMap<ComponentName, ActiveAdmin> mAdminMap 265 = new HashMap<ComponentName, ActiveAdmin>(); 266 final ArrayList<ActiveAdmin> mAdminList 267 = new ArrayList<ActiveAdmin>(); 268 final ArrayList<ComponentName> mRemovingAdmins 269 = new ArrayList<ComponentName>(); 270 271 // This is the list of component allowed to start lock task mode. 272 final List<String> mLockTaskPackages = new ArrayList<String>(); 273 274 ComponentName mRestrictionsProvider; 275 276 public DevicePolicyData(int userHandle) { 277 mUserHandle = userHandle; 278 } 279 } 280 281 final SparseArray<DevicePolicyData> mUserData = new SparseArray<DevicePolicyData>(); 282 283 Handler mHandler = new Handler(); 284 285 BroadcastReceiver mReceiver = new BroadcastReceiver() { 286 @Override 287 public void onReceive(Context context, Intent intent) { 288 final String action = intent.getAction(); 289 final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 290 getSendingUserId()); 291 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 292 || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { 293 if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " 294 + action + " for user " + userHandle); 295 mHandler.post(new Runnable() { 296 public void run() { 297 handlePasswordExpirationNotification(userHandle); 298 } 299 }); 300 } 301 if (Intent.ACTION_BOOT_COMPLETED.equals(action) 302 || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { 303 new MonitoringCertNotificationTask().execute(intent); 304 } 305 if (Intent.ACTION_USER_REMOVED.equals(action)) { 306 removeUserData(userHandle); 307 } else if (Intent.ACTION_USER_STARTED.equals(action) 308 || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 309 310 if (Intent.ACTION_USER_STARTED.equals(action)) { 311 // Reset the policy data 312 synchronized (DevicePolicyManagerService.this) { 313 mUserData.remove(userHandle); 314 } 315 } 316 handlePackagesChanged(null /* check all admins */, userHandle); 317 } else if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 318 || (Intent.ACTION_PACKAGE_ADDED.equals(action) 319 && intent.getBooleanExtra(Intent.EXTRA_REPLACING, false))) { 320 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 321 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action) 322 && !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { 323 handlePackagesChanged(intent.getData().getSchemeSpecificPart(), userHandle); 324 } 325 } 326 }; 327 328 static class ActiveAdmin { 329 private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; 330 private static final String TAG_DISABLE_CAMERA = "disable-camera"; 331 private static final String TAG_DISABLE_CALLER_ID = "disable-caller-id"; 332 private static final String TAG_DISABLE_SCREEN_CAPTURE = "disable-screen-capture"; 333 private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; 334 private static final String TAG_REQUIRE_AUTO_TIME = "require_auto_time"; 335 private static final String TAG_ACCOUNT_TYPE = "account-type"; 336 private static final String TAG_PERMITTED_ACCESSIBILITY_SERVICES 337 = "permitted-accessiblity-services"; 338 private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; 339 private static final String TAG_MANAGE_TRUST_AGENT_FEATURES = "manage-trust-agent-features"; 340 private static final String TAG_TRUST_AGENT_COMPONENT_OPTIONS = "trust-agent-component-options"; 341 private static final String TAG_TRUST_AGENT_COMPONENT = "component"; 342 private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; 343 private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; 344 private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; 345 private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; 346 private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; 347 private static final String TAG_PERMITTED_IMES = "permitted-imes"; 348 private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; 349 private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; 350 private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; 351 private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; 352 private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; 353 private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; 354 private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; 355 private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; 356 private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; 357 private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; 358 private static final String ATTR_VALUE = "value"; 359 private static final String TAG_PASSWORD_QUALITY = "password-quality"; 360 private static final String TAG_POLICIES = "policies"; 361 private static final String TAG_CROSS_PROFILE_WIDGET_PROVIDERS = 362 "cross-profile-widget-providers"; 363 private static final String TAG_PROVIDER = "provider"; 364 private static final String TAG_PACKAGE_LIST_ITEM = "item"; 365 366 final DeviceAdminInfo info; 367 368 int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 369 370 static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; 371 int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; 372 373 static final int DEF_PASSWORD_HISTORY_LENGTH = 0; 374 int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; 375 376 static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; 377 int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; 378 379 static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; 380 int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; 381 382 static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; 383 int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; 384 385 static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; 386 int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; 387 388 static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; 389 int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; 390 391 static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; 392 int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; 393 394 static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; 395 long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; 396 397 static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; 398 int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; 399 400 static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; 401 long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; 402 403 static final long DEF_PASSWORD_EXPIRATION_DATE = 0; 404 long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; 405 406 static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none 407 408 int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; 409 410 boolean encryptionRequested = false; 411 boolean disableCamera = false; 412 boolean disableCallerId = false; 413 boolean disableScreenCapture = false; // Can only be set by a device/profile owner. 414 boolean requireAutoTime = false; // Can only be set by a device owner. 415 416 static class TrustAgentInfo { 417 public PersistableBundle options; 418 TrustAgentInfo(PersistableBundle bundle) { 419 options = bundle; 420 } 421 } 422 423 Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); 424 425 // The list of permitted accessibility services package namesas set by a profile 426 // or device owner. Null means all accessibility services are allowed, empty means 427 // none except system services are allowed. 428 List<String> permittedAccessiblityServices; 429 430 // The list of permitted input methods package names as set by a profile or device owner. 431 // Null means all input methods are allowed, empty means none except system imes are 432 // allowed. 433 List<String> permittedInputMethods; 434 435 // TODO: review implementation decisions with frameworks team 436 boolean specifiesGlobalProxy = false; 437 String globalProxySpec = null; 438 String globalProxyExclusionList = null; 439 440 HashMap<String, TrustAgentInfo> trustAgentInfos = new HashMap<String, TrustAgentInfo>(); 441 442 List<String> crossProfileWidgetProviders; 443 444 ActiveAdmin(DeviceAdminInfo _info) { 445 info = _info; 446 } 447 448 int getUid() { return info.getActivityInfo().applicationInfo.uid; } 449 450 public UserHandle getUserHandle() { 451 return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); 452 } 453 454 void writeToXml(XmlSerializer out) 455 throws IllegalArgumentException, IllegalStateException, IOException { 456 out.startTag(null, TAG_POLICIES); 457 info.writePoliciesToXml(out); 458 out.endTag(null, TAG_POLICIES); 459 if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 460 out.startTag(null, TAG_PASSWORD_QUALITY); 461 out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); 462 out.endTag(null, TAG_PASSWORD_QUALITY); 463 if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { 464 out.startTag(null, TAG_MIN_PASSWORD_LENGTH); 465 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); 466 out.endTag(null, TAG_MIN_PASSWORD_LENGTH); 467 } 468 if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { 469 out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); 470 out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); 471 out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); 472 } 473 if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { 474 out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); 475 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); 476 out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); 477 } 478 if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { 479 out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); 480 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); 481 out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); 482 } 483 if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { 484 out.startTag(null, TAG_MIN_PASSWORD_LETTERS); 485 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); 486 out.endTag(null, TAG_MIN_PASSWORD_LETTERS); 487 } 488 if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { 489 out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); 490 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); 491 out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); 492 } 493 if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { 494 out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); 495 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); 496 out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); 497 } 498 if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { 499 out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); 500 out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); 501 out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); 502 } 503 } 504 if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { 505 out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); 506 out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); 507 out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); 508 } 509 if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 510 out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 511 out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); 512 out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); 513 } 514 if (specifiesGlobalProxy) { 515 out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 516 out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); 517 out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); 518 if (globalProxySpec != null) { 519 out.startTag(null, TAG_GLOBAL_PROXY_SPEC); 520 out.attribute(null, ATTR_VALUE, globalProxySpec); 521 out.endTag(null, TAG_GLOBAL_PROXY_SPEC); 522 } 523 if (globalProxyExclusionList != null) { 524 out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 525 out.attribute(null, ATTR_VALUE, globalProxyExclusionList); 526 out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); 527 } 528 } 529 if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { 530 out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 531 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); 532 out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); 533 } 534 if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { 535 out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); 536 out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); 537 out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); 538 } 539 if (encryptionRequested) { 540 out.startTag(null, TAG_ENCRYPTION_REQUESTED); 541 out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); 542 out.endTag(null, TAG_ENCRYPTION_REQUESTED); 543 } 544 if (disableCamera) { 545 out.startTag(null, TAG_DISABLE_CAMERA); 546 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); 547 out.endTag(null, TAG_DISABLE_CAMERA); 548 } 549 if (disableCallerId) { 550 out.startTag(null, TAG_DISABLE_CALLER_ID); 551 out.attribute(null, ATTR_VALUE, Boolean.toString(disableCallerId)); 552 out.endTag(null, TAG_DISABLE_CALLER_ID); 553 } 554 if (disableScreenCapture) { 555 out.startTag(null, TAG_DISABLE_SCREEN_CAPTURE); 556 out.attribute(null, ATTR_VALUE, Boolean.toString(disableScreenCapture)); 557 out.endTag(null, TAG_DISABLE_SCREEN_CAPTURE); 558 } 559 if (requireAutoTime) { 560 out.startTag(null, TAG_REQUIRE_AUTO_TIME); 561 out.attribute(null, ATTR_VALUE, Boolean.toString(requireAutoTime)); 562 out.endTag(null, TAG_REQUIRE_AUTO_TIME); 563 } 564 if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { 565 out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 566 out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); 567 out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); 568 } 569 if (!accountTypesWithManagementDisabled.isEmpty()) { 570 out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 571 for (String ac : accountTypesWithManagementDisabled) { 572 out.startTag(null, TAG_ACCOUNT_TYPE); 573 out.attribute(null, ATTR_VALUE, ac); 574 out.endTag(null, TAG_ACCOUNT_TYPE); 575 } 576 out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); 577 } 578 if (!trustAgentInfos.isEmpty()) { 579 Set<Entry<String, TrustAgentInfo>> set = trustAgentInfos.entrySet(); 580 out.startTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 581 for (Entry<String, TrustAgentInfo> entry : set) { 582 TrustAgentInfo trustAgentInfo = entry.getValue(); 583 out.startTag(null, TAG_TRUST_AGENT_COMPONENT); 584 out.attribute(null, ATTR_VALUE, entry.getKey()); 585 if (trustAgentInfo.options != null) { 586 out.startTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 587 try { 588 trustAgentInfo.options.saveToXml(out); 589 } catch (XmlPullParserException e) { 590 Log.e(LOG_TAG, "Failed to save TrustAgent options", e); 591 } 592 out.endTag(null, TAG_TRUST_AGENT_COMPONENT_OPTIONS); 593 } 594 out.endTag(null, TAG_TRUST_AGENT_COMPONENT); 595 } 596 out.endTag(null, TAG_MANAGE_TRUST_AGENT_FEATURES); 597 } 598 if (crossProfileWidgetProviders != null && !crossProfileWidgetProviders.isEmpty()) { 599 out.startTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 600 final int providerCount = crossProfileWidgetProviders.size(); 601 for (int i = 0; i < providerCount; i++) { 602 String provider = crossProfileWidgetProviders.get(i); 603 out.startTag(null, TAG_PROVIDER); 604 out.attribute(null, ATTR_VALUE, provider); 605 out.endTag(null, TAG_PROVIDER); 606 } 607 out.endTag(null, TAG_CROSS_PROFILE_WIDGET_PROVIDERS); 608 } 609 writePackageListToXml(out, TAG_PERMITTED_ACCESSIBILITY_SERVICES, 610 permittedAccessiblityServices); 611 writePackageListToXml(out, TAG_PERMITTED_IMES, permittedInputMethods); 612 } 613 614 void writePackageListToXml(XmlSerializer out, String outerTag, 615 List<String> packageList) 616 throws IllegalArgumentException, IllegalStateException, IOException { 617 if (packageList == null) { 618 return; 619 } 620 621 out.startTag(null, outerTag); 622 for (String packageName : packageList) { 623 out.startTag(null, TAG_PACKAGE_LIST_ITEM); 624 out.attribute(null, ATTR_VALUE, packageName); 625 out.endTag(null, TAG_PACKAGE_LIST_ITEM); 626 } 627 out.endTag(null, outerTag); 628 } 629 630 void readFromXml(XmlPullParser parser) 631 throws XmlPullParserException, IOException { 632 int outerDepth = parser.getDepth(); 633 int type; 634 while ((type=parser.next()) != END_DOCUMENT 635 && (type != END_TAG || parser.getDepth() > outerDepth)) { 636 if (type == END_TAG || type == TEXT) { 637 continue; 638 } 639 String tag = parser.getName(); 640 if (TAG_POLICIES.equals(tag)) { 641 info.readPoliciesFromXml(parser); 642 } else if (TAG_PASSWORD_QUALITY.equals(tag)) { 643 passwordQuality = Integer.parseInt( 644 parser.getAttributeValue(null, ATTR_VALUE)); 645 } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { 646 minimumPasswordLength = Integer.parseInt( 647 parser.getAttributeValue(null, ATTR_VALUE)); 648 } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { 649 passwordHistoryLength = Integer.parseInt( 650 parser.getAttributeValue(null, ATTR_VALUE)); 651 } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { 652 minimumPasswordUpperCase = Integer.parseInt( 653 parser.getAttributeValue(null, ATTR_VALUE)); 654 } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { 655 minimumPasswordLowerCase = Integer.parseInt( 656 parser.getAttributeValue(null, ATTR_VALUE)); 657 } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { 658 minimumPasswordLetters = Integer.parseInt( 659 parser.getAttributeValue(null, ATTR_VALUE)); 660 } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { 661 minimumPasswordNumeric = Integer.parseInt( 662 parser.getAttributeValue(null, ATTR_VALUE)); 663 } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { 664 minimumPasswordSymbols = Integer.parseInt( 665 parser.getAttributeValue(null, ATTR_VALUE)); 666 } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { 667 minimumPasswordNonLetter = Integer.parseInt( 668 parser.getAttributeValue(null, ATTR_VALUE)); 669 } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { 670 maximumTimeToUnlock = Long.parseLong( 671 parser.getAttributeValue(null, ATTR_VALUE)); 672 } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { 673 maximumFailedPasswordsForWipe = Integer.parseInt( 674 parser.getAttributeValue(null, ATTR_VALUE)); 675 } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { 676 specifiesGlobalProxy = Boolean.parseBoolean( 677 parser.getAttributeValue(null, ATTR_VALUE)); 678 } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { 679 globalProxySpec = 680 parser.getAttributeValue(null, ATTR_VALUE); 681 } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { 682 globalProxyExclusionList = 683 parser.getAttributeValue(null, ATTR_VALUE); 684 } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { 685 passwordExpirationTimeout = Long.parseLong( 686 parser.getAttributeValue(null, ATTR_VALUE)); 687 } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { 688 passwordExpirationDate = Long.parseLong( 689 parser.getAttributeValue(null, ATTR_VALUE)); 690 } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { 691 encryptionRequested = Boolean.parseBoolean( 692 parser.getAttributeValue(null, ATTR_VALUE)); 693 } else if (TAG_DISABLE_CAMERA.equals(tag)) { 694 disableCamera = Boolean.parseBoolean( 695 parser.getAttributeValue(null, ATTR_VALUE)); 696 } else if (TAG_DISABLE_CALLER_ID.equals(tag)) { 697 disableCallerId = Boolean.parseBoolean( 698 parser.getAttributeValue(null, ATTR_VALUE)); 699 } else if (TAG_DISABLE_SCREEN_CAPTURE.equals(tag)) { 700 disableScreenCapture = Boolean.parseBoolean( 701 parser.getAttributeValue(null, ATTR_VALUE)); 702 } else if (TAG_REQUIRE_AUTO_TIME.equals(tag)) { 703 requireAutoTime= Boolean.parseBoolean( 704 parser.getAttributeValue(null, ATTR_VALUE)); 705 } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { 706 disabledKeyguardFeatures = Integer.parseInt( 707 parser.getAttributeValue(null, ATTR_VALUE)); 708 } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { 709 accountTypesWithManagementDisabled = readDisableAccountInfo(parser, tag); 710 } else if (TAG_MANAGE_TRUST_AGENT_FEATURES.equals(tag)) { 711 trustAgentInfos = getAllTrustAgentInfos(parser, tag); 712 } else if (TAG_CROSS_PROFILE_WIDGET_PROVIDERS.equals(tag)) { 713 crossProfileWidgetProviders = getCrossProfileWidgetProviders(parser, tag); 714 } else if (TAG_PERMITTED_ACCESSIBILITY_SERVICES.equals(tag)) { 715 permittedAccessiblityServices = readPackageList(parser, tag); 716 } else if (TAG_PERMITTED_IMES.equals(tag)) { 717 permittedInputMethods = readPackageList(parser, tag); 718 } else { 719 Slog.w(LOG_TAG, "Unknown admin tag: " + tag); 720 } 721 XmlUtils.skipCurrentTag(parser); 722 } 723 } 724 725 private List<String> readPackageList(XmlPullParser parser, 726 String tag) throws XmlPullParserException, IOException { 727 List<String> result = new ArrayList<String>(); 728 int outerDepth = parser.getDepth(); 729 int outerType; 730 while ((outerType=parser.next()) != XmlPullParser.END_DOCUMENT 731 && (outerType != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 732 if (outerType == XmlPullParser.END_TAG || outerType == XmlPullParser.TEXT) { 733 continue; 734 } 735 String outerTag = parser.getName(); 736 if (TAG_PACKAGE_LIST_ITEM.equals(outerTag)) { 737 String packageName = parser.getAttributeValue(null, ATTR_VALUE); 738 if (packageName != null) { 739 result.add(packageName); 740 } else { 741 Slog.w(LOG_TAG, "Package name missing under " + outerTag); 742 } 743 } else { 744 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + outerTag); 745 } 746 } 747 return result; 748 } 749 750 private Set<String> readDisableAccountInfo(XmlPullParser parser, String tag) 751 throws XmlPullParserException, IOException { 752 int outerDepthDAM = parser.getDepth(); 753 int typeDAM; 754 Set<String> result = new HashSet<String>(); 755 while ((typeDAM=parser.next()) != END_DOCUMENT 756 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 757 if (typeDAM == END_TAG || typeDAM == TEXT) { 758 continue; 759 } 760 String tagDAM = parser.getName(); 761 if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { 762 result.add(parser.getAttributeValue(null, ATTR_VALUE)); 763 } else { 764 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 765 } 766 } 767 return result; 768 } 769 770 private HashMap<String, TrustAgentInfo> getAllTrustAgentInfos( 771 XmlPullParser parser, String tag) throws XmlPullParserException, IOException { 772 int outerDepthDAM = parser.getDepth(); 773 int typeDAM; 774 HashMap<String, TrustAgentInfo> result = new HashMap<String, TrustAgentInfo>(); 775 while ((typeDAM=parser.next()) != END_DOCUMENT 776 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 777 if (typeDAM == END_TAG || typeDAM == TEXT) { 778 continue; 779 } 780 String tagDAM = parser.getName(); 781 if (TAG_TRUST_AGENT_COMPONENT.equals(tagDAM)) { 782 final String component = parser.getAttributeValue(null, ATTR_VALUE); 783 final TrustAgentInfo trustAgentInfo = getTrustAgentInfo(parser, tag); 784 result.put(component, trustAgentInfo); 785 } else { 786 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 787 } 788 } 789 return result; 790 } 791 792 private TrustAgentInfo getTrustAgentInfo(XmlPullParser parser, String tag) 793 throws XmlPullParserException, IOException { 794 int outerDepthDAM = parser.getDepth(); 795 int typeDAM; 796 TrustAgentInfo result = new TrustAgentInfo(null); 797 while ((typeDAM=parser.next()) != END_DOCUMENT 798 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 799 if (typeDAM == END_TAG || typeDAM == TEXT) { 800 continue; 801 } 802 String tagDAM = parser.getName(); 803 if (TAG_TRUST_AGENT_COMPONENT_OPTIONS.equals(tagDAM)) { 804 PersistableBundle bundle = new PersistableBundle(); 805 bundle.restoreFromXml(parser); 806 result.options = bundle; 807 } else { 808 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 809 } 810 } 811 return result; 812 } 813 814 private List<String> getCrossProfileWidgetProviders(XmlPullParser parser, String tag) 815 throws XmlPullParserException, IOException { 816 int outerDepthDAM = parser.getDepth(); 817 int typeDAM; 818 ArrayList<String> result = null; 819 while ((typeDAM=parser.next()) != END_DOCUMENT 820 && (typeDAM != END_TAG || parser.getDepth() > outerDepthDAM)) { 821 if (typeDAM == END_TAG || typeDAM == TEXT) { 822 continue; 823 } 824 String tagDAM = parser.getName(); 825 if (TAG_PROVIDER.equals(tagDAM)) { 826 final String provider = parser.getAttributeValue(null, ATTR_VALUE); 827 if (result == null) { 828 result = new ArrayList<>(); 829 } 830 result.add(provider); 831 } else { 832 Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); 833 } 834 } 835 return result; 836 } 837 838 void dump(String prefix, PrintWriter pw) { 839 pw.print(prefix); pw.print("uid="); pw.println(getUid()); 840 pw.print(prefix); pw.println("policies:"); 841 ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); 842 if (pols != null) { 843 for (int i=0; i<pols.size(); i++) { 844 pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); 845 } 846 } 847 pw.print(prefix); pw.print("passwordQuality=0x"); 848 pw.println(Integer.toHexString(passwordQuality)); 849 pw.print(prefix); pw.print("minimumPasswordLength="); 850 pw.println(minimumPasswordLength); 851 pw.print(prefix); pw.print("passwordHistoryLength="); 852 pw.println(passwordHistoryLength); 853 pw.print(prefix); pw.print("minimumPasswordUpperCase="); 854 pw.println(minimumPasswordUpperCase); 855 pw.print(prefix); pw.print("minimumPasswordLowerCase="); 856 pw.println(minimumPasswordLowerCase); 857 pw.print(prefix); pw.print("minimumPasswordLetters="); 858 pw.println(minimumPasswordLetters); 859 pw.print(prefix); pw.print("minimumPasswordNumeric="); 860 pw.println(minimumPasswordNumeric); 861 pw.print(prefix); pw.print("minimumPasswordSymbols="); 862 pw.println(minimumPasswordSymbols); 863 pw.print(prefix); pw.print("minimumPasswordNonLetter="); 864 pw.println(minimumPasswordNonLetter); 865 pw.print(prefix); pw.print("maximumTimeToUnlock="); 866 pw.println(maximumTimeToUnlock); 867 pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); 868 pw.println(maximumFailedPasswordsForWipe); 869 pw.print(prefix); pw.print("specifiesGlobalProxy="); 870 pw.println(specifiesGlobalProxy); 871 pw.print(prefix); pw.print("passwordExpirationTimeout="); 872 pw.println(passwordExpirationTimeout); 873 pw.print(prefix); pw.print("passwordExpirationDate="); 874 pw.println(passwordExpirationDate); 875 if (globalProxySpec != null) { 876 pw.print(prefix); pw.print("globalProxySpec="); 877 pw.println(globalProxySpec); 878 } 879 if (globalProxyExclusionList != null) { 880 pw.print(prefix); pw.print("globalProxyEclusionList="); 881 pw.println(globalProxyExclusionList); 882 } 883 pw.print(prefix); pw.print("encryptionRequested="); 884 pw.println(encryptionRequested); 885 pw.print(prefix); pw.print("disableCamera="); 886 pw.println(disableCamera); 887 pw.print(prefix); pw.print("disableCallerId="); 888 pw.println(disableCallerId); 889 pw.print(prefix); pw.print("disableScreenCapture="); 890 pw.println(disableScreenCapture); 891 pw.print(prefix); pw.print("requireAutoTime="); 892 pw.println(requireAutoTime); 893 pw.print(prefix); pw.print("disabledKeyguardFeatures="); 894 pw.println(disabledKeyguardFeatures); 895 pw.print(prefix); pw.print("crossProfileWidgetProviders="); 896 pw.println(crossProfileWidgetProviders); 897 if (!(permittedAccessiblityServices == null)) { 898 pw.print(prefix); pw.print("permittedAccessibilityServices="); 899 pw.println(permittedAccessiblityServices.toString()); 900 } 901 if (!(permittedInputMethods == null)) { 902 pw.print(prefix); pw.print("permittedInputMethods="); 903 pw.println(permittedInputMethods.toString()); 904 } 905 } 906 } 907 908 private void handlePackagesChanged(String packageName, int userHandle) { 909 boolean removed = false; 910 if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); 911 DevicePolicyData policy = getUserData(userHandle); 912 IPackageManager pm = AppGlobals.getPackageManager(); 913 synchronized (this) { 914 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 915 ActiveAdmin aa = policy.mAdminList.get(i); 916 try { 917 // If we're checking all packages or if the specific one we're checking matches, 918 // then check if the package and receiver still exist. 919 final String adminPackage = aa.info.getPackageName(); 920 if (packageName == null || packageName.equals(adminPackage)) { 921 if (pm.getPackageInfo(adminPackage, 0, userHandle) == null 922 || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) 923 == null) { 924 removed = true; 925 policy.mAdminList.remove(i); 926 policy.mAdminMap.remove(aa.info.getComponent()); 927 } 928 } 929 } catch (RemoteException re) { 930 // Shouldn't happen 931 } 932 } 933 if (removed) { 934 validatePasswordOwnerLocked(policy); 935 syncDeviceCapabilitiesLocked(policy); 936 saveSettingsLocked(policy.mUserHandle); 937 } 938 } 939 } 940 941 /** 942 * Instantiates the service. 943 */ 944 public DevicePolicyManagerService(Context context) { 945 mContext = context; 946 mUserManager = UserManager.get(mContext); 947 mHasFeature = context.getPackageManager().hasSystemFeature( 948 PackageManager.FEATURE_DEVICE_ADMIN); 949 mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 950 mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class); 951 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); 952 mLocalService = new LocalService(); 953 if (!mHasFeature) { 954 // Skip the rest of the initialization 955 return; 956 } 957 IntentFilter filter = new IntentFilter(); 958 filter.addAction(Intent.ACTION_BOOT_COMPLETED); 959 filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); 960 filter.addAction(Intent.ACTION_USER_REMOVED); 961 filter.addAction(Intent.ACTION_USER_STARTED); 962 filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); 963 filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); 964 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 965 filter = new IntentFilter(); 966 filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 967 filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 968 filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 969 filter.addAction(Intent.ACTION_PACKAGE_ADDED); 970 filter.addDataScheme("package"); 971 context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); 972 973 LocalServices.addService(DevicePolicyManagerInternal.class, mLocalService); 974 } 975 976 /** 977 * Creates and loads the policy data from xml. 978 * @param userHandle the user for whom to load the policy data 979 * @return 980 */ 981 DevicePolicyData getUserData(int userHandle) { 982 synchronized (this) { 983 DevicePolicyData policy = mUserData.get(userHandle); 984 if (policy == null) { 985 policy = new DevicePolicyData(userHandle); 986 mUserData.append(userHandle, policy); 987 loadSettingsLocked(policy, userHandle); 988 } 989 return policy; 990 } 991 } 992 993 void removeUserData(int userHandle) { 994 synchronized (this) { 995 if (userHandle == UserHandle.USER_OWNER) { 996 Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); 997 return; 998 } 999 if (mDeviceOwner != null) { 1000 mDeviceOwner.removeProfileOwner(userHandle); 1001 mDeviceOwner.writeOwnerFile(); 1002 } 1003 1004 DevicePolicyData policy = mUserData.get(userHandle); 1005 if (policy != null) { 1006 mUserData.remove(userHandle); 1007 } 1008 File policyFile = new File(Environment.getUserSystemDirectory(userHandle), 1009 DEVICE_POLICIES_XML); 1010 policyFile.delete(); 1011 Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); 1012 } 1013 updateScreenCaptureDisabledInWindowManager(userHandle, false /* default value */); 1014 } 1015 1016 void loadDeviceOwner() { 1017 synchronized (this) { 1018 mDeviceOwner = DeviceOwner.load(); 1019 } 1020 } 1021 1022 /** 1023 * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration 1024 * reminders. Clears alarm if no expirations are configured. 1025 */ 1026 protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { 1027 final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); 1028 final long now = System.currentTimeMillis(); 1029 final long timeToExpire = expiration - now; 1030 final long alarmTime; 1031 if (expiration == 0) { 1032 // No expirations are currently configured: Cancel alarm. 1033 alarmTime = 0; 1034 } else if (timeToExpire <= 0) { 1035 // The password has already expired: Repeat every 24 hours. 1036 alarmTime = now + MS_PER_DAY; 1037 } else { 1038 // Selecting the next alarm time: Roll forward to the next 24 hour multiple before 1039 // the expiration time. 1040 long alarmInterval = timeToExpire % MS_PER_DAY; 1041 if (alarmInterval == 0) { 1042 alarmInterval = MS_PER_DAY; 1043 } 1044 alarmTime = now + alarmInterval; 1045 } 1046 1047 long token = Binder.clearCallingIdentity(); 1048 try { 1049 AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); 1050 PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, 1051 new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), 1052 PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, 1053 new UserHandle(policy.mUserHandle)); 1054 am.cancel(pi); 1055 if (alarmTime != 0) { 1056 am.set(AlarmManager.RTC, alarmTime, pi); 1057 } 1058 } finally { 1059 Binder.restoreCallingIdentity(token); 1060 } 1061 } 1062 1063 private IWindowManager getWindowManager() { 1064 if (mIWindowManager == null) { 1065 IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); 1066 mIWindowManager = IWindowManager.Stub.asInterface(b); 1067 } 1068 return mIWindowManager; 1069 } 1070 1071 private NotificationManager getNotificationManager() { 1072 if (mNotificationManager == null) { 1073 mNotificationManager = 1074 (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); 1075 } 1076 return mNotificationManager; 1077 } 1078 1079 ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { 1080 ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); 1081 if (admin != null 1082 && who.getPackageName().equals(admin.info.getActivityInfo().packageName) 1083 && who.getClassName().equals(admin.info.getActivityInfo().name)) { 1084 return admin; 1085 } 1086 return null; 1087 } 1088 1089 ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) 1090 throws SecurityException { 1091 final int callingUid = Binder.getCallingUid(); 1092 final int userHandle = UserHandle.getUserId(callingUid); 1093 final DevicePolicyData policy = getUserData(userHandle); 1094 1095 List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>(); 1096 1097 // Build a list of admins for this uid matching the given ComponentName 1098 if (who != null) { 1099 ActiveAdmin admin = policy.mAdminMap.get(who); 1100 if (admin == null) { 1101 throw new SecurityException("No active admin " + who); 1102 } 1103 if (admin.getUid() != callingUid) { 1104 throw new SecurityException("Admin " + who + " is not owned by uid " 1105 + Binder.getCallingUid()); 1106 } 1107 candidates.add(admin); 1108 } else { 1109 for (ActiveAdmin admin : policy.mAdminList) { 1110 if (admin.getUid() == callingUid) { 1111 candidates.add(admin); 1112 } 1113 } 1114 } 1115 1116 // Try to find an admin which can use reqPolicy 1117 for (ActiveAdmin admin : candidates) { 1118 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 1119 boolean ownsProfile = (getProfileOwner(userHandle) != null 1120 && getProfileOwner(userHandle).getPackageName() 1121 .equals(admin.info.getPackageName())); 1122 1123 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1124 if (ownsDevice) { 1125 return admin; 1126 } 1127 } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1128 if (ownsDevice || ownsProfile) { 1129 return admin; 1130 } 1131 } else { 1132 if (admin.info.usesPolicy(reqPolicy)) { 1133 return admin; 1134 } 1135 } 1136 } 1137 1138 if (who != null) { 1139 if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { 1140 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1141 + " does not own the device"); 1142 } 1143 if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { 1144 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1145 + " does not own the profile"); 1146 } 1147 throw new SecurityException("Admin " + candidates.get(0).info.getComponent() 1148 + " did not specify uses-policy for: " 1149 + candidates.get(0).info.getTagForPolicy(reqPolicy)); 1150 } else { 1151 throw new SecurityException("No active admin owned by uid " 1152 + Binder.getCallingUid() + " for policy #" + reqPolicy); 1153 } 1154 } 1155 1156 void sendAdminCommandLocked(ActiveAdmin admin, String action) { 1157 sendAdminCommandLocked(admin, action, null); 1158 } 1159 1160 void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { 1161 sendAdminCommandLocked(admin, action, null, result); 1162 } 1163 1164 /** 1165 * Send an update to one specific admin, get notified when that admin returns a result. 1166 */ 1167 void sendAdminCommandLocked(ActiveAdmin admin, String action, Bundle adminExtras, 1168 BroadcastReceiver result) { 1169 Intent intent = new Intent(action); 1170 intent.setComponent(admin.info.getComponent()); 1171 if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { 1172 intent.putExtra("expiration", admin.passwordExpirationDate); 1173 } 1174 if (adminExtras != null) { 1175 intent.putExtras(adminExtras); 1176 } 1177 if (result != null) { 1178 mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), 1179 null, result, mHandler, Activity.RESULT_OK, null, null); 1180 } else { 1181 mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); 1182 } 1183 } 1184 1185 /** 1186 * Send an update to all admins of a user that enforce a specified policy. 1187 */ 1188 void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { 1189 final DevicePolicyData policy = getUserData(userHandle); 1190 final int count = policy.mAdminList.size(); 1191 if (count > 0) { 1192 for (int i = 0; i < count; i++) { 1193 final ActiveAdmin admin = policy.mAdminList.get(i); 1194 if (admin.info.usesPolicy(reqPolicy)) { 1195 sendAdminCommandLocked(admin, action); 1196 } 1197 } 1198 } 1199 } 1200 1201 /** 1202 * Send an update intent to all admins of a user and its profiles. Only send to admins that 1203 * enforce a specified policy. 1204 */ 1205 private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, 1206 int userHandle) { 1207 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1208 for (UserInfo ui : profiles) { 1209 int id = ui.id; 1210 sendAdminCommandLocked(action, reqPolicy, id); 1211 } 1212 } 1213 1214 void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { 1215 final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1216 if (admin != null) { 1217 synchronized (this) { 1218 getUserData(userHandle).mRemovingAdmins.add(adminReceiver); 1219 } 1220 sendAdminCommandLocked(admin, 1221 DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, 1222 new BroadcastReceiver() { 1223 @Override 1224 public void onReceive(Context context, Intent intent) { 1225 synchronized (DevicePolicyManagerService.this) { 1226 int userHandle = admin.getUserHandle().getIdentifier(); 1227 DevicePolicyData policy = getUserData(userHandle); 1228 boolean doProxyCleanup = admin.info.usesPolicy( 1229 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 1230 policy.mAdminList.remove(admin); 1231 policy.mAdminMap.remove(adminReceiver); 1232 validatePasswordOwnerLocked(policy); 1233 syncDeviceCapabilitiesLocked(policy); 1234 if (doProxyCleanup) { 1235 resetGlobalProxyLocked(getUserData(userHandle)); 1236 } 1237 saveSettingsLocked(userHandle); 1238 updateMaximumTimeToLockLocked(policy); 1239 policy.mRemovingAdmins.remove(adminReceiver); 1240 } 1241 } 1242 }); 1243 } 1244 } 1245 1246 public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { 1247 if (!mHasFeature) { 1248 return null; 1249 } 1250 enforceCrossUserPermission(userHandle); 1251 Intent resolveIntent = new Intent(); 1252 resolveIntent.setComponent(adminName); 1253 List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( 1254 resolveIntent, 1255 PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 1256 userHandle); 1257 if (infos == null || infos.size() <= 0) { 1258 throw new IllegalArgumentException("Unknown admin: " + adminName); 1259 } 1260 1261 try { 1262 return new DeviceAdminInfo(mContext, infos.get(0)); 1263 } catch (XmlPullParserException e) { 1264 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1265 e); 1266 return null; 1267 } catch (IOException e) { 1268 Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, 1269 e); 1270 return null; 1271 } 1272 } 1273 1274 private static JournaledFile makeJournaledFile(int userHandle) { 1275 final String base = userHandle == 0 1276 ? "/data/system/" + DEVICE_POLICIES_XML 1277 : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) 1278 .getAbsolutePath(); 1279 return new JournaledFile(new File(base), new File(base + ".tmp")); 1280 } 1281 1282 private void saveSettingsLocked(int userHandle) { 1283 DevicePolicyData policy = getUserData(userHandle); 1284 JournaledFile journal = makeJournaledFile(userHandle); 1285 FileOutputStream stream = null; 1286 try { 1287 stream = new FileOutputStream(journal.chooseForWrite(), false); 1288 XmlSerializer out = new FastXmlSerializer(); 1289 out.setOutput(stream, "utf-8"); 1290 out.startDocument(null, true); 1291 1292 out.startTag(null, "policies"); 1293 if (policy.mRestrictionsProvider != null) { 1294 out.attribute(null, ATTR_PERMISSION_PROVIDER, 1295 policy.mRestrictionsProvider.flattenToString()); 1296 } 1297 if (policy.mUserSetupComplete) { 1298 out.attribute(null, ATTR_SETUP_COMPLETE, 1299 Boolean.toString(true)); 1300 } 1301 1302 final int N = policy.mAdminList.size(); 1303 for (int i=0; i<N; i++) { 1304 ActiveAdmin ap = policy.mAdminList.get(i); 1305 if (ap != null) { 1306 out.startTag(null, "admin"); 1307 out.attribute(null, "name", ap.info.getComponent().flattenToString()); 1308 ap.writeToXml(out); 1309 out.endTag(null, "admin"); 1310 } 1311 } 1312 1313 if (policy.mPasswordOwner >= 0) { 1314 out.startTag(null, "password-owner"); 1315 out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); 1316 out.endTag(null, "password-owner"); 1317 } 1318 1319 if (policy.mFailedPasswordAttempts != 0) { 1320 out.startTag(null, "failed-password-attempts"); 1321 out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); 1322 out.endTag(null, "failed-password-attempts"); 1323 } 1324 1325 if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 1326 || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 1327 || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 1328 || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { 1329 out.startTag(null, "active-password"); 1330 out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); 1331 out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); 1332 out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); 1333 out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); 1334 out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); 1335 out.attribute(null, "numeric", Integer 1336 .toString(policy.mActivePasswordNumeric)); 1337 out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); 1338 out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); 1339 out.endTag(null, "active-password"); 1340 } 1341 1342 for (int i=0; i<policy.mLockTaskPackages.size(); i++) { 1343 String component = policy.mLockTaskPackages.get(i); 1344 out.startTag(null, LOCK_TASK_COMPONENTS_XML); 1345 out.attribute(null, "name", component); 1346 out.endTag(null, LOCK_TASK_COMPONENTS_XML); 1347 } 1348 1349 out.endTag(null, "policies"); 1350 1351 out.endDocument(); 1352 stream.close(); 1353 journal.commit(); 1354 sendChangedNotification(userHandle); 1355 } catch (IOException e) { 1356 try { 1357 if (stream != null) { 1358 stream.close(); 1359 } 1360 } catch (IOException ex) { 1361 // Ignore 1362 } 1363 journal.rollback(); 1364 } 1365 } 1366 1367 private void sendChangedNotification(int userHandle) { 1368 Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); 1369 intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); 1370 long ident = Binder.clearCallingIdentity(); 1371 try { 1372 mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); 1373 } finally { 1374 Binder.restoreCallingIdentity(ident); 1375 } 1376 } 1377 1378 private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { 1379 JournaledFile journal = makeJournaledFile(userHandle); 1380 FileInputStream stream = null; 1381 File file = journal.chooseForRead(); 1382 try { 1383 stream = new FileInputStream(file); 1384 XmlPullParser parser = Xml.newPullParser(); 1385 parser.setInput(stream, null); 1386 1387 int type; 1388 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1389 && type != XmlPullParser.START_TAG) { 1390 } 1391 String tag = parser.getName(); 1392 if (!"policies".equals(tag)) { 1393 throw new XmlPullParserException( 1394 "Settings do not start with policies tag: found " + tag); 1395 } 1396 1397 // Extract the permission provider component name if available 1398 String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); 1399 if (permissionProvider != null) { 1400 policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); 1401 } 1402 String userSetupComplete = parser.getAttributeValue(null, ATTR_SETUP_COMPLETE); 1403 if (userSetupComplete != null && Boolean.toString(true).equals(userSetupComplete)) { 1404 policy.mUserSetupComplete = true; 1405 } 1406 1407 type = parser.next(); 1408 int outerDepth = parser.getDepth(); 1409 policy.mLockTaskPackages.clear(); 1410 policy.mAdminList.clear(); 1411 policy.mAdminMap.clear(); 1412 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1413 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 1414 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 1415 continue; 1416 } 1417 tag = parser.getName(); 1418 if ("admin".equals(tag)) { 1419 String name = parser.getAttributeValue(null, "name"); 1420 try { 1421 DeviceAdminInfo dai = findAdmin( 1422 ComponentName.unflattenFromString(name), userHandle); 1423 if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) 1424 != userHandle)) { 1425 Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " 1426 + dai.getActivityInfo().applicationInfo.uid + " for user " 1427 + userHandle); 1428 } 1429 if (dai != null) { 1430 ActiveAdmin ap = new ActiveAdmin(dai); 1431 ap.readFromXml(parser); 1432 policy.mAdminMap.put(ap.info.getComponent(), ap); 1433 } 1434 } catch (RuntimeException e) { 1435 Slog.w(LOG_TAG, "Failed loading admin " + name, e); 1436 } 1437 } else if ("failed-password-attempts".equals(tag)) { 1438 policy.mFailedPasswordAttempts = Integer.parseInt( 1439 parser.getAttributeValue(null, "value")); 1440 XmlUtils.skipCurrentTag(parser); 1441 } else if ("password-owner".equals(tag)) { 1442 policy.mPasswordOwner = Integer.parseInt( 1443 parser.getAttributeValue(null, "value")); 1444 XmlUtils.skipCurrentTag(parser); 1445 } else if ("active-password".equals(tag)) { 1446 policy.mActivePasswordQuality = Integer.parseInt( 1447 parser.getAttributeValue(null, "quality")); 1448 policy.mActivePasswordLength = Integer.parseInt( 1449 parser.getAttributeValue(null, "length")); 1450 policy.mActivePasswordUpperCase = Integer.parseInt( 1451 parser.getAttributeValue(null, "uppercase")); 1452 policy.mActivePasswordLowerCase = Integer.parseInt( 1453 parser.getAttributeValue(null, "lowercase")); 1454 policy.mActivePasswordLetters = Integer.parseInt( 1455 parser.getAttributeValue(null, "letters")); 1456 policy.mActivePasswordNumeric = Integer.parseInt( 1457 parser.getAttributeValue(null, "numeric")); 1458 policy.mActivePasswordSymbols = Integer.parseInt( 1459 parser.getAttributeValue(null, "symbols")); 1460 policy.mActivePasswordNonLetter = Integer.parseInt( 1461 parser.getAttributeValue(null, "nonletter")); 1462 XmlUtils.skipCurrentTag(parser); 1463 } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { 1464 policy.mLockTaskPackages.add(parser.getAttributeValue(null, "name")); 1465 XmlUtils.skipCurrentTag(parser); 1466 } else { 1467 Slog.w(LOG_TAG, "Unknown tag: " + tag); 1468 XmlUtils.skipCurrentTag(parser); 1469 } 1470 } 1471 } catch (NullPointerException e) { 1472 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1473 } catch (NumberFormatException e) { 1474 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1475 } catch (XmlPullParserException e) { 1476 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1477 } catch (FileNotFoundException e) { 1478 // Don't be noisy, this is normal if we haven't defined any policies. 1479 } catch (IOException e) { 1480 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1481 } catch (IndexOutOfBoundsException e) { 1482 Slog.w(LOG_TAG, "failed parsing " + file + " " + e); 1483 } 1484 try { 1485 if (stream != null) { 1486 stream.close(); 1487 } 1488 } catch (IOException e) { 1489 // Ignore 1490 } 1491 1492 // Generate a list of admins from the admin map 1493 policy.mAdminList.addAll(policy.mAdminMap.values()); 1494 1495 // Validate that what we stored for the password quality matches 1496 // sufficiently what is currently set. Note that this is only 1497 // a sanity check in case the two get out of sync; this should 1498 // never normally happen. 1499 LockPatternUtils utils = new LockPatternUtils(mContext); 1500 if (utils.getActivePasswordQuality() < policy.mActivePasswordQuality) { 1501 Slog.w(LOG_TAG, "Active password quality 0x" 1502 + Integer.toHexString(policy.mActivePasswordQuality) 1503 + " does not match actual quality 0x" 1504 + Integer.toHexString(utils.getActivePasswordQuality())); 1505 policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1506 policy.mActivePasswordLength = 0; 1507 policy.mActivePasswordUpperCase = 0; 1508 policy.mActivePasswordLowerCase = 0; 1509 policy.mActivePasswordLetters = 0; 1510 policy.mActivePasswordNumeric = 0; 1511 policy.mActivePasswordSymbols = 0; 1512 policy.mActivePasswordNonLetter = 0; 1513 } 1514 1515 validatePasswordOwnerLocked(policy); 1516 syncDeviceCapabilitiesLocked(policy); 1517 updateMaximumTimeToLockLocked(policy); 1518 } 1519 1520 static void validateQualityConstant(int quality) { 1521 switch (quality) { 1522 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: 1523 case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: 1524 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: 1525 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: 1526 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: 1527 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: 1528 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: 1529 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: 1530 return; 1531 } 1532 throw new IllegalArgumentException("Invalid quality constant: 0x" 1533 + Integer.toHexString(quality)); 1534 } 1535 1536 void validatePasswordOwnerLocked(DevicePolicyData policy) { 1537 if (policy.mPasswordOwner >= 0) { 1538 boolean haveOwner = false; 1539 for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { 1540 if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { 1541 haveOwner = true; 1542 break; 1543 } 1544 } 1545 if (!haveOwner) { 1546 Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner 1547 + " no longer active; disabling"); 1548 policy.mPasswordOwner = -1; 1549 } 1550 } 1551 } 1552 1553 /** 1554 * Pushes down policy information to the system for any policies related to general device 1555 * capabilities that need to be enforced by lower level services (e.g. Camera services). 1556 */ 1557 void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { 1558 // Ensure the status of the camera is synced down to the system. Interested native services 1559 // should monitor this value and act accordingly. 1560 boolean systemState = SystemProperties.getBoolean(SYSTEM_PROP_DISABLE_CAMERA, false); 1561 boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); 1562 if (cameraDisabled != systemState) { 1563 long token = Binder.clearCallingIdentity(); 1564 try { 1565 String value = cameraDisabled ? "1" : "0"; 1566 if (DBG) Slog.v(LOG_TAG, "Change in camera state [" 1567 + SYSTEM_PROP_DISABLE_CAMERA + "] = " + value); 1568 SystemProperties.set(SYSTEM_PROP_DISABLE_CAMERA, value); 1569 } finally { 1570 Binder.restoreCallingIdentity(token); 1571 } 1572 } 1573 } 1574 1575 public void systemReady() { 1576 if (!mHasFeature) { 1577 return; 1578 } 1579 getUserData(UserHandle.USER_OWNER); 1580 loadDeviceOwner(); 1581 cleanUpOldUsers(); 1582 // Register an observer for watching for user setup complete. 1583 new SetupContentObserver(mHandler).register(mContext.getContentResolver()); 1584 // Initialize the user setup state, to handle the upgrade case. 1585 updateUserSetupComplete(); 1586 1587 // Update the screen capture disabled cache in the window manager 1588 List<UserInfo> users = mUserManager.getUsers(true); 1589 final int N = users.size(); 1590 for (int i = 0; i < N; i++) { 1591 int userHandle = users.get(i).id; 1592 updateScreenCaptureDisabledInWindowManager(userHandle, 1593 getScreenCaptureDisabled(null, userHandle)); 1594 } 1595 1596 } 1597 1598 private void cleanUpOldUsers() { 1599 // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled 1600 // before reboot 1601 Set<Integer> usersWithProfileOwners; 1602 Set<Integer> usersWithData; 1603 synchronized(this) { 1604 usersWithProfileOwners = mDeviceOwner != null 1605 ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); 1606 usersWithData = new HashSet<Integer>(); 1607 for (int i = 0; i < mUserData.size(); i++) { 1608 usersWithData.add(mUserData.keyAt(i)); 1609 } 1610 } 1611 List<UserInfo> allUsers = mUserManager.getUsers(); 1612 1613 Set<Integer> deletedUsers = new HashSet<Integer>(); 1614 deletedUsers.addAll(usersWithProfileOwners); 1615 deletedUsers.addAll(usersWithData); 1616 for (UserInfo userInfo : allUsers) { 1617 deletedUsers.remove(userInfo.id); 1618 } 1619 for (Integer userId : deletedUsers) { 1620 removeUserData(userId); 1621 } 1622 } 1623 1624 private void handlePasswordExpirationNotification(int userHandle) { 1625 synchronized (this) { 1626 final long now = System.currentTimeMillis(); 1627 1628 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1629 for (UserInfo ui : profiles) { 1630 int profileUserHandle = ui.id; 1631 final DevicePolicyData policy = getUserData(profileUserHandle); 1632 final int count = policy.mAdminList.size(); 1633 if (count > 0) { 1634 for (int i = 0; i < count; i++) { 1635 final ActiveAdmin admin = policy.mAdminList.get(i); 1636 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) 1637 && admin.passwordExpirationTimeout > 0L 1638 && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS 1639 && admin.passwordExpirationDate > 0L) { 1640 sendAdminCommandLocked(admin, 1641 DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); 1642 } 1643 } 1644 } 1645 } 1646 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 1647 } 1648 } 1649 1650 private class MonitoringCertNotificationTask extends AsyncTask<Intent, Void, Void> { 1651 @Override 1652 protected Void doInBackground(Intent... params) { 1653 int userHandle = params[0].getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_ALL); 1654 1655 if (userHandle == UserHandle.USER_ALL) { 1656 for (UserInfo userInfo : mUserManager.getUsers()) { 1657 manageNotification(userInfo.getUserHandle()); 1658 } 1659 } else { 1660 manageNotification(new UserHandle(userHandle)); 1661 } 1662 return null; 1663 } 1664 1665 private void manageNotification(UserHandle userHandle) { 1666 if (!mUserManager.isUserRunning(userHandle)) { 1667 return; 1668 } 1669 1670 // Call out to KeyChain to check for user-added CAs 1671 boolean hasCert = false; 1672 try { 1673 KeyChainConnection kcs = KeyChain.bindAsUser(mContext, userHandle); 1674 try { 1675 if (!kcs.getService().getUserCaAliases().getList().isEmpty()) { 1676 hasCert = true; 1677 } 1678 } catch (RemoteException e) { 1679 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1680 } finally { 1681 kcs.close(); 1682 } 1683 } catch (InterruptedException e) { 1684 Thread.currentThread().interrupt(); 1685 } catch (RuntimeException e) { 1686 Log.e(LOG_TAG, "Could not connect to KeyChain service", e); 1687 } 1688 if (!hasCert) { 1689 getNotificationManager().cancelAsUser( 1690 null, MONITORING_CERT_NOTIFICATION_ID, userHandle); 1691 return; 1692 } 1693 1694 // Build and show a warning notification 1695 int smallIconId; 1696 String contentText; 1697 final String ownerName = getDeviceOwnerName(); 1698 if (isManagedProfile(userHandle.getIdentifier())) { 1699 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_administrator); 1700 smallIconId = R.drawable.stat_sys_certificate_info; 1701 } else if (ownerName != null) { 1702 contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, ownerName); 1703 smallIconId = R.drawable.stat_sys_certificate_info; 1704 } else { 1705 contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); 1706 smallIconId = android.R.drawable.stat_sys_warning; 1707 } 1708 1709 Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); 1710 dialogIntent.setFlags( 1711 Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 1712 dialogIntent.setPackage("com.android.settings"); 1713 PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, 1714 dialogIntent, PendingIntent.FLAG_UPDATE_CURRENT, null, userHandle); 1715 1716 final Context userContext; 1717 try { 1718 userContext = mContext.createPackageContextAsUser("android", 0, userHandle); 1719 } catch (PackageManager.NameNotFoundException e) { 1720 Log.e(LOG_TAG, "Create context as " + userHandle + " failed", e); 1721 return; 1722 } 1723 final Notification noti = new Notification.Builder(userContext) 1724 .setSmallIcon(smallIconId) 1725 .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) 1726 .setContentText(contentText) 1727 .setContentIntent(notifyIntent) 1728 .setPriority(Notification.PRIORITY_HIGH) 1729 .setShowWhen(false) 1730 .setColor(mContext.getResources().getColor( 1731 com.android.internal.R.color.system_notification_accent_color)) 1732 .build(); 1733 1734 getNotificationManager().notifyAsUser( 1735 null, MONITORING_CERT_NOTIFICATION_ID, noti, userHandle); 1736 } 1737 } 1738 1739 /** 1740 * @param adminReceiver The admin to add 1741 * @param refreshing true = update an active admin, no error 1742 */ 1743 public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { 1744 if (!mHasFeature) { 1745 return; 1746 } 1747 setActiveAdmin(adminReceiver, refreshing, userHandle, null); 1748 } 1749 1750 private void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle, 1751 Bundle onEnableData) { 1752 mContext.enforceCallingOrSelfPermission( 1753 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1754 enforceCrossUserPermission(userHandle); 1755 1756 DevicePolicyData policy = getUserData(userHandle); 1757 DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); 1758 if (info == null) { 1759 throw new IllegalArgumentException("Bad admin: " + adminReceiver); 1760 } 1761 synchronized (this) { 1762 long ident = Binder.clearCallingIdentity(); 1763 try { 1764 if (!refreshing 1765 && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { 1766 throw new IllegalArgumentException("Admin is already added"); 1767 } 1768 ActiveAdmin newAdmin = new ActiveAdmin(info); 1769 policy.mAdminMap.put(adminReceiver, newAdmin); 1770 int replaceIndex = -1; 1771 final int N = policy.mAdminList.size(); 1772 for (int i=0; i < N; i++) { 1773 ActiveAdmin oldAdmin = policy.mAdminList.get(i); 1774 if (oldAdmin.info.getComponent().equals(adminReceiver)) { 1775 replaceIndex = i; 1776 break; 1777 } 1778 } 1779 if (replaceIndex == -1) { 1780 policy.mAdminList.add(newAdmin); 1781 enableIfNecessary(info.getPackageName(), userHandle); 1782 } else { 1783 policy.mAdminList.set(replaceIndex, newAdmin); 1784 } 1785 saveSettingsLocked(userHandle); 1786 sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED, 1787 onEnableData, null); 1788 } finally { 1789 Binder.restoreCallingIdentity(ident); 1790 } 1791 } 1792 } 1793 1794 public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { 1795 if (!mHasFeature) { 1796 return false; 1797 } 1798 enforceCrossUserPermission(userHandle); 1799 synchronized (this) { 1800 return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; 1801 } 1802 } 1803 1804 @Override 1805 public boolean isRemovingAdmin(ComponentName adminReceiver, int userHandle) { 1806 if (!mHasFeature) { 1807 return false; 1808 } 1809 enforceCrossUserPermission(userHandle); 1810 synchronized (this) { 1811 DevicePolicyData policyData = getUserData(userHandle); 1812 return policyData.mRemovingAdmins.contains(adminReceiver); 1813 } 1814 } 1815 1816 public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { 1817 if (!mHasFeature) { 1818 return false; 1819 } 1820 enforceCrossUserPermission(userHandle); 1821 synchronized (this) { 1822 ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1823 if (administrator == null) { 1824 throw new SecurityException("No active admin " + adminReceiver); 1825 } 1826 return administrator.info.usesPolicy(policyId); 1827 } 1828 } 1829 1830 @SuppressWarnings("unchecked") 1831 public List<ComponentName> getActiveAdmins(int userHandle) { 1832 if (!mHasFeature) { 1833 return Collections.EMPTY_LIST; 1834 } 1835 1836 enforceCrossUserPermission(userHandle); 1837 synchronized (this) { 1838 DevicePolicyData policy = getUserData(userHandle); 1839 final int N = policy.mAdminList.size(); 1840 if (N <= 0) { 1841 return null; 1842 } 1843 ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); 1844 for (int i=0; i<N; i++) { 1845 res.add(policy.mAdminList.get(i).info.getComponent()); 1846 } 1847 return res; 1848 } 1849 } 1850 1851 public boolean packageHasActiveAdmins(String packageName, int userHandle) { 1852 if (!mHasFeature) { 1853 return false; 1854 } 1855 enforceCrossUserPermission(userHandle); 1856 synchronized (this) { 1857 DevicePolicyData policy = getUserData(userHandle); 1858 final int N = policy.mAdminList.size(); 1859 for (int i=0; i<N; i++) { 1860 if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { 1861 return true; 1862 } 1863 } 1864 return false; 1865 } 1866 } 1867 1868 public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { 1869 if (!mHasFeature) { 1870 return; 1871 } 1872 enforceCrossUserPermission(userHandle); 1873 synchronized (this) { 1874 ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); 1875 if (admin == null) { 1876 return; 1877 } 1878 if (admin.getUid() != Binder.getCallingUid()) { 1879 // If trying to remove device owner, refuse when the caller is not the owner. 1880 if (isDeviceOwner(adminReceiver.getPackageName())) { 1881 return; 1882 } 1883 mContext.enforceCallingOrSelfPermission( 1884 android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); 1885 } 1886 long ident = Binder.clearCallingIdentity(); 1887 try { 1888 removeActiveAdminLocked(adminReceiver, userHandle); 1889 } finally { 1890 Binder.restoreCallingIdentity(ident); 1891 } 1892 } 1893 } 1894 1895 public void setPasswordQuality(ComponentName who, int quality, int userHandle) { 1896 if (!mHasFeature) { 1897 return; 1898 } 1899 validateQualityConstant(quality); 1900 enforceCrossUserPermission(userHandle); 1901 1902 synchronized (this) { 1903 if (who == null) { 1904 throw new NullPointerException("ComponentName is null"); 1905 } 1906 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1907 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1908 if (ap.passwordQuality != quality) { 1909 ap.passwordQuality = quality; 1910 saveSettingsLocked(userHandle); 1911 } 1912 } 1913 } 1914 1915 public int getPasswordQuality(ComponentName who, int userHandle) { 1916 if (!mHasFeature) { 1917 return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1918 } 1919 enforceCrossUserPermission(userHandle); 1920 synchronized (this) { 1921 int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; 1922 1923 if (who != null) { 1924 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1925 return admin != null ? admin.passwordQuality : mode; 1926 } 1927 1928 // Return strictest policy for this user and profiles that are visible from this user. 1929 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1930 for (UserInfo userInfo : profiles) { 1931 DevicePolicyData policy = getUserData(userInfo.id); 1932 final int N = policy.mAdminList.size(); 1933 for (int i=0; i<N; i++) { 1934 ActiveAdmin admin = policy.mAdminList.get(i); 1935 if (mode < admin.passwordQuality) { 1936 mode = admin.passwordQuality; 1937 } 1938 } 1939 } 1940 return mode; 1941 } 1942 } 1943 1944 public void setPasswordMinimumLength(ComponentName who, int length, int userHandle) { 1945 if (!mHasFeature) { 1946 return; 1947 } 1948 enforceCrossUserPermission(userHandle); 1949 synchronized (this) { 1950 if (who == null) { 1951 throw new NullPointerException("ComponentName is null"); 1952 } 1953 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 1954 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 1955 if (ap.minimumPasswordLength != length) { 1956 ap.minimumPasswordLength = length; 1957 saveSettingsLocked(userHandle); 1958 } 1959 } 1960 } 1961 1962 public int getPasswordMinimumLength(ComponentName who, int userHandle) { 1963 if (!mHasFeature) { 1964 return 0; 1965 } 1966 enforceCrossUserPermission(userHandle); 1967 synchronized (this) { 1968 int length = 0; 1969 1970 if (who != null) { 1971 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 1972 return admin != null ? admin.minimumPasswordLength : length; 1973 } 1974 1975 // Return strictest policy for this user and profiles that are visible from this user. 1976 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 1977 for (UserInfo userInfo : profiles) { 1978 DevicePolicyData policy = getUserData(userInfo.id); 1979 final int N = policy.mAdminList.size(); 1980 for (int i=0; i<N; i++) { 1981 ActiveAdmin admin = policy.mAdminList.get(i); 1982 if (length < admin.minimumPasswordLength) { 1983 length = admin.minimumPasswordLength; 1984 } 1985 } 1986 } 1987 return length; 1988 } 1989 } 1990 1991 public void setPasswordHistoryLength(ComponentName who, int length, int userHandle) { 1992 if (!mHasFeature) { 1993 return; 1994 } 1995 enforceCrossUserPermission(userHandle); 1996 synchronized (this) { 1997 if (who == null) { 1998 throw new NullPointerException("ComponentName is null"); 1999 } 2000 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2001 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2002 if (ap.passwordHistoryLength != length) { 2003 ap.passwordHistoryLength = length; 2004 saveSettingsLocked(userHandle); 2005 } 2006 } 2007 } 2008 2009 public int getPasswordHistoryLength(ComponentName who, int userHandle) { 2010 if (!mHasFeature) { 2011 return 0; 2012 } 2013 enforceCrossUserPermission(userHandle); 2014 synchronized (this) { 2015 int length = 0; 2016 2017 if (who != null) { 2018 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2019 return admin != null ? admin.passwordHistoryLength : length; 2020 } 2021 2022 // Return strictest policy for this user and profiles that are visible from this user. 2023 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2024 for (UserInfo userInfo : profiles) { 2025 DevicePolicyData policy = getUserData(userInfo.id); 2026 final int N = policy.mAdminList.size(); 2027 for (int i = 0; i < N; i++) { 2028 ActiveAdmin admin = policy.mAdminList.get(i); 2029 if (length < admin.passwordHistoryLength) { 2030 length = admin.passwordHistoryLength; 2031 } 2032 } 2033 } 2034 return length; 2035 } 2036 } 2037 2038 public void setPasswordExpirationTimeout(ComponentName who, long timeout, int userHandle) { 2039 if (!mHasFeature) { 2040 return; 2041 } 2042 enforceCrossUserPermission(userHandle); 2043 synchronized (this) { 2044 if (who == null) { 2045 throw new NullPointerException("ComponentName is null"); 2046 } 2047 if (timeout < 0) { 2048 throw new IllegalArgumentException("Timeout must be >= 0 ms"); 2049 } 2050 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2051 DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); 2052 // Calling this API automatically bumps the expiration date 2053 final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 2054 ap.passwordExpirationDate = expiration; 2055 ap.passwordExpirationTimeout = timeout; 2056 if (timeout > 0L) { 2057 Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " 2058 + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) 2059 .format(new Date(expiration))); 2060 } 2061 saveSettingsLocked(userHandle); 2062 // in case this is the first one 2063 setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); 2064 } 2065 } 2066 2067 /** 2068 * Return a single admin's expiration cycle time, or the min of all cycle times. 2069 * Returns 0 if not configured. 2070 */ 2071 public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { 2072 if (!mHasFeature) { 2073 return 0L; 2074 } 2075 enforceCrossUserPermission(userHandle); 2076 synchronized (this) { 2077 long timeout = 0L; 2078 2079 if (who != null) { 2080 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2081 return admin != null ? admin.passwordExpirationTimeout : timeout; 2082 } 2083 2084 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2085 for (UserInfo userInfo : profiles) { 2086 DevicePolicyData policy = getUserData(userInfo.id); 2087 final int N = policy.mAdminList.size(); 2088 for (int i = 0; i < N; i++) { 2089 ActiveAdmin admin = policy.mAdminList.get(i); 2090 if (timeout == 0L || (admin.passwordExpirationTimeout != 0L 2091 && timeout > admin.passwordExpirationTimeout)) { 2092 timeout = admin.passwordExpirationTimeout; 2093 } 2094 } 2095 } 2096 return timeout; 2097 } 2098 } 2099 2100 @Override 2101 public boolean addCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2102 final int userId = UserHandle.getCallingUserId(); 2103 List<String> changedProviders = null; 2104 2105 synchronized (this) { 2106 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2107 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2108 if (activeAdmin.crossProfileWidgetProviders == null) { 2109 activeAdmin.crossProfileWidgetProviders = new ArrayList<>(); 2110 } 2111 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2112 if (!providers.contains(packageName)) { 2113 providers.add(packageName); 2114 changedProviders = new ArrayList<>(providers); 2115 saveSettingsLocked(userId); 2116 } 2117 } 2118 2119 if (changedProviders != null) { 2120 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2121 return true; 2122 } 2123 2124 return false; 2125 } 2126 2127 @Override 2128 public boolean removeCrossProfileWidgetProvider(ComponentName admin, String packageName) { 2129 final int userId = UserHandle.getCallingUserId(); 2130 List<String> changedProviders = null; 2131 2132 synchronized (this) { 2133 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2134 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2135 if (activeAdmin.crossProfileWidgetProviders == null) { 2136 return false; 2137 } 2138 List<String> providers = activeAdmin.crossProfileWidgetProviders; 2139 if (providers.remove(packageName)) { 2140 changedProviders = new ArrayList<>(providers); 2141 saveSettingsLocked(userId); 2142 } 2143 } 2144 2145 if (changedProviders != null) { 2146 mLocalService.notifyCrossProfileProvidersChanged(userId, changedProviders); 2147 return true; 2148 } 2149 2150 return false; 2151 } 2152 2153 @Override 2154 public List<String> getCrossProfileWidgetProviders(ComponentName admin) { 2155 synchronized (this) { 2156 ActiveAdmin activeAdmin = getActiveAdminForCallerLocked(admin, 2157 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2158 if (activeAdmin.crossProfileWidgetProviders == null 2159 || activeAdmin.crossProfileWidgetProviders.isEmpty()) { 2160 return null; 2161 } 2162 if (Binder.getCallingUid() == Process.myUid()) { 2163 return new ArrayList<>(activeAdmin.crossProfileWidgetProviders); 2164 } else { 2165 return activeAdmin.crossProfileWidgetProviders; 2166 } 2167 } 2168 } 2169 2170 /** 2171 * Return a single admin's expiration date/time, or the min (soonest) for all admins. 2172 * Returns 0 if not configured. 2173 */ 2174 private long getPasswordExpirationLocked(ComponentName who, int userHandle) { 2175 long timeout = 0L; 2176 2177 if (who != null) { 2178 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2179 return admin != null ? admin.passwordExpirationDate : timeout; 2180 } 2181 2182 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2183 for (UserInfo userInfo : profiles) { 2184 DevicePolicyData policy = getUserData(userInfo.id); 2185 final int N = policy.mAdminList.size(); 2186 for (int i = 0; i < N; i++) { 2187 ActiveAdmin admin = policy.mAdminList.get(i); 2188 if (timeout == 0L || (admin.passwordExpirationDate != 0 2189 && timeout > admin.passwordExpirationDate)) { 2190 timeout = admin.passwordExpirationDate; 2191 } 2192 } 2193 } 2194 return timeout; 2195 } 2196 2197 public long getPasswordExpiration(ComponentName who, int userHandle) { 2198 if (!mHasFeature) { 2199 return 0L; 2200 } 2201 enforceCrossUserPermission(userHandle); 2202 synchronized (this) { 2203 return getPasswordExpirationLocked(who, userHandle); 2204 } 2205 } 2206 2207 public void setPasswordMinimumUpperCase(ComponentName who, int length, int userHandle) { 2208 if (!mHasFeature) { 2209 return; 2210 } 2211 enforceCrossUserPermission(userHandle); 2212 synchronized (this) { 2213 if (who == null) { 2214 throw new NullPointerException("ComponentName is null"); 2215 } 2216 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2217 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2218 if (ap.minimumPasswordUpperCase != length) { 2219 ap.minimumPasswordUpperCase = length; 2220 saveSettingsLocked(userHandle); 2221 } 2222 } 2223 } 2224 2225 public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { 2226 if (!mHasFeature) { 2227 return 0; 2228 } 2229 enforceCrossUserPermission(userHandle); 2230 synchronized (this) { 2231 int length = 0; 2232 2233 if (who != null) { 2234 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2235 return admin != null ? admin.minimumPasswordUpperCase : length; 2236 } 2237 2238 // Return strictest policy for this user and profiles that are visible from this user. 2239 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2240 for (UserInfo userInfo : profiles) { 2241 DevicePolicyData policy = getUserData(userInfo.id); 2242 final int N = policy.mAdminList.size(); 2243 for (int i=0; i<N; i++) { 2244 ActiveAdmin admin = policy.mAdminList.get(i); 2245 if (length < admin.minimumPasswordUpperCase) { 2246 length = admin.minimumPasswordUpperCase; 2247 } 2248 } 2249 } 2250 return length; 2251 } 2252 } 2253 2254 public void setPasswordMinimumLowerCase(ComponentName who, int length, int userHandle) { 2255 enforceCrossUserPermission(userHandle); 2256 synchronized (this) { 2257 if (who == null) { 2258 throw new NullPointerException("ComponentName is null"); 2259 } 2260 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2261 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2262 if (ap.minimumPasswordLowerCase != length) { 2263 ap.minimumPasswordLowerCase = length; 2264 saveSettingsLocked(userHandle); 2265 } 2266 } 2267 } 2268 2269 public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { 2270 if (!mHasFeature) { 2271 return 0; 2272 } 2273 enforceCrossUserPermission(userHandle); 2274 synchronized (this) { 2275 int length = 0; 2276 2277 if (who != null) { 2278 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2279 return admin != null ? admin.minimumPasswordLowerCase : length; 2280 } 2281 2282 // Return strictest policy for this user and profiles that are visible from this user. 2283 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2284 for (UserInfo userInfo : profiles) { 2285 DevicePolicyData policy = getUserData(userInfo.id); 2286 final int N = policy.mAdminList.size(); 2287 for (int i=0; i<N; i++) { 2288 ActiveAdmin admin = policy.mAdminList.get(i); 2289 if (length < admin.minimumPasswordLowerCase) { 2290 length = admin.minimumPasswordLowerCase; 2291 } 2292 } 2293 } 2294 return length; 2295 } 2296 } 2297 2298 public void setPasswordMinimumLetters(ComponentName who, int length, int userHandle) { 2299 if (!mHasFeature) { 2300 return; 2301 } 2302 enforceCrossUserPermission(userHandle); 2303 synchronized (this) { 2304 if (who == null) { 2305 throw new NullPointerException("ComponentName is null"); 2306 } 2307 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2308 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2309 if (ap.minimumPasswordLetters != length) { 2310 ap.minimumPasswordLetters = length; 2311 saveSettingsLocked(userHandle); 2312 } 2313 } 2314 } 2315 2316 public int getPasswordMinimumLetters(ComponentName who, int userHandle) { 2317 if (!mHasFeature) { 2318 return 0; 2319 } 2320 enforceCrossUserPermission(userHandle); 2321 synchronized (this) { 2322 int length = 0; 2323 2324 if (who != null) { 2325 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2326 return admin != null ? admin.minimumPasswordLetters : length; 2327 } 2328 2329 // Return strictest policy for this user and profiles that are visible from this user. 2330 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2331 for (UserInfo userInfo : profiles) { 2332 DevicePolicyData policy = getUserData(userInfo.id); 2333 final int N = policy.mAdminList.size(); 2334 for (int i=0; i<N; i++) { 2335 ActiveAdmin admin = policy.mAdminList.get(i); 2336 if (length < admin.minimumPasswordLetters) { 2337 length = admin.minimumPasswordLetters; 2338 } 2339 } 2340 } 2341 return length; 2342 } 2343 } 2344 2345 public void setPasswordMinimumNumeric(ComponentName who, int length, int userHandle) { 2346 if (!mHasFeature) { 2347 return; 2348 } 2349 enforceCrossUserPermission(userHandle); 2350 synchronized (this) { 2351 if (who == null) { 2352 throw new NullPointerException("ComponentName is null"); 2353 } 2354 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2355 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2356 if (ap.minimumPasswordNumeric != length) { 2357 ap.minimumPasswordNumeric = length; 2358 saveSettingsLocked(userHandle); 2359 } 2360 } 2361 } 2362 2363 public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { 2364 if (!mHasFeature) { 2365 return 0; 2366 } 2367 enforceCrossUserPermission(userHandle); 2368 synchronized (this) { 2369 int length = 0; 2370 2371 if (who != null) { 2372 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2373 return admin != null ? admin.minimumPasswordNumeric : length; 2374 } 2375 2376 // Return strictest policy for this user and profiles that are visible from this user. 2377 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2378 for (UserInfo userInfo : profiles) { 2379 DevicePolicyData policy = getUserData(userInfo.id); 2380 final int N = policy.mAdminList.size(); 2381 for (int i = 0; i < N; i++) { 2382 ActiveAdmin admin = policy.mAdminList.get(i); 2383 if (length < admin.minimumPasswordNumeric) { 2384 length = admin.minimumPasswordNumeric; 2385 } 2386 } 2387 } 2388 return length; 2389 } 2390 } 2391 2392 public void setPasswordMinimumSymbols(ComponentName who, int length, int userHandle) { 2393 if (!mHasFeature) { 2394 return; 2395 } 2396 enforceCrossUserPermission(userHandle); 2397 synchronized (this) { 2398 if (who == null) { 2399 throw new NullPointerException("ComponentName is null"); 2400 } 2401 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2402 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2403 if (ap.minimumPasswordSymbols != length) { 2404 ap.minimumPasswordSymbols = length; 2405 saveSettingsLocked(userHandle); 2406 } 2407 } 2408 } 2409 2410 public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { 2411 if (!mHasFeature) { 2412 return 0; 2413 } 2414 enforceCrossUserPermission(userHandle); 2415 synchronized (this) { 2416 int length = 0; 2417 2418 if (who != null) { 2419 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2420 return admin != null ? admin.minimumPasswordSymbols : length; 2421 } 2422 2423 // Return strictest policy for this user and profiles that are visible from this user. 2424 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2425 for (UserInfo userInfo : profiles) { 2426 DevicePolicyData policy = getUserData(userInfo.id); 2427 final int N = policy.mAdminList.size(); 2428 for (int i=0; i<N; i++) { 2429 ActiveAdmin admin = policy.mAdminList.get(i); 2430 if (length < admin.minimumPasswordSymbols) { 2431 length = admin.minimumPasswordSymbols; 2432 } 2433 } 2434 } 2435 return length; 2436 } 2437 } 2438 2439 public void setPasswordMinimumNonLetter(ComponentName who, int length, int userHandle) { 2440 if (!mHasFeature) { 2441 return; 2442 } 2443 enforceCrossUserPermission(userHandle); 2444 synchronized (this) { 2445 if (who == null) { 2446 throw new NullPointerException("ComponentName is null"); 2447 } 2448 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2449 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2450 if (ap.minimumPasswordNonLetter != length) { 2451 ap.minimumPasswordNonLetter = length; 2452 saveSettingsLocked(userHandle); 2453 } 2454 } 2455 } 2456 2457 public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { 2458 if (!mHasFeature) { 2459 return 0; 2460 } 2461 enforceCrossUserPermission(userHandle); 2462 synchronized (this) { 2463 int length = 0; 2464 2465 if (who != null) { 2466 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2467 return admin != null ? admin.minimumPasswordNonLetter : length; 2468 } 2469 2470 // Return strictest policy for this user and profiles that are visible from this user. 2471 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2472 for (UserInfo userInfo : profiles) { 2473 DevicePolicyData policy = getUserData(userInfo.id); 2474 final int N = policy.mAdminList.size(); 2475 for (int i=0; i<N; i++) { 2476 ActiveAdmin admin = policy.mAdminList.get(i); 2477 if (length < admin.minimumPasswordNonLetter) { 2478 length = admin.minimumPasswordNonLetter; 2479 } 2480 } 2481 } 2482 return length; 2483 } 2484 } 2485 2486 public boolean isActivePasswordSufficient(int userHandle) { 2487 if (!mHasFeature) { 2488 return true; 2489 } 2490 enforceCrossUserPermission(userHandle); 2491 2492 synchronized (this) { 2493 2494 // The active password is stored in the user that runs the launcher 2495 // If the user this is called from is part of a profile group, that is the parent 2496 // of the group. 2497 UserInfo parent = getProfileParent(userHandle); 2498 int id = parent == null ? userHandle : parent.id; 2499 DevicePolicyData policy = getUserData(id); 2500 2501 // This API can only be called by an active device admin, 2502 // so try to retrieve it to check that the caller is one. 2503 getActiveAdminForCallerLocked(null, 2504 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); 2505 if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) 2506 || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { 2507 return false; 2508 } 2509 if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2510 return true; 2511 } 2512 return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) 2513 && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) 2514 && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) 2515 && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) 2516 && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) 2517 && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); 2518 } 2519 } 2520 2521 public int getCurrentFailedPasswordAttempts(int userHandle) { 2522 synchronized (this) { 2523 // This API can only be called by an active device admin, 2524 // so try to retrieve it to check that the caller is one. 2525 getActiveAdminForCallerLocked(null, 2526 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2527 2528 // The active password is stored in the parent. 2529 DevicePolicyData policy = getUserData(getProfileParent(userHandle).id); 2530 2531 return policy.mFailedPasswordAttempts; 2532 } 2533 } 2534 2535 public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, int userHandle) { 2536 if (!mHasFeature) { 2537 return; 2538 } 2539 enforceCrossUserPermission(userHandle); 2540 synchronized (this) { 2541 if (who == null) { 2542 throw new NullPointerException("ComponentName is null"); 2543 } 2544 // This API can only be called by an active device admin, 2545 // so try to retrieve it to check that the caller is one. 2546 getActiveAdminForCallerLocked(who, 2547 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2548 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2549 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); 2550 if (ap.maximumFailedPasswordsForWipe != num) { 2551 ap.maximumFailedPasswordsForWipe = num; 2552 saveSettingsLocked(userHandle); 2553 } 2554 } 2555 } 2556 2557 @Override 2558 public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { 2559 if (!mHasFeature) { 2560 return 0; 2561 } 2562 enforceCrossUserPermission(userHandle); 2563 synchronized (this) { 2564 ActiveAdmin admin = (who != null) ? getActiveAdminUncheckedLocked(who, userHandle) 2565 : getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2566 return admin != null ? admin.maximumFailedPasswordsForWipe : 0; 2567 } 2568 } 2569 2570 @Override 2571 public int getProfileWithMinimumFailedPasswordsForWipe(int userHandle) { 2572 if (!mHasFeature) { 2573 return UserHandle.USER_NULL; 2574 } 2575 enforceCrossUserPermission(userHandle); 2576 synchronized (this) { 2577 ActiveAdmin admin = getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 2578 return admin != null ? admin.getUserHandle().getIdentifier() : UserHandle.USER_NULL; 2579 } 2580 } 2581 2582 /** 2583 * Returns the admin with the strictest policy on maximum failed passwords for this user and all 2584 * profiles that are visible from this user. If the policy for the primary and any other profile 2585 * are equal, it returns the admin for the primary profile. 2586 * Returns {@code null} if none of them have that policy set. 2587 */ 2588 private ActiveAdmin getAdminWithMinimumFailedPasswordsForWipeLocked(int userHandle) { 2589 int count = 0; 2590 ActiveAdmin strictestAdmin = null; 2591 for (UserInfo userInfo : mUserManager.getProfiles(userHandle)) { 2592 DevicePolicyData policy = getUserData(userInfo.id); 2593 for (ActiveAdmin admin : policy.mAdminList) { 2594 if (admin.maximumFailedPasswordsForWipe == 2595 ActiveAdmin.DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { 2596 continue; // No max number of failed passwords policy set for this profile. 2597 } 2598 2599 // We always favor the primary profile if several profiles have the same value set. 2600 if (count == 0 || 2601 count > admin.maximumFailedPasswordsForWipe || 2602 (userInfo.isPrimary() && count >= admin.maximumFailedPasswordsForWipe)) { 2603 count = admin.maximumFailedPasswordsForWipe; 2604 strictestAdmin = admin; 2605 } 2606 } 2607 } 2608 return strictestAdmin; 2609 } 2610 2611 public boolean resetPassword(String passwordOrNull, int flags, int userHandle) { 2612 if (!mHasFeature) { 2613 return false; 2614 } 2615 enforceCrossUserPermission(userHandle); 2616 enforceNotManagedProfile(userHandle, "reset the password"); 2617 2618 String password = passwordOrNull != null ? passwordOrNull : ""; 2619 2620 int quality; 2621 synchronized (this) { 2622 // This api can only be called by an active device admin, 2623 // so try to retrieve it to check that the caller is one. 2624 getActiveAdminForCallerLocked(null, 2625 DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); 2626 quality = getPasswordQuality(null, userHandle); 2627 if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { 2628 int realQuality = LockPatternUtils.computePasswordQuality(password); 2629 if (realQuality < quality 2630 && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2631 Slog.w(LOG_TAG, "resetPassword: password quality 0x" 2632 + Integer.toHexString(realQuality) 2633 + " does not meet required quality 0x" 2634 + Integer.toHexString(quality)); 2635 return false; 2636 } 2637 quality = Math.max(realQuality, quality); 2638 } 2639 int length = getPasswordMinimumLength(null, userHandle); 2640 if (password.length() < length) { 2641 Slog.w(LOG_TAG, "resetPassword: password length " + password.length() 2642 + " does not meet required length " + length); 2643 return false; 2644 } 2645 if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { 2646 int letters = 0; 2647 int uppercase = 0; 2648 int lowercase = 0; 2649 int numbers = 0; 2650 int symbols = 0; 2651 int nonletter = 0; 2652 for (int i = 0; i < password.length(); i++) { 2653 char c = password.charAt(i); 2654 if (c >= 'A' && c <= 'Z') { 2655 letters++; 2656 uppercase++; 2657 } else if (c >= 'a' && c <= 'z') { 2658 letters++; 2659 lowercase++; 2660 } else if (c >= '0' && c <= '9') { 2661 numbers++; 2662 nonletter++; 2663 } else { 2664 symbols++; 2665 nonletter++; 2666 } 2667 } 2668 int neededLetters = getPasswordMinimumLetters(null, userHandle); 2669 if(letters < neededLetters) { 2670 Slog.w(LOG_TAG, "resetPassword: number of letters " + letters 2671 + " does not meet required number of letters " + neededLetters); 2672 return false; 2673 } 2674 int neededNumbers = getPasswordMinimumNumeric(null, userHandle); 2675 if (numbers < neededNumbers) { 2676 Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers 2677 + " does not meet required number of numerical digits " 2678 + neededNumbers); 2679 return false; 2680 } 2681 int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); 2682 if (lowercase < neededLowerCase) { 2683 Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase 2684 + " does not meet required number of lowercase letters " 2685 + neededLowerCase); 2686 return false; 2687 } 2688 int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); 2689 if (uppercase < neededUpperCase) { 2690 Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase 2691 + " does not meet required number of uppercase letters " 2692 + neededUpperCase); 2693 return false; 2694 } 2695 int neededSymbols = getPasswordMinimumSymbols(null, userHandle); 2696 if (symbols < neededSymbols) { 2697 Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols 2698 + " does not meet required number of special symbols " + neededSymbols); 2699 return false; 2700 } 2701 int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); 2702 if (nonletter < neededNonLetter) { 2703 Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter 2704 + " does not meet required number of non-letter characters " 2705 + neededNonLetter); 2706 return false; 2707 } 2708 } 2709 } 2710 2711 int callingUid = Binder.getCallingUid(); 2712 DevicePolicyData policy = getUserData(userHandle); 2713 if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { 2714 Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); 2715 return false; 2716 } 2717 2718 // Don't do this with the lock held, because it is going to call 2719 // back in to the service. 2720 long ident = Binder.clearCallingIdentity(); 2721 try { 2722 LockPatternUtils utils = new LockPatternUtils(mContext); 2723 if (!TextUtils.isEmpty(password)) { 2724 utils.saveLockPassword(password, quality, false, userHandle); 2725 } else { 2726 utils.clearLock(false, userHandle); 2727 } 2728 boolean requireEntry = (flags & DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) != 0; 2729 if (requireEntry) { 2730 utils.requireCredentialEntry(UserHandle.USER_ALL); 2731 } 2732 synchronized (this) { 2733 int newOwner = requireEntry ? callingUid : -1; 2734 if (policy.mPasswordOwner != newOwner) { 2735 policy.mPasswordOwner = newOwner; 2736 saveSettingsLocked(userHandle); 2737 } 2738 } 2739 } finally { 2740 Binder.restoreCallingIdentity(ident); 2741 } 2742 2743 return true; 2744 } 2745 2746 public void setMaximumTimeToLock(ComponentName who, long timeMs, int userHandle) { 2747 if (!mHasFeature) { 2748 return; 2749 } 2750 enforceCrossUserPermission(userHandle); 2751 synchronized (this) { 2752 if (who == null) { 2753 throw new NullPointerException("ComponentName is null"); 2754 } 2755 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 2756 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2757 if (ap.maximumTimeToUnlock != timeMs) { 2758 ap.maximumTimeToUnlock = timeMs; 2759 saveSettingsLocked(userHandle); 2760 updateMaximumTimeToLockLocked(getUserData(userHandle)); 2761 } 2762 } 2763 } 2764 2765 void updateMaximumTimeToLockLocked(DevicePolicyData policy) { 2766 long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); 2767 if (policy.mLastMaximumTimeToLock == timeMs) { 2768 return; 2769 } 2770 2771 long ident = Binder.clearCallingIdentity(); 2772 try { 2773 if (timeMs <= 0) { 2774 timeMs = Integer.MAX_VALUE; 2775 } else { 2776 // Make sure KEEP_SCREEN_ON is disabled, since that 2777 // would allow bypassing of the maximum time to lock. 2778 Settings.Global.putInt(mContext.getContentResolver(), 2779 Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); 2780 } 2781 2782 policy.mLastMaximumTimeToLock = timeMs; 2783 mPowerManagerInternal.setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); 2784 } finally { 2785 Binder.restoreCallingIdentity(ident); 2786 } 2787 } 2788 2789 public long getMaximumTimeToLock(ComponentName who, int userHandle) { 2790 if (!mHasFeature) { 2791 return 0; 2792 } 2793 enforceCrossUserPermission(userHandle); 2794 synchronized (this) { 2795 long time = 0; 2796 2797 if (who != null) { 2798 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 2799 return admin != null ? admin.maximumTimeToUnlock : time; 2800 } 2801 2802 // Return strictest policy for this user and profiles that are visible from this user. 2803 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 2804 for (UserInfo userInfo : profiles) { 2805 DevicePolicyData policy = getUserData(userInfo.id); 2806 final int N = policy.mAdminList.size(); 2807 for (int i=0; i<N; i++) { 2808 ActiveAdmin admin = policy.mAdminList.get(i); 2809 if (time == 0) { 2810 time = admin.maximumTimeToUnlock; 2811 } else if (admin.maximumTimeToUnlock != 0 2812 && time > admin.maximumTimeToUnlock) { 2813 time = admin.maximumTimeToUnlock; 2814 } 2815 } 2816 } 2817 return time; 2818 } 2819 } 2820 2821 public void lockNow() { 2822 if (!mHasFeature) { 2823 return; 2824 } 2825 synchronized (this) { 2826 // This API can only be called by an active device admin, 2827 // so try to retrieve it to check that the caller is one. 2828 getActiveAdminForCallerLocked(null, 2829 DeviceAdminInfo.USES_POLICY_FORCE_LOCK); 2830 lockNowUnchecked(); 2831 } 2832 } 2833 2834 private void lockNowUnchecked() { 2835 long ident = Binder.clearCallingIdentity(); 2836 try { 2837 // Power off the display 2838 mPowerManager.goToSleep(SystemClock.uptimeMillis(), 2839 PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); 2840 // Ensure the device is locked 2841 new LockPatternUtils(mContext).requireCredentialEntry(UserHandle.USER_ALL); 2842 getWindowManager().lockNow(null); 2843 } catch (RemoteException e) { 2844 } finally { 2845 Binder.restoreCallingIdentity(ident); 2846 } 2847 } 2848 2849 private boolean isExtStorageEncrypted() { 2850 String state = SystemProperties.get("vold.decrypt"); 2851 return !"".equals(state); 2852 } 2853 2854 @Override 2855 public void enforceCanManageCaCerts(ComponentName who) { 2856 if (who == null) { 2857 mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); 2858 } else { 2859 synchronized (this) { 2860 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2861 } 2862 } 2863 } 2864 2865 @Override 2866 public boolean installCaCert(ComponentName admin, byte[] certBuffer) throws RemoteException { 2867 enforceCanManageCaCerts(admin); 2868 2869 byte[] pemCert; 2870 try { 2871 X509Certificate cert = parseCert(certBuffer); 2872 pemCert = Credentials.convertToPem(cert); 2873 } catch (CertificateException ce) { 2874 Log.e(LOG_TAG, "Problem converting cert", ce); 2875 return false; 2876 } catch (IOException ioe) { 2877 Log.e(LOG_TAG, "Problem reading cert", ioe); 2878 return false; 2879 } 2880 2881 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2882 final long id = Binder.clearCallingIdentity(); 2883 try { 2884 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2885 try { 2886 keyChainConnection.getService().installCaCertificate(pemCert); 2887 return true; 2888 } catch (RemoteException e) { 2889 Log.e(LOG_TAG, "installCaCertsToKeyChain(): ", e); 2890 } finally { 2891 keyChainConnection.close(); 2892 } 2893 } catch (InterruptedException e1) { 2894 Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); 2895 Thread.currentThread().interrupt(); 2896 } finally { 2897 Binder.restoreCallingIdentity(id); 2898 } 2899 return false; 2900 } 2901 2902 private static X509Certificate parseCert(byte[] certBuffer) throws CertificateException { 2903 CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); 2904 return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( 2905 certBuffer)); 2906 } 2907 2908 @Override 2909 public void uninstallCaCert(ComponentName admin, String alias) { 2910 enforceCanManageCaCerts(admin); 2911 2912 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2913 final long id = Binder.clearCallingIdentity(); 2914 try { 2915 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2916 try { 2917 keyChainConnection.getService().deleteCaCertificate(alias); 2918 } catch (RemoteException e) { 2919 Log.e(LOG_TAG, "from CaCertUninstaller: ", e); 2920 } finally { 2921 keyChainConnection.close(); 2922 } 2923 } catch (InterruptedException ie) { 2924 Log.w(LOG_TAG, "CaCertUninstaller: ", ie); 2925 Thread.currentThread().interrupt(); 2926 } finally { 2927 Binder.restoreCallingIdentity(id); 2928 } 2929 } 2930 2931 @Override 2932 public boolean installKeyPair(ComponentName who, byte[] privKey, byte[] cert, String alias) { 2933 if (who == null) { 2934 throw new NullPointerException("ComponentName is null"); 2935 } 2936 synchronized (this) { 2937 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 2938 } 2939 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 2940 final long id = Binder.clearCallingIdentity(); 2941 try { 2942 final KeyChainConnection keyChainConnection = KeyChain.bindAsUser(mContext, userHandle); 2943 try { 2944 IKeyChainService keyChain = keyChainConnection.getService(); 2945 return keyChain.installKeyPair(privKey, cert, alias); 2946 } catch (RemoteException e) { 2947 Log.e(LOG_TAG, "Installing certificate", e); 2948 } finally { 2949 keyChainConnection.close(); 2950 } 2951 } catch (InterruptedException e) { 2952 Log.w(LOG_TAG, "Interrupted while installing certificate", e); 2953 Thread.currentThread().interrupt(); 2954 } finally { 2955 Binder.restoreCallingIdentity(id); 2956 } 2957 return false; 2958 } 2959 2960 private void wipeDataLocked(boolean wipeExtRequested, String reason) { 2961 // If the SD card is encrypted and non-removable, we have to force a wipe. 2962 boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); 2963 2964 // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. 2965 if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { 2966 Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); 2967 intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); 2968 intent.putExtra(Intent.EXTRA_REASON, reason); 2969 intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); 2970 mWakeLock.acquire(10000); 2971 mContext.startService(intent); 2972 } else { 2973 try { 2974 RecoverySystem.rebootWipeUserData(mContext, reason); 2975 } catch (IOException | SecurityException e) { 2976 Slog.w(LOG_TAG, "Failed requesting data wipe", e); 2977 } 2978 } 2979 } 2980 2981 @Override 2982 public void wipeData(int flags, final int userHandle) { 2983 if (!mHasFeature) { 2984 return; 2985 } 2986 enforceCrossUserPermission(userHandle); 2987 synchronized (this) { 2988 // This API can only be called by an active device admin, 2989 // so try to retrieve it to check that the caller is one. 2990 final ActiveAdmin admin = getActiveAdminForCallerLocked(null, 2991 DeviceAdminInfo.USES_POLICY_WIPE_DATA); 2992 2993 final String source; 2994 final ComponentName cname = admin.info.getComponent(); 2995 if (cname != null) { 2996 source = cname.flattenToShortString(); 2997 } else { 2998 source = admin.info.getPackageName(); 2999 } 3000 3001 long ident = Binder.clearCallingIdentity(); 3002 try { 3003 if ((flags & WIPE_RESET_PROTECTION_DATA) != 0) { 3004 if (userHandle != UserHandle.USER_OWNER 3005 || !isDeviceOwner(admin.info.getPackageName())) { 3006 throw new SecurityException( 3007 "Only device owner admins can set WIPE_RESET_PROTECTION_DATA"); 3008 } 3009 PersistentDataBlockManager manager = (PersistentDataBlockManager) 3010 mContext.getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE); 3011 manager.wipe(); 3012 } 3013 boolean wipeExtRequested = (flags & WIPE_EXTERNAL_STORAGE) != 0; 3014 wipeDeviceOrUserLocked(wipeExtRequested, userHandle, 3015 "DevicePolicyManager.wipeData() from " + source); 3016 } finally { 3017 Binder.restoreCallingIdentity(ident); 3018 } 3019 } 3020 } 3021 3022 private void wipeDeviceOrUserLocked(boolean wipeExtRequested, final int userHandle, String reason) { 3023 if (userHandle == UserHandle.USER_OWNER) { 3024 wipeDataLocked(wipeExtRequested, reason); 3025 } else { 3026 mHandler.post(new Runnable() { 3027 public void run() { 3028 try { 3029 ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER); 3030 if (!mUserManager.removeUser(userHandle)) { 3031 Slog.w(LOG_TAG, "Couldn't remove user " + userHandle); 3032 } 3033 } catch (RemoteException re) { 3034 // Shouldn't happen 3035 } 3036 } 3037 }); 3038 } 3039 } 3040 3041 public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { 3042 if (!mHasFeature) { 3043 return; 3044 } 3045 enforceCrossUserPermission(userHandle); 3046 mContext.enforceCallingOrSelfPermission( 3047 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3048 3049 synchronized (this) { 3050 ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); 3051 if (admin == null) { 3052 try { 3053 result.sendResult(null); 3054 } catch (RemoteException e) { 3055 } 3056 return; 3057 } 3058 Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); 3059 intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); 3060 intent.setComponent(admin.info.getComponent()); 3061 mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), 3062 null, new BroadcastReceiver() { 3063 @Override 3064 public void onReceive(Context context, Intent intent) { 3065 try { 3066 result.sendResult(getResultExtras(false)); 3067 } catch (RemoteException e) { 3068 } 3069 } 3070 }, null, Activity.RESULT_OK, null, null); 3071 } 3072 } 3073 3074 public void setActivePasswordState(int quality, int length, int letters, int uppercase, 3075 int lowercase, int numbers, int symbols, int nonletter, int userHandle) { 3076 if (!mHasFeature) { 3077 return; 3078 } 3079 enforceCrossUserPermission(userHandle); 3080 enforceNotManagedProfile(userHandle, "set the active password"); 3081 3082 mContext.enforceCallingOrSelfPermission( 3083 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3084 DevicePolicyData p = getUserData(userHandle); 3085 3086 validateQualityConstant(quality); 3087 3088 synchronized (this) { 3089 if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length 3090 || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters 3091 || p.mActivePasswordUpperCase != uppercase 3092 || p.mActivePasswordLowerCase != lowercase 3093 || p.mActivePasswordNumeric != numbers 3094 || p.mActivePasswordSymbols != symbols 3095 || p.mActivePasswordNonLetter != nonletter) { 3096 long ident = Binder.clearCallingIdentity(); 3097 try { 3098 p.mActivePasswordQuality = quality; 3099 p.mActivePasswordLength = length; 3100 p.mActivePasswordLetters = letters; 3101 p.mActivePasswordLowerCase = lowercase; 3102 p.mActivePasswordUpperCase = uppercase; 3103 p.mActivePasswordNumeric = numbers; 3104 p.mActivePasswordSymbols = symbols; 3105 p.mActivePasswordNonLetter = nonletter; 3106 p.mFailedPasswordAttempts = 0; 3107 saveSettingsLocked(userHandle); 3108 updatePasswordExpirationsLocked(userHandle); 3109 setExpirationAlarmCheckLocked(mContext, p); 3110 sendAdminCommandToSelfAndProfilesLocked( 3111 DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, 3112 DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); 3113 } finally { 3114 Binder.restoreCallingIdentity(ident); 3115 } 3116 } 3117 } 3118 } 3119 3120 /** 3121 * Called any time the device password is updated. Resets all password expiration clocks. 3122 */ 3123 private void updatePasswordExpirationsLocked(int userHandle) { 3124 List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 3125 for (UserInfo userInfo : profiles) { 3126 int profileId = userInfo.id; 3127 DevicePolicyData policy = getUserData(profileId); 3128 final int N = policy.mAdminList.size(); 3129 if (N > 0) { 3130 for (int i=0; i<N; i++) { 3131 ActiveAdmin admin = policy.mAdminList.get(i); 3132 if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { 3133 long timeout = admin.passwordExpirationTimeout; 3134 long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; 3135 admin.passwordExpirationDate = expiration; 3136 } 3137 } 3138 } 3139 saveSettingsLocked(profileId); 3140 } 3141 } 3142 3143 public void reportFailedPasswordAttempt(int userHandle) { 3144 enforceCrossUserPermission(userHandle); 3145 enforceNotManagedProfile(userHandle, "report failed password attempt"); 3146 mContext.enforceCallingOrSelfPermission( 3147 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3148 3149 long ident = Binder.clearCallingIdentity(); 3150 try { 3151 boolean wipeData = false; 3152 int identifier = 0; 3153 synchronized (this) { 3154 DevicePolicyData policy = getUserData(userHandle); 3155 policy.mFailedPasswordAttempts++; 3156 saveSettingsLocked(userHandle); 3157 if (mHasFeature) { 3158 ActiveAdmin strictestAdmin = 3159 getAdminWithMinimumFailedPasswordsForWipeLocked(userHandle); 3160 int max = strictestAdmin != null 3161 ? strictestAdmin.maximumFailedPasswordsForWipe : 0; 3162 if (max > 0 && policy.mFailedPasswordAttempts >= max) { 3163 // Wipe the user/profile associated with the policy that was violated. This 3164 // is not necessarily calling user: if the policy that fired was from a 3165 // managed profile rather than the main user profile, we wipe former only. 3166 wipeData = true; 3167 identifier = strictestAdmin.getUserHandle().getIdentifier(); 3168 } 3169 sendAdminCommandToSelfAndProfilesLocked( 3170 DeviceAdminReceiver.ACTION_PASSWORD_FAILED, 3171 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3172 } 3173 } 3174 if (wipeData) { 3175 // Call without holding lock. 3176 wipeDeviceOrUserLocked(false, identifier, 3177 "reportFailedPasswordAttempt()"); 3178 } 3179 } finally { 3180 Binder.restoreCallingIdentity(ident); 3181 } 3182 } 3183 3184 public void reportSuccessfulPasswordAttempt(int userHandle) { 3185 enforceCrossUserPermission(userHandle); 3186 mContext.enforceCallingOrSelfPermission( 3187 android.Manifest.permission.BIND_DEVICE_ADMIN, null); 3188 3189 synchronized (this) { 3190 DevicePolicyData policy = getUserData(userHandle); 3191 if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { 3192 long ident = Binder.clearCallingIdentity(); 3193 try { 3194 policy.mFailedPasswordAttempts = 0; 3195 policy.mPasswordOwner = -1; 3196 saveSettingsLocked(userHandle); 3197 if (mHasFeature) { 3198 sendAdminCommandToSelfAndProfilesLocked( 3199 DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, 3200 DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); 3201 } 3202 } finally { 3203 Binder.restoreCallingIdentity(ident); 3204 } 3205 } 3206 } 3207 } 3208 3209 public ComponentName setGlobalProxy(ComponentName who, String proxySpec, 3210 String exclusionList, int userHandle) { 3211 if (!mHasFeature) { 3212 return null; 3213 } 3214 enforceCrossUserPermission(userHandle); 3215 synchronized(this) { 3216 if (who == null) { 3217 throw new NullPointerException("ComponentName is null"); 3218 } 3219 3220 // Only check if owner has set global proxy. We don't allow other users to set it. 3221 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3222 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3223 DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); 3224 3225 // Scan through active admins and find if anyone has already 3226 // set the global proxy. 3227 Set<ComponentName> compSet = policy.mAdminMap.keySet(); 3228 for (ComponentName component : compSet) { 3229 ActiveAdmin ap = policy.mAdminMap.get(component); 3230 if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { 3231 // Another admin already sets the global proxy 3232 // Return it to the caller. 3233 return component; 3234 } 3235 } 3236 3237 // If the user is not the owner, don't set the global proxy. Fail silently. 3238 if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3239 Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " 3240 + userHandle + " is not permitted."); 3241 return null; 3242 } 3243 if (proxySpec == null) { 3244 admin.specifiesGlobalProxy = false; 3245 admin.globalProxySpec = null; 3246 admin.globalProxyExclusionList = null; 3247 } else { 3248 3249 admin.specifiesGlobalProxy = true; 3250 admin.globalProxySpec = proxySpec; 3251 admin.globalProxyExclusionList = exclusionList; 3252 } 3253 3254 // Reset the global proxy accordingly 3255 // Do this using system permissions, as apps cannot write to secure settings 3256 long origId = Binder.clearCallingIdentity(); 3257 try { 3258 resetGlobalProxyLocked(policy); 3259 } finally { 3260 Binder.restoreCallingIdentity(origId); 3261 } 3262 return null; 3263 } 3264 } 3265 3266 public ComponentName getGlobalProxyAdmin(int userHandle) { 3267 if (!mHasFeature) { 3268 return null; 3269 } 3270 enforceCrossUserPermission(userHandle); 3271 synchronized(this) { 3272 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3273 // Scan through active admins and find if anyone has already 3274 // set the global proxy. 3275 final int N = policy.mAdminList.size(); 3276 for (int i = 0; i < N; i++) { 3277 ActiveAdmin ap = policy.mAdminList.get(i); 3278 if (ap.specifiesGlobalProxy) { 3279 // Device admin sets the global proxy 3280 // Return it to the caller. 3281 return ap.info.getComponent(); 3282 } 3283 } 3284 } 3285 // No device admin sets the global proxy. 3286 return null; 3287 } 3288 3289 public void setRecommendedGlobalProxy(ComponentName who, ProxyInfo proxyInfo) { 3290 synchronized (this) { 3291 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3292 } 3293 long token = Binder.clearCallingIdentity(); 3294 try { 3295 ConnectivityManager connectivityManager = (ConnectivityManager) 3296 mContext.getSystemService(Context.CONNECTIVITY_SERVICE); 3297 connectivityManager.setGlobalProxy(proxyInfo); 3298 } finally { 3299 Binder.restoreCallingIdentity(token); 3300 } 3301 } 3302 3303 private void resetGlobalProxyLocked(DevicePolicyData policy) { 3304 final int N = policy.mAdminList.size(); 3305 for (int i = 0; i < N; i++) { 3306 ActiveAdmin ap = policy.mAdminList.get(i); 3307 if (ap.specifiesGlobalProxy) { 3308 saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); 3309 return; 3310 } 3311 } 3312 // No device admins defining global proxies - reset global proxy settings to none 3313 saveGlobalProxyLocked(null, null); 3314 } 3315 3316 private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { 3317 if (exclusionList == null) { 3318 exclusionList = ""; 3319 } 3320 if (proxySpec == null) { 3321 proxySpec = ""; 3322 } 3323 // Remove white spaces 3324 proxySpec = proxySpec.trim(); 3325 String data[] = proxySpec.split(":"); 3326 int proxyPort = 8080; 3327 if (data.length > 1) { 3328 try { 3329 proxyPort = Integer.parseInt(data[1]); 3330 } catch (NumberFormatException e) {} 3331 } 3332 exclusionList = exclusionList.trim(); 3333 ContentResolver res = mContext.getContentResolver(); 3334 3335 ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); 3336 if (!proxyProperties.isValid()) { 3337 Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); 3338 return; 3339 } 3340 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); 3341 Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); 3342 Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, 3343 exclusionList); 3344 } 3345 3346 /** 3347 * Set the storage encryption request for a single admin. Returns the new total request 3348 * status (for all admins). 3349 */ 3350 public int setStorageEncryption(ComponentName who, boolean encrypt, int userHandle) { 3351 if (!mHasFeature) { 3352 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3353 } 3354 enforceCrossUserPermission(userHandle); 3355 synchronized (this) { 3356 // Check for permissions 3357 if (who == null) { 3358 throw new NullPointerException("ComponentName is null"); 3359 } 3360 // Only owner can set storage encryption 3361 if (userHandle != UserHandle.USER_OWNER 3362 || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { 3363 Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " 3364 + UserHandle.getCallingUserId() + " is not permitted."); 3365 return 0; 3366 } 3367 3368 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3369 DeviceAdminInfo.USES_ENCRYPTED_STORAGE); 3370 3371 // Quick exit: If the filesystem does not support encryption, we can exit early. 3372 if (!isEncryptionSupported()) { 3373 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3374 } 3375 3376 // (1) Record the value for the admin so it's sticky 3377 if (ap.encryptionRequested != encrypt) { 3378 ap.encryptionRequested = encrypt; 3379 saveSettingsLocked(userHandle); 3380 } 3381 3382 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3383 // (2) Compute "max" for all admins 3384 boolean newRequested = false; 3385 final int N = policy.mAdminList.size(); 3386 for (int i = 0; i < N; i++) { 3387 newRequested |= policy.mAdminList.get(i).encryptionRequested; 3388 } 3389 3390 // Notify OS of new request 3391 setEncryptionRequested(newRequested); 3392 3393 // Return the new global request status 3394 return newRequested 3395 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3396 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3397 } 3398 } 3399 3400 /** 3401 * Get the current storage encryption request status for a given admin, or aggregate of all 3402 * active admins. 3403 */ 3404 public boolean getStorageEncryption(ComponentName who, int userHandle) { 3405 if (!mHasFeature) { 3406 return false; 3407 } 3408 enforceCrossUserPermission(userHandle); 3409 synchronized (this) { 3410 // Check for permissions if a particular caller is specified 3411 if (who != null) { 3412 // When checking for a single caller, status is based on caller's request 3413 ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); 3414 return ap != null ? ap.encryptionRequested : false; 3415 } 3416 3417 // If no particular caller is specified, return the aggregate set of requests. 3418 // This is short circuited by returning true on the first hit. 3419 DevicePolicyData policy = getUserData(userHandle); 3420 final int N = policy.mAdminList.size(); 3421 for (int i = 0; i < N; i++) { 3422 if (policy.mAdminList.get(i).encryptionRequested) { 3423 return true; 3424 } 3425 } 3426 return false; 3427 } 3428 } 3429 3430 /** 3431 * Get the current encryption status of the device. 3432 */ 3433 public int getStorageEncryptionStatus(int userHandle) { 3434 if (!mHasFeature) { 3435 // Ok to return current status. 3436 } 3437 enforceCrossUserPermission(userHandle); 3438 return getEncryptionStatus(); 3439 } 3440 3441 /** 3442 * Hook to low-levels: This should report if the filesystem supports encrypted storage. 3443 */ 3444 private boolean isEncryptionSupported() { 3445 // Note, this can be implemented as 3446 // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3447 // But is provided as a separate internal method if there's a faster way to do a 3448 // simple check for supported-or-not. 3449 return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3450 } 3451 3452 /** 3453 * Hook to low-levels: Reporting the current status of encryption. 3454 * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED} or 3455 * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE} or 3456 * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. 3457 */ 3458 private int getEncryptionStatus() { 3459 String status = SystemProperties.get("ro.crypto.state", "unsupported"); 3460 if ("encrypted".equalsIgnoreCase(status)) { 3461 final long token = Binder.clearCallingIdentity(); 3462 try { 3463 return LockPatternUtils.isDeviceEncrypted() 3464 ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE 3465 : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3466 } finally { 3467 Binder.restoreCallingIdentity(token); 3468 } 3469 } else if ("unencrypted".equalsIgnoreCase(status)) { 3470 return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; 3471 } else { 3472 return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; 3473 } 3474 } 3475 3476 /** 3477 * Hook to low-levels: If needed, record the new admin setting for encryption. 3478 */ 3479 private void setEncryptionRequested(boolean encrypt) { 3480 } 3481 3482 3483 /** 3484 * Set whether the screen capture is disabled for the user managed by the specified admin. 3485 */ 3486 public void setScreenCaptureDisabled(ComponentName who, int userHandle, boolean disabled) { 3487 if (!mHasFeature) { 3488 return; 3489 } 3490 enforceCrossUserPermission(userHandle); 3491 synchronized (this) { 3492 if (who == null) { 3493 throw new NullPointerException("ComponentName is null"); 3494 } 3495 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3496 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3497 if (ap.disableScreenCapture != disabled) { 3498 ap.disableScreenCapture = disabled; 3499 saveSettingsLocked(userHandle); 3500 updateScreenCaptureDisabledInWindowManager(userHandle, disabled); 3501 } 3502 } 3503 } 3504 3505 /** 3506 * Returns whether or not screen capture is disabled for a given admin, or disabled for any 3507 * active admin (if given admin is null). 3508 */ 3509 public boolean getScreenCaptureDisabled(ComponentName who, int userHandle) { 3510 if (!mHasFeature) { 3511 return false; 3512 } 3513 synchronized (this) { 3514 if (who != null) { 3515 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3516 return (admin != null) ? admin.disableScreenCapture : false; 3517 } 3518 3519 DevicePolicyData policy = getUserData(userHandle); 3520 final int N = policy.mAdminList.size(); 3521 for (int i = 0; i < N; i++) { 3522 ActiveAdmin admin = policy.mAdminList.get(i); 3523 if (admin.disableScreenCapture) { 3524 return true; 3525 } 3526 } 3527 return false; 3528 } 3529 } 3530 3531 private void updateScreenCaptureDisabledInWindowManager(int userHandle, boolean disabled) { 3532 long ident = Binder.clearCallingIdentity(); 3533 try { 3534 getWindowManager().setScreenCaptureDisabled(userHandle, disabled); 3535 } catch (RemoteException e) { 3536 Log.w(LOG_TAG, "Unable to notify WindowManager.", e); 3537 } finally { 3538 Binder.restoreCallingIdentity(ident); 3539 } 3540 } 3541 3542 /** 3543 * Set whether auto time is required by the specified admin (must be device owner). 3544 */ 3545 public void setAutoTimeRequired(ComponentName who, int userHandle, boolean required) { 3546 if (!mHasFeature) { 3547 return; 3548 } 3549 enforceCrossUserPermission(userHandle); 3550 synchronized (this) { 3551 if (who == null) { 3552 throw new NullPointerException("ComponentName is null"); 3553 } 3554 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 3555 DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 3556 if (admin.requireAutoTime != required) { 3557 admin.requireAutoTime = required; 3558 saveSettingsLocked(userHandle); 3559 } 3560 } 3561 3562 // Turn AUTO_TIME on in settings if it is required 3563 if (required) { 3564 long ident = Binder.clearCallingIdentity(); 3565 try { 3566 Settings.Global.putInt(mContext.getContentResolver(), 3567 Settings.Global.AUTO_TIME, 1 /* AUTO_TIME on */); 3568 } finally { 3569 Binder.restoreCallingIdentity(ident); 3570 } 3571 } 3572 } 3573 3574 /** 3575 * Returns whether or not auto time is required by the device owner. 3576 */ 3577 public boolean getAutoTimeRequired() { 3578 if (!mHasFeature) { 3579 return false; 3580 } 3581 synchronized (this) { 3582 ActiveAdmin deviceOwner = getDeviceOwnerAdmin(); 3583 return (deviceOwner != null) ? deviceOwner.requireAutoTime : false; 3584 } 3585 } 3586 3587 /** 3588 * The system property used to share the state of the camera. The native camera service 3589 * is expected to read this property and act accordingly. 3590 */ 3591 public static final String SYSTEM_PROP_DISABLE_CAMERA = "sys.secpolicy.camera.disabled"; 3592 3593 /** 3594 * Disables all device cameras according to the specified admin. 3595 */ 3596 public void setCameraDisabled(ComponentName who, boolean disabled, int userHandle) { 3597 if (!mHasFeature) { 3598 return; 3599 } 3600 enforceCrossUserPermission(userHandle); 3601 synchronized (this) { 3602 if (who == null) { 3603 throw new NullPointerException("ComponentName is null"); 3604 } 3605 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3606 DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); 3607 if (ap.disableCamera != disabled) { 3608 ap.disableCamera = disabled; 3609 saveSettingsLocked(userHandle); 3610 } 3611 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3612 } 3613 } 3614 3615 /** 3616 * Gets whether or not all device cameras are disabled for a given admin, or disabled for any 3617 * active admins. 3618 */ 3619 public boolean getCameraDisabled(ComponentName who, int userHandle) { 3620 if (!mHasFeature) { 3621 return false; 3622 } 3623 synchronized (this) { 3624 if (who != null) { 3625 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3626 return (admin != null) ? admin.disableCamera : false; 3627 } 3628 3629 DevicePolicyData policy = getUserData(userHandle); 3630 // Determine whether or not the device camera is disabled for any active admins. 3631 final int N = policy.mAdminList.size(); 3632 for (int i = 0; i < N; i++) { 3633 ActiveAdmin admin = policy.mAdminList.get(i); 3634 if (admin.disableCamera) { 3635 return true; 3636 } 3637 } 3638 return false; 3639 } 3640 } 3641 3642 /** 3643 * Selectively disable keyguard features. 3644 */ 3645 public void setKeyguardDisabledFeatures(ComponentName who, int which, int userHandle) { 3646 if (!mHasFeature) { 3647 return; 3648 } 3649 enforceCrossUserPermission(userHandle); 3650 enforceNotManagedProfile(userHandle, "disable keyguard features"); 3651 synchronized (this) { 3652 if (who == null) { 3653 throw new NullPointerException("ComponentName is null"); 3654 } 3655 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 3656 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 3657 if (ap.disabledKeyguardFeatures != which) { 3658 ap.disabledKeyguardFeatures = which; 3659 saveSettingsLocked(userHandle); 3660 } 3661 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 3662 } 3663 } 3664 3665 /** 3666 * Gets the disabled state for features in keyguard for the given admin, 3667 * or the aggregate of all active admins if who is null. 3668 */ 3669 public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { 3670 if (!mHasFeature) { 3671 return 0; 3672 } 3673 enforceCrossUserPermission(userHandle); 3674 synchronized (this) { 3675 if (who != null) { 3676 ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); 3677 return (admin != null) ? admin.disabledKeyguardFeatures : 0; 3678 } 3679 3680 // Determine which keyguard features are disabled for any active admins. 3681 DevicePolicyData policy = getUserData(userHandle); 3682 final int N = policy.mAdminList.size(); 3683 int which = 0; 3684 for (int i = 0; i < N; i++) { 3685 ActiveAdmin admin = policy.mAdminList.get(i); 3686 which |= admin.disabledKeyguardFeatures; 3687 } 3688 return which; 3689 } 3690 } 3691 3692 @Override 3693 public boolean setDeviceOwner(String packageName, String ownerName) { 3694 if (!mHasFeature) { 3695 return false; 3696 } 3697 if (packageName == null 3698 || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { 3699 throw new IllegalArgumentException("Invalid package name " + packageName 3700 + " for device owner"); 3701 } 3702 synchronized (this) { 3703 if (!allowedToSetDeviceOwnerOnDevice()) { 3704 throw new IllegalStateException( 3705 "Trying to set device owner but device is already provisioned."); 3706 } 3707 3708 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3709 throw new IllegalStateException( 3710 "Trying to set device owner but device owner is already set."); 3711 } 3712 3713 // Shutting down backup manager service permanently. 3714 long ident = Binder.clearCallingIdentity(); 3715 try { 3716 IBackupManager ibm = IBackupManager.Stub.asInterface( 3717 ServiceManager.getService(Context.BACKUP_SERVICE)); 3718 ibm.setBackupServiceActive(UserHandle.USER_OWNER, false); 3719 } catch (RemoteException e) { 3720 throw new IllegalStateException("Failed deactivating backup service.", e); 3721 } finally { 3722 Binder.restoreCallingIdentity(ident); 3723 } 3724 3725 if (mDeviceOwner == null) { 3726 // Device owner is not set and does not exist, set it. 3727 mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); 3728 mDeviceOwner.writeOwnerFile(); 3729 return true; 3730 } else { 3731 // Device owner is not set but a profile owner exists, update Device owner state. 3732 mDeviceOwner.setDeviceOwner(packageName, ownerName); 3733 mDeviceOwner.writeOwnerFile(); 3734 return true; 3735 } 3736 } 3737 } 3738 3739 @Override 3740 public boolean isDeviceOwner(String packageName) { 3741 if (!mHasFeature) { 3742 return false; 3743 } 3744 synchronized (this) { 3745 return mDeviceOwner != null 3746 && mDeviceOwner.hasDeviceOwner() 3747 && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); 3748 } 3749 } 3750 3751 @Override 3752 public String getDeviceOwner() { 3753 if (!mHasFeature) { 3754 return null; 3755 } 3756 synchronized (this) { 3757 if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { 3758 return mDeviceOwner.getDeviceOwnerPackageName(); 3759 } 3760 } 3761 return null; 3762 } 3763 3764 @Override 3765 public String getDeviceOwnerName() { 3766 if (!mHasFeature) { 3767 return null; 3768 } 3769 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3770 synchronized (this) { 3771 if (mDeviceOwner != null) { 3772 return mDeviceOwner.getDeviceOwnerName(); 3773 } 3774 } 3775 return null; 3776 } 3777 3778 // Returns the active device owner or null if there is no device owner. 3779 private ActiveAdmin getDeviceOwnerAdmin() { 3780 String deviceOwnerPackageName = getDeviceOwner(); 3781 if (deviceOwnerPackageName == null) { 3782 return null; 3783 } 3784 3785 DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); 3786 final int n = policy.mAdminList.size(); 3787 for (int i = 0; i < n; i++) { 3788 ActiveAdmin admin = policy.mAdminList.get(i); 3789 if (deviceOwnerPackageName.equals(admin.info.getPackageName())) { 3790 return admin; 3791 } 3792 } 3793 return null; 3794 } 3795 3796 @Override 3797 public void clearDeviceOwner(String packageName) { 3798 if (packageName == null) { 3799 throw new NullPointerException("packageName is null"); 3800 } 3801 try { 3802 int uid = mContext.getPackageManager().getPackageUid(packageName, 0); 3803 if (uid != Binder.getCallingUid()) { 3804 throw new SecurityException("Invalid packageName"); 3805 } 3806 } catch (NameNotFoundException e) { 3807 throw new SecurityException(e); 3808 } 3809 if (!isDeviceOwner(packageName)) { 3810 throw new SecurityException("clearDeviceOwner can only be called by the device owner"); 3811 } 3812 synchronized (this) { 3813 long ident = Binder.clearCallingIdentity(); 3814 try { 3815 clearUserRestrictions(new UserHandle(UserHandle.USER_OWNER)); 3816 if (mDeviceOwner != null) { 3817 mDeviceOwner.clearDeviceOwner(); 3818 mDeviceOwner.writeOwnerFile(); 3819 } 3820 } finally { 3821 Binder.restoreCallingIdentity(ident); 3822 } 3823 } 3824 } 3825 3826 @Override 3827 public boolean setProfileOwner(ComponentName who, String ownerName, int userHandle) { 3828 if (!mHasFeature) { 3829 return false; 3830 } 3831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 3832 3833 UserInfo info = mUserManager.getUserInfo(userHandle); 3834 if (info == null) { 3835 // User doesn't exist. 3836 throw new IllegalArgumentException( 3837 "Attempted to set profile owner for invalid userId: " + userHandle); 3838 } 3839 if (info.isGuest()) { 3840 throw new IllegalStateException("Cannot set a profile owner on a guest"); 3841 } 3842 3843 if (who == null 3844 || !DeviceOwner.isInstalledForUser(who.getPackageName(), userHandle)) { 3845 throw new IllegalArgumentException("Component " + who 3846 + " not installed for userId:" + userHandle); 3847 } 3848 synchronized (this) { 3849 // Only SYSTEM_UID can override the userSetupComplete 3850 if (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID 3851 && hasUserSetupCompleted(userHandle)) { 3852 throw new IllegalStateException( 3853 "Trying to set profile owner but user is already set-up."); 3854 } 3855 3856 if (mDeviceOwner == null) { 3857 // Device owner state does not exist, create it. 3858 mDeviceOwner = DeviceOwner.createWithProfileOwner(who, ownerName, 3859 userHandle); 3860 mDeviceOwner.writeOwnerFile(); 3861 return true; 3862 } else { 3863 // Device owner already exists, update it. 3864 mDeviceOwner.setProfileOwner(who, ownerName, userHandle); 3865 mDeviceOwner.writeOwnerFile(); 3866 return true; 3867 } 3868 } 3869 } 3870 3871 @Override 3872 public void clearProfileOwner(ComponentName who) { 3873 if (!mHasFeature) { 3874 return; 3875 } 3876 UserHandle callingUser = Binder.getCallingUserHandle(); 3877 // Check if this is the profile owner who is calling 3878 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3879 synchronized (this) { 3880 long ident = Binder.clearCallingIdentity(); 3881 try { 3882 clearUserRestrictions(callingUser); 3883 if (mDeviceOwner != null) { 3884 mDeviceOwner.removeProfileOwner(callingUser.getIdentifier()); 3885 mDeviceOwner.writeOwnerFile(); 3886 } 3887 } finally { 3888 Binder.restoreCallingIdentity(ident); 3889 } 3890 } 3891 } 3892 3893 private void clearUserRestrictions(UserHandle userHandle) { 3894 AudioManager audioManager = 3895 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 3896 Bundle userRestrictions = mUserManager.getUserRestrictions(); 3897 mUserManager.setUserRestrictions(new Bundle(), userHandle); 3898 if (userRestrictions.getBoolean(UserManager.DISALLOW_ADJUST_VOLUME)) { 3899 audioManager.setMasterMute(false); 3900 } 3901 if (userRestrictions.getBoolean(UserManager.DISALLOW_UNMUTE_MICROPHONE)) { 3902 audioManager.setMicrophoneMute(false); 3903 } 3904 } 3905 3906 @Override 3907 public boolean hasUserSetupCompleted() { 3908 return hasUserSetupCompleted(UserHandle.getCallingUserId()); 3909 } 3910 3911 private boolean hasUserSetupCompleted(int userHandle) { 3912 if (!mHasFeature) { 3913 return true; 3914 } 3915 DevicePolicyData policy = getUserData(userHandle); 3916 // If policy is null, return true, else check if the setup has completed. 3917 return policy == null || policy.mUserSetupComplete; 3918 } 3919 3920 @Override 3921 public void setProfileEnabled(ComponentName who) { 3922 if (!mHasFeature) { 3923 return; 3924 } 3925 final int userHandle = UserHandle.getCallingUserId(); 3926 synchronized (this) { 3927 // Check for permissions 3928 if (who == null) { 3929 throw new NullPointerException("ComponentName is null"); 3930 } 3931 // Check if this is the profile owner who is calling 3932 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3933 int userId = UserHandle.getCallingUserId(); 3934 3935 long id = Binder.clearCallingIdentity(); 3936 try { 3937 mUserManager.setUserEnabled(userId); 3938 Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); 3939 intent.putExtra(Intent.EXTRA_USER, new UserHandle(userHandle)); 3940 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | 3941 Intent.FLAG_RECEIVER_FOREGROUND); 3942 // TODO This should send to parent of profile (which is always owner at the moment). 3943 mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); 3944 } finally { 3945 restoreCallingIdentity(id); 3946 } 3947 } 3948 } 3949 3950 @Override 3951 public void setProfileName(ComponentName who, String profileName) { 3952 int userId = UserHandle.getCallingUserId(); 3953 3954 if (who == null) { 3955 throw new NullPointerException("ComponentName is null"); 3956 } 3957 3958 // Check if this is the profile owner (includes device owner). 3959 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 3960 3961 long id = Binder.clearCallingIdentity(); 3962 try { 3963 mUserManager.setUserName(userId, profileName); 3964 } finally { 3965 restoreCallingIdentity(id); 3966 } 3967 } 3968 3969 @Override 3970 public ComponentName getProfileOwner(int userHandle) { 3971 if (!mHasFeature) { 3972 return null; 3973 } 3974 3975 synchronized (this) { 3976 if (mDeviceOwner != null) { 3977 return mDeviceOwner.getProfileOwnerComponent(userHandle); 3978 } 3979 } 3980 return null; 3981 } 3982 3983 // Returns the active profile owner for this user or null if the current user has no 3984 // profile owner. 3985 private ActiveAdmin getProfileOwnerAdmin(int userHandle) { 3986 ComponentName profileOwner = 3987 mDeviceOwner != null ? mDeviceOwner.getProfileOwnerComponent(userHandle) : null; 3988 if (profileOwner == null) { 3989 return null; 3990 } 3991 3992 DevicePolicyData policy = getUserData(userHandle); 3993 final int n = policy.mAdminList.size(); 3994 for (int i = 0; i < n; i++) { 3995 ActiveAdmin admin = policy.mAdminList.get(i); 3996 if (profileOwner.equals(admin.info.getComponent())) { 3997 return admin; 3998 } 3999 } 4000 return null; 4001 } 4002 4003 @Override 4004 public String getProfileOwnerName(int userHandle) { 4005 if (!mHasFeature) { 4006 return null; 4007 } 4008 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 4009 4010 synchronized (this) { 4011 if (mDeviceOwner != null) { 4012 return mDeviceOwner.getProfileOwnerName(userHandle); 4013 } 4014 } 4015 return null; 4016 } 4017 4018 /** 4019 * Device owner can only be set on an unprovisioned device, unless it was initiated by "adb", in 4020 * which case we allow it if no account is associated with the device. 4021 */ 4022 private boolean allowedToSetDeviceOwnerOnDevice() { 4023 int callingId = Binder.getCallingUid(); 4024 if (callingId == Process.SHELL_UID || callingId == Process.ROOT_UID) { 4025 return AccountManager.get(mContext).getAccounts().length == 0; 4026 } else { 4027 return !hasUserSetupCompleted(UserHandle.USER_OWNER); 4028 } 4029 } 4030 4031 private void enforceCrossUserPermission(int userHandle) { 4032 if (userHandle < 0) { 4033 throw new IllegalArgumentException("Invalid userId " + userHandle); 4034 } 4035 final int callingUid = Binder.getCallingUid(); 4036 if (userHandle == UserHandle.getUserId(callingUid)) return; 4037 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4038 mContext.enforceCallingOrSelfPermission( 4039 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" 4040 + " INTERACT_ACROSS_USERS_FULL permission"); 4041 } 4042 } 4043 4044 private void enforceSystemProcess(String message) { 4045 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4046 throw new SecurityException(message); 4047 } 4048 } 4049 4050 private void enforceNotManagedProfile(int userHandle, String message) { 4051 if(isManagedProfile(userHandle)) { 4052 throw new SecurityException("You can not " + message + " for a managed profile. "); 4053 } 4054 } 4055 4056 private UserInfo getProfileParent(int userHandle) { 4057 long ident = Binder.clearCallingIdentity(); 4058 try { 4059 return mUserManager.getProfileParent(userHandle); 4060 } finally { 4061 Binder.restoreCallingIdentity(ident); 4062 } 4063 } 4064 4065 private boolean isManagedProfile(int userHandle) { 4066 long ident = Binder.clearCallingIdentity(); 4067 try { 4068 return mUserManager.getUserInfo(userHandle).isManagedProfile(); 4069 } finally { 4070 Binder.restoreCallingIdentity(ident); 4071 } 4072 } 4073 4074 private void enableIfNecessary(String packageName, int userId) { 4075 try { 4076 IPackageManager ipm = AppGlobals.getPackageManager(); 4077 ApplicationInfo ai = ipm.getApplicationInfo(packageName, 4078 PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, 4079 userId); 4080 if (ai.enabledSetting 4081 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { 4082 ipm.setApplicationEnabledSetting(packageName, 4083 PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 4084 PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); 4085 } 4086 } catch (RemoteException e) { 4087 } 4088 } 4089 4090 @Override 4091 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 4092 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 4093 != PackageManager.PERMISSION_GRANTED) { 4094 4095 pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" 4096 + Binder.getCallingPid() 4097 + ", uid=" + Binder.getCallingUid()); 4098 return; 4099 } 4100 4101 final Printer p = new PrintWriterPrinter(pw); 4102 4103 synchronized (this) { 4104 p.println("Current Device Policy Manager state:"); 4105 4106 int userCount = mUserData.size(); 4107 for (int u = 0; u < userCount; u++) { 4108 DevicePolicyData policy = getUserData(mUserData.keyAt(u)); 4109 p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); 4110 final int N = policy.mAdminList.size(); 4111 for (int i=0; i<N; i++) { 4112 ActiveAdmin ap = policy.mAdminList.get(i); 4113 if (ap != null) { 4114 pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); 4115 pw.println(":"); 4116 ap.dump(" ", pw); 4117 } 4118 } 4119 if (!policy.mRemovingAdmins.isEmpty()) { 4120 p.println(" Removing Device Admins (User " + policy.mUserHandle + "): " 4121 + policy.mRemovingAdmins); 4122 } 4123 4124 pw.println(" "); 4125 pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); 4126 } 4127 } 4128 } 4129 4130 @Override 4131 public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, 4132 ComponentName activity) { 4133 final int userHandle = UserHandle.getCallingUserId(); 4134 4135 synchronized (this) { 4136 if (who == null) { 4137 throw new NullPointerException("ComponentName is null"); 4138 } 4139 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4140 4141 IPackageManager pm = AppGlobals.getPackageManager(); 4142 long id = Binder.clearCallingIdentity(); 4143 try { 4144 pm.addPersistentPreferredActivity(filter, activity, userHandle); 4145 } catch (RemoteException re) { 4146 // Shouldn't happen 4147 } finally { 4148 restoreCallingIdentity(id); 4149 } 4150 } 4151 } 4152 4153 @Override 4154 public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { 4155 final int userHandle = UserHandle.getCallingUserId(); 4156 4157 synchronized (this) { 4158 if (who == null) { 4159 throw new NullPointerException("ComponentName is null"); 4160 } 4161 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4162 4163 IPackageManager pm = AppGlobals.getPackageManager(); 4164 long id = Binder.clearCallingIdentity(); 4165 try { 4166 pm.clearPackagePersistentPreferredActivities(packageName, userHandle); 4167 } catch (RemoteException re) { 4168 // Shouldn't happen 4169 } finally { 4170 restoreCallingIdentity(id); 4171 } 4172 } 4173 } 4174 4175 @Override 4176 public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { 4177 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4178 4179 synchronized (this) { 4180 if (who == null) { 4181 throw new NullPointerException("ComponentName is null"); 4182 } 4183 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4184 4185 long id = Binder.clearCallingIdentity(); 4186 try { 4187 mUserManager.setApplicationRestrictions(packageName, settings, userHandle); 4188 } finally { 4189 restoreCallingIdentity(id); 4190 } 4191 } 4192 } 4193 4194 public void setTrustAgentConfiguration(ComponentName admin, ComponentName agent, 4195 PersistableBundle args, int userHandle) { 4196 if (!mHasFeature) { 4197 return; 4198 } 4199 enforceCrossUserPermission(userHandle); 4200 enforceNotManagedProfile(userHandle, "set trust agent configuration"); 4201 synchronized (this) { 4202 if (admin == null) { 4203 throw new NullPointerException("admin is null"); 4204 } 4205 if (agent == null) { 4206 throw new NullPointerException("agent is null"); 4207 } 4208 ActiveAdmin ap = getActiveAdminForCallerLocked(admin, 4209 DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); 4210 ap.trustAgentInfos.put(agent.flattenToString(), new TrustAgentInfo(args)); 4211 saveSettingsLocked(userHandle); 4212 syncDeviceCapabilitiesLocked(getUserData(userHandle)); 4213 } 4214 } 4215 4216 public List<PersistableBundle> getTrustAgentConfiguration(ComponentName admin, 4217 ComponentName agent, int userHandle) { 4218 if (!mHasFeature) { 4219 return null; 4220 } 4221 enforceCrossUserPermission(userHandle); 4222 if (agent == null) { 4223 throw new NullPointerException("agent is null"); 4224 } 4225 4226 synchronized (this) { 4227 final String componentName = agent.flattenToString(); 4228 if (admin != null) { 4229 final ActiveAdmin ap = getActiveAdminUncheckedLocked(admin, userHandle); 4230 if (ap == null) return null; 4231 TrustAgentInfo trustAgentInfo = ap.trustAgentInfos.get(componentName); 4232 if (trustAgentInfo == null || trustAgentInfo.options == null) return null; 4233 List<PersistableBundle> result = new ArrayList<PersistableBundle>(); 4234 result.add(trustAgentInfo.options); 4235 return result; 4236 } 4237 4238 // Return strictest policy for this user and profiles that are visible from this user. 4239 final List<UserInfo> profiles = mUserManager.getProfiles(userHandle); 4240 List<PersistableBundle> result = null; 4241 4242 // Search through all admins that use KEYGUARD_DISABLE_TRUST_AGENTS and keep track 4243 // of the options. If any admin doesn't have options, discard options for the rest 4244 // and return null. 4245 boolean allAdminsHaveOptions = true; 4246 for (UserInfo userInfo : profiles) { 4247 DevicePolicyData policy = getUserData(userInfo.id); 4248 final int N = policy.mAdminList.size(); 4249 for (int i=0; i < N; i++) { 4250 final ActiveAdmin active = policy.mAdminList.get(i); 4251 final boolean disablesTrust = (active.disabledKeyguardFeatures 4252 & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; 4253 final TrustAgentInfo info = active.trustAgentInfos.get(componentName); 4254 if (info != null && info.options != null && !info.options.isEmpty()) { 4255 if (disablesTrust) { 4256 if (result == null) { 4257 result = new ArrayList<PersistableBundle>(); 4258 } 4259 result.add(info.options); 4260 } else { 4261 Log.w(LOG_TAG, "Ignoring admin " + active.info 4262 + " because it has trust options but doesn't declare " 4263 + "KEYGUARD_DISABLE_TRUST_AGENTS"); 4264 } 4265 } else if (disablesTrust) { 4266 allAdminsHaveOptions = false; 4267 break; 4268 } 4269 } 4270 } 4271 return allAdminsHaveOptions ? result : null; 4272 } 4273 } 4274 4275 @Override 4276 public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { 4277 synchronized (this) { 4278 if (who == null) { 4279 throw new NullPointerException("ComponentName is null"); 4280 } 4281 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4282 4283 int userHandle = UserHandle.getCallingUserId(); 4284 DevicePolicyData userData = getUserData(userHandle); 4285 userData.mRestrictionsProvider = permissionProvider; 4286 saveSettingsLocked(userHandle); 4287 } 4288 } 4289 4290 @Override 4291 public ComponentName getRestrictionsProvider(int userHandle) { 4292 synchronized (this) { 4293 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 4294 throw new SecurityException("Only the system can query the permission provider"); 4295 } 4296 DevicePolicyData userData = getUserData(userHandle); 4297 return userData != null ? userData.mRestrictionsProvider : null; 4298 } 4299 } 4300 4301 public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { 4302 int callingUserId = UserHandle.getCallingUserId(); 4303 synchronized (this) { 4304 if (who == null) { 4305 throw new NullPointerException("ComponentName is null"); 4306 } 4307 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4308 4309 IPackageManager pm = AppGlobals.getPackageManager(); 4310 long id = Binder.clearCallingIdentity(); 4311 try { 4312 if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { 4313 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4314 mContext.getUserId(), callingUserId, UserHandle.USER_OWNER, 0); 4315 } 4316 if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { 4317 pm.addCrossProfileIntentFilter(filter, who.getPackageName(), 4318 mContext.getUserId(), UserHandle.USER_OWNER, callingUserId, 0); 4319 } 4320 } catch (RemoteException re) { 4321 // Shouldn't happen 4322 } finally { 4323 restoreCallingIdentity(id); 4324 } 4325 } 4326 } 4327 4328 public void clearCrossProfileIntentFilters(ComponentName who) { 4329 int callingUserId = UserHandle.getCallingUserId(); 4330 synchronized (this) { 4331 if (who == null) { 4332 throw new NullPointerException("ComponentName is null"); 4333 } 4334 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4335 IPackageManager pm = AppGlobals.getPackageManager(); 4336 long id = Binder.clearCallingIdentity(); 4337 try { 4338 pm.clearCrossProfileIntentFilters(callingUserId, who.getPackageName(), 4339 callingUserId); 4340 // If we want to support multiple managed profiles, we will have to only remove 4341 // those that have callingUserId as their target. 4342 pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER, who.getPackageName(), 4343 callingUserId); 4344 } catch (RemoteException re) { 4345 // Shouldn't happen 4346 } finally { 4347 restoreCallingIdentity(id); 4348 } 4349 } 4350 } 4351 4352 /** 4353 * @return true if all packages in enabledPackages are either in the list 4354 * permittedList or are a system app. 4355 */ 4356 private boolean checkPackagesInPermittedListOrSystem(List<String> enabledPackages, 4357 List<String> permittedList) { 4358 int userIdToCheck = UserHandle.getCallingUserId(); 4359 long id = Binder.clearCallingIdentity(); 4360 try { 4361 // If we have an enabled packages list for a managed profile the packages 4362 // we should check are installed for the parent user. 4363 UserInfo user = mUserManager.getUserInfo(userIdToCheck); 4364 if (user.isManagedProfile()) { 4365 userIdToCheck = user.profileGroupId; 4366 } 4367 4368 IPackageManager pm = AppGlobals.getPackageManager(); 4369 for (String enabledPackage : enabledPackages) { 4370 boolean systemService = false; 4371 try { 4372 ApplicationInfo applicationInfo = pm.getApplicationInfo(enabledPackage, 4373 PackageManager.GET_UNINSTALLED_PACKAGES, userIdToCheck); 4374 systemService = (applicationInfo.flags & 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 ServiceInfo serviceInfo = service.getResolveInfo().serviceInfo; 4509 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 4510 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4511 result.add(serviceInfo.packageName); 4512 } 4513 } 4514 } 4515 } finally { 4516 restoreCallingIdentity(id); 4517 } 4518 } 4519 4520 return result; 4521 } 4522 } 4523 4524 private boolean checkCallerIsCurrentUserOrProfile() { 4525 int callingUserId = UserHandle.getCallingUserId(); 4526 long token = Binder.clearCallingIdentity(); 4527 try { 4528 UserInfo currentUser; 4529 UserInfo callingUser = mUserManager.getUserInfo(callingUserId); 4530 try { 4531 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4532 } catch (RemoteException e) { 4533 Slog.e(LOG_TAG, "Failed to talk to activity managed.", e); 4534 return false; 4535 } 4536 4537 if (callingUser.isManagedProfile() && callingUser.profileGroupId != currentUser.id) { 4538 Slog.e(LOG_TAG, "Cannot set permitted input methods for managed profile " 4539 + "of a user that isn't the foreground user."); 4540 return false; 4541 } 4542 if (!callingUser.isManagedProfile() && callingUserId != currentUser.id ) { 4543 Slog.e(LOG_TAG, "Cannot set permitted input methods " 4544 + "of a user that isn't the foreground user."); 4545 return false; 4546 } 4547 } finally { 4548 Binder.restoreCallingIdentity(token); 4549 } 4550 return true; 4551 } 4552 4553 @Override 4554 public boolean setPermittedInputMethods(ComponentName who, List packageList) { 4555 if (!mHasFeature) { 4556 return false; 4557 } 4558 if (who == null) { 4559 throw new NullPointerException("ComponentName is null"); 4560 } 4561 4562 // TODO When InputMethodManager supports per user calls remove 4563 // this restriction. 4564 if (!checkCallerIsCurrentUserOrProfile()) { 4565 return false; 4566 } 4567 4568 if (packageList != null) { 4569 // InputMethodManager fetches input methods for current user. 4570 // So this can only be set when calling user is the current user 4571 // or parent is current user in case of managed profiles. 4572 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4573 .getSystemService(Context.INPUT_METHOD_SERVICE); 4574 List<InputMethodInfo> enabledImes = inputMethodManager.getEnabledInputMethodList(); 4575 4576 if (enabledImes != null) { 4577 List<String> enabledPackages = new ArrayList<String>(); 4578 for (InputMethodInfo ime : enabledImes) { 4579 enabledPackages.add(ime.getPackageName()); 4580 } 4581 if (!checkPackagesInPermittedListOrSystem(enabledPackages, packageList)) { 4582 Slog.e(LOG_TAG, "Cannot set permitted input methods, " 4583 + "because it contains already enabled input method."); 4584 return false; 4585 } 4586 } 4587 } 4588 4589 synchronized (this) { 4590 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4591 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4592 admin.permittedInputMethods = packageList; 4593 saveSettingsLocked(UserHandle.getCallingUserId()); 4594 } 4595 return true; 4596 } 4597 4598 @Override 4599 public List getPermittedInputMethods(ComponentName who) { 4600 if (!mHasFeature) { 4601 return null; 4602 } 4603 4604 if (who == null) { 4605 throw new NullPointerException("ComponentName is null"); 4606 } 4607 4608 synchronized (this) { 4609 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 4610 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4611 return admin.permittedInputMethods; 4612 } 4613 } 4614 4615 @Override 4616 public List getPermittedInputMethodsForCurrentUser() { 4617 UserInfo currentUser; 4618 try { 4619 currentUser = ActivityManagerNative.getDefault().getCurrentUser(); 4620 } catch (RemoteException e) { 4621 Slog.e(LOG_TAG, "Failed to make remote calls to get current user", e); 4622 // Activity managed is dead, just allow all IMEs 4623 return null; 4624 } 4625 4626 int userId = currentUser.id; 4627 synchronized (this) { 4628 List<String> result = null; 4629 // If we have multiple profiles we return the intersection of the 4630 // permitted lists. This can happen in cases where we have a device 4631 // and profile owner. 4632 List<UserInfo> profiles = mUserManager.getProfiles(userId); 4633 final int PROFILES_SIZE = profiles.size(); 4634 for (int i = 0; i < PROFILES_SIZE; ++i) { 4635 // Just loop though all admins, only device or profiles 4636 // owners can have permitted lists set. 4637 DevicePolicyData policy = getUserData(profiles.get(i).id); 4638 final int N = policy.mAdminList.size(); 4639 for (int j = 0; j < N; j++) { 4640 ActiveAdmin admin = policy.mAdminList.get(j); 4641 List<String> fromAdmin = admin.permittedInputMethods; 4642 if (fromAdmin != null) { 4643 if (result == null) { 4644 result = new ArrayList<String>(fromAdmin); 4645 } else { 4646 result.retainAll(fromAdmin); 4647 } 4648 } 4649 } 4650 } 4651 4652 // If we have a permitted list add all system input methods. 4653 if (result != null) { 4654 InputMethodManager inputMethodManager = (InputMethodManager) mContext 4655 .getSystemService(Context.INPUT_METHOD_SERVICE); 4656 List<InputMethodInfo> imes = inputMethodManager.getInputMethodList(); 4657 long id = Binder.clearCallingIdentity(); 4658 try { 4659 IPackageManager pm = AppGlobals.getPackageManager(); 4660 if (imes != null) { 4661 for (InputMethodInfo ime : imes) { 4662 ServiceInfo serviceInfo = ime.getServiceInfo(); 4663 ApplicationInfo applicationInfo = serviceInfo.applicationInfo; 4664 if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 4665 result.add(serviceInfo.packageName); 4666 } 4667 } 4668 } 4669 } finally { 4670 restoreCallingIdentity(id); 4671 } 4672 } 4673 return result; 4674 } 4675 } 4676 4677 @Override 4678 public UserHandle createUser(ComponentName who, String name) { 4679 synchronized (this) { 4680 if (who == null) { 4681 throw new NullPointerException("ComponentName is null"); 4682 } 4683 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4684 4685 long id = Binder.clearCallingIdentity(); 4686 try { 4687 UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); 4688 if (userInfo != null) { 4689 return userInfo.getUserHandle(); 4690 } 4691 return null; 4692 } finally { 4693 restoreCallingIdentity(id); 4694 } 4695 } 4696 } 4697 4698 @Override 4699 public UserHandle createAndInitializeUser(ComponentName who, String name, 4700 String ownerName, ComponentName profileOwnerComponent, Bundle adminExtras) { 4701 UserHandle user = createUser(who, name); 4702 long id = Binder.clearCallingIdentity(); 4703 try { 4704 String profileOwnerPkg = profileOwnerComponent.getPackageName(); 4705 final IPackageManager ipm = AppGlobals.getPackageManager(); 4706 IActivityManager activityManager = ActivityManagerNative.getDefault(); 4707 4708 try { 4709 // Install the profile owner if not present. 4710 if (!ipm.isPackageAvailable(profileOwnerPkg, user.getIdentifier())) { 4711 ipm.installExistingPackageAsUser(profileOwnerPkg, user.getIdentifier()); 4712 } 4713 4714 // Start user in background. 4715 activityManager.startUserInBackground(user.getIdentifier()); 4716 } catch (RemoteException e) { 4717 Slog.e(LOG_TAG, "Failed to make remote calls for configureUser", e); 4718 } 4719 4720 setActiveAdmin(profileOwnerComponent, true, user.getIdentifier(), adminExtras); 4721 setProfileOwner(profileOwnerComponent, ownerName, user.getIdentifier()); 4722 return user; 4723 } finally { 4724 restoreCallingIdentity(id); 4725 } 4726 } 4727 4728 @Override 4729 public boolean removeUser(ComponentName who, UserHandle userHandle) { 4730 synchronized (this) { 4731 if (who == null) { 4732 throw new NullPointerException("ComponentName is null"); 4733 } 4734 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4735 4736 long id = Binder.clearCallingIdentity(); 4737 try { 4738 return mUserManager.removeUser(userHandle.getIdentifier()); 4739 } finally { 4740 restoreCallingIdentity(id); 4741 } 4742 } 4743 } 4744 4745 @Override 4746 public boolean switchUser(ComponentName who, UserHandle userHandle) { 4747 synchronized (this) { 4748 if (who == null) { 4749 throw new NullPointerException("ComponentName is null"); 4750 } 4751 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 4752 4753 long id = Binder.clearCallingIdentity(); 4754 try { 4755 int userId = UserHandle.USER_OWNER; 4756 if (userHandle != null) { 4757 userId = userHandle.getIdentifier(); 4758 } 4759 return ActivityManagerNative.getDefault().switchUser(userId); 4760 } catch (RemoteException e) { 4761 Log.e(LOG_TAG, "Couldn't switch user", e); 4762 return false; 4763 } finally { 4764 restoreCallingIdentity(id); 4765 } 4766 } 4767 } 4768 4769 @Override 4770 public Bundle getApplicationRestrictions(ComponentName who, String packageName) { 4771 final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); 4772 4773 synchronized (this) { 4774 if (who == null) { 4775 throw new NullPointerException("ComponentName is null"); 4776 } 4777 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4778 4779 long id = Binder.clearCallingIdentity(); 4780 try { 4781 return mUserManager.getApplicationRestrictions(packageName, userHandle); 4782 } finally { 4783 restoreCallingIdentity(id); 4784 } 4785 } 4786 } 4787 4788 @Override 4789 public void setUserRestriction(ComponentName who, String key, boolean enabled) { 4790 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 4791 final int userHandle = user.getIdentifier(); 4792 synchronized (this) { 4793 if (who == null) { 4794 throw new NullPointerException("ComponentName is null"); 4795 } 4796 ActiveAdmin activeAdmin = 4797 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4798 boolean isDeviceOwner = isDeviceOwner(activeAdmin.info.getPackageName()); 4799 if (!isDeviceOwner && userHandle != UserHandle.USER_OWNER 4800 && DEVICE_OWNER_USER_RESTRICTIONS.contains(key)) { 4801 throw new SecurityException("Profile owners cannot set user restriction " + key); 4802 } 4803 boolean alreadyRestricted = mUserManager.hasUserRestriction(key, user); 4804 4805 IAudioService iAudioService = null; 4806 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key) 4807 || UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4808 iAudioService = IAudioService.Stub.asInterface( 4809 ServiceManager.getService(Context.AUDIO_SERVICE)); 4810 } 4811 4812 if (enabled && !alreadyRestricted) { 4813 try { 4814 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4815 iAudioService.setMicrophoneMute(true, who.getPackageName()); 4816 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4817 iAudioService.setMasterMute(true, 0, who.getPackageName(), null); 4818 } 4819 } catch (RemoteException re) { 4820 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4821 } 4822 } 4823 long id = Binder.clearCallingIdentity(); 4824 try { 4825 if (enabled && !alreadyRestricted) { 4826 if (UserManager.DISALLOW_CONFIG_WIFI.equals(key)) { 4827 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4828 Settings.Secure.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0, 4829 userHandle); 4830 } else if (UserManager.DISALLOW_USB_FILE_TRANSFER.equals(key)) { 4831 UsbManager manager = 4832 (UsbManager) mContext.getSystemService(Context.USB_SERVICE); 4833 manager.setCurrentFunction("none", false); 4834 } else if (UserManager.DISALLOW_SHARE_LOCATION.equals(key)) { 4835 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4836 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF, 4837 userHandle); 4838 Settings.Secure.putStringForUser(mContext.getContentResolver(), 4839 Settings.Secure.LOCATION_PROVIDERS_ALLOWED, "", 4840 userHandle); 4841 } else if (UserManager.DISALLOW_DEBUGGING_FEATURES.equals(key)) { 4842 // Only disable adb if changing for primary user, since it is global 4843 if (userHandle == UserHandle.USER_OWNER) { 4844 Settings.Global.putStringForUser(mContext.getContentResolver(), 4845 Settings.Global.ADB_ENABLED, "0", userHandle); 4846 } 4847 } else if (UserManager.ENSURE_VERIFY_APPS.equals(key)) { 4848 Settings.Global.putStringForUser(mContext.getContentResolver(), 4849 Settings.Global.PACKAGE_VERIFIER_ENABLE, "1", 4850 userHandle); 4851 Settings.Global.putStringForUser(mContext.getContentResolver(), 4852 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, "1", 4853 userHandle); 4854 } else if (UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES.equals(key)) { 4855 Settings.Secure.putIntForUser(mContext.getContentResolver(), 4856 Settings.Secure.INSTALL_NON_MARKET_APPS, 0, 4857 userHandle); 4858 } 4859 } 4860 mUserManager.setUserRestriction(key, enabled, user); 4861 } finally { 4862 restoreCallingIdentity(id); 4863 } 4864 if (!enabled && alreadyRestricted) { 4865 try { 4866 if (UserManager.DISALLOW_UNMUTE_MICROPHONE.equals(key)) { 4867 iAudioService.setMicrophoneMute(false, who.getPackageName()); 4868 } else if (UserManager.DISALLOW_ADJUST_VOLUME.equals(key)) { 4869 iAudioService.setMasterMute(false, 0, who.getPackageName(), null); 4870 } 4871 } catch (RemoteException re) { 4872 Slog.e(LOG_TAG, "Failed to talk to AudioService.", re); 4873 } 4874 } 4875 sendChangedNotification(userHandle); 4876 } 4877 } 4878 4879 @Override 4880 public boolean setApplicationHidden(ComponentName who, String packageName, 4881 boolean hidden) { 4882 int callingUserId = UserHandle.getCallingUserId(); 4883 synchronized (this) { 4884 if (who == null) { 4885 throw new NullPointerException("ComponentName is null"); 4886 } 4887 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4888 4889 long id = Binder.clearCallingIdentity(); 4890 try { 4891 IPackageManager pm = AppGlobals.getPackageManager(); 4892 return pm.setApplicationHiddenSettingAsUser(packageName, hidden, callingUserId); 4893 } catch (RemoteException re) { 4894 // shouldn't happen 4895 Slog.e(LOG_TAG, "Failed to setApplicationHiddenSetting", re); 4896 } finally { 4897 restoreCallingIdentity(id); 4898 } 4899 return false; 4900 } 4901 } 4902 4903 @Override 4904 public boolean isApplicationHidden(ComponentName who, String packageName) { 4905 int callingUserId = UserHandle.getCallingUserId(); 4906 synchronized (this) { 4907 if (who == null) { 4908 throw new NullPointerException("ComponentName is null"); 4909 } 4910 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4911 4912 long id = Binder.clearCallingIdentity(); 4913 try { 4914 IPackageManager pm = AppGlobals.getPackageManager(); 4915 return pm.getApplicationHiddenSettingAsUser(packageName, callingUserId); 4916 } catch (RemoteException re) { 4917 // shouldn't happen 4918 Slog.e(LOG_TAG, "Failed to getApplicationHiddenSettingAsUser", re); 4919 } finally { 4920 restoreCallingIdentity(id); 4921 } 4922 return false; 4923 } 4924 } 4925 4926 @Override 4927 public void enableSystemApp(ComponentName who, String packageName) { 4928 synchronized (this) { 4929 if (who == null) { 4930 throw new NullPointerException("ComponentName is null"); 4931 } 4932 4933 // This API can only be called by an active device admin, 4934 // so try to retrieve it to check that the caller is one. 4935 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4936 4937 int userId = UserHandle.getCallingUserId(); 4938 long id = Binder.clearCallingIdentity(); 4939 4940 try { 4941 if (DBG) { 4942 Slog.v(LOG_TAG, "installing " + packageName + " for " 4943 + userId); 4944 } 4945 4946 UserManager um = UserManager.get(mContext); 4947 UserInfo primaryUser = um.getProfileParent(userId); 4948 4949 // Call did not come from a managed profile 4950 if (primaryUser == null) { 4951 primaryUser = um.getUserInfo(userId); 4952 } 4953 4954 IPackageManager pm = AppGlobals.getPackageManager(); 4955 if (!isSystemApp(pm, packageName, primaryUser.id)) { 4956 throw new IllegalArgumentException("Only system apps can be enabled this way."); 4957 } 4958 4959 // Install the app. 4960 pm.installExistingPackageAsUser(packageName, userId); 4961 4962 } catch (RemoteException re) { 4963 // shouldn't happen 4964 Slog.wtf(LOG_TAG, "Failed to install " + packageName, re); 4965 } finally { 4966 restoreCallingIdentity(id); 4967 } 4968 } 4969 } 4970 4971 @Override 4972 public int enableSystemAppWithIntent(ComponentName who, Intent intent) { 4973 synchronized (this) { 4974 if (who == null) { 4975 throw new NullPointerException("ComponentName is null"); 4976 } 4977 4978 // This API can only be called by an active device admin, 4979 // so try to retrieve it to check that the caller is one. 4980 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 4981 4982 int userId = UserHandle.getCallingUserId(); 4983 long id = Binder.clearCallingIdentity(); 4984 4985 try { 4986 UserManager um = UserManager.get(mContext); 4987 UserInfo primaryUser = um.getProfileParent(userId); 4988 4989 // Call did not come from a managed profile. 4990 if (primaryUser == null) { 4991 primaryUser = um.getUserInfo(userId); 4992 } 4993 4994 IPackageManager pm = AppGlobals.getPackageManager(); 4995 List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, 4996 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 4997 0, // no flags 4998 primaryUser.id); 4999 5000 if (DBG) Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable); 5001 int numberOfAppsInstalled = 0; 5002 if (activitiesToEnable != null) { 5003 for (ResolveInfo info : activitiesToEnable) { 5004 if (info.activityInfo != null) { 5005 5006 if (!isSystemApp(pm, info.activityInfo.packageName, primaryUser.id)) { 5007 throw new IllegalArgumentException( 5008 "Only system apps can be enabled this way."); 5009 } 5010 5011 5012 numberOfAppsInstalled++; 5013 pm.installExistingPackageAsUser(info.activityInfo.packageName, userId); 5014 } 5015 } 5016 } 5017 return numberOfAppsInstalled; 5018 } catch (RemoteException e) { 5019 // shouldn't happen 5020 Slog.wtf(LOG_TAG, "Failed to resolve intent for: " + intent); 5021 return 0; 5022 } finally { 5023 restoreCallingIdentity(id); 5024 } 5025 } 5026 } 5027 5028 private boolean isSystemApp(IPackageManager pm, String packageName, int userId) 5029 throws RemoteException { 5030 ApplicationInfo appInfo = pm.getApplicationInfo(packageName, GET_UNINSTALLED_PACKAGES, 5031 userId); 5032 return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 5033 } 5034 5035 @Override 5036 public void setAccountManagementDisabled(ComponentName who, String accountType, 5037 boolean disabled) { 5038 if (!mHasFeature) { 5039 return; 5040 } 5041 synchronized (this) { 5042 if (who == null) { 5043 throw new NullPointerException("ComponentName is null"); 5044 } 5045 ActiveAdmin ap = getActiveAdminForCallerLocked(who, 5046 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5047 if (disabled) { 5048 ap.accountTypesWithManagementDisabled.add(accountType); 5049 } else { 5050 ap.accountTypesWithManagementDisabled.remove(accountType); 5051 } 5052 saveSettingsLocked(UserHandle.getCallingUserId()); 5053 } 5054 } 5055 5056 @Override 5057 public String[] getAccountTypesWithManagementDisabled() { 5058 return getAccountTypesWithManagementDisabledAsUser(UserHandle.getCallingUserId()); 5059 } 5060 5061 @Override 5062 public String[] getAccountTypesWithManagementDisabledAsUser(int userId) { 5063 enforceCrossUserPermission(userId); 5064 if (!mHasFeature) { 5065 return null; 5066 } 5067 synchronized (this) { 5068 DevicePolicyData policy = getUserData(userId); 5069 final int N = policy.mAdminList.size(); 5070 HashSet<String> resultSet = new HashSet<String>(); 5071 for (int i = 0; i < N; i++) { 5072 ActiveAdmin admin = policy.mAdminList.get(i); 5073 resultSet.addAll(admin.accountTypesWithManagementDisabled); 5074 } 5075 return resultSet.toArray(new String[resultSet.size()]); 5076 } 5077 } 5078 5079 @Override 5080 public void setUninstallBlocked(ComponentName who, String packageName, 5081 boolean uninstallBlocked) { 5082 final int userId = UserHandle.getCallingUserId(); 5083 5084 synchronized (this) { 5085 if (who == null) { 5086 throw new NullPointerException("ComponentName is null"); 5087 } 5088 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5089 5090 long id = Binder.clearCallingIdentity(); 5091 try { 5092 IPackageManager pm = AppGlobals.getPackageManager(); 5093 pm.setBlockUninstallForUser(packageName, uninstallBlocked, userId); 5094 } catch (RemoteException re) { 5095 // Shouldn't happen. 5096 Slog.e(LOG_TAG, "Failed to setBlockUninstallForUser", re); 5097 } finally { 5098 restoreCallingIdentity(id); 5099 } 5100 } 5101 } 5102 5103 @Override 5104 public boolean isUninstallBlocked(ComponentName who, String packageName) { 5105 // This function should return true if and only if the package is blocked by 5106 // setUninstallBlocked(). It should still return false for other cases of blocks, such as 5107 // when the package is a system app, or when it is an active device admin. 5108 final int userId = UserHandle.getCallingUserId(); 5109 5110 synchronized (this) { 5111 if (who != null) { 5112 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5113 } 5114 5115 long id = Binder.clearCallingIdentity(); 5116 try { 5117 IPackageManager pm = AppGlobals.getPackageManager(); 5118 return pm.getBlockUninstallForUser(packageName, userId); 5119 } catch (RemoteException re) { 5120 // Shouldn't happen. 5121 Slog.e(LOG_TAG, "Failed to getBlockUninstallForUser", re); 5122 } finally { 5123 restoreCallingIdentity(id); 5124 } 5125 } 5126 return false; 5127 } 5128 5129 @Override 5130 public void setCrossProfileCallerIdDisabled(ComponentName who, boolean disabled) { 5131 if (!mHasFeature) { 5132 return; 5133 } 5134 synchronized (this) { 5135 if (who == null) { 5136 throw new NullPointerException("ComponentName is null"); 5137 } 5138 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5139 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5140 if (admin.disableCallerId != disabled) { 5141 admin.disableCallerId = disabled; 5142 saveSettingsLocked(UserHandle.getCallingUserId()); 5143 } 5144 } 5145 } 5146 5147 @Override 5148 public boolean getCrossProfileCallerIdDisabled(ComponentName who) { 5149 if (!mHasFeature) { 5150 return false; 5151 } 5152 5153 synchronized (this) { 5154 if (who == null) { 5155 throw new NullPointerException("ComponentName is null"); 5156 } 5157 5158 ActiveAdmin admin = getActiveAdminForCallerLocked(who, 5159 DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5160 return admin.disableCallerId; 5161 } 5162 } 5163 5164 @Override 5165 public boolean getCrossProfileCallerIdDisabledForUser(int userId) { 5166 // TODO: Should there be a check to make sure this relationship is within a profile group? 5167 //enforceSystemProcess("getCrossProfileCallerIdDisabled can only be called by system"); 5168 synchronized (this) { 5169 ActiveAdmin admin = getProfileOwnerAdmin(userId); 5170 return (admin != null) ? admin.disableCallerId : false; 5171 } 5172 } 5173 5174 /** 5175 * Sets which packages may enter lock task mode. 5176 * 5177 * This function can only be called by the device owner. 5178 * @param components The list of components allowed to enter lock task mode. 5179 */ 5180 public void setLockTaskPackages(ComponentName who, String[] packages) throws SecurityException { 5181 synchronized (this) { 5182 if (who == null) { 5183 throw new NullPointerException("ComponentName is null"); 5184 } 5185 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5186 5187 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5188 DevicePolicyData policy = getUserData(userHandle); 5189 policy.mLockTaskPackages.clear(); 5190 if (packages != null) { 5191 for (int j = 0; j < packages.length; j++) { 5192 String pkg = packages[j]; 5193 policy.mLockTaskPackages.add(pkg); 5194 } 5195 } 5196 5197 // Store the settings persistently. 5198 saveSettingsLocked(userHandle); 5199 } 5200 } 5201 5202 /** 5203 * This function returns the list of components allowed to start the task lock mode. 5204 */ 5205 public String[] getLockTaskPackages(ComponentName who) { 5206 synchronized (this) { 5207 if (who == null) { 5208 throw new NullPointerException("ComponentName is null"); 5209 } 5210 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5211 5212 int userHandle = Binder.getCallingUserHandle().getIdentifier(); 5213 DevicePolicyData policy = getUserData(userHandle); 5214 return policy.mLockTaskPackages.toArray(new String[0]); 5215 } 5216 } 5217 5218 /** 5219 * This function lets the caller know whether the given package is allowed to start the 5220 * lock task mode. 5221 * @param pkg The package to check 5222 */ 5223 public boolean isLockTaskPermitted(String pkg) { 5224 // Get current user's devicepolicy 5225 int uid = Binder.getCallingUid(); 5226 int userHandle = UserHandle.getUserId(uid); 5227 DevicePolicyData policy = getUserData(userHandle); 5228 synchronized (this) { 5229 for (int i = 0; i < policy.mLockTaskPackages.size(); i++) { 5230 String lockTaskPackage = policy.mLockTaskPackages.get(i); 5231 5232 // If the given package equals one of the packages stored our list, 5233 // we allow this package to start lock task mode. 5234 if (lockTaskPackage.equals(pkg)) { 5235 return true; 5236 } 5237 } 5238 } 5239 return false; 5240 } 5241 5242 @Override 5243 public void notifyLockTaskModeChanged(boolean isEnabled, String pkg, int userHandle) { 5244 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 5245 throw new SecurityException("notifyLockTaskModeChanged can only be called by system"); 5246 } 5247 synchronized (this) { 5248 final DevicePolicyData policy = getUserData(userHandle); 5249 Bundle adminExtras = new Bundle(); 5250 adminExtras.putString(DeviceAdminReceiver.EXTRA_LOCK_TASK_PACKAGE, pkg); 5251 for (ActiveAdmin admin : policy.mAdminList) { 5252 boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); 5253 boolean ownsProfile = (getProfileOwner(userHandle) != null 5254 && getProfileOwner(userHandle).equals(admin.info.getPackageName())); 5255 if (ownsDevice || ownsProfile) { 5256 if (isEnabled) { 5257 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_ENTERING, 5258 adminExtras, null); 5259 } else { 5260 sendAdminCommandLocked(admin, DeviceAdminReceiver.ACTION_LOCK_TASK_EXITING); 5261 } 5262 } 5263 } 5264 } 5265 } 5266 5267 @Override 5268 public void setGlobalSetting(ComponentName who, String setting, String value) { 5269 final ContentResolver contentResolver = mContext.getContentResolver(); 5270 5271 synchronized (this) { 5272 if (who == null) { 5273 throw new NullPointerException("ComponentName is null"); 5274 } 5275 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); 5276 5277 if (!GLOBAL_SETTINGS_WHITELIST.contains(setting)) { 5278 throw new SecurityException(String.format( 5279 "Permission denial: device owners cannot update %1$s", setting)); 5280 } 5281 5282 long id = Binder.clearCallingIdentity(); 5283 try { 5284 Settings.Global.putString(contentResolver, setting, value); 5285 } finally { 5286 restoreCallingIdentity(id); 5287 } 5288 } 5289 } 5290 5291 @Override 5292 public void setSecureSetting(ComponentName who, String setting, String value) { 5293 int callingUserId = UserHandle.getCallingUserId(); 5294 final ContentResolver contentResolver = mContext.getContentResolver(); 5295 5296 synchronized (this) { 5297 if (who == null) { 5298 throw new NullPointerException("ComponentName is null"); 5299 } 5300 ActiveAdmin activeAdmin = 5301 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5302 5303 if (isDeviceOwner(activeAdmin.info.getPackageName())) { 5304 if (!SECURE_SETTINGS_DEVICEOWNER_WHITELIST.contains(setting)) { 5305 throw new SecurityException(String.format( 5306 "Permission denial: Device owners cannot update %1$s", setting)); 5307 } 5308 } else if (!SECURE_SETTINGS_WHITELIST.contains(setting)) { 5309 throw new SecurityException(String.format( 5310 "Permission denial: Profile owners cannot update %1$s", setting)); 5311 } 5312 5313 long id = Binder.clearCallingIdentity(); 5314 try { 5315 Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); 5316 } finally { 5317 restoreCallingIdentity(id); 5318 } 5319 } 5320 } 5321 5322 @Override 5323 public void setMasterVolumeMuted(ComponentName who, boolean on) { 5324 final ContentResolver contentResolver = mContext.getContentResolver(); 5325 5326 synchronized (this) { 5327 if (who == null) { 5328 throw new NullPointerException("ComponentName is null"); 5329 } 5330 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5331 5332 IAudioService iAudioService = IAudioService.Stub.asInterface( 5333 ServiceManager.getService(Context.AUDIO_SERVICE)); 5334 try{ 5335 iAudioService.setMasterMute(on, 0, who.getPackageName(), null); 5336 } catch (RemoteException re) { 5337 Slog.e(LOG_TAG, "Failed to setMasterMute", re); 5338 } 5339 } 5340 } 5341 5342 @Override 5343 public boolean isMasterVolumeMuted(ComponentName who) { 5344 final ContentResolver contentResolver = mContext.getContentResolver(); 5345 5346 synchronized (this) { 5347 if (who == null) { 5348 throw new NullPointerException("ComponentName is null"); 5349 } 5350 getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); 5351 5352 AudioManager audioManager = 5353 (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 5354 return audioManager.isMasterMute(); 5355 } 5356 } 5357 5358 /** 5359 * We need to update the internal state of whether a user has completed setup once. After 5360 * that, we ignore any changes that reset the Settings.Secure.USER_SETUP_COMPLETE changes 5361 * as we don't trust any apps that might try to reset it. 5362 * <p> 5363 * Unfortunately, we don't know which user's setup state was changed, so we write all of 5364 * them. 5365 */ 5366 void updateUserSetupComplete() { 5367 List<UserInfo> users = mUserManager.getUsers(true); 5368 ContentResolver resolver = mContext.getContentResolver(); 5369 final int N = users.size(); 5370 for (int i = 0; i < N; i++) { 5371 int userHandle = users.get(i).id; 5372 if (Settings.Secure.getIntForUser(resolver, Settings.Secure.USER_SETUP_COMPLETE, 0, 5373 userHandle) != 0) { 5374 DevicePolicyData policy = getUserData(userHandle); 5375 if (!policy.mUserSetupComplete) { 5376 policy.mUserSetupComplete = true; 5377 synchronized (this) { 5378 saveSettingsLocked(userHandle); 5379 } 5380 } 5381 } 5382 } 5383 } 5384 5385 private class SetupContentObserver extends ContentObserver { 5386 5387 private final Uri mUserSetupComplete = Settings.Secure.getUriFor( 5388 Settings.Secure.USER_SETUP_COMPLETE); 5389 5390 public SetupContentObserver(Handler handler) { 5391 super(handler); 5392 } 5393 5394 void register(ContentResolver resolver) { 5395 resolver.registerContentObserver(mUserSetupComplete, false, this, UserHandle.USER_ALL); 5396 } 5397 5398 @Override 5399 public void onChange(boolean selfChange, Uri uri) { 5400 if (mUserSetupComplete.equals(uri)) { 5401 updateUserSetupComplete(); 5402 } 5403 } 5404 } 5405 5406 private final class LocalService extends DevicePolicyManagerInternal { 5407 private List<OnCrossProfileWidgetProvidersChangeListener> mWidgetProviderListeners; 5408 5409 @Override 5410 public List<String> getCrossProfileWidgetProviders(int profileId) { 5411 synchronized (DevicePolicyManagerService.this) { 5412 if (mDeviceOwner == null) { 5413 return Collections.emptyList(); 5414 } 5415 ComponentName ownerComponent = mDeviceOwner.getProfileOwnerComponent(profileId); 5416 if (ownerComponent == null) { 5417 return Collections.emptyList(); 5418 } 5419 5420 DevicePolicyData policy = getUserData(profileId); 5421 ActiveAdmin admin = policy.mAdminMap.get(ownerComponent); 5422 5423 if (admin == null || admin.crossProfileWidgetProviders == null 5424 || admin.crossProfileWidgetProviders.isEmpty()) { 5425 return Collections.emptyList(); 5426 } 5427 5428 return admin.crossProfileWidgetProviders; 5429 } 5430 } 5431 5432 @Override 5433 public void addOnCrossProfileWidgetProvidersChangeListener( 5434 OnCrossProfileWidgetProvidersChangeListener listener) { 5435 synchronized (DevicePolicyManagerService.this) { 5436 if (mWidgetProviderListeners == null) { 5437 mWidgetProviderListeners = new ArrayList<>(); 5438 } 5439 if (!mWidgetProviderListeners.contains(listener)) { 5440 mWidgetProviderListeners.add(listener); 5441 } 5442 } 5443 } 5444 5445 private void notifyCrossProfileProvidersChanged(int userId, List<String> packages) { 5446 final List<OnCrossProfileWidgetProvidersChangeListener> listeners; 5447 synchronized (DevicePolicyManagerService.this) { 5448 listeners = new ArrayList<>(mWidgetProviderListeners); 5449 } 5450 final int listenerCount = listeners.size(); 5451 for (int i = 0; i < listenerCount; i++) { 5452 OnCrossProfileWidgetProvidersChangeListener listener = listeners.get(i); 5453 listener.onCrossProfileWidgetProvidersChanged(userId, packages); 5454 } 5455 } 5456 } 5457} 5458