| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.devicepolicy; |
| |
| import static android.Manifest.permission.MANAGE_CA_CERTIFICATES; |
| |
| import com.android.internal.R; |
| import com.android.internal.app.IAppOpsService; |
| import com.android.internal.os.storage.ExternalStorageFormatter; |
| import com.android.internal.util.FastXmlSerializer; |
| import com.android.internal.util.JournaledFile; |
| import com.android.internal.util.XmlUtils; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.org.conscrypt.TrustedCertificateStore; |
| import com.android.server.SystemService; |
| |
| import android.app.Activity; |
| import android.app.ActivityManagerNative; |
| import android.app.AlarmManager; |
| import android.app.AppGlobals; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.app.admin.DeviceAdminInfo; |
| import android.app.admin.DeviceAdminReceiver; |
| import android.app.admin.DevicePolicyManager; |
| import android.app.admin.IDevicePolicyManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.net.ProxyInfo; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.IPowerManager; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RecoverySystem; |
| import android.os.RemoteCallback; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.security.Credentials; |
| import android.security.IKeyChainService; |
| import android.security.KeyChain; |
| import android.security.KeyChain.KeyChainConnection; |
| import android.util.Log; |
| import android.util.PrintWriterPrinter; |
| import android.util.Printer; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Xml; |
| import android.view.IWindowManager; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| import java.text.DateFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Implementation of the device policy APIs. |
| */ |
| public class DevicePolicyManagerService extends IDevicePolicyManager.Stub { |
| |
| private static final String LOG_TAG = "DevicePolicyManagerService"; |
| |
| private static final String DEVICE_POLICIES_XML = "device_policies.xml"; |
| |
| private static final String LOCK_TASK_COMPONENTS_XML = "lock-task-component"; |
| |
| private static final int REQUEST_EXPIRE_PASSWORD = 5571; |
| |
| private static final long MS_PER_DAY = 86400 * 1000; |
| |
| private static final long EXPIRATION_GRACE_PERIOD_MS = 5 * MS_PER_DAY; // 5 days, in ms |
| |
| protected static final String ACTION_EXPIRED_PASSWORD_NOTIFICATION |
| = "com.android.server.ACTION_EXPIRED_PASSWORD_NOTIFICATION"; |
| |
| private static final int MONITORING_CERT_NOTIFICATION_ID = R.string.ssl_ca_cert_warning; |
| |
| private static final boolean DBG = false; |
| |
| private static final String ATTR_PERMISSION_PROVIDER = "permission-provider"; |
| |
| final Context mContext; |
| final UserManager mUserManager; |
| final PowerManager.WakeLock mWakeLock; |
| |
| IPowerManager mIPowerManager; |
| IWindowManager mIWindowManager; |
| NotificationManager mNotificationManager; |
| |
| // Stores and loads state on device and profile owners. |
| private DeviceOwner mDeviceOwner; |
| |
| /** |
| * Whether or not device admin feature is supported. If it isn't return defaults for all |
| * public methods. |
| */ |
| private boolean mHasFeature; |
| |
| public static final class Lifecycle extends SystemService { |
| private DevicePolicyManagerService mService; |
| |
| public Lifecycle(Context context) { |
| super(context); |
| mService = new DevicePolicyManagerService(context); |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.DEVICE_POLICY_SERVICE, mService); |
| } |
| |
| @Override |
| public void onBootPhase(int phase) { |
| if (phase == PHASE_LOCK_SETTINGS_READY) { |
| mService.systemReady(); |
| } |
| } |
| } |
| public static class DevicePolicyData { |
| int mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| int mActivePasswordLength = 0; |
| int mActivePasswordUpperCase = 0; |
| int mActivePasswordLowerCase = 0; |
| int mActivePasswordLetters = 0; |
| int mActivePasswordNumeric = 0; |
| int mActivePasswordSymbols = 0; |
| int mActivePasswordNonLetter = 0; |
| int mFailedPasswordAttempts = 0; |
| |
| int mUserHandle; |
| int mPasswordOwner = -1; |
| long mLastMaximumTimeToLock = -1; |
| |
| final HashMap<ComponentName, ActiveAdmin> mAdminMap |
| = new HashMap<ComponentName, ActiveAdmin>(); |
| final ArrayList<ActiveAdmin> mAdminList |
| = new ArrayList<ActiveAdmin>(); |
| |
| // This is the list of component allowed to start lock task mode. |
| final List<ComponentName> mLockTaskComponents = new ArrayList<ComponentName>(); |
| |
| ComponentName mRestrictionsProvider; |
| |
| public DevicePolicyData(int userHandle) { |
| mUserHandle = userHandle; |
| } |
| } |
| |
| final SparseArray<DevicePolicyData> mUserData = new SparseArray<DevicePolicyData>(); |
| |
| Handler mHandler = new Handler(); |
| |
| BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, |
| getSendingUserId()); |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) { |
| if (DBG) Slog.v(LOG_TAG, "Sending password expiration notifications for action " |
| + action + " for user " + userHandle); |
| mHandler.post(new Runnable() { |
| public void run() { |
| handlePasswordExpirationNotification(userHandle); |
| } |
| }); |
| } |
| if (Intent.ACTION_BOOT_COMPLETED.equals(action) |
| || KeyChain.ACTION_STORAGE_CHANGED.equals(action)) { |
| manageMonitoringCertificateNotification(intent); |
| } |
| if (Intent.ACTION_USER_REMOVED.equals(action)) { |
| removeUserData(userHandle); |
| } else if (Intent.ACTION_USER_STARTED.equals(action) |
| || Intent.ACTION_PACKAGE_CHANGED.equals(action) |
| || Intent.ACTION_PACKAGE_REMOVED.equals(action) |
| || Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
| |
| if (Intent.ACTION_USER_STARTED.equals(action)) { |
| // Reset the policy data |
| synchronized (DevicePolicyManagerService.this) { |
| mUserData.remove(userHandle); |
| } |
| } |
| |
| handlePackagesChanged(userHandle); |
| } |
| } |
| }; |
| |
| private IAppOpsService mAppOpsService; |
| |
| static class ActiveAdmin { |
| private static final String TAG_DISABLE_KEYGUARD_FEATURES = "disable-keyguard-features"; |
| private static final String TAG_DISABLE_CAMERA = "disable-camera"; |
| private static final String TAG_DISABLE_ACCOUNT_MANAGEMENT = "disable-account-management"; |
| private static final String TAG_ACCOUNT_TYPE = "account-type"; |
| private static final String TAG_ENCRYPTION_REQUESTED = "encryption-requested"; |
| private static final String TAG_PASSWORD_EXPIRATION_DATE = "password-expiration-date"; |
| private static final String TAG_PASSWORD_EXPIRATION_TIMEOUT = "password-expiration-timeout"; |
| private static final String TAG_GLOBAL_PROXY_EXCLUSION_LIST = "global-proxy-exclusion-list"; |
| private static final String TAG_GLOBAL_PROXY_SPEC = "global-proxy-spec"; |
| private static final String TAG_SPECIFIES_GLOBAL_PROXY = "specifies-global-proxy"; |
| private static final String TAG_MAX_FAILED_PASSWORD_WIPE = "max-failed-password-wipe"; |
| private static final String TAG_MAX_TIME_TO_UNLOCK = "max-time-to-unlock"; |
| private static final String TAG_MIN_PASSWORD_NONLETTER = "min-password-nonletter"; |
| private static final String TAG_MIN_PASSWORD_SYMBOLS = "min-password-symbols"; |
| private static final String TAG_MIN_PASSWORD_NUMERIC = "min-password-numeric"; |
| private static final String TAG_MIN_PASSWORD_LETTERS = "min-password-letters"; |
| private static final String TAG_MIN_PASSWORD_LOWERCASE = "min-password-lowercase"; |
| private static final String TAG_MIN_PASSWORD_UPPERCASE = "min-password-uppercase"; |
| private static final String TAG_PASSWORD_HISTORY_LENGTH = "password-history-length"; |
| private static final String TAG_MIN_PASSWORD_LENGTH = "min-password-length"; |
| private static final String ATTR_VALUE = "value"; |
| private static final String TAG_PASSWORD_QUALITY = "password-quality"; |
| private static final String TAG_POLICIES = "policies"; |
| |
| final DeviceAdminInfo info; |
| |
| int passwordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| |
| static final int DEF_MINIMUM_PASSWORD_LENGTH = 0; |
| int minimumPasswordLength = DEF_MINIMUM_PASSWORD_LENGTH; |
| |
| static final int DEF_PASSWORD_HISTORY_LENGTH = 0; |
| int passwordHistoryLength = DEF_PASSWORD_HISTORY_LENGTH; |
| |
| static final int DEF_MINIMUM_PASSWORD_UPPER_CASE = 0; |
| int minimumPasswordUpperCase = DEF_MINIMUM_PASSWORD_UPPER_CASE; |
| |
| static final int DEF_MINIMUM_PASSWORD_LOWER_CASE = 0; |
| int minimumPasswordLowerCase = DEF_MINIMUM_PASSWORD_LOWER_CASE; |
| |
| static final int DEF_MINIMUM_PASSWORD_LETTERS = 1; |
| int minimumPasswordLetters = DEF_MINIMUM_PASSWORD_LETTERS; |
| |
| static final int DEF_MINIMUM_PASSWORD_NUMERIC = 1; |
| int minimumPasswordNumeric = DEF_MINIMUM_PASSWORD_NUMERIC; |
| |
| static final int DEF_MINIMUM_PASSWORD_SYMBOLS = 1; |
| int minimumPasswordSymbols = DEF_MINIMUM_PASSWORD_SYMBOLS; |
| |
| static final int DEF_MINIMUM_PASSWORD_NON_LETTER = 0; |
| int minimumPasswordNonLetter = DEF_MINIMUM_PASSWORD_NON_LETTER; |
| |
| static final long DEF_MAXIMUM_TIME_TO_UNLOCK = 0; |
| long maximumTimeToUnlock = DEF_MAXIMUM_TIME_TO_UNLOCK; |
| |
| static final int DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE = 0; |
| int maximumFailedPasswordsForWipe = DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE; |
| |
| static final long DEF_PASSWORD_EXPIRATION_TIMEOUT = 0; |
| long passwordExpirationTimeout = DEF_PASSWORD_EXPIRATION_TIMEOUT; |
| |
| static final long DEF_PASSWORD_EXPIRATION_DATE = 0; |
| long passwordExpirationDate = DEF_PASSWORD_EXPIRATION_DATE; |
| |
| static final int DEF_KEYGUARD_FEATURES_DISABLED = 0; // none |
| int disabledKeyguardFeatures = DEF_KEYGUARD_FEATURES_DISABLED; |
| |
| boolean encryptionRequested = false; |
| boolean disableCamera = false; |
| Set<String> accountTypesWithManagementDisabled = new HashSet<String>(); |
| |
| // TODO: review implementation decisions with frameworks team |
| boolean specifiesGlobalProxy = false; |
| String globalProxySpec = null; |
| String globalProxyExclusionList = null; |
| |
| ActiveAdmin(DeviceAdminInfo _info) { |
| info = _info; |
| } |
| |
| int getUid() { return info.getActivityInfo().applicationInfo.uid; } |
| |
| public UserHandle getUserHandle() { |
| return new UserHandle(UserHandle.getUserId(info.getActivityInfo().applicationInfo.uid)); |
| } |
| |
| void writeToXml(XmlSerializer out) |
| throws IllegalArgumentException, IllegalStateException, IOException { |
| out.startTag(null, TAG_POLICIES); |
| info.writePoliciesToXml(out); |
| out.endTag(null, TAG_POLICIES); |
| if (passwordQuality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| out.startTag(null, TAG_PASSWORD_QUALITY); |
| out.attribute(null, ATTR_VALUE, Integer.toString(passwordQuality)); |
| out.endTag(null, TAG_PASSWORD_QUALITY); |
| if (minimumPasswordLength != DEF_MINIMUM_PASSWORD_LENGTH) { |
| out.startTag(null, TAG_MIN_PASSWORD_LENGTH); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLength)); |
| out.endTag(null, TAG_MIN_PASSWORD_LENGTH); |
| } |
| if(passwordHistoryLength != DEF_PASSWORD_HISTORY_LENGTH) { |
| out.startTag(null, TAG_PASSWORD_HISTORY_LENGTH); |
| out.attribute(null, ATTR_VALUE, Integer.toString(passwordHistoryLength)); |
| out.endTag(null, TAG_PASSWORD_HISTORY_LENGTH); |
| } |
| if (minimumPasswordUpperCase != DEF_MINIMUM_PASSWORD_UPPER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordUpperCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_UPPERCASE); |
| } |
| if (minimumPasswordLowerCase != DEF_MINIMUM_PASSWORD_LOWER_CASE) { |
| out.startTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLowerCase)); |
| out.endTag(null, TAG_MIN_PASSWORD_LOWERCASE); |
| } |
| if (minimumPasswordLetters != DEF_MINIMUM_PASSWORD_LETTERS) { |
| out.startTag(null, TAG_MIN_PASSWORD_LETTERS); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordLetters)); |
| out.endTag(null, TAG_MIN_PASSWORD_LETTERS); |
| } |
| if (minimumPasswordNumeric != DEF_MINIMUM_PASSWORD_NUMERIC) { |
| out.startTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNumeric)); |
| out.endTag(null, TAG_MIN_PASSWORD_NUMERIC); |
| } |
| if (minimumPasswordSymbols != DEF_MINIMUM_PASSWORD_SYMBOLS) { |
| out.startTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordSymbols)); |
| out.endTag(null, TAG_MIN_PASSWORD_SYMBOLS); |
| } |
| if (minimumPasswordNonLetter > DEF_MINIMUM_PASSWORD_NON_LETTER) { |
| out.startTag(null, TAG_MIN_PASSWORD_NONLETTER); |
| out.attribute(null, ATTR_VALUE, Integer.toString(minimumPasswordNonLetter)); |
| out.endTag(null, TAG_MIN_PASSWORD_NONLETTER); |
| } |
| } |
| if (maximumTimeToUnlock != DEF_MAXIMUM_TIME_TO_UNLOCK) { |
| out.startTag(null, TAG_MAX_TIME_TO_UNLOCK); |
| out.attribute(null, ATTR_VALUE, Long.toString(maximumTimeToUnlock)); |
| out.endTag(null, TAG_MAX_TIME_TO_UNLOCK); |
| } |
| if (maximumFailedPasswordsForWipe != DEF_MAXIMUM_FAILED_PASSWORDS_FOR_WIPE) { |
| out.startTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); |
| out.attribute(null, ATTR_VALUE, Integer.toString(maximumFailedPasswordsForWipe)); |
| out.endTag(null, TAG_MAX_FAILED_PASSWORD_WIPE); |
| } |
| if (specifiesGlobalProxy) { |
| out.startTag(null, TAG_SPECIFIES_GLOBAL_PROXY); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(specifiesGlobalProxy)); |
| out.endTag(null, TAG_SPECIFIES_GLOBAL_PROXY); |
| if (globalProxySpec != null) { |
| out.startTag(null, TAG_GLOBAL_PROXY_SPEC); |
| out.attribute(null, ATTR_VALUE, globalProxySpec); |
| out.endTag(null, TAG_GLOBAL_PROXY_SPEC); |
| } |
| if (globalProxyExclusionList != null) { |
| out.startTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); |
| out.attribute(null, ATTR_VALUE, globalProxyExclusionList); |
| out.endTag(null, TAG_GLOBAL_PROXY_EXCLUSION_LIST); |
| } |
| } |
| if (passwordExpirationTimeout != DEF_PASSWORD_EXPIRATION_TIMEOUT) { |
| out.startTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); |
| out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationTimeout)); |
| out.endTag(null, TAG_PASSWORD_EXPIRATION_TIMEOUT); |
| } |
| if (passwordExpirationDate != DEF_PASSWORD_EXPIRATION_DATE) { |
| out.startTag(null, TAG_PASSWORD_EXPIRATION_DATE); |
| out.attribute(null, ATTR_VALUE, Long.toString(passwordExpirationDate)); |
| out.endTag(null, TAG_PASSWORD_EXPIRATION_DATE); |
| } |
| if (encryptionRequested) { |
| out.startTag(null, TAG_ENCRYPTION_REQUESTED); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(encryptionRequested)); |
| out.endTag(null, TAG_ENCRYPTION_REQUESTED); |
| } |
| if (disableCamera) { |
| out.startTag(null, TAG_DISABLE_CAMERA); |
| out.attribute(null, ATTR_VALUE, Boolean.toString(disableCamera)); |
| out.endTag(null, TAG_DISABLE_CAMERA); |
| } |
| if (disabledKeyguardFeatures != DEF_KEYGUARD_FEATURES_DISABLED) { |
| out.startTag(null, TAG_DISABLE_KEYGUARD_FEATURES); |
| out.attribute(null, ATTR_VALUE, Integer.toString(disabledKeyguardFeatures)); |
| out.endTag(null, TAG_DISABLE_KEYGUARD_FEATURES); |
| } |
| if (!accountTypesWithManagementDisabled.isEmpty()) { |
| out.startTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); |
| for (String ac : accountTypesWithManagementDisabled) { |
| out.startTag(null, TAG_ACCOUNT_TYPE); |
| out.attribute(null, ATTR_VALUE, ac); |
| out.endTag(null, TAG_ACCOUNT_TYPE); |
| } |
| out.endTag(null, TAG_DISABLE_ACCOUNT_MANAGEMENT); |
| } |
| } |
| |
| void readFromXml(XmlPullParser parser) |
| throws XmlPullParserException, IOException { |
| int outerDepth = parser.getDepth(); |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| continue; |
| } |
| String tag = parser.getName(); |
| if (TAG_POLICIES.equals(tag)) { |
| info.readPoliciesFromXml(parser); |
| } else if (TAG_PASSWORD_QUALITY.equals(tag)) { |
| passwordQuality = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LENGTH.equals(tag)) { |
| minimumPasswordLength = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_PASSWORD_HISTORY_LENGTH.equals(tag)) { |
| passwordHistoryLength = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_UPPERCASE.equals(tag)) { |
| minimumPasswordUpperCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LOWERCASE.equals(tag)) { |
| minimumPasswordLowerCase = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_LETTERS.equals(tag)) { |
| minimumPasswordLetters = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NUMERIC.equals(tag)) { |
| minimumPasswordNumeric = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_SYMBOLS.equals(tag)) { |
| minimumPasswordSymbols = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MIN_PASSWORD_NONLETTER.equals(tag)) { |
| minimumPasswordNonLetter = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MAX_TIME_TO_UNLOCK.equals(tag)) { |
| maximumTimeToUnlock = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_MAX_FAILED_PASSWORD_WIPE.equals(tag)) { |
| maximumFailedPasswordsForWipe = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_SPECIFIES_GLOBAL_PROXY.equals(tag)) { |
| specifiesGlobalProxy = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_GLOBAL_PROXY_SPEC.equals(tag)) { |
| globalProxySpec = |
| parser.getAttributeValue(null, ATTR_VALUE); |
| } else if (TAG_GLOBAL_PROXY_EXCLUSION_LIST.equals(tag)) { |
| globalProxyExclusionList = |
| parser.getAttributeValue(null, ATTR_VALUE); |
| } else if (TAG_PASSWORD_EXPIRATION_TIMEOUT.equals(tag)) { |
| passwordExpirationTimeout = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_PASSWORD_EXPIRATION_DATE.equals(tag)) { |
| passwordExpirationDate = Long.parseLong( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_ENCRYPTION_REQUESTED.equals(tag)) { |
| encryptionRequested = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_CAMERA.equals(tag)) { |
| disableCamera = Boolean.parseBoolean( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_KEYGUARD_FEATURES.equals(tag)) { |
| disabledKeyguardFeatures = Integer.parseInt( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else if (TAG_DISABLE_ACCOUNT_MANAGEMENT.equals(tag)) { |
| int outerDepthDAM = parser.getDepth(); |
| int typeDAM; |
| while ((typeDAM=parser.next()) != XmlPullParser.END_DOCUMENT |
| && (typeDAM != XmlPullParser.END_TAG |
| || parser.getDepth() > outerDepthDAM)) { |
| if (typeDAM == XmlPullParser.END_TAG || typeDAM == XmlPullParser.TEXT) { |
| continue; |
| } |
| String tagDAM = parser.getName(); |
| if (TAG_ACCOUNT_TYPE.equals(tagDAM)) { |
| accountTypesWithManagementDisabled.add( |
| parser.getAttributeValue(null, ATTR_VALUE)); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag under " + tag + ": " + tagDAM); |
| } |
| } |
| } else { |
| Slog.w(LOG_TAG, "Unknown admin tag: " + tag); |
| } |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| |
| void dump(String prefix, PrintWriter pw) { |
| pw.print(prefix); pw.print("uid="); pw.println(getUid()); |
| pw.print(prefix); pw.println("policies:"); |
| ArrayList<DeviceAdminInfo.PolicyInfo> pols = info.getUsedPolicies(); |
| if (pols != null) { |
| for (int i=0; i<pols.size(); i++) { |
| pw.print(prefix); pw.print(" "); pw.println(pols.get(i).tag); |
| } |
| } |
| pw.print(prefix); pw.print("passwordQuality=0x"); |
| pw.println(Integer.toHexString(passwordQuality)); |
| pw.print(prefix); pw.print("minimumPasswordLength="); |
| pw.println(minimumPasswordLength); |
| pw.print(prefix); pw.print("passwordHistoryLength="); |
| pw.println(passwordHistoryLength); |
| pw.print(prefix); pw.print("minimumPasswordUpperCase="); |
| pw.println(minimumPasswordUpperCase); |
| pw.print(prefix); pw.print("minimumPasswordLowerCase="); |
| pw.println(minimumPasswordLowerCase); |
| pw.print(prefix); pw.print("minimumPasswordLetters="); |
| pw.println(minimumPasswordLetters); |
| pw.print(prefix); pw.print("minimumPasswordNumeric="); |
| pw.println(minimumPasswordNumeric); |
| pw.print(prefix); pw.print("minimumPasswordSymbols="); |
| pw.println(minimumPasswordSymbols); |
| pw.print(prefix); pw.print("minimumPasswordNonLetter="); |
| pw.println(minimumPasswordNonLetter); |
| pw.print(prefix); pw.print("maximumTimeToUnlock="); |
| pw.println(maximumTimeToUnlock); |
| pw.print(prefix); pw.print("maximumFailedPasswordsForWipe="); |
| pw.println(maximumFailedPasswordsForWipe); |
| pw.print(prefix); pw.print("specifiesGlobalProxy="); |
| pw.println(specifiesGlobalProxy); |
| pw.print(prefix); pw.print("passwordExpirationTimeout="); |
| pw.println(passwordExpirationTimeout); |
| pw.print(prefix); pw.print("passwordExpirationDate="); |
| pw.println(passwordExpirationDate); |
| if (globalProxySpec != null) { |
| pw.print(prefix); pw.print("globalProxySpec="); |
| pw.println(globalProxySpec); |
| } |
| if (globalProxyExclusionList != null) { |
| pw.print(prefix); pw.print("globalProxyEclusionList="); |
| pw.println(globalProxyExclusionList); |
| } |
| pw.print(prefix); pw.print("encryptionRequested="); |
| pw.println(encryptionRequested); |
| pw.print(prefix); pw.print("disableCamera="); |
| pw.println(disableCamera); |
| pw.print(prefix); pw.print("disabledKeyguardFeatures="); |
| pw.println(disabledKeyguardFeatures); |
| } |
| } |
| |
| private void handlePackagesChanged(int userHandle) { |
| boolean removed = false; |
| if (DBG) Slog.d(LOG_TAG, "Handling package changes for user " + userHandle); |
| DevicePolicyData policy = getUserData(userHandle); |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { |
| ActiveAdmin aa = policy.mAdminList.get(i); |
| try { |
| if (pm.getPackageInfo(aa.info.getPackageName(), 0, userHandle) == null |
| || pm.getReceiverInfo(aa.info.getComponent(), 0, userHandle) == null) { |
| removed = true; |
| policy.mAdminList.remove(i); |
| policy.mAdminMap.remove(aa.info.getComponent()); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| if (removed) { |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| saveSettingsLocked(policy.mUserHandle); |
| } |
| } |
| |
| /** |
| * Instantiates the service. |
| */ |
| public DevicePolicyManagerService(Context context) { |
| mContext = context; |
| mUserManager = UserManager.get(mContext); |
| mHasFeature = context.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_DEVICE_ADMIN); |
| mWakeLock = ((PowerManager)context.getSystemService(Context.POWER_SERVICE)) |
| .newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "DPM"); |
| if (!mHasFeature) { |
| // Skip the rest of the initialization |
| return; |
| } |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BOOT_COMPLETED); |
| filter.addAction(ACTION_EXPIRED_PASSWORD_NOTIFICATION); |
| filter.addAction(Intent.ACTION_USER_REMOVED); |
| filter.addAction(Intent.ACTION_USER_STARTED); |
| filter.addAction(KeyChain.ACTION_STORAGE_CHANGED); |
| filter.setPriority(IntentFilter.SYSTEM_HIGH_PRIORITY); |
| context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| filter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); |
| filter.addAction(Intent.ACTION_PACKAGE_ADDED); |
| filter.addDataScheme("package"); |
| context.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler); |
| } |
| |
| /** |
| * Creates and loads the policy data from xml. |
| * @param userHandle the user for whom to load the policy data |
| * @return |
| */ |
| DevicePolicyData getUserData(int userHandle) { |
| synchronized (this) { |
| DevicePolicyData policy = mUserData.get(userHandle); |
| if (policy == null) { |
| policy = new DevicePolicyData(userHandle); |
| mUserData.append(userHandle, policy); |
| loadSettingsLocked(policy, userHandle); |
| } |
| return policy; |
| } |
| } |
| |
| void removeUserData(int userHandle) { |
| synchronized (this) { |
| if (userHandle == UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Tried to remove device policy file for user 0! Ignoring."); |
| return; |
| } |
| if (mDeviceOwner != null) { |
| mDeviceOwner.removeProfileOwner(userHandle); |
| mDeviceOwner.writeOwnerFile(); |
| } |
| |
| DevicePolicyData policy = mUserData.get(userHandle); |
| if (policy != null) { |
| mUserData.remove(userHandle); |
| } |
| File policyFile = new File(Environment.getUserSystemDirectory(userHandle), |
| DEVICE_POLICIES_XML); |
| policyFile.delete(); |
| Slog.i(LOG_TAG, "Removed device policy file " + policyFile.getAbsolutePath()); |
| } |
| } |
| |
| void loadDeviceOwner() { |
| synchronized (this) { |
| mDeviceOwner = DeviceOwner.load(); |
| } |
| } |
| |
| /** |
| * Set an alarm for an upcoming event - expiration warning, expiration, or post-expiration |
| * reminders. Clears alarm if no expirations are configured. |
| */ |
| protected void setExpirationAlarmCheckLocked(Context context, DevicePolicyData policy) { |
| final long expiration = getPasswordExpirationLocked(null, policy.mUserHandle); |
| final long now = System.currentTimeMillis(); |
| final long timeToExpire = expiration - now; |
| final long alarmTime; |
| if (expiration == 0) { |
| // No expirations are currently configured: Cancel alarm. |
| alarmTime = 0; |
| } else if (timeToExpire <= 0) { |
| // The password has already expired: Repeat every 24 hours. |
| alarmTime = now + MS_PER_DAY; |
| } else { |
| // Selecting the next alarm time: Roll forward to the next 24 hour multiple before |
| // the expiration time. |
| long alarmInterval = timeToExpire % MS_PER_DAY; |
| if (alarmInterval == 0) { |
| alarmInterval = MS_PER_DAY; |
| } |
| alarmTime = now + alarmInterval; |
| } |
| |
| long token = Binder.clearCallingIdentity(); |
| try { |
| AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); |
| PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD, |
| new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION), |
| PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT, |
| new UserHandle(policy.mUserHandle)); |
| am.cancel(pi); |
| if (alarmTime != 0) { |
| am.set(AlarmManager.RTC, alarmTime, pi); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private IPowerManager getIPowerManager() { |
| if (mIPowerManager == null) { |
| IBinder b = ServiceManager.getService(Context.POWER_SERVICE); |
| mIPowerManager = IPowerManager.Stub.asInterface(b); |
| } |
| return mIPowerManager; |
| } |
| |
| private IWindowManager getWindowManager() { |
| if (mIWindowManager == null) { |
| IBinder b = ServiceManager.getService(Context.WINDOW_SERVICE); |
| mIWindowManager = IWindowManager.Stub.asInterface(b); |
| } |
| return mIWindowManager; |
| } |
| |
| private NotificationManager getNotificationManager() { |
| if (mNotificationManager == null) { |
| mNotificationManager = |
| (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| } |
| return mNotificationManager; |
| } |
| |
| ActiveAdmin getActiveAdminUncheckedLocked(ComponentName who, int userHandle) { |
| ActiveAdmin admin = getUserData(userHandle).mAdminMap.get(who); |
| if (admin != null |
| && who.getPackageName().equals(admin.info.getActivityInfo().packageName) |
| && who.getClassName().equals(admin.info.getActivityInfo().name)) { |
| return admin; |
| } |
| return null; |
| } |
| |
| ActiveAdmin getActiveAdminForCallerLocked(ComponentName who, int reqPolicy) |
| throws SecurityException { |
| final int callingUid = Binder.getCallingUid(); |
| final int userHandle = UserHandle.getUserId(callingUid); |
| final DevicePolicyData policy = getUserData(userHandle); |
| |
| List<ActiveAdmin> candidates = new ArrayList<ActiveAdmin>(); |
| |
| // Build a list of admins for this uid matching the given ComponentName |
| if (who != null) { |
| ActiveAdmin admin = policy.mAdminMap.get(who); |
| if (admin == null) { |
| throw new SecurityException("No active admin " + who); |
| } |
| if (admin.getUid() != callingUid) { |
| throw new SecurityException("Admin " + who + " is not owned by uid " |
| + Binder.getCallingUid()); |
| } |
| candidates.add(admin); |
| } else { |
| for (ActiveAdmin admin : policy.mAdminList) { |
| if (admin.getUid() == callingUid) { |
| candidates.add(admin); |
| } |
| } |
| } |
| |
| // Try to find an admin which can use reqPolicy |
| for (ActiveAdmin admin : candidates) { |
| boolean ownsDevice = isDeviceOwner(admin.info.getPackageName()); |
| boolean ownsProfile = (getProfileOwner(userHandle) != null |
| && getProfileOwner(userHandle).equals(admin.info.getPackageName())); |
| |
| if (reqPolicy == DeviceAdminInfo.USES_POLICY_DEVICE_OWNER) { |
| if (ownsDevice) { |
| return admin; |
| } |
| } else if (reqPolicy == DeviceAdminInfo.USES_POLICY_PROFILE_OWNER) { |
| if (ownsDevice || ownsProfile) { |
| return admin; |
| } |
| } else { |
| if (admin.info.usesPolicy(reqPolicy)) { |
| return admin; |
| } |
| } |
| } |
| |
| if (who != null) { |
| throw new SecurityException("Admin " + candidates.get(0).info.getComponent() |
| + " did not specify uses-policy for: " |
| + candidates.get(0).info.getTagForPolicy(reqPolicy)); |
| } else { |
| throw new SecurityException("No active admin owned by uid " |
| + Binder.getCallingUid() + " for policy:" + reqPolicy); |
| } |
| } |
| |
| void sendAdminCommandLocked(ActiveAdmin admin, String action) { |
| sendAdminCommandLocked(admin, action, null); |
| } |
| |
| /** |
| * Send an update to one specific admin, get notified when that admin returns a result. |
| */ |
| void sendAdminCommandLocked(ActiveAdmin admin, String action, BroadcastReceiver result) { |
| Intent intent = new Intent(action); |
| intent.setComponent(admin.info.getComponent()); |
| if (action.equals(DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING)) { |
| intent.putExtra("expiration", admin.passwordExpirationDate); |
| } |
| if (result != null) { |
| mContext.sendOrderedBroadcastAsUser(intent, admin.getUserHandle(), |
| null, result, mHandler, Activity.RESULT_OK, null, null); |
| } else { |
| mContext.sendBroadcastAsUser(intent, admin.getUserHandle()); |
| } |
| } |
| |
| /** |
| * Send an update to all admins of a user that enforce a specified policy. |
| */ |
| void sendAdminCommandLocked(String action, int reqPolicy, int userHandle) { |
| final DevicePolicyData policy = getUserData(userHandle); |
| final int count = policy.mAdminList.size(); |
| if (count > 0) { |
| for (int i = 0; i < count; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(reqPolicy)) { |
| sendAdminCommandLocked(admin, action); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Send an update intent to all admins of a user and its profiles. Only send to admins that |
| * enforce a specified policy. |
| */ |
| private void sendAdminCommandToSelfAndProfilesLocked(String action, int reqPolicy, |
| int userHandle) { |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo ui : profiles) { |
| int id = ui.getUserHandle().getIdentifier(); |
| sendAdminCommandLocked(action, reqPolicy, id); |
| } |
| } |
| |
| void removeActiveAdminLocked(final ComponentName adminReceiver, int userHandle) { |
| final ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin != null) { |
| sendAdminCommandLocked(admin, |
| DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLED, |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| synchronized (DevicePolicyManagerService.this) { |
| int userHandle = admin.getUserHandle().getIdentifier(); |
| DevicePolicyData policy = getUserData(userHandle); |
| boolean doProxyCleanup = admin.info.usesPolicy( |
| DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); |
| policy.mAdminList.remove(admin); |
| policy.mAdminMap.remove(adminReceiver); |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| if (doProxyCleanup) { |
| resetGlobalProxyLocked(getUserData(userHandle)); |
| } |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(policy); |
| } |
| } |
| }); |
| } |
| } |
| |
| public DeviceAdminInfo findAdmin(ComponentName adminName, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceCrossUserPermission(userHandle); |
| Intent resolveIntent = new Intent(); |
| resolveIntent.setComponent(adminName); |
| List<ResolveInfo> infos = mContext.getPackageManager().queryBroadcastReceivers( |
| resolveIntent, |
| PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, |
| userHandle); |
| if (infos == null || infos.size() <= 0) { |
| throw new IllegalArgumentException("Unknown admin: " + adminName); |
| } |
| |
| try { |
| return new DeviceAdminInfo(mContext, infos.get(0)); |
| } catch (XmlPullParserException e) { |
| Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, |
| e); |
| return null; |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "Bad device admin requested for user=" + userHandle + ": " + adminName, |
| e); |
| return null; |
| } |
| } |
| |
| private static JournaledFile makeJournaledFile(int userHandle) { |
| final String base = userHandle == 0 |
| ? "/data/system/" + DEVICE_POLICIES_XML |
| : new File(Environment.getUserSystemDirectory(userHandle), DEVICE_POLICIES_XML) |
| .getAbsolutePath(); |
| return new JournaledFile(new File(base), new File(base + ".tmp")); |
| } |
| |
| private void saveSettingsLocked(int userHandle) { |
| DevicePolicyData policy = getUserData(userHandle); |
| JournaledFile journal = makeJournaledFile(userHandle); |
| FileOutputStream stream = null; |
| try { |
| stream = new FileOutputStream(journal.chooseForWrite(), false); |
| XmlSerializer out = new FastXmlSerializer(); |
| out.setOutput(stream, "utf-8"); |
| out.startDocument(null, true); |
| |
| out.startTag(null, "policies"); |
| if (policy.mRestrictionsProvider != null) { |
| out.attribute(null, ATTR_PERMISSION_PROVIDER, |
| policy.mRestrictionsProvider.flattenToString()); |
| } |
| |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap != null) { |
| out.startTag(null, "admin"); |
| out.attribute(null, "name", ap.info.getComponent().flattenToString()); |
| ap.writeToXml(out); |
| out.endTag(null, "admin"); |
| } |
| } |
| |
| if (policy.mPasswordOwner >= 0) { |
| out.startTag(null, "password-owner"); |
| out.attribute(null, "value", Integer.toString(policy.mPasswordOwner)); |
| out.endTag(null, "password-owner"); |
| } |
| |
| if (policy.mFailedPasswordAttempts != 0) { |
| out.startTag(null, "failed-password-attempts"); |
| out.attribute(null, "value", Integer.toString(policy.mFailedPasswordAttempts)); |
| out.endTag(null, "failed-password-attempts"); |
| } |
| |
| if (policy.mActivePasswordQuality != 0 || policy.mActivePasswordLength != 0 |
| || policy.mActivePasswordUpperCase != 0 || policy.mActivePasswordLowerCase != 0 |
| || policy.mActivePasswordLetters != 0 || policy.mActivePasswordNumeric != 0 |
| || policy.mActivePasswordSymbols != 0 || policy.mActivePasswordNonLetter != 0) { |
| out.startTag(null, "active-password"); |
| out.attribute(null, "quality", Integer.toString(policy.mActivePasswordQuality)); |
| out.attribute(null, "length", Integer.toString(policy.mActivePasswordLength)); |
| out.attribute(null, "uppercase", Integer.toString(policy.mActivePasswordUpperCase)); |
| out.attribute(null, "lowercase", Integer.toString(policy.mActivePasswordLowerCase)); |
| out.attribute(null, "letters", Integer.toString(policy.mActivePasswordLetters)); |
| out.attribute(null, "numeric", Integer |
| .toString(policy.mActivePasswordNumeric)); |
| out.attribute(null, "symbols", Integer.toString(policy.mActivePasswordSymbols)); |
| out.attribute(null, "nonletter", Integer.toString(policy.mActivePasswordNonLetter)); |
| out.endTag(null, "active-password"); |
| } |
| |
| for (int i=0; i<policy.mLockTaskComponents.size(); i++) { |
| ComponentName component = policy.mLockTaskComponents.get(i); |
| out.startTag(null, LOCK_TASK_COMPONENTS_XML); |
| out.attribute(null, "name", component.flattenToString()); |
| out.endTag(null, LOCK_TASK_COMPONENTS_XML); |
| } |
| |
| out.endTag(null, "policies"); |
| |
| out.endDocument(); |
| stream.close(); |
| journal.commit(); |
| sendChangedNotification(userHandle); |
| } catch (IOException e) { |
| try { |
| if (stream != null) { |
| stream.close(); |
| } |
| } catch (IOException ex) { |
| // Ignore |
| } |
| journal.rollback(); |
| } |
| } |
| |
| private void sendChangedNotification(int userHandle) { |
| Intent intent = new Intent(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED); |
| intent.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mContext.sendBroadcastAsUser(intent, new UserHandle(userHandle)); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void loadSettingsLocked(DevicePolicyData policy, int userHandle) { |
| JournaledFile journal = makeJournaledFile(userHandle); |
| FileInputStream stream = null; |
| File file = journal.chooseForRead(); |
| try { |
| stream = new FileInputStream(file); |
| XmlPullParser parser = Xml.newPullParser(); |
| parser.setInput(stream, null); |
| |
| int type; |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && type != XmlPullParser.START_TAG) { |
| } |
| String tag = parser.getName(); |
| if (!"policies".equals(tag)) { |
| throw new XmlPullParserException( |
| "Settings do not start with policies tag: found " + tag); |
| } |
| |
| // Extract the permission provider component name if available |
| String permissionProvider = parser.getAttributeValue(null, ATTR_PERMISSION_PROVIDER); |
| if (permissionProvider != null) { |
| policy.mRestrictionsProvider = ComponentName.unflattenFromString(permissionProvider); |
| } |
| |
| type = parser.next(); |
| int outerDepth = parser.getDepth(); |
| policy.mLockTaskComponents.clear(); |
| while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { |
| if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { |
| continue; |
| } |
| tag = parser.getName(); |
| if ("admin".equals(tag)) { |
| String name = parser.getAttributeValue(null, "name"); |
| try { |
| DeviceAdminInfo dai = findAdmin( |
| ComponentName.unflattenFromString(name), userHandle); |
| if (DBG && (UserHandle.getUserId(dai.getActivityInfo().applicationInfo.uid) |
| != userHandle)) { |
| Slog.w(LOG_TAG, "findAdmin returned an incorrect uid " |
| + dai.getActivityInfo().applicationInfo.uid + " for user " |
| + userHandle); |
| } |
| if (dai != null) { |
| ActiveAdmin ap = new ActiveAdmin(dai); |
| ap.readFromXml(parser); |
| policy.mAdminMap.put(ap.info.getComponent(), ap); |
| policy.mAdminList.add(ap); |
| } |
| } catch (RuntimeException e) { |
| Slog.w(LOG_TAG, "Failed loading admin " + name, e); |
| } |
| } else if ("failed-password-attempts".equals(tag)) { |
| policy.mFailedPasswordAttempts = Integer.parseInt( |
| parser.getAttributeValue(null, "value")); |
| XmlUtils.skipCurrentTag(parser); |
| } else if ("password-owner".equals(tag)) { |
| policy.mPasswordOwner = Integer.parseInt( |
| parser.getAttributeValue(null, "value")); |
| XmlUtils.skipCurrentTag(parser); |
| } else if ("active-password".equals(tag)) { |
| policy.mActivePasswordQuality = Integer.parseInt( |
| parser.getAttributeValue(null, "quality")); |
| policy.mActivePasswordLength = Integer.parseInt( |
| parser.getAttributeValue(null, "length")); |
| policy.mActivePasswordUpperCase = Integer.parseInt( |
| parser.getAttributeValue(null, "uppercase")); |
| policy.mActivePasswordLowerCase = Integer.parseInt( |
| parser.getAttributeValue(null, "lowercase")); |
| policy.mActivePasswordLetters = Integer.parseInt( |
| parser.getAttributeValue(null, "letters")); |
| policy.mActivePasswordNumeric = Integer.parseInt( |
| parser.getAttributeValue(null, "numeric")); |
| policy.mActivePasswordSymbols = Integer.parseInt( |
| parser.getAttributeValue(null, "symbols")); |
| policy.mActivePasswordNonLetter = Integer.parseInt( |
| parser.getAttributeValue(null, "nonletter")); |
| XmlUtils.skipCurrentTag(parser); |
| } else if (LOCK_TASK_COMPONENTS_XML.equals(tag)) { |
| policy.mLockTaskComponents.add |
| (ComponentName.unflattenFromString |
| (parser.getAttributeValue(null, "name"))); |
| XmlUtils.skipCurrentTag(parser); |
| } else { |
| Slog.w(LOG_TAG, "Unknown tag: " + tag); |
| XmlUtils.skipCurrentTag(parser); |
| } |
| } |
| } catch (NullPointerException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (NumberFormatException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (XmlPullParserException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (FileNotFoundException e) { |
| // Don't be noisy, this is normal if we haven't defined any policies. |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } catch (IndexOutOfBoundsException e) { |
| Slog.w(LOG_TAG, "failed parsing " + file + " " + e); |
| } |
| try { |
| if (stream != null) { |
| stream.close(); |
| } |
| } catch (IOException e) { |
| // Ignore |
| } |
| |
| // Validate that what we stored for the password quality matches |
| // sufficiently what is currently set. Note that this is only |
| // a sanity check in case the two get out of sync; this should |
| // never normally happen. |
| LockPatternUtils utils = new LockPatternUtils(mContext); |
| if (utils.getActivePasswordQuality() < policy.mActivePasswordQuality) { |
| Slog.w(LOG_TAG, "Active password quality 0x" |
| + Integer.toHexString(policy.mActivePasswordQuality) |
| + " does not match actual quality 0x" |
| + Integer.toHexString(utils.getActivePasswordQuality())); |
| policy.mActivePasswordQuality = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| policy.mActivePasswordLength = 0; |
| policy.mActivePasswordUpperCase = 0; |
| policy.mActivePasswordLowerCase = 0; |
| policy.mActivePasswordLetters = 0; |
| policy.mActivePasswordNumeric = 0; |
| policy.mActivePasswordSymbols = 0; |
| policy.mActivePasswordNonLetter = 0; |
| } |
| |
| validatePasswordOwnerLocked(policy); |
| syncDeviceCapabilitiesLocked(policy); |
| updateMaximumTimeToLockLocked(policy); |
| } |
| |
| static void validateQualityConstant(int quality) { |
| switch (quality) { |
| case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED: |
| case DevicePolicyManager.PASSWORD_QUALITY_BIOMETRIC_WEAK: |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| return; |
| } |
| throw new IllegalArgumentException("Invalid quality constant: 0x" |
| + Integer.toHexString(quality)); |
| } |
| |
| void validatePasswordOwnerLocked(DevicePolicyData policy) { |
| if (policy.mPasswordOwner >= 0) { |
| boolean haveOwner = false; |
| for (int i = policy.mAdminList.size() - 1; i >= 0; i--) { |
| if (policy.mAdminList.get(i).getUid() == policy.mPasswordOwner) { |
| haveOwner = true; |
| break; |
| } |
| } |
| if (!haveOwner) { |
| Slog.w(LOG_TAG, "Previous password owner " + policy.mPasswordOwner |
| + " no longer active; disabling"); |
| policy.mPasswordOwner = -1; |
| } |
| } |
| } |
| |
| /** |
| * Pushes down policy information to the system for any policies related to general device |
| * capabilities that need to be enforced by lower level services (e.g. Camera services). |
| */ |
| void syncDeviceCapabilitiesLocked(DevicePolicyData policy) { |
| // Ensure the status of the camera is synced down to the system. Interested native services |
| // should monitor this value and act accordingly. |
| boolean systemState = SystemProperties.getBoolean(SYSTEM_PROP_DISABLE_CAMERA, false); |
| boolean cameraDisabled = getCameraDisabled(null, policy.mUserHandle); |
| if (cameraDisabled != systemState) { |
| long token = Binder.clearCallingIdentity(); |
| try { |
| String value = cameraDisabled ? "1" : "0"; |
| if (DBG) Slog.v(LOG_TAG, "Change in camera state [" |
| + SYSTEM_PROP_DISABLE_CAMERA + "] = " + value); |
| SystemProperties.set(SYSTEM_PROP_DISABLE_CAMERA, value); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| } |
| |
| public void systemReady() { |
| if (!mHasFeature) { |
| return; |
| } |
| synchronized (this) { |
| loadSettingsLocked(getUserData(UserHandle.USER_OWNER), UserHandle.USER_OWNER); |
| loadDeviceOwner(); |
| } |
| cleanUpOldUsers(); |
| mAppOpsService = IAppOpsService.Stub.asInterface( |
| ServiceManager.getService(Context.APP_OPS_SERVICE)); |
| if (mDeviceOwner != null) { |
| if (mDeviceOwner.hasDeviceOwner()) { |
| try { |
| mAppOpsService.setDeviceOwner(mDeviceOwner.getDeviceOwnerPackageName()); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify AppOpsService of DeviceOwner", e); |
| } |
| } |
| for (Integer i : mDeviceOwner.getProfileOwnerKeys()) { |
| try { |
| mAppOpsService.setProfileOwner(mDeviceOwner.getProfileOwnerPackageName(i), i); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify AppOpsService of ProfileOwner", e); |
| } |
| } |
| } |
| } |
| |
| private void cleanUpOldUsers() { |
| // This is needed in case the broadcast {@link Intent.ACTION_USER_REMOVED} was not handled |
| // before reboot |
| Set<Integer> usersWithProfileOwners; |
| Set<Integer> usersWithData; |
| synchronized(this) { |
| usersWithProfileOwners = mDeviceOwner != null |
| ? mDeviceOwner.getProfileOwnerKeys() : new HashSet<Integer>(); |
| usersWithData = new HashSet<Integer>(); |
| for (int i = 0; i < mUserData.size(); i++) { |
| usersWithData.add(mUserData.keyAt(i)); |
| } |
| } |
| List<UserInfo> allUsers = mUserManager.getUsers(); |
| |
| Set<Integer> deletedUsers = new HashSet<Integer>(); |
| deletedUsers.addAll(usersWithProfileOwners); |
| deletedUsers.addAll(usersWithData); |
| for (UserInfo userInfo : allUsers) { |
| deletedUsers.remove(userInfo.id); |
| } |
| for (Integer userId : deletedUsers) { |
| removeUserData(userId); |
| } |
| } |
| |
| private void handlePasswordExpirationNotification(int userHandle) { |
| synchronized (this) { |
| final long now = System.currentTimeMillis(); |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo ui : profiles) { |
| int profileUserHandle = ui.getUserHandle().getIdentifier(); |
| final DevicePolicyData policy = getUserData(profileUserHandle); |
| final int count = policy.mAdminList.size(); |
| if (count > 0) { |
| for (int i = 0; i < count; i++) { |
| final ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD) |
| && admin.passwordExpirationTimeout > 0L |
| && now >= admin.passwordExpirationDate - EXPIRATION_GRACE_PERIOD_MS |
| && admin.passwordExpirationDate > 0L) { |
| sendAdminCommandLocked(admin, |
| DeviceAdminReceiver.ACTION_PASSWORD_EXPIRING); |
| } |
| } |
| } |
| } |
| setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); |
| } |
| } |
| |
| private void manageMonitoringCertificateNotification(Intent intent) { |
| final NotificationManager notificationManager = getNotificationManager(); |
| |
| final boolean hasCert = DevicePolicyManager.hasAnyCaCertsInstalled(); |
| if (! hasCert) { |
| if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { |
| for (UserInfo user : mUserManager.getUsers()) { |
| notificationManager.cancelAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, user.getUserHandle()); |
| } |
| } |
| return; |
| } |
| final boolean isManaged = getDeviceOwner() != null; |
| int smallIconId; |
| String contentText; |
| if (isManaged) { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_managed, |
| getDeviceOwnerName()); |
| smallIconId = R.drawable.stat_sys_certificate_info; |
| } else { |
| contentText = mContext.getString(R.string.ssl_ca_cert_noti_by_unknown); |
| smallIconId = android.R.drawable.stat_sys_warning; |
| } |
| |
| Intent dialogIntent = new Intent(Settings.ACTION_MONITORING_CERT_INFO); |
| dialogIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| dialogIntent.setPackage("com.android.settings"); |
| // Notification will be sent individually to all users. The activity should start as |
| // whichever user is current when it starts. |
| PendingIntent notifyIntent = PendingIntent.getActivityAsUser(mContext, 0, dialogIntent, |
| PendingIntent.FLAG_UPDATE_CURRENT, null, UserHandle.CURRENT); |
| |
| Notification noti = new Notification.Builder(mContext) |
| .setSmallIcon(smallIconId) |
| .setContentTitle(mContext.getString(R.string.ssl_ca_cert_warning)) |
| .setContentText(contentText) |
| .setContentIntent(notifyIntent) |
| .setPriority(Notification.PRIORITY_HIGH) |
| .setShowWhen(false) |
| .build(); |
| |
| // If this is a boot intent, this will fire for each user. But if this is a storage changed |
| // intent, it will fire once, so we need to notify all users. |
| if (intent.getAction().equals(KeyChain.ACTION_STORAGE_CHANGED)) { |
| for (UserInfo user : mUserManager.getUsers()) { |
| notificationManager.notifyAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, noti, user.getUserHandle()); |
| } |
| } else { |
| notificationManager.notifyAsUser( |
| null, MONITORING_CERT_NOTIFICATION_ID, noti, UserHandle.CURRENT); |
| } |
| } |
| |
| /** |
| * @param adminReceiver The admin to add |
| * @param refreshing true = update an active admin, no error |
| */ |
| public void setActiveAdmin(ComponentName adminReceiver, boolean refreshing, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| enforceCrossUserPermission(userHandle); |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| DeviceAdminInfo info = findAdmin(adminReceiver, userHandle); |
| if (info == null) { |
| throw new IllegalArgumentException("Bad admin: " + adminReceiver); |
| } |
| synchronized (this) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (!refreshing |
| && getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null) { |
| throw new IllegalArgumentException("Admin is already added"); |
| } |
| ActiveAdmin newAdmin = new ActiveAdmin(info); |
| policy.mAdminMap.put(adminReceiver, newAdmin); |
| int replaceIndex = -1; |
| if (refreshing) { |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i < N; i++) { |
| ActiveAdmin oldAdmin = policy.mAdminList.get(i); |
| if (oldAdmin.info.getComponent().equals(adminReceiver)) { |
| replaceIndex = i; |
| break; |
| } |
| } |
| } |
| if (replaceIndex == -1) { |
| policy.mAdminList.add(newAdmin); |
| enableIfNecessary(info.getPackageName(), userHandle); |
| } else { |
| policy.mAdminList.set(replaceIndex, newAdmin); |
| } |
| saveSettingsLocked(userHandle); |
| sendAdminCommandLocked(newAdmin, DeviceAdminReceiver.ACTION_DEVICE_ADMIN_ENABLED); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public boolean isAdminActive(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| return getActiveAdminUncheckedLocked(adminReceiver, userHandle) != null; |
| } |
| } |
| |
| public boolean hasGrantedPolicy(ComponentName adminReceiver, int policyId, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin administrator = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (administrator == null) { |
| throw new SecurityException("No active admin " + adminReceiver); |
| } |
| return administrator.info.usesPolicy(policyId); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public List<ComponentName> getActiveAdmins(int userHandle) { |
| if (!mHasFeature) { |
| return Collections.EMPTY_LIST; |
| } |
| |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| if (N <= 0) { |
| return null; |
| } |
| ArrayList<ComponentName> res = new ArrayList<ComponentName>(N); |
| for (int i=0; i<N; i++) { |
| res.add(policy.mAdminList.get(i).info.getComponent()); |
| } |
| return res; |
| } |
| } |
| |
| public boolean packageHasActiveAdmins(String packageName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| if (policy.mAdminList.get(i).info.getPackageName().equals(packageName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| public void removeActiveAdmin(ComponentName adminReceiver, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(adminReceiver, userHandle); |
| if (admin == null) { |
| return; |
| } |
| if (admin.getUid() != Binder.getCallingUid()) { |
| // If trying to remove device owner, refuse when the caller is not the owner. |
| if (isDeviceOwner(adminReceiver.getPackageName())) { |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.MANAGE_DEVICE_ADMINS, null); |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| removeActiveAdminLocked(adminReceiver, userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void setPasswordQuality(ComponentName who, int quality, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| validateQualityConstant(quality); |
| enforceCrossUserPermission(userHandle); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.passwordQuality != quality) { |
| ap.passwordQuality = quality; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordQuality(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int mode = DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordQuality : mode; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (mode < admin.passwordQuality) { |
| mode = admin.passwordQuality; |
| } |
| } |
| } |
| return mode; |
| } |
| } |
| |
| public void setPasswordMinimumLength(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLength != length) { |
| ap.minimumPasswordLength = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLength(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLength : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordLength) { |
| length = admin.minimumPasswordLength; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordHistoryLength(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.passwordHistoryLength != length) { |
| ap.passwordHistoryLength = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordHistoryLength(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordHistoryLength : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.passwordHistoryLength) { |
| length = admin.passwordHistoryLength; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordExpirationTimeout(ComponentName who, long timeout, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| if (timeout < 0) { |
| throw new IllegalArgumentException("Timeout must be >= 0 ms"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD); |
| // Calling this API automatically bumps the expiration date |
| final long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; |
| ap.passwordExpirationDate = expiration; |
| ap.passwordExpirationTimeout = timeout; |
| if (timeout > 0L) { |
| Slog.w(LOG_TAG, "setPasswordExpiration(): password will expire on " |
| + DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT) |
| .format(new Date(expiration))); |
| } |
| saveSettingsLocked(userHandle); |
| // in case this is the first one |
| setExpirationAlarmCheckLocked(mContext, getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Return a single admin's expiration cycle time, or the min of all cycle times. |
| * Returns 0 if not configured. |
| */ |
| public long getPasswordExpirationTimeout(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordExpirationTimeout : timeout; |
| } |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (timeout == 0L || (admin.passwordExpirationTimeout != 0L |
| && timeout > admin.passwordExpirationTimeout)) { |
| timeout = admin.passwordExpirationTimeout; |
| } |
| } |
| } |
| return timeout; |
| } |
| } |
| |
| /** |
| * Return a single admin's expiration date/time, or the min (soonest) for all admins. |
| * Returns 0 if not configured. |
| */ |
| private long getPasswordExpirationLocked(ComponentName who, int userHandle) { |
| long timeout = 0L; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.passwordExpirationDate : timeout; |
| } |
| |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (timeout == 0L || (admin.passwordExpirationDate != 0 |
| && timeout > admin.passwordExpirationDate)) { |
| timeout = admin.passwordExpirationDate; |
| } |
| } |
| } |
| return timeout; |
| } |
| |
| public long getPasswordExpiration(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0L; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| return getPasswordExpirationLocked(who, userHandle); |
| } |
| } |
| |
| public void setPasswordMinimumUpperCase(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordUpperCase != length) { |
| ap.minimumPasswordUpperCase = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumUpperCase(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordUpperCase : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordUpperCase) { |
| length = admin.minimumPasswordUpperCase; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumLowerCase(ComponentName who, int length, int userHandle) { |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLowerCase != length) { |
| ap.minimumPasswordLowerCase = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLowerCase(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLowerCase : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordLowerCase) { |
| length = admin.minimumPasswordLowerCase; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumLetters(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordLetters != length) { |
| ap.minimumPasswordLetters = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumLetters(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordLetters : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordLetters) { |
| length = admin.minimumPasswordLetters; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumNumeric(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordNumeric != length) { |
| ap.minimumPasswordNumeric = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumNumeric(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordNumeric : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordNumeric) { |
| length = admin.minimumPasswordNumeric; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumSymbols(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordSymbols != length) { |
| ap.minimumPasswordSymbols = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumSymbols(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordSymbols : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordSymbols) { |
| length = admin.minimumPasswordSymbols; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public void setPasswordMinimumNonLetter(ComponentName who, int length, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (ap.minimumPasswordNonLetter != length) { |
| ap.minimumPasswordNonLetter = length; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getPasswordMinimumNonLetter(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int length = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.minimumPasswordNonLetter : length; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (length < admin.minimumPasswordNonLetter) { |
| length = admin.minimumPasswordNonLetter; |
| } |
| } |
| } |
| return length; |
| } |
| } |
| |
| public boolean isActivePasswordSufficient(int userHandle) { |
| if (!mHasFeature) { |
| return true; |
| } |
| enforceCrossUserPermission(userHandle); |
| |
| synchronized (this) { |
| |
| // The active password is stored in the user that runs the launcher |
| // If the user this is called from is part of a profile group, that is the parent |
| // of the group. |
| UserInfo parent = getProfileParent(userHandle); |
| int id = parent == null ? userHandle : parent.id; |
| DevicePolicyData policy = getUserData(id); |
| |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD); |
| if (policy.mActivePasswordQuality < getPasswordQuality(null, userHandle) |
| || policy.mActivePasswordLength < getPasswordMinimumLength(null, userHandle)) { |
| return false; |
| } |
| if (policy.mActivePasswordQuality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| return true; |
| } |
| return policy.mActivePasswordUpperCase >= getPasswordMinimumUpperCase(null, userHandle) |
| && policy.mActivePasswordLowerCase >= getPasswordMinimumLowerCase(null, userHandle) |
| && policy.mActivePasswordLetters >= getPasswordMinimumLetters(null, userHandle) |
| && policy.mActivePasswordNumeric >= getPasswordMinimumNumeric(null, userHandle) |
| && policy.mActivePasswordSymbols >= getPasswordMinimumSymbols(null, userHandle) |
| && policy.mActivePasswordNonLetter >= getPasswordMinimumNonLetter(null, userHandle); |
| } |
| } |
| |
| public int getCurrentFailedPasswordAttempts(int userHandle) { |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); |
| |
| // The active password is stored in the parent. |
| DevicePolicyData policy = getUserData(getProfileParent(userHandle).id); |
| |
| return policy.mFailedPasswordAttempts; |
| } |
| } |
| |
| public void setMaximumFailedPasswordsForWipe(ComponentName who, int num, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_WIPE_DATA); |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN); |
| if (ap.maximumFailedPasswordsForWipe != num) { |
| ap.maximumFailedPasswordsForWipe = num; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } |
| |
| public int getMaximumFailedPasswordsForWipe(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| int count = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.maximumFailedPasswordsForWipe : count; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (count == 0) { |
| count = admin.maximumFailedPasswordsForWipe; |
| } else if (admin.maximumFailedPasswordsForWipe != 0 |
| && count > admin.maximumFailedPasswordsForWipe) { |
| count = admin.maximumFailedPasswordsForWipe; |
| } |
| } |
| } |
| return count; |
| } |
| } |
| |
| public boolean resetPassword(String password, int flags, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "reset the password"); |
| |
| int quality; |
| synchronized (this) { |
| // This api can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_RESET_PASSWORD); |
| quality = getPasswordQuality(null, userHandle); |
| if (quality != DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) { |
| int realQuality = LockPatternUtils.computePasswordQuality(password); |
| if (realQuality < quality |
| && quality != DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| Slog.w(LOG_TAG, "resetPassword: password quality 0x" |
| + Integer.toHexString(realQuality) |
| + " does not meet required quality 0x" |
| + Integer.toHexString(quality)); |
| return false; |
| } |
| quality = Math.max(realQuality, quality); |
| } |
| int length = getPasswordMinimumLength(null, userHandle); |
| if (password.length() < length) { |
| Slog.w(LOG_TAG, "resetPassword: password length " + password.length() |
| + " does not meet required length " + length); |
| return false; |
| } |
| if (quality == DevicePolicyManager.PASSWORD_QUALITY_COMPLEX) { |
| int letters = 0; |
| int uppercase = 0; |
| int lowercase = 0; |
| int numbers = 0; |
| int symbols = 0; |
| int nonletter = 0; |
| for (int i = 0; i < password.length(); i++) { |
| char c = password.charAt(i); |
| if (c >= 'A' && c <= 'Z') { |
| letters++; |
| uppercase++; |
| } else if (c >= 'a' && c <= 'z') { |
| letters++; |
| lowercase++; |
| } else if (c >= '0' && c <= '9') { |
| numbers++; |
| nonletter++; |
| } else { |
| symbols++; |
| nonletter++; |
| } |
| } |
| int neededLetters = getPasswordMinimumLetters(null, userHandle); |
| if(letters < neededLetters) { |
| Slog.w(LOG_TAG, "resetPassword: number of letters " + letters |
| + " does not meet required number of letters " + neededLetters); |
| return false; |
| } |
| int neededNumbers = getPasswordMinimumNumeric(null, userHandle); |
| if (numbers < neededNumbers) { |
| Slog.w(LOG_TAG, "resetPassword: number of numerical digits " + numbers |
| + " does not meet required number of numerical digits " |
| + neededNumbers); |
| return false; |
| } |
| int neededLowerCase = getPasswordMinimumLowerCase(null, userHandle); |
| if (lowercase < neededLowerCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of lowercase letters " + lowercase |
| + " does not meet required number of lowercase letters " |
| + neededLowerCase); |
| return false; |
| } |
| int neededUpperCase = getPasswordMinimumUpperCase(null, userHandle); |
| if (uppercase < neededUpperCase) { |
| Slog.w(LOG_TAG, "resetPassword: number of uppercase letters " + uppercase |
| + " does not meet required number of uppercase letters " |
| + neededUpperCase); |
| return false; |
| } |
| int neededSymbols = getPasswordMinimumSymbols(null, userHandle); |
| if (symbols < neededSymbols) { |
| Slog.w(LOG_TAG, "resetPassword: number of special symbols " + symbols |
| + " does not meet required number of special symbols " + neededSymbols); |
| return false; |
| } |
| int neededNonLetter = getPasswordMinimumNonLetter(null, userHandle); |
| if (nonletter < neededNonLetter) { |
| Slog.w(LOG_TAG, "resetPassword: number of non-letter characters " + nonletter |
| + " does not meet required number of non-letter characters " |
| + neededNonLetter); |
| return false; |
| } |
| } |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mPasswordOwner >= 0 && policy.mPasswordOwner != callingUid) { |
| Slog.w(LOG_TAG, "resetPassword: already set by another uid and not entered by user"); |
| return false; |
| } |
| |
| // Don't do this with the lock held, because it is going to call |
| // back in to the service. |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| LockPatternUtils utils = new LockPatternUtils(mContext); |
| utils.saveLockPassword(password, quality, false, userHandle); |
| synchronized (this) { |
| int newOwner = (flags&DevicePolicyManager.RESET_PASSWORD_REQUIRE_ENTRY) |
| != 0 ? callingUid : -1; |
| if (policy.mPasswordOwner != newOwner) { |
| policy.mPasswordOwner = newOwner; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return true; |
| } |
| |
| public void setMaximumTimeToLock(ComponentName who, long timeMs, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_FORCE_LOCK); |
| if (ap.maximumTimeToUnlock != timeMs) { |
| ap.maximumTimeToUnlock = timeMs; |
| saveSettingsLocked(userHandle); |
| updateMaximumTimeToLockLocked(getUserData(userHandle)); |
| } |
| } |
| } |
| |
| void updateMaximumTimeToLockLocked(DevicePolicyData policy) { |
| long timeMs = getMaximumTimeToLock(null, policy.mUserHandle); |
| if (policy.mLastMaximumTimeToLock == timeMs) { |
| return; |
| } |
| |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (timeMs <= 0) { |
| timeMs = Integer.MAX_VALUE; |
| } else { |
| // Make sure KEEP_SCREEN_ON is disabled, since that |
| // would allow bypassing of the maximum time to lock. |
| Settings.Global.putInt(mContext.getContentResolver(), |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0); |
| } |
| |
| policy.mLastMaximumTimeToLock = timeMs; |
| |
| try { |
| getIPowerManager().setMaximumScreenOffTimeoutFromDeviceAdmin((int)timeMs); |
| } catch (RemoteException e) { |
| Slog.w(LOG_TAG, "Failure talking with power manager", e); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| public long getMaximumTimeToLock(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| long time = 0; |
| |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return admin != null ? admin.maximumTimeToUnlock : time; |
| } |
| |
| // Return strictest policy for this user and profiles that are visible from this user. |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| DevicePolicyData policy = getUserData(userInfo.getUserHandle().getIdentifier()); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (time == 0) { |
| time = admin.maximumTimeToUnlock; |
| } else if (admin.maximumTimeToUnlock != 0 |
| && time > admin.maximumTimeToUnlock) { |
| time = admin.maximumTimeToUnlock; |
| } |
| } |
| } |
| return time; |
| } |
| } |
| |
| public void lockNow() { |
| if (!mHasFeature) { |
| return; |
| } |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_FORCE_LOCK); |
| lockNowUnchecked(); |
| } |
| } |
| |
| private void lockNowUnchecked() { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // Power off the display |
| getIPowerManager().goToSleep(SystemClock.uptimeMillis(), |
| PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, 0); |
| // Ensure the device is locked |
| getWindowManager().lockNow(null); |
| } catch (RemoteException e) { |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private boolean isExtStorageEncrypted() { |
| String state = SystemProperties.get("vold.decrypt"); |
| return !"".equals(state); |
| } |
| |
| public boolean installCaCert(byte[] certBuffer) throws RemoteException { |
| mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); |
| KeyChainConnection keyChainConnection = null; |
| byte[] pemCert; |
| try { |
| X509Certificate cert = parseCert(certBuffer); |
| pemCert = Credentials.convertToPem(cert); |
| } catch (CertificateException ce) { |
| Log.e(LOG_TAG, "Problem converting cert", ce); |
| return false; |
| } catch (IOException ioe) { |
| Log.e(LOG_TAG, "Problem reading cert", ioe); |
| return false; |
| } |
| try { |
| keyChainConnection = KeyChain.bind(mContext); |
| try { |
| keyChainConnection.getService().installCaCertificate(pemCert); |
| return true; |
| } finally { |
| if (keyChainConnection != null) { |
| keyChainConnection.close(); |
| keyChainConnection = null; |
| } |
| } |
| } catch (InterruptedException e1) { |
| Log.w(LOG_TAG, "installCaCertsToKeyChain(): ", e1); |
| Thread.currentThread().interrupt(); |
| } |
| return false; |
| } |
| |
| private static X509Certificate parseCert(byte[] certBuffer) |
| throws CertificateException, IOException { |
| CertificateFactory certFactory = CertificateFactory.getInstance("X.509"); |
| return (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream( |
| certBuffer)); |
| } |
| |
| public void uninstallCaCert(final byte[] certBuffer) { |
| mContext.enforceCallingOrSelfPermission(MANAGE_CA_CERTIFICATES, null); |
| TrustedCertificateStore certStore = new TrustedCertificateStore(); |
| String alias = null; |
| try { |
| X509Certificate cert = parseCert(certBuffer); |
| alias = certStore.getCertificateAlias(cert); |
| } catch (CertificateException ce) { |
| Log.e(LOG_TAG, "Problem creating X509Certificate", ce); |
| return; |
| } catch (IOException ioe) { |
| Log.e(LOG_TAG, "Problem reading certificate", ioe); |
| return; |
| } |
| try { |
| KeyChainConnection keyChainConnection = KeyChain.bind(mContext); |
| IKeyChainService service = keyChainConnection.getService(); |
| try { |
| service.deleteCaCertificate(alias); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG, "from CaCertUninstaller: ", e); |
| } finally { |
| keyChainConnection.close(); |
| keyChainConnection = null; |
| } |
| } catch (InterruptedException ie) { |
| Log.w(LOG_TAG, "CaCertUninstaller: ", ie); |
| Thread.currentThread().interrupt(); |
| } |
| } |
| |
| void wipeDataLocked(int flags) { |
| // If the SD card is encrypted and non-removable, we have to force a wipe. |
| boolean forceExtWipe = !Environment.isExternalStorageRemovable() && isExtStorageEncrypted(); |
| boolean wipeExtRequested = (flags&DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0; |
| |
| // Note: we can only do the wipe via ExternalStorageFormatter if the volume is not emulated. |
| if ((forceExtWipe || wipeExtRequested) && !Environment.isExternalStorageEmulated()) { |
| Intent intent = new Intent(ExternalStorageFormatter.FORMAT_AND_FACTORY_RESET); |
| intent.putExtra(ExternalStorageFormatter.EXTRA_ALWAYS_RESET, true); |
| intent.setComponent(ExternalStorageFormatter.COMPONENT_NAME); |
| mWakeLock.acquire(10000); |
| mContext.startService(intent); |
| } else { |
| try { |
| RecoverySystem.rebootWipeUserData(mContext); |
| } catch (IOException e) { |
| Slog.w(LOG_TAG, "Failed requesting data wipe", e); |
| } |
| } |
| } |
| |
| public void wipeData(int flags, final int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| if ((flags & DevicePolicyManager.WIPE_EXTERNAL_STORAGE) != 0) { |
| enforceNotManagedProfile(userHandle, "wipe external storage"); |
| } |
| synchronized (this) { |
| // This API can only be called by an active device admin, |
| // so try to retrieve it to check that the caller is one. |
| getActiveAdminForCallerLocked(null, |
| DeviceAdminInfo.USES_POLICY_WIPE_DATA); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| wipeDeviceOrUserLocked(flags, userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| private void wipeDeviceOrUserLocked(int flags, final int userHandle) { |
| if (userHandle == UserHandle.USER_OWNER) { |
| wipeDataLocked(flags); |
| } else { |
| lockNowUnchecked(); |
| mHandler.post(new Runnable() { |
| public void run() { |
| try { |
| ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER); |
| (mUserManager) |
| .removeUser(userHandle); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } |
| } |
| }); |
| } |
| } |
| |
| public void getRemoveWarning(ComponentName comp, final RemoteCallback result, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(comp, userHandle); |
| if (admin == null) { |
| try { |
| result.sendResult(null); |
| } catch (RemoteException e) { |
| } |
| return; |
| } |
| Intent intent = new Intent(DeviceAdminReceiver.ACTION_DEVICE_ADMIN_DISABLE_REQUESTED); |
| intent.setComponent(admin.info.getComponent()); |
| mContext.sendOrderedBroadcastAsUser(intent, new UserHandle(userHandle), |
| null, new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| try { |
| result.sendResult(getResultExtras(false)); |
| } catch (RemoteException e) { |
| } |
| } |
| }, null, Activity.RESULT_OK, null, null); |
| } |
| } |
| |
| public void setActivePasswordState(int quality, int length, int letters, int uppercase, |
| int lowercase, int numbers, int symbols, int nonletter, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "set the active password"); |
| |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| DevicePolicyData p = getUserData(userHandle); |
| |
| validateQualityConstant(quality); |
| |
| synchronized (this) { |
| if (p.mActivePasswordQuality != quality || p.mActivePasswordLength != length |
| || p.mFailedPasswordAttempts != 0 || p.mActivePasswordLetters != letters |
| || p.mActivePasswordUpperCase != uppercase |
| || p.mActivePasswordLowerCase != lowercase |
| || p.mActivePasswordNumeric != numbers |
| || p.mActivePasswordSymbols != symbols |
| || p.mActivePasswordNonLetter != nonletter) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| p.mActivePasswordQuality = quality; |
| p.mActivePasswordLength = length; |
| p.mActivePasswordLetters = letters; |
| p.mActivePasswordLowerCase = lowercase; |
| p.mActivePasswordUpperCase = uppercase; |
| p.mActivePasswordNumeric = numbers; |
| p.mActivePasswordSymbols = symbols; |
| p.mActivePasswordNonLetter = nonletter; |
| p.mFailedPasswordAttempts = 0; |
| saveSettingsLocked(userHandle); |
| updatePasswordExpirationsLocked(userHandle); |
| setExpirationAlarmCheckLocked(mContext, p); |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_CHANGED, |
| DeviceAdminInfo.USES_POLICY_LIMIT_PASSWORD, userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Called any time the device password is updated. Resets all password expiration clocks. |
| */ |
| private void updatePasswordExpirationsLocked(int userHandle) { |
| List<UserInfo> profiles = mUserManager.getProfiles(userHandle); |
| for (UserInfo userInfo : profiles) { |
| int profileId = userInfo.getUserHandle().getIdentifier(); |
| DevicePolicyData policy = getUserData(profileId); |
| final int N = policy.mAdminList.size(); |
| if (N > 0) { |
| for (int i=0; i<N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.info.usesPolicy(DeviceAdminInfo.USES_POLICY_EXPIRE_PASSWORD)) { |
| long timeout = admin.passwordExpirationTimeout; |
| long expiration = timeout > 0L ? (timeout + System.currentTimeMillis()) : 0L; |
| admin.passwordExpirationDate = expiration; |
| } |
| } |
| } |
| saveSettingsLocked(profileId); |
| } |
| } |
| |
| public void reportFailedPasswordAttempt(int userHandle) { |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "report failed password attempt"); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| policy.mFailedPasswordAttempts++; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| int max = getMaximumFailedPasswordsForWipe(null, userHandle); |
| if (max > 0 && policy.mFailedPasswordAttempts >= max) { |
| wipeDeviceOrUserLocked(0, userHandle); |
| } |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_FAILED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| |
| public void reportSuccessfulPasswordAttempt(int userHandle) { |
| enforceCrossUserPermission(userHandle); |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BIND_DEVICE_ADMIN, null); |
| |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(userHandle); |
| if (policy.mFailedPasswordAttempts != 0 || policy.mPasswordOwner >= 0) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| policy.mFailedPasswordAttempts = 0; |
| policy.mPasswordOwner = -1; |
| saveSettingsLocked(userHandle); |
| if (mHasFeature) { |
| sendAdminCommandToSelfAndProfilesLocked( |
| DeviceAdminReceiver.ACTION_PASSWORD_SUCCEEDED, |
| DeviceAdminInfo.USES_POLICY_WATCH_LOGIN, userHandle); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| } |
| |
| public ComponentName setGlobalProxy(ComponentName who, String proxySpec, |
| String exclusionList, int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized(this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| |
| // Only check if owner has set global proxy. We don't allow other users to set it. |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| ActiveAdmin admin = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_SETS_GLOBAL_PROXY); |
| |
| // Scan through active admins and find if anyone has already |
| // set the global proxy. |
| Set<ComponentName> compSet = policy.mAdminMap.keySet(); |
| for (ComponentName component : compSet) { |
| ActiveAdmin ap = policy.mAdminMap.get(component); |
| if ((ap.specifiesGlobalProxy) && (!component.equals(who))) { |
| // Another admin already sets the global proxy |
| // Return it to the caller. |
| return component; |
| } |
| } |
| |
| // If the user is not the owner, don't set the global proxy. Fail silently. |
| if (UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Only the owner is allowed to set the global proxy. User " |
| + userHandle + " is not permitted."); |
| return null; |
| } |
| if (proxySpec == null) { |
| admin.specifiesGlobalProxy = false; |
| admin.globalProxySpec = null; |
| admin.globalProxyExclusionList = null; |
| } else { |
| |
| admin.specifiesGlobalProxy = true; |
| admin.globalProxySpec = proxySpec; |
| admin.globalProxyExclusionList = exclusionList; |
| } |
| |
| // Reset the global proxy accordingly |
| // Do this using system permissions, as apps cannot write to secure settings |
| long origId = Binder.clearCallingIdentity(); |
| try { |
| resetGlobalProxyLocked(policy); |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| return null; |
| } |
| } |
| |
| public ComponentName getGlobalProxyAdmin(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized(this) { |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| // Scan through active admins and find if anyone has already |
| // set the global proxy. |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap.specifiesGlobalProxy) { |
| // Device admin sets the global proxy |
| // Return it to the caller. |
| return ap.info.getComponent(); |
| } |
| } |
| } |
| // No device admin sets the global proxy. |
| return null; |
| } |
| |
| private void resetGlobalProxyLocked(DevicePolicyData policy) { |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap.specifiesGlobalProxy) { |
| saveGlobalProxyLocked(ap.globalProxySpec, ap.globalProxyExclusionList); |
| return; |
| } |
| } |
| // No device admins defining global proxies - reset global proxy settings to none |
| saveGlobalProxyLocked(null, null); |
| } |
| |
| private void saveGlobalProxyLocked(String proxySpec, String exclusionList) { |
| if (exclusionList == null) { |
| exclusionList = ""; |
| } |
| if (proxySpec == null) { |
| proxySpec = ""; |
| } |
| // Remove white spaces |
| proxySpec = proxySpec.trim(); |
| String data[] = proxySpec.split(":"); |
| int proxyPort = 8080; |
| if (data.length > 1) { |
| try { |
| proxyPort = Integer.parseInt(data[1]); |
| } catch (NumberFormatException e) {} |
| } |
| exclusionList = exclusionList.trim(); |
| ContentResolver res = mContext.getContentResolver(); |
| |
| ProxyInfo proxyProperties = new ProxyInfo(data[0], proxyPort, exclusionList); |
| if (!proxyProperties.isValid()) { |
| Slog.e(LOG_TAG, "Invalid proxy properties, ignoring: " + proxyProperties.toString()); |
| return; |
| } |
| Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, data[0]); |
| Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, proxyPort); |
| Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, |
| exclusionList); |
| } |
| |
| /** |
| * Set the storage encryption request for a single admin. Returns the new total request |
| * status (for all admins). |
| */ |
| public int setStorageEncryption(ComponentName who, boolean encrypt, int userHandle) { |
| if (!mHasFeature) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| // Check for permissions |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| // Only owner can set storage encryption |
| if (userHandle != UserHandle.USER_OWNER |
| || UserHandle.getCallingUserId() != UserHandle.USER_OWNER) { |
| Slog.w(LOG_TAG, "Only owner is allowed to set storage encryption. User " |
| + UserHandle.getCallingUserId() + " is not permitted."); |
| return 0; |
| } |
| |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_ENCRYPTED_STORAGE); |
| |
| // Quick exit: If the filesystem does not support encryption, we can exit early. |
| if (!isEncryptionSupported()) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| // (1) Record the value for the admin so it's sticky |
| if (ap.encryptionRequested != encrypt) { |
| ap.encryptionRequested = encrypt; |
| saveSettingsLocked(userHandle); |
| } |
| |
| DevicePolicyData policy = getUserData(UserHandle.USER_OWNER); |
| // (2) Compute "max" for all admins |
| boolean newRequested = false; |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| newRequested |= policy.mAdminList.get(i).encryptionRequested; |
| } |
| |
| // Notify OS of new request |
| setEncryptionRequested(newRequested); |
| |
| // Return the new global request status |
| return newRequested |
| ? DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE |
| : DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; |
| } |
| } |
| |
| /** |
| * Get the current storage encryption request status for a given admin, or aggregate of all |
| * active admins. |
| */ |
| public boolean getStorageEncryption(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| // Check for permissions if a particular caller is specified |
| if (who != null) { |
| // When checking for a single caller, status is based on caller's request |
| ActiveAdmin ap = getActiveAdminUncheckedLocked(who, userHandle); |
| return ap != null ? ap.encryptionRequested : false; |
| } |
| |
| // If no particular caller is specified, return the aggregate set of requests. |
| // This is short circuited by returning true on the first hit. |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| if (policy.mAdminList.get(i).encryptionRequested) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * Get the current encryption status of the device. |
| */ |
| public int getStorageEncryptionStatus(int userHandle) { |
| if (!mHasFeature) { |
| // Ok to return current status. |
| } |
| enforceCrossUserPermission(userHandle); |
| return getEncryptionStatus(); |
| } |
| |
| /** |
| * Hook to low-levels: This should report if the filesystem supports encrypted storage. |
| */ |
| private boolean isEncryptionSupported() { |
| // Note, this can be implemented as |
| // return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| // But is provided as a separate internal method if there's a faster way to do a |
| // simple check for supported-or-not. |
| return getEncryptionStatus() != DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| |
| /** |
| * Hook to low-levels: Reporting the current status of encryption. |
| * @return A value such as {@link DevicePolicyManager#ENCRYPTION_STATUS_UNSUPPORTED} or |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_INACTIVE} or |
| * {@link DevicePolicyManager#ENCRYPTION_STATUS_ACTIVE}. |
| */ |
| private int getEncryptionStatus() { |
| String status = SystemProperties.get("ro.crypto.state", "unsupported"); |
| if ("encrypted".equalsIgnoreCase(status)) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE; |
| } else if ("unencrypted".equalsIgnoreCase(status)) { |
| return DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE; |
| } else { |
| return DevicePolicyManager.ENCRYPTION_STATUS_UNSUPPORTED; |
| } |
| } |
| |
| /** |
| * Hook to low-levels: If needed, record the new admin setting for encryption. |
| */ |
| private void setEncryptionRequested(boolean encrypt) { |
| } |
| |
| /** |
| * The system property used to share the state of the camera. The native camera service |
| * is expected to read this property and act accordingly. |
| */ |
| public static final String SYSTEM_PROP_DISABLE_CAMERA = "sys.secpolicy.camera.disabled"; |
| |
| /** |
| * Disables all device cameras according to the specified admin. |
| */ |
| public void setCameraDisabled(ComponentName who, boolean disabled, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "enable/disable cameras"); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DISABLE_CAMERA); |
| if (ap.disableCamera != disabled) { |
| ap.disableCamera = disabled; |
| saveSettingsLocked(userHandle); |
| } |
| syncDeviceCapabilitiesLocked(getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Gets whether or not all device cameras are disabled for a given admin, or disabled for any |
| * active admins. |
| */ |
| public boolean getCameraDisabled(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disableCamera : false; |
| } |
| |
| DevicePolicyData policy = getUserData(userHandle); |
| // Determine whether or not the device camera is disabled for any active admins. |
| final int N = policy.mAdminList.size(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| if (admin.disableCamera) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| |
| /** |
| * Selectively disable keyguard features. |
| */ |
| public void setKeyguardDisabledFeatures(ComponentName who, int which, int userHandle) { |
| if (!mHasFeature) { |
| return; |
| } |
| enforceCrossUserPermission(userHandle); |
| enforceNotManagedProfile(userHandle, "disable keyguard features"); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_DISABLE_KEYGUARD_FEATURES); |
| if (ap.disabledKeyguardFeatures != which) { |
| ap.disabledKeyguardFeatures = which; |
| saveSettingsLocked(userHandle); |
| } |
| syncDeviceCapabilitiesLocked(getUserData(userHandle)); |
| } |
| } |
| |
| /** |
| * Gets the disabled state for features in keyguard for the given admin, |
| * or the aggregate of all active admins if who is null. |
| */ |
| public int getKeyguardDisabledFeatures(ComponentName who, int userHandle) { |
| if (!mHasFeature) { |
| return 0; |
| } |
| enforceCrossUserPermission(userHandle); |
| synchronized (this) { |
| if (who != null) { |
| ActiveAdmin admin = getActiveAdminUncheckedLocked(who, userHandle); |
| return (admin != null) ? admin.disabledKeyguardFeatures : 0; |
| } |
| |
| // Determine which keyguard features are disabled for any active admins. |
| DevicePolicyData policy = getUserData(userHandle); |
| final int N = policy.mAdminList.size(); |
| int which = 0; |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| which |= admin.disabledKeyguardFeatures; |
| } |
| return which; |
| } |
| } |
| |
| @Override |
| public boolean setDeviceOwner(String packageName, String ownerName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| if (packageName == null |
| || !DeviceOwner.isInstalled(packageName, mContext.getPackageManager())) { |
| throw new IllegalArgumentException("Invalid package name " + packageName |
| + " for device owner"); |
| } |
| synchronized (this) { |
| if (isDeviceProvisioned()) { |
| throw new IllegalStateException( |
| "Trying to set device owner but device is already provisioned."); |
| } |
| |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { |
| throw new IllegalStateException( |
| "Trying to set device owner but device owner is already set."); |
| } |
| |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mAppOpsService.setDeviceOwner(packageName); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify AppOpsService of DeviceOwner", e); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| if (mDeviceOwner == null) { |
| // Device owner is not set and does not exist, set it. |
| mDeviceOwner = DeviceOwner.createWithDeviceOwner(packageName, ownerName); |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } else { |
| // Device owner is not set but a profile owner exists, update Device owner state. |
| mDeviceOwner.setDeviceOwner(packageName, ownerName); |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } |
| } |
| } |
| |
| @Override |
| public boolean isDeviceOwner(String packageName) { |
| if (!mHasFeature) { |
| return false; |
| } |
| synchronized (this) { |
| return mDeviceOwner != null |
| && mDeviceOwner.hasDeviceOwner() |
| && mDeviceOwner.getDeviceOwnerPackageName().equals(packageName); |
| } |
| } |
| |
| @Override |
| public String getDeviceOwner() { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| if (mDeviceOwner != null && mDeviceOwner.hasDeviceOwner()) { |
| return mDeviceOwner.getDeviceOwnerPackageName(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String getDeviceOwnerName() { |
| if (!mHasFeature) { |
| return null; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| synchronized (this) { |
| if (mDeviceOwner != null) { |
| return mDeviceOwner.getDeviceOwnerName(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean setProfileOwner(String packageName, String ownerName, int userHandle) { |
| if (!mHasFeature) { |
| return false; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| |
| if (mUserManager.getUserInfo(userHandle) == null) { |
| // User doesn't exist. |
| throw new IllegalArgumentException( |
| "Attempted to set profile owner for invalid userId: " + userHandle); |
| } |
| |
| if (packageName == null |
| || !DeviceOwner.isInstalledForUser(packageName, userHandle)) { |
| throw new IllegalArgumentException("Package name " + packageName |
| + " not installed for userId:" + userHandle); |
| } |
| synchronized (this) { |
| if (isUserSetupComplete(userHandle)) { |
| throw new IllegalStateException( |
| "Trying to set profile owner but user is already set-up."); |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mAppOpsService.setProfileOwner(packageName, userHandle); |
| } catch (RemoteException e) { |
| Log.w(LOG_TAG, "Unable to notify AppOpsService of ProfileOwner", e); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| if (mDeviceOwner == null) { |
| // Device owner state does not exist, create it. |
| mDeviceOwner = DeviceOwner.createWithProfileOwner(packageName, ownerName, |
| userHandle); |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } else { |
| // Device owner already exists, update it. |
| mDeviceOwner.setProfileOwner(packageName, ownerName, userHandle); |
| mDeviceOwner.writeOwnerFile(); |
| return true; |
| } |
| } |
| } |
| |
| @Override |
| public void setProfileEnabled(ComponentName who) { |
| if (!mHasFeature) { |
| return; |
| } |
| synchronized (this) { |
| // Check for permissions |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| // Check if this is the profile owner who is calling |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| int userId = UserHandle.getCallingUserId(); |
| Slog.d(LOG_TAG, "Enabling the profile for: " + userId); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setUserEnabled(userId); |
| Intent intent = new Intent(Intent.ACTION_MANAGED_PROFILE_ADDED); |
| intent.putExtra(Intent.EXTRA_USER, new UserHandle(UserHandle.getCallingUserId())); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY | |
| Intent.FLAG_RECEIVER_FOREGROUND); |
| // TODO This should send to parent of profile (which is always owner at the moment). |
| mContext.sendBroadcastAsUser(intent, UserHandle.OWNER); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public String getProfileOwner(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| |
| synchronized (this) { |
| if (mDeviceOwner != null) { |
| return mDeviceOwner.getProfileOwnerPackageName(userHandle); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public String getProfileOwnerName(int userHandle) { |
| if (!mHasFeature) { |
| return null; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); |
| |
| synchronized (this) { |
| if (mDeviceOwner != null) { |
| return mDeviceOwner.getProfileOwnerName(userHandle); |
| } |
| } |
| return null; |
| } |
| |
| private boolean isDeviceProvisioned() { |
| return Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.DEVICE_PROVISIONED, 0) > 0; |
| } |
| |
| private boolean isUserSetupComplete(int userId) { |
| return Settings.Secure.getIntForUser(mContext.getContentResolver(), |
| Settings.Secure.USER_SETUP_COMPLETE, 0, userId) > 0; |
| } |
| |
| private void enforceCrossUserPermission(int userHandle) { |
| if (userHandle < 0) { |
| throw new IllegalArgumentException("Invalid userId " + userHandle); |
| } |
| final int callingUid = Binder.getCallingUid(); |
| if (userHandle == UserHandle.getUserId(callingUid)) return; |
| if (callingUid != Process.SYSTEM_UID && callingUid != 0) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "Must be system or have" |
| + " INTERACT_ACROSS_USERS_FULL permission"); |
| } |
| } |
| |
| private void enforceNotManagedProfile(int userHandle, String message) { |
| if(isManagedProfile(userHandle)) { |
| throw new SecurityException("You can not " + message + " for a managed profile. "); |
| } |
| } |
| |
| private UserInfo getProfileParent(int userHandle) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getProfileParent(userHandle); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private boolean isManagedProfile(int userHandle) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getUserInfo(userHandle).isManagedProfile(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| private void enableIfNecessary(String packageName, int userId) { |
| try { |
| IPackageManager ipm = AppGlobals.getPackageManager(); |
| ApplicationInfo ai = ipm.getApplicationInfo(packageName, |
| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, |
| userId); |
| if (ai.enabledSetting |
| == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) { |
| ipm.setApplicationEnabledSetting(packageName, |
| PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, |
| PackageManager.DONT_KILL_APP, userId, "DevicePolicyManager"); |
| } |
| } catch (RemoteException e) { |
| } |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| |
| pw.println("Permission Denial: can't dump DevicePolicyManagerService from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| final Printer p = new PrintWriterPrinter(pw); |
| |
| synchronized (this) { |
| p.println("Current Device Policy Manager state:"); |
| |
| int userCount = mUserData.size(); |
| for (int u = 0; u < userCount; u++) { |
| DevicePolicyData policy = getUserData(mUserData.keyAt(u)); |
| p.println(" Enabled Device Admins (User " + policy.mUserHandle + "):"); |
| final int N = policy.mAdminList.size(); |
| for (int i=0; i<N; i++) { |
| ActiveAdmin ap = policy.mAdminList.get(i); |
| if (ap != null) { |
| pw.print(" "); pw.print(ap.info.getComponent().flattenToShortString()); |
| pw.println(":"); |
| ap.dump(" ", pw); |
| } |
| } |
| |
| pw.println(" "); |
| pw.print(" mPasswordOwner="); pw.println(policy.mPasswordOwner); |
| } |
| } |
| } |
| |
| @Override |
| public void addPersistentPreferredActivity(ComponentName who, IntentFilter filter, |
| ComponentName activity) { |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| pm.addPersistentPreferredActivity(filter, activity, UserHandle.getCallingUserId()); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void clearPackagePersistentPreferredActivities(ComponentName who, String packageName) { |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| pm.clearPackagePersistentPreferredActivities(packageName, UserHandle.getCallingUserId()); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setApplicationRestrictions(ComponentName who, String packageName, Bundle settings) { |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setApplicationRestrictions(packageName, settings, userHandle); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setRestrictionsProvider(ComponentName who, ComponentName permissionProvider) { |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| int userHandle = UserHandle.getCallingUserId(); |
| DevicePolicyData userData = getUserData(userHandle); |
| userData.mRestrictionsProvider = permissionProvider; |
| saveSettingsLocked(userHandle); |
| } |
| } |
| |
| @Override |
| public ComponentName getRestrictionsProvider(int userHandle) { |
| synchronized (this) { |
| if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| throw new SecurityException("Only the system can query the permission provider"); |
| } |
| DevicePolicyData userData = getUserData(userHandle); |
| return userData != null ? userData.mRestrictionsProvider : null; |
| } |
| } |
| |
| public void addCrossProfileIntentFilter(ComponentName who, IntentFilter filter, int flags) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| if ((flags & DevicePolicyManager.FLAG_PARENT_CAN_ACCESS_MANAGED) != 0) { |
| pm.addCrossProfileIntentFilter(filter, true /*removable*/, callingUserId, |
| UserHandle.USER_OWNER); |
| } |
| if ((flags & DevicePolicyManager.FLAG_MANAGED_CAN_ACCESS_PARENT) != 0) { |
| pm.addCrossProfileIntentFilter(filter, true /*removable*/, UserHandle.USER_OWNER, |
| callingUserId); |
| } |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| public void clearCrossProfileIntentFilters(ComponentName who) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| long id = Binder.clearCallingIdentity(); |
| try { |
| pm.clearCrossProfileIntentFilters(callingUserId); |
| pm.clearCrossProfileIntentFilters(UserHandle.USER_OWNER); |
| } catch (RemoteException re) { |
| // Shouldn't happen |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public UserHandle createUser(ComponentName who, String name) { |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| UserInfo userInfo = mUserManager.createUser(name, 0 /* flags */); |
| if (userInfo != null) { |
| return userInfo.getUserHandle(); |
| } |
| return null; |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean removeUser(ComponentName who, UserHandle userHandle) { |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.removeUser(userHandle.getIdentifier()); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public Bundle getApplicationRestrictions(ComponentName who, String packageName) { |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getApplicationRestrictions(packageName, userHandle); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setUserRestriction(ComponentName who, String key, boolean enabled) { |
| final UserHandle userHandle = new UserHandle(UserHandle.getCallingUserId()); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| mUserManager.setUserRestriction(key, enabled, userHandle); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public boolean setApplicationBlocked(ComponentName who, String packageName, |
| boolean blocked) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| return pm.setApplicationBlockedSettingAsUser(packageName, blocked, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to setApplicationBlockedSetting", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public int setApplicationsBlocked(ComponentName who, Intent intent, boolean blocked) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| List<ResolveInfo> activitiesToEnable = pm.queryIntentActivities(intent, |
| intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| PackageManager.GET_DISABLED_COMPONENTS |
| | PackageManager.GET_UNINSTALLED_PACKAGES, |
| callingUserId); |
| |
| if (DBG) Slog.d(LOG_TAG, "Enabling activities: " + activitiesToEnable); |
| int numberOfAppsUnblocked = 0; |
| if (activitiesToEnable != null) { |
| for (ResolveInfo info : activitiesToEnable) { |
| if (info.activityInfo != null) { |
| numberOfAppsUnblocked++; |
| pm.setApplicationBlockedSettingAsUser(info.activityInfo.packageName, |
| blocked, callingUserId); |
| } |
| } |
| } |
| return numberOfAppsUnblocked; |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to setApplicationsBlockedSettingsWithIntent", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return 0; |
| } |
| } |
| |
| @Override |
| public boolean isApplicationBlocked(ComponentName who, String packageName) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| IPackageManager pm = AppGlobals.getPackageManager(); |
| return pm.getApplicationBlockedSettingAsUser(packageName, callingUserId); |
| } catch (RemoteException re) { |
| // shouldn't happen |
| Slog.e(LOG_TAG, "Failed to getApplicationBlockedSettingAsUser", re); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| return false; |
| } |
| } |
| |
| @Override |
| public void setAccountManagementDisabled(ComponentName who, String accountType, |
| boolean disabled) { |
| if (!mHasFeature) { |
| return; |
| } |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| ActiveAdmin ap = getActiveAdminForCallerLocked(who, |
| DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| if (disabled) { |
| ap.accountTypesWithManagementDisabled.add(accountType); |
| } else { |
| ap.accountTypesWithManagementDisabled.remove(accountType); |
| } |
| saveSettingsLocked(UserHandle.getCallingUserId()); |
| } |
| } |
| |
| @Override |
| public String[] getAccountTypesWithManagementDisabled() { |
| if (!mHasFeature) { |
| return null; |
| } |
| synchronized (this) { |
| DevicePolicyData policy = getUserData(UserHandle.getCallingUserId()); |
| final int N = policy.mAdminList.size(); |
| HashSet<String> resultSet = new HashSet<String>(); |
| for (int i = 0; i < N; i++) { |
| ActiveAdmin admin = policy.mAdminList.get(i); |
| resultSet.addAll(admin.accountTypesWithManagementDisabled); |
| } |
| return resultSet.toArray(new String[resultSet.size()]); |
| } |
| } |
| |
| /** |
| * Sets which componets may enter lock task mode. |
| * |
| * This function can only be called by the device owner or the profile owner. |
| * @param components The list of components allowed to enter lock task mode. |
| */ |
| public void setLockTaskComponents(ComponentName[] components) throws SecurityException { |
| // Get the package names of the caller. |
| int uid = Binder.getCallingUid(); |
| String[] packageNames = mContext.getPackageManager().getPackagesForUid(uid); |
| |
| // Check whether any of the package name is the device owner or the profile owner. |
| for (int i=0; i<packageNames.length; i++) { |
| String packageName = packageNames[i]; |
| int userHandle = UserHandle.getUserId(uid); |
| String profileOwnerPackage = getProfileOwner(userHandle); |
| if (isDeviceOwner(packageName) || |
| (profileOwnerPackage != null && profileOwnerPackage.equals(packageName))) { |
| |
| // If a package name is the device owner or the profile owner, |
| // we update the component list. |
| DevicePolicyData policy = getUserData(userHandle); |
| policy.mLockTaskComponents.clear(); |
| if (components != null) { |
| for (int j=0; j<components.length; j++) { |
| ComponentName component = components[j]; |
| policy.mLockTaskComponents.add(component); |
| } |
| } |
| |
| // Store the settings persistently. |
| saveSettingsLocked(userHandle); |
| return; |
| } |
| } |
| throw new SecurityException(); |
| } |
| |
| /** |
| * This function returns the list of components allowed to start the task lock mode. |
| */ |
| public ComponentName[] getLockTaskComponents() { |
| int userHandle = UserHandle.USER_OWNER; |
| DevicePolicyData policy = getUserData(userHandle); |
| ComponentName[] tempArray = policy.mLockTaskComponents.toArray(new ComponentName[0]); |
| return tempArray; |
| } |
| |
| /** |
| * This function lets the caller know whether the given component is allowed to start the |
| * lock task mode. |
| * @param component The component to check |
| */ |
| public boolean isLockTaskPermitted(ComponentName component) { |
| // Get current user's devicepolicy |
| int uid = Binder.getCallingUid(); |
| int userHandle = UserHandle.getUserId(uid); |
| DevicePolicyData policy = getUserData(userHandle); |
| for (int i=0; i<policy.mLockTaskComponents.size(); i++) { |
| ComponentName lockTaskComponent = policy.mLockTaskComponents.get(i); |
| |
| // If the given component equals one of the component stored our device-owner-set |
| // list, we allow this component to start the lock task mode. |
| if (lockTaskComponent.getPackageName().equals(component.getPackageName())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void setGlobalSetting(ComponentName who, String setting, String value) { |
| final ContentResolver contentResolver = mContext.getContentResolver(); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Settings.Global.putString(contentResolver, setting, value); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| |
| @Override |
| public void setSecureSetting(ComponentName who, String setting, String value) { |
| int callingUserId = UserHandle.getCallingUserId(); |
| final ContentResolver contentResolver = mContext.getContentResolver(); |
| |
| synchronized (this) { |
| if (who == null) { |
| throw new NullPointerException("ComponentName is null"); |
| } |
| getActiveAdminForCallerLocked(who, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER); |
| |
| long id = Binder.clearCallingIdentity(); |
| try { |
| Settings.Secure.putStringForUser(contentResolver, setting, value, callingUserId); |
| } finally { |
| restoreCallingIdentity(id); |
| } |
| } |
| } |
| } |