125 lines
4.3 KiB
Java
125 lines
4.3 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.security;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.os.ServiceManager;
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import android.os.ServiceSpecificException;
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import android.security.maintenance.IKeystoreMaintenance;
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import android.system.keystore2.Domain;
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import android.system.keystore2.ResponseCode;
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import android.util.Log;
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/**
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* @hide This is the client side for IKeystoreUserManager AIDL.
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* It shall only be used by the LockSettingsService.
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*/
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public class AndroidKeyStoreMaintenance {
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private static final String TAG = "AndroidKeyStoreMaintenance";
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public static final int SYSTEM_ERROR = ResponseCode.SYSTEM_ERROR;
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private static IKeystoreMaintenance getService() {
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return IKeystoreMaintenance.Stub.asInterface(
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ServiceManager.checkService("android.security.maintenance"));
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}
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/**
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* Informs Keystore 2.0 about adding a user
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*
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* @param userId - Android user id of the user being added
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* @return 0 if successful or a {@code ResponseCode}
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* @hide
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*/
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public static int onUserAdded(@NonNull int userId) {
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if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
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try {
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getService().onUserAdded(userId);
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return 0;
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} catch (ServiceSpecificException e) {
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Log.e(TAG, "onUserAdded failed", e);
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return e.errorCode;
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} catch (Exception e) {
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Log.e(TAG, "Can not connect to keystore", e);
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return SYSTEM_ERROR;
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}
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}
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/**
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* Informs Keystore 2.0 about removing a usergit mer
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*
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* @param userId - Android user id of the user being removed
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* @return 0 if successful or a {@code ResponseCode}
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* @hide
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*/
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public static int onUserRemoved(int userId) {
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if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
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try {
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getService().onUserRemoved(userId);
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return 0;
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} catch (ServiceSpecificException e) {
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Log.e(TAG, "onUserRemoved failed", e);
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return e.errorCode;
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} catch (Exception e) {
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Log.e(TAG, "Can not connect to keystore", e);
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return SYSTEM_ERROR;
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}
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}
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/**
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* Informs Keystore 2.0 about changing user's password
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*
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* @param userId - Android user id of the user
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* @param password - a secret derived from the synthetic password provided by the
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* LockSettingService
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* @return 0 if successful or a {@code ResponseCode}
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* @hide
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*/
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public static int onUserPasswordChanged(int userId, @Nullable byte[] password) {
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if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
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try {
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getService().onUserPasswordChanged(userId, password);
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return 0;
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} catch (ServiceSpecificException e) {
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Log.e(TAG, "onUserPasswordChanged failed", e);
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return e.errorCode;
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} catch (Exception e) {
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Log.e(TAG, "Can not connect to keystore", e);
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return SYSTEM_ERROR;
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}
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}
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/**
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* Informs Keystore 2.0 that an app was uninstalled and the corresponding namspace is to
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* be cleared.
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*/
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public static int clearNamespace(@Domain int domain, long namespace) {
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if (!android.security.keystore2.AndroidKeyStoreProvider.isInstalled()) return 0;
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try {
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getService().clearNamespace(domain, namespace);
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return 0;
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} catch (ServiceSpecificException e) {
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Log.e(TAG, "clearNamespace failed", e);
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return e.errorCode;
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} catch (Exception e) {
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Log.e(TAG, "Can not connect to keystore", e);
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return SYSTEM_ERROR;
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}
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}
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}
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