Kenny Root | 07438c8 | 2012-11-02 15:41:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <keystore/IKeystoreService.h> |
| 18 | #include <binder/IServiceManager.h> |
| 19 | |
| 20 | #include <keystore/keystore_get.h> |
| 21 | |
| 22 | using namespace android; |
| 23 | |
| 24 | ssize_t keystore_get(const char *key, size_t keyLength, uint8_t** value) { |
| 25 | sp<IServiceManager> sm = defaultServiceManager(); |
| 26 | sp<IBinder> binder = sm->getService(String16("android.security.keystore")); |
| 27 | sp<IKeystoreService> service = interface_cast<IKeystoreService>(binder); |
| 28 | |
| 29 | if (service == NULL) { |
| 30 | return -1; |
| 31 | } |
| 32 | |
| 33 | size_t valueLength; |
| 34 | int32_t ret = service->get(String16(key, keyLength), value, &valueLength); |
| 35 | if (ret < 0) { |
| 36 | return -1; |
| 37 | } else if (ret != ::NO_ERROR) { |
| 38 | return -1; |
| 39 | } else { |
| 40 | return valueLength; |
| 41 | } |
| 42 | } |