| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| #define LOG_TAG "LowpanCredential" |
| |
| #include <android/net/lowpan/LowpanCredential.h> |
| |
| #include <binder/Parcel.h> |
| #include <log/log.h> |
| #include <utils/Errors.h> |
| |
| using android::BAD_TYPE; |
| using android::BAD_VALUE; |
| using android::NO_ERROR; |
| using android::Parcel; |
| using android::status_t; |
| using android::UNEXPECTED_NULL; |
| using android::net::lowpan::LowpanCredential; |
| using namespace ::android::binder; |
| |
| namespace android { |
| |
| namespace net { |
| |
| namespace lowpan { |
| |
| #define RETURN_IF_FAILED(calledOnce) \ |
| { \ |
| status_t returnStatus = calledOnce; \ |
| if (returnStatus) { \ |
| ALOGE("Failed at %s:%d (%s)", __FILE__, __LINE__, __func__); \ |
| return returnStatus; \ |
| } \ |
| } |
| |
| LowpanCredential::LowpanCredential() : mMasterKeyIndex(UNSPECIFIED_MASTER_KEY_INDEX) { } |
| |
| status_t LowpanCredential::initMasterKey(LowpanCredential& out, const uint8_t* masterKeyBytes, int masterKeyLen, int masterKeyIndex) |
| { |
| if (masterKeyLen < 0) { |
| return BAD_INDEX; |
| } else if (masterKeyLen > MASTER_KEY_MAX_SIZE) { |
| return BAD_INDEX; |
| } else if (masterKeyBytes == NULL) { |
| return BAD_VALUE; |
| } |
| |
| out.mMasterKey.clear(); |
| out.mMasterKey.insert(out.mMasterKey.end(), masterKeyBytes, masterKeyBytes + masterKeyLen); |
| out.mMasterKeyIndex = masterKeyIndex; |
| |
| return NO_ERROR; |
| } |
| |
| status_t LowpanCredential::initMasterKey(LowpanCredential& out, const uint8_t* masterKeyBytes, int masterKeyLen) |
| { |
| return LowpanCredential::initMasterKey(out, masterKeyBytes, masterKeyLen, 0); |
| } |
| |
| status_t LowpanCredential::initMasterKey(LowpanCredential& out, const std::vector<uint8_t>& masterKey, int masterKeyIndex) |
| { |
| return LowpanCredential::initMasterKey(out, &masterKey.front(), masterKey.size(), masterKeyIndex); |
| } |
| |
| status_t LowpanCredential::initMasterKey(LowpanCredential& out, const std::vector<uint8_t>& masterKey) |
| { |
| return LowpanCredential::initMasterKey(out, masterKey, 0); |
| } |
| |
| bool LowpanCredential::isMasterKey() const { |
| return mMasterKey.size() > 0; |
| } |
| |
| bool LowpanCredential::getMasterKey(std::vector<uint8_t>* masterKey) const { |
| if (isMasterKey()) { |
| *masterKey = mMasterKey; |
| return true; |
| } |
| return false; |
| } |
| |
| bool LowpanCredential::getMasterKey(const uint8_t** masterKey, int* masterKeyLen) const { |
| if (isMasterKey()) { |
| if (masterKey) { |
| *masterKey = &mMasterKey.front(); |
| } |
| if (masterKeyLen) { |
| *masterKeyLen = mMasterKey.size(); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| int LowpanCredential::getMasterKeyIndex() const { |
| return mMasterKeyIndex; |
| } |
| |
| status_t LowpanCredential::writeToParcel(Parcel* parcel) const { |
| /* |
| * Keep implementation in sync with writeToParcel() in |
| * frameworks/base/lowpan/java/android/net/android/net/lowpan/LowpanCredential.java. |
| */ |
| RETURN_IF_FAILED(parcel->writeByteVector(mMasterKey)); |
| RETURN_IF_FAILED(parcel->writeInt32(mMasterKeyIndex)); |
| return NO_ERROR; |
| } |
| |
| status_t LowpanCredential::readFromParcel(const Parcel* parcel) { |
| /* |
| * Keep implementation in sync with readFromParcel() in |
| * frameworks/base/lowpan/java/android/net/android/net/lowpan/LowpanCredential.java. |
| */ |
| RETURN_IF_FAILED(parcel->readByteVector(&mMasterKey)); |
| RETURN_IF_FAILED(parcel->readInt32(&mMasterKeyIndex)); |
| return NO_ERROR; |
| } |
| |
| bool LowpanCredential::operator==(const LowpanCredential& rhs) |
| { |
| if (mMasterKey != rhs.mMasterKey) { |
| return false; |
| } |
| |
| if (mMasterKeyIndex != rhs.mMasterKeyIndex) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace lowpan |
| |
| } // namespace net |
| |
| } // namespace android |