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/*
**
** Copyright 2019, 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 "gatekeeperd"
#include <gatekeeper/GateKeeperResponse.h>
#include <binder/Parcel.h>
#include <android-base/logging.h>
namespace android {
namespace service {
namespace gatekeeper {
status_t GateKeeperResponse::readFromParcel(const Parcel* in) {
if (in == nullptr) {
LOG(ERROR) << "readFromParcel got null in parameter";
return BAD_VALUE;
}
timeout_ = 0;
should_reenroll_ = false;
payload_ = {};
response_code_ = ResponseCode(in->readInt32());
if (response_code_ == ResponseCode::OK) {
should_reenroll_ = in->readInt32();
ssize_t length = in->readInt32();
if (length > 0) {
length = in->readInt32();
const uint8_t* buf = reinterpret_cast<const uint8_t*>(in->readInplace(length));
if (buf == nullptr) {
LOG(ERROR) << "readInplace returned null buffer for length " << length;
return BAD_VALUE;
}
payload_.resize(length);
std::copy(buf, buf + length, payload_.data());
}
} else if (response_code_ == ResponseCode::RETRY) {
timeout_ = in->readInt32();
}
return NO_ERROR;
}
status_t GateKeeperResponse::writeToParcel(Parcel* out) const {
if (out == nullptr) {
LOG(ERROR) << "writeToParcel got null out parameter";
return BAD_VALUE;
}
out->writeInt32(int32_t(response_code_));
if (response_code_ == ResponseCode::OK) {
out->writeInt32(should_reenroll_);
out->writeInt32(payload_.size());
if (payload_.size() != 0) {
out->writeInt32(payload_.size());
uint8_t* buf = reinterpret_cast<uint8_t*>(out->writeInplace(payload_.size()));
if (buf == nullptr) {
LOG(ERROR) << "writeInplace returned null buffer for length " << payload_.size();
return BAD_VALUE;
}
std::copy(payload_.begin(), payload_.end(), buf);
}
} else if (response_code_ == ResponseCode::RETRY) {
out->writeInt32(timeout_);
}
return NO_ERROR;
}
} // namespace gatekeeper
} // namespace service
} // namespace android
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