/*

 * Copyright (c) 2025 Huawei Device Co., Ltd.

 * 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.

 */



#include "usb_service.h"

#include "accesstoken_kit.h"

#include "nativetoken_kit.h"

#include "token_setproc.h"

#include "usbmgropendevice_fuzzer.h"

#include "usb_errors.h"



namespace OHOS {

const uint32_t OFFSET = 4;

const uint32_t OFFSET_BYTE = 8;

constexpr size_t THRESHOLD = 10;

const uint32_t code = 0x03;

const std::u16string USB_INTERFACE_TOKEN = u"OHOS.USB.IUsbServer";

namespace USB {

    bool UsbMgrOpenDeviceFuzzTest(const uint8_t* rawData, size_t size)

    {

        if (rawData == nullptr || size < OFFSET_BYTE + sizeof(int32_t)) {

            return false;

        }

        MessageParcel data;

        data.WriteInterfaceToken(USB_INTERFACE_TOKEN);

        data.WriteBuffer(rawData, size);

        data.RewindRead(0);

        MessageParcel reply;

        MessageOption option;

        UsbService::GetGlobalInstance()->OnRemoteRequest(code, data, reply, option);

        return true;

    }

} // USB

} // OHOS



/* Fuzzer entry point */

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)

{

    if (size < OHOS::THRESHOLD) {

        return 0;

    }

    /* Run your code on data */

    OHOS::USB::UsbMgrOpenDeviceFuzzTest(data, size);

    return 0;

}