1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "usbcontroltransferwrite_fuzzer.h"
17#include "UsbSubscriberTest.h"
18#include "hdf_log.h"
19#include "securec.h"
20#include "usbcommonfunction_fuzzer.h"
21#include "v1_0/iusb_interface.h"
22
23using namespace OHOS::HDI::Usb::V1_0;
24
25namespace OHOS {
26constexpr size_t THRESHOLD = 10;
27constexpr int32_t OFFSET = 4;
28namespace USB {
29bool UsbControlTransferWriteFuzzTest(const uint8_t *data, size_t size)
30{
31    (void)size;
32    UsbDev dev;
33    sptr<IUsbInterface> usbInterface = IUsbInterface::Get();
34    int32_t ret = UsbFuzzTestHostModeInit(dev, usbInterface);
35    if (ret != HDF_SUCCESS) {
36        HDF_LOGE("%{public}s: UsbFuzzTestHostModeInit failed", __func__);
37        return false;
38    }
39
40    UsbCtrlTransfer ctrl;
41    if (memcpy_s((void *)&ctrl, sizeof(ctrl), data, sizeof(ctrl)) != EOK) {
42        HDF_LOGE("%{public}s: memcpy_s failed", __func__);
43        return false;
44    }
45
46    ret = usbInterface->ControlTransferWrite(
47        dev, ctrl, reinterpret_cast<const std::vector<uint8_t> &>(std::move(data + OFFSET)));
48    if (ret == HDF_SUCCESS) {
49        HDF_LOGI("%{public}s: control transfer write succeed", __func__);
50    }
51
52    ret = usbInterface->CloseDevice(dev);
53    if (ret != HDF_SUCCESS) {
54        HDF_LOGE("%{public}s: close device failed", __func__);
55        return false;
56    }
57    return true;
58}
59} // namespace USB
60} // namespace OHOS
61
62extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
63{
64    if (size < OHOS::THRESHOLD) {
65        return 0;
66    }
67    OHOS::USB::UsbControlTransferWriteFuzzTest(data, size);
68    return 0;
69}