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 "usbmgrsetconfiguration_fuzzer.h"
17
18#include "usb_srv_client.h"
19#include "usb_errors.h"
20
21namespace OHOS {
22const uint32_t OFFSET = 4;
23constexpr size_t THRESHOLD = 10;
24namespace USB {
25    bool UsbMgrSetConfigurationFuzzTest(const uint8_t* data, size_t /* size */)
26    {
27        std::vector<UsbDevice> devList;
28        auto &usbSrvClient = UsbSrvClient::GetInstance();
29        auto ret = usbSrvClient.GetDevices(devList);
30        if (ret != UEC_OK || devList.empty()) {
31            USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
32            return false;
33        }
34
35        USBDevicePipe pipe;
36        UsbDevice device = devList.front();
37        usbSrvClient.RequestRight(device.GetName());
38        ret = usbSrvClient.OpenDevice(device, pipe);
39        if (ret != UEC_OK) {
40            USB_HILOGE(MODULE_USB_SERVICE, "open device failed ret=%{public}d", ret);
41            return false;
42        }
43
44        if (usbSrvClient.SetConfiguration(reinterpret_cast<USBDevicePipe &>(data),
45            reinterpret_cast<const USBConfig &>(std::move(data + OFFSET))) == UEC_OK) {
46            return false;
47        }
48        return true;
49    }
50} // USB
51} // OHOS
52
53/* Fuzzer entry point */
54extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
55{
56    if (size < OHOS::THRESHOLD) {
57        return 0;
58    }
59    /* Run your code on data */
60    OHOS::USB::UsbMgrSetConfigurationFuzzTest(data, size);
61    return 0;
62}
63
64