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 "usbmgrrequestfree_fuzzer.h"
17
18#include "usb_srv_client.h"
19#include "usb_errors.h"
20
21namespace OHOS {
22namespace USB {
23    bool UsbMgrRequestFreeFuzzTest(const uint8_t* data, size_t /* size */)
24    {
25        std::vector<UsbDevice> devList;
26        auto &usbSrvClient = UsbSrvClient::GetInstance();
27        auto ret = usbSrvClient.GetDevices(devList);
28        if (ret != UEC_OK || devList.empty()) {
29            USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
30            return false;
31        }
32
33        USBDevicePipe pipe;
34        UsbDevice device = devList.front();
35        usbSrvClient.RequestRight(device.GetName());
36        ret = usbSrvClient.OpenDevice(device, pipe);
37        if (ret != UEC_OK) {
38            USB_HILOGE(MODULE_USB_SERVICE, "open device failed ret=%{public}d", ret);
39            return false;
40        }
41
42        UsbInterface interface = devList.front().GetConfigs().front().GetInterfaces().front();
43        ret = usbSrvClient.ClaimInterface(pipe, interface, true);
44        if (ret != UEC_OK) {
45            USB_HILOGE(MODULE_USB_SERVICE, "ClaimInterface failed ret=%{public}d", ret);
46            return false;
47        }
48
49        if (usbSrvClient.RequestFree(reinterpret_cast<UsbRequest &>(data)) == UEC_OK) {
50            return false;
51        }
52        return true;
53    }
54} // USB
55} // OHOS
56
57/* Fuzzer entry point */
58extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
59{
60    /* Run your code on data */
61    OHOS::USB::UsbMgrRequestFreeFuzzTest(data, size);
62    return 0;
63}
64
65