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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 "usbmgrsetinterface_fuzzer.h"
17 
18 #include "usb_srv_client.h"
19 #include "usb_errors.h"
20 
21 namespace OHOS {
22 namespace USB {
UsbMgrSetInterfaceFuzzTest(const uint8_t * data,size_t)23     bool UsbMgrSetInterfaceFuzzTest(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.SetInterface(reinterpret_cast<USBDevicePipe &>(data),
50             reinterpret_cast<const UsbInterface &>(data)) == UEC_OK) {
51             return false;
52         }
53         return true;
54     }
55 } // USB
56 } // OHOS
57 
58 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)59 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
60 {
61     /* Run your code on data */
62     OHOS::USB::UsbMgrSetInterfaceFuzzTest(data, size);
63     return 0;
64 }
65 
66