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