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 "usbmgrclaiminterface_fuzzer.h"
17
18 #include "usb_srv_client.h"
19 #include "usb_errors.h"
20
21 namespace OHOS {
22 namespace USB {
UsbMgrClaimInterfaceFuzzTest(const uint8_t * data,size_t)23 bool UsbMgrClaimInterfaceFuzzTest(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 ret = usbSrvClient.ClaimInterface(
43 reinterpret_cast<USBDevicePipe &>(data), reinterpret_cast<const UsbInterface &>(data), true);
44 if (ret == UEC_OK) {
45 return false;
46 }
47 return true;
48 }
49 } // OHOS
50 } // USB
51
52 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
54 {
55 /* Run your code on data */
56 OHOS::USB::UsbMgrClaimInterfaceFuzzTest(data, size);
57 return 0;
58 }
59
60