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 "usbmgrsetportrole_fuzzer.h"
17
18 #include "usb_srv_client.h"
19 #include "usb_errors.h"
20
21 namespace OHOS {
22 const uint32_t OFFSET = 4;
23 const uint32_t OFFSET_BYTE = 8;
24 constexpr size_t THRESHOLD = 10;
25 namespace USB {
UsbMgrSetPortRoleFuzzTest(const uint8_t * data,size_t)26 bool UsbMgrSetPortRoleFuzzTest(const uint8_t* data, size_t /* size */)
27 {
28 auto &usbSrvClient = UsbSrvClient::GetInstance();
29 if (usbSrvClient.SetPortRole(*reinterpret_cast<const int32_t *>(data),
30 *reinterpret_cast<const int32_t *>(data + OFFSET),
31 *reinterpret_cast<const int32_t *>(data + OFFSET_BYTE)) == UEC_OK) {
32 return false;
33 }
34 return true;
35 }
36 } // USB
37 } // OHOS
38
39 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)40 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
41 {
42 if (size < OHOS::THRESHOLD) {
43 return 0;
44 }
45 /* Run your code on data */
46 OHOS::USB::UsbMgrSetPortRoleFuzzTest(data, size);
47 return 0;
48 }
49
50