1 /*
2 * Copyright (c) 2025 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 "usbmgrserialsetattribute_fuzzer.h"
17
18 #include "usb_srv_client.h"
19 #include "v1_0/serial_types.h"
20 #include "usb_serial_type.h"
21 namespace {
22 constexpr int32_t OK = 0;
23 }
24 using OHOS::USB::UsbSrvClient;
25 namespace OHOS {
26 const uint32_t OFFSET = 4;
27 namespace SERIAL {
UsbMgrSerialSetAttributeFuzzTest(const uint8_t * data,size_t size)28 bool UsbMgrSerialSetAttributeFuzzTest(const uint8_t* data, size_t size)
29 {
30 if (data == nullptr || size < sizeof(UsbSerialAttr) + OFFSET) {
31 return false;
32 }
33 auto &usbSrvClient = UsbSrvClient::GetInstance();
34 int32_t portId = *reinterpret_cast<const int32_t *>(data);
35
36 if (usbSrvClient.SerialSetAttribute(portId, reinterpret_cast<UsbSerialAttr &>(std::move(data + OFFSET))) != OK) {
37 return false;
38 }
39
40 return true;
41 }
42 } // SERIAL
43 } // OHOS
44
45 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)46 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
47 {
48 /* Run your code on data */
49 OHOS::SERIAL::UsbMgrSerialSetAttributeFuzzTest(data, size);
50 return 0;
51 }
52
53