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 "serialopen_fuzzer.h"
17 #include "v1_0/iserial_interface.h"
18
19 using namespace OHOS::HDI::Usb::Serial::V1_0;
20
21 namespace {
22 constexpr int32_t OK = 0;
23 }
24
25 namespace OHOS {
26 namespace SERIAL {
SerialOpenFuzzTest(const uint8_t * data,size_t size)27 bool SerialOpenFuzzTest(const uint8_t* data, size_t size)
28 {
29 if (data == nullptr || size < sizeof(int32_t)) {
30 return false;
31 }
32 auto serialInterface = ISerialInterface::Get("serial_interface_service", true);
33 int32_t portId = *reinterpret_cast<const int32_t *>(data);
34
35 if (serialInterface->SerialOpen(portId) != OK) {
36 return false;
37 }
38
39 return true;
40 }
41 } // SERIAL
42 } // OHOS
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
46 {
47 /* Run your code on data */
48 OHOS::SERIAL::SerialOpenFuzzTest(data, size);
49 return 0;
50 }
51
52