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 "leavelnninner_fuzzer.h"
17 #include <cstddef>
18 #include <cstring>
19 #include <securec.h>
20 #include "softbus_bus_center.h"
21 #include "client_bus_center_manager.h"
22 #include "softbus_errcode.h"
23 
24 namespace OHOS {
OnLeaveLNNResult(const char * networkId,int32_t retCode)25     static void OnLeaveLNNResult(const char *networkId, int32_t retCode)
26     {
27         (void)networkId;
28         (void)retCode;
29     }
30 
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)31     bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
32     {
33         if (data == nullptr || size == 0) {
34             return true;
35         }
36 
37         char tmp[65] = {0};
38         if (memcpy_s(tmp, sizeof(tmp) - 1, data, size) != EOK) {
39             return true;
40         }
41 
42         LeaveLNNInner(reinterpret_cast<const char *>(tmp), reinterpret_cast<const char *>(data), OnLeaveLNNResult);
43         return true;
44     }
45 }
46 
47 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)48 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
49 {
50     /* Run your code on data */
51     OHOS::DoSomethingInterestingWithMyAPI(data, size);
52     return 0;
53 }