1 /*
2  * Copyright (C) 2022-2023 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 "datatransmitmgr_fuzzer.h"
17 
18 #include <cstddef>
19 #include <cstdint>
20 
21 #include "securec.h"
22 #include "dev_slinfo_mgr.h"
23 
24 namespace OHOS {
tmpCallback(DEVSLQueryParams * queryParams,int32_t result,uint32_t levelInfo)25     static void tmpCallback(DEVSLQueryParams *queryParams, int32_t result, uint32_t levelInfo)
26     {
27         return;
28     }
29 
FuzzDoDataTransmitMgr(const uint8_t * data,size_t size)30     void FuzzDoDataTransmitMgr(const uint8_t *data, size_t size)
31     {
32         if (data == nullptr || size <= MAX_UDID_LENGTH) {
33             return;
34         }
35 
36         uint32_t levelInfo = 0;
37         DEVSLQueryParams queryParams;
38         (void)memset_s(&queryParams, sizeof(DEVSLQueryParams), 0, sizeof(DEVSLQueryParams));
39         queryParams.udidLen = size;
40         (void)memcpy_s(queryParams.udid, MAX_UDID_LENGTH, data, MAX_UDID_LENGTH);
41 
42         (void)DATASL_OnStart();
43         (void)DATASL_GetHighestSecLevelAsync(&queryParams, tmpCallback);
44         (void)DATASL_GetHighestSecLevel(&queryParams, &levelInfo);
45         DATASL_OnStop();
46     }
47 }
48 
49 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)50 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
51 {
52     /* Run your code on data */
53     OHOS::FuzzDoDataTransmitMgr(data, size);
54     return 0;
55 }