1 /*
2 * Copyright (c) 2024 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 "setdatalevel_fuzzer.h"
17 #include <cstddef>
18 #include <securec.h>
19
20 #include "data_level.h"
21 #include "softbus_access_token_test.h"
22 #include "softbus_bus_center.h"
23 #include "softbus_errcode.h"
24
25 #define MAX_MACLLOC_SIZE (4000 * 1000)
26
27 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)28 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
29 {
30 if (data == nullptr || size == 0 || size > MAX_MACLLOC_SIZE || size < sizeof(DataLevel)) {
31 return true;
32 }
33
34 char *tmp = reinterpret_cast<char *>(malloc(size));
35 if (tmp == nullptr) {
36 return false;
37 }
38 if (memset_s(tmp, size, '\0', size) != EOK) {
39 free(tmp);
40 return false;
41 }
42 if (memcpy_s(tmp, size, data, size) != EOK) {
43 free(tmp);
44 return false;
45 }
46
47 SetAceessTokenPermission("busCenterTest");
48 SetDataLevel(reinterpret_cast<const DataLevel *>(tmp));
49 free(tmp);
50 return true;
51 }
52 }
53
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 /* Run your code on data */
58 OHOS::DoSomethingInterestingWithMyAPI(data, size);
59 return 0;
60 }
61
62