1 /*
2 * Copyright (c) 2021 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 "sysparamstatic_fuzzer.h"
17 #include "libfscrypt/fscrypt_sysparam.h"
18 #include <securec.h>
19 #include <cstddef>
20 #include <cstdint>
21 #define MAX_NUM 100
22
23 namespace OHOS {
SysparamStaticFuzzTest(const uint8_t * data,size_t size)24 bool SysparamStaticFuzzTest(const uint8_t *data, size_t size)
25 {
26 if ((data == nullptr) || (size < sizeof(unsigned int))) {
27 return false;
28 }
29
30 char character[MAX_NUM] = { 0x00 };
31 if (EOK != memcpy_s(character, sizeof(character)-1, data, size)) {
32 return false;
33 }
34
35 unsigned int len[MAX_NUM] = { 0x00 };
36 if (EOK != memcpy_s(len, sizeof(len)-1, data, size)) {
37 return false;
38 }
39
40 GetFscryptParameter(character, character, character, len);
41 SetFscryptParameter(character, character);
42 return true;
43 }
44 } // namespace OHOS
45
46 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)47 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
48 {
49 /* Run your code on data */
50 OHOS::SysparamStaticFuzzTest(data, size);
51 return 0;
52 }
53