1 /*
2 * Copyright (c) 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 <cstddef>
17 #include <cstdint>
18 #include <string>
19
20 #include "config_policy_utils.h"
21
22 #define FUZZ_PROJECT_NAME "getonecfgfileex_fuzzer"
23
24 constexpr size_t MIN_SIZE = 4;
25
26 namespace OHOS {
FuzzGetOneCfgFileEx(const uint8_t * data,size_t size)27 bool FuzzGetOneCfgFileEx(const uint8_t* data, size_t size)
28 {
29 std::string userPath(reinterpret_cast<const char*>(data), size / 2);
30 std::string extra(reinterpret_cast<const char*>(data) + size / 2, size - size / 2);
31 int followMode = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
32 char buf[MAX_PATH_LEN] = {0};
33 char *filePath = GetOneCfgFileEx(userPath.c_str(), buf, MAX_PATH_LEN, followMode, extra.c_str());
34 return filePath != nullptr;
35 }
36 }
37
38 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)39 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
40 {
41 if (data == nullptr || size < MIN_SIZE) {
42 return 0;
43 }
44 // Run your code on data.
45 OHOS::FuzzGetOneCfgFileEx(data, size);
46 return 0;
47 }