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
24constexpr size_t MIN_SIZE = 4;
25
26namespace OHOS {
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.
39extern "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}