1 /*
2 * Copyright (c) 2022 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 "readfileindir_fuzzer.h"
17
18 #include <fstream>
19 #include <iostream>
20 #include <string>
21 #include <vector>
22 #include "init.h"
23 #include "init_utils.h"
24
FakeParser(const char * testFile,void * context)25 static int FakeParser(const char *testFile, void *context)
26 {
27 UNUSED(context);
28 std::ifstream fileStream;
29 fileStream.open(testFile);
30 std::vector<std::string> fileText;
31 std::string textLine;
32 while (getline(fileStream, textLine)) {
33 fileText.push_back(textLine);
34 }
35 fileStream.close();
36 std::vector<std::string>().swap(fileText);
37 return 0;
38 }
39
40 namespace OHOS {
FuzzReadFileInDir(const uint8_t * data,size_t size)41 bool FuzzReadFileInDir(const uint8_t* data, size_t size)
42 {
43 bool result = false;
44 FILE *pFile = nullptr;
45 pFile = fopen("ReadFileInDir.test", "w+");
46 if (pFile == nullptr) {
47 std::cout << "[fuzz] open file ReadFileInDir.test failed";
48 return false;
49 }
50 if (fwrite(data, 1, size, pFile) != size) {
51 std::cout << "[fuzz] write data to ReadFileInDir.test failed";
52 (void)fclose(pFile);
53 return false;
54 }
55 (void)fclose(pFile);
56 if (!ReadFileInDir("/data", ".test", FakeParser, NULL)) {
57 result = true;
58 }
59 return result;
60 }
61 }
62
63 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
65 {
66 /* Run your code on data */
67 OHOS::FuzzReadFileInDir(data, size);
68 return 0;
69 }
70