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 #define private public
17 #include <cstddef>
18 #include <cstdint>
19 #include "verifymanagerhostimplremovetempfiles_fuzzer.h"
20 #include "verify_manager_host_impl.h"
21 #include "securec.h"
22
23 using namespace OHOS::AppExecFwk;
24 namespace OHOS {
25 constexpr size_t U32_AT_SIZE = 4;
26
DoSomethingInterestingWithMyAPI(const char * data,size_t size)27 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
28 {
29 VerifyManagerHostImpl impl;
30 std::string bundleName;
31 std::vector<std::string> paths;
32 std::string dir(data, size);
33 impl.MkdirIfNotExist(dir);
34 impl.RemoveTempFiles(bundleName);
35 impl.RemoveTempFiles(paths);
36 return true;
37 }
38 }
39
40 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)41 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
42 {
43 /* Run your code on data */
44 if (data == nullptr) {
45 return 0;
46 }
47
48 if (size < OHOS::U32_AT_SIZE) {
49 return 0;
50 }
51
52 char* ch = static_cast<char*>(malloc(size + 1));
53 if (ch == nullptr) {
54 return 0;
55 }
56
57 (void)memset_s(ch, size + 1, 0x00, size + 1);
58 if (memcpy_s(ch, size, data, size) != EOK) {
59 free(ch);
60 ch = nullptr;
61 return 0;
62 }
63 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
64 free(ch);
65 ch = nullptr;
66 return 0;
67 }