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 "agingutil_fuzzer.h"
18
19 #include "aging/aging_constants.h"
20 #include "aging_bundle_info.h"
21 #include "aging_util.h"
22 #include "securec.h"
23
24 using namespace OHOS::AppExecFwk;
25 namespace OHOS {
26 constexpr size_t U32_AT_SIZE = 4;
27 constexpr uint8_t ENABLE = 2;
DoSomethingInterestingWithMyAPI(const char * data,size_t size)28 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
29 {
30 std::string name = std::string(data, size);
31 int64_t time = reinterpret_cast<uintptr_t>(data);
32 int32_t startCount = 0;
33 AgingBundleInfo agingBundleInfo{name, time, startCount};
34 agingBundleInfo.GetBundleName();
35 agingBundleInfo.GetRecentlyUsedTime();
36 agingBundleInfo.GetStartCount();
37 return true;
38 }
39 } // namespace OHOS
40
41 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
43 {
44 /* Run your code on data */
45 if (data == nullptr) {
46 return 0;
47 }
48
49 /* Validate the length of size */
50 if (size < OHOS::U32_AT_SIZE) {
51 return 0;
52 }
53
54 char* ch = (char*)malloc(size + 1);
55 if (ch == nullptr) {
56 std::cout << "malloc failed." << std::endl;
57 return 0;
58 }
59
60 (void)memset_s(ch, size + 1, 0x00, size + 1);
61 if (memcpy_s(ch, size + 1, data, size) != EOK) {
62 std::cout << "copy failed." << std::endl;
63 free(ch);
64 ch = nullptr;
65 return 0;
66 }
67
68 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }