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