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 "timeproxytimer_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <string_ex.h>
21
22 #include "time_service_client.h"
23
24 using namespace OHOS::MiscServices;
25
26 namespace OHOS {
27 constexpr size_t U32_AT_SIZE = 4;
28
29
FuzzTimeProxyTimer(const uint8_t * rawData,size_t size)30 bool FuzzTimeProxyTimer(const uint8_t *rawData, size_t size)
31 {
32 int32_t uid = static_cast<int32_t>(*rawData);
33 TimeServiceClient::GetInstance()->ProxyTimer(uid, true, true);
34 TimeServiceClient::GetInstance()->ProxyTimer(uid, true, false);
35 TimeServiceClient::GetInstance()->ProxyTimer(uid, false, false);
36 TimeServiceClient::GetInstance()->ProxyTimer(uid, false, true);
37 return true;
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 OHOS::FuzzTimeProxyTimer(data, size);
53 return 0;
54 }
55 }