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 "timetesttimer_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <string_ex.h>
21
22 #include "time_service_client.h"
23 #include "timer_info.h"
24
25 using namespace OHOS::MiscServices;
26
27 namespace OHOS {
28 constexpr size_t U64_AT_SIZE = 8;
29
FuzzTimeCreateTimer(int64_t data,size_t size)30 bool FuzzTimeCreateTimer(int64_t data, size_t size)
31 {
32 auto timerInfo = std::make_shared<TimerInfo>();
33 timerInfo->SetType(static_cast<int>(data));
34 timerInfo->SetInterval(data);
35 timerInfo->SetRepeat(data);
36 uint64_t timerId = TimeServiceClient::GetInstance()->CreateTimer(timerInfo);
37 TimeServiceClient::GetInstance()->DestroyTimer(timerId);
38 return true;
39 }
40
FuzzTimeStartTimer(int64_t timerId,size_t size)41 bool FuzzTimeStartTimer(int64_t timerId, size_t size)
42 {
43 TimeServiceClient::GetInstance()->StartTimer(timerId, timerId);
44 return true;
45 }
46
FuzzTimeStopTimer(int64_t timerId,size_t size)47 bool FuzzTimeStopTimer(int64_t timerId, size_t size)
48 {
49 TimeServiceClient::GetInstance()->StopTimer(timerId);
50 return true;
51 }
52
FuzzTimeDestroyTimer(int64_t timerId,size_t size)53 bool FuzzTimeDestroyTimer(int64_t timerId, size_t size)
54 {
55 TimeServiceClient::GetInstance()->DestroyTimer(timerId);
56 return true;
57 }
58
FuzzTimeCreateTimerV9(int64_t data,size_t size)59 bool FuzzTimeCreateTimerV9(int64_t data, size_t size)
60 {
61 auto timerInfo = std::make_shared<TimerInfo>();
62 timerInfo->SetType(static_cast<int>(data));
63 timerInfo->SetInterval(data);
64 timerInfo->SetRepeat(data);
65 uint64_t timerId = 0;
66 TimeServiceClient::GetInstance()->CreateTimerV9(timerInfo, timerId);
67 TimeServiceClient::GetInstance()->DestroyTimer(timerId);
68 return true;
69 }
70
FuzzTimeStartTimerV9(int64_t timerId,size_t size)71 bool FuzzTimeStartTimerV9(int64_t timerId, size_t size)
72 {
73 TimeServiceClient::GetInstance()->StartTimerV9(timerId, timerId);
74 return true;
75 }
76
FuzzTimeStopTimerV9(int64_t timerId,size_t size)77 bool FuzzTimeStopTimerV9(int64_t timerId, size_t size)
78 {
79 TimeServiceClient::GetInstance()->StopTimerV9(timerId);
80 return true;
81 }
82
FuzzTimeDestroyTimerV9(int64_t timerId,size_t size)83 bool FuzzTimeDestroyTimerV9(int64_t timerId, size_t size)
84 {
85 TimeServiceClient::GetInstance()->DestroyTimerV9(timerId);
86 return true;
87 }
88
89 }
90 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)91 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
92 {
93 /* Run your code on data */
94 if (data == nullptr) {
95 return 0;
96 }
97
98 if (size < OHOS::U64_AT_SIZE) {
99 return 0;
100 }
101
102 auto timerId = static_cast<int64_t>(*data);
103 OHOS::FuzzTimeCreateTimer(timerId, size);
104 OHOS::FuzzTimeStartTimer(timerId, size);
105 OHOS::FuzzTimeStopTimer(timerId, size);
106 OHOS::FuzzTimeDestroyTimer(timerId, size);
107 OHOS::FuzzTimeCreateTimerV9(timerId, size);
108 OHOS::FuzzTimeStartTimerV9(timerId, size);
109 OHOS::FuzzTimeStopTimerV9(timerId, size);
110 OHOS::FuzzTimeDestroyTimerV9(timerId, size);
111 return 0;
112 }