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 "timesettimezone_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 
FuzzTimeSetTimezone(const uint8_t * rawData,size_t size)28 bool FuzzTimeSetTimezone(const uint8_t *rawData, size_t size)
29 {
30     std::string timeZone(reinterpret_cast<const char *>(rawData), size);
31     TimeServiceClient::GetInstance()->SetTimeZone(timeZone);
32     TimeServiceClient::GetInstance()->SetTimeZone(timeZone);
33     TimeServiceClient::GetInstance()->SetTimeZoneV9(timeZone);
34     int32_t code;
35     TimeServiceClient::GetInstance()->SetTimeZone(timeZone, code);
36     return true;
37 }
38 
FuzzTimeGetTimezone(const uint8_t * rawData,size_t size)39 bool FuzzTimeGetTimezone(const uint8_t *rawData, size_t size)
40 {
41     TimeServiceClient::GetInstance()->GetTimeZone();
42     std::string timezoneId;
43     TimeServiceClient::GetInstance()->GetTimeZone(timezoneId);
44     return true;
45 }
46 
FuzzTimeSetTime(const uint8_t * rawData,size_t size)47 bool FuzzTimeSetTime(const uint8_t *rawData, size_t size)
48 {
49     int64_t time = static_cast<int64_t>(*rawData);
50     TimeServiceClient::GetInstance()->SetTime(time);
51     TimeServiceClient::GetInstance()->SetTime(time);
52     TimeServiceClient::GetInstance()->SetTimeV9(time);
53     TimeServiceClient::GetInstance()->SetTimeV9(time);
54     int32_t code;
55     TimeServiceClient::GetInstance()->SetTime(time, code);
56     return true;
57 }
58 
FuzzTimeGetTime(const uint8_t * rawData,size_t size)59 bool FuzzTimeGetTime(const uint8_t *rawData, size_t size)
60 {
61     int64_t time;
62     TimeServiceClient::GetInstance()->GetWallTimeMs();
63     TimeServiceClient::GetInstance()->GetWallTimeMs(time);
64     TimeServiceClient::GetInstance()->GetWallTimeNs();
65     TimeServiceClient::GetInstance()->GetWallTimeNs(time);
66 
67     TimeServiceClient::GetInstance()->GetBootTimeMs();
68     TimeServiceClient::GetInstance()->GetBootTimeMs(time);
69     TimeServiceClient::GetInstance()->GetBootTimeNs();
70     TimeServiceClient::GetInstance()->GetBootTimeNs(time);
71 
72     TimeServiceClient::GetInstance()->GetMonotonicTimeMs();
73     TimeServiceClient::GetInstance()->GetMonotonicTimeMs(time);
74     TimeServiceClient::GetInstance()->GetMonotonicTimeNs();
75     TimeServiceClient::GetInstance()->GetMonotonicTimeNs(time);
76 
77     TimeServiceClient::GetInstance()->GetThreadTimeMs();
78     TimeServiceClient::GetInstance()->GetThreadTimeMs(time);
79     TimeServiceClient::GetInstance()->GetThreadTimeNs();
80     TimeServiceClient::GetInstance()->GetThreadTimeNs(time);
81     return true;
82 }
83 
84 }
85 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)86 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
87 {
88     /* Run your code on data */
89     if (data == nullptr) {
90         return 0;
91     }
92 
93     OHOS::FuzzTimeSetTimezone(data, size);
94     OHOS::FuzzTimeGetTimezone(data, size);
95     OHOS::FuzzTimeSetTime(data, size);
96     OHOS::FuzzTimeGetTime(data, size);
97     return 0;
98 }