1 /*
2  * Copyright (c) 2022 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 "starttimesync_fuzzer.h"
17 #include <cstddef>
18 #include <securec.h>
19 #include "softbus_access_token_test.h"
20 #include "softbus_bus_center.h"
21 #include "softbus_errcode.h"
22 
23 namespace OHOS {
OnTimeSyncResult(const TimeSyncResultInfo * info,int32_t retCode)24     static void OnTimeSyncResult(const TimeSyncResultInfo *info, int32_t retCode)
25     {
26         (void)info;
27         (void)retCode;
28     }
29 
30     static ITimeSyncCb g_timeSyncCb = {
31         .onTimeSyncResult = OnTimeSyncResult,
32     };
33 
StartTimeSyncTest(const uint8_t * data,size_t size)34     bool StartTimeSyncTest(const uint8_t* data, size_t size)
35     {
36         if (data == nullptr || size == 0) {
37             return false;
38         }
39 
40         TimeSyncAccuracy timeAccuracy = SUPER_HIGH_ACCURACY;
41         TimeSyncPeriod period = NORMAL_PERIOD;
42 
43         char *tmp = reinterpret_cast<char *>(malloc(size));
44         if (tmp == nullptr) {
45             return false;
46         }
47         if (memset_s(tmp, size, '\0', size) != EOK) {
48             free(tmp);
49             return false;
50         }
51         if (memcpy_s(tmp, size, data, size - 1) != EOK) {
52             free(tmp);
53             return false;
54         }
55 
56         SetAceessTokenPermission("busCenterTest");
57         StartTimeSync(reinterpret_cast<const char *>(tmp),
58                       reinterpret_cast<const char *>(tmp), timeAccuracy, period, &g_timeSyncCb);
59         free(tmp);
60         return true;
61     }
62 }
63 
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
66 {
67     /* Run your code on data */
68     OHOS::StartTimeSyncTest(data, size);
69     return 0;
70 }
71