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 "regnodedevicestatecb_fuzzer.h"
17 #include <cstddef>
18 #include <securec.h>
19 #include "softbus_bus_center.h"
20 #include "softbus_errcode.h"
21
22 namespace OHOS {
23 static INodeStateCb g_stateCb;
24
onNodeOnline(NodeBasicInfo * info)25 void onNodeOnline(NodeBasicInfo *info)
26 {
27 (void)info;
28 }
29
onNodeOffline(NodeBasicInfo * info)30 void onNodeOffline(NodeBasicInfo *info)
31 {
32 (void)info;
33 }
34
onNodeBasicInfoChanged(NodeBasicInfoType type,NodeBasicInfo * info)35 void onNodeBasicInfoChanged(NodeBasicInfoType type, NodeBasicInfo *info)
36 {
37 (void)type;
38 (void)info;
39 }
40
41
GenRanDiscInfo(const uint8_t * data,size_t size)42 static void GenRanDiscInfo(const uint8_t* data, size_t size)
43 {
44 g_stateCb.events = EVENT_NODE_STATE_ONLINE | EVENT_NODE_STATE_OFFLINE;
45 g_stateCb.onNodeOffline = onNodeOffline;
46 g_stateCb.onNodeOnline = onNodeOnline;
47 g_stateCb.onNodeBasicInfoChanged = onNodeBasicInfoChanged;
48 }
49
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)50 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
51 {
52 if (data == nullptr || size == 0) {
53 return true;
54 }
55 GenRanDiscInfo(data, size);
56 char tmp[65] = {0};
57 if (memcpy_s(tmp, sizeof(tmp) - 1, data, size) != EOK) {
58 return true;
59 }
60 int32_t ret = RegNodeDeviceStateCb((const char *)tmp, &g_stateCb);
61 if (ret == SOFTBUS_OK) {
62 UnregNodeDeviceStateCb(&g_stateCb);
63 }
64 return true;
65 }
66 }
67
68 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)69 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
70 {
71 /* Run your code on data */
72 OHOS::DoSomethingInterestingWithMyAPI(data, size);
73 return 0;
74 }
75
76