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 "common_event_stub.h"
17 #include "common_event_data.h"
18 #include "commoneventstub_fuzzer.h"
19 #include "fuzz_common_base.h"
20
21 namespace OHOS {
22 namespace {
23 constexpr size_t U32_AT_SIZE = 4;
24 }
DoSomethingInterestingWithMyAPI(FuzzData fuzzData)25 bool DoSomethingInterestingWithMyAPI(FuzzData fuzzData)
26 {
27 std::string stringData = fuzzData.GenerateRandomString();
28 int32_t code = fuzzData.GetData<int32_t>();
29 bool enabled = fuzzData.GenerateRandomBool();
30 MessageParcel dataParcel;
31 MessageParcel reply;
32 MessageOption option;
33 EventFwk::CommonEventStub commonEventStub;
34 // test PublishCommonEvent function
35 AAFwk::Want want;
36 EventFwk::CommonEventData commonEventData;
37 EventFwk::CommonEventData eventData(want, code, stringData);
38 commonEventData.SetWant(want);
39 commonEventData.SetCode(code);
40 commonEventData.SetData(stringData);
41 commonEventData.GetWant();
42 commonEventData.GetCode();
43 commonEventData.GetData();
44 Parcel p;
45 commonEventData.Marshalling(p);
46 commonEventData.Unmarshalling(p);
47 // make commonEventPublishInfo info
48 EventFwk::CommonEventPublishInfo commonEventPublishInfo;
49 std::vector<std::string> permissions;
50 permissions.emplace_back(stringData);
51 commonEventPublishInfo.SetSubscriberPermissions(permissions);
52 sptr<IRemoteObject> commonEventListener = nullptr;
53 commonEventStub.PublishCommonEvent(commonEventData, commonEventPublishInfo, commonEventListener, code, code, code);
54 // test SubscribeCommonEvent function
55 EventFwk::MatchingSkills matchingSkills;
56 matchingSkills.AddEvent(stringData);
57 EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
58 subscribeInfo.SetPriority(code);
59 commonEventStub.SubscribeCommonEvent(subscribeInfo, commonEventListener);
60 // test UnsubscribeCommonEvent function
61 commonEventStub.UnsubscribeCommonEvent(commonEventListener);
62 // test GetStickyCommonEvent function
63 commonEventStub.GetStickyCommonEvent(stringData, commonEventData);
64 // test DumpState function
65 uint8_t dumpType = fuzzData.GetData<uint8_t>();
66 std::vector<std::string> state;
67 state.emplace_back(stringData);
68 commonEventStub.DumpState(dumpType, stringData, code, state);
69 // test FinishReceiver function
70 commonEventStub.FinishReceiver(commonEventListener, code, stringData, enabled);
71 // test Freeze function
72 commonEventStub.Freeze(code);
73 // test Unfreeze function
74 commonEventStub.Unfreeze(code);
75 commonEventStub.OnRemoteRequest(code, dataParcel, reply, option);
76 // test UnfreezeAll function
77 return commonEventStub.UnfreezeAll();
78 }
79 }
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 /* Run your code on data */
85 if (data == nullptr) {
86 return 0;
87 }
88
89 if (size < OHOS::U32_AT_SIZE) {
90 return 0;
91 }
92
93 OHOS::FuzzData fuzzData(data, size);
94 OHOS::DoSomethingInterestingWithMyAPI(fuzzData);
95 return 0;
96 }
97