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 "publishcommonevent_fuzzer.h"
17 #include "securec.h"
18 #include "common_event_manager.h"
19 #include "common_event_support.h"
20 #include "fuzz_common_base.h"
21 #include <string>
22 #include <vector>
23
24
25 constexpr int8_t FUZZ_DATA_LEN = 3;
26
27 namespace OHOS {
28 constexpr size_t U32_AT_SIZE = 4;
29
DoSomethingInterestingWithMyAPI(FuzzData fuzzData)30 bool DoSomethingInterestingWithMyAPI(FuzzData fuzzData)
31 {
32 AAFwk::Want want;
33 want.SetAction(EventFwk::CommonEventSupport::COMMON_EVENT_TEST_ACTION1);
34 EventFwk::CommonEventData commonEventData;
35 commonEventData.SetWant(want);
36 int32_t code = fuzzData.GenerateRandomInt32();
37 commonEventData.SetCode(code);
38 std::string stringData = fuzzData.GenerateRandomString();
39 commonEventData.SetData(stringData);
40
41 EventFwk::CommonEventPublishInfo commonEventPublishInfo;
42 std::vector<std::string> permissions;
43 permissions.emplace_back(stringData);
44 commonEventPublishInfo.SetSubscriberPermissions(permissions);
45
46 std::shared_ptr<EventFwk::CommonEventSubscriber> subscriber = nullptr;
47
48 // test pubilshCommonEvent function and two paramter
49 EventFwk::CommonEventManager::PublishCommonEvent(commonEventData, commonEventPublishInfo);
50 EventFwk::CommonEventManager::NewPublishCommonEvent(commonEventData, commonEventPublishInfo);
51
52 if (fuzzData.GetSize() < FUZZ_DATA_LEN) {
53 EventFwk::CommonEventManager::PublishCommonEvent(commonEventData, commonEventPublishInfo, subscriber);
54 } else {
55 int32_t uid = fuzzData.GenerateRandomInt32();
56 EventFwk::CommonEventManager::PublishCommonEvent(
57 commonEventData, commonEventPublishInfo, subscriber, uid, code);
58 }
59 return true;
60 }
61 }
62
63 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
65 {
66 /* Run your code on data */
67 if (data == nullptr) {
68 return 0;
69 }
70
71 if (size < OHOS::U32_AT_SIZE) {
72 return 0;
73 }
74 std::vector<std::string> permissions;
75 NativeTokenGet(permissions);
76 OHOS::FuzzData fuzzData(data, size);
77 OHOS::DoSomethingInterestingWithMyAPI(fuzzData);
78 return 0;
79 }
80