1 /*
2 * Copyright (c) 2025 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 #define private public
17 #include <cstddef>
18 #include <cstdint>
19 #include <fuzzer/FuzzedDataProvider.h>
20
21 #include "bundle_resource_event_subscriber.h"
22 #include "common_event_support.h"
23 #include "securec.h"
24
25 #include "bmsbundleresourceeventsubscriber_fuzzer.h"
26 #include "bms_fuzztest_util.h"
27
28 using namespace OHOS::AppExecFwk;
29 using namespace OHOS::AppExecFwk::BMSFuzzTestUtil;
30 namespace OHOS {
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)31 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
32 {
33 FuzzedDataProvider fdp(data, size);
34 OHOS::EventFwk::MatchingSkills matchingSkills;
35 matchingSkills.AddEvent(OHOS::EventFwk::CommonEventSupport::COMMON_EVENT_USER_SWITCHED);
36 OHOS::EventFwk::CommonEventSubscribeInfo subscribeInfo(matchingSkills);
37 auto subscriberPtr = std::make_shared<BundleResourceEventSubscriber>(subscribeInfo);
38
39 OHOS::EventFwk::CommonEventData commonEventData;
40 subscriberPtr->OnReceiveEvent(commonEventData);
41
42 OHOS::AAFwk::Want want;
43
44 want.SetParam("oldId", Constants::DEFAULT_USERID);
45 commonEventData.SetWant(want);
46 subscriberPtr->OnReceiveEvent(commonEventData);
47
48 want.SetParam("oldId", Constants::INVALID_USERID);
49 commonEventData.SetWant(want);
50 subscriberPtr->OnReceiveEvent(commonEventData);
51
52 want.SetParam("oldId", Constants::U1);
53 commonEventData.SetWant(want);
54 subscriberPtr->OnReceiveEvent(commonEventData);
55
56 int32_t userId = fdp.ConsumeIntegral<int32_t>();
57 want.SetParam("oldId", userId);
58 commonEventData.SetWant(want);
59 subscriberPtr->OnReceiveEvent(commonEventData);
60
61 int32_t oldUserId = fdp.ConsumeIntegral<int32_t>();
62 int32_t newUserId = fdp.ConsumeIntegral<int32_t>();
63 subscriberPtr->OnUserIdChanged(oldUserId, newUserId);
64
65 return true;
66 }
67 }
68
69 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
71 {
72 /* Run your code on data */
73 OHOS::DoSomethingInterestingWithMyAPI(data, size);
74 return 0;
75 }