1 /*
2 * Copyright (c) 2024 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 "bgtasksubscribebackgroundtask_fuzzer.h"
17 #include "securec.h"
18
19 #include "background_task_mgr_service.h"
20 #include "ibackground_task_mgr_ipc_interface_code.h"
21
22 namespace OHOS {
23 namespace BackgroundTaskMgr {
24 const std::string BGTASK_SERVICE_NAME = "BgtaskMgrService";
25 constexpr int32_t U32_AT_SIZE = 4;
26 bool g_isOnstarted = false;
27 const std::u16string BACKGROUND_TASK_MGR_STUB_TOKEN = u"ohos.resourceschedule.IBackgroundTaskMgr";
28
DoSomethingInterestingWithMyAPI(const char * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
30 {
31 MessageParcel datas;
32 datas.WriteInterfaceToken(BACKGROUND_TASK_MGR_STUB_TOKEN);
33 datas.WriteBuffer(data, size);
34 datas.RewindRead(0);
35 MessageParcel reply;
36 MessageOption option;
37 if (!g_isOnstarted) {
38 std::shared_ptr<AppExecFwk::EventRunner> runner_ {nullptr};
39 runner_ = AppExecFwk::EventRunner::Create(BGTASK_SERVICE_NAME);
40 DelayedSingleton<BgEfficiencyResourcesMgr>::GetInstance()->Init(runner_);
41 BgContinuousTaskMgr::GetInstance()->Init(runner_);
42 DelayedSingleton<BgTransientTaskMgr>::GetInstance()->Init(runner_);
43 g_isOnstarted = true;
44 }
45 uint32_t code = static_cast<uint32_t>(BackgroundTaskMgrStubInterfaceCode::SUBSCRIBE_BACKGROUND_TASK);
46 DelayedSingleton<BackgroundTaskMgrService>::GetInstance()->OnRemoteRequest(
47 code, datas, reply, option);
48 return true;
49 }
50 } // BackgroundTaskMgr
51 } // OHOS
52
53 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)54 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
55 {
56 /* Run your code on data */
57 if (data == nullptr) {
58 return 0;
59 }
60
61 if (size < OHOS::BackgroundTaskMgr::U32_AT_SIZE) {
62 return 0;
63 }
64
65 char* ch = static_cast<char *>(malloc(size + 1));
66 if (ch == nullptr) {
67 return 0;
68 }
69
70 (void)memset_s(ch, size + 1, 0x00, size + 1);
71 if (memcpy_s(ch, size + 1, data, size) != EOK) {
72 free(ch);
73 ch = nullptr;
74 return 0;
75 }
76
77 OHOS::BackgroundTaskMgr::DoSomethingInterestingWithMyAPI(ch, size);
78 free(ch);
79 ch = nullptr;
80 return 0;
81 }
82