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 "missioninfomgra_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#include "mission_info_mgr.h"
23#undef private
24
25#include "ability_record.h"
26
27using namespace OHOS::AAFwk;
28using namespace OHOS::AppExecFwk;
29
30namespace OHOS {
31namespace {
32constexpr size_t FOO_MAX_LEN = 1024;
33constexpr size_t U32_AT_SIZE = 4;
34}
35
36uint32_t GetU32Data(const char* ptr)
37{
38    // convert fuzz input data to an integer
39    return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
40}
41
42bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
43{
44    int intParam = static_cast<int>(GetU32Data(data));
45    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
46    InnerMissionInfo innerMissionInfo;
47
48    // fuzz for MissionInfoMgr
49    auto missionInfoMgr = std::make_shared<MissionInfoMgr>();
50    missionInfoMgr->GenerateMissionId(int32Param);
51    missionInfoMgr->taskDataPersistenceMgr_ = DelayedSingleton<TaskDataPersistenceMgr>::GetInstance();
52    missionInfoMgr->AddMissionInfo(innerMissionInfo);
53    missionInfoMgr->UpdateMissionInfo(innerMissionInfo);
54    missionInfoMgr->DeleteMissionInfo(intParam);
55
56    return true;
57}
58}
59
60/* Fuzzer entry point */
61extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62{
63    /* Run your code on data */
64    if (data == nullptr) {
65        return 0;
66    }
67
68    /* Validate the length of size */
69    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
70        return 0;
71    }
72
73    char* ch = (char*)malloc(size + 1);
74    if (ch == nullptr) {
75        std::cout << "malloc failed." << std::endl;
76        return 0;
77    }
78
79    (void)memset_s(ch, size + 1, 0x00, size + 1);
80    if (memcpy_s(ch, size, data, size) != EOK) {
81        std::cout << "copy failed." << std::endl;
82        free(ch);
83        ch = nullptr;
84        return 0;
85    }
86
87    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
88    free(ch);
89    ch = nullptr;
90    return 0;
91}