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 "missiondatastorage_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "mission_data_storage.h"
23 #undef private
24
25 #include "securec.h"
26 #include "ability_record.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_TWO = 2;
36 constexpr int INPUT_THREE = 3;
37 constexpr size_t FOO_MAX_LEN = 1024;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 constexpr uint8_t ENABLE = 2;
43 } // namespace
44
GetU32Data(const char* ptr)45 uint32_t GetU32Data(const char* ptr)
46 {
47 // convert fuzz input data to an integer
48 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
49 ptr[INPUT_THREE];
50 }
51
DoSomethingInterestingWithMyAPI(const char* data, size_t size)52 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
53 {
54 int intParam = static_cast<int>(GetU32Data(data));
55 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
56 auto missionDataStorage = std::make_shared<MissionDataStorage>();
57 InnerMissionInfo missionInfo;
58 missionInfo.missionInfo.id = int32Param;
59 std::list<InnerMissionInfo> missionInfoList;
60 missionDataStorage->SaveMissionInfo(missionInfo);
61 missionDataStorage->LoadAllMissionInfo(missionInfoList);
62 missionDataStorage->DeleteMissionInfo(intParam);
63 missionDataStorage->DeleteMissionInfo(intParam + 1);
64 MissionSnapshot missionSnapshot;
65 missionDataStorage->SaveMissionSnapshot(int32Param, missionSnapshot);
66 missionDataStorage->DeleteMissionSnapshot(int32Param);
67 bool boolParam = *data % ENABLE;
68 missionDataStorage->GetMissionSnapshot(int32Param, missionSnapshot, boolParam);
69 missionDataStorage->GetMissionSnapshotPath(int32Param, boolParam);
70
71 #ifdef SUPPORT_SCREEN
72 std::shared_ptr<OHOS::Media::PixelMap> snapshot = nullptr;
73 missionDataStorage->GetReducedPixelMap(snapshot);
74 snapshot = std::make_shared<Media::PixelMap>();
75 missionDataStorage->GetReducedPixelMap(snapshot);
76 missionDataStorage->GetSnapshot(int32Param, boolParam);
77 missionDataStorage->GetPixelMap(int32Param, boolParam);
78 std::string stringParam("mission_788529156.json");
79 size_t bufferSize;
80 missionDataStorage->ReadFileToBuffer(stringParam, bufferSize);
81 missionDataStorage->GetCachedSnapshot(int32Param, missionSnapshot);
82 missionDataStorage->SaveSnapshotFile(int32Param, missionSnapshot);
83 missionSnapshot.snapshot = std::make_shared<Media::PixelMap>();
84 missionDataStorage->SaveCachedSnapshot(int32Param, missionSnapshot);
85 missionDataStorage->DeleteCachedSnapshot(int32Param);
86 missionDataStorage->DeleteMissionSnapshot(int32Param);
87 missionDataStorage->SaveSnapshotFile(int32Param, missionSnapshot);
88 #endif
89
90 return true;
91 }
92 }
93
94 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)95 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
96 {
97 /* Run your code on data */
98 if (data == nullptr) {
99 return 0;
100 }
101
102 /* Validate the length of size */
103 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
104 return 0;
105 }
106
107 char* ch = (char*)malloc(size + 1);
108 if (ch == nullptr) {
109 std::cout << "malloc failed." << std::endl;
110 return 0;
111 }
112
113 (void)memset_s(ch, size + 1, 0x00, size + 1);
114 if (memcpy_s(ch, size + 1, data, size) != EOK) {
115 std::cout << "copy failed." << std::endl;
116 free(ch);
117 ch = nullptr;
118 return 0;
119 }
120
121 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
122 free(ch);
123 ch = nullptr;
124 return 0;
125 }