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 "missiondatastoragea_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 "ability_record.h"
26
27 using namespace OHOS::AAFwk;
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 namespace {
32 constexpr size_t FOO_MAX_LEN = 1024;
33 constexpr size_t U32_AT_SIZE = 4;
34 constexpr uint8_t ENABLE = 2;
35 }
36
GetU32Data(const char * ptr)37 uint32_t GetU32Data(const char* ptr)
38 {
39 // convert fuzz input data to an integer
40 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
41 }
42
DoSomethingInterestingWithMyAPI(const char * data,size_t size)43 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
44 {
45 bool boolParam = *data % ENABLE;
46 int intParam = static_cast<int>(GetU32Data(data));
47 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
48 std::string stringParam(data, size);
49 MissionSnapshot missionSnapshot;
50 InnerMissionInfo innerMissionInfo;
51
52 // fuzz for MissionDataStorage
53 auto missionDataStorage = std::make_shared<MissionDataStorage>(intParam);
54 std::shared_ptr<AppExecFwk::EventHandler> handler;
55 missionDataStorage->SetEventHandler(handler);
56 std::list<InnerMissionInfo> missionInfoList;
57 missionDataStorage->LoadAllMissionInfo(missionInfoList);
58 missionDataStorage->SaveMissionInfo(innerMissionInfo);
59 missionDataStorage->SaveMissionSnapshot(int32Param, missionSnapshot);
60 missionDataStorage->GetMissionSnapshot(int32Param, missionSnapshot, boolParam);
61 missionDataStorage->GetMissionDataDirPath();
62 missionDataStorage->GetMissionDataFilePath(intParam);
63 missionDataStorage->GetMissionSnapshotPath(int32Param, boolParam);
64 missionDataStorage->CheckFileNameValid(stringParam);
65 missionDataStorage->SaveSnapshotFile(int32Param, missionSnapshot);
66
67 return true;
68 }
69 }
70
71 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)72 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
73 {
74 /* Run your code on data */
75 if (data == nullptr) {
76 return 0;
77 }
78
79 /* Validate the length of size */
80 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
81 return 0;
82 }
83
84 char* ch = (char *)malloc(size + 1);
85 if (ch == nullptr) {
86 std::cout << "malloc failed." << std::endl;
87 return 0;
88 }
89
90 (void)memset_s(ch, size + 1, 0x00, size + 1);
91 if (memcpy_s(ch, size, data, size) != EOK) {
92 std::cout << "copy failed." << std::endl;
93 free(ch);
94 ch = nullptr;
95 return 0;
96 }
97
98 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
99 free(ch);
100 ch = nullptr;
101 return 0;
102 }
103
104