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 "missioninfomgrc_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
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 } // namespace
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
GetFuzzAbilityToken()43 sptr<Token> GetFuzzAbilityToken()
44 {
45 sptr<Token> token = nullptr;
46 AbilityRequest abilityRequest;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = AbilityType::DATA;
50 std::shared_ptr<AbilityRecord> abilityRecord =
51 AbilityRecord::CreateAbilityRecord(abilityRequest);
52 if (abilityRecord) {
53 token = abilityRecord->GetToken();
54 }
55 return token;
56 }
57
DoSomethingInterestingWithMyAPI(const char * data,size_t size)58 bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
59 {
60 bool boolParam = *data % ENABLE;
61 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
62 std::string stringParam(data, size);
63 sptr<IRemoteObject> token = GetFuzzAbilityToken();
64 std::vector<std::string> info;
65 MissionSnapshot missionSnapshot;
66
67 // fuzz for MissionInfoMgr
68 auto missionInfoMgr = std::make_shared<MissionInfoMgr>();
69 missionInfoMgr->UpdateMissionLabel(int32Param, stringParam);
70 missionInfoMgr->LoadAllMissionInfo();
71 std::list<int32_t> missions;
72 missionInfoMgr->HandleUnInstallApp(stringParam, int32Param, missions);
73 missionInfoMgr->GetMatchedMission(stringParam, int32Param, missions);
74 missionInfoMgr->Dump(info);
75 sptr<ISnapshotHandler> snapshotHandler;
76 missionInfoMgr->RegisterSnapshotHandler(snapshotHandler);
77 missionInfoMgr->UpdateMissionSnapshot(int32Param, token, missionSnapshot,
78 boolParam);
79 missionInfoMgr->GetSnapshot(int32Param);
80 missionInfoMgr->GetMissionSnapshot(int32Param, token, missionSnapshot,
81 boolParam, boolParam);
82 Snapshot missionInfoMgrSnapshot;
83 missionInfoMgr->CreateWhitePixelMap(missionInfoMgrSnapshot);
84 return true;
85 }
86 } // namespace OHOS
87
88 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)89 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
90 {
91 /* Run your code on data */
92 if (data == nullptr) {
93 return 0;
94 }
95
96 /* Validate the length of size */
97 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
98 return 0;
99 }
100
101 char *ch = static_cast<char*>(malloc(size + 1));
102 if (ch == nullptr) {
103 std::cout << "malloc failed." << std::endl;
104 return 0;
105 }
106
107 (void)memset_s(ch, size + 1, 0x00, size + 1);
108 if (memcpy_s(ch, size, data, size) != EOK) {
109 std::cout << "copy failed." << std::endl;
110 free(ch);
111 ch = nullptr;
112 return 0;
113 }
114
115 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
116 free(ch);
117 ch = nullptr;
118 return 0;
119 }