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 "missioninfomgrb_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 U32_AT_SIZE = 4;
33 constexpr uint8_t ENABLE = 2;
34 } // namespace
35
GetU32Data(const char * ptr)36 uint32_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
DoSomethingInterestingWithMyAPI(const char * data,size_t size)42 bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
43 {
44 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
45 std::string stringParam(data, size);
46 bool boolParam = *data % ENABLE;
47 InnerMissionInfo innerMissionInfo;
48 // fuzz for MissionInfoMgr
49 auto missionInfoMgr = std::make_shared<MissionInfoMgr>();
50 std::vector<MissionInfo> missionInfos;
51 missionInfoMgr->GetMissionInfos(int32Param, missionInfos);
52 MissionInfo missionInfo;
53 missionInfoMgr->GetMissionInfoById(int32Param, missionInfo);
54 missionInfoMgr->GetInnerMissionInfoById(int32Param, innerMissionInfo);
55 missionInfoMgr->FindReusedMissionInfo(stringParam, stringParam, boolParam, innerMissionInfo);
56 return true;
57 }
58 } // namespace OHOS
59
60 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "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) {
70 return 0;
71 }
72
73 char *ch = static_cast<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 }