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 "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 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 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
46 std::string stringParam(data, size);
47 bool boolParam = *data % ENABLE;
48 InnerMissionInfo innerMissionInfo;
49
50 // fuzz for MissionInfoMgr
51 auto missionInfoMgr = std::make_shared<MissionInfoMgr>();
52 std::vector<MissionInfo> missionInfos;
53 missionInfoMgr->GetMissionInfos(int32Param, missionInfos);
54 MissionInfo missionInfo;
55 missionInfoMgr->GetMissionInfoById(int32Param, missionInfo);
56 missionInfoMgr->GetInnerMissionInfoById(int32Param, innerMissionInfo);
57 missionInfoMgr->FindReusedMissionInfo(stringParam, stringParam, boolParam, innerMissionInfo);
58
59 return true;
60 }
61 }
62
63 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
65 {
66 /* Run your code on data */
67 if (data == nullptr) {
68 return 0;
69 }
70
71 /* Validate the length of size */
72 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
73 return 0;
74 }
75
76 char* ch = (char *)malloc(size + 1);
77 if (ch == nullptr) {
78 std::cout << "malloc failed." << std::endl;
79 return 0;
80 }
81
82 (void)memset_s(ch, size + 1, 0x00, size + 1);
83 if (memcpy_s(ch, size, data, size) != EOK) {
84 std::cout << "copy failed." << std::endl;
85 free(ch);
86 ch = nullptr;
87 return 0;
88 }
89
90 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
91 free(ch);
92 ch = nullptr;
93 return 0;
94 }
95