1 /*
2 * Copyright (c) 2024-2025 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 "abilityautostartupdatamanagerb_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "ability_auto_startup_data_manager.h"
24 #undef protected
25 #undef private
26
27 #include "ability_record.h"
28
29 using namespace OHOS::AAFwk;
30 using namespace OHOS::AppExecFwk;
31 using namespace OHOS::AbilityRuntime;
32
33 namespace OHOS {
34 namespace {
35 constexpr int INPUT_ZERO = 0;
36 constexpr int INPUT_ONE = 1;
37 constexpr int INPUT_THREE = 3;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr uint8_t ENABLE = 2;
40 constexpr size_t OFFSET_ZERO = 24;
41 constexpr size_t OFFSET_ONE = 16;
42 constexpr size_t OFFSET_TWO = 8;
43
44 const std::string jsonKey1 = "{\n\"bundleName\": \"com.example.fuzzTest\", \n\"moduleName\": \"module\",\
45 \n\"abilityName\": \"ability\", \n\"appCloneIndex\": -1, \n\"accessTokenId\": \"token\",\
46 \n\"userId\": 100 }";
47 const std::string jsonValue1 = "{\n\"abilityTypeName\": \"typeName\"}";
48 const std::string jsonValue1Illegal = "{\n\"abilityTypeName\": \"typeName\"";
49
50 const std::string jsonKey2 = "{\n\"bundleName2\": \"com.example.fuzzTest2\"}";
51 const std::string jsonValue2 = "{\n\"abilityTypeName2\": \"typeName\"}";
52 const std::string jsonValue3 = "{\n\"abilityTypeName\": 1 }";
53 }
54
GetU32Data(const char * ptr)55 uint32_t GetU32Data(const char* ptr)
56 {
57 // convert fuzz input data to an integer
58 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
59 ptr[INPUT_THREE];
60 }
61
GetFuzzAbilityToken()62 sptr<Token> GetFuzzAbilityToken()
63 {
64 sptr<Token> token = nullptr;
65 AbilityRequest abilityRequest;
66 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
67 abilityRequest.abilityInfo.name = "MainAbility";
68 abilityRequest.abilityInfo.type = AbilityType::DATA;
69 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
70 if (abilityRecord) {
71 token = abilityRecord->GetToken();
72 }
73 return token;
74 }
75
AbilityAutoStartupDataManagerFuzztest1(bool boolParam,std::string & stringParam,int32_t int32Param)76 void AbilityAutoStartupDataManagerFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
77 {
78 std::shared_ptr<AbilityAutoStartupDataManager> dataMgr = std::make_shared<AbilityAutoStartupDataManager>();
79 AutoStartupInfo info;
80 info.bundleName = "com.example.fuzzTest";
81 info.moduleName = "stringParam";
82 info.abilityName = "MainAbility";
83 info.appCloneIndex = int32Param;
84 info.accessTokenId = "accessTokenId";
85 info.setterUserId = int32Param;
86 info.userId = int32Param;
87 dataMgr->ConvertAutoStartupDataToKey(info);
88
89 DistributedKv::Key key1(jsonKey1);
90 DistributedKv::Key key1Illegal(jsonValue1Illegal);
91 DistributedKv::Value value1(jsonValue1);
92 dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key1, value1);
93 dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key1Illegal, value1);
94
95 DistributedKv::Key key2(jsonKey2);
96 DistributedKv::Value value2(jsonValue2);
97 DistributedKv::Value value2Illegal(jsonValue1Illegal);
98 DistributedKv::Value value3(jsonValue3);
99 dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value2);
100 dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value2Illegal);
101 dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value3);
102
103 nlohmann::json jsonObject = nlohmann::json::parse(key1.ToString(), nullptr, false);
104 dataMgr->IsEqual(key1, info);
105 dataMgr->IsEqual(key2, info);
106 dataMgr->IsEqual(key1Illegal, info);
107
108 dataMgr->IsEqual(key1, "token");
109 dataMgr->IsEqual(key1, "NaN");
110 dataMgr->IsEqual(key1Illegal, "token");
111
112 dataMgr->IsEqual(key1, 100); // 100 means userid
113 dataMgr->IsEqual(key1, int32Param);
114 dataMgr->IsEqual(key1Illegal, 0);
115 }
116
DoSomethingInterestingWithMyAPI(const char * data,size_t size)117 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
118 {
119 bool boolParam = *data % ENABLE;
120 std::string stringParam(data, size);
121 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
122 AbilityAutoStartupDataManagerFuzztest1(boolParam, stringParam, int32Param);
123 return true;
124 }
125 }
126
127 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)128 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
129 {
130 /* Run your code on data */
131 if (data == nullptr) {
132 return 0;
133 }
134
135 /* Validate the length of size */
136 if (size < OHOS::U32_AT_SIZE) {
137 return 0;
138 }
139
140 char* ch = static_cast<char*>(malloc(size + 1));
141 if (ch == nullptr) {
142 std::cout << "malloc failed." << std::endl;
143 return 0;
144 }
145
146 (void)memset_s(ch, size + 1, 0x00, size + 1);
147 if (memcpy_s(ch, size, data, size) != EOK) {
148 std::cout << "copy failed." << std::endl;
149 free(ch);
150 ch = nullptr;
151 return 0;
152 }
153
154 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
155 free(ch);
156 ch = nullptr;
157 return 0;
158 }
159
160