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 "abilitycachemanagera_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "ability_cache_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
GetU32Data(const char * ptr)45 uint32_t GetU32Data(const char* ptr)
46 {
47 // convert fuzz input data to an integer
48 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
49 ptr[INPUT_THREE];
50 }
51
GetFuzzAbilityToken()52 sptr<Token> GetFuzzAbilityToken()
53 {
54 sptr<Token> token = nullptr;
55 AbilityRequest abilityRequest;
56 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
57 abilityRequest.abilityInfo.name = "MainAbility";
58 abilityRequest.abilityInfo.type = AbilityType::DATA;
59 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
60 if (abilityRecord) {
61 token = abilityRecord->GetToken();
62 }
63 return token;
64 }
65
SetElement(Want & want)66 Want& SetElement(Want &want)
67 {
68 return want.SetElementName("deviceId", "bundleName", "ability", "moduleName");
69 }
70
AbilityCacheManagerFuzztest1(bool boolParam,std::string & stringParam,int32_t int32Param)71 void AbilityCacheManagerFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
72 {
73 AbilityCacheManager& mgr = AbilityCacheManager::GetInstance();
74 mgr.Init(int32Param, int32Param);
75 std::shared_ptr<AbilityRecord> abilityRecord1;
76 Want want;
77 AppExecFwk::AbilityInfo abilityInfo;
78 AppExecFwk::ApplicationInfo applicationInfo;
79 std::shared_ptr<AbilityRecord> abilityRecord2 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
80 abilityRecord2->recordId_ = 2; // 2 means recordId
81 std::shared_ptr<AbilityRecord> abilityRecord3 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
82 abilityRecord3->recordId_ = 3; // 3 means recordId
83 mgr.AddToProcLru(abilityRecord2);
84 mgr.AddToDevLru(abilityRecord2, abilityRecord2);
85 mgr.AddToProcLru(abilityRecord3);
86 mgr.AddToDevLru(abilityRecord3, abilityRecord3);
87 mgr.Put(abilityRecord1);
88 mgr.Remove(abilityRecord1);
89 mgr.Put(abilityRecord2);
90 mgr.Remove(abilityRecord2);
91 AbilityRequest abilityRequest;
92 SetElement(abilityRequest.want);
93 bool ret = mgr.IsRecInfoSame(abilityRequest, abilityRecord2);
94 abilityInfo.moduleName = "moduleName";
95 abilityRequest.abilityInfo.moduleName = abilityInfo.moduleName;
96 SetElement(want);
97 std::shared_ptr<AbilityRecord> abilityRecord4 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
98 ret = mgr.IsRecInfoSame(abilityRequest, abilityRecord4);
99 abilityInfo.moduleName = "moduleName1";
100 mgr.IsRecInfoSame(abilityRequest, abilityRecord4);
101 mgr.AddToProcLru(abilityRecord4);
102 mgr.GetAbilityRecInProcList(abilityRequest);
103 abilityRequest.appInfo.accessTokenId = applicationInfo.accessTokenId;
104 mgr.GetAbilityRecInProcList(abilityRequest);
105 mgr.Get(abilityRequest);
106 mgr.FindRecordByToken(nullptr);
107 sptr<Token> token = GetFuzzAbilityToken();
108 mgr.FindRecordByToken(token);
109 mgr.GetAbilityList();
110 mgr.FindRecordBySessionId(stringParam);
111 mgr.FindRecordByServiceKey(stringParam);
112 mgr.RemoveLauncherDeathRecipient();
113 mgr.SignRestartAppFlag(int32Param, stringParam);
114 mgr.DeleteInvalidServiceRecord(stringParam);
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 AbilityCacheManagerFuzztest1(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