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 FOO_MAX_LEN = 1024;
39 constexpr size_t U32_AT_SIZE = 4;
40 constexpr uint8_t ENABLE = 2;
41 constexpr size_t OFFSET_ZERO = 24;
42 constexpr size_t OFFSET_ONE = 16;
43 constexpr size_t OFFSET_TWO = 8;
44 }
45
GetU32Data(const char * ptr)46 uint32_t GetU32Data(const char* ptr)
47 {
48 // convert fuzz input data to an integer
49 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
50 ptr[INPUT_THREE];
51 }
52
GetFuzzAbilityToken()53 sptr<Token> GetFuzzAbilityToken()
54 {
55 sptr<Token> token = nullptr;
56 AbilityRequest abilityRequest;
57 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
58 abilityRequest.abilityInfo.name = "MainAbility";
59 abilityRequest.abilityInfo.type = AbilityType::DATA;
60 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
61 if (abilityRecord) {
62 token = abilityRecord->GetToken();
63 }
64 return token;
65 }
66
SetElement(Want & want)67 Want& SetElement(Want &want)
68 {
69 return want.SetElementName("deviceId", "bundleName", "ability", "moduleName");
70 }
71
AbilityCacheManagerFuzztest1(bool boolParam,std::string & stringParam,int32_t int32Param)72 void AbilityCacheManagerFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
73 {
74 AbilityCacheManager& mgr = AbilityCacheManager::GetInstance();
75 mgr.Init(int32Param, int32Param);
76 std::shared_ptr<AbilityRecord> abilityRecord1;
77 Want want;
78 AppExecFwk::AbilityInfo abilityInfo;
79 AppExecFwk::ApplicationInfo applicationInfo;
80 std::shared_ptr<AbilityRecord> abilityRecord2 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
81 abilityRecord2->recordId_ = 2; // 2 means recordId
82 std::shared_ptr<AbilityRecord> abilityRecord3 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
83 abilityRecord3->recordId_ = 3; // 3 means recordId
84 mgr.AddToProcLru(abilityRecord2);
85 mgr.AddToDevLru(abilityRecord2, abilityRecord2);
86 mgr.AddToProcLru(abilityRecord3);
87 mgr.AddToDevLru(abilityRecord3, abilityRecord3);
88 mgr.Put(abilityRecord1);
89 mgr.Remove(abilityRecord1);
90 mgr.Put(abilityRecord2);
91 mgr.Remove(abilityRecord2);
92 AbilityRequest abilityRequest;
93 SetElement(abilityRequest.want);
94 bool ret = mgr.IsRecInfoSame(abilityRequest, abilityRecord2);
95 abilityInfo.moduleName = "moduleName";
96 abilityRequest.abilityInfo.moduleName = abilityInfo.moduleName;
97 SetElement(want);
98 std::shared_ptr<AbilityRecord> abilityRecord4 = std::make_shared<AbilityRecord>(want, abilityInfo, applicationInfo);
99 ret = mgr.IsRecInfoSame(abilityRequest, abilityRecord4);
100 abilityInfo.moduleName = "moduleName1";
101 mgr.IsRecInfoSame(abilityRequest, abilityRecord4);
102 mgr.AddToProcLru(abilityRecord4);
103 mgr.GetAbilityRecInProcList(abilityRequest);
104 abilityRequest.appInfo.accessTokenId = applicationInfo.accessTokenId;
105 mgr.GetAbilityRecInProcList(abilityRequest);
106 mgr.Get(abilityRequest);
107 mgr.FindRecordByToken(nullptr);
108 sptr<Token> token = GetFuzzAbilityToken();
109 mgr.FindRecordByToken(token);
110 mgr.GetAbilityList();
111 mgr.FindRecordBySessionId(stringParam);
112 mgr.FindRecordByServiceKey(stringParam);
113 mgr.RemoveLauncherDeathRecipient();
114 mgr.SignRestartAppFlag(int32Param);
115 mgr.DeleteInvalidServiceRecord(stringParam);
116 }
117
DoSomethingInterestingWithMyAPI(const char * data,size_t size)118 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
119 {
120 bool boolParam = *data % ENABLE;
121 std::string stringParam(data, size);
122 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
123 AbilityCacheManagerFuzztest1(boolParam, stringParam, int32Param);
124 return true;
125 }
126 }
127
128 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)129 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
130 {
131 /* Run your code on data */
132 if (data == nullptr) {
133 return 0;
134 }
135
136 /* Validate the length of size */
137 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
138 return 0;
139 }
140
141 char* ch = static_cast<char*>(malloc(size + 1));
142 if (ch == nullptr) {
143 std::cout << "malloc failed." << std::endl;
144 return 0;
145 }
146
147 (void)memset_s(ch, size + 1, 0x00, size + 1);
148 if (memcpy_s(ch, size, data, size) != EOK) {
149 std::cout << "copy failed." << std::endl;
150 free(ch);
151 ch = nullptr;
152 return 0;
153 }
154
155 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
156 free(ch);
157 ch = nullptr;
158 return 0;
159 }
160
161