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 "dataabilitymanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "data_ability_manager.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
GetFuzzAbilityRecord()43 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
44 {
45 sptr<Token> token = nullptr;
46 AbilityRequest abilityRequest;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = AbilityType::DATA;
50 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
51 if (!abilityRecord) {
52 return nullptr;
53 }
54 return abilityRecord;
55 }
56
GetFuzzAbilityToken()57 sptr<Token> GetFuzzAbilityToken()
58 {
59 sptr<Token> token = nullptr;
60 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
61 if (abilityRecord) {
62 token = abilityRecord->GetToken();
63 }
64 return token;
65 }
66
DoSomethingInterestingWithMyAPI(const char * data,size_t size)67 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
68 {
69 bool boolParam = *data % ENABLE;
70 int intParam = static_cast<int>(GetU32Data(data));
71 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
72 int64_t int64Param = static_cast<int64_t>(GetU32Data(data));
73 std::string stringParam(data, size);
74 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
75 sptr<IRemoteObject> token = GetFuzzAbilityToken();
76 std::vector<std::string> info;
77 AbilityRequest abilityRequest;
78
79 // fuzz for DataAbilityManager
80 auto dataAbilityManager = std::make_shared<DataAbilityManager>();
81 sptr<IRemoteObject> client;
82 dataAbilityManager->Acquire(abilityRequest, boolParam, client, boolParam);
83 sptr<IAbilityScheduler> scheduler;
84 dataAbilityManager->Release(scheduler, client, boolParam);
85 dataAbilityManager->ContainsDataAbility(scheduler);
86 dataAbilityManager->AttachAbilityThread(scheduler, token);
87 dataAbilityManager->AbilityTransitionDone(token, intParam);
88 dataAbilityManager->OnAbilityRequestDone(token, int32Param);
89 dataAbilityManager->OnAbilityDied(abilityRecord);
90 AppInfo appInfo;
91 dataAbilityManager->OnAppStateChanged(appInfo);
92 dataAbilityManager->GetAbilityRecordById(int64Param);
93 dataAbilityManager->GetAbilityRecordByToken(token);
94 dataAbilityManager->GetAbilityRecordByScheduler(scheduler);
95 dataAbilityManager->Dump(data, intParam);
96 dataAbilityManager->LoadLocked(stringParam, abilityRequest);
97 dataAbilityManager->DumpLocked(data, intParam);
98 dataAbilityManager->DumpState(info, stringParam);
99 dataAbilityManager->DumpSysState(info, boolParam, stringParam);
100 std::vector<AbilityRunningInfo> AbilityRunningInfoVector;
101 dataAbilityManager->GetAbilityRunningInfos(AbilityRunningInfoVector, boolParam);
102 dataAbilityManager->RestartDataAbility(abilityRecord);
103 std::shared_ptr<DataAbilityRecord> record;
104 dataAbilityManager->ReportDataAbilityAcquired(client, boolParam, record);
105 dataAbilityManager->ReportDataAbilityReleased(client, boolParam, record);
106
107 return true;
108 }
109 }
110
111 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)112 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
113 {
114 /* Run your code on data */
115 if (data == nullptr) {
116 return 0;
117 }
118
119 /* Validate the length of size */
120 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
121 return 0;
122 }
123
124 char* ch = static_cast<char*>(malloc(size + 1));
125 if (ch == nullptr) {
126 std::cout << "malloc failed." << std::endl;
127 return 0;
128 }
129
130 (void)memset_s(ch, size + 1, 0x00, size + 1);
131 if (memcpy_s(ch, size, data, size) != EOK) {
132 std::cout << "copy failed." << std::endl;
133 free(ch);
134 ch = nullptr;
135 return 0;
136 }
137
138 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
139 free(ch);
140 ch = nullptr;
141 return 0;
142 }
143
144