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 "abilityautostartupservicea_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "ability_auto_startup_service.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
AbilityStartupServiceFuzztest(bool boolParam,std::string & stringParam,int32_t int32Param)66 void AbilityStartupServiceFuzztest(bool boolParam, std::string &stringParam, int32_t int32Param)
67 {
68 std::shared_ptr<AbilityAutoStartupService> service = std::make_shared<AbilityAutoStartupService>();
69 sptr<IRemoteObject> token1 = GetFuzzAbilityToken();
70 service->RegisterAutoStartupSystemCallback(token1); // branch
71 service->RegisterAutoStartupSystemCallback(token1); // branch duplicate regist
72 service->UnregisterAutoStartupSystemCallback(token1); // branch
73 sptr<IRemoteObject> token2 = GetFuzzAbilityToken();
74 service->UnregisterAutoStartupSystemCallback(token2); // branch unregister not exist.
75
76 AutoStartupInfo info;
77 info.bundleName = "com.example.fuzzTest";
78 info.moduleName = "stringParam";
79 info.abilityName = "MainAbility";
80 info.appCloneIndex = int32Param;
81 info.accessTokenId = "accessTokenId";
82 info.userId = int32Param;
83 service->SetApplicationAutoStartup(info);
84 service->InnerSetApplicationAutoStartup(info);
85 service->CancelApplicationAutoStartup(info);
86
87 std::vector<AutoStartupInfo> vecs;
88 vecs.emplace_back(info);
89 service->QueryAllAutoStartupApplications(vecs, int32Param);
90 service->QueryAllAutoStartupApplicationsWithoutPermission(vecs, int32Param);
91 service->DeleteAutoStartupData(stringParam, int32Param);
92 service->CheckAutoStartupData(stringParam, int32Param);
93 service->ExecuteCallbacks(boolParam, info);
94 }
95
DoSomethingInterestingWithMyAPI(const char * data,size_t size)96 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
97 {
98 bool boolParam = *data % ENABLE;
99 std::string stringParam(data, size);
100 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
101 AbilityStartupServiceFuzztest(boolParam, stringParam, int32Param);
102 return true;
103 }
104 }
105
106 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)107 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
108 {
109 /* Run your code on data */
110 if (data == nullptr) {
111 return 0;
112 }
113
114 /* Validate the length of size */
115 if (size < OHOS::U32_AT_SIZE) {
116 return 0;
117 }
118
119 char* ch = static_cast<char*>(malloc(size + 1));
120 if (ch == nullptr) {
121 std::cout << "malloc failed." << std::endl;
122 return 0;
123 }
124
125 (void)memset_s(ch, size + 1, 0x00, size + 1);
126 if (memcpy_s(ch, size, data, size) != EOK) {
127 std::cout << "copy failed." << std::endl;
128 free(ch);
129 ch = nullptr;
130 return 0;
131 }
132
133 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
134 free(ch);
135 ch = nullptr;
136 return 0;
137 }
138
139