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 "abilityautostartupserviceb_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 #include "auto_startup_callback_proxy.h"
29
30 using namespace OHOS::AAFwk;
31 using namespace OHOS::AppExecFwk;
32 using namespace OHOS::AbilityRuntime;
33
34 namespace OHOS {
35 namespace {
36 constexpr int INPUT_ZERO = 0;
37 constexpr int INPUT_ONE = 1;
38 constexpr int INPUT_THREE = 3;
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
AbilityStartupServiceFuzztest1(bool boolParam,std::string & stringParam,int32_t int32Param)67 void AbilityStartupServiceFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
68 {
69 std::shared_ptr<AbilityAutoStartupService> service = std::make_shared<AbilityAutoStartupService>();
70 service->SetDeathRecipient(nullptr, nullptr);
71 sptr<Token> token1 = GetFuzzAbilityToken();
72 service->SetDeathRecipient(token1, nullptr); // add deathrecipient
73 sptr<IRemoteObject::DeathRecipient> client =
74 new (std::nothrow) AbilityAutoStartupService::ClientDeathRecipient(std::weak_ptr(service));
75 service->SetDeathRecipient(token1, client); // add deathrecipient
76 service->SetDeathRecipient(token1, client); // duplicate add deathrecipient
77 sptr<Token> token2 = GetFuzzAbilityToken();
78 service->RegisterAutoStartupSystemCallback(token1);
79 service->CleanResource(nullptr); // branch nullptr token
80 service->CleanResource(token1); // branch clean exists token
81 service->CleanResource(token2); // branch clean not exists token
82
83 client->OnRemoteDied(nullptr); // branch
84 client->OnRemoteDied(token1); // branch
85
86 service->GetSelfApplicationBundleName();
87 service->CheckSelfApplication(stringParam);
88 AppExecFwk::BundleInfo bundleInfo;
89 service->GetBundleInfo(stringParam, bundleInfo, int32Param, int32Param, int32Param); // branch
90 AutoStartupInfo info;
91 service->GetAbilityData(info, boolParam, stringParam, stringParam, int32Param); // branch
92 AppExecFwk::AbilityInfo abilityInfo;
93 service->GetAbilityTypeName(abilityInfo); // branch
94 abilityInfo.type == AppExecFwk::AbilityType::PAGE;
95 service->GetAbilityTypeName(abilityInfo); // branch
96 AppExecFwk::ExtensionAbilityInfo extensionInfo;
97 service->GetExtensionTypeName(extensionInfo);
98 extensionInfo.type == AppExecFwk::ExtensionAbilityType::SERVICE;
99 service->GetExtensionTypeName(extensionInfo);
100 service->GetBundleMgrClient();
101 service->CheckPermissionForSystem();
102 service->CheckPermissionForSelf(stringParam);
103 service->GetAbilityInfo(info, stringParam, stringParam, int32Param);
104 service->SetApplicationAutoStartupByEDM(info, boolParam);
105 service->CancelApplicationAutoStartupByEDM(info, boolParam);
106 service->InnerApplicationAutoStartupByEDM(info, boolParam, boolParam);
107 service->CheckPermissionForEDM();
108 }
109
DoSomethingInterestingWithMyAPI(const char * data,size_t size)110 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
111 {
112 bool boolParam = *data % ENABLE;
113 std::string stringParam(data, size);
114 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
115 AbilityStartupServiceFuzztest1(boolParam, stringParam, int32Param);
116 return true;
117 }
118 }
119
120 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)121 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
122 {
123 /* Run your code on data */
124 if (data == nullptr) {
125 return 0;
126 }
127
128 /* Validate the length of size */
129 if (size < OHOS::U32_AT_SIZE) {
130 return 0;
131 }
132
133 char* ch = static_cast<char*>(malloc(size + 1));
134 if (ch == nullptr) {
135 std::cout << "malloc failed." << std::endl;
136 return 0;
137 }
138
139 (void)memset_s(ch, size + 1, 0x00, size + 1);
140 if (memcpy_s(ch, size, data, size) != EOK) {
141 std::cout << "copy failed." << std::endl;
142 free(ch);
143 ch = nullptr;
144 return 0;
145 }
146
147 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
148 free(ch);
149 ch = nullptr;
150 return 0;
151 }
152
153