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 "jsabilityautostartupmanager_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "js_ability_auto_startup_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
JsAbilityAutostartupManagerFuzztest1(bool boolParam,std::string & stringParam,int32_t int32Param)67 void JsAbilityAutostartupManagerFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
68 {
69 std::shared_ptr<JsAbilityAutoStartupManager> mgr = std::make_shared<JsAbilityAutoStartupManager>();
70 napi_env env = nullptr;
71 mgr->Finalizer(env, nullptr, nullptr); // branch
72 napi_callback_info info = nullptr;
73 mgr->RegisterAutoStartupCallback(env, info); // branch
74 mgr->UnregisterAutoStartupCallback(env, info); // branch
75 mgr->SetApplicationAutoStartup(env, info); // branch
76 mgr->CancelApplicationAutoStartup(env, info); // branch
77 mgr->QueryAllAutoStartupApplications(env, info); // branch
78 }
79
DoSomethingInterestingWithMyAPI(const char * data,size_t size)80 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
81 {
82 bool boolParam = *data % ENABLE;
83 std::string stringParam(data, size);
84 int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
85 JsAbilityAutostartupManagerFuzztest1(boolParam, stringParam, int32Param);
86 return true;
87 }
88 }
89
90 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)91 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
92 {
93 /* Run your code on data */
94 if (data == nullptr) {
95 return 0;
96 }
97
98 /* Validate the length of size */
99 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
100 return 0;
101 }
102
103 char* ch = static_cast<char*>(malloc(size + 1));
104 if (ch == nullptr) {
105 std::cout << "malloc failed." << std::endl;
106 return 0;
107 }
108
109 (void)memset_s(ch, size + 1, 0x00, size + 1);
110 if (memcpy_s(ch, size, data, size) != EOK) {
111 std::cout << "copy failed." << std::endl;
112 free(ch);
113 ch = nullptr;
114 return 0;
115 }
116
117 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
118 free(ch);
119 ch = nullptr;
120 return 0;
121 }
122
123