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 "abilitydebugdeal_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "ability_debug_deal.h"
23 #undef private
24 #include "ability_record.h"
25 #include "ability_debug_response_stub.h"
26 #include "securec.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_THREE = 3;
36 constexpr size_t FOO_MAX_LEN = 1024;
37 constexpr uint8_t ENABLE = 2;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 }
43
GetU32Data(const char * ptr)44 uint32_t GetU32Data(const char* ptr)
45 {
46 // convert fuzz input data to an integer
47 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
48 ptr[INPUT_THREE];
49 }
50
GetFuzzAbilityRecord()51 std::shared_ptr<AbilityRecord> GetFuzzAbilityRecord()
52 {
53 sptr<Token> token = nullptr;
54 AbilityRequest abilityRequest;
55 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
56 abilityRequest.abilityInfo.name = "MainAbility";
57 abilityRequest.abilityInfo.type = AbilityType::DATA;
58 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
59 if (!abilityRecord) {
60 return nullptr;
61 }
62 return abilityRecord;
63 }
64
GetFuzzAbilityToken()65 sptr<Token> GetFuzzAbilityToken()
66 {
67 sptr<Token> token = nullptr;
68 std::shared_ptr<AbilityRecord> abilityRecord = GetFuzzAbilityRecord();
69 if (abilityRecord) {
70 token = abilityRecord->GetToken();
71 }
72 return token;
73 }
74
DoSomethingInterestingWithMyAPI(const char * data,size_t size)75 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
76 {
77 bool boolParam = *data % ENABLE;
78 sptr<IRemoteObject> token = GetFuzzAbilityToken();
79 std::vector<sptr<IRemoteObject>> tokens;
80 std::weak_ptr<AbilityDebugDeal> deal;
81 auto abilityDebugDeal = std::make_shared<AbilityDebugDeal>();
82 abilityDebugDeal->OnAbilitysDebugStarted(tokens);
83 abilityDebugDeal->OnAbilitysDebugStoped(tokens);
84 abilityDebugDeal->OnAbilitysAssertDebugChange(tokens, boolParam);
85 abilityDebugDeal->RegisterAbilityDebugResponse();
86
87 auto abilityDebugResponse = std::make_shared<AbilityDebugResponse>(deal);
88 abilityDebugResponse->OnAbilitysDebugStarted(tokens);
89 abilityDebugResponse->OnAbilitysDebugStoped(tokens);
90 abilityDebugResponse->OnAbilitysAssertDebugChange(tokens, boolParam);
91
92 return true;
93 }
94 }
95
96 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)97 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
98 {
99 /* Run your code on data */
100 if (data == nullptr) {
101 std::cout << "invalid data" << std::endl;
102 return 0;
103 }
104
105 /* Validate the length of size */
106 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
107 return 0;
108 }
109
110 char* ch = static_cast<char*>(malloc(size + 1));
111 if (ch == nullptr) {
112 std::cout << "malloc failed." << std::endl;
113 return 0;
114 }
115
116 (void)memset_s(ch, size + 1, 0x00, size + 1);
117 if (memcpy_s(ch, size + 1, data, size) != EOK) {
118 std::cout << "copy failed." << std::endl;
119 free(ch);
120 ch = nullptr;
121 return 0;
122 }
123
124 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
125 free(ch);
126 ch = nullptr;
127 return 0;
128 }
129
130