1 /*
2 * Copyright (c) 2022 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 "abilitytransitiondone_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_manager_client.h"
22 #include "ability_record.h"
23 #include "ability_connect_manager.h"
24 #include "data_ability_manager.h"
25
26 using namespace OHOS::AAFwk;
27 using namespace OHOS::AppExecFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr int INPUT_ZERO = 0;
32 constexpr int INPUT_ONE = 1;
33 constexpr int INPUT_TWO = 2;
34 constexpr int INPUT_THREE = 3;
35 constexpr size_t U32_AT_SIZE = 4;
36 constexpr int32_t UID_TEST = 100;
37 constexpr int OFFSET_ZERO = 24;
38 constexpr int OFFSET_ONE = 16;
39 constexpr int OFFSET_TWO = 8;
40 }
GetFuzzAbilityToken(AbilityType type)41 sptr<Token> GetFuzzAbilityToken(AbilityType type)
42 {
43 sptr<Token> token = nullptr;
44
45 AbilityRequest abilityRequest;
46 abilityRequest.uid = UID_TEST;
47 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
48 abilityRequest.abilityInfo.name = "MainAbility";
49 abilityRequest.abilityInfo.type = type;
50 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
51 if (abilityRecord) {
52 token = abilityRecord->GetToken();
53 }
54
55 return token;
56 }
GetU32Data(const char * ptr)57 uint32_t GetU32Data(const char* ptr)
58 {
59 // convert fuzz input data to an integer
60 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
61 ptr[INPUT_THREE];
62 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)63 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
64 {
65 auto abilitymgr = AbilityManagerClient::GetInstance();
66 int userId = static_cast<int>(GetU32Data(data));
67 auto connectManager = new AbilityConnectManager(userId);
68 auto dataManager = new DataAbilityManager();
69 int state = AbilityLifeCycleState::ABILITY_STATE_INITIAL;
70 PacMap saveData;
71 if (!abilitymgr) {
72 return false;
73 }
74
75 // get token
76 sptr<IRemoteObject> token = GetFuzzAbilityToken(AbilityType::PAGE);
77 if (!token) {
78 std::cout << "Get ability token failed." << std::endl;
79 return false;
80 }
81
82 // get serviceToken
83 sptr<IRemoteObject> serviceToken = GetFuzzAbilityToken(AbilityType::SERVICE);
84 if (!serviceToken) {
85 std::cout << "Get service ability token failed." << std::endl;
86 return false;
87 }
88
89 // get dataToken
90 sptr<IRemoteObject> dataToken = GetFuzzAbilityToken(AbilityType::DATA);
91 if (!dataToken) {
92 std::cout << "Get data ability token failed." << std::endl;
93 return false;
94 }
95
96 if (connectManager) {
97 connectManager->AbilityTransitionDone(serviceToken, state);
98 }
99
100 if (dataManager) {
101 dataManager->AbilityTransitionDone(dataToken, state);
102 }
103
104 if (abilitymgr->AbilityTransitionDone(token, state, saveData) != 0) {
105 return false;
106 }
107
108 return true;
109 }
110 }
111
112 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)113 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
114 {
115 /* Run your code on data */
116 if (data == nullptr) {
117 std::cout << "invalid data" << std::endl;
118 return 0;
119 }
120
121 /* Validate the length of size */
122 if (size < OHOS::U32_AT_SIZE) {
123 return 0;
124 }
125
126 char* ch = static_cast<char*>(malloc(size + 1));
127 if (ch == nullptr) {
128 std::cout << "malloc failed." << std::endl;
129 return 0;
130 }
131
132 (void)memset_s(ch, size + 1, 0x00, size + 1);
133 if (memcpy_s(ch, size, data, size) != EOK) {
134 std::cout << "copy failed." << std::endl;
135 free(ch);
136 ch = nullptr;
137 return 0;
138 }
139
140 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
141 free(ch);
142 ch = nullptr;
143 return 0;
144 }
145
146