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 FOO_MAX_LEN = 1024;
36 constexpr size_t U32_AT_SIZE = 4;
37 constexpr int32_t UID_TEST = 100;
38 constexpr int OFFSET_ZERO = 24;
39 constexpr int OFFSET_ONE = 16;
40 constexpr int OFFSET_TWO = 8;
41 }
GetFuzzAbilityToken(AbilityType type)42 sptr<Token> GetFuzzAbilityToken(AbilityType type)
43 {
44 sptr<Token> token = nullptr;
45
46 AbilityRequest abilityRequest;
47 abilityRequest.uid = UID_TEST;
48 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
49 abilityRequest.abilityInfo.name = "MainAbility";
50 abilityRequest.abilityInfo.type = type;
51 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
52 if (abilityRecord) {
53 token = abilityRecord->GetToken();
54 }
55
56 return token;
57 }
GetU32Data(const char * ptr)58 uint32_t GetU32Data(const char* ptr)
59 {
60 // convert fuzz input data to an integer
61 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
62 ptr[INPUT_THREE];
63 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)64 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
65 {
66 auto abilitymgr = AbilityManagerClient::GetInstance();
67 int userId = static_cast<int>(GetU32Data(data));
68 auto connectManager = new AbilityConnectManager(userId);
69 auto dataManager = new DataAbilityManager();
70 int state = AbilityLifeCycleState::ABILITY_STATE_INITIAL;
71 PacMap saveData;
72 if (!abilitymgr) {
73 return false;
74 }
75
76 // get token
77 sptr<IRemoteObject> token = GetFuzzAbilityToken(AbilityType::PAGE);
78 if (!token) {
79 std::cout << "Get ability token failed." << std::endl;
80 return false;
81 }
82
83 // get serviceToken
84 sptr<IRemoteObject> serviceToken = GetFuzzAbilityToken(AbilityType::SERVICE);
85 if (!serviceToken) {
86 std::cout << "Get service ability token failed." << std::endl;
87 return false;
88 }
89
90 // get dataToken
91 sptr<IRemoteObject> dataToken = GetFuzzAbilityToken(AbilityType::DATA);
92 if (!dataToken) {
93 std::cout << "Get data ability token failed." << std::endl;
94 return false;
95 }
96
97 if (connectManager) {
98 connectManager->AbilityTransitionDone(serviceToken, state);
99 }
100
101 if (dataManager) {
102 dataManager->AbilityTransitionDone(dataToken, state);
103 }
104
105 if (abilitymgr->AbilityTransitionDone(token, state, saveData) != 0) {
106 return false;
107 }
108
109 return true;
110 }
111 }
112
113 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)114 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
115 {
116 /* Run your code on data */
117 if (data == nullptr) {
118 std::cout << "invalid data" << std::endl;
119 return 0;
120 }
121
122 /* Validate the length of size */
123 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
124 return 0;
125 }
126
127 char* ch = static_cast<char*>(malloc(size + 1));
128 if (ch == nullptr) {
129 std::cout << "malloc failed." << std::endl;
130 return 0;
131 }
132
133 (void)memset_s(ch, size + 1, 0x00, size + 1);
134 if (memcpy_s(ch, size, data, size) != EOK) {
135 std::cout << "copy failed." << std::endl;
136 free(ch);
137 ch = nullptr;
138 return 0;
139 }
140
141 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
142 free(ch);
143 ch = nullptr;
144 return 0;
145 }
146
147