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 "abilityrunningrecord_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "ability_running_record.h"
22 #include "ability_record.h"
23 #include "parcel.h"
24 #include "securec.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_THREE = 3;
34 constexpr size_t FOO_MAX_LEN = 1024;
35 constexpr size_t U32_AT_SIZE = 4;
36 constexpr uint8_t ENABLE = 2;
37 constexpr size_t OFFSET_ZERO = 24;
38 constexpr size_t OFFSET_ONE = 16;
39 constexpr size_t OFFSET_TWO = 8;
40 }
GetU32Data(const char * ptr)41 uint32_t GetU32Data(const char* ptr)
42 {
43 // convert fuzz input data to an integer
44 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
45 ptr[INPUT_THREE];
46 }
GetFuzzAbilityToken()47 sptr<Token> GetFuzzAbilityToken()
48 {
49 sptr<Token> token = nullptr;
50
51 AbilityRequest abilityRequest;
52 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
53 abilityRequest.abilityInfo.name = "MainAbility";
54 abilityRequest.abilityInfo.type = AbilityType::PAGE;
55 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
56 if (abilityRecord) {
57 token = abilityRecord->GetToken();
58 }
59
60 return token;
61 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)62 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
63 {
64 std::shared_ptr<AbilityInfo> info;
65 sptr<IRemoteObject> token = GetFuzzAbilityToken();
66 int32_t abilityRecordId = static_cast<int32_t>(GetU32Data(data));
67 AbilityRunningRecord abilityRecord(info, token, abilityRecordId);
68 Parcel wantParcel;
69 std::shared_ptr<Want> want = nullptr;
70 abilityRecord.SetWant(want);
71 AppExecFwk::AbilityState state = AppExecFwk::AbilityState::ABILITY_STATE_READY;
72 abilityRecord.SetState(state);
73 sptr<IRemoteObject> pretoken = GetFuzzAbilityToken();
74 abilityRecord.SetPreToken(pretoken);
75 int32_t visibility = static_cast<int32_t>(GetU32Data(data));
76 abilityRecord.SetVisibility(visibility);
77 int32_t perceptibility = static_cast<int32_t>(GetU32Data(data));
78 abilityRecord.SetPerceptibility(perceptibility);
79 int32_t connectionState = static_cast<int32_t>(GetU32Data(data));
80 abilityRecord.SetConnectionState(connectionState);
81 int64_t eventId = static_cast<int64_t>(GetU32Data(data));
82 abilityRecord.SetEventId(eventId);
83 int32_t ownerUserId = static_cast<int64_t>(GetU32Data(data));
84 abilityRecord.SetOwnerUserId(ownerUserId);
85 bool flag = *data % ENABLE;
86 abilityRecord.SetIsSingleUser(flag);
87 bool isFocus = *data % ENABLE;
88 abilityRecord.UpdateFocusState(isFocus);
89 abilityRecord.GetName();
90 abilityRecord.GetAbilityInfo();
91 abilityRecord.GetWant();
92 abilityRecord.GetToken();
93 abilityRecord.GetState();
94 abilityRecord.GetLastLaunchTime();
95 abilityRecord.GetPreToken();
96 abilityRecord.GetVisibility();
97 abilityRecord.GetPerceptibility();
98 abilityRecord.GetConnectionState();
99 abilityRecord.GetEventId();
100 abilityRecord.SetTerminating();
101 abilityRecord.IsTerminating();
102 abilityRecord.GetOwnerUserId();
103 abilityRecord.IsSingleUser();
104 abilityRecord.GetFocusFlag();
105 return abilityRecord.IsSameState(state);
106 }
107 }
108
109 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)110 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
111 {
112 /* Run your code on data */
113 if (data == nullptr) {
114 std::cout << "invalid data" << std::endl;
115 return 0;
116 }
117
118 /* Validate the length of size */
119 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
120 return 0;
121 }
122
123 char* ch = static_cast<char*>(malloc(size + 1));
124 if (ch == nullptr) {
125 std::cout << "malloc failed." << std::endl;
126 return 0;
127 }
128
129 (void)memset_s(ch, size + 1, 0x00, size + 1);
130 if (memcpy_s(ch, size, data, size) != EOK) {
131 std::cout << "copy failed." << std::endl;
132 free(ch);
133 ch = nullptr;
134 return 0;
135 }
136
137 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
138 free(ch);
139 ch = nullptr;
140 return 0;
141 }
142
143