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