1 /*
2 * Copyright (c) 2025 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 "abilitystartwithwaitobserverproxy_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #define private public
23 #define protected public
24 #include "ability_start_with_wait_observer_proxy.h"
25 #undef protected
26 #undef private
27 #include "securec.h"
28 #include "ability_record.h"
29
30 using namespace OHOS::AAFwk;
31 using namespace OHOS::AppExecFwk;
32
33 namespace OHOS {
34 namespace {
35 constexpr int INPUT_ZERO = 0;
36 constexpr int INPUT_ONE = 1;
37 constexpr int INPUT_TWO = 2;
38 constexpr int INPUT_THREE = 3;
39 constexpr size_t U32_AT_SIZE = 4;
40 constexpr size_t OFFSET_ZERO = 24;
41 constexpr size_t OFFSET_ONE = 16;
42 constexpr size_t OFFSET_TWO = 8;
43 constexpr uint8_t ENABLE = 2;
44 constexpr size_t STRING_MAX_LENGTH = 128;
45 }
GetU32Data(const char * ptr)46 uint32_t GetU32Data(const char* ptr)
47 {
48 // convert fuzz input data to an integer
49 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
50 ptr[INPUT_THREE];
51 }
52
GetFuzzAbilityToken()53 sptr<Token> GetFuzzAbilityToken()
54 {
55 sptr<Token> token = nullptr;
56 AbilityRequest abilityRequest;
57 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
58 abilityRequest.abilityInfo.name = "MainAbility";
59 abilityRequest.abilityInfo.type = AbilityType::DATA;
60 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
61 if (abilityRecord) {
62 token = abilityRecord->GetToken();
63 }
64 return token;
65 }
66
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)67 bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
68 {
69 sptr<IRemoteObject> impl;
70 std::shared_ptr<AbilityStartWithWaitObserverProxy> infos =
71 std::make_shared<AbilityStartWithWaitObserverProxy>(impl);
72 if (infos == nullptr) {
73 return false;
74 }
75 MessageParcel parcel;
76 FuzzedDataProvider fdp(data, size);
77 parcel.WriteString(fdp.ConsumeRandomLengthString(STRING_MAX_LENGTH));
78 parcel.WriteInt32(fdp.ConsumeIntegral<int32_t>());
79 infos->WriteInterfaceToken(parcel);
80 AbilityStartWithWaitObserverData abilityStartWithWaitObserverData;
81 infos->NotifyAATerminateWait(abilityStartWithWaitObserverData);
82 return true;
83 }
84 }
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
88 {
89 // Run your code on data.
90 OHOS::DoSomethingInterestingWithMyAPI(data, size);
91 return 0;
92 }