1 /*
2 * Copyright (c) 2024 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 "accessibilityenableabilitylistsobserverstub_fuzzer.h"
17 #include "accessibility_enable_ability_lists_observer_stub.h"
18 #include "securec.h"
19
20 namespace OHOS {
21 namespace Accessibility {
22 namespace {
23 constexpr size_t DATA_MIN_SIZE = 200;
24 constexpr char END_CHAR = '\0';
25 constexpr size_t LEN = 10;
26 }
27
28 class EnableAbilityListsObserverTmplFuzzTest : public AccessibilityEnableAbilityListsObserverStub {
29 public:
30 EnableAbilityListsObserverTmplFuzzTest() = default;
31 ~EnableAbilityListsObserverTmplFuzzTest() = default;
32
OnAccessibilityEnableAbilityListsChanged()33 void OnAccessibilityEnableAbilityListsChanged() override {};
OnAccessibilityInstallAbilityListsChanged()34 void OnAccessibilityInstallAbilityListsChanged() override {};
35 };
36
37 template<class T>
GetObject(T & object,const uint8_t * data,size_t size)38 size_t GetObject(T &object, const uint8_t *data, size_t size)
39 {
40 size_t objectSize = sizeof(object);
41 if (objectSize > size) {
42 return 0;
43 }
44 return memcpy_s(&object, objectSize, data, objectSize) == EOK ? objectSize : 0;
45 }
46
OnRemoteRequestFuzzTest(const uint8_t * data,size_t size)47 bool OnRemoteRequestFuzzTest(const uint8_t* data, size_t size)
48 {
49 if (data == nullptr || size < DATA_MIN_SIZE) {
50 return false;
51 }
52
53 size_t position = 0;
54 uint32_t onCode = 0;
55 MessageParcel onData;
56 MessageParcel onReply;
57 MessageOption option(MessageOption::TF_SYNC);
58
59 GetObject<uint32_t>(onCode, &data[position], size - position);
60 EnableAbilityListsObserverTmplFuzzTest callBackImp;
61 onData.WriteInterfaceToken(EnableAbilityListsObserverTmplFuzzTest::GetDescriptor());
62 callBackImp.OnRemoteRequest(onCode, onData, onReply, option);
63 return true;
64 }
65 } // namespace Accessibility
66 } // namespace OHOS
67
68 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)69 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
70 {
71 /* Run your code on data */
72 OHOS::Accessibility::OnRemoteRequestFuzzTest(data, size);
73 return 0;
74 }