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 "authorize_fuzzer.h"
17
18 #include "securec.h"
19 #include "input_manager.h"
20 #include "mmi_log.h"
21
22 #undef MMI_LOG_TAG
23 #define MMI_LOG_TAG "AuthorizeFuzzTest"
24
25 namespace OHOS {
26 namespace MMI {
27
28 template <class T>
GetObject(const uint8_t * data,size_t size,T & object)29 size_t GetObject(const uint8_t *data, size_t size, T &object)
30 {
31 size_t objectSize = sizeof(T);
32 if (objectSize > size) {
33 return 0;
34 }
35 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
36 return (ret == EOK) ? objectSize : 0;
37 }
38
AuthorizeFuzzTest(const uint8_t * data,size_t size)39 void AuthorizeFuzzTest(const uint8_t *data, size_t size)
40 {
41 if (data == nullptr || size < sizeof(int32_t)) {
42 return;
43 }
44 size_t startPos = 0;
45 int32_t random = 0;
46 startPos += GetObject(data + startPos, size - startPos, random);
47 bool isAuthorize = (random % 2 == 0);
48 InputManager::GetInstance()->Authorize(isAuthorize);
49 MMI_HILOGD("Authorize called with isAuthorize = %{public}d", isAuthorize);
50
51 int32_t status = -1;
52 int32_t retQuery = InputManager::GetInstance()->QueryAuthorizedStatus(status);
53 if (retQuery == 0) {
54 MMI_HILOGD("QueryAuthorizedStatus success, status = %{public}d", status);
55 } else {
56 MMI_HILOGD("QueryAuthorizedStatus failed, ret = %{public}d", retQuery);
57 }
58 }
59
60 } // namespace MMI
61 } // namespace OHOS
62
63 // Fuzz entry point
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)64 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
65 {
66 OHOS::MMI::AuthorizeFuzzTest(data, size);
67 return 0;
68 }