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 "hookmgradd_fuzzer.h"
17#include <string>
18#include "hookmgr.h"
19
20static int TestHook(const HOOK_INFO *hookInfo, void *executionContext)
21{
22    printf("Test HookMgrAdd\n");
23    return 0;
24}
25
26namespace OHOS {
27    bool FuzzHookMgrAdd(const uint8_t* data, size_t size)
28    {
29        if ((data == nullptr) || (size <= sizeof(int))) {
30            return false;
31        }
32        bool result = false;
33        int offset = 0;
34        int stage = *data;
35        offset += sizeof(int);
36        int prio = *(data + offset);
37
38        if (!HookMgrAdd(NULL, stage, prio, TestHook)) {
39            result = true;
40        }
41        return result;
42    }
43}
44
45/* Fuzzer entry point */
46extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
47{
48    /* Run your code on data */
49    OHOS::FuzzHookMgrAdd(data, size);
50    return 0;
51}