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 "registerconfigurationobserver_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "ability_record.h"
22#include "app_mgr_client.h"
23#include "configuration.h"
24#include "parcel.h"
25#include "securec.h"
26
27using namespace OHOS::AAFwk;
28using namespace OHOS::AppExecFwk;
29
30namespace OHOS {
31namespace {
32constexpr size_t FOO_MAX_LEN = 1024;
33constexpr size_t U32_AT_SIZE = 4;
34}
35
36bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
37{
38    std::shared_ptr<AppMgrClient> appMgrClient = std::make_shared<AppMgrClient>();
39    if (!appMgrClient) {
40        return false;
41    }
42
43    sptr<IConfigurationObserver> observer = nullptr;
44
45    if (appMgrClient->RegisterConfigurationObserver(observer) != 0) {
46        return false;
47    }
48
49    return true;
50}
51}
52
53/* Fuzzer entry point */
54extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
55{
56    /* Run your code on data */
57    if (data == nullptr) {
58        std::cout << "invalid data" << std::endl;
59        return 0;
60    }
61
62    /* Validate the length of size */
63    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
64        return 0;
65    }
66
67    char* ch = (char*)malloc(size + 1);
68    if (ch == nullptr) {
69        std::cout << "malloc failed." << std::endl;
70        return 0;
71    }
72
73    (void)memset_s(ch, size + 1, 0x00, size + 1);
74    if (memcpy_s(ch, size, data, size) != EOK) {
75        std::cout << "copy failed." << std::endl;
76        free(ch);
77        ch = nullptr;
78        return 0;
79    }
80
81    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
82    free(ch);
83    ch = nullptr;
84    return 0;
85}
86
87