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 "dialogsessioninfo_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "dialog_session_info.h"
22
23#include "ability_record.h"
24
25using namespace OHOS::AAFwk;
26using namespace OHOS::AppExecFwk;
27
28namespace OHOS {
29namespace {
30constexpr int INPUT_ZERO = 0;
31constexpr int INPUT_ONE = 1;
32constexpr int INPUT_TWO = 2;
33constexpr int INPUT_THREE = 3;
34constexpr size_t FOO_MAX_LEN = 1024;
35constexpr size_t U32_AT_SIZE = 4;
36constexpr size_t OFFSET_ZERO = 24;
37constexpr size_t OFFSET_ONE = 16;
38constexpr size_t OFFSET_TWO = 8;
39constexpr uint8_t ENABLE = 2;
40} // namespace
41
42uint32_t GetU32Data(const char* ptr)
43{
44    // convert fuzz input data to an integer
45    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
46        ptr[INPUT_THREE];
47}
48
49bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
50{
51    Parcel parcel;
52    auto dialogSessionInfo = std::make_shared<DialogSessionInfo>();
53    dialogSessionInfo->ReadFromParcel(parcel);
54    dialogSessionInfo->Marshalling(parcel);
55    DialogSessionInfo::Unmarshalling(parcel);
56
57    std::string str(data, size);
58    auto dialogAbilityInfo = std::make_shared<DialogAbilityInfo>();
59    dialogAbilityInfo->GetURI();
60
61    return true;
62}
63} // namespace OHOS
64
65/* Fuzzer entry point */
66extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
67{
68    /* Run your code on data */
69    if (data == nullptr) {
70        std::cout << "invalid data" << std::endl;
71        return 0;
72    }
73
74    /* Validate the length of size */
75    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
76        return 0;
77    }
78
79    char *ch = (char *)malloc(size + 1);
80    if (ch == nullptr) {
81        std::cout << "malloc failed." << std::endl;
82        return 0;
83    }
84
85    (void)memset_s(ch, size + 1, 0x00, size + 1);
86    if (memcpy_s(ch, size + 1, data, size) != EOK) {
87        std::cout << "copy failed." << std::endl;
88        free(ch);
89        ch = nullptr;
90        return 0;
91    }
92
93    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
94    free(ch);
95    ch = nullptr;
96    return 0;
97}