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 "abilityappmgrrenderstatedata_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#include "page_state_data.h"
23#undef private
24
25#include "securec.h"
26#include "ability_record.h"
27
28using namespace OHOS::AAFwk;
29using namespace OHOS::AppExecFwk;
30
31namespace OHOS {
32namespace {
33constexpr int INPUT_ZERO = 0;
34constexpr int INPUT_ONE = 1;
35constexpr int INPUT_TWO = 2;
36constexpr int INPUT_THREE = 3;
37constexpr size_t FOO_MAX_LEN = 1024;
38constexpr size_t U32_AT_SIZE = 4;
39constexpr size_t OFFSET_ZERO = 24;
40constexpr size_t OFFSET_ONE = 16;
41constexpr size_t OFFSET_TWO = 8;
42constexpr uint8_t ENABLE = 2;
43}
44uint32_t GetU32Data(const char* ptr)
45{
46    // convert fuzz input data to an integer
47    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
48        ptr[INPUT_THREE];
49}
50
51sptr<Token> GetFuzzAbilityToken()
52{
53    sptr<Token> token = nullptr;
54    AbilityRequest abilityRequest;
55    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
56    abilityRequest.abilityInfo.name = "MainAbility";
57    abilityRequest.abilityInfo.type = AbilityType::DATA;
58    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
59    if (abilityRecord) {
60        token = abilityRecord->GetToken();
61    }
62    return token;
63}
64
65bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
66{
67    RunningMultiAppInfo info;
68    Parcel parcel;
69    info.Marshalling(parcel);
70    info.ReadFromParcel(parcel);
71    return true;
72}
73}
74
75/* Fuzzer entry point */
76extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77{
78    /* Run your code on data */
79    if (data == nullptr) {
80        std::cout << "invalid data" << std::endl;
81        return 0;
82    }
83
84    /* Validate the length of size */
85    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
86        return 0;
87    }
88
89    char* ch = (char*)malloc(size + 1);
90    if (ch == nullptr) {
91        std::cout << "malloc failed." << std::endl;
92        return 0;
93    }
94
95    (void)memset_s(ch, size + 1, 0x00, size + 1);
96    if (memcpy_s(ch, size + 1, data, size) != EOK) {
97        std::cout << "copy failed." << std::endl;
98        free(ch);
99        ch = nullptr;
100        return 0;
101    }
102
103    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
104    free(ch);
105    ch = nullptr;
106    return 0;
107}
108
109