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 "abilitymgrinsightintentexecuteresult_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#include "insight_intent_execute_result.h"
23#include "insight_intent_execute_param.h"
24#undef private
25
26#include "securec.h"
27#include "ability_record.h"
28
29using namespace OHOS::AAFwk;
30using namespace OHOS::AppExecFwk;
31
32namespace OHOS {
33namespace {
34constexpr int INPUT_ZERO = 0;
35constexpr int INPUT_ONE = 1;
36constexpr int INPUT_TWO = 2;
37constexpr int INPUT_THREE = 3;
38constexpr size_t FOO_MAX_LEN = 1024;
39constexpr size_t U32_AT_SIZE = 4;
40constexpr size_t OFFSET_ZERO = 24;
41constexpr size_t OFFSET_ONE = 16;
42constexpr size_t OFFSET_TWO = 8;
43constexpr uint8_t ENABLE = 2;
44}
45uint32_t GetU32Data(const char* ptr)
46{
47    // convert fuzz input data to an integer
48    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
49        ptr[INPUT_THREE];
50}
51
52sptr<Token> GetFuzzAbilityToken()
53{
54    sptr<Token> token = nullptr;
55    AbilityRequest abilityRequest;
56    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
57    abilityRequest.abilityInfo.name = "MainAbility";
58    abilityRequest.abilityInfo.type = AbilityType::DATA;
59    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
60    if (abilityRecord) {
61        token = abilityRecord->GetToken();
62    }
63    return token;
64}
65
66bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
67{
68    std::shared_ptr<InsightIntentExecuteResult> infos = std::make_shared<InsightIntentExecuteResult>();
69    Parcel parcel;
70    infos->ReadFromParcel(parcel);
71    infos->Marshalling(parcel);
72    std::shared_ptr<const WantParams> result;
73    infos->CheckResult(result);
74    return true;
75}
76}
77
78/* Fuzzer entry point */
79extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
80{
81    /* Run your code on data */
82    if (data == nullptr) {
83        std::cout << "invalid data" << std::endl;
84        return 0;
85    }
86
87    /* Validate the length of size */
88    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
89        return 0;
90    }
91
92    char* ch = (char*)malloc(size + 1);
93    if (ch == nullptr) {
94        std::cout << "malloc failed." << std::endl;
95        return 0;
96    }
97
98    (void)memset_s(ch, size + 1, 0x00, size + 1);
99    if (memcpy_s(ch, size + 1, data, size) != EOK) {
100        std::cout << "copy failed." << std::endl;
101        free(ch);
102        ch = nullptr;
103        return 0;
104    }
105
106    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
107    free(ch);
108    ch = nullptr;
109    return 0;
110}
111
112