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 "abilityautostartupclient_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#include "ability_auto_startup_client.h"
23#undef private
24
25#include "securec.h"
26
27using namespace OHOS::AAFwk;
28using namespace OHOS::AppExecFwk;
29
30namespace OHOS {
31namespace {
32constexpr int INPUT_ZERO = 0;
33constexpr int INPUT_ONE = 1;
34constexpr int INPUT_THREE = 3;
35constexpr size_t FOO_MAX_LEN = 1024;
36constexpr uint8_t ENABLE = 2;
37constexpr size_t U32_AT_SIZE = 4;
38constexpr size_t OFFSET_ZERO = 24;
39constexpr size_t OFFSET_ONE = 16;
40constexpr size_t OFFSET_TWO = 8;
41}
42
43uint32_t GetU32Data(const char* ptr)
44{
45    // convert fuzz input data to an integer
46    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
47        ptr[INPUT_THREE];
48}
49
50bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
51{
52    auto abilityAutoStartupClient = AbilityAutoStartupClient::GetInstance();
53    abilityAutoStartupClient->Connect();
54    AutoStartupInfo info;
55    bool boolParam = *data % ENABLE;
56    abilityAutoStartupClient->SetApplicationAutoStartupByEDM(info, boolParam);
57    abilityAutoStartupClient->CancelApplicationAutoStartupByEDM(info, boolParam);
58    std::vector<AutoStartupInfo> infoList;
59    abilityAutoStartupClient->QueryAllAutoStartupApplications(infoList);
60
61    auto abilityMgrDeathRecipient =
62        std::make_shared<AbilityAutoStartupClient::AbilityMgrDeathRecipient>();
63    wptr<IRemoteObject> remote;
64    abilityMgrDeathRecipient->OnRemoteDied(remote);
65
66    abilityAutoStartupClient->GetAbilityManager();
67    abilityAutoStartupClient->ResetProxy(remote);
68
69    return true;
70}
71}
72
73/* Fuzzer entry point */
74extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
75{
76    /* Run your code on data */
77    if (data == nullptr) {
78        std::cout << "invalid data" << std::endl;
79        return 0;
80    }
81
82    /* Validate the length of size */
83    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
84        return 0;
85    }
86
87    char* ch = (char*)malloc(size + 1);
88    if (ch == nullptr) {
89        std::cout << "malloc failed." << std::endl;
90        return 0;
91    }
92
93    (void)memset_s(ch, size + 1, 0x00, size + 1);
94    if (memcpy_s(ch, size + 1, data, size) != EOK) {
95        std::cout << "copy failed." << std::endl;
96        free(ch);
97        ch = nullptr;
98        return 0;
99    }
100
101    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
102    free(ch);
103    ch = nullptr;
104    return 0;
105}
106
107