1/*
2 * Copyright (c) 2022 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 "abilitymanagerserviceninth_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#define protected public
23#include "ability_manager_service.h"
24#undef protected
25#undef private
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_TWO = 2;
35constexpr int INPUT_THREE = 3;
36constexpr size_t FOO_MAX_LEN = 1024;
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[INPUT_TWO] << OFFSET_TWO) |
47        ptr[INPUT_THREE];
48}
49
50bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
51{
52    int intParam = static_cast<int>(GetU32Data(data));
53    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
54
55    // fuzz for AbilityManagerService
56    auto abilityms = std::make_shared<AbilityManagerService>();
57    std::vector<AbilityRunningInfo> abilityRunningInfo;
58    abilityms->GetAbilityRunningInfos(abilityRunningInfo);
59    abilityms->UpdateFocusState(abilityRunningInfo);
60    std::vector<ExtensionRunningInfo> extensionRunningInfo;
61    abilityms->GetExtensionRunningInfos(intParam, extensionRunningInfo);
62    std::vector<AppExecFwk::RunningProcessInfo> runningProcessInfo;
63    abilityms->GetProcessRunningInfos(runningProcessInfo);
64    abilityms->GetProcessRunningInfosByUserId(runningProcessInfo, int32Param);
65
66    return true;
67}
68}
69
70/* Fuzzer entry point */
71extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
72{
73    /* Run your code on data */
74    if (data == nullptr) {
75        return 0;
76    }
77
78    /* Validate the length of size */
79    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
80        return 0;
81    }
82
83    char* ch = (char*)malloc(size + 1);
84    if (ch == nullptr) {
85        std::cout << "malloc failed." << std::endl;
86        return 0;
87    }
88
89    (void)memset_s(ch, size + 1, 0x00, size + 1);
90    if (memcpy_s(ch, size, data, size) != EOK) {
91        std::cout << "copy failed." << std::endl;
92        free(ch);
93        ch = nullptr;
94        return 0;
95    }
96
97    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
98    free(ch);
99    ch = nullptr;
100    return 0;
101}
102
103