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 "abilitymanagerservicee_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
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;
43}
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    int intParam = static_cast<int>(GetU32Data(data));
69    std::string stringParam(data, size);
70    sptr<IRemoteObject> token = GetFuzzAbilityToken();
71    std::vector<std::string> info;
72
73    // fuzz for AbilityManagerService
74    auto abilityms = std::make_shared<AbilityManagerService>();
75    abilityms->GetTopAbility();
76    std::vector<std::u16string> args;
77    abilityms->Dump(intParam, args);
78    abilityms->Dump(args, stringParam);
79    abilityms->ProcessMultiParam(info, stringParam);
80    abilityms->ShowHelp(stringParam);
81    abilityms->ShowIllegalInfomation(stringParam);
82    abilityms->DumpAbilityInfoDone(info, token);
83    abilityms->SetMissionLabel(token, stringParam);
84    std::shared_ptr<OHOS::Media::PixelMap> icon;
85    abilityms->SetMissionIcon(token, icon);
86    sptr<IWindowManagerServiceHandler> windowManagerServiceHandler;
87    abilityms->RegisterWindowManagerServiceHandler(windowManagerServiceHandler);
88
89    return true;
90}
91}
92
93/* Fuzzer entry point */
94extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
95{
96    /* Run your code on data */
97    if (data == nullptr) {
98        return 0;
99    }
100
101    /* Validate the length of size */
102    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
103        return 0;
104    }
105
106    char* ch = (char*)malloc(size + 1);
107    if (ch == nullptr) {
108        std::cout << "malloc failed." << std::endl;
109        return 0;
110    }
111
112    (void)memset_s(ch, size + 1, 0x00, size + 1);
113    if (memcpy_s(ch, size, data, size) != EOK) {
114        std::cout << "copy failed." << std::endl;
115        free(ch);
116        ch = nullptr;
117        return 0;
118    }
119
120    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
121    free(ch);
122    ch = nullptr;
123    return 0;
124}
125
126