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 "abilityautostartupservicea_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#define protected public
23#include "ability_auto_startup_service.h"
24#undef protected
25#undef private
26
27#include "ability_record.h"
28
29using namespace OHOS::AAFwk;
30using namespace OHOS::AppExecFwk;
31using namespace OHOS::AbilityRuntime;
32
33namespace OHOS {
34namespace {
35constexpr int INPUT_ZERO = 0;
36constexpr int INPUT_ONE = 1;
37constexpr int INPUT_THREE = 3;
38constexpr size_t FOO_MAX_LEN = 1024;
39constexpr size_t U32_AT_SIZE = 4;
40constexpr uint8_t ENABLE = 2;
41constexpr size_t OFFSET_ZERO = 24;
42constexpr size_t OFFSET_ONE = 16;
43constexpr size_t OFFSET_TWO = 8;
44}
45
46uint32_t GetU32Data(const char* ptr)
47{
48    // convert fuzz input data to an integer
49    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
50        ptr[INPUT_THREE];
51}
52
53sptr<Token> GetFuzzAbilityToken()
54{
55    sptr<Token> token = nullptr;
56    AbilityRequest abilityRequest;
57    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
58    abilityRequest.abilityInfo.name = "MainAbility";
59    abilityRequest.abilityInfo.type = AbilityType::DATA;
60    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
61    if (abilityRecord) {
62        token = abilityRecord->GetToken();
63    }
64    return token;
65}
66
67void AbilityStartupServiceFuzztest(bool boolParam, std::string &stringParam, int32_t int32Param)
68{
69    std::shared_ptr<AbilityAutoStartupService> service = std::make_shared<AbilityAutoStartupService>();
70    sptr<IRemoteObject> token1 = GetFuzzAbilityToken();
71    service->RegisterAutoStartupSystemCallback(token1); // branch
72    service->RegisterAutoStartupSystemCallback(token1); // branch duplicate regist
73    service->UnregisterAutoStartupSystemCallback(token1); // branch
74    sptr<IRemoteObject> token2 = GetFuzzAbilityToken();
75    service->UnregisterAutoStartupSystemCallback(token2); // branch unregister not exist.
76
77    AutoStartupInfo info;
78    info.bundleName = "com.example.fuzzTest";
79    info.moduleName = "stringParam";
80    info.abilityName = "MainAbility";
81    info.appCloneIndex = int32Param;
82    info.accessTokenId = "accessTokenId";
83    info.userId = int32Param;
84    service->SetApplicationAutoStartup(info);
85    service->InnerSetApplicationAutoStartup(info);
86    service->CancelApplicationAutoStartup(info);
87
88    std::vector<AutoStartupInfo> vecs;
89    vecs.emplace_back(info);
90    service->QueryAllAutoStartupApplications(vecs, int32Param);
91    service->QueryAllAutoStartupApplicationsWithoutPermission(vecs, int32Param);
92    service->DeleteAutoStartupData(stringParam, int32Param);
93    service->CheckAutoStartupData(stringParam, int32Param);
94    service->ExecuteCallbacks(boolParam, info);
95}
96
97bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
98{
99    bool boolParam = *data % ENABLE;
100    std::string stringParam(data, size);
101    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
102    AbilityStartupServiceFuzztest(boolParam, stringParam, int32Param);
103    return true;
104}
105}
106
107/* Fuzzer entry point */
108extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
109{
110    /* Run your code on data */
111    if (data == nullptr) {
112        return 0;
113    }
114
115    /* Validate the length of size */
116    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
117        return 0;
118    }
119
120    char* ch = (char*)malloc(size + 1);
121    if (ch == nullptr) {
122        std::cout << "malloc failed." << std::endl;
123        return 0;
124    }
125
126    (void)memset_s(ch, size + 1, 0x00, size + 1);
127    if (memcpy_s(ch, size, data, size) != EOK) {
128        std::cout << "copy failed." << std::endl;
129        free(ch);
130        ch = nullptr;
131        return 0;
132    }
133
134    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
135    free(ch);
136    ch = nullptr;
137    return 0;
138}
139
140