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 "applifecycledeal_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "app_lifecycle_deal.h"
22#include "ability_record.h"
23#include "message_parcel.h"
24#include "securec.h"
25
26using namespace OHOS::AAFwk;
27using namespace OHOS::AppExecFwk;
28
29namespace OHOS {
30namespace {
31constexpr int INPUT_ZERO = 0;
32constexpr int INPUT_ONE = 1;
33constexpr int INPUT_TWO = 2;
34constexpr int INPUT_THREE = 3;
35constexpr size_t FOO_MAX_LEN = 1024;
36constexpr size_t U32_AT_SIZE = 4;
37constexpr size_t OFFSET_ZERO = 24;
38constexpr size_t OFFSET_ONE = 16;
39constexpr size_t OFFSET_TWO = 8;
40}
41uint32_t GetU32Data(const char* ptr)
42{
43    // convert fuzz input data to an integer
44    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
45        ptr[INPUT_THREE];
46}
47sptr<Token> GetFuzzAbilityToken()
48{
49    sptr<Token> token = nullptr;
50
51    AbilityRequest abilityRequest;
52    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
53    abilityRequest.abilityInfo.name = "MainAbility";
54    abilityRequest.abilityInfo.type = AbilityType::PAGE;
55    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
56    if (abilityRecord) {
57        token = abilityRecord->GetToken();
58    }
59
60    return token;
61}
62bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
63{
64    AppLifeCycleDeal appLifeCycleDeal;
65    sptr<IAppScheduler> thread = nullptr;
66    appLifeCycleDeal.SetApplicationClient(thread);
67    std::shared_ptr<AbilityRunningRecord> ability = nullptr;
68    appLifeCycleDeal.LaunchAbility(ability);
69    AppLaunchData launchData;
70    Configuration config;
71    appLifeCycleDeal.LaunchApplication(launchData, config);
72    HapModuleInfo abilityStage;
73    appLifeCycleDeal.AddAbilityStage(abilityStage);
74    int32_t timeLevel = static_cast<int32_t>(GetU32Data(data));
75    appLifeCycleDeal.ScheduleTrimMemory(timeLevel);
76    int32_t level = static_cast<int32_t>(GetU32Data(data));
77    appLifeCycleDeal.ScheduleMemoryLevel(level);
78    sptr<IRemoteObject> token = GetFuzzAbilityToken();
79    appLifeCycleDeal.ScheduleCleanAbility(token);
80    Want want;
81    std::string bundleName(data, size);
82    appLifeCycleDeal.ScheduleAcceptWant(want, bundleName);
83    sptr<IQuickFixCallback> callback = nullptr;
84    int32_t recordId = 0;
85    appLifeCycleDeal.NotifyLoadRepairPatch(bundleName, callback, recordId);
86    appLifeCycleDeal.NotifyHotReloadPage(callback, recordId);
87    appLifeCycleDeal.NotifyUnLoadRepairPatch(bundleName, callback, recordId);
88    appLifeCycleDeal.GetApplicationClient();
89    appLifeCycleDeal.LowMemoryWarning();
90    appLifeCycleDeal.ScheduleForegroundRunning();
91    appLifeCycleDeal.ScheduleBackgroundRunning();
92    appLifeCycleDeal.ScheduleProcessSecurityExit();
93    appLifeCycleDeal.ScheduleTerminate();
94    return (appLifeCycleDeal.UpdateConfiguration(config) == 0);
95}
96}
97
98/* Fuzzer entry point */
99extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
100{
101    /* Run your code on data */
102    if (data == nullptr) {
103        std::cout << "invalid data" << std::endl;
104        return 0;
105    }
106
107    /* Validate the length of size */
108    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
109        return 0;
110    }
111
112    char* ch = (char*)malloc(size + 1);
113    if (ch == nullptr) {
114        std::cout << "malloc failed." << std::endl;
115        return 0;
116    }
117
118    (void)memset_s(ch, size + 1, 0x00, size + 1);
119    if (memcpy_s(ch, size, data, size) != EOK) {
120        std::cout << "copy failed." << std::endl;
121        free(ch);
122        ch = nullptr;
123        return 0;
124    }
125
126    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
127    free(ch);
128    ch = nullptr;
129    return 0;
130}
131