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 "updateabilitystate_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "ability_record.h"
22#include "app_mgr_client.h"
23#include "parcel.h"
24#include "securec.h"
25
26using namespace OHOS::AAFwk;
27using namespace OHOS::AppExecFwk;
28
29namespace OHOS {
30namespace {
31constexpr size_t FOO_MAX_LEN = 1024;
32constexpr size_t U32_AT_SIZE = 4;
33}
34
35sptr<Token> GetFuzzAbilityToken()
36{
37    sptr<Token> token = nullptr;
38    AbilityRequest abilityRequest;
39    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
40    abilityRequest.abilityInfo.name = "MainAbility";
41    abilityRequest.abilityInfo.type = AbilityType::DATA;
42    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
43    if (abilityRecord) {
44        token = abilityRecord->GetToken();
45    }
46    return token;
47}
48
49bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50{
51    AppMgrClient* appMgrClient = new AppMgrClient();
52    if (!appMgrClient) {
53        return false;
54    }
55
56    sptr<IRemoteObject> token = GetFuzzAbilityToken();
57    if (!token) {
58        std::cout << "Get ability token failed." << std::endl;
59        return false;
60    }
61    AppExecFwk::AbilityState state = AppExecFwk::AbilityState::ABILITY_STATE_CREATE;
62
63    if (appMgrClient->UpdateAbilityState(token, state) != AppMgrResultCode::RESULT_OK) {
64        return false;
65    }
66    if (appMgrClient) {
67        delete appMgrClient;
68        appMgrClient = nullptr;
69    }
70
71    return true;
72}
73}
74
75/* Fuzzer entry point */
76extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77{
78    /* Run your code on data */
79    if (data == nullptr) {
80        std::cout << "invalid data" << std::endl;
81        return 0;
82    }
83
84    /* Validate the length of size */
85    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
86        return 0;
87    }
88
89    char* ch = (char*)malloc(size + 1);
90    if (ch == nullptr) {
91        std::cout << "malloc failed." << std::endl;
92        return 0;
93    }
94
95    (void)memset_s(ch, size + 1, 0x00, size + 1);
96    if (memcpy_s(ch, size + 1, data, size) != EOK) {
97        std::cout << "copy failed." << std::endl;
98        free(ch);
99        ch = nullptr;
100        return 0;
101    }
102
103    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
104    free(ch);
105    ch = nullptr;
106    return 0;
107}