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 "abilityautostartupdatamanagerb_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#define protected public
23#include "ability_auto_startup_data_manager.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
45const std::string jsonKey1 = "{\n\"bundleName\": \"com.example.fuzzTest\", \n\"moduleName\": \"module\",\
46    \n\"abilityName\": \"ability\", \n\"appCloneIndex\": -1, \n\"accessTokenId\": \"token\",\
47    \n\"userId\": 100 }";
48const std::string jsonValue1 = "{\n\"abilityTypeName\": \"typeName\"}";
49const std::string jsonValue1Illegal = "{\n\"abilityTypeName\": \"typeName\"";
50
51const std::string jsonKey2 = "{\n\"bundleName2\": \"com.example.fuzzTest2\"}";
52const std::string jsonValue2 = "{\n\"abilityTypeName2\": \"typeName\"}";
53const std::string jsonValue3 = "{\n\"abilityTypeName\": 1 }";
54}
55
56uint32_t GetU32Data(const char* ptr)
57{
58    // convert fuzz input data to an integer
59    return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
60        ptr[INPUT_THREE];
61}
62
63sptr<Token> GetFuzzAbilityToken()
64{
65    sptr<Token> token = nullptr;
66    AbilityRequest abilityRequest;
67    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
68    abilityRequest.abilityInfo.name = "MainAbility";
69    abilityRequest.abilityInfo.type = AbilityType::DATA;
70    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
71    if (abilityRecord) {
72        token = abilityRecord->GetToken();
73    }
74    return token;
75}
76
77void AbilityAutoStartupDataManagerFuzztest1(bool boolParam, std::string &stringParam, int32_t int32Param)
78{
79    std::shared_ptr<AbilityAutoStartupDataManager> dataMgr = std::make_shared<AbilityAutoStartupDataManager>();
80    AutoStartupInfo info;
81    info.bundleName = "com.example.fuzzTest";
82    info.moduleName = "stringParam";
83    info.abilityName = "MainAbility";
84    info.appCloneIndex = int32Param;
85    info.accessTokenId = "accessTokenId";
86    info.userId = int32Param;
87    dataMgr->ConvertAutoStartupDataToKey(info);
88
89    DistributedKv::Key key1(jsonKey1);
90    DistributedKv::Key key1Illegal(jsonValue1Illegal);
91    DistributedKv::Value value1(jsonValue1);
92    dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key1, value1);
93    dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key1Illegal, value1);
94
95    DistributedKv::Key key2(jsonKey2);
96    DistributedKv::Value value2(jsonValue2);
97    DistributedKv::Value value2Illegal(jsonValue1Illegal);
98    DistributedKv::Value value3(jsonValue3);
99    dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value2);
100    dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value2Illegal);
101    dataMgr->ConvertAutoStartupInfoFromKeyAndValue(key2, value3);
102
103    nlohmann::json jsonObject = nlohmann::json::parse(key1.ToString(), nullptr, false);
104    dataMgr->IsEqual(jsonObject, "abilityName", "ability", boolParam); // branch,return true
105    dataMgr->IsEqual(jsonObject, "abilityName", "NaN", boolParam); // branch,return true
106    dataMgr->IsEqual(jsonObject, "userId", "ability", boolParam); // branch
107    dataMgr->IsEqual(jsonObject, "NaN", "ability", boolParam); // branch
108
109    dataMgr->IsEqual(jsonObject, "userId", 100); // 100 means userid,branch
110    dataMgr->IsEqual(jsonObject, "userId", int32Param); // branch
111    dataMgr->IsEqual(jsonObject, "NaN", int32Param);
112    dataMgr->IsEqual(key1, info);
113    dataMgr->IsEqual(key2, info);
114    dataMgr->IsEqual(key1Illegal, info);
115
116    dataMgr->IsEqual(key1, "token");
117    dataMgr->IsEqual(key1, "NaN");
118    dataMgr->IsEqual(key1Illegal, "token");
119
120    dataMgr->IsEqual(key1, 100); // 100 means userid
121    dataMgr->IsEqual(key1, int32Param);
122    dataMgr->IsEqual(key1Illegal, 0);
123}
124
125bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
126{
127    bool boolParam = *data % ENABLE;
128    std::string stringParam(data, size);
129    int32_t int32Param = static_cast<int32_t>(GetU32Data(data));
130    AbilityAutoStartupDataManagerFuzztest1(boolParam, stringParam, int32Param);
131    return true;
132}
133}
134
135/* Fuzzer entry point */
136extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
137{
138    /* Run your code on data */
139    if (data == nullptr) {
140        return 0;
141    }
142
143    /* Validate the length of size */
144    if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
145        return 0;
146    }
147
148    char* ch = (char*)malloc(size + 1);
149    if (ch == nullptr) {
150        std::cout << "malloc failed." << std::endl;
151        return 0;
152    }
153
154    (void)memset_s(ch, size + 1, 0x00, size + 1);
155    if (memcpy_s(ch, size, data, size) != EOK) {
156        std::cout << "copy failed." << std::endl;
157        free(ch);
158        ch = nullptr;
159        return 0;
160    }
161
162    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
163    free(ch);
164    ch = nullptr;
165    return 0;
166}
167
168