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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 #define private public
17 #include "bundleresrdb_fuzzer.h"
18 
19 #include "bundle_resource_rdb.h"
20 #include "bundle_resource_register.h"
21 #include "securec.h"
22 
23 using namespace OHOS::AppExecFwk;
24 namespace OHOS {
25 constexpr size_t U32_AT_SIZE = 4;
26 constexpr uint32_t CODE_MAX = 8;
27 const int32_t USERID = 100;
28 const std::string MODULE_NAME = "entry";
29 const std::string ABILITY_NAME = "com.example.bmsaccesstoken1.MainAbility";
30 
DoSomethingInterestingWithMyAPI(const char * data,size_t size)31 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
32 {
33     BundleResourceRdb resourceRdb;
34     ResourceInfo resourceInfo;
35     std::string bundleName(data, size);
36     resourceInfo.bundleName_ = bundleName;
37     resourceRdb.AddResourceInfo(resourceInfo);
38     resourceRdb.DeleteResourceInfo(resourceInfo.GetKey());
39     std::vector<ResourceInfo> resourceInfos;
40     resourceInfos.push_back(resourceInfo);
41     resourceRdb.AddResourceInfos(resourceInfos);
42     resourceRdb.DeleteAllResourceInfo();
43     std::vector<std::string> keyNames;
44     resourceRdb.GetAllResourceName(keyNames);
45     int32_t appIndex = 1;
46     resourceRdb.GetResourceNameByBundleName(bundleName, appIndex, keyNames);
47     BundleResourceInfo info;
48     resourceRdb.GetBundleResourceInfo(resourceInfo.bundleName_,
49         static_cast<uint32_t>(ResourceFlag::GET_RESOURCE_INFO_WITH_LABEL), info);
50     std::vector<LauncherAbilityResourceInfo> launcherInfos;
51     resourceRdb.GetLauncherAbilityResourceInfo(resourceInfo.bundleName_,
52         static_cast<uint32_t>(ResourceFlag::GET_RESOURCE_INFO_WITH_LABEL), launcherInfos);
53     std::vector<BundleResourceInfo> infos;
54     resourceRdb.GetAllBundleResourceInfo(
55         static_cast<uint32_t>(ResourceFlag::GET_RESOURCE_INFO_WITH_LABEL), infos);
56     resourceRdb.GetAllLauncherAbilityResourceInfo(
57         static_cast<uint32_t>(ResourceFlag::GET_RESOURCE_INFO_WITH_LABEL), launcherInfos);
58     resourceRdb.UpdateResourceForSystemStateChanged(resourceInfos);
59     std::string systemState(data, size);
60     resourceRdb.GetCurrentSystemState(systemState);
61     resourceRdb.DeleteNotExistResourceInfo();
62     resourceRdb.ParseKey(resourceInfo.GetKey(), info);
63     LauncherAbilityResourceInfo launcherInfo;
64     resourceRdb.ParseKey(resourceInfo.GetKey(), launcherInfo);
65     resourceRdb.BackupRdb();
66     BundleResourceRegister::RegisterConfigurationObserver();
67     BundleResourceRegister::RegisterCommonEventSubscriber();
68     resourceInfo.ConvertFromBundleResourceInfo(info);
69     resourceInfo.ConvertFromLauncherAbilityResourceInfo(launcherInfo);
70     resourceInfo.InnerParseAppIndex(resourceInfo.GetKey());
71     return true;
72 }
73 }
74 
75 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)76 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
77 {
78     /* Run your code on data */
79     if (data == nullptr) {
80         return 0;
81     }
82 
83     if (size < OHOS::U32_AT_SIZE) {
84         return 0;
85     }
86 
87     char* ch = static_cast<char*>(malloc(size + 1));
88     if (ch == nullptr) {
89         return 0;
90     }
91 
92     (void)memset_s(ch, size + 1, 0x00, size + 1);
93     if (memcpy_s(ch, size, data, size) != EOK) {
94         free(ch);
95         ch = nullptr;
96         return 0;
97     }
98     OHOS::DoSomethingInterestingWithMyAPI(ch, size);
99     free(ch);
100     ch = nullptr;
101     return 0;
102 }