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 #include "cloudsyncassetmanager_fuzzer.h"
16
17 #include <cstddef>
18 #include <cstdint>
19 #include <vector>
20
21 #include "cloud_fuzzer_helper.h"
22 #include "cloud_sync_asset_manager_impl.h"
23
24 namespace OHOS {
25 constexpr size_t U32_AT_SIZE = 4;
26 constexpr size_t BOOL_AT_SIZE = 1;
27 constexpr size_t SPLITE_SIZE = 6;
28 constexpr size_t NETWORK_ID_SIZE = 65;
29
30 using namespace OHOS::FileManagement::CloudSync;
31 using namespace std;
32
UploadAssetFuzzTest(FuzzData & fuzzData,size_t size)33 void UploadAssetFuzzTest(FuzzData &fuzzData, size_t size)
34 {
35 fuzzData.ResetData(size);
36 int32_t userId = fuzzData.GetData<int32_t>();
37 std::string request = fuzzData.GetStringFromData(static_cast<int>(size - U32_AT_SIZE));
38 std::string result;
39 CloudSyncAssetManager::GetInstance().UploadAsset(userId, request, result);
40 }
41
DownloadFileFuzzTest(FuzzData & fuzzData,size_t size)42 void DownloadFileFuzzTest(FuzzData &fuzzData, size_t size)
43 {
44 fuzzData.ResetData(size);
45 int32_t userId = fuzzData.GetData<int32_t>();
46 int len = static_cast<int>((size - U32_AT_SIZE) / SPLITE_SIZE);
47 if (len <= 0) {
48 return;
49 }
50 AssetInfo assetInfo = {
51 .uri = fuzzData.GetStringFromData(len),
52 .recordType = fuzzData.GetStringFromData(len),
53 .recordId = fuzzData.GetStringFromData(len),
54 .fieldKey = fuzzData.GetStringFromData(len),
55 .assetName = fuzzData.GetStringFromData(len),
56 };
57 std::string bundleName = fuzzData.GetStringFromData(len);
58 CloudSyncAssetManager::GetInstance().DownloadFile(userId, bundleName, assetInfo);
59 }
60
DownloadFilesFuzzTest(FuzzData & fuzzData,size_t size)61 void DownloadFilesFuzzTest(FuzzData &fuzzData, size_t size)
62 {
63 fuzzData.ResetData(size);
64 int32_t userId = fuzzData.GetData<int32_t>();
65 int32_t connectTime = fuzzData.GetData<int32_t>();
66 int len = static_cast<int>((size - U32_AT_SIZE) / SPLITE_SIZE);
67 if (len <= 0) {
68 return;
69 }
70 AssetInfo assetInfo = {
71 .uri = fuzzData.GetStringFromData(len),
72 .recordType = fuzzData.GetStringFromData(len),
73 .recordId = fuzzData.GetStringFromData(len),
74 .fieldKey = fuzzData.GetStringFromData(len),
75 .assetName = fuzzData.GetStringFromData(len),
76 };
77 vector<AssetInfo> assetInfos;
78 assetInfos.emplace_back(assetInfo);
79 std::string bundleName = fuzzData.GetStringFromData(len);
80 vector<bool> assetResultMap;
81 CloudSyncAssetManager::GetInstance().DownloadFiles(userId, bundleName, assetInfos, assetResultMap, connectTime);
82 }
83
DownloadFileCallbackFuzzTest(FuzzData & fuzzData,size_t size)84 void DownloadFileCallbackFuzzTest(FuzzData &fuzzData, size_t size)
85 {
86 fuzzData.ResetData(size);
87 int32_t userId = fuzzData.GetData<int32_t>();
88 std::string networkId = fuzzData.GetStringFromData(static_cast<int>(NETWORK_ID_SIZE));
89 auto remainSize = fuzzData.GetRemainSize();
90 int len = static_cast<int>(remainSize / SPLITE_SIZE);
91 if (len <= 0) {
92 return;
93 }
94 std::string bundleName = fuzzData.GetStringFromData(len);
95 AssetInfo assetInfo = {
96 .uri = fuzzData.GetStringFromData(len),
97 .recordType = fuzzData.GetStringFromData(len),
98 .recordId = fuzzData.GetStringFromData(len),
99 .fieldKey = fuzzData.GetStringFromData(len),
100 .assetName = fuzzData.GetStringFromData(len),
101 };
102 auto callback = [](const std::string &, int32_t) {};
103 CloudSyncAssetManager::GetInstance().DownloadFile(userId, bundleName, networkId, assetInfo, callback);
104 }
105
DeleteAssetFuzzTest(FuzzData & fuzzData,size_t size)106 void DeleteAssetFuzzTest(FuzzData &fuzzData, size_t size)
107 {
108 fuzzData.ResetData(size);
109 int32_t userId = fuzzData.GetData<int32_t>();
110 std::string uri = fuzzData.GetStringFromData(static_cast<int>(size - U32_AT_SIZE));
111 CloudSyncAssetManager::GetInstance().DeleteAsset(userId, uri);
112 }
113 } // namespace OHOS
114
115 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)116 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
117 {
118 /* Run your code on data */
119 if (data == nullptr ||
120 size <= (OHOS::U32_AT_SIZE + static_cast<size_t>(OHOS::NETWORK_ID_SIZE + OHOS::SPLITE_SIZE))) {
121 return 0;
122 }
123
124 OHOS::FuzzData fuzzData(data, size);
125 OHOS::UploadAssetFuzzTest(fuzzData, size);
126 OHOS::DownloadFileFuzzTest(fuzzData, size);
127 OHOS::DownloadFilesFuzzTest(fuzzData, size);
128 OHOS::DownloadFileCallbackFuzzTest(fuzzData, size);
129 OHOS::DeleteAssetFuzzTest(fuzzData, size);
130 return 0;
131 }
132