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 "formdatamgrthree_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "form_data_mgr.h"
24 #undef private
25 #undef protected
26 #include "securec.h"
27
28 using namespace OHOS::AppExecFwk;
29
30 namespace OHOS {
31 constexpr size_t U32_AT_SIZE = 4;
32 constexpr uint8_t ENABLE = 2;
GetU32Data(const char * ptr)33 uint32_t GetU32Data(const char* ptr)
34 {
35 // convert fuzz input data to an integer
36 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
37 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)38 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
39 {
40 FormDataMgr formDataMgr;
41 int64_t formId = static_cast<int64_t>(GetU32Data(data));
42 bool versionUpgrade = *data % ENABLE;
43 formDataMgr.SetVersionUpgrade(formId, versionUpgrade);
44 FormRecord formRecord;
45 formDataMgr.UpdateHostForm(formId, formRecord);
46 std::vector<int64_t> formIds;
47 formIds.emplace_back(formId);
48 bool flag = *data % ENABLE;
49 bool isOnlyEnableUpdate = *data % ENABLE;
50 FormHostRecord formHostRecord;
51 std::vector<int64_t> refreshForms;
52 refreshForms.emplace_back(formId);
53 formDataMgr.HandleUpdateHostFormFlag(formIds, flag, isOnlyEnableUpdate, formHostRecord, refreshForms);
54 sptr<IRemoteObject> callerToken = nullptr;
55 formDataMgr.UpdateHostFormFlag(formIds, callerToken, flag, isOnlyEnableUpdate, refreshForms);
56 formDataMgr.FindMatchedFormId(formId);
57 int uId = static_cast<int>(GetU32Data(data));
58 formDataMgr.ClearHostDataByUId(uId);
59 std::map<FormIdKey, std::set<int64_t>> noHostTempFormsMap;
60 std::string bundleName(data, size);
61 std::string abilityName(data, size);
62 FormIdKey formIdKey(bundleName, abilityName);
63 std::set<int64_t> aa;
64 aa.insert(formId);
65 noHostTempFormsMap.emplace(formIdKey, aa);
66 std::map<int64_t, bool> foundFormsMap;
67 foundFormsMap.emplace(formId, flag);
68 formDataMgr.GetNoHostTempForms(uId, noHostTempFormsMap, foundFormsMap);
69 FormItemInfo info;
70 formDataMgr.ParseUpdateConfig(formRecord, info);
71 int configDuration = static_cast<int>(GetU32Data(data));
72 formDataMgr.ParseIntervalConfig(formRecord, configDuration);
73 formDataMgr.ParseAtTimerConfig(formRecord, info);
74 formDataMgr.IsFormCached(formRecord);
75 std::string provider(data, size);
76 int callingUid = static_cast<int>(GetU32Data(data));
77 formDataMgr.CreateFormStateRecord(provider, info, callerToken, callingUid);
78 bool isVisible = *data % ENABLE;
79 formDataMgr.NotifyFormsVisible(formIds, isVisible, callerToken);
80 int64_t matchedFormId = static_cast<int64_t>(GetU32Data(data));
81 formDataMgr.SetRecordVisible(matchedFormId, isVisible);
82 return true;
83 }
84 }
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
88 {
89 /* Run your code on data */
90 if (data == nullptr) {
91 return 0;
92 }
93
94 if (size < OHOS::U32_AT_SIZE) {
95 return 0;
96 }
97
98 char* ch = reinterpret_cast<char *>(malloc(size + 1));
99 if (ch == nullptr) {
100 return 0;
101 }
102
103 (void)memset_s(ch, size + 1, 0x00, size + 1);
104 if (memcpy_s(ch, size + 1, data, size) != EOK) {
105 free(ch);
106 ch = nullptr;
107 return 0;
108 }
109
110 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
111 free(ch);
112 ch = nullptr;
113 return 0;
114 }
115
116