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 "formprovidermgr_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "form_item_info.h"
22 #define private public
23 #define protected public
24 #include "form_provider_mgr.h"
25 #undef private
26 #undef protected
27 #include "securec.h"
28
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 constexpr size_t U32_AT_SIZE = 4;
33 constexpr uint8_t ENABLE = 2;
GetU32Data(const char * ptr)34 uint32_t GetU32Data(const char* ptr)
35 {
36 // convert fuzz input data to an integer
37 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
38 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)39 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
40 {
41 FormItemInfo formItemInfo;
42 bool isFormVisibleNotify = *data % ENABLE;
43 formItemInfo.SetFormVisibleNotify(isFormVisibleNotify);
44 std::string formSrc(data, size);
45 formItemInfo.SetFormSrc(formSrc);
46 formItemInfo.GetFormSrc();
47 FormWindow formWindow;
48 formItemInfo.SetFormWindow(formWindow);
49 formItemInfo.GetFormWindow();
50 uint32_t versionCode = static_cast<uint32_t>(GetU32Data(data));
51 formItemInfo.SetVersionCode(versionCode);
52 formItemInfo.GetVersionCode();
53 std::string versionName(data, size);
54 formItemInfo.SetVersionName(versionName);
55 formItemInfo.GetVersionName();
56 uint32_t compatibleVersion = static_cast<uint32_t>(GetU32Data(data));
57 formItemInfo.SetCompatibleVersion(compatibleVersion);
58 formItemInfo.GetCompatibleVersion();
59 formItemInfo.GetIcon();
60 std::string deviceId(data, size);
61 formItemInfo.SetDeviceId(deviceId);
62 formItemInfo.GetDeviceId();
63 FormType type = FormType::JS;
64 formItemInfo.SetType(type);
65 formItemInfo.GetType();
66 FormProviderMgr formProviderMgr;
67 int64_t formId = static_cast<int64_t>(GetU32Data(data));
68 FormProviderInfo formProviderInfo;
69 formProviderMgr.AcquireForm(formId, formProviderInfo);
70 Want want;
71 bool isVisibleToFresh = *data % ENABLE;
72 formProviderMgr.RefreshForm(formId, want, isVisibleToFresh);
73 FormRecord record;
74 bool isTimerRefresh = *data % ENABLE;
75 formProviderMgr.ConnectAmsForRefresh(formId, record, want, isTimerRefresh);
76 formProviderMgr.NotifyProviderFormDelete(formId, record);
77 std::string bundleName(data, size);
78 std::string abilityName(data, size);
79 std::set<int64_t> formIds;
80 formIds.insert(formId);
81 formProviderMgr.NotifyProviderFormsBatchDelete(bundleName, abilityName, formIds);
82 formProviderMgr.UpdateForm(formId, formProviderInfo);
83 FormProviderData formProviderData;
84 formProviderMgr.UpdateForm(formId, record, formProviderData);
85 formProviderMgr.MessageEvent(formId, record, want);
86 formProviderMgr.IncreaseTimerRefreshCount(formId);
87 AppExecFwk::FormState state = AppExecFwk::FormState::UNKNOWN;
88 std::string provider(data, size);
89 Want wantArg;
90 formProviderMgr.AcquireFormStateBack(state, provider, wantArg);
91 formProviderMgr.IsNeedToFresh(record, formId, isVisibleToFresh);
92 formProviderMgr.GetFormAbilityInfo(record);
93 formProviderMgr.IsFormCached(record);
94 sptr<AAFwk::IAbilityConnection> formRefreshConnection = nullptr;
95 return formProviderMgr.RebindByFreeInstall(record, want, formRefreshConnection);
96 }
97 }
98
99 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)100 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
101 {
102 /* Run your code on data */
103 if (data == nullptr) {
104 return 0;
105 }
106
107 if (size < OHOS::U32_AT_SIZE) {
108 return 0;
109 }
110
111 char* ch = static_cast<char*>(malloc(size + 1));
112 if (ch == nullptr) {
113 return 0;
114 }
115
116 (void)memset_s(ch, size + 1, 0x00, size + 1);
117 if (memcpy_s(ch, size + 1, data, size) != EOK) {
118 free(ch);
119 ch = nullptr;
120 return 0;
121 }
122
123 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
124 free(ch);
125 ch = nullptr;
126 return 0;
127 }
128
129