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 "formmgradapterone_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "form_mgr_adapter.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;
GetU32Data(const char * ptr)32 uint32_t GetU32Data(const char* ptr)
33 {
34 // convert fuzz input data to an integer
35 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
36 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)37 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
38 {
39 FormMgrAdapter formMgrAdapter;
40 FormItemInfo info;
41 sptr<IRemoteObject> callerToken = nullptr;
42 FormRecord record;
43 int64_t formId = static_cast<int64_t>(GetU32Data(data));
44 WantParams wantParams;
45 FormJsInfo formInfo;
46 formMgrAdapter.AddExistFormRecord(info, callerToken, record, formId, wantParams, formInfo);
47 formMgrAdapter.AllotFormByInfo(info, callerToken, wantParams, formInfo);
48 formMgrAdapter.AddNewFormRecord(info, formId, callerToken, wantParams, formInfo);
49 formMgrAdapter.AddFormTimer(record);
50 std::string providerKey(data, size);
51 std::vector<int64_t> formIdsByProvider;
52 formIdsByProvider.emplace_back(formId);
53 int32_t formVisibleType = static_cast<int32_t>(GetU32Data(data));
54 formMgrAdapter.HandleEventNotify(providerKey, formIdsByProvider, formVisibleType);
55 formMgrAdapter.AcquireProviderFormInfoAsync(formId, info, wantParams);
56 AAFwk::Want want;
57 BundleInfo bundleInfo;
58 std::string packageName(data, size);
59 formMgrAdapter.GetBundleInfo(want, bundleInfo, packageName);
60 FormInfo formInfos;
61 formMgrAdapter.GetFormInfo(want, formInfos);
62 formMgrAdapter.GetFormItemInfo(want, bundleInfo, formInfos, info);
63 int dimensionId = static_cast<int>(GetU32Data(data));
64 formMgrAdapter.IsDimensionValid(formInfos, dimensionId);
65 formMgrAdapter.CreateFormItemInfo(bundleInfo, formInfos, info, want);
66 Want wants;
67 formMgrAdapter.CheckPublishForm(wants);
68 formMgrAdapter.QueryPublishFormToHost(wants);
69 return true;
70 }
71 }
72
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
75 {
76 /* Run your code on data */
77 if (data == nullptr) {
78 return 0;
79 }
80
81 if (size < OHOS::U32_AT_SIZE) {
82 return 0;
83 }
84
85 char* ch = static_cast<char*>(malloc(size + 1));
86 if (ch == nullptr) {
87 return 0;
88 }
89
90 (void)memset_s(ch, size + 1, 0x00, size + 1);
91 if (memcpy_s(ch, size + 1, data, size) != EOK) {
92 free(ch);
93 ch = nullptr;
94 return 0;
95 }
96
97 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
98 free(ch);
99 ch = nullptr;
100 return 0;
101 }
102
103