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 "formtaskmgr_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "form_distributed_client.h"
24 #include "form_task_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;
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 FormTaskMgr formTaskMgr;
41 int64_t formId = static_cast<int64_t>(GetU32Data(data));
42 Want want;
43 sptr<IRemoteObject> remoteObject = nullptr;
44 formTaskMgr.PostAcquireTask(formId, want, remoteObject);
45 std::string remoteDeviceId(data, size);
46 formTaskMgr.PostShareAcquireTask(formId, remoteDeviceId, want, remoteObject);
47 formTaskMgr.PostDeleteTask(formId, want, remoteObject);
48 formTaskMgr.PostRefreshTask(formId, want, remoteObject);
49 formTaskMgr.PostCastTempTask(formId, want, remoteObject);
50 FormRecord record;
51 formTaskMgr.PostAcquireTaskToHost(formId, record, remoteObject);
52 formTaskMgr.PostUpdateTaskToHost(formId, record, remoteObject);
53 sptr<IRemoteObject> remoteHost = nullptr;
54 formTaskMgr.PostHostDiedTask(remoteHost);
55 std::vector<int64_t> formEvent;
56 formEvent.emplace_back(formId);
57 int32_t formVisibleType = static_cast<int32_t>(GetU32Data(data));
58 formTaskMgr.PostEventNotifyTask(formEvent, formVisibleType, want, remoteObject);
59 std::set<int64_t> formIds;
60 formIds.insert(formId);
61 formTaskMgr.PostProviderBatchDeleteTask(formIds, want, remoteObject);
62 std::string message(data, size);
63 formTaskMgr.PostFormEventTask(formId, message, want, remoteObject);
64 Want wantArg;
65 std::string provider(data, size);
66 formTaskMgr.PostAcquireStateTask(wantArg, provider, want, remoteObject);
67 std::vector<int64_t> formIdes;
68 formIdes.emplace_back(formId);
69 formTaskMgr.PostUninstallTaskToHost(formIdes, remoteObject);
70 AppExecFwk::FormState state = AppExecFwk::FormState::UNKNOWN;
71 AAFwk::Want wants;
72 formTaskMgr.PostAcquireStateTaskToHost(state, wants, remoteObject);
73 int64_t formShareRequestCode = static_cast<int64_t>(GetU32Data(data));
74 int32_t result = static_cast<int32_t>(GetU32Data(data));
75 formTaskMgr.PostFormShareSendResponse(formShareRequestCode, result);
76 formTaskMgr.AcquireProviderFormInfo(formId, want, remoteObject);
77 formTaskMgr.AcquireShareFormData(formId, remoteDeviceId, want, remoteObject);
78 formTaskMgr.NotifyFormDelete(formId, want, remoteObject);
79 formTaskMgr.NotifyFormUpdate(formId, want, remoteObject);
80 formTaskMgr.EventNotify(formEvent, formVisibleType, want, remoteObject);
81 formTaskMgr.NotifyCastTemp(formId, want, remoteObject);
82 formTaskMgr.AcquireTaskToHost(formId, record, remoteObject);
83 formTaskMgr.UpdateTaskToHost(formId, record, remoteObject);
84 formTaskMgr.HostDied(remoteObject);
85 formTaskMgr.ProviderBatchDelete(formIds, want, remoteObject);
86 formTaskMgr.FireFormEvent(formId, message, want, remoteObject);
87 formTaskMgr.AcquireState(wantArg, provider, want, remoteObject);
88 formTaskMgr.FormUninstall(formIdes, remoteObject);
89 formTaskMgr.AcquireStateBack(state, wants, remoteObject);
90 formTaskMgr.FormShareSendResponse(formShareRequestCode, result);
91 FormDistributedClient formDistributedClient;
92 formDistributedClient.GetDmsServiceProxy();
93 sptr<IRemoteObject> dmsProxy = nullptr;
94 formDistributedClient.SetDmsProxy(dmsProxy);
95 FormShareInfo formShareInfo;
96 return formDistributedClient.ShareForm(remoteDeviceId, formShareInfo);
97 }
98 }
99
100 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)101 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
102 {
103 /* Run your code on data */
104 if (data == nullptr) {
105 return 0;
106 }
107
108 if (size < OHOS::U32_AT_SIZE) {
109 return 0;
110 }
111
112 char* ch = static_cast<char*>(malloc(size + 1));
113 if (ch == nullptr) {
114 return 0;
115 }
116
117 (void)memset_s(ch, size + 1, 0x00, size + 1);
118 if (memcpy_s(ch, size + 1, data, size) != EOK) {
119 free(ch);
120 ch = nullptr;
121 return 0;
122 }
123
124 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
125 free(ch);
126 ch = nullptr;
127 return 0;
128 }
129
130