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 FOO_MAX_LEN = 1024;
33 constexpr size_t U32_AT_SIZE = 4;
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 FormTaskMgr formTaskMgr;
42 int64_t formId = static_cast<int64_t>(GetU32Data(data));
43 Want want;
44 sptr<IRemoteObject> remoteObject = nullptr;
45 formTaskMgr.PostAcquireTask(formId, want, remoteObject);
46 std::string remoteDeviceId(data, size);
47 formTaskMgr.PostShareAcquireTask(formId, remoteDeviceId, want, remoteObject);
48 formTaskMgr.PostDeleteTask(formId, want, remoteObject);
49 formTaskMgr.PostRefreshTask(formId, want, remoteObject);
50 formTaskMgr.PostCastTempTask(formId, want, remoteObject);
51 FormRecord record;
52 formTaskMgr.PostAcquireTaskToHost(formId, record, remoteObject);
53 formTaskMgr.PostUpdateTaskToHost(formId, record, remoteObject);
54 sptr<IRemoteObject> remoteHost = nullptr;
55 formTaskMgr.PostHostDiedTask(remoteHost);
56 std::vector<int64_t> formEvent;
57 formEvent.emplace_back(formId);
58 int32_t formVisibleType = static_cast<int32_t>(GetU32Data(data));
59 formTaskMgr.PostEventNotifyTask(formEvent, formVisibleType, want, remoteObject);
60 std::set<int64_t> formIds;
61 formIds.insert(formId);
62 formTaskMgr.PostProviderBatchDeleteTask(formIds, want, remoteObject);
63 std::string message(data, size);
64 formTaskMgr.PostFormEventTask(formId, message, want, remoteObject);
65 Want wantArg;
66 std::string provider(data, size);
67 formTaskMgr.PostAcquireStateTask(wantArg, provider, want, remoteObject);
68 std::vector<int64_t> formIdes;
69 formIdes.emplace_back(formId);
70 formTaskMgr.PostUninstallTaskToHost(formIdes, remoteObject);
71 AppExecFwk::FormState state = AppExecFwk::FormState::UNKNOWN;
72 AAFwk::Want wants;
73 formTaskMgr.PostAcquireStateTaskToHost(state, wants, remoteObject);
74 int64_t formShareRequestCode = static_cast<int64_t>(GetU32Data(data));
75 int32_t result = static_cast<int32_t>(GetU32Data(data));
76 formTaskMgr.PostFormShareSendResponse(formShareRequestCode, result);
77 formTaskMgr.AcquireProviderFormInfo(formId, want, remoteObject);
78 formTaskMgr.AcquireShareFormData(formId, remoteDeviceId, want, remoteObject);
79 formTaskMgr.NotifyFormDelete(formId, want, remoteObject);
80 formTaskMgr.NotifyFormUpdate(formId, want, remoteObject);
81 formTaskMgr.EventNotify(formEvent, formVisibleType, want, remoteObject);
82 formTaskMgr.NotifyCastTemp(formId, want, remoteObject);
83 formTaskMgr.AcquireTaskToHost(formId, record, remoteObject);
84 formTaskMgr.UpdateTaskToHost(formId, record, remoteObject);
85 formTaskMgr.HostDied(remoteObject);
86 formTaskMgr.ProviderBatchDelete(formIds, want, remoteObject);
87 formTaskMgr.FireFormEvent(formId, message, want, remoteObject);
88 formTaskMgr.AcquireState(wantArg, provider, want, remoteObject);
89 formTaskMgr.FormUninstall(formIdes, remoteObject);
90 formTaskMgr.AcquireStateBack(state, wants, remoteObject);
91 formTaskMgr.FormShareSendResponse(formShareRequestCode, result);
92 FormDistributedClient formDistributedClient;
93 formDistributedClient.GetDmsServiceProxy();
94 sptr<IRemoteObject> dmsProxy = nullptr;
95 formDistributedClient.SetDmsProxy(dmsProxy);
96 FormShareInfo formShareInfo;
97 return formDistributedClient.ShareForm(remoteDeviceId, formShareInfo);
98 }
99 }
100
101 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)102 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
103 {
104 /* Run your code on data */
105 if (data == nullptr) {
106 return 0;
107 }
108
109 if (size < OHOS::U32_AT_SIZE) {
110 return 0;
111 }
112
113 /* Validate the length of size */
114 if (size == 0 || size > OHOS::FOO_MAX_LEN) {
115 return 0;
116 }
117
118 char* ch = static_cast<char*>(malloc(size + 1));
119 if (ch == nullptr) {
120 return 0;
121 }
122
123 (void)memset_s(ch, size + 1, 0x00, size + 1);
124 if (memcpy_s(ch, size + 1, data, size) != EOK) {
125 free(ch);
126 ch = nullptr;
127 return 0;
128 }
129
130 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
131 free(ch);
132 ch = nullptr;
133 return 0;
134 }
135
136