1 /*
2 * Copyright (c) 2025 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 "injectionrequest_fuzzer.h"
17
18 #include "mmi_service.h"
19
20 #include "multimodal_input_connect_stub.h"
21 #include "mmi_log.h"
22
23 #undef MMI_LOG_TAG
24 #define MMI_LOG_TAG "InjectionRequestFuzzTest"
25
26 namespace OHOS {
27 namespace MMI {
28
29 template <class T>
GetObject(const uint8_t * data,size_t size,T & object)30 size_t GetObject(const uint8_t *data, size_t size, T &object)
31 {
32 size_t objectSize = sizeof(T);
33 if (objectSize > size) {
34 return 0;
35 }
36 errno_t ret = memcpy_s(&object, objectSize, data, objectSize);
37 return (ret == EOK) ? objectSize : 0;
38 }
39
InjectionRequestFuzzTest(const uint8_t * data,size_t size)40 void InjectionRequestFuzzTest(const uint8_t *data, size_t size)
41 {
42 if (data == nullptr || size == 0) {
43 return;
44 }
45 size_t startPos = 0;
46 int32_t random = 0;
47 startPos += GetObject(data + startPos, size - startPos, random);
48 bool doRequestFirst = (random % 2 == 0);
49
50 if (doRequestFirst) {
51 int32_t status = -1;
52 int32_t reqId = -1;
53 int32_t ret = MMIService::GetInstance()->RequestInjection(status, reqId);
54 MMI_HILOGD("RequestInjection: ret=%{public}d, status=%{public}d, reqId=%{public}d", ret, status, reqId);
55 }
56
57 int32_t cancelRet = MMIService::GetInstance()->CancelInjection();
58 MMI_HILOGD("CancelInjection: ret=%{public}d", cancelRet);
59 if (!doRequestFirst) {
60 int32_t status = -1;
61 int32_t reqId = -1;
62 int32_t ret = MMIService::GetInstance()->RequestInjection(status, reqId);
63 MMI_HILOGD("RequestInjection: ret=%{public}d, status=%{public}d, reqId=%{public}d", ret, status, reqId);
64 }
65 }
66
67 } // namespace MMI
68 } // namespace OHOS
69
70 // fuzz entry point
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)71 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
72 {
73 OHOS::MMI::InjectionRequestFuzzTest(data, size);
74 return 0;
75 }