1 /*
2 * Copyright (c) 2024 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 #include "fuzzer/FuzzedDataProvider.h"
16 #include "scan_manager_client.h"
17 #include "scan_callback.h"
18 #include "scanner_info.h"
19 #include "scancallback_fuzzer.h"
20
21 namespace OHOS::Scan {
22 constexpr int MAX_SET_NUMBER = 100;
23 constexpr size_t FOO_MAX_LEN = 1024;
24 constexpr size_t U32_AT_SIZE = 4;
25
TestSetCallbackParam(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)26 void TestSetCallbackParam(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
27 {
28 CallbackParam param;
29 std::mutex mutex;
30 napi_env env = nullptr;
31 napi_ref ref = nullptr;
32 param.InitialCallbackParam(env, ref, mutex);
33 }
34
TestSetCallbackSyncParam(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)35 void TestSetCallbackSyncParam(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
36 {
37 CallbackParam param;
38 std::mutex mutex;
39 napi_env env = nullptr;
40 napi_ref ref = nullptr;
41 param.InitialCallbackParam(env, ref, mutex);
42 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
43 ScanDeviceInfoSync syncInfo;
44 param.SetCallbackSyncParam(state, syncInfo);
45 }
46
TestOnCallback(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)47 void TestOnCallback(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
48 {
49 napi_env env = nullptr;
50 napi_ref ref = nullptr;
51 ScanCallback callBack(env, ref);
52 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
53 ScanDeviceInfo deviceInfo;
54 callBack.OnCallback(state, deviceInfo);
55 }
56
TestOnCallbackSync(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)57 void TestOnCallbackSync(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
58 {
59 napi_env env = nullptr;
60 napi_ref ref = nullptr;
61 ScanCallback callBack(env, ref);
62 std::mutex mutex;
63 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
64 ScanDeviceInfoSync syncInfo;
65 callBack.OnCallbackSync(state, syncInfo);
66 }
67
TestOnGetDevicesList(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)68 void TestOnGetDevicesList(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
69 {
70 napi_env env = nullptr;
71 napi_ref ref = nullptr;
72 ScanCallback callBack(env, ref);
73 int32_t infoSize = dataProvider->ConsumeIntegralInRange<int32_t>(0, MAX_SET_NUMBER);
74 std::vector<ScanDeviceInfo> infos(infoSize);
75 callBack.OnGetDevicesList(infos);
76 }
77
78 }
79
80 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)81 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
82 {
83 if (data == nullptr) {
84 return 0;
85 }
86
87 if (size < OHOS::Scan::U32_AT_SIZE || size > OHOS::Scan::FOO_MAX_LEN) {
88 return 0;
89 }
90 FuzzedDataProvider dataProvider(data, size);
91 OHOS::Scan::TestSetCallbackParam(data, size, &dataProvider);
92 OHOS::Scan::TestSetCallbackSyncParam(data, size, &dataProvider);
93 OHOS::Scan::TestOnCallback(data, size, &dataProvider);
94 OHOS::Scan::TestOnCallbackSync(data, size, &dataProvider);
95 OHOS::Scan::TestOnGetDevicesList(data, size, &dataProvider);
96
97 return 0;
98 }
99
100