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 "scancallbackproxy_fuzzer.h"
17 #include "scan_callback_proxy.h"
18
19 namespace OHOS {
20 namespace Scan {
21 constexpr uint8_t MAX_STRING_LENGTH = 255;
22 constexpr int MAX_SET_NUMBER = 100;
23 constexpr size_t FOO_MAX_LEN = 1024;
24 constexpr size_t U32_AT_SIZE = 4;
25
TestTcpOnCallback(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)26 void TestTcpOnCallback(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
27 {
28 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
29 ScanDeviceInfoTCP info;
30 sptr<IRemoteObject> impl;
31 ScanCallbackProxy scanCallbackProxy(impl);
32 scanCallbackProxy.OnCallback(state, info);
33 }
34
TestUsbOnCallback(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)35 void TestUsbOnCallback(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
36 {
37 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
38 ScanDeviceInfo info;
39 sptr<IRemoteObject> impl;
40 ScanCallbackProxy scanCallbackProxy(impl);
41 scanCallbackProxy.OnCallback(state, info);
42 }
43
TestOnCallbackSync(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)44 void TestOnCallbackSync(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
45 {
46 uint32_t state = dataProvider->ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
47 ScanDeviceInfoSync info;
48 sptr<IRemoteObject> impl;
49 ScanCallbackProxy scanCallbackProxy(impl);
50 scanCallbackProxy.OnCallbackSync(state, info);
51 }
52
TestOnGetFrameResCallback(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)53 void TestOnGetFrameResCallback(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
54 {
55 bool isGetSucc = dataProvider->ConsumeBool();
56 int32_t sizeRead = dataProvider->ConsumeIntegralInRange<int32_t>(0, MAX_SET_NUMBER);
57 sptr<IRemoteObject> impl;
58 ScanCallbackProxy scanCallbackProxy(impl);
59 scanCallbackProxy.OnGetFrameResCallback(isGetSucc, sizeRead);
60 }
61
TestOnScanInitCallback(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)62 void TestOnScanInitCallback(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
63 {
64 int32_t scanVersion = dataProvider->ConsumeIntegralInRange<int32_t>(0, MAX_SET_NUMBER);
65 sptr<IRemoteObject> impl;
66 ScanCallbackProxy scanCallbackProxy(impl);
67 scanCallbackProxy.OnScanInitCallback(scanVersion);
68 }
69
TestOnSendSearchMessage(const uint8_t * data,size_t size,FuzzedDataProvider * dataProvider)70 void TestOnSendSearchMessage(const uint8_t* data, size_t size, FuzzedDataProvider* dataProvider)
71 {
72 std::string message = dataProvider->ConsumeRandomLengthString(MAX_STRING_LENGTH);
73 sptr<IRemoteObject> impl;
74 ScanCallbackProxy scanCallbackProxy(impl);
75 scanCallbackProxy.OnSendSearchMessage(message);
76 }
77
78 }
79 }
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 if (data == nullptr) {
85 return 0;
86 }
87
88 if (size < OHOS::Scan::U32_AT_SIZE || size > OHOS::Scan::FOO_MAX_LEN) {
89 return 0;
90 }
91 FuzzedDataProvider dataProvider(data, size);
92 OHOS::Scan::TestTcpOnCallback(data, size, &dataProvider);
93 OHOS::Scan::TestUsbOnCallback(data, size, &dataProvider);
94 OHOS::Scan::TestOnCallbackSync(data, size, &dataProvider);
95 OHOS::Scan::TestOnGetFrameResCallback(data, size, &dataProvider);
96 OHOS::Scan::TestOnScanInitCallback(data, size, &dataProvider);
97 OHOS::Scan::TestOnSendSearchMessage(data, size, &dataProvider);
98 return 0;
99 }
100
101