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
19namespace OHOS {
20namespace 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
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
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
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
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
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
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 */
82extern "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