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 "usbmgrbulkread_fuzzer.h"
17
18#include "iremote_object.h"
19#include "usb_errors.h"
20#include "usb_callback_test.h"
21#include "usb_common_fuzz.h"
22
23namespace OHOS {
24const uint32_t OFFSET = 4;
25const uint32_t OFFSET_BYTE = 8;
26constexpr size_t THRESHOLD = 10;
27namespace USB {
28    bool UsbMgrBulkReadFuzzTest(const uint8_t* data, size_t /* size */)
29    {
30        auto[res, pipe, interface] = UsbMgrPrepareFuzzEnv();
31        if (!res) {
32            USB_HILOGE(MODULE_USB_SERVICE, "prepare error");
33            return false;
34        }
35
36        auto& usbSrvClient = UsbSrvClient::GetInstance();
37        sptr<UsbCallbackTest> cb = new UsbCallbackTest();
38        auto ret = usbSrvClient.RegBulkCallback(
39            const_cast<USBDevicePipe &>(pipe), const_cast<UsbInterface &>(interface).GetEndpoints().at(1), cb);
40        if (ret != UEC_OK) {
41            USB_HILOGE(MODULE_USB_SERVICE, "RegBulkCallback failed ret=%{public}d", ret);
42            return false;
43        }
44
45        if (usbSrvClient.BulkRead(reinterpret_cast<USBDevicePipe &>(data),
46            reinterpret_cast<const USBEndpoint &>(std::move(data + OFFSET)),
47            reinterpret_cast<sptr<Ashmem> &>(std::move(data + OFFSET_BYTE))) == UEC_OK) {
48            return false;
49        }
50        return true;
51    }
52} // USB
53} // OHOS
54
55/* Fuzzer entry point */
56extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57{
58    if (size < OHOS::THRESHOLD) {
59        return 0;
60    }
61    /* Run your code on data */
62    OHOS::USB::UsbMgrBulkReadFuzzTest(data, size);
63    return 0;
64}
65
66