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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 "usb_common_fuzz.h"
17 
18 #include "usb_errors.h"
19 #include "usb_srv_client.h"
20 
21 namespace OHOS {
22 namespace USB {
UsbMgrPrepareFuzzEnv()23 std::tuple<bool, const USBDevicePipe&, const UsbInterface&> UsbMgrPrepareFuzzEnv()
24 {
25     std::vector<UsbDevice> devList;
26     auto &usbSrvClient = UsbSrvClient::GetInstance();
27     auto ret = usbSrvClient.GetDevices(devList);
28     if (ret != UEC_OK || devList.empty()) {
29         USB_HILOGE(MODULE_USB_SERVICE, "get devices failed ret=%{public}d", ret);
30         return {false, {}, {}};
31     }
32 
33     USBDevicePipe pipe;
34     UsbDevice device = devList.front();
35     usbSrvClient.RequestRight(device.GetName());
36     ret = usbSrvClient.OpenDevice(device, pipe);
37     if (ret != UEC_OK) {
38         USB_HILOGE(MODULE_USB_SERVICE, "open device failed ret=%{public}d", ret);
39         return {false, {}, {}};
40     }
41 
42     UsbInterface interface = devList.front().GetConfigs().front().GetInterfaces().at(1);
43     ret = usbSrvClient.ClaimInterface(pipe, interface, true);
44     if (ret != UEC_OK) {
45         USB_HILOGE(MODULE_USB_SERVICE, "ClaimInterface failed ret=%{public}d", ret);
46         usbSrvClient.Close(pipe);
47         return {false, {}, {}};
48     }
49 
50     return {true, pipe, interface};
51 }
52 } // USB
53 } // OHOS
54