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