mirror of
https://git.zx2c4.com/wireguard-go
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178 lines
8.5 KiB
Go
178 lines
8.5 KiB
Go
/* SPDX-License-Identifier: MIT
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*
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* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
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*/
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package setupapi
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import (
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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"golang.org/x/sys/windows/registry"
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)
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//sys setupDiClassNameFromGuidEx(ClassGUID *windows.GUID, ClassName *uint16, ClassNameSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassNameFromGuidExW
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//sys setupDiClassGuidsFromNameEx(ClassName *uint16, ClassGuidList *windows.GUID, ClassGuidListSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassGuidsFromNameExW
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//sys setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiGetClassDevsExW
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//sys SetupDiDestroyDeviceInfoList(DeviceInfoSet DevInfo) (err error) = setupapi.SetupDiDestroyDeviceInfoList
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//sys setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
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//sys setupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex uint32, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiEnumDeviceInfo
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//sys setupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key windows.Handle, err error) [failretval==windows.InvalidHandle] = setupapi.SetupDiOpenDevRegKey
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//sys setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiGetDeviceInstallParamsW
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//sys setupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiSetDeviceInstallParamsW
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//sys SetupDiGetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32, RequiredSize *uint32) (err error) = setupapi.SetupDiGetClassInstallParamsW
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//sys SetupDiSetClassInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, ClassInstallParams *SP_CLASSINSTALL_HEADER, ClassInstallParamsSize uint32) (err error) = setupapi.SetupDiSetClassInstallParamsW
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//sys SetupDiCallClassInstaller(InstallFunction DI_FUNCTION, DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiCallClassInstaller
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// SetupDiClassNameFromGuidEx function retrieves the class name associated with a class GUID. The class can be installed on a local or remote computer.
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func SetupDiClassNameFromGuidEx(ClassGUID *windows.GUID, MachineName string) (ClassName string, err error) {
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var classNameUTF16 [MAX_CLASS_NAME_LEN]uint16
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var machineNameUTF16 *uint16
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if MachineName != "" {
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machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
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if err != nil {
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return
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}
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}
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err = setupDiClassNameFromGuidEx(ClassGUID, &classNameUTF16[0], MAX_CLASS_NAME_LEN, nil, machineNameUTF16, 0)
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if err != nil {
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return
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}
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ClassName = windows.UTF16ToString(classNameUTF16[:])
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return
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}
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// SetupDiClassGuidsFromNameEx function retrieves the GUIDs associated with the specified class name. This resulting list contains the classes currently installed on a local or remote computer.
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func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGuidList []windows.GUID, err error) {
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classNameUTF16, err := syscall.UTF16PtrFromString(ClassName)
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if err != nil {
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return
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}
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const bufLen = 4
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var buf [bufLen]windows.GUID
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var bufCount uint32
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var machineNameUTF16 *uint16
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if MachineName != "" {
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machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
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if err != nil {
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return
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}
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}
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufCount, machineNameUTF16, 0)
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if err == nil {
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// The GUID array was sufficiently big. Return its slice.
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return buf[:bufCount], nil
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}
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if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER {
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// The GUID array was too small. Now that we got the required size, create another one big enough and retry.
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buf := make([]windows.GUID, bufCount)
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCount, &bufCount, machineNameUTF16, 0)
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if err == nil {
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return buf[:bufCount], nil
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}
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}
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return
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}
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// SetupDiGetClassDevsEx function returns a handle to a device information set that contains requested device information elements for a local or a remote computer.
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func SetupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator string, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName string) (handle DevInfo, err error) {
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var enumeratorUTF16 *uint16
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if Enumerator != "" {
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enumeratorUTF16, err = syscall.UTF16PtrFromString(Enumerator)
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if err != nil {
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return
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}
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}
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var machineNameUTF16 *uint16
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if MachineName != "" {
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machineNameUTF16, err = syscall.UTF16PtrFromString(MachineName)
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if err != nil {
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return
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}
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}
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return setupDiGetClassDevsEx(ClassGUID, enumeratorUTF16, hwndParent, Flags, DeviceInfoSet, machineNameUTF16, 0)
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}
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// SetupDiGetDeviceInfoListDetail function retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name.
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func SetupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo) (DeviceInfoSetDetailData *DevInfoListDetailData, err error) {
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var _data _SP_DEVINFO_LIST_DETAIL_DATA
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_data.Size = uint32(unsafe.Sizeof(_data))
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err = setupDiGetDeviceInfoListDetail(DeviceInfoSet, &_data)
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if err != nil {
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return
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}
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return &DevInfoListDetailData{
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ClassGUID: _data.ClassGUID,
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RemoteMachineHandle: _data.RemoteMachineHandle,
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RemoteMachineName: windows.UTF16ToString(_data.RemoteMachineName[:]),
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}, nil
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}
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// SetupDiEnumDeviceInfo function returns a SP_DEVINFO_DATA structure that specifies a device information element in a device information set.
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func SetupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex int) (DeviceInfoData *SP_DEVINFO_DATA, err error) {
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data := SP_DEVINFO_DATA{}
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data.Size = uint32(unsafe.Sizeof(data))
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return &data, setupDiEnumDeviceInfo(DeviceInfoSet, uint32(MemberIndex), &data)
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}
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// SetupDiOpenDevRegKey function opens a registry key for device-specific configuration information.
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func SetupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key registry.Key, err error) {
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handle, err := setupDiOpenDevRegKey(DeviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired)
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return registry.Key(handle), err
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}
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// SetupDiGetDeviceInstallParams function retrieves device installation parameters for a device information set or a particular device information element.
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func SetupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA) (DeviceInstallParams *DevInstallParams, err error) {
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var _data _SP_DEVINSTALL_PARAMS
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_data.Size = uint32(unsafe.Sizeof(_data))
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err = setupDiGetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &_data)
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if err != nil {
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return
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}
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return &DevInstallParams{
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Flags: _data.Flags,
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FlagsEx: _data.FlagsEx,
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hwndParent: _data.hwndParent,
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InstallMsgHandler: _data.InstallMsgHandler,
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InstallMsgHandlerContext: _data.InstallMsgHandlerContext,
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FileQueue: _data.FileQueue,
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DriverPath: windows.UTF16ToString(_data.DriverPath[:]),
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}, nil
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}
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// SetupDiSetDeviceInstallParams function sets device installation parameters for a device information set or a particular device information element.
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func SetupDiSetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *DevInstallParams) (err error) {
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_data := _SP_DEVINSTALL_PARAMS{
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Flags: DeviceInstallParams.Flags,
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FlagsEx: DeviceInstallParams.FlagsEx,
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hwndParent: DeviceInstallParams.hwndParent,
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InstallMsgHandler: DeviceInstallParams.InstallMsgHandler,
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InstallMsgHandlerContext: DeviceInstallParams.InstallMsgHandlerContext,
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FileQueue: DeviceInstallParams.FileQueue,
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}
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_data.Size = uint32(unsafe.Sizeof(_data))
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driverPathUTF16, err := syscall.UTF16FromString(DeviceInstallParams.DriverPath)
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if err != nil {
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return
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}
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copy(_data.DriverPath[:], driverPathUTF16)
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return setupDiSetDeviceInstallParams(DeviceInfoSet, DeviceInfoData, &_data)
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}
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