diff options
Diffstat (limited to 'tun/wintun/setupapi/setupapi_windows.go')
| -rw-r--r-- | tun/wintun/setupapi/setupapi_windows.go | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/tun/wintun/setupapi/setupapi_windows.go b/tun/wintun/setupapi/setupapi_windows.go deleted file mode 100644 index 60a8eb7..0000000 --- a/tun/wintun/setupapi/setupapi_windows.go +++ /dev/null @@ -1,506 +0,0 @@ -/* SPDX-License-Identifier: MIT - * - * Copyright (C) 2019 WireGuard LLC. All Rights Reserved. - */ - -package setupapi - -import ( - "encoding/binary" - "fmt" - "runtime" - "unsafe" - - "golang.org/x/sys/windows" - "golang.org/x/sys/windows/registry" -) - -//sys setupDiCreateDeviceInfoListEx(classGUID *windows.GUID, hwndParent uintptr, machineName *uint16, reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiCreateDeviceInfoListExW - -// SetupDiCreateDeviceInfoListEx function creates an empty device information set on a remote or a local computer and optionally associates the set with a device setup class. -func SetupDiCreateDeviceInfoListEx(classGUID *windows.GUID, hwndParent uintptr, machineName string) (deviceInfoSet DevInfo, err error) { - var machineNameUTF16 *uint16 - if machineName != "" { - machineNameUTF16, err = windows.UTF16PtrFromString(machineName) - if err != nil { - return - } - } - return setupDiCreateDeviceInfoListEx(classGUID, hwndParent, machineNameUTF16, 0) -} - -//sys setupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo, deviceInfoSetDetailData *DevInfoListDetailData) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW - -// SetupDiGetDeviceInfoListDetail function retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name. -func SetupDiGetDeviceInfoListDetail(deviceInfoSet DevInfo) (deviceInfoSetDetailData *DevInfoListDetailData, err error) { - data := &DevInfoListDetailData{} - data.size = sizeofDevInfoListDetailData - - return data, setupDiGetDeviceInfoListDetail(deviceInfoSet, data) -} - -// DeviceInfoListDetail method retrieves information associated with a device information set including the class GUID, remote computer handle, and remote computer name. -func (deviceInfoSet DevInfo) DeviceInfoListDetail() (*DevInfoListDetailData, error) { - return SetupDiGetDeviceInfoListDetail(deviceInfoSet) -} - -//sys setupDiCreateDeviceInfo(deviceInfoSet DevInfo, DeviceName *uint16, classGUID *windows.GUID, DeviceDescription *uint16, hwndParent uintptr, CreationFlags DICD, deviceInfoData *DevInfoData) (err error) = setupapi.SetupDiCreateDeviceInfoW - -// SetupDiCreateDeviceInfo function creates a new device information element and adds it as a new member to the specified device information set. -func SetupDiCreateDeviceInfo(deviceInfoSet DevInfo, deviceName string, classGUID *windows.GUID, deviceDescription string, hwndParent uintptr, creationFlags DICD) (deviceInfoData *DevInfoData, err error) { - deviceNameUTF16, err := windows.UTF16PtrFromString(deviceName) - if err != nil { - return - } - - var deviceDescriptionUTF16 *uint16 - if deviceDescription != "" { - deviceDescriptionUTF16, err = windows.UTF16PtrFromString(deviceDescription) - if err != nil { - return - } - } - - data := &DevInfoData{} - data.size = uint32(unsafe.Sizeof(*data)) - - return data, setupDiCreateDeviceInfo(deviceInfoSet, deviceNameUTF16, classGUID, deviceDescriptionUTF16, hwndParent, creationFlags, data) -} - -// CreateDeviceInfo method creates a new device information element and adds it as a new member to the specified device information set. -func (deviceInfoSet DevInfo) CreateDeviceInfo(deviceName string, classGUID *windows.GUID, deviceDescription string, hwndParent uintptr, creationFlags DICD) (*DevInfoData, error) { - return SetupDiCreateDeviceInfo(deviceInfoSet, deviceName, classGUID, deviceDescription, hwndParent, creationFlags) -} - -//sys setupDiEnumDeviceInfo(deviceInfoSet DevInfo, memberIndex uint32, deviceInfoData *DevInfoData) (err error) = setupapi.SetupDiEnumDeviceInfo - -// SetupDiEnumDeviceInfo function returns a DevInfoData structure that specifies a device information element in a device information set. -func SetupDiEnumDeviceInfo(deviceInfoSet DevInfo, memberIndex int) (*DevInfoData, error) { - data := &DevInfoData{} - data.size = uint32(unsafe.Sizeof(*data)) - - return data, setupDiEnumDeviceInfo(deviceInfoSet, uint32(memberIndex), data) -} - -// EnumDeviceInfo method returns a DevInfoData structure that specifies a device information element in a device information set. -func (deviceInfoSet DevInfo) EnumDeviceInfo(memberIndex int) (*DevInfoData, error) { - return SetupDiEnumDeviceInfo(deviceInfoSet, memberIndex) -} - -// SetupDiDestroyDeviceInfoList function deletes a device information set and frees all associated memory. -//sys SetupDiDestroyDeviceInfoList(deviceInfoSet DevInfo) (err error) = setupapi.SetupDiDestroyDeviceInfoList - -// Close method deletes a device information set and frees all associated memory. -func (deviceInfoSet DevInfo) Close() error { - return SetupDiDestroyDeviceInfoList(deviceInfoSet) -} - -//sys SetupDiBuildDriverInfoList(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverType SPDIT) (err error) = setupapi.SetupDiBuildDriverInfoList - -// BuildDriverInfoList method builds a list of drivers that is associated with a specific device or with the global class driver list for a device information set. -func (deviceInfoSet DevInfo) BuildDriverInfoList(deviceInfoData *DevInfoData, driverType SPDIT) error { - return SetupDiBuildDriverInfoList(deviceInfoSet, deviceInfoData, driverType) -} - -//sys SetupDiCancelDriverInfoSearch(deviceInfoSet DevInfo) (err error) = setupapi.SetupDiCancelDriverInfoSearch - -// CancelDriverInfoSearch method cancels a driver list search that is currently in progress in a different thread. -func (deviceInfoSet DevInfo) CancelDriverInfoSearch() error { - return SetupDiCancelDriverInfoSearch(deviceInfoSet) -} - -//sys setupDiEnumDriverInfo(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverType SPDIT, memberIndex uint32, driverInfoData *DrvInfoData) (err error) = setupapi.SetupDiEnumDriverInfoW - -// SetupDiEnumDriverInfo function enumerates the members of a driver list. -func SetupDiEnumDriverInfo(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverType SPDIT, memberIndex int) (*DrvInfoData, error) { - data := &DrvInfoData{} - data.size = uint32(unsafe.Sizeof(*data)) - - return data, setupDiEnumDriverInfo(deviceInfoSet, deviceInfoData, driverType, uint32(memberIndex), data) -} - -// EnumDriverInfo method enumerates the members of a driver list. -func (deviceInfoSet DevInfo) EnumDriverInfo(deviceInfoData *DevInfoData, driverType SPDIT, memberIndex int) (*DrvInfoData, error) { - return SetupDiEnumDriverInfo(deviceInfoSet, deviceInfoData, driverType, memberIndex) -} - -//sys setupDiGetSelectedDriver(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverInfoData *DrvInfoData) (err error) = setupapi.SetupDiGetSelectedDriverW - -// SetupDiGetSelectedDriver function retrieves the selected driver for a device information set or a particular device information element. -func SetupDiGetSelectedDriver(deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (*DrvInfoData, error) { - data := &DrvInfoData{} - data.size = uint32(unsafe.Sizeof(*data)) - - return data, setupDiGetSelectedDriver(deviceInfoSet, deviceInfoData, data) -} - -// SelectedDriver method retrieves the selected driver for a device information set or a particular device information element. -func (deviceInfoSet DevInfo) SelectedDriver(deviceInfoData *DevInfoData) (*DrvInfoData, error) { - return SetupDiGetSelectedDriver(deviceInfoSet, deviceInfoData) -} - -//sys SetupDiSetSelectedDriver(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverInfoData *DrvInfoData) (err error) = setupapi.SetupDiSetSelectedDriverW - -// SetSelectedDriver method sets, or resets, the selected driver for a device information element or the selected class driver for a device information set. -func (deviceInfoSet DevInfo) SetSelectedDriver(deviceInfoData *DevInfoData, driverInfoData *DrvInfoData) error { - return SetupDiSetSelectedDriver(deviceInfoSet, deviceInfoData, driverInfoData) -} - -//sys setupDiGetDriverInfoDetail(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverInfoData *DrvInfoData, driverInfoDetailData *DrvInfoDetailData, driverInfoDetailDataSize uint32, requiredSize *uint32) (err error) = setupapi.SetupDiGetDriverInfoDetailW - -// SetupDiGetDriverInfoDetail function retrieves driver information detail for a device information set or a particular device information element in the device information set. -func SetupDiGetDriverInfoDetail(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverInfoData *DrvInfoData) (*DrvInfoDetailData, error) { - reqSize := uint32(2048) - for { - buf := make([]byte, reqSize) - data := (*DrvInfoDetailData)(unsafe.Pointer(&buf[0])) - data.size = sizeofDrvInfoDetailData - err := setupDiGetDriverInfoDetail(deviceInfoSet, deviceInfoData, driverInfoData, data, uint32(len(buf)), &reqSize) - if err == windows.ERROR_INSUFFICIENT_BUFFER { - continue - } - if err != nil { - return nil, err - } - data.size = reqSize - return data, nil - } -} - -// DriverInfoDetail method retrieves driver information detail for a device information set or a particular device information element in the device information set. -func (deviceInfoSet DevInfo) DriverInfoDetail(deviceInfoData *DevInfoData, driverInfoData *DrvInfoData) (*DrvInfoDetailData, error) { - return SetupDiGetDriverInfoDetail(deviceInfoSet, deviceInfoData, driverInfoData) -} - -//sys SetupDiDestroyDriverInfoList(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, driverType SPDIT) (err error) = setupapi.SetupDiDestroyDriverInfoList - -// DestroyDriverInfoList method deletes a driver list. -func (deviceInfoSet DevInfo) DestroyDriverInfoList(deviceInfoData *DevInfoData, driverType SPDIT) error { - return SetupDiDestroyDriverInfoList(deviceInfoSet, deviceInfoData, driverType) -} - -//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 - -// SetupDiGetClassDevsEx function returns a handle to a device information set that contains requested device information elements for a local or a remote computer. -func SetupDiGetClassDevsEx(classGUID *windows.GUID, enumerator string, hwndParent uintptr, flags DIGCF, deviceInfoSet DevInfo, machineName string) (handle DevInfo, err error) { - var enumeratorUTF16 *uint16 - if enumerator != "" { - enumeratorUTF16, err = windows.UTF16PtrFromString(enumerator) - if err != nil { - return - } - } - var machineNameUTF16 *uint16 - if machineName != "" { - machineNameUTF16, err = windows.UTF16PtrFromString(machineName) - if err != nil { - return - } - } - return setupDiGetClassDevsEx(classGUID, enumeratorUTF16, hwndParent, flags, deviceInfoSet, machineNameUTF16, 0) -} - -// SetupDiCallClassInstaller function calls the appropriate class installer, and any registered co-installers, with the specified installation request (DIF code). -//sys SetupDiCallClassInstaller(installFunction DI_FUNCTION, deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (err error) = setupapi.SetupDiCallClassInstaller - -// CallClassInstaller member calls the appropriate class installer, and any registered co-installers, with the specified installation request (DIF code). -func (deviceInfoSet DevInfo) CallClassInstaller(installFunction DI_FUNCTION, deviceInfoData *DevInfoData) error { - return SetupDiCallClassInstaller(installFunction, deviceInfoSet, deviceInfoData) -} - -//sys setupDiOpenDevRegKey(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (key windows.Handle, err error) [failretval==windows.InvalidHandle] = setupapi.SetupDiOpenDevRegKey - -// SetupDiOpenDevRegKey function opens a registry key for device-specific configuration information. -func SetupDiOpenDevRegKey(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, scope DICS_FLAG, hwProfile uint32, keyType DIREG, samDesired uint32) (registry.Key, error) { - handle, err := setupDiOpenDevRegKey(deviceInfoSet, deviceInfoData, scope, hwProfile, keyType, samDesired) - return registry.Key(handle), err -} - -// OpenDevRegKey method opens a registry key for device-specific configuration information. -func (deviceInfoSet DevInfo) OpenDevRegKey(DeviceInfoData *DevInfoData, Scope DICS_FLAG, HwProfile uint32, KeyType DIREG, samDesired uint32) (registry.Key, error) { - return SetupDiOpenDevRegKey(deviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired) -} - -//sys setupDiGetDeviceRegistryProperty(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, property SPDRP, propertyRegDataType *uint32, propertyBuffer *byte, propertyBufferSize uint32, requiredSize *uint32) (err error) = setupapi.SetupDiGetDeviceRegistryPropertyW - -// SetupDiGetDeviceRegistryProperty function retrieves a specified Plug and Play device property. -func SetupDiGetDeviceRegistryProperty(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, property SPDRP) (value interface{}, err error) { - reqSize := uint32(256) - for { - var dataType uint32 - buf := make([]byte, reqSize) - err = setupDiGetDeviceRegistryProperty(deviceInfoSet, deviceInfoData, property, &dataType, &buf[0], uint32(len(buf)), &reqSize) - if err == windows.ERROR_INSUFFICIENT_BUFFER { - continue - } - if err != nil { - return - } - return getRegistryValue(buf[:reqSize], dataType) - } -} - -func getRegistryValue(buf []byte, dataType uint32) (interface{}, error) { - switch dataType { - case windows.REG_SZ: - ret := windows.UTF16ToString(bufToUTF16(buf)) - runtime.KeepAlive(buf) - return ret, nil - case windows.REG_EXPAND_SZ: - ret, err := registry.ExpandString(windows.UTF16ToString(bufToUTF16(buf))) - runtime.KeepAlive(buf) - return ret, err - case windows.REG_BINARY: - return buf, nil - case windows.REG_DWORD_LITTLE_ENDIAN: - return binary.LittleEndian.Uint32(buf), nil - case windows.REG_DWORD_BIG_ENDIAN: - return binary.BigEndian.Uint32(buf), nil - case windows.REG_MULTI_SZ: - bufW := bufToUTF16(buf) - a := []string{} - for i := 0; i < len(bufW); { - j := i + wcslen(bufW[i:]) - if i < j { - a = append(a, windows.UTF16ToString(bufW[i:j])) - } - i = j + 1 - } - runtime.KeepAlive(buf) - return a, nil - case windows.REG_QWORD_LITTLE_ENDIAN: - return binary.LittleEndian.Uint64(buf), nil - default: - return nil, fmt.Errorf("Unsupported registry value type: %v", dataType) - } -} - -// bufToUTF16 function reinterprets []byte buffer as []uint16 -func bufToUTF16(buf []byte) []uint16 { - sl := struct { - addr *uint16 - len int - cap int - }{(*uint16)(unsafe.Pointer(&buf[0])), len(buf) / 2, cap(buf) / 2} - return *(*[]uint16)(unsafe.Pointer(&sl)) -} - -// utf16ToBuf function reinterprets []uint16 as []byte -func utf16ToBuf(buf []uint16) []byte { - sl := struct { - addr *byte - len int - cap int - }{(*byte)(unsafe.Pointer(&buf[0])), len(buf) * 2, cap(buf) * 2} - return *(*[]byte)(unsafe.Pointer(&sl)) -} - -func wcslen(str []uint16) int { - for i := 0; i < len(str); i++ { - if str[i] == 0 { - return i - } - } - return len(str) -} - -// DeviceRegistryProperty method retrieves a specified Plug and Play device property. -func (deviceInfoSet DevInfo) DeviceRegistryProperty(deviceInfoData *DevInfoData, property SPDRP) (interface{}, error) { - return SetupDiGetDeviceRegistryProperty(deviceInfoSet, deviceInfoData, property) -} - -//sys setupDiSetDeviceRegistryProperty(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, property SPDRP, propertyBuffer *byte, propertyBufferSize uint32) (err error) = setupapi.SetupDiSetDeviceRegistryPropertyW - -// SetupDiSetDeviceRegistryProperty function sets a Plug and Play device property for a device. -func SetupDiSetDeviceRegistryProperty(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, property SPDRP, propertyBuffers []byte) error { - return setupDiSetDeviceRegistryProperty(deviceInfoSet, deviceInfoData, property, &propertyBuffers[0], uint32(len(propertyBuffers))) -} - -// SetDeviceRegistryProperty function sets a Plug and Play device property for a device. -func (deviceInfoSet DevInfo) SetDeviceRegistryProperty(deviceInfoData *DevInfoData, property SPDRP, propertyBuffers []byte) error { - return SetupDiSetDeviceRegistryProperty(deviceInfoSet, deviceInfoData, property, propertyBuffers) -} - -// SetDeviceRegistryPropertyString method sets a Plug and Play device property string for a device. -func (deviceInfoSet DevInfo) SetDeviceRegistryPropertyString(deviceInfoData *DevInfoData, property SPDRP, str string) error { - str16, err := windows.UTF16FromString(str) - if err != nil { - return err - } - err = SetupDiSetDeviceRegistryProperty(deviceInfoSet, deviceInfoData, property, utf16ToBuf(append(str16, 0))) - runtime.KeepAlive(str16) - return err -} - -//sys setupDiGetDeviceInstallParams(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, deviceInstallParams *DevInstallParams) (err error) = setupapi.SetupDiGetDeviceInstallParamsW - -// SetupDiGetDeviceInstallParams function retrieves device installation parameters for a device information set or a particular device information element. -func SetupDiGetDeviceInstallParams(deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (*DevInstallParams, error) { - params := &DevInstallParams{} - params.size = uint32(unsafe.Sizeof(*params)) - - return params, setupDiGetDeviceInstallParams(deviceInfoSet, deviceInfoData, params) -} - -// DeviceInstallParams method retrieves device installation parameters for a device information set or a particular device information element. -func (deviceInfoSet DevInfo) DeviceInstallParams(deviceInfoData *DevInfoData) (*DevInstallParams, error) { - return SetupDiGetDeviceInstallParams(deviceInfoSet, deviceInfoData) -} - -//sys setupDiGetDeviceInstanceId(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, instanceId *uint16, instanceIdSize uint32, instanceIdRequiredSize *uint32) (err error) = setupapi.SetupDiGetDeviceInstanceIdW - -// SetupDiGetDeviceInstanceId function retrieves the instance ID of the device. -func SetupDiGetDeviceInstanceId(deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (string, error) { - reqSize := uint32(1024) - for { - buf := make([]uint16, reqSize) - err := setupDiGetDeviceInstanceId(deviceInfoSet, deviceInfoData, &buf[0], uint32(len(buf)), &reqSize) - if err == windows.ERROR_INSUFFICIENT_BUFFER { - continue - } - if err != nil { - return "", err - } - return windows.UTF16ToString(buf), nil - } -} - -// DeviceInstanceID method retrieves the instance ID of the device. -func (deviceInfoSet DevInfo) DeviceInstanceID(deviceInfoData *DevInfoData) (string, error) { - return SetupDiGetDeviceInstanceId(deviceInfoSet, deviceInfoData) -} - -// SetupDiGetClassInstallParams function retrieves class installation parameters for a device information set or a particular device information element. -//sys SetupDiGetClassInstallParams(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, classInstallParams *ClassInstallHeader, classInstallParamsSize uint32, requiredSize *uint32) (err error) = setupapi.SetupDiGetClassInstallParamsW - -// ClassInstallParams method retrieves class installation parameters for a device information set or a particular device information element. -func (deviceInfoSet DevInfo) ClassInstallParams(deviceInfoData *DevInfoData, classInstallParams *ClassInstallHeader, classInstallParamsSize uint32, requiredSize *uint32) error { - return SetupDiGetClassInstallParams(deviceInfoSet, deviceInfoData, classInstallParams, classInstallParamsSize, requiredSize) -} - -//sys SetupDiSetDeviceInstallParams(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, deviceInstallParams *DevInstallParams) (err error) = setupapi.SetupDiSetDeviceInstallParamsW - -// SetDeviceInstallParams member sets device installation parameters for a device information set or a particular device information element. -func (deviceInfoSet DevInfo) SetDeviceInstallParams(deviceInfoData *DevInfoData, deviceInstallParams *DevInstallParams) error { - return SetupDiSetDeviceInstallParams(deviceInfoSet, deviceInfoData, deviceInstallParams) -} - -// SetupDiSetClassInstallParams function sets or clears class install parameters for a device information set or a particular device information element. -//sys SetupDiSetClassInstallParams(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, classInstallParams *ClassInstallHeader, classInstallParamsSize uint32) (err error) = setupapi.SetupDiSetClassInstallParamsW - -// SetClassInstallParams method sets or clears class install parameters for a device information set or a particular device information element. -func (deviceInfoSet DevInfo) SetClassInstallParams(deviceInfoData *DevInfoData, classInstallParams *ClassInstallHeader, classInstallParamsSize uint32) error { - return SetupDiSetClassInstallParams(deviceInfoSet, deviceInfoData, classInstallParams, classInstallParamsSize) -} - -//sys setupDiClassNameFromGuidEx(classGUID *windows.GUID, className *uint16, classNameSize uint32, requiredSize *uint32, machineName *uint16, reserved uintptr) (err error) = setupapi.SetupDiClassNameFromGuidExW - -// SetupDiClassNameFromGuidEx function retrieves the class name associated with a class GUID. The class can be installed on a local or remote computer. -func SetupDiClassNameFromGuidEx(classGUID *windows.GUID, machineName string) (className string, err error) { - var classNameUTF16 [MAX_CLASS_NAME_LEN]uint16 - - var machineNameUTF16 *uint16 - if machineName != "" { - machineNameUTF16, err = windows.UTF16PtrFromString(machineName) - if err != nil { - return - } - } - - err = setupDiClassNameFromGuidEx(classGUID, &classNameUTF16[0], MAX_CLASS_NAME_LEN, nil, machineNameUTF16, 0) - if err != nil { - return - } - - className = windows.UTF16ToString(classNameUTF16[:]) - return -} - -//sys setupDiClassGuidsFromNameEx(className *uint16, classGuidList *windows.GUID, classGuidListSize uint32, requiredSize *uint32, machineName *uint16, reserved uintptr) (err error) = setupapi.SetupDiClassGuidsFromNameExW - -// 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. -func SetupDiClassGuidsFromNameEx(className string, machineName string) ([]windows.GUID, error) { - classNameUTF16, err := windows.UTF16PtrFromString(className) - if err != nil { - return nil, err - } - - var machineNameUTF16 *uint16 - if machineName != "" { - machineNameUTF16, err = windows.UTF16PtrFromString(machineName) - if err != nil { - return nil, err - } - } - - reqSize := uint32(4) - for { - buf := make([]windows.GUID, reqSize) - err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], uint32(len(buf)), &reqSize, machineNameUTF16, 0) - if err == windows.ERROR_INSUFFICIENT_BUFFER { - continue - } - if err != nil { - return nil, err - } - return buf[:reqSize], nil - } -} - -//sys setupDiGetSelectedDevice(deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (err error) = setupapi.SetupDiGetSelectedDevice - -// SetupDiGetSelectedDevice function retrieves the selected device information element in a device information set. -func SetupDiGetSelectedDevice(deviceInfoSet DevInfo) (*DevInfoData, error) { - data := &DevInfoData{} - data.size = uint32(unsafe.Sizeof(*data)) - - return data, setupDiGetSelectedDevice(deviceInfoSet, data) -} - -// SelectedDevice method retrieves the selected device information element in a device information set. -func (deviceInfoSet DevInfo) SelectedDevice() (*DevInfoData, error) { - return SetupDiGetSelectedDevice(deviceInfoSet) -} - -// SetupDiSetSelectedDevice function sets a device information element as the selected member of a device information set. This function is typically used by an installation wizard. -//sys SetupDiSetSelectedDevice(deviceInfoSet DevInfo, deviceInfoData *DevInfoData) (err error) = setupapi.SetupDiSetSelectedDevice - -// SetSelectedDevice method sets a device information element as the selected member of a device information set. This function is typically used by an installation wizard. -func (deviceInfoSet DevInfo) SetSelectedDevice(deviceInfoData *DevInfoData) error { - return SetupDiSetSelectedDevice(deviceInfoSet, deviceInfoData) -} - -//sys cm_Get_Device_Interface_List_Size(len *uint32, interfaceClass *windows.GUID, deviceID *uint16, flags uint32) (ret uint32) = CfgMgr32.CM_Get_Device_Interface_List_SizeW -//sys cm_Get_Device_Interface_List(interfaceClass *windows.GUID, deviceID *uint16, buffer *uint16, bufferLen uint32, flags uint32) (ret uint32) = CfgMgr32.CM_Get_Device_Interface_ListW - -func CM_Get_Device_Interface_List(deviceID string, interfaceClass *windows.GUID, flags uint32) ([]string, error) { - deviceID16, err := windows.UTF16PtrFromString(deviceID) - if err != nil { - return nil, err - } - var buf []uint16 - var buflen uint32 - for { - if ret := cm_Get_Device_Interface_List_Size(&buflen, interfaceClass, deviceID16, flags); ret != CR_SUCCESS { - return nil, fmt.Errorf("CfgMgr error: 0x%x", ret) - } - buf = make([]uint16, buflen) - if ret := cm_Get_Device_Interface_List(interfaceClass, deviceID16, &buf[0], buflen, flags); ret == CR_SUCCESS { - break - } else if ret != CR_BUFFER_SMALL { - return nil, fmt.Errorf("CfgMgr error: 0x%x", ret) - } - } - var interfaces []string - for i := 0; i < len(buf); { - j := i + wcslen(buf[i:]) - if i < j { - interfaces = append(interfaces, windows.UTF16ToString(buf[i:j])) - } - i = j + 1 - } - if interfaces == nil { - return nil, fmt.Errorf("no interfaces found") - } - return interfaces, nil -} |