// Copyright 2021 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

package windows

import (

	"encoding/binary"

	"errors"

	"fmt"

	"runtime"

	"strings"

	"syscall"

	"unsafe"

)

// This file contains functions that wrap SetupAPI.dll and CfgMgr32.dll,

// core system functions for managing hardware devices, drivers, and the PnP tree.

// Information about these APIs can be found at:

//     https://docs.microsoft.com/en-us/windows-hardware/drivers/install/setupapi

//     https://docs.microsoft.com/en-us/windows/win32/devinst/cfgmgr32-

const (

	ERROR_EXPECTED_SECTION_NAME                  Errno = 0x20000000 | 0xC0000000 | 0

	ERROR_BAD_SECTION_NAME_LINE                  Errno = 0x20000000 | 0xC0000000 | 1

	ERROR_SECTION_NAME_TOO_LONG                  Errno = 0x20000000 | 0xC0000000 | 2

	ERROR_GENERAL_SYNTAX                         Errno = 0x20000000 | 0xC0000000 | 3

	ERROR_WRONG_INF_STYLE                        Errno = 0x20000000 | 0xC0000000 | 0x100

	ERROR_SECTION_NOT_FOUND                      Errno = 0x20000000 | 0xC0000000 | 0x101

	ERROR_LINE_NOT_FOUND                         Errno = 0x20000000 | 0xC0000000 | 0x102

	ERROR_NO_BACKUP                              Errno = 0x20000000 | 0xC0000000 | 0x103

	ERROR_NO_ASSOCIATED_CLASS                    Errno = 0x20000000 | 0xC0000000 | 0x200

	ERROR_CLASS_MISMATCH                         Errno = 0x20000000 | 0xC0000000 | 0x201

	ERROR_DUPLICATE_FOUND                        Errno = 0x20000000 | 0xC0000000 | 0x202

	ERROR_NO_DRIVER_SELECTED                     Errno = 0x20000000 | 0xC0000000 | 0x203

	ERROR_KEY_DOES_NOT_EXIST                     Errno = 0x20000000 | 0xC0000000 | 0x204

	ERROR_INVALID_DEVINST_NAME                   Errno = 0x20000000 | 0xC0000000 | 0x205

	ERROR_INVALID_CLASS                          Errno = 0x20000000 | 0xC0000000 | 0x206

	ERROR_DEVINST_ALREADY_EXISTS                 Errno = 0x20000000 | 0xC0000000 | 0x207

	ERROR_DEVINFO_NOT_REGISTERED                 Errno = 0x20000000 | 0xC0000000 | 0x208

	ERROR_INVALID_REG_PROPERTY                   Errno = 0x20000000 | 0xC0000000 | 0x209

	ERROR_NO_INF                                 Errno = 0x20000000 | 0xC0000000 | 0x20A

	ERROR_NO_SUCH_DEVINST                        Errno = 0x20000000 | 0xC0000000 | 0x20B

	ERROR_CANT_LOAD_CLASS_ICON                   Errno = 0x20000000 | 0xC0000000 | 0x20C

	ERROR_INVALID_CLASS_INSTALLER                Errno = 0x20000000 | 0xC0000000 | 0x20D

	ERROR_DI_DO_DEFAULT                          Errno = 0x20000000 | 0xC0000000 | 0x20E

	ERROR_DI_NOFILECOPY                          Errno = 0x20000000 | 0xC0000000 | 0x20F

	ERROR_INVALID_HWPROFILE                      Errno = 0x20000000 | 0xC0000000 | 0x210

	ERROR_NO_DEVICE_SELECTED                     Errno = 0x20000000 | 0xC0000000 | 0x211

	ERROR_DEVINFO_LIST_LOCKED                    Errno = 0x20000000 | 0xC0000000 | 0x212

	ERROR_DEVINFO_DATA_LOCKED                    Errno = 0x20000000 | 0xC0000000 | 0x213

	ERROR_DI_BAD_PATH                            Errno = 0x20000000 | 0xC0000000 | 0x214

	ERROR_NO_CLASSINSTALL_PARAMS                 Errno = 0x20000000 | 0xC0000000 | 0x215

	ERROR_FILEQUEUE_LOCKED                       Errno = 0x20000000 | 0xC0000000 | 0x216

	ERROR_BAD_SERVICE_INSTALLSECT                Errno = 0x20000000 | 0xC0000000 | 0x217

	ERROR_NO_CLASS_DRIVER_LIST                   Errno = 0x20000000 | 0xC0000000 | 0x218

	ERROR_NO_ASSOCIATED_SERVICE                  Errno = 0x20000000 | 0xC0000000 | 0x219

	ERROR_NO_DEFAULT_DEVICE_INTERFACE            Errno = 0x20000000 | 0xC0000000 | 0x21A

	ERROR_DEVICE_INTERFACE_ACTIVE                Errno = 0x20000000 | 0xC0000000 | 0x21B

	ERROR_DEVICE_INTERFACE_REMOVED               Errno = 0x20000000 | 0xC0000000 | 0x21C

	ERROR_BAD_INTERFACE_INSTALLSECT              Errno = 0x20000000 | 0xC0000000 | 0x21D

	ERROR_NO_SUCH_INTERFACE_CLASS                Errno = 0x20000000 | 0xC0000000 | 0x21E

	ERROR_INVALID_REFERENCE_STRING               Errno = 0x20000000 | 0xC0000000 | 0x21F

	ERROR_INVALID_MACHINENAME                    Errno = 0x20000000 | 0xC0000000 | 0x220

	ERROR_REMOTE_COMM_FAILURE                    Errno = 0x20000000 | 0xC0000000 | 0x221

	ERROR_MACHINE_UNAVAILABLE                    Errno = 0x20000000 | 0xC0000000 | 0x222

	ERROR_NO_CONFIGMGR_SERVICES                  Errno = 0x20000000 | 0xC0000000 | 0x223

	ERROR_INVALID_PROPPAGE_PROVIDER              Errno = 0x20000000 | 0xC0000000 | 0x224

	ERROR_NO_SUCH_DEVICE_INTERFACE               Errno = 0x20000000 | 0xC0000000 | 0x225

	ERROR_DI_POSTPROCESSING_REQUIRED             Errno = 0x20000000 | 0xC0000000 | 0x226

	ERROR_INVALID_COINSTALLER                    Errno = 0x20000000 | 0xC0000000 | 0x227

	ERROR_NO_COMPAT_DRIVERS                      Errno = 0x20000000 | 0xC0000000 | 0x228

	ERROR_NO_DEVICE_ICON                         Errno = 0x20000000 | 0xC0000000 | 0x229

	ERROR_INVALID_INF_LOGCONFIG                  Errno = 0x20000000 | 0xC0000000 | 0x22A

	ERROR_DI_DONT_INSTALL                        Errno = 0x20000000 | 0xC0000000 | 0x22B

	ERROR_INVALID_FILTER_DRIVER                  Errno = 0x20000000 | 0xC0000000 | 0x22C

	ERROR_NON_WINDOWS_NT_DRIVER                  Errno = 0x20000000 | 0xC0000000 | 0x22D

	ERROR_NON_WINDOWS_DRIVER                     Errno = 0x20000000 | 0xC0000000 | 0x22E

	ERROR_NO_CATALOG_FOR_OEM_INF                 Errno = 0x20000000 | 0xC0000000 | 0x22F

	ERROR_DEVINSTALL_QUEUE_NONNATIVE             Errno = 0x20000000 | 0xC0000000 | 0x230

	ERROR_NOT_DISABLEABLE                        Errno = 0x20000000 | 0xC0000000 | 0x231

	ERROR_CANT_REMOVE_DEVINST                    Errno = 0x20000000 | 0xC0000000 | 0x232

	ERROR_INVALID_TARGET                         Errno = 0x20000000 | 0xC0000000 | 0x233

	ERROR_DRIVER_NONNATIVE                       Errno = 0x20000000 | 0xC0000000 | 0x234

	ERROR_IN_WOW64                               Errno = 0x20000000 | 0xC0000000 | 0x235

	ERROR_SET_SYSTEM_RESTORE_POINT               Errno = 0x20000000 | 0xC0000000 | 0x236

	ERROR_SCE_DISABLED                           Errno = 0x20000000 | 0xC0000000 | 0x238

	ERROR_UNKNOWN_EXCEPTION                      Errno = 0x20000000 | 0xC0000000 | 0x239

	ERROR_PNP_REGISTRY_ERROR                     Errno = 0x20000000 | 0xC0000000 | 0x23A

	ERROR_REMOTE_REQUEST_UNSUPPORTED             Errno = 0x20000000 | 0xC0000000 | 0x23B

	ERROR_NOT_AN_INSTALLED_OEM_INF               Errno = 0x20000000 | 0xC0000000 | 0x23C

	ERROR_INF_IN_USE_BY_DEVICES                  Errno = 0x20000000 | 0xC0000000 | 0x23D

	ERROR_DI_FUNCTION_OBSOLETE                   Errno = 0x20000000 | 0xC0000000 | 0x23E

	ERROR_NO_AUTHENTICODE_CATALOG                Errno = 0x20000000 | 0xC0000000 | 0x23F

	ERROR_AUTHENTICODE_DISALLOWED                Errno = 0x20000000 | 0xC0000000 | 0x240

	ERROR_AUTHENTICODE_TRUSTED_PUBLISHER         Errno = 0x20000000 | 0xC0000000 | 0x241

	ERROR_AUTHENTICODE_TRUST_NOT_ESTABLISHED     Errno = 0x20000000 | 0xC0000000 | 0x242

	ERROR_AUTHENTICODE_PUBLISHER_NOT_TRUSTED     Errno = 0x20000000 | 0xC0000000 | 0x243

	ERROR_SIGNATURE_OSATTRIBUTE_MISMATCH         Errno = 0x20000000 | 0xC0000000 | 0x244

	ERROR_ONLY_VALIDATE_VIA_AUTHENTICODE         Errno = 0x20000000 | 0xC0000000 | 0x245

	ERROR_DEVICE_INSTALLER_NOT_READY             Errno = 0x20000000 | 0xC0000000 | 0x246

	ERROR_DRIVER_STORE_ADD_FAILED                Errno = 0x20000000 | 0xC0000000 | 0x247

	ERROR_DEVICE_INSTALL_BLOCKED                 Errno = 0x20000000 | 0xC0000000 | 0x248

	ERROR_DRIVER_INSTALL_BLOCKED                 Errno = 0x20000000 | 0xC0000000 | 0x249

	ERROR_WRONG_INF_TYPE                         Errno = 0x20000000 | 0xC0000000 | 0x24A

	ERROR_FILE_HASH_NOT_IN_CATALOG               Errno = 0x20000000 | 0xC0000000 | 0x24B

	ERROR_DRIVER_STORE_DELETE_FAILED             Errno = 0x20000000 | 0xC0000000 | 0x24C

	ERROR_UNRECOVERABLE_STACK_OVERFLOW           Errno = 0x20000000 | 0xC0000000 | 0x300

	EXCEPTION_SPAPI_UNRECOVERABLE_STACK_OVERFLOW Errno = ERROR_UNRECOVERABLE_STACK_OVERFLOW

	ERROR_NO_DEFAULT_INTERFACE_DEVICE            Errno = ERROR_NO_DEFAULT_DEVICE_INTERFACE

	ERROR_INTERFACE_DEVICE_ACTIVE                Errno = ERROR_DEVICE_INTERFACE_ACTIVE

	ERROR_INTERFACE_DEVICE_REMOVED               Errno = ERROR_DEVICE_INTERFACE_REMOVED

	ERROR_NO_SUCH_INTERFACE_DEVICE               Errno = ERROR_NO_SUCH_DEVICE_INTERFACE

)

const (

	MAX_DEVICE_ID_LEN   = 200

	MAX_DEVNODE_ID_LEN  = MAX_DEVICE_ID_LEN

	MAX_GUID_STRING_LEN = 39 // 38 chars + terminator null

	MAX_CLASS_NAME_LEN  = 32

	MAX_PROFILE_LEN     = 80

	MAX_CONFIG_VALUE    = 9999

	MAX_INSTANCE_VALUE  = 9999

	CONFIGMG_VERSION    = 0x0400

)

// Maximum string length constants

const (

	LINE_LEN                    = 256  // Windows 9x-compatible maximum for displayable strings coming from a device INF.

	MAX_INF_STRING_LENGTH       = 4096 // Actual maximum size of an INF string (including string substitutions).

	MAX_INF_SECTION_NAME_LENGTH = 255  // For Windows 9x compatibility, INF section names should be constrained to 32 characters.

	MAX_TITLE_LEN               = 60

	MAX_INSTRUCTION_LEN         = 256

	MAX_LABEL_LEN               = 30

	MAX_SERVICE_NAME_LEN        = 256

	MAX_SUBTITLE_LEN            = 256

)

const (

	// SP_MAX_MACHINENAME_LENGTH defines maximum length of a machine name in the format expected by ConfigMgr32 CM_Connect_Machine (i.e., "\\\\MachineName\0").

	SP_MAX_MACHINENAME_LENGTH = MAX_PATH + 3

)

// HSPFILEQ is type for setup file queue

type HSPFILEQ uintptr

// DevInfo holds reference to device information set

type DevInfo Handle

// DEVINST is a handle usually recognized by cfgmgr32 APIs

type DEVINST uint32

// DevInfoData is a device information structure (references a device instance that is a member of a device information set)

type DevInfoData struct {

	size      uint32

	ClassGUID GUID

	DevInst   DEVINST

	_         uintptr

}

// DevInfoListDetailData is a structure for detailed information on a device information set (used for SetupDiGetDeviceInfoListDetail which supersedes the functionality of SetupDiGetDeviceInfoListClass).

type DevInfoListDetailData struct {

	size                uint32 // Use unsafeSizeOf method

	ClassGUID           GUID

	RemoteMachineHandle Handle

	remoteMachineName   [SP_MAX_MACHINENAME_LENGTH]uint16

}

func (*DevInfoListDetailData) unsafeSizeOf() uint32 {

	if unsafe.Sizeof(uintptr(0)) == 4 {

		// Windows declares this with pshpack1.h

		return uint32(unsafe.Offsetof(DevInfoListDetailData{}.remoteMachineName) + unsafe.Sizeof(DevInfoListDetailData{}.remoteMachineName))

	}

	return uint32(unsafe.Sizeof(DevInfoListDetailData{}))

}

func (data *DevInfoListDetailData) RemoteMachineName() string {

	return UTF16ToString(data.remoteMachineName[:])

}

func (data *DevInfoListDetailData) SetRemoteMachineName(remoteMachineName string) error {

	str, err := UTF16FromString(remoteMachineName)

	if err != nil {

		return err

	}

	copy(data.remoteMachineName[:], str)

	return nil

}

// DI_FUNCTION is function type for device installer

type DI_FUNCTION uint32

const (

	DIF_SELECTDEVICE                   DI_FUNCTION = 0x00000001

	DIF_INSTALLDEVICE                  DI_FUNCTION = 0x00000002

	DIF_ASSIGNRESOURCES                DI_FUNCTION = 0x00000003

	DIF_PROPERTIES                     DI_FUNCTION = 0x00000004

	DIF_REMOVE                         DI_FUNCTION = 0x00000005

	DIF_FIRSTTIMESETUP                 DI_FUNCTION = 0x00000006

	DIF_FOUNDDEVICE                    DI_FUNCTION = 0x00000007

	DIF_SELECTCLASSDRIVERS             DI_FUNCTION = 0x00000008

	DIF_VALIDATECLASSDRIVERS           DI_FUNCTION = 0x00000009

	DIF_INSTALLCLASSDRIVERS            DI_FUNCTION = 0x0000000A

	DIF_CALCDISKSPACE                  DI_FUNCTION = 0x0000000B

	DIF_DESTROYPRIVATEDATA             DI_FUNCTION = 0x0000000C

	DIF_VALIDATEDRIVER                 DI_FUNCTION = 0x0000000D

	DIF_DETECT                         DI_FUNCTION = 0x0000000F

	DIF_INSTALLWIZARD                  DI_FUNCTION = 0x00000010

	DIF_DESTROYWIZARDDATA              DI_FUNCTION = 0x00000011

	DIF_PROPERTYCHANGE                 DI_FUNCTION = 0x00000012

	DIF_ENABLECLASS                    DI_FUNCTION = 0x00000013

	DIF_DETECTVERIFY                   DI_FUNCTION = 0x00000014

	DIF_INSTALLDEVICEFILES             DI_FUNCTION = 0x00000015

	DIF_UNREMOVE                       DI_FUNCTION = 0x00000016

	DIF_SELECTBESTCOMPATDRV            DI_FUNCTION = 0x00000017

	DIF_ALLOW_INSTALL                  DI_FUNCTION = 0x00000018

	DIF_REGISTERDEVICE                 DI_FUNCTION = 0x00000019

	DIF_NEWDEVICEWIZARD_PRESELECT      DI_FUNCTION = 0x0000001A

	DIF_NEWDEVICEWIZARD_SELECT         DI_FUNCTION = 0x0000001B

	DIF_NEWDEVICEWIZARD_PREANALYZE     DI_FUNCTION = 0x0000001C

	DIF_NEWDEVICEWIZARD_POSTANALYZE    DI_FUNCTION = 0x0000001D

	DIF_NEWDEVICEWIZARD_FINISHINSTALL  DI_FUNCTION = 0x0000001E

	DIF_INSTALLINTERFACES              DI_FUNCTION = 0x00000020

	DIF_DETECTCANCEL                   DI_FUNCTION = 0x00000021

	DIF_REGISTER_COINSTALLERS          DI_FUNCTION = 0x00000022

	DIF_ADDPROPERTYPAGE_ADVANCED       DI_FUNCTION = 0x00000023

	DIF_ADDPROPERTYPAGE_BASIC          DI_FUNCTION = 0x00000024

	DIF_TROUBLESHOOTER                 DI_FUNCTION = 0x00000026

	DIF_POWERMESSAGEWAKE               DI_FUNCTION = 0x00000027

	DIF_ADDREMOTEPROPERTYPAGE_ADVANCED DI_FUNCTION = 0x00000028

	DIF_UPDATEDRIVER_UI                DI_FUNCTION = 0x00000029

	DIF_FINISHINSTALL_ACTION           DI_FUNCTION = 0x0000002A

)

// DevInstallParams is device installation parameters structure (associated with a particular device information element, or globally with a device information set)

type DevInstallParams struct {

	size                     uint32

	Flags                    DI_FLAGS

	FlagsEx                  DI_FLAGSEX

	hwndParent               uintptr

	InstallMsgHandler        uintptr

	InstallMsgHandlerContext uintptr

	FileQueue                HSPFILEQ

	_                        uintptr

	_                        uint32

	driverPath               [MAX_PATH]uint16

}

func (params *DevInstallParams) DriverPath() string {

	return UTF16ToString(params.driverPath[:])

}

func (params *DevInstallParams) SetDriverPath(driverPath string) error {

	str, err := UTF16FromString(driverPath)

	if err != nil {

		return err

	}

	copy(params.driverPath[:], str)

	return nil

}

// DI_FLAGS is SP_DEVINSTALL_PARAMS.Flags values

type DI_FLAGS uint32

const (

	// Flags for choosing a device

	DI_SHOWOEM       DI_FLAGS = 0x00000001 // support Other... button

	DI_SHOWCOMPAT    DI_FLAGS = 0x00000002 // show compatibility list

	DI_SHOWCLASS     DI_FLAGS = 0x00000004 // show class list

	DI_SHOWALL       DI_FLAGS = 0x00000007 // both class & compat list shown

	DI_NOVCP         DI_FLAGS = 0x00000008 // don't create a new copy queue--use caller-supplied FileQueue

	DI_DIDCOMPAT     DI_FLAGS = 0x00000010 // Searched for compatible devices

	DI_DIDCLASS      DI_FLAGS = 0x00000020 // Searched for class devices

	DI_AUTOASSIGNRES DI_FLAGS = 0x00000040 // No UI for resources if possible

	// Flags returned by DiInstallDevice to indicate need to reboot/restart

	DI_NEEDRESTART DI_FLAGS = 0x00000080 // Reboot required to take effect

	DI_NEEDREBOOT  DI_FLAGS = 0x00000100 // ""

	// Flags for device installation

	DI_NOBROWSE DI_FLAGS = 0x00000200 // no Browse... in InsertDisk

	// Flags set by DiBuildDriverInfoList

	DI_MULTMFGS DI_FLAGS = 0x00000400 // Set if multiple manufacturers in class driver list

	// Flag indicates that device is disabled

	DI_DISABLED DI_FLAGS = 0x00000800 // Set if device disabled

	// Flags for Device/Class Properties

	DI_GENERALPAGE_ADDED  DI_FLAGS = 0x00001000

	DI_RESOURCEPAGE_ADDED DI_FLAGS = 0x00002000

	// Flag to indicate the setting properties for this Device (or class) caused a change so the Dev Mgr UI probably needs to be updated.

	DI_PROPERTIES_CHANGE DI_FLAGS = 0x00004000

	// Flag to indicate that the sorting from the INF file should be used.

	DI_INF_IS_SORTED DI_FLAGS = 0x00008000

	// Flag to indicate that only the INF specified by SP_DEVINSTALL_PARAMS.DriverPath should be searched.

	DI_ENUMSINGLEINF DI_FLAGS = 0x00010000

	// Flag that prevents ConfigMgr from removing/re-enumerating devices during device

	// registration, installation, and deletion.

	DI_DONOTCALLCONFIGMG DI_FLAGS = 0x00020000

	// The following flag can be used to install a device disabled

	DI_INSTALLDISABLED DI_FLAGS = 0x00040000

	// Flag that causes SetupDiBuildDriverInfoList to build a device's compatible driver

	// list from its existing class driver list, instead of the normal INF search.

	DI_COMPAT_FROM_CLASS DI_FLAGS = 0x00080000

	// This flag is set if the Class Install params should be used.

	DI_CLASSINSTALLPARAMS DI_FLAGS = 0x00100000

	// This flag is set if the caller of DiCallClassInstaller does NOT want the internal default action performed if the Class installer returns ERROR_DI_DO_DEFAULT.

	DI_NODI_DEFAULTACTION DI_FLAGS = 0x00200000

	// Flags for device installation

	DI_QUIETINSTALL        DI_FLAGS = 0x00800000 // don't confuse the user with questions or excess info

	DI_NOFILECOPY          DI_FLAGS = 0x01000000 // No file Copy necessary

	DI_FORCECOPY           DI_FLAGS = 0x02000000 // Force files to be copied from install path

	DI_DRIVERPAGE_ADDED    DI_FLAGS = 0x04000000 // Prop provider added Driver page.

	DI_USECI_SELECTSTRINGS DI_FLAGS = 0x08000000 // Use Class Installer Provided strings in the Select Device Dlg

	DI_OVERRIDE_INFFLAGS   DI_FLAGS = 0x10000000 // Override INF flags

	DI_PROPS_NOCHANGEUSAGE DI_FLAGS = 0x20000000 // No Enable/Disable in General Props

	DI_NOSELECTICONS DI_FLAGS = 0x40000000 // No small icons in select device dialogs

	DI_NOWRITE_IDS DI_FLAGS = 0x80000000 // Don't write HW & Compat IDs on install

)

// DI_FLAGSEX is SP_DEVINSTALL_PARAMS.FlagsEx values

type DI_FLAGSEX uint32

const (

	DI_FLAGSEX_CI_FAILED                DI_FLAGSEX = 0x00000004 // Failed to Load/Call class installer

	DI_FLAGSEX_FINISHINSTALL_ACTION     DI_FLAGSEX = 0x00000008 // Class/co-installer wants to get a DIF_FINISH_INSTALL action in client context.

	DI_FLAGSEX_DIDINFOLIST              DI_FLAGSEX = 0x00000010 // Did the Class Info List

	DI_FLAGSEX_DIDCOMPATINFO            DI_FLAGSEX = 0x00000020 // Did the Compat Info List

	DI_FLAGSEX_FILTERCLASSES            DI_FLAGSEX = 0x00000040

	DI_FLAGSEX_SETFAILEDINSTALL         DI_FLAGSEX = 0x00000080

	DI_FLAGSEX_DEVICECHANGE             DI_FLAGSEX = 0x00000100

	DI_FLAGSEX_ALWAYSWRITEIDS           DI_FLAGSEX = 0x00000200

	DI_FLAGSEX_PROPCHANGE_PENDING       DI_FLAGSEX = 0x00000400 // One or more device property sheets have had changes made to them, and need to have a DIF_PROPERTYCHANGE occur.

	DI_FLAGSEX_ALLOWEXCLUDEDDRVS        DI_FLAGSEX = 0x00000800

	DI_FLAGSEX_NOUIONQUERYREMOVE        DI_FLAGSEX = 0x00001000

	DI_FLAGSEX_USECLASSFORCOMPAT        DI_FLAGSEX = 0x00002000 // Use the device's class when building compat drv list. (Ignored if DI_COMPAT_FROM_CLASS flag is specified.)

	DI_FLAGSEX_NO_DRVREG_MODIFY         DI_FLAGSEX = 0x00008000 // Don't run AddReg and DelReg for device's software (driver) key.

	DI_FLAGSEX_IN_SYSTEM_SETUP          DI_FLAGSEX = 0x00010000 // Installation is occurring during initial system setup.

	DI_FLAGSEX_INET_DRIVER              DI_FLAGSEX = 0x00020000 // Driver came from Windows Update

	DI_FLAGSEX_APPENDDRIVERLIST         DI_FLAGSEX = 0x00040000 // Cause SetupDiBuildDriverInfoList to append a new driver list to an existing list.

	DI_FLAGSEX_PREINSTALLBACKUP         DI_FLAGSEX = 0x00080000 // not used

	DI_FLAGSEX_BACKUPONREPLACE          DI_FLAGSEX = 0x00100000 // not used

	DI_FLAGSEX_DRIVERLIST_FROM_URL      DI_FLAGSEX = 0x00200000 // build driver list from INF(s) retrieved from URL specified in SP_DEVINSTALL_PARAMS.DriverPath (empty string means Windows Update website)

	DI_FLAGSEX_EXCLUDE_OLD_INET_DRIVERS DI_FLAGSEX = 0x00800000 // Don't include old Internet drivers when building a driver list. Ignored on Windows Vista and later.

	DI_FLAGSEX_POWERPAGE_ADDED          DI_FLAGSEX = 0x01000000 // class installer added their own power page

	DI_FLAGSEX_FILTERSIMILARDRIVERS     DI_FLAGSEX = 0x02000000 // only include similar drivers in class list

	DI_FLAGSEX_INSTALLEDDRIVER          DI_FLAGSEX = 0x04000000 // only add the installed driver to the class or compat driver list.  Used in calls to SetupDiBuildDriverInfoList

	DI_FLAGSEX_NO_CLASSLIST_NODE_MERGE  DI_FLAGSEX = 0x08000000 // Don't remove identical driver nodes from the class list

	DI_FLAGSEX_ALTPLATFORM_DRVSEARCH    DI_FLAGSEX = 0x10000000 // Build driver list based on alternate platform information specified in associated file queue

	DI_FLAGSEX_RESTART_DEVICE_ONLY      DI_FLAGSEX = 0x20000000 // only restart the device drivers are being installed on as opposed to restarting all devices using those drivers.

	DI_FLAGSEX_RECURSIVESEARCH          DI_FLAGSEX = 0x40000000 // Tell SetupDiBuildDriverInfoList to do a recursive search

	DI_FLAGSEX_SEARCH_PUBLISHED_INFS    DI_FLAGSEX = 0x80000000 // Tell SetupDiBuildDriverInfoList to do a "published INF" search

)

// ClassInstallHeader is the first member of any class install parameters structure. It contains the device installation request code that defines the format of the rest of the install parameters structure.

type ClassInstallHeader struct {

	size            uint32

	InstallFunction DI_FUNCTION

}

func MakeClassInstallHeader(installFunction DI_FUNCTION) *ClassInstallHeader {

	hdr := &ClassInstallHeader{InstallFunction: installFunction}

	hdr.size = uint32(unsafe.Sizeof(*hdr))

	return hdr

}

// DICS_STATE specifies values indicating a change in a device's state

type DICS_STATE uint32

const (

	DICS_ENABLE     DICS_STATE = 0x00000001 // The device is being enabled.

	DICS_DISABLE    DICS_STATE = 0x00000002 // The device is being disabled.

	DICS_PROPCHANGE DICS_STATE = 0x00000003 // The properties of the device have changed.

	DICS_START      DICS_STATE = 0x00000004 // The device is being started (if the request is for the currently active hardware profile).

	DICS_STOP       DICS_STATE = 0x00000005 // The device is being stopped. The driver stack will be unloaded and the CSCONFIGFLAG_DO_NOT_START flag will be set for the device.

)

// DICS_FLAG specifies the scope of a device property change

type DICS_FLAG uint32

const (

	DICS_FLAG_GLOBAL         DICS_FLAG = 0x00000001 // make change in all hardware profiles

	DICS_FLAG_CONFIGSPECIFIC DICS_FLAG = 0x00000002 // make change in specified profile only

	DICS_FLAG_CONFIGGENERAL  DICS_FLAG = 0x00000004 // 1 or more hardware profile-specific changes to follow (obsolete)

)

// PropChangeParams is a structure corresponding to a DIF_PROPERTYCHANGE install function.

type PropChangeParams struct {

	ClassInstallHeader ClassInstallHeader

	StateChange        DICS_STATE

	Scope              DICS_FLAG

	HwProfile          uint32

}

// DI_REMOVEDEVICE specifies the scope of the device removal

type DI_REMOVEDEVICE uint32

const (

	DI_REMOVEDEVICE_GLOBAL         DI_REMOVEDEVICE = 0x00000001 // Make this change in all hardware profiles. Remove information about the device from the registry.

	DI_REMOVEDEVICE_CONFIGSPECIFIC DI_REMOVEDEVICE = 0x00000002 // Make this change to only the hardware profile specified by HwProfile. this flag only applies to root-enumerated devices. When Windows removes the device from the last hardware profile in which it was configured, Windows performs a global removal.

)

// RemoveDeviceParams is a structure corresponding to a DIF_REMOVE install function.

type RemoveDeviceParams struct {

	ClassInstallHeader ClassInstallHeader

	Scope              DI_REMOVEDEVICE

	HwProfile          uint32