Introduce SetupAPI - Windows device and driver management API

Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-01-31 15:20:11 +01:00 committed by Jason A. Donenfeld
parent 6f76edd045
commit 31949136df
4 changed files with 120 additions and 0 deletions

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setupapi/mksyscall.go Normal file
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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package setupapi
//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsetupapi_windows.go setupapi_windows.go

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setupapi/setupapi.go Normal file
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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package setupapi

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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package setupapi
import (
"golang.org/x/sys/windows"
)
const (
SP_MAX_MACHINENAME_LENGTH = windows.MAX_PATH + 3
)
type DIGCF uint32
const (
Default DIGCF = 0x00000001
Present DIGCF = 0x00000002
AllClasses DIGCF = 0x00000004
Profile DIGCF = 0x00000008
DeviceInterface DIGCF = 0x00000010
InterfaceDevice DIGCF = 0x00000010
)
type DevInfo windows.Handle
//sys setupDiGetClassDevsEx(ClassGuid *windows.GUID, Enumerator *string, hwndParent uintptr, Flags uint32, DeviceInfoSet uintptr, MachineName string, reserved uint32) (handle windows.Handle, err error) = setupapi.SetupDiGetClassDevsExW
// The 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) (DevInfo, error) {
enumerator := &Enumerator
if Enumerator == "" {
enumerator = nil
}
h, err := setupDiGetClassDevsEx(ClassGuid, enumerator, hwndParent, uint32(Flags), uintptr(DeviceInfoSet), MachineName, 0)
return DevInfo(h), err
}

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// Code generated by 'go generate'; DO NOT EDIT.
package setupapi
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modsetupapi = windows.NewLazySystemDLL("setupapi.dll")
procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW")
)
func setupDiGetClassDevsEx(ClassGuid *windows.GUID, Enumerator *string, hwndParent uintptr, Flags uint32, DeviceInfoSet uintptr, MachineName string, reserved uint32) (handle windows.Handle, err error) {
var _p0 *uint16
_p0, err = syscall.UTF16PtrFromString(MachineName)
if err != nil {
return
}
return _setupDiGetClassDevsEx(ClassGuid, Enumerator, hwndParent, Flags, DeviceInfoSet, _p0, reserved)
}
func _setupDiGetClassDevsEx(ClassGuid *windows.GUID, Enumerator *string, hwndParent uintptr, Flags uint32, DeviceInfoSet uintptr, MachineName *uint16, reserved uint32) (handle windows.Handle, err error) {
r0, _, e1 := syscall.Syscall9(procSetupDiGetClassDevsExW.Addr(), 7, uintptr(unsafe.Pointer(ClassGuid)), uintptr(unsafe.Pointer(Enumerator)), uintptr(hwndParent), uintptr(Flags), uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(MachineName)), uintptr(reserved), 0, 0)
handle = windows.Handle(r0)
if handle == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}