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Add support for setupapi.SetupDiCreateDeviceInfo()

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-04 11:52:42 +01:00 committed by Jason A. Donenfeld
parent 024a4916c2
commit dd998ca86a
4 changed files with 67 additions and 1 deletions
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22
setupapi/setupapi_windows.go
View file

@ -15,6 +15,7 @@ import (
//sys setupDiClassNameFromGuidEx(ClassGUID *windows.GUID, ClassName *uint16, ClassNameSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassNameFromGuidExW
//sys setupDiClassGuidsFromNameEx(ClassName *uint16, ClassGuidList *windows.GUID, ClassGuidListSize uint32, RequiredSize *uint32, MachineName *uint16, Reserved uintptr) (err error) = setupapi.SetupDiClassGuidsFromNameExW
//sys setupDiCreateDeviceInfo(DeviceInfoSet DevInfo, DeviceName *uint16, ClassGUID *windows.GUID, DeviceDescription *uint16, hwndParent uintptr, CreationFlags DICD, DeviceInfoData *SP_DEVINFO_DATA) (err error) = setupapi.SetupDiCreateDeviceInfoW
//sys setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiCreateDeviceInfoListExW
//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
//sys SetupDiDestroyDeviceInfoList(DeviceInfoSet DevInfo) (err error) = setupapi.SetupDiDestroyDeviceInfoList
@ -85,6 +86,27 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui
return
}
// 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 *SP_DEVINFO_DATA, err error) {
deviceNameUTF16, err := syscall.UTF16PtrFromString(DeviceName)
if err != nil {
return
}
var deviceDescriptionUTF16 *uint16
if DeviceDescription != "" {
deviceDescriptionUTF16, err = syscall.UTF16PtrFromString(DeviceDescription)
if err != nil {
return
}
}
data := SP_DEVINFO_DATA{}
data.Size = uint32(unsafe.Sizeof(data))
return &data, setupDiCreateDeviceInfo(DeviceInfoSet, deviceNameUTF16, ClassGUID, deviceDescriptionUTF16, hwndParent, CreationFlags, &data)
}
// 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) (handle DevInfo, err error) {
var machineNameUTF16 *uint16

23
setupapi/setupapi_windows_test.go
View file

@ -70,6 +70,29 @@ func TestSetupDiClassGuidsFromNameEx(t *testing.T) {
}
}
func TestSetupDiCreateDeviceInfo(t *testing.T) {
devInfoList, err := SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, 0, computerName)
if err != nil {
t.Errorf("Error calling SetupDiCreateDeviceInfoListEx: %s", err.Error())
}
defer devInfoList.Close()
deviceClassNetName, err := SetupDiClassNameFromGuidEx(&deviceClassNetGUID, computerName)
if err != nil {
t.Errorf("Error calling SetupDiClassNameFromGuidEx: %s", err.Error())
}
devInfoData, err := SetupDiCreateDeviceInfo(devInfoList, deviceClassNetName, &deviceClassNetGUID, "This is a test device", 0, DICD_GENERATE_ID)
if err != nil {
// Access denied is expected, as the SetupDiCreateDeviceInfo() require elevation to succeed.
if errWin, ok := err.(syscall.Errno); !ok || errWin != windows.ERROR_ACCESS_DENIED {
t.Errorf("Error calling SetupDiCreateDeviceInfo: %s", err.Error())
}
} else if devInfoData.ClassGUID != deviceClassNetGUID {
t.Error("SetupDiCreateDeviceInfo returned different class GUID")
}
}
func TestSetupDiCreateDeviceInfoListEx(t *testing.T) {
devInfoList, err := SetupDiCreateDeviceInfoListEx(&deviceClassNetGUID, 0, "")
if err == nil {

10
setupapi/types_windows.go
View file

@ -20,7 +20,15 @@ const (
CONFIGMG_VERSION = 0x0400
)
// DIGCF flags controll what is included in the device information set built by SetupDiGetClassDevs
// DICD flags control SetupDiCreateDeviceInfo
type DICD uint32
const (
DICD_GENERATE_ID DICD = 0x00000001
DICD_INHERIT_CLASSDRVS DICD = 0x00000002
)
// DIGCF flags control what is included in the device information set built by SetupDiGetClassDevs
type DIGCF uint32
const (

13
setupapi/zsetupapi_windows.go
View file

@ -41,6 +41,7 @@ var (
procSetupDiClassNameFromGuidExW = modsetupapi.NewProc("SetupDiClassNameFromGuidExW")
procSetupDiClassGuidsFromNameExW = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW")
procSetupDiCreateDeviceInfoW = modsetupapi.NewProc("SetupDiCreateDeviceInfoW")
procSetupDiCreateDeviceInfoListExW = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW")
procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW")
procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList")
@ -78,6 +79,18 @@ func setupDiClassGuidsFromNameEx(ClassName *uint16, ClassGuidList *windows.GUID,
return
}
func setupDiCreateDeviceInfo(DeviceInfoSet DevInfo, DeviceName *uint16, ClassGUID *windows.GUID, DeviceDescription *uint16, hwndParent uintptr, CreationFlags DICD, DeviceInfoData *SP_DEVINFO_DATA) (err error) {
r1, _, e1 := syscall.Syscall9(procSetupDiCreateDeviceInfoW.Addr(), 7, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceName)), uintptr(unsafe.Pointer(ClassGUID)), uintptr(unsafe.Pointer(DeviceDescription)), uintptr(hwndParent), uintptr(CreationFlags), uintptr(unsafe.Pointer(DeviceInfoData)), 0, 0)
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}
func setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) {
r0, _, e1 := syscall.Syscall6(procSetupDiCreateDeviceInfoListExW.Addr(), 4, uintptr(unsafe.Pointer(ClassGUID)), uintptr(hwndParent), uintptr(unsafe.Pointer(MachineName)), uintptr(Reserved), 0, 0)
handle = DevInfo(r0)