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Add support for setupapi.SetupDiEnumDeviceInfo()

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-02-01 12:17:09 +01:00 committed by Jason A. Donenfeld
parent 25e18d01e6
commit 955d8dfe04
4 changed files with 83 additions and 18 deletions
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22
setupapi/setupapi_windows.go
View file

@ -14,7 +14,8 @@ import (
//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
//sys setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *SP_DEVINFO_LIST_DETAIL_DATA) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
//sys setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) = setupapi.SetupDiGetDeviceInfoListDetailW
//sys setupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex uint32, DeviceInfoData *_SP_DEVINFO_DATA) (err error) = setupapi.SetupDiEnumDeviceInfo
// 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) {
@ -37,7 +38,7 @@ func SetupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator string, hwndParen
// 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) (data *DevInfoListDetailData, err error) {
var _p0 SP_DEVINFO_LIST_DETAIL_DATA
var _p0 _SP_DEVINFO_LIST_DETAIL_DATA
_p0.Size = uint32(unsafe.Sizeof(_p0))
err = setupDiGetDeviceInfoListDetail(DeviceInfoSet, &_p0)
@ -52,3 +53,20 @@ func SetupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo) (data *DevInfoListDet
}
return
}
// SetupDiEnumDeviceInfo function returns a SP_DEVINFO_DATA structure that specifies a device information element in a device information set.
func SetupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex int) (data *DevInfoData, err error) {
var _p0 _SP_DEVINFO_DATA
_p0.Size = uint32(unsafe.Sizeof(_p0))
err = setupDiEnumDeviceInfo(DeviceInfoSet, uint32(MemberIndex), &_p0)
if err != nil {
return
}
data = &DevInfoData{
ClassGUID: _p0.ClassGUID,
DevInst: _p0.DevInst,
}
return
}

48
setupapi/setupapi_windows_test.go
View file

@ -12,7 +12,7 @@ import (
"golang.org/x/sys/windows"
)
var guidDeviceClassNet = windows.GUID{0x4d36e972, 0xe325, 0x11ce, [8]byte{0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}}
var deviceClassNetGUID = windows.GUID{0x4d36e972, 0xe325, 0x11ce, [8]byte{0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18}}
var computerName string
func init() {
@ -20,16 +20,16 @@ func init() {
}
func TestSetupDiGetClassDevsEx(t *testing.T) {
dev_info_list, err := SetupDiGetClassDevsEx(&guidDeviceClassNet, "PCI", 0, DIGCF_PRESENT, DevInfo(0), computerName)
devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "PCI", 0, DIGCF_PRESENT, DevInfo(0), computerName)
if err == nil {
dev_info_list.Close()
devInfoList.Close()
} else {
t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error())
}
dev_info_list, err = SetupDiGetClassDevsEx(nil, "", 0, DIGCF_PRESENT, DevInfo(0), "")
devInfoList, err = SetupDiGetClassDevsEx(nil, "", 0, DIGCF_PRESENT, DevInfo(0), "")
if err == nil {
dev_info_list.Close()
devInfoList.Close()
t.Errorf("SetupDiGetClassDevsEx(nil, ...) should fail")
} else {
if errWin, ok := err.(syscall.Errno); !ok || errWin != 87 /*ERROR_INVALID_PARAMETER*/ {
@ -39,18 +39,18 @@ func TestSetupDiGetClassDevsEx(t *testing.T) {
}
func TestSetupDiGetDeviceInfoListDetailLocal(t *testing.T) {
dev_info_list, err := SetupDiGetClassDevsEx(&guidDeviceClassNet, "", 0, DIGCF_PRESENT, DevInfo(0), "")
devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "")
if err != nil {
t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error())
}
defer SetupDiDestroyDeviceInfoList(dev_info_list)
defer SetupDiDestroyDeviceInfoList(devInfoList)
data, err := SetupDiGetDeviceInfoListDetail(dev_info_list)
data, err := SetupDiGetDeviceInfoListDetail(devInfoList)
if err != nil {
t.Errorf("Error calling SetupDiGetDeviceInfoListDetail: %s", err.Error())
}
if data.ClassGUID != guidDeviceClassNet {
if data.ClassGUID != deviceClassNetGUID {
t.Error("SetupDiGetDeviceInfoListDetail returned different class GUID")
}
@ -64,18 +64,18 @@ func TestSetupDiGetDeviceInfoListDetailLocal(t *testing.T) {
}
func TestSetupDiGetDeviceInfoListDetailRemote(t *testing.T) {
dev_info_list, err := SetupDiGetClassDevsEx(&guidDeviceClassNet, "", 0, DIGCF_PRESENT, DevInfo(0), computerName)
devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), computerName)
if err != nil {
t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error())
}
defer SetupDiDestroyDeviceInfoList(dev_info_list)
defer SetupDiDestroyDeviceInfoList(devInfoList)
data, err := SetupDiGetDeviceInfoListDetail(dev_info_list)
data, err := SetupDiGetDeviceInfoListDetail(devInfoList)
if err != nil {
t.Errorf("Error calling SetupDiGetDeviceInfoListDetail: %s", err.Error())
}
if data.ClassGUID != guidDeviceClassNet {
if data.ClassGUID != deviceClassNetGUID {
t.Error("SetupDiGetDeviceInfoListDetail returned different class GUID")
}
@ -87,3 +87,25 @@ func TestSetupDiGetDeviceInfoListDetailRemote(t *testing.T) {
t.Error("SetupDiGetDeviceInfoListDetail returned different remote machine name")
}
}
func TestSetupDiEnumDeviceInfo(t *testing.T) {
devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "")
if err != nil {
t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error())
}
defer SetupDiDestroyDeviceInfoList(devInfoList)
for i := 0; true; i++ {
data, err := SetupDiEnumDeviceInfo(devInfoList, i)
if err != nil {
if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
break
}
continue
}
if data.ClassGUID != deviceClassNetGUID {
t.Error("SetupDiEnumDeviceInfo returned different class GUID")
}
}
}

16
setupapi/types_windows.go
View file

@ -37,8 +37,7 @@ const (
SP_MAX_MACHINENAME_LENGTH = windows.MAX_PATH + 3
)
// SP_DEVINFO_LIST_DETAIL_DATA is a structure for detailed information on a device information set (used for SetupDiGetDeviceInfoListDetail which supercedes the functionality of SetupDiGetDeviceInfoListClass).
type SP_DEVINFO_LIST_DETAIL_DATA struct {
type _SP_DEVINFO_LIST_DETAIL_DATA struct {
Size uint32
ClassGUID windows.GUID
RemoteMachineHandle windows.Handle
@ -51,3 +50,16 @@ type DevInfoListDetailData struct {
RemoteMachineHandle windows.Handle
RemoteMachineName string
}
type _SP_DEVINFO_DATA struct {
Size uint32
ClassGUID windows.GUID
DevInst uint32 // DEVINST handle
_ uintptr
}
// DevInfoData is a device information structure (references a device instance that is a member of a device information set)
type DevInfoData struct {
ClassGUID windows.GUID
DevInst uint32 // DEVINST handle
}

15
setupapi/zsetupapi_windows.go
View file

@ -42,6 +42,7 @@ var (
procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW")
procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList")
procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW")
procSetupDiEnumDeviceInfo = modsetupapi.NewProc("SetupDiEnumDeviceInfo")
)
func setupDiGetClassDevsEx(ClassGUID *windows.GUID, Enumerator *uint16, hwndParent uintptr, Flags DIGCF, DeviceInfoSet DevInfo, MachineName *uint16, reserved uintptr) (handle DevInfo, err error) {
@ -69,7 +70,7 @@ func SetupDiDestroyDeviceInfoList(DeviceInfoSet DevInfo) (err error) {
return
}
func setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *SP_DEVINFO_LIST_DETAIL_DATA) (err error) {
func setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailData *_SP_DEVINFO_LIST_DETAIL_DATA) (err error) {
r1, _, e1 := syscall.Syscall(procSetupDiGetDeviceInfoListDetailW.Addr(), 2, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoSetDetailData)), 0)
if r1 == 0 {
if e1 != 0 {
@ -80,3 +81,15 @@ func setupDiGetDeviceInfoListDetail(DeviceInfoSet DevInfo, DeviceInfoSetDetailDa
}
return
}
func setupDiEnumDeviceInfo(DeviceInfoSet DevInfo, MemberIndex uint32, DeviceInfoData *_SP_DEVINFO_DATA) (err error) {
r1, _, e1 := syscall.Syscall(procSetupDiEnumDeviceInfo.Addr(), 3, uintptr(DeviceInfoSet), uintptr(MemberIndex), uintptr(unsafe.Pointer(DeviceInfoData)))
if r1 == 0 {
if e1 != 0 {
err = errnoErr(e1)
} else {
err = syscall.EINVAL
}
}
return
}