mirror of
https://git.zx2c4.com/wireguard-go
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setupapi: Add support for SetupDi(Get|Set)DeviceRegistryProperty()
Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman
Jason A. Donenfeld
parent
e7ffce0d21
commit
99a3b628e9
@ -6,6 +6,8 @@
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package setupapi
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import (
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"encoding/binary"
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"fmt"
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"syscall"
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"unsafe"
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@ -144,6 +146,95 @@ func (DeviceInfoSet DevInfo) OpenDevRegKey(DeviceInfoData *SP_DEVINFO_DATA, Scop
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return SetupDiOpenDevRegKey(DeviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired)
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}
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//sys setupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyRegDataType *uint32, PropertyBuffer *byte, PropertyBufferSize uint32, RequiredSize *uint32) (err error) = setupapi.SetupDiGetDeviceRegistryPropertyW
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// SetupDiGetDeviceRegistryProperty function retrieves a specified Plug and Play device property.
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func SetupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP) (value interface{}, err error) {
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buf := make([]byte, 0x100)
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var dataType, bufLen uint32
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err = setupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &dataType, &buf[0], uint32(cap(buf)), &bufLen)
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if err == nil {
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// The buffer was sufficiently big.
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return getRegistryValue(buf[:bufLen], dataType)
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}
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if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER {
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// The buffer was too small. Now that we got the required size, create another one big enough and retry.
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buf = make([]byte, bufLen)
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err = setupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &dataType, &buf[0], uint32(cap(buf)), &bufLen)
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if err == nil {
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return getRegistryValue(buf[:bufLen], dataType)
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}
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}
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return
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}
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func getRegistryValue(buf []byte, dataType uint32) (interface{}, error) {
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switch dataType {
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case windows.REG_SZ:
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return windows.UTF16ToString(toUTF16(buf)), nil
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case windows.REG_EXPAND_SZ:
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return registry.ExpandString(windows.UTF16ToString(toUTF16(buf)))
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case windows.REG_BINARY:
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return buf, nil
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case windows.REG_DWORD_LITTLE_ENDIAN:
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return binary.LittleEndian.Uint32(buf), nil
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case windows.REG_DWORD_BIG_ENDIAN:
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return binary.BigEndian.Uint32(buf), nil
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case windows.REG_MULTI_SZ:
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bufW := toUTF16(buf)
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a := []string{}
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for i := 0; i < len(bufW); {
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j := i + wcslen(bufW[i:])
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if i < j {
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a = append(a, windows.UTF16ToString(bufW[i:j]))
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}
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i = j + 1
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}
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return a, nil
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case windows.REG_QWORD_LITTLE_ENDIAN:
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return binary.LittleEndian.Uint64(buf), nil
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default:
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return nil, fmt.Errorf("Unsupported registry value type: %v", dataType)
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}
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}
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func toUTF16(buf []byte) []uint16 {
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sl := struct {
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addr *uint16
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len int
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cap int
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}{(*uint16)(unsafe.Pointer(&buf[0])), len(buf) / 2, cap(buf) / 2}
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return *(*[]uint16)(unsafe.Pointer(&sl))
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}
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func wcslen(str []uint16) int {
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for i := 0; i < len(str); i++ {
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if str[i] == 0 {
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return i
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}
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}
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return len(str)
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}
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// GetDeviceRegistryProperty method retrieves a specified Plug and Play device property.
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func (DeviceInfoSet DevInfo) GetDeviceRegistryProperty(DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP) (value interface{}, err error) {
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return SetupDiGetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property)
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}
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//sys setupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer *byte, PropertyBufferSize uint32) (err error) = setupapi.SetupDiSetDeviceRegistryPropertyW
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// SetupDiSetDeviceRegistryProperty function sets a Plug and Play device property for a device.
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func SetupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer []byte) (err error) {
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return setupDiSetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, &PropertyBuffer[0], uint32(len(PropertyBuffer)))
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}
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// SetDeviceRegistryProperty function sets a Plug and Play device property for a device.
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func (DeviceInfoSet DevInfo) SetDeviceRegistryProperty(DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer []byte) (err error) {
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return SetupDiSetDeviceRegistryProperty(DeviceInfoSet, DeviceInfoData, Property, PropertyBuffer)
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}
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//sys setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) = setupapi.SetupDiGetDeviceInstallParamsW
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// SetupDiGetDeviceInstallParams function retrieves device installation parameters for a device information set or a particular device information element.
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@ -248,9 +339,9 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui
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return
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}
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const bufLen = 4
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var buf [bufLen]windows.GUID
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var bufCount uint32
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const bufCapacity = 4
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var buf [bufCapacity]windows.GUID
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var bufLen uint32
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var machineNameUTF16 *uint16
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if MachineName != "" {
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@ -260,18 +351,18 @@ func SetupDiClassGuidsFromNameEx(ClassName string, MachineName string) (ClassGui
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}
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}
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufCount, machineNameUTF16, 0)
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCapacity, &bufLen, machineNameUTF16, 0)
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if err == nil {
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// The GUID array was sufficiently big. Return its slice.
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return buf[:bufCount], nil
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return buf[:bufLen], nil
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}
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if errWin, ok := err.(syscall.Errno); ok && errWin == windows.ERROR_INSUFFICIENT_BUFFER {
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// The GUID array was too small. Now that we got the required size, create another one big enough and retry.
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buf := make([]windows.GUID, bufCount)
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufCount, &bufCount, machineNameUTF16, 0)
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buf := make([]windows.GUID, bufLen)
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err = setupDiClassGuidsFromNameEx(classNameUTF16, &buf[0], bufLen, &bufLen, machineNameUTF16, 0)
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if err == nil {
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return buf[:bufCount], nil
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return buf[:bufLen], nil
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}
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}
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@ -179,6 +179,56 @@ func TestSetupDiOpenDevRegKey(t *testing.T) {
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}
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}
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func TestSetupDiGetDeviceRegistryProperty(t *testing.T) {
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devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "")
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if err != nil {
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t.Errorf("Error calling SetupDiGetClassDevsEx: %s", err.Error())
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}
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defer devInfoList.Close()
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for i := 0; true; i++ {
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data, err := devInfoList.EnumDeviceInfo(i)
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if err != nil {
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if errWin, ok := err.(syscall.Errno); ok && errWin == 259 /*ERROR_NO_MORE_ITEMS*/ {
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break
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}
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continue
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}
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val, err := devInfoList.GetDeviceRegistryProperty(data, SPDRP_CLASS)
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if err != nil {
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t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CLASS): %s", err.Error())
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} else if class, ok := val.(string); !ok || strings.ToLower(class) != "net" {
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t.Errorf("SetupDiGetDeviceRegistryProperty(SPDRP_CLASS) should return \"Net\"")
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}
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val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_CLASSGUID)
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if err != nil {
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t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CLASSGUID): %s", err.Error())
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} /* TODO: Parse GUID string: else if classGUID, ok := val.(string); !ok || parseGUID(classGUID) != deviceClassNetGUID {
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t.Errorf("SetupDiGetDeviceRegistryProperty(SPDRP_CLASSGUID) should return %x", deviceClassNetGUID)
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}*/
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val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_COMPATIBLEIDS)
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if err != nil {
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// Some devices have no SPDRP_COMPATIBLEIDS.
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if errWin, ok := err.(syscall.Errno); !ok || errWin != 13 /*windows.ERROR_INVALID_DATA*/ {
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t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_COMPATIBLEIDS): %s", err.Error())
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}
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}
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val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_CONFIGFLAGS)
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if err != nil {
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t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_CONFIGFLAGS): %s", err.Error())
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}
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val, err = devInfoList.GetDeviceRegistryProperty(data, SPDRP_DEVICE_POWER_DATA)
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if err != nil {
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t.Errorf("Error calling SetupDiGetDeviceRegistryProperty(SPDRP_DEVICE_POWER_DATA): %s", err.Error())
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}
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}
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}
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func TestSetupDiGetDeviceInstallParams(t *testing.T) {
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devInfoList, err := SetupDiGetClassDevsEx(&deviceClassNetGUID, "", 0, DIGCF_PRESENT, DevInfo(0), "")
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if err != nil {
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@ -269,3 +269,54 @@ const (
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DIREG_DRV DIREG = 0x00000002 // Open/Create/Delete driver key
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DIREG_BOTH DIREG = 0x00000004 // Delete both driver and Device key
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)
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//
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// SPDRP specifies device registry property codes
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// (Codes marked as read-only (R) may only be used for
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// SetupDiGetDeviceRegistryProperty)
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//
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// These values should cover the same set of registry properties
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// as defined by the CM_DRP codes in cfgmgr32.h.
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//
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// Note that SPDRP codes are zero based while CM_DRP codes are one based!
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//
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type SPDRP uint32
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const (
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SPDRP_DEVICEDESC SPDRP = 0x00000000 // DeviceDesc (R/W)
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SPDRP_HARDWAREID SPDRP = 0x00000001 // HardwareID (R/W)
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SPDRP_COMPATIBLEIDS SPDRP = 0x00000002 // CompatibleIDs (R/W)
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SPDRP_SERVICE SPDRP = 0x00000004 // Service (R/W)
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SPDRP_CLASS SPDRP = 0x00000007 // Class (R--tied to ClassGUID)
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SPDRP_CLASSGUID SPDRP = 0x00000008 // ClassGUID (R/W)
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SPDRP_DRIVER SPDRP = 0x00000009 // Driver (R/W)
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SPDRP_CONFIGFLAGS SPDRP = 0x0000000A // ConfigFlags (R/W)
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SPDRP_MFG SPDRP = 0x0000000B // Mfg (R/W)
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SPDRP_FRIENDLYNAME SPDRP = 0x0000000C // FriendlyName (R/W)
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SPDRP_LOCATION_INFORMATION SPDRP = 0x0000000D // LocationInformation (R/W)
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SPDRP_PHYSICAL_DEVICE_OBJECT_NAME SPDRP = 0x0000000E // PhysicalDeviceObjectName (R)
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SPDRP_CAPABILITIES SPDRP = 0x0000000F // Capabilities (R)
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SPDRP_UI_NUMBER SPDRP = 0x00000010 // UiNumber (R)
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SPDRP_UPPERFILTERS SPDRP = 0x00000011 // UpperFilters (R/W)
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SPDRP_LOWERFILTERS SPDRP = 0x00000012 // LowerFilters (R/W)
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SPDRP_BUSTYPEGUID SPDRP = 0x00000013 // BusTypeGUID (R)
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SPDRP_LEGACYBUSTYPE SPDRP = 0x00000014 // LegacyBusType (R)
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SPDRP_BUSNUMBER SPDRP = 0x00000015 // BusNumber (R)
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SPDRP_ENUMERATOR_NAME SPDRP = 0x00000016 // Enumerator Name (R)
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SPDRP_SECURITY SPDRP = 0x00000017 // Security (R/W, binary form)
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SPDRP_SECURITY_SDS SPDRP = 0x00000018 // Security (W, SDS form)
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SPDRP_DEVTYPE SPDRP = 0x00000019 // Device Type (R/W)
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SPDRP_EXCLUSIVE SPDRP = 0x0000001A // Device is exclusive-access (R/W)
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SPDRP_CHARACTERISTICS SPDRP = 0x0000001B // Device Characteristics (R/W)
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SPDRP_ADDRESS SPDRP = 0x0000001C // Device Address (R)
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SPDRP_UI_NUMBER_DESC_FORMAT SPDRP = 0x0000001D // UiNumberDescFormat (R/W)
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SPDRP_DEVICE_POWER_DATA SPDRP = 0x0000001E // Device Power Data (R)
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SPDRP_REMOVAL_POLICY SPDRP = 0x0000001F // Removal Policy (R)
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SPDRP_REMOVAL_POLICY_HW_DEFAULT SPDRP = 0x00000020 // Hardware Removal Policy (R)
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SPDRP_REMOVAL_POLICY_OVERRIDE SPDRP = 0x00000021 // Removal Policy Override (RW)
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SPDRP_INSTALL_STATE SPDRP = 0x00000022 // Device Install State (R)
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SPDRP_LOCATION_PATHS SPDRP = 0x00000023 // Device Location Paths (R)
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SPDRP_BASE_CONTAINERID SPDRP = 0x00000024 // Base ContainerID (R)
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SPDRP_MAXIMUM_PROPERTY SPDRP = 0x00000025 // Upper bound on ordinals
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)
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@ -39,22 +39,24 @@ func errnoErr(e syscall.Errno) error {
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var (
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modsetupapi = windows.NewLazySystemDLL("setupapi.dll")
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procSetupDiCreateDeviceInfoListExW = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW")
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procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW")
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procSetupDiCreateDeviceInfoW = modsetupapi.NewProc("SetupDiCreateDeviceInfoW")
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procSetupDiEnumDeviceInfo = modsetupapi.NewProc("SetupDiEnumDeviceInfo")
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procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList")
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procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW")
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procSetupDiCallClassInstaller = modsetupapi.NewProc("SetupDiCallClassInstaller")
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procSetupDiOpenDevRegKey = modsetupapi.NewProc("SetupDiOpenDevRegKey")
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procSetupDiGetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiGetDeviceInstallParamsW")
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procSetupDiGetClassInstallParamsW = modsetupapi.NewProc("SetupDiGetClassInstallParamsW")
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procSetupDiSetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiSetDeviceInstallParamsW")
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procSetupDiSetClassInstallParamsW = modsetupapi.NewProc("SetupDiSetClassInstallParamsW")
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procSetupDiClassNameFromGuidExW = modsetupapi.NewProc("SetupDiClassNameFromGuidExW")
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procSetupDiClassGuidsFromNameExW = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW")
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procSetupDiGetSelectedDevice = modsetupapi.NewProc("SetupDiGetSelectedDevice")
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procSetupDiSetSelectedDevice = modsetupapi.NewProc("SetupDiSetSelectedDevice")
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procSetupDiCreateDeviceInfoListExW = modsetupapi.NewProc("SetupDiCreateDeviceInfoListExW")
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procSetupDiGetDeviceInfoListDetailW = modsetupapi.NewProc("SetupDiGetDeviceInfoListDetailW")
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procSetupDiCreateDeviceInfoW = modsetupapi.NewProc("SetupDiCreateDeviceInfoW")
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procSetupDiEnumDeviceInfo = modsetupapi.NewProc("SetupDiEnumDeviceInfo")
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procSetupDiDestroyDeviceInfoList = modsetupapi.NewProc("SetupDiDestroyDeviceInfoList")
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procSetupDiGetClassDevsExW = modsetupapi.NewProc("SetupDiGetClassDevsExW")
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procSetupDiCallClassInstaller = modsetupapi.NewProc("SetupDiCallClassInstaller")
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procSetupDiOpenDevRegKey = modsetupapi.NewProc("SetupDiOpenDevRegKey")
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procSetupDiGetDeviceRegistryPropertyW = modsetupapi.NewProc("SetupDiGetDeviceRegistryPropertyW")
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procSetupDiSetDeviceRegistryPropertyW = modsetupapi.NewProc("SetupDiSetDeviceRegistryPropertyW")
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procSetupDiGetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiGetDeviceInstallParamsW")
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procSetupDiGetClassInstallParamsW = modsetupapi.NewProc("SetupDiGetClassInstallParamsW")
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procSetupDiSetDeviceInstallParamsW = modsetupapi.NewProc("SetupDiSetDeviceInstallParamsW")
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procSetupDiSetClassInstallParamsW = modsetupapi.NewProc("SetupDiSetClassInstallParamsW")
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procSetupDiClassNameFromGuidExW = modsetupapi.NewProc("SetupDiClassNameFromGuidExW")
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procSetupDiClassGuidsFromNameExW = modsetupapi.NewProc("SetupDiClassGuidsFromNameExW")
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procSetupDiGetSelectedDevice = modsetupapi.NewProc("SetupDiGetSelectedDevice")
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procSetupDiSetSelectedDevice = modsetupapi.NewProc("SetupDiSetSelectedDevice")
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)
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func setupDiCreateDeviceInfoListEx(ClassGUID *windows.GUID, hwndParent uintptr, MachineName *uint16, Reserved uintptr) (handle DevInfo, err error) {
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@ -156,6 +158,30 @@ func setupDiOpenDevRegKey(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA
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return
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}
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func setupDiGetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyRegDataType *uint32, PropertyBuffer *byte, PropertyBufferSize uint32, RequiredSize *uint32) (err error) {
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r1, _, e1 := syscall.Syscall9(procSetupDiGetDeviceRegistryPropertyW.Addr(), 7, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(Property), uintptr(unsafe.Pointer(PropertyRegDataType)), uintptr(unsafe.Pointer(PropertyBuffer)), uintptr(PropertyBufferSize), uintptr(unsafe.Pointer(RequiredSize)), 0, 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func setupDiSetDeviceRegistryProperty(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, Property SPDRP, PropertyBuffer *byte, PropertyBufferSize uint32) (err error) {
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r1, _, e1 := syscall.Syscall6(procSetupDiSetDeviceRegistryPropertyW.Addr(), 5, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(Property), uintptr(unsafe.Pointer(PropertyBuffer)), uintptr(PropertyBufferSize), 0)
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if r1 == 0 {
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if e1 != 0 {
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err = errnoErr(e1)
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} else {
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err = syscall.EINVAL
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}
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}
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return
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}
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func setupDiGetDeviceInstallParams(DeviceInfoSet DevInfo, DeviceInfoData *SP_DEVINFO_DATA, DeviceInstallParams *_SP_DEVINSTALL_PARAMS) (err error) {
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r1, _, e1 := syscall.Syscall(procSetupDiGetDeviceInstallParamsW.Addr(), 3, uintptr(DeviceInfoSet), uintptr(unsafe.Pointer(DeviceInfoData)), uintptr(unsafe.Pointer(DeviceInstallParams)))
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if r1 == 0 {
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