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tun: windows: Adapter devices renamed to WINTUN<LUID Index>

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman
2019-03-22 15:28:33 +01:00
parent 4b1db1d39b
commit 41c30a7279
4 changed files with 63 additions and 52 deletions
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29
tun/wintun/setupapi/setupapi_windows.go
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@@ -7,14 +7,12 @@ package setupapi
import (
"encoding/binary"
"errors"
"fmt"
"syscall"
"unsafe"
"golang.org/x/sys/windows"
"golang.org/x/sys/windows/registry"
"golang.zx2c4.com/wireguard/tun/wintun/guid"
)
//sys setupDiCreateDeviceInfoListEx(classGUID *windows.GUID, hwndParent uintptr, machineName *uint16, reserved uintptr) (handle DevInfo, err error) [failretval==DevInfo(windows.InvalidHandle)] = setupapi.SetupDiCreateDeviceInfoListExW
@@ -236,33 +234,6 @@ func (deviceInfoSet DevInfo) OpenDevRegKey(DeviceInfoData *DevInfoData, Scope DI
return SetupDiOpenDevRegKey(deviceInfoSet, DeviceInfoData, Scope, HwProfile, KeyType, samDesired)
}
// GetInterfaceID method returns network interface ID.
func (deviceInfoSet DevInfo) GetInterfaceID(deviceInfoData *DevInfoData) (*windows.GUID, error) {
// Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\<class>\<id> registry key.
key, err := deviceInfoSet.OpenDevRegKey(deviceInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DRV, registry.READ)
if err != nil {
return nil, errors.New("Device-specific registry key open failed: " + err.Error())
}
defer key.Close()
// Read the NetCfgInstanceId value.
value, valueType, err := key.GetStringValue("NetCfgInstanceId")
if err != nil {
return nil, errors.New("RegQueryStringValue(\"NetCfgInstanceId\") failed: " + err.Error())
}
if valueType != registry.SZ {
return nil, fmt.Errorf("NetCfgInstanceId registry value is not REG_SZ (expected: %v, provided: %v)", registry.SZ, valueType)
}
// Convert to windows.GUID.
ifid, err := guid.FromString(value)
if err != nil {
return nil, fmt.Errorf("NetCfgInstanceId registry value is not a GUID (expected: \"{...}\", provided: %q)", value)
}
return ifid, nil
}
//sys setupDiGetDeviceRegistryProperty(deviceInfoSet DevInfo, deviceInfoData *DevInfoData, property SPDRP, propertyRegDataType *uint32, propertyBuffer *byte, propertyBufferSize uint32, requiredSize *uint32) (err error) = setupapi.SetupDiGetDeviceRegistryPropertyW
// SetupDiGetDeviceRegistryProperty function retrieves a specified Plug and Play device property.