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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
*/
package conf
import (
"strings"
"golang.org/x/sys/windows/registry"
)
const adminRegKey = `Software\WireGuard`
var adminKey registry.Key
func openAdminKey() (registry.Key, error) {
if adminKey != 0 {
return adminKey, nil
}
var err error
adminKey, err = registry.OpenKey(registry.LOCAL_MACHINE, adminRegKey, registry.QUERY_VALUE|registry.WOW64_64KEY)
if err != nil {
return 0, err
}
return adminKey, nil
}
func IsInsiderEnrolled() bool {
if AdminBool("IgnoreInsiderProgram") {
return false
}
key, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\WindowsSelfHost\Applicability`, registry.QUERY_VALUE)
if err != nil {
return false
}
defer key.Close()
val, _, err := key.GetIntegerValue("IsBuildFlightingEnabled")
if err != nil || val != 1 {
return false
}
val, _, err = key.GetIntegerValue("EnablePreviewBuilds")
if err != nil || val != 1 {
return false
}
ring, _, err := key.GetStringValue("Ring")
if err != nil || !strings.EqualFold(ring, "external") {
return false
}
return true
}
func AdminBool(name string) bool {
if name == "ExperimentalKernelDriver" && IsInsiderEnrolled() {
return true
}
key, err := openAdminKey()
if err != nil {
return false
}
val, _, err := key.GetIntegerValue(name)
if err != nil {
return false
}
return val != 0
}
func SetAdminBool(name string, val bool) error {
key, _, err := registry.CreateKey(registry.LOCAL_MACHINE, adminRegKey, registry.SET_VALUE|registry.WOW64_64KEY)
if err != nil {
return err
}
defer key.Close()
if val {
return key.SetDWordValue(name, 1)
} else {
return key.DeleteValue(name)
}
}
|
