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wintun: use nci.dll directly instead of buggy netshell

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This commit is contained in:
Jason A. Donenfeld 2019-08-21 08:40:44 +02:00
parent ef23100a4f
commit 68fea631d8
5 changed files with 102 additions and 84 deletions
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28
tun/wintun/nci/nci_windows.go Normal file
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@ -0,0 +1,28 @@
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package nci
import "golang.org/x/sys/windows"
//sys nciSetConnectionName(guid *windows.GUID, newName *uint16) (ret error) = nci.NciSetConnectionName
//sys nciGetConnectionName(guid *windows.GUID, destName *uint16, inDestNameBytes uint32, outDestNameBytes *uint32) (ret error) = nci.NciGetConnectionName
func SetConnectionName(guid *windows.GUID, newName string) error {
newName16, err := windows.UTF16PtrFromString(newName)
if err != nil {
return err
}
return nciSetConnectionName(guid, newName16)
}
func ConnectionName(guid *windows.GUID) (string, error) {
var name [0x400]uint16
err := nciGetConnectionName(guid, &name[0], uint32(len(name)*2), nil)
if err != nil {
return "", err
}
return windows.UTF16ToString(name[:]), nil
}