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wintun: call HrRenameConnection in another thread

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This commit is contained in:
Jason A. Donenfeld 2019-05-10 21:31:37 +02:00
parent 2d847a38a2
commit 5669ed326f
1 changed files with 3 additions and 2 deletions
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5
tun/wintun/wintun_windows.go
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@ -513,10 +513,11 @@ func (wintun *Wintun) GetInterfaceName() (string, error) {
//
func (wintun *Wintun) SetInterfaceName(ifname string) error {
// We have to tell the various runtime COM services about the new name too. We ignore the
// error because netshell isn't available on servercore.
// error because netshell isn't available on servercore. It's also slow, so we run it in a
// separate thread.
// TODO: netsh.exe falls back to NciSetConnection in this case. If somebody complains, maybe
// we should do the same.
_ = netshell.HrRenameConnection(&wintun.CfgInstanceID, windows.StringToUTF16Ptr(ifname))
go netshell.HrRenameConnection(&wintun.CfgInstanceID, windows.StringToUTF16Ptr(ifname))
// Set the interface name. The above line should have done this too, but in case it failed, we force it.
key, err := registry.OpenKey(registry.LOCAL_MACHINE, wintun.GetNetRegKeyName(), registry.SET_VALUE)