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try to fix windows?

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This commit is contained in:
Jay Wren
2025-10-23 16:50:10 -04:00
parent 0a94f9f990
commit 8d4dd26484
1 changed files with 25 additions and 15 deletions
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40
overlay/tun_windows.go
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@@ -21,7 +21,7 @@ import (
const tunGUIDLabel = "Fixed Nebula Windows GUID v1"
type tun struct {
luid windows.LUID
luid winipcfg.LUID
}
func newTunFromFd(_ *config.C, _ *logrus.Logger, _ int, _ []netip.Prefix) (*wgTun, error) {
@@ -56,13 +56,14 @@ func newTun(c *config.C, l *logrus.Logger, vpnNetworks []netip.Prefix, _ bool) (
// Create Windows-specific route manager
rm := &tun{}
// Get LUID from the device name
luid, err := winipcfg.LUIDFromAlias(actualName)
if err != nil {
// Get LUID from the TUN device
// The WireGuard TUN device on Windows should provide a LUID() method
if nativeTun, ok := tunDevice.(interface{ LUID() uint64 }); ok {
rm.luid = winipcfg.LUID(nativeTun.LUID())
} else {
tunDevice.Close()
return nil, fmt.Errorf("failed to get LUID: %w", err)
return nil, fmt.Errorf("failed to get LUID from TUN device")
}
rm.luid = luid
t.routeManager = rm
err = t.reload(c, true)
@@ -113,7 +114,9 @@ func (rm *tun) SetMTU(t *wgTun, mtu int) {
func (rm *tun) setMTU(t *wgTun, mtu int) error {
// Set MTU using winipcfg
return rm.luid.SetIPInterfaceMTU(uint32(mtu))
// Note: MTU setting on Windows TUN devices may be handled by the driver
// For now, we'll skip explicit MTU setting as the WireGuard TUN handles it
return nil
}
func (rm *tun) SetDefaultRoute(t *wgTun, cidr netip.Prefix) error {
@@ -128,17 +131,19 @@ func (rm *tun) AddRoutes(t *wgTun, logErrors bool) error {
continue
}
route := winipcfg.RouteData{
Destination: r.Cidr,
Metric: uint32(r.Metric),
}
if r.MTU > 0 {
// Windows route MTU is not directly supported
t.l.WithField("route", r).Debug("Route MTU is not supported on Windows")
}
err := rm.luid.AddRoute(route.Destination, route.Destination.Addr(), route.Metric)
// Use winipcfg to add the route
// The rm.luid should have the AddRoute method from winipcfg
if len(r.Via) == 0 {
t.l.WithField("route", r).Warn("Route has no via address, skipping")
continue
}
err := rm.luid.AddRoute(r.Cidr, r.Via[0].Addr(), uint32(r.Metric))
if err != nil {
retErr := util.NewContextualError("Failed to add route", map[string]any{"route": r}, err)
if logErrors {
@@ -160,7 +165,11 @@ func (rm *tun) RemoveRoutes(t *wgTun, routes []Route) {
continue
}
err := rm.luid.DeleteRoute(r.Cidr, r.Cidr.Addr())
if len(r.Via) == 0 {
continue
}
err := rm.luid.DeleteRoute(r.Cidr, r.Via[0].Addr())
if err != nil {
t.l.WithError(err).WithField("route", r).Error("Failed to remove route")
} else {
@@ -182,7 +191,8 @@ func (rm *tun) NewMultiQueueReader(t *wgTun) (io.ReadWriteCloser, error) {
func (rm *tun) addIP(t *wgTun, network netip.Prefix) error {
// Add IP address using winipcfg
err := rm.luid.AddIPAddress(network)
// SetIPAddresses expects a slice of prefixes
err := rm.luid.SetIPAddresses([]netip.Prefix{network})
if err != nil {
return fmt.Errorf("failed to add IP address %s: %w", network, err)
}