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Improve add windows route

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世界 2024-12-29 21:19:14 +08:00
parent f457988090
commit aa9d9c6296
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GPG key ID: CD109927C34A63C4
1 changed files with 37 additions and 18 deletions
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55
tun_windows.go
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@ -172,15 +172,9 @@ func (t *NativeTun) Start() error {
if err != nil {
return err
}
for _, routeRange := range routeRanges {
if routeRange.Addr().Is4() {
err = luid.AddRoute(routeRange, gateway4, 0)
} else {
err = luid.AddRoute(routeRange, gateway6, 0)
}
if err != nil {
return err
}
err = addRouteList(luid, routeRanges, gateway4, gateway6, 0)
if err != nil {
return err
}
err = windnsapi.FlushResolverCache()
if err != nil {
@ -560,15 +554,9 @@ func (t *NativeTun) UpdateRouteOptions(tunOptions Options) error {
if err != nil {
return err
}
for _, routeRange := range routeRanges {
if routeRange.Addr().Is4() {
err = luid.AddRoute(routeRange, gateway4, 0)
} else {
err = luid.AddRoute(routeRange, gateway6, 0)
}
if err != nil {
return err
}
err = addRouteList(luid, routeRanges, gateway4, gateway6, 0)
if err != nil {
return err
}
err = windnsapi.FlushResolverCache()
if err != nil {
@ -577,6 +565,37 @@ func (t *NativeTun) UpdateRouteOptions(tunOptions Options) error {
return nil
}
func addRouteList(luid winipcfg.LUID, destinations []netip.Prefix, gateway4 netip.Addr, gateway6 netip.Addr, metric uint32) error {
row := winipcfg.MibIPforwardRow2{}
row.Init()
row.InterfaceLUID = luid
row.Metric = metric
nextHop4 := row.NextHop
nextHop6 := row.NextHop
if gateway4.IsValid() {
nextHop4.SetAddr(gateway4)
}
if gateway6.IsValid() {
nextHop6.SetAddr(gateway6)
}
for _, destination := range destinations {
err := row.DestinationPrefix.SetPrefix(destination)
if err != nil {
return err
}
if destination.Addr().Is4() {
row.NextHop = nextHop4
} else {
row.NextHop = nextHop6
}
err = row.Create()
if err != nil {
return err
}
}
return nil
}
func generateGUIDByDeviceName(name string) *windows.GUID {
hash := md5.New()
hash.Write([]byte("wintun"))