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Fix ZIP GetNetInfo reply

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This commit is contained in:
Josh Deprez 2024-05-04 16:29:26 +10:00
parent d1ab38b266
commit 60d1837ee8
Signed by: josh
SSH key fingerprint: SHA256:zZji7w1Ilh2RuUpbQcqkLPrqmRwpiCSycbF2EfKm6Kw
1 changed files with 5 additions and 5 deletions
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10
router/zip.go
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@ -159,20 +159,20 @@ func (port *EtherTalkPort) handleZIPQuery(ctx context.Context, ddpkt *ddp.ExtPac
func (port *EtherTalkPort) handleZIPGetNetInfo(ctx context.Context, ddpkt *ddp.ExtPacket, zipkt *zip.GetNetInfoPacket) error { func (port *EtherTalkPort) handleZIPGetNetInfo(ctx context.Context, ddpkt *ddp.ExtPacket, zipkt *zip.GetNetInfoPacket) error {
log.Printf("ZIP: Got GetNetInfo for zone %q", zipkt.ZoneName) log.Printf("ZIP: Got GetNetInfo for zone %q", zipkt.ZoneName)
// The request is valid if the zone name is available on this network. // The request is zoneValid if the zone name is available on this network.
valid := slices.Contains(port.AvailableZones, zipkt.ZoneName) zoneValid := slices.Contains(port.AvailableZones, zipkt.ZoneName)
// The multicast address we return depends on the validity of the zone // The multicast address we return depends on the validity of the zone
// name. // name.
var mcastAddr ethernet.Addr var mcastAddr ethernet.Addr
if valid { if zoneValid {
mcastAddr = atalk.MulticastAddr(zipkt.ZoneName) mcastAddr = atalk.MulticastAddr(zipkt.ZoneName)
} else { } else {
mcastAddr = atalk.MulticastAddr(port.DefaultZoneName) mcastAddr = atalk.MulticastAddr(port.DefaultZoneName)
} }
resp := &zip.GetNetInfoReplyPacket{ resp := &zip.GetNetInfoReplyPacket{
ZoneInvalid: valid, ZoneInvalid: !zoneValid,
UseBroadcast: false, UseBroadcast: false,
OnlyOneZone: len(port.AvailableZones) == 1, OnlyOneZone: len(port.AvailableZones) == 1,
NetStart: port.NetStart, NetStart: port.NetStart,
@ -182,7 +182,7 @@ func (port *EtherTalkPort) handleZIPGetNetInfo(ctx context.Context, ddpkt *ddp.E
} }
// The default zone name is only returned if the requested zone name is // The default zone name is only returned if the requested zone name is
// invalid. // invalid.
if !valid { if !zoneValid {
resp.DefaultZoneName = port.DefaultZoneName resp.DefaultZoneName = port.DefaultZoneName
} }
log.Printf("ZIP: Replying with GetNetInfo-Reply: %+v", resp) log.Printf("ZIP: Replying with GetNetInfo-Reply: %+v", resp)