fix: possible panic in Headscale.scheduledDERPMapUpdateWorker

There is a possible nil pointer dereference panic in the
`Headscale.scheduledDERPMapUpdateWorker`. Such as when the embedded
DERP server is disabled.
This commit is contained in:
Aofei Sheng 2022-03-19 01:18:20 +08:00
parent 1c9b1c0579
commit 1eafe960b8

View File

@ -148,7 +148,9 @@ func (h *Headscale) scheduledDERPMapUpdateWorker(cancelChan <-chan struct{}) {
case <-ticker.C:
log.Info().Msg("Fetching DERPMap updates")
h.DERPMap = GetDERPMap(h.cfg.DERP)
h.DERPMap.Regions[h.DERPServer.region.RegionID] = &h.DERPServer.region
if h.cfg.DERP.ServerEnabled {
h.DERPMap.Regions[h.DERPServer.region.RegionID] = &h.DERPServer.region
}
namespaces, err := h.ListNamespaces()
if err != nil {