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fix: possible panic in Headscale.scheduledDERPMapUpdateWorker

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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
1 changed files with 3 additions and 1 deletions
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4
derp.go
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@ -148,7 +148,9 @@ func (h *Headscale) scheduledDERPMapUpdateWorker(cancelChan <-chan struct{}) {
case <-ticker.C: case <-ticker.C:
log.Info().Msg("Fetching DERPMap updates") log.Info().Msg("Fetching DERPMap updates")
h.DERPMap = GetDERPMap(h.cfg.DERP) 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() namespaces, err := h.ListNamespaces()
if err != nil { if err != nil {