diff options
Diffstat (limited to 'core/dnsserver/server.go')
| -rw-r--r-- | core/dnsserver/server.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/core/dnsserver/server.go b/core/dnsserver/server.go index b4e4bc13e..aa94dcd8c 100644 --- a/core/dnsserver/server.go +++ b/core/dnsserver/server.go @@ -177,6 +177,8 @@ func (s *Server) ServeDNS(w dns.ResponseWriter, r *dns.Msg) { off, end := 0, false ctx := context.Background() + var dshandler *Config + for { l := len(q[off:]) for i := 0; i < l; i++ { @@ -195,12 +197,28 @@ func (s *Server) ServeDNS(w dns.ResponseWriter, r *dns.Msg) { } return } + // The type is DS, keep the handler, but keep on searching as maybe we are serving + // the parent as well and the DS should be routed to it - this will probably *misroute* DS + // queries to a possibly grand parent, but there is no way for us to know at this point + // if there is an actually delegation from grandparent -> parent -> zone. + // In all fairness: direct DS queries should not be needed. + dshandler = h } off, end = dns.NextLabel(q, off) if end { break } } + + if dshandler != nil { + // DS request, and we found a zone, use the handler for the query + rcode, _ := dshandler.middlewareChain.ServeDNS(ctx, w, r) + if rcodeNoClientWrite(rcode) { + DefaultErrorFunc(w, r, rcode) + } + return + } + // Wildcard match, if we have found nothing try the root zone as a last resort. if h, ok := s.zones["."]; ok { rcode, _ := h.middlewareChain.ServeDNS(ctx, w, r) |