39bc2af509
* Add any plugin This adds the any plugin, a plain copy of coredns/any documented here https://coredns.io/explugins/any/ as an external plugin. Fixes: #2785 Signed-off-by: Miek Gieben <miek@miek.nl> * Stickler bot nit Signed-off-by: Miek Gieben <miek@miek.nl>
32 lines
795 B
Go
32 lines
795 B
Go
package any
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import (
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"context"
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"github.com/coredns/coredns/plugin"
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"github.com/miekg/dns"
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)
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// Any is a plugin that returns a HINFO reply to ANY queries.
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type Any struct {
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Next plugin.Handler
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}
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// ServeDNS implements the plugin.Handler interface.
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func (a Any) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error) {
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if r.Question[0].Qtype != dns.TypeANY {
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return plugin.NextOrFailure(a.Name(), a.Next, ctx, w, r)
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}
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m := new(dns.Msg)
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m.SetReply(r)
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hdr := dns.RR_Header{Name: r.Question[0].Name, Ttl: 8482, Class: dns.ClassINET, Rrtype: dns.TypeHINFO}
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m.Answer = []dns.RR{&dns.HINFO{Hdr: hdr, Cpu: "ANY obsoleted", Os: "See RFC 8482"}}
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w.WriteMsg(m)
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return 0, nil
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}
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// Name implements the Handler interface.
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func (a Any) Name() string { return "any" }
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