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coredns plugin -- fix SHOULD NOT HAPPEN spam when incoming request is for root servers

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This commit is contained in:
Eugene Bujak
2018-10-05 07:31:56 +03:00
parent 5b9a5fff97
commit 3a7a80f15f
2 changed files with 11 additions and 4 deletions
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11
coredns_plugin/coredns_plugin.go
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@@ -446,8 +446,15 @@ func (p *plug) serveDNSInternal(ctx context.Context, w dns.ResponseWriter, r *dn
return rcode, dnsfilter.Result{}, err
}
return rcode, result, err
case dnsfilter.FilteredInvalid:
// return NXdomain
rcode, err := p.writeNXdomain(ctx, w, r)
if err != nil {
return rcode, dnsfilter.Result{}, err
}
return rcode, result, err
default:
log.Printf("SHOULD NOT HAPPEN -- got unknown reason for filtering: %T %v %s", result.Reason, result.Reason, result.Reason.String())
log.Printf("SHOULD NOT HAPPEN -- got unknown reason for filtering host \"%s\": %v, %+v", host, result.Reason, result)
}
} else {
switch result.Reason {
@@ -457,7 +464,7 @@ func (p *plug) serveDNSInternal(ctx context.Context, w dns.ResponseWriter, r *dn
case dnsfilter.NotFilteredNotFound:
// do nothing, pass through to lower code
default:
log.Printf("SHOULD NOT HAPPEN -- got unknown reason for not filtering: %T %v %s", result.Reason, result.Reason, result.Reason.String())
log.Printf("SHOULD NOT HAPPEN -- got unknown reason for not filtering host \"%s\": %v, %+v", host, result.Reason, result)
}
}
}