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check if the packet has a valid answer section

This commit is contained in:
Miek Gieben 2012-08-28 13:21:51 +02:00
parent d942401931
commit a8737b6741
1 changed files with 7 additions and 4 deletions
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11
server.go
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@ -94,7 +94,6 @@ func ListenAndServe(addr string, network string, handler Handler) error {
}
func (mux *ServeMux) match(zone string, t uint16) Handler {
// Exact match
zone = toRadixName(zone)
if h := mux.m.Find(zone); h != nil && h.Value != nil {
// If we got queried for a DS record, we must see if we
@ -140,9 +139,13 @@ func (mux *ServeMux) HandleRemove(pattern string) {
// a parent zone is sought.
// If no handler is found a standard SERVFAIL message is returned
func (mux *ServeMux) ServeDNS(w ResponseWriter, request *Msg) {
h := mux.match(request.Question[0].Name, request.Question[0].Qtype)
if h == nil {
h = FailedHandler()
var h Handler
if len(request.Question) != 1 {
h = FailedHander()
} else {
if h = mux.match(request.Question[0].Name, request.Question[0].Qtype); h == nil
h = FailedHandler()
}
}
h.ServeDNS(w, request)
}