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Fix DNS fallthrough incorrectly
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parent
93ae3f7a1e
commit
5327aeaea4
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@ -138,10 +138,13 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, er
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response, err = r.dnsClient.Exchange(dnsCtx, transport, message, strategy)
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}
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cancel()
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var rejected bool
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if err != nil {
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if errors.Is(err, dns.ErrResponseRejectedCached) {
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rejected = true
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r.dnsLogger.DebugContext(ctx, E.Cause(err, "response rejected for ", formatQuestion(message.Question[0].String())), " (cached)")
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} else if errors.Is(err, dns.ErrResponseRejected) {
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rejected = true
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r.dnsLogger.DebugContext(ctx, E.Cause(err, "response rejected for ", formatQuestion(message.Question[0].String())))
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} else if len(message.Question) > 0 {
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r.dnsLogger.ErrorContext(ctx, E.Cause(err, "exchange failed for ", formatQuestion(message.Question[0].String())))
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@ -149,9 +152,10 @@ func (r *Router) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, er
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r.dnsLogger.ErrorContext(ctx, E.Cause(err, "exchange failed for <empty query>"))
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}
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}
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if !addressLimit || err == nil {
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break
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if addressLimit && rejected {
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continue
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}
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break
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}
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}
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if r.dnsReverseMapping != nil && len(message.Question) > 0 && response != nil && len(response.Answer) > 0 {
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