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Remove dns.ErrTruncated according to https://github.com/miekg/dns/pull/815

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Star Brilliant
2018-11-28 15:31:02 +08:00
parent 01d60df9cd
commit fa2bcf74a9
3 changed files with 4 additions and 4 deletions
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doh-server/server.go
+2 -2
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@@ -251,14 +251,14 @@ func (s *Server) doDNSQuery(ctx context.Context, req *DNSRequest) (resp *DNSRequ
req.currentUpstream = s.conf.Upstream[rand.Intn(numServers)]
if !s.conf.TCPOnly {
req.response, _, err = s.udpClient.Exchange(req.request, req.currentUpstream)
if err == dns.ErrTruncated {
if err == nil && req.response != nil && req.response.Truncated {
log.Println(err)
req.response, _, err = s.tcpClient.Exchange(req.request, req.currentUpstream)
}
} else {
req.response, _, err = s.tcpClient.Exchange(req.request, req.currentUpstream)
}
if err == nil || err == dns.ErrTruncated {
if err == nil {
return req, nil
}
log.Printf("DNS error from upstream %s: %s\n", req.currentUpstream, err.Error())