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fix: respect port set for upstream over dot query

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pommee
2025-10-02 21:20:05 +02:00
parent dc9aca97dc
commit ec08e44fcb
1 changed files with 6 additions and 4 deletions
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10
backend/dns/server/handler.go
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@@ -656,12 +656,14 @@ func (s *DNSServer) QueryUpstream(req *Request) ([]dns.RR, uint32, string) {
upstreamMsg.Id = dns.Id()
upstream := s.Config.DNS.PreferredUpstream
if s.dnsClient.Net == "tcp-tls" && !strings.HasSuffix(upstream, ":853") {
host, _, err := net.SplitHostPort(upstream)
if err == nil {
upstream = net.JoinHostPort(host, "853")
if s.dnsClient.Net == "tcp-tls" {
if !strings.Contains(upstream, ":") {
upstream = net.JoinHostPort(upstream, "853")
} else if strings.Contains(upstream, ":53") {
upstream = strings.ReplaceAll(upstream, ":53", ":853")
}
}
in, _, err := s.dnsClient.Exchange(upstreamMsg, upstream)
if err != nil {
errCh <- err