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DNS hosts: Support return RCode

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This commit is contained in:
j2rong4cn 2025-05-01 10:44:39 +08:00
parent 87ab8e5128
commit a6e8fe409a
4 changed files with 74 additions and 25 deletions
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15
app/dns/dns.go
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@ -187,7 +187,9 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, er
}
// Static host lookup
switch addrs := s.hosts.Lookup(domain, option); {
switch addrs, err := s.hosts.Lookup(domain, option); {
case err != nil:
return nil, 0, err
case addrs == nil: // Domain not recorded in static host
break
case len(addrs) == 0: // Domain recorded, but no valid IP returned (e.g. IPv4 address with only IPv6 enabled)
@ -250,13 +252,12 @@ func (s *DNS) LookupHosts(domain string) *net.Address {
return nil
}
// Normalize the FQDN form query
addrs := s.hosts.Lookup(domain, *s.ipOption)
if len(addrs) > 0 {
errors.LogInfo(s.ctx, "domain replaced: ", domain, " -> ", addrs[0].String())
return &addrs[0]
addrs, err := s.hosts.Lookup(domain, *s.ipOption)
if err != nil || len(addrs) == 0 {
return nil
}
return nil
errors.LogInfo(s.ctx, "domain replaced: ", domain, " -> ", addrs[0].String())
return &addrs[0]
}
func (s *DNS) sortClients(domain string) []*Client {