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update

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This commit is contained in:
Mateusz Poliwczak 2023-05-07 15:47:19 +02:00
parent 925a49c64d
commit 29924c13a6
1 changed files with 10 additions and 12 deletions
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22
src/net/dnsclient_unix.go
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@ -828,6 +828,15 @@ func (r *Resolver) goLookupPTR(ctx context.Context, addr string, order hostLooku
}
p, server, err := r.lookup(ctx, arpa, dnsmessage.TypePTR, conf)
if err != nil {
var dnsErr *DNSError
if errors.As(err, &dnsErr) && dnsErr.IsNotFound {
if order == hostLookupDNSFiles {
names := lookupStaticAddr(addr)
if len(names) > 0 {
return names, nil
}
}
}
return nil, err
}
var ptrs []string
@ -866,16 +875,5 @@ func (r *Resolver) goLookupPTR(ctx context.Context, addr string, order hostLooku
}
if len(ptrs) > 0 {
return ptrs, nil
}
if order == hostLookupDNSFiles {
names := lookupStaticAddr(addr)
if len(names) > 0 {
return names, nil
}
}
return nil, &DNSError{Err: errNoSuchHost.Error(), Name: addr, IsNotFound: true}
return ptrs, nil
}