Files
coredns/plugin/hosts/wildcard.go
Amirhossein Ebrahimzade 6805f6f8a0 plugin/hosts: add wildcard support (#8185)
* plugin/hosts: add wildcard support for owner names

Signed-off-by: youknowforsearch <amirhebrahimzader@gmail.com>

* plugin/hosts: document wildcard owner name support

Signed-off-by: youknowforsearch <amirhebrahimzader@gmail.com>

* plugin/hosts: remove unused lookupStaticHost

Signed-off-by: Amirhossein Ebrahimzade <amirhossein.e@smartech.ir>

---------

Signed-off-by: youknowforsearch <amirhebrahimzader@gmail.com>
Signed-off-by: Amirhossein Ebrahimzade <amirhossein.e@smartech.ir>
Co-authored-by: Amirhossein Ebrahimzade <amirhossein.e@smartech.ir>
2026-06-24 22:08:08 -07:00

19 lines
439 B
Go

package hosts
import "github.com/miekg/dns"
// isWildcardName reports whether name is a wildcard owner name (*.example.com.).
func isWildcardName(name string) bool {
return len(name) >= 2 && name[0] == '*' && name[1] == '.'
}
// replaceWithAsteriskLabel replaces the leftmost label with '*'.
func replaceWithAsteriskLabel(qname string) string {
i, shot := dns.NextLabel(qname, 0)
if shot {
return ""
}
return "*." + qname[i:]
}