coredns/middleware/zone.go
Miek Gieben 25cf16af0e Use dns.IsSubDomain (#112)
For the match function use the proper thing from go dns. Fix all
callers and tests to use this.

Fixes: #107
2016-04-12 22:34:44 +01:00

27 lines
591 B
Go

package middleware
import "github.com/miekg/dns"
type Zones []string
// Matches checks is qname is a subdomain of any of the zones in z. The match
// will return the most specific zones that matches other. The empty string
// signals a not found condition.
func (z Zones) Matches(qname string) string {
zone := ""
for _, zname := range z {
if dns.IsSubDomain(zname, qname) {
if len(zname) > len(zone) {
zone = zname
}
}
}
return zone
}
// FullyQualify fully qualifies all zones in z.
func (z Zones) FullyQualify() {
for i, _ := range z {
z[i] = dns.Fqdn(z[i])
}
}