133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
// This file is part of the happyDomain (R) project.
|
|
// Copyright (c) 2020-2024 happyDomain
|
|
// Authors: Pierre-Olivier Mercier, et al.
|
|
//
|
|
// This program is offered under a commercial and under the AGPL license.
|
|
// For commercial licensing, contact us at <contact@happydomain.org>.
|
|
//
|
|
// For AGPL licensing:
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package abstract
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/miekg/dns"
|
|
|
|
"git.happydns.org/happyDomain/internal/helpers"
|
|
"git.happydns.org/happyDomain/model"
|
|
"git.happydns.org/happyDomain/services"
|
|
)
|
|
|
|
type Delegation struct {
|
|
NameServers []*dns.NS `json:"ns"`
|
|
DS []*dns.DS `json:"ds"`
|
|
}
|
|
|
|
func (s *Delegation) GetNbResources() int {
|
|
return len(s.NameServers)
|
|
}
|
|
|
|
func (s *Delegation) GenComment() string {
|
|
ds := ""
|
|
if s.DS != nil {
|
|
ds = fmt.Sprintf(" + %d DS", len(s.DS))
|
|
}
|
|
|
|
return fmt.Sprintf("%d name servers"+ds, len(s.NameServers))
|
|
}
|
|
|
|
func (s *Delegation) GetRecords(domain string, ttl uint32, origin string) (rrs []happydns.Record, e error) {
|
|
for _, ns := range s.NameServers {
|
|
rrs = append(rrs, ns)
|
|
}
|
|
for _, ds := range s.DS {
|
|
rrs = append(rrs, ds)
|
|
}
|
|
return
|
|
}
|
|
|
|
func delegation_analyze(a *svcs.Analyzer) error {
|
|
delegations := map[string]*Delegation{}
|
|
|
|
for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Type: dns.TypeNS}) {
|
|
// Origin cannot be a delegation
|
|
if record.Header().Name == a.GetOrigin() {
|
|
continue
|
|
}
|
|
|
|
if ns, ok := record.(*dns.NS); ok {
|
|
dn := record.Header().Name
|
|
if _, ok := delegations[record.Header().Name]; !ok {
|
|
delegations[dn] = &Delegation{}
|
|
}
|
|
|
|
delegations[dn].NameServers = append(delegations[dn].NameServers, helpers.RRRelativeSubdomain(ns, a.GetOrigin(), dn).(*dns.NS))
|
|
|
|
a.UseRR(
|
|
record,
|
|
dn,
|
|
delegations[dn],
|
|
)
|
|
}
|
|
}
|
|
|
|
for subdomain := range delegations {
|
|
for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Type: dns.TypeDS, Domain: subdomain}) {
|
|
if _, ok := record.(*dns.DS); ok {
|
|
delegations[subdomain].DS = append(delegations[subdomain].DS, helpers.RRRelativeSubdomain(record, a.GetOrigin(), subdomain).(*dns.DS))
|
|
|
|
a.UseRR(
|
|
record,
|
|
subdomain,
|
|
delegations[subdomain],
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
svcs.RegisterService(
|
|
func() happydns.ServiceBody {
|
|
return &Delegation{}
|
|
},
|
|
delegation_analyze,
|
|
happydns.ServiceInfos{
|
|
Name: "Delegation",
|
|
Description: "Delegate this subdomain to another name server",
|
|
Family: happydns.SERVICE_FAMILY_ABSTRACT,
|
|
Categories: []string{
|
|
"domain name",
|
|
},
|
|
RecordTypes: []uint16{
|
|
dns.TypeNS,
|
|
dns.TypeDS,
|
|
},
|
|
Restrictions: happydns.ServiceRestrictions{
|
|
Alone: true,
|
|
Leaf: true,
|
|
ExclusiveRR: []string{"abstract.Origin", "abstract.NSOnlyOrigin"},
|
|
Single: true,
|
|
NeedTypes: []uint16{
|
|
dns.TypeNS,
|
|
},
|
|
},
|
|
},
|
|
1,
|
|
)
|
|
}
|