148 lines
3.8 KiB
Go
148 lines
3.8 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"
|
|
"strings"
|
|
|
|
"github.com/StackExchange/dnscontrol/v4/models"
|
|
"github.com/miekg/dns"
|
|
|
|
"git.happydns.org/happyDomain/model"
|
|
"git.happydns.org/happyDomain/services"
|
|
"git.happydns.org/happyDomain/utils"
|
|
)
|
|
|
|
type Delegation struct {
|
|
NameServers []string `json:"ns" happydomain:"label=Name Servers"`
|
|
DS []svcs.DS `json:"ds" happydomain:"label=Delegation Signer"`
|
|
}
|
|
|
|
func (s *Delegation) GetNbResources() int {
|
|
return len(s.NameServers)
|
|
}
|
|
|
|
func (s *Delegation) GenComment(origin string) 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) GenRRs(domain string, ttl uint32, origin string) (rrs models.Records) {
|
|
for _, ns := range s.NameServers {
|
|
rc := utils.NewRecordConfig(utils.DomainJoin(domain), "NS", ttl, origin)
|
|
rc.SetTarget(utils.DomainFQDN(ns, origin))
|
|
|
|
rrs = append(rrs, rc)
|
|
}
|
|
for _, ds := range s.DS {
|
|
rc := utils.NewRecordConfig(utils.DomainJoin(domain), "DS", ttl, origin)
|
|
rc.DsKeyTag = ds.KeyTag
|
|
rc.DsAlgorithm = ds.Algorithm
|
|
rc.DsDigestType = ds.DigestType
|
|
rc.DsDigest = ds.Digest
|
|
|
|
rrs = append(rrs, rc)
|
|
}
|
|
return
|
|
}
|
|
|
|
func delegation_analyze(a *svcs.Analyzer) error {
|
|
delegations := map[string]*Delegation{}
|
|
|
|
for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Type: dns.TypeNS}) {
|
|
if record.NameFQDN == strings.TrimSuffix(a.GetOrigin(), ".") {
|
|
continue
|
|
}
|
|
|
|
if record.Type == "NS" {
|
|
if _, ok := delegations[record.NameFQDN]; !ok {
|
|
delegations[record.NameFQDN] = &Delegation{}
|
|
}
|
|
|
|
delegations[record.NameFQDN].NameServers = append(delegations[record.NameFQDN].NameServers, record.GetTargetField())
|
|
|
|
a.UseRR(
|
|
record,
|
|
record.NameFQDN,
|
|
delegations[record.NameFQDN],
|
|
)
|
|
}
|
|
}
|
|
|
|
for subdomain := range delegations {
|
|
for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Type: dns.TypeDS, Domain: subdomain}) {
|
|
if record.Type == "DS" {
|
|
delegations[subdomain].DS = append(delegations[subdomain].DS, svcs.DS{
|
|
KeyTag: record.DsKeyTag,
|
|
Algorithm: record.DsAlgorithm,
|
|
DigestType: record.DsDigestType,
|
|
Digest: record.DsDigest,
|
|
})
|
|
|
|
a.UseRR(
|
|
record,
|
|
subdomain,
|
|
delegations[subdomain],
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func init() {
|
|
svcs.RegisterService(
|
|
func() happydns.Service {
|
|
return &Delegation{}
|
|
},
|
|
delegation_analyze,
|
|
svcs.ServiceInfos{
|
|
Name: "Delegation",
|
|
Description: "Delegate this subdomain to another name server",
|
|
Family: svcs.Abstract,
|
|
Categories: []string{
|
|
"internal",
|
|
},
|
|
RecordTypes: []uint16{
|
|
dns.TypeNS,
|
|
dns.TypeDS,
|
|
},
|
|
Restrictions: svcs.ServiceRestrictions{
|
|
Alone: true,
|
|
Leaf: true,
|
|
ExclusiveRR: []string{"abstract.Origin"},
|
|
Single: true,
|
|
NeedTypes: []uint16{
|
|
dns.TypeNS,
|
|
},
|
|
},
|
|
},
|
|
1,
|
|
)
|
|
}
|