happyDomain/services/ptr.go

92 lines
2.3 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 svcs
import (
"strings"
"github.com/StackExchange/dnscontrol/v4/models"
"github.com/miekg/dns"
"git.happydns.org/happyDomain/model"
"git.happydns.org/happyDomain/utils"
)
type PTR struct {
Target string
}
func (s *PTR) GetNbResources() int {
return 1
}
func (s *PTR) GenComment(origin string) string {
return strings.TrimSuffix(s.Target, "."+origin)
}
func (s *PTR) GenRRs(domain string, ttl uint32, origin string) (rrs models.Records) {
rr := utils.NewRecordConfig(domain, "PTR", ttl, origin)
rr.SetTarget(utils.DomainFQDN(s.Target, origin))
rrs = append(rrs, rr)
return
}
func pointer_analyze(a *Analyzer) error {
for _, record := range a.SearchRR(AnalyzerRecordFilter{Type: dns.TypePTR}) {
if record.Type == "PTR" {
newrr := &PTR{
Target: strings.TrimSuffix(record.String(), "."+a.origin),
}
a.UseRR(record, record.NameFQDN, newrr)
}
}
return nil
}
func init() {
RegisterService(
func() happydns.Service {
return &PTR{}
},
pointer_analyze,
ServiceInfos{
Name: "Pointer",
Description: "A pointer to another domain.",
Categories: []string{
"internal",
},
RecordTypes: []uint16{
dns.TypePTR,
},
Restrictions: ServiceRestrictions{
Alone: true,
Single: true,
NeedTypes: []uint16{
dns.TypePTR,
},
},
},
99999998,
)
}