163 lines
4.0 KiB
Go
163 lines
4.0 KiB
Go
// This file is part of the happyDomain (R) project.
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// Copyright (c) 2020-2024 happyDomain
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// Authors: Pierre-Olivier Mercier, et al.
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//
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// This program is offered under a commercial and under the AGPL license.
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// For commercial licensing, contact us at <contact@happydomain.org>.
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//
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// For AGPL licensing:
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package abstract
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import (
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"bytes"
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"fmt"
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"net"
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"github.com/StackExchange/dnscontrol/v4/models"
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"github.com/miekg/dns"
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"git.happydns.org/happyDomain/model"
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"git.happydns.org/happyDomain/services"
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"git.happydns.org/happyDomain/utils"
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)
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type Server struct {
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A *net.IP `json:"A,omitempty" happydomain:"label=ipv4,description=Server's IPv4"`
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AAAA *net.IP `json:"AAAA,omitempty" happydomain:"label=ipv6,description=Server's IPv6"`
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SSHFP []*svcs.SSHFP `json:"SSHFP,omitempty" happydomain:"label=SSH Fingerprint,description=Server's SSH fingerprint"`
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}
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func (s *Server) GetNbResources() int {
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return 1
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}
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func (s *Server) GenComment(origin string) string {
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var buffer bytes.Buffer
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if s.A != nil && len(*s.A) != 0 {
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buffer.WriteString(s.A.String())
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if s.AAAA != nil && len(*s.AAAA) != 0 {
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buffer.WriteString("; ")
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}
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}
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if s.AAAA != nil && len(*s.AAAA) != 0 {
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buffer.WriteString(s.AAAA.String())
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}
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if s.SSHFP != nil {
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buffer.WriteString(fmt.Sprintf(" + %d SSHFP", len(s.SSHFP)))
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}
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return buffer.String()
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}
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func (s *Server) GenRRs(domain string, ttl uint32, origin string) (rrs models.Records) {
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if s.A != nil && len(*s.A) != 0 {
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rc := utils.NewRecordConfig(domain, "A", ttl, origin)
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rc.SetTargetIP(*s.A)
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rrs = append(rrs, rc)
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}
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if s.AAAA != nil && len(*s.AAAA) != 0 {
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rc := utils.NewRecordConfig(domain, "AAAA", ttl, origin)
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rc.SetTargetIP(*s.AAAA)
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rrs = append(rrs, rc)
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}
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for _, sshfp := range s.SSHFP {
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rc := utils.NewRecordConfig(domain, "SSHFP", ttl, origin)
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rc.SshfpAlgorithm = sshfp.Algorithm
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rc.SshfpFingerprint = sshfp.Type
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rc.SetTarget(sshfp.FingerPrint)
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rrs = append(rrs, rc)
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}
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return
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}
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func server_analyze(a *svcs.Analyzer) error {
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pool := map[string]models.Records{}
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for _, record := range a.SearchRR(svcs.AnalyzerRecordFilter{Type: dns.TypeA}, svcs.AnalyzerRecordFilter{Type: dns.TypeAAAA}, svcs.AnalyzerRecordFilter{Type: dns.TypeSSHFP}) {
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domain := record.NameFQDN
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pool[domain] = append(pool[domain], record)
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}
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next_pool:
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for dn, rrs := range pool {
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s := &Server{}
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for _, rr := range rrs {
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if rr.Type == "A" {
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if s.A != nil {
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continue next_pool
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}
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addr := rr.GetTargetIP()
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s.A = &addr
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} else if rr.Type == "AAAA" {
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if s.AAAA != nil {
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continue next_pool
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}
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addr := rr.GetTargetIP()
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s.AAAA = &addr
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} else if rr.Type == "SSHFP" {
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s.SSHFP = append(s.SSHFP, &svcs.SSHFP{
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Algorithm: rr.SshfpAlgorithm,
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Type: rr.SshfpFingerprint,
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FingerPrint: rr.GetTargetField(),
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})
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}
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}
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for _, rr := range rrs {
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a.UseRR(rr, dn, s)
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}
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}
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return nil
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}
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func init() {
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svcs.RegisterService(
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func() happydns.Service {
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return &Server{}
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},
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server_analyze,
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svcs.ServiceInfos{
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Name: "Server",
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Description: "A system to respond to specific requests.",
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Family: svcs.Abstract,
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Categories: []string{
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"server",
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},
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RecordTypes: []uint16{
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dns.TypeA,
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dns.TypeAAAA,
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dns.TypeSSHFP,
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},
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Restrictions: svcs.ServiceRestrictions{
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GLUE: true,
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},
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},
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100,
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)
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}
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