2020-05-09 11:14:29 +00:00
|
|
|
// Copyright or © or Copr. happyDNS (2020)
|
|
|
|
//
|
|
|
|
// contact@happydns.org
|
|
|
|
//
|
|
|
|
// This software is a computer program whose purpose is to provide a modern
|
|
|
|
// interface to interact with DNS systems.
|
|
|
|
//
|
|
|
|
// This software is governed by the CeCILL license under French law and abiding
|
|
|
|
// by the rules of distribution of free software. You can use, modify and/or
|
|
|
|
// redistribute the software under the terms of the CeCILL license as
|
|
|
|
// circulated by CEA, CNRS and INRIA at the following URL
|
|
|
|
// "http://www.cecill.info".
|
|
|
|
//
|
|
|
|
// As a counterpart to the access to the source code and rights to copy, modify
|
|
|
|
// and redistribute granted by the license, users are provided only with a
|
|
|
|
// limited warranty and the software's author, the holder of the economic
|
|
|
|
// rights, and the successive licensors have only limited liability.
|
|
|
|
//
|
|
|
|
// In this respect, the user's attention is drawn to the risks associated with
|
|
|
|
// loading, using, modifying and/or developing or reproducing the software by
|
|
|
|
// the user in light of its specific status of free software, that may mean
|
|
|
|
// that it is complicated to manipulate, and that also therefore means that it
|
|
|
|
// is reserved for developers and experienced professionals having in-depth
|
|
|
|
// computer knowledge. Users are therefore encouraged to load and test the
|
|
|
|
// software's suitability as regards their requirements in conditions enabling
|
|
|
|
// the security of their systems and/or data to be ensured and, more generally,
|
|
|
|
// to use and operate it in the same conditions as regards security.
|
|
|
|
//
|
|
|
|
// The fact that you are presently reading this means that you have had
|
|
|
|
// knowledge of the CeCILL license and that you accept its terms.
|
|
|
|
|
|
|
|
package svcs
|
|
|
|
|
|
|
|
import (
|
2020-05-10 09:23:55 +00:00
|
|
|
"bytes"
|
2020-05-09 11:14:29 +00:00
|
|
|
"reflect"
|
2020-05-10 09:23:55 +00:00
|
|
|
"strconv"
|
2020-05-09 11:14:29 +00:00
|
|
|
"strings"
|
|
|
|
|
|
|
|
"github.com/miekg/dns"
|
|
|
|
|
|
|
|
"git.happydns.org/happydns/model"
|
|
|
|
)
|
|
|
|
|
|
|
|
type XMPP struct {
|
2020-06-27 14:04:54 +00:00
|
|
|
Client []*SRV `json:"client,omitempty" happydns:"label=Client Connection"`
|
|
|
|
Server []*SRV `json:"server,omitempty" happydns:"label=Server Connection"`
|
|
|
|
Jabber []*SRV `json:"jabber,omitempty" happydns:"label=Jabber Connection (legacy)"`
|
2020-05-09 11:14:29 +00:00
|
|
|
}
|
|
|
|
|
2020-05-10 09:23:55 +00:00
|
|
|
func (s *XMPP) GetNbResources() (max int) {
|
|
|
|
for _, i := range []int{len(s.Client), len(s.Server), len(s.Jabber)} {
|
|
|
|
if i > max {
|
|
|
|
max = i
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
func (s *XMPP) GenComment(origin string) string {
|
|
|
|
dest := map[string][]uint16{}
|
|
|
|
|
|
|
|
destloop:
|
|
|
|
for _, srv := range append(append(s.Client, s.Server...), s.Jabber...) {
|
|
|
|
for _, port := range dest[srv.Target] {
|
|
|
|
if port == srv.Port {
|
|
|
|
continue destloop
|
|
|
|
}
|
|
|
|
}
|
|
|
|
dest[srv.Target] = append(dest[srv.Target], srv.Port)
|
|
|
|
}
|
|
|
|
|
|
|
|
var buffer bytes.Buffer
|
|
|
|
first := true
|
|
|
|
for dn, ports := range dest {
|
|
|
|
if !first {
|
|
|
|
buffer.WriteString("; ")
|
|
|
|
} else {
|
|
|
|
first = !first
|
|
|
|
}
|
|
|
|
buffer.WriteString(strings.TrimSuffix(dn, "."+origin))
|
|
|
|
buffer.WriteString(" (")
|
|
|
|
firstport := true
|
|
|
|
for _, port := range ports {
|
|
|
|
if !firstport {
|
|
|
|
buffer.WriteString(", ")
|
|
|
|
} else {
|
|
|
|
firstport = !firstport
|
|
|
|
}
|
|
|
|
buffer.WriteString(strconv.Itoa(int(port)))
|
|
|
|
}
|
|
|
|
buffer.WriteString(")")
|
|
|
|
}
|
|
|
|
|
|
|
|
return buffer.String()
|
|
|
|
}
|
|
|
|
|
2020-06-27 13:14:14 +00:00
|
|
|
func (s *XMPP) GenRRs(domain string, ttl uint32, origin string) (rrs []dns.RR) {
|
2020-05-09 11:14:29 +00:00
|
|
|
for _, jabber := range s.Client {
|
2020-06-27 13:14:14 +00:00
|
|
|
rrs = append(rrs, jabber.GenRRs("_jabber._tcp."+domain, ttl, origin)...)
|
2020-05-09 11:14:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for _, client := range s.Client {
|
2020-06-27 13:14:14 +00:00
|
|
|
rrs = append(rrs, client.GenRRs("_xmpp-client._tcp."+domain, ttl, origin)...)
|
2020-05-09 11:14:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for _, server := range s.Server {
|
2020-06-27 13:14:14 +00:00
|
|
|
rrs = append(rrs, server.GenRRs("_xmpp-server._tcp."+domain, ttl, origin)...)
|
2020-05-09 11:14:29 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
func xmpp_subanalyze(a *Analyzer, prefix string, xmppDomains map[string]*XMPP, field string) error {
|
|
|
|
for _, record := range a.searchRR(AnalyzerRecordFilter{Prefix: prefix, Type: dns.TypeSRV}) {
|
|
|
|
if srv := parseSRV(record); srv != nil {
|
|
|
|
domain := strings.TrimPrefix(record.Header().Name, prefix)
|
|
|
|
|
|
|
|
if _, ok := xmppDomains[domain]; !ok {
|
|
|
|
xmppDomains[domain] = &XMPP{}
|
|
|
|
}
|
|
|
|
|
|
|
|
v := reflect.Indirect(reflect.ValueOf(xmppDomains[domain]))
|
|
|
|
v.FieldByName(field).Set(reflect.Append(v.FieldByName(field), reflect.ValueOf(srv)))
|
|
|
|
|
|
|
|
a.useRR(
|
|
|
|
record,
|
|
|
|
domain,
|
|
|
|
xmppDomains[domain],
|
|
|
|
)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func xmpp_analyze(a *Analyzer) error {
|
|
|
|
xmppDomains := map[string]*XMPP{}
|
|
|
|
|
|
|
|
xmpp_subanalyze(a, "_jabber._tcp.", xmppDomains, "Jabber")
|
|
|
|
xmpp_subanalyze(a, "_xmpp-client._tcp.", xmppDomains, "Client")
|
|
|
|
xmpp_subanalyze(a, "_xmpp-server._tcp.", xmppDomains, "Server")
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func init() {
|
|
|
|
RegisterService(
|
|
|
|
func() happydns.Service {
|
|
|
|
return &XMPP{}
|
|
|
|
},
|
|
|
|
xmpp_analyze,
|
|
|
|
ServiceInfos{
|
|
|
|
Name: "XMPP IM",
|
2020-07-05 19:39:17 +00:00
|
|
|
Description: "Communicate over XMPP with your domain.",
|
2020-05-09 11:14:29 +00:00
|
|
|
Categories: []string{
|
|
|
|
"im",
|
|
|
|
},
|
2020-07-06 09:07:37 +00:00
|
|
|
Restrictions: ServiceRestrictions{
|
|
|
|
NearAlone: true,
|
|
|
|
Single: true,
|
|
|
|
},
|
2020-05-09 11:14:29 +00:00
|
|
|
},
|
2020-05-10 22:13:16 +00:00
|
|
|
1,
|
2020-05-09 11:14:29 +00:00
|
|
|
)
|
|
|
|
}
|