system-configuration/modules/config/dns.scm

dns.scm

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;;; Tyreunom's system administration and configuration tools.
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;;;
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;;; Copyright © 2019 Julien Lepiller <julien@lepiller.eu>
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;;;
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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 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 General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
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;;
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;; DNS services
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;;
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(define-module (config dns)
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  #:use-module (data dns)
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  #:use-module (gnu services)
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  #:use-module (gnu services dns)
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  #:use-module (srfi srfi-1)
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  #:export (ipv4-reverse-master-zone
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            ipv6-reverse-master-zone
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            lepiller-master-zone))
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(define-zone-entries lepiller.eu.zone
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;; Name         TTL Class Type Data
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  ("ene"        ""  "IN"  "A"     ene-ip4)
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  ("hermes"     ""  "IN"  "A"     hermes-ip4)
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  ("hermes"     ""  "IN"  "AAAA"  hermes-ip6)
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  ("xana"       ""  "IN"  "A"     xana-ip4)
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  ("@"          ""  "IN"  "CNAME" "hermes")
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  ("www"        ""  "IN"  "CNAME" "lepiller.eu.")
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  ("avatar"     ""  "IN"  "CNAME" "ene")
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  ("rennes"     ""  "IN"  "CNAME" "ene")
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  ("@"          ""  "IN"  "NS"    "ns")
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  ("@"          ""  "IN"  "NS"    "ns2")
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  ("ns"         ""  "IN"  "A"     hermes-ip4)
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  ("ns"         ""  "IN"  "AAAA"  hermes-ip6)
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  ("ns2"        ""  "IN"  "A"     ene-ip4)
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  ("@"          ""  "IN"  "NS"    "10 courriel")
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  ("@"          ""  "IN"  "NS"    "50 b.courriel")
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  ("b.courriel" ""  "IN"  "A"     hermes-ip4)
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  ("b.courriel" ""  "IN"  "AAAA"  hermes-ip6)
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  ("courriel"   ""  "IN"  "A"     ene-ip4)
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  ("imap"       ""  "IN"  "CNAME" "courriel")
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  ("smtp"       ""  "IN"  "CNAME" "b.courriel")
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  ("@"          ""  "IN"  "TXT"   "v=spf1 mx a ~all")
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  ("@"          ""  "IN"  "SPF"   "v=spf1 mx a ~all"))
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(define-zone-entries ipv4-reverse.zone
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  ("@" "" "IN" "PTR" "lepiller.eu."))
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(define-zone-entries ipv6-reverse.zone
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  ("1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0" "" "IN" "PTR" "lepiller.eu."))
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(define lepiller-master-zone
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  (knot-zone-configuration
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    (domain "lepiller.eu")
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    (dnssec-policy "default")
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    (zone (zone-file
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            (origin "lepiller.eu")
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            (entries lepiller.eu.zone)
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            (serial 2019032201)))))
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(define ipv6-reverse-master-zone
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  (let* ((ip6 (string->list (substring (string-delete hermes-ip6 #\:) 0 12)))
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         (rev-ip6-lst (fold (lambda (elem acc)
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                          (cons* #\. elem acc))
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                        '()
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                        ip6))
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         (rev-ip6 (list->string (cdr rev-ip6-lst)))
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         (domain (string-append rev-ip6 ".ip6.arpa")))
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    (knot-zone-configuration
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      (domain domain)
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      (zone (zone-file
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              (origin domain)
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              (entries ipv6-reverse.zone)
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              (ns "ns.lepiller.eu.")
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              (mail "hostmaster.lepiller.eu.")
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              (serial 1))))))
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(define ipv4-reverse-master-zone
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  (let ((domain (string-append
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                  (string-join (reverse (string-split hermes-ip4 #\.)) ".")
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                  ".in-addr.arpa")))
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    (knot-zone-configuration
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      (domain domain)
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      (zone (zone-file
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              (origin domain)
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              (entries ipv4-reverse.zone)
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              (ns "ns.lepiller.eu.")
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              (mail "hostmaster.lepiller.eu.")
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              (serial 1))))))
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