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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2017 Julien Lepiller <julien@lepiller.eu> | |
8490a834 | 3 | ;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com> |
ba69e8f7 JL |
4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | (define-module (gnu services dns) | |
21 | #:use-module (gnu services) | |
22 | #:use-module (gnu services configuration) | |
23 | #:use-module (gnu services shepherd) | |
24 | #:use-module (gnu system shadow) | |
25 | #:use-module (gnu packages admin) | |
26 | #:use-module (gnu packages dns) | |
27 | #:use-module (guix packages) | |
28 | #:use-module (guix records) | |
29 | #:use-module (guix gexp) | |
30 | #:use-module (srfi srfi-1) | |
97f6e913 | 31 | #:use-module (srfi srfi-26) |
ba69e8f7 JL |
32 | #:use-module (srfi srfi-34) |
33 | #:use-module (srfi srfi-35) | |
34 | #:use-module (ice-9 match) | |
35 | #:use-module (ice-9 regex) | |
36 | #:export (knot-service-type | |
37 | knot-acl-configuration | |
38 | knot-key-configuration | |
39 | knot-keystore-configuration | |
40 | knot-zone-configuration | |
41 | knot-remote-configuration | |
42 | knot-policy-configuration | |
43 | knot-configuration | |
44 | define-zone-entries | |
45 | zone-file | |
97f6e913 SB |
46 | zone-entry |
47 | ||
48 | dnsmasq-service-type | |
8490a834 OP |
49 | dnsmasq-configuration |
50 | ||
51 | ddclient-service-type | |
52 | ddclient-configuration)) | |
ba69e8f7 JL |
53 | |
54 | ;;; | |
55 | ;;; Knot DNS. | |
56 | ;;; | |
57 | ||
58 | (define-record-type* <knot-key-configuration> | |
59 | knot-key-configuration make-knot-key-configuration | |
60 | knot-key-configuration? | |
61 | (id knot-key-configuration-id | |
62 | (default "")) | |
63 | (algorithm knot-key-configuration-algorithm | |
64 | (default #f)); one of #f, or an algorithm name | |
65 | (secret knot-key-configuration-secret | |
66 | (default ""))) | |
67 | ||
68 | (define-record-type* <knot-acl-configuration> | |
69 | knot-acl-configuration make-knot-acl-configuration | |
70 | knot-acl-configuration? | |
71 | (id knot-acl-configuration-id | |
72 | (default "")) | |
73 | (address knot-acl-configuration-address | |
74 | (default '())) | |
75 | (key knot-acl-configuration-key | |
76 | (default '())) | |
77 | (action knot-acl-configuration-action | |
78 | (default '())) | |
79 | (deny? knot-acl-configuration-deny? | |
80 | (default #f))) | |
81 | ||
82 | (define-record-type* <zone-entry> | |
83 | zone-entry make-zone-entry | |
84 | zone-entry? | |
85 | (name zone-entry-name | |
86 | (default "@")) | |
87 | (ttl zone-entry-ttl | |
88 | (default "")) | |
89 | (class zone-entry-class | |
90 | (default "IN")) | |
91 | (type zone-entry-type | |
92 | (default "A")) | |
93 | (data zone-entry-data | |
94 | (default ""))) | |
95 | ||
96 | (define-record-type* <zone-file> | |
97 | zone-file make-zone-file | |
98 | zone-file? | |
99 | (entries zone-file-entries | |
100 | (default '())) | |
101 | (origin zone-file-origin | |
102 | (default "")) | |
103 | (ns zone-file-ns | |
104 | (default "ns")) | |
105 | (mail zone-file-mail | |
106 | (default "hostmaster")) | |
107 | (serial zone-file-serial | |
108 | (default 1)) | |
109 | (refresh zone-file-refresh | |
f3853a25 | 110 | (default (* 2 24 3600))) |
ba69e8f7 | 111 | (retry zone-file-retry |
f3853a25 | 112 | (default (* 15 60))) |
ba69e8f7 | 113 | (expiry zone-file-expiry |
f3853a25 | 114 | (default (* 2 7 24 3600))) |
ba69e8f7 | 115 | (nx zone-file-nx |
f3853a25 | 116 | (default 3600))) |
ba69e8f7 JL |
117 | (define-record-type* <knot-keystore-configuration> |
118 | knot-keystore-configuration make-knot-keystore-configuration | |
119 | knot-keystore-configuration? | |
120 | (id knot-keystore-configuration-id | |
121 | (default "")) | |
122 | (backend knot-keystore-configuration-backend | |
123 | (default 'pem)) | |
124 | (config knot-keystore-configuration-config | |
125 | (default "/var/lib/knot/keys/keys"))) | |
126 | ||
127 | (define-record-type* <knot-policy-configuration> | |
128 | knot-policy-configuration make-knot-policy-configuration | |
129 | knot-policy-configuration? | |
130 | (id knot-policy-configuration-id | |
131 | (default "")) | |
132 | (keystore knot-policy-configuration-keystore | |
133 | (default "default")) | |
134 | (manual? knot-policy-configuration-manual? | |
135 | (default #f)) | |
136 | (single-type-signing? knot-policy-configuration-single-type-signing? | |
137 | (default #f)) | |
138 | (algorithm knot-policy-configuration-algorithm | |
139 | (default "ecdsap256sha256")) | |
140 | (ksk-size knot-policy-configuration-ksk-size | |
141 | (default 256)) | |
142 | (zsk-size knot-policy-configuration-zsk-size | |
143 | (default 256)) | |
144 | (dnskey-ttl knot-policy-configuration-dnskey-ttl | |
145 | (default 'default)) | |
146 | (zsk-lifetime knot-policy-configuration-zsk-lifetime | |
f3853a25 | 147 | (default (* 30 24 3600))) |
ba69e8f7 | 148 | (propagation-delay knot-policy-configuration-propagation-delay |
f3853a25 | 149 | (default (* 24 3600))) |
ba69e8f7 | 150 | (rrsig-lifetime knot-policy-configuration-rrsig-lifetime |
f3853a25 | 151 | (default (* 14 24 3600))) |
ba69e8f7 | 152 | (rrsig-refresh knot-policy-configuration-rrsig-refresh |
f3853a25 | 153 | (default (* 7 24 3600))) |
ba69e8f7 JL |
154 | (nsec3? knot-policy-configuration-nsec3? |
155 | (default #f)) | |
156 | (nsec3-iterations knot-policy-configuration-nsec3-iterations | |
157 | (default 5)) | |
158 | (nsec3-salt-length knot-policy-configuration-nsec3-salt-length | |
159 | (default 8)) | |
160 | (nsec3-salt-lifetime knot-policy-configuration-nsec3-salt-lifetime | |
f3853a25 | 161 | (default (* 30 24 3600)))) |
ba69e8f7 JL |
162 | |
163 | (define-record-type* <knot-zone-configuration> | |
164 | knot-zone-configuration make-knot-zone-configuration | |
165 | knot-zone-configuration? | |
166 | (domain knot-zone-configuration-domain | |
167 | (default "")) | |
168 | (file knot-zone-configuration-file | |
169 | (default "")) ; the file where this zone is saved. | |
170 | (zone knot-zone-configuration-zone | |
171 | (default (zone-file))) ; initial content of the zone file | |
172 | (master knot-zone-configuration-master | |
173 | (default '())) | |
174 | (ddns-master knot-zone-configuration-ddns-master | |
175 | (default #f)) | |
176 | (notify knot-zone-configuration-notify | |
177 | (default '())) | |
178 | (acl knot-zone-configuration-acl | |
179 | (default '())) | |
180 | (semantic-checks? knot-zone-configuration-semantic-checks? | |
181 | (default #f)) | |
182 | (disable-any? knot-zone-configuration-disable-any? | |
183 | (default #f)) | |
184 | (zonefile-sync knot-zone-configuration-zonefile-sync | |
185 | (default 0)) | |
186 | (dnssec-policy knot-zone-configuration-dnssec-policy | |
187 | (default #f)) | |
188 | (serial-policy knot-zone-configuration-serial-policy | |
189 | (default 'increment))) | |
190 | ||
191 | (define-record-type* <knot-remote-configuration> | |
192 | knot-remote-configuration make-knot-remote-configuration | |
193 | knot-remote-configuration? | |
194 | (id knot-remote-configuration-id | |
195 | (default "")) | |
196 | (address knot-remote-configuration-address | |
197 | (default '())) | |
198 | (via knot-remote-configuration-via | |
199 | (default '())) | |
200 | (key knot-remote-configuration-key | |
201 | (default #f))) | |
202 | ||
203 | (define-record-type* <knot-configuration> | |
204 | knot-configuration make-knot-configuration | |
205 | knot-configuration? | |
206 | (knot knot-configuration-knot | |
207 | (default knot)) | |
208 | (run-directory knot-configuration-run-directory | |
209 | (default "/var/run/knot")) | |
92eb600f JL |
210 | (includes knot-configuration-includes |
211 | (default '())) | |
ba69e8f7 JL |
212 | (listen-v4 knot-configuration-listen-v4 |
213 | (default "0.0.0.0")) | |
214 | (listen-v6 knot-configuration-listen-v6 | |
215 | (default "::")) | |
216 | (listen-port knot-configuration-listen-port | |
217 | (default 53)) | |
218 | (keys knot-configuration-keys | |
219 | (default '())) | |
220 | (keystores knot-configuration-keystores | |
221 | (default '())) | |
222 | (acls knot-configuration-acls | |
223 | (default '())) | |
224 | (remotes knot-configuration-remotes | |
225 | (default '())) | |
226 | (policies knot-configuration-policies | |
227 | (default '())) | |
228 | (zones knot-configuration-zones | |
229 | (default '()))) | |
230 | ||
231 | (define-syntax define-zone-entries | |
232 | (syntax-rules () | |
233 | ((_ id (name ttl class type data) ...) | |
234 | (define id (list (make-zone-entry name ttl class type data) ...))))) | |
235 | ||
236 | (define (error-out msg) | |
237 | (raise (condition (&message (message msg))))) | |
238 | ||
239 | (define (verify-knot-key-configuration key) | |
240 | (unless (knot-key-configuration? key) | |
241 | (error-out "keys must be a list of only knot-key-configuration.")) | |
242 | (let ((id (knot-key-configuration-id key))) | |
243 | (unless (and (string? id) (not (equal? id ""))) | |
244 | (error-out "key id must be a non empty string."))) | |
245 | (unless (memq '(#f hmac-md5 hmac-sha1 hmac-sha224 hmac-sha256 hmac-sha384 hmac-sha512) | |
246 | (knot-key-configuration-algorithm key)) | |
247 | (error-out "algorithm must be one of: #f, 'hmac-md5, 'hmac-sha1, | |
248 | 'hmac-sha224, 'hmac-sha256, 'hmac-sha384 or 'hmac-sha512"))) | |
249 | ||
250 | (define (verify-knot-keystore-configuration keystore) | |
251 | (unless (knot-keystore-configuration? keystore) | |
252 | (error-out "keystores must be a list of only knot-keystore-configuration.")) | |
253 | (let ((id (knot-keystore-configuration-id keystore))) | |
254 | (unless (and (string? id) (not (equal? id ""))) | |
255 | (error-out "keystore id must be a non empty string."))) | |
256 | (unless (memq '(pem pkcs11) | |
257 | (knot-keystore-configuration-backend keystore)) | |
258 | (error-out "backend must be one of: 'pem or 'pkcs11"))) | |
259 | ||
260 | (define (verify-knot-policy-configuration policy) | |
f3853a25 | 261 | (unless (knot-policy-configuration? policy) |
ba69e8f7 JL |
262 | (error-out "policies must be a list of only knot-policy-configuration.")) |
263 | (let ((id (knot-policy-configuration-id policy))) | |
264 | (unless (and (string? id) (not (equal? id ""))) | |
265 | (error-out "policy id must be a non empty string.")))) | |
266 | ||
267 | (define (verify-knot-acl-configuration acl) | |
268 | (unless (knot-acl-configuration? acl) | |
269 | (error-out "acls must be a list of only knot-acl-configuration.")) | |
270 | (let ((id (knot-acl-configuration-id acl)) | |
271 | (address (knot-acl-configuration-address acl)) | |
272 | (key (knot-acl-configuration-key acl)) | |
273 | (action (knot-acl-configuration-action acl))) | |
274 | (unless (and (string? id) (not (equal? id ""))) | |
275 | (error-out "acl id must be a non empty string.")) | |
276 | (unless (and (list? address) | |
277 | (fold (lambda (x1 x2) (and (string? x1) (string? x2))) "" address)) | |
278 | (error-out "acl address must be a list of strings."))) | |
279 | (unless (boolean? (knot-acl-configuration-deny? acl)) | |
280 | (error-out "deny? must be #t or #f."))) | |
281 | ||
282 | (define (verify-knot-zone-configuration zone) | |
283 | (unless (knot-zone-configuration? zone) | |
284 | (error-out "zones must be a list of only knot-zone-configuration.")) | |
285 | (let ((domain (knot-zone-configuration-domain zone))) | |
286 | (unless (and (string? domain) (not (equal? domain ""))) | |
287 | (error-out "zone domain must be a non empty string.")))) | |
288 | ||
289 | (define (verify-knot-remote-configuration remote) | |
290 | (unless (knot-remote-configuration? remote) | |
291 | (error-out "remotes must be a list of only knot-remote-configuration.")) | |
292 | (let ((id (knot-remote-configuration-id remote))) | |
293 | (unless (and (string? id) (not (equal? id ""))) | |
294 | (error-out "remote id must be a non empty string.")))) | |
295 | ||
296 | (define (verify-knot-configuration config) | |
297 | (unless (package? (knot-configuration-knot config)) | |
298 | (error-out "knot configuration field must be a package.")) | |
299 | (unless (string? (knot-configuration-run-directory config)) | |
300 | (error-out "run-directory must be a string.")) | |
92eb600f JL |
301 | (unless (list? (knot-configuration-includes config)) |
302 | (error-out "includes must be a list of strings or file-like objects.")) | |
ba69e8f7 JL |
303 | (unless (list? (knot-configuration-keys config)) |
304 | (error-out "keys must be a list of knot-key-configuration.")) | |
305 | (for-each (lambda (key) (verify-knot-key-configuration key)) | |
306 | (knot-configuration-keys config)) | |
307 | (unless (list? (knot-configuration-keystores config)) | |
308 | (error-out "keystores must be a list of knot-keystore-configuration.")) | |
309 | (for-each (lambda (keystore) (verify-knot-keystore-configuration keystore)) | |
310 | (knot-configuration-keystores config)) | |
311 | (unless (list? (knot-configuration-acls config)) | |
312 | (error-out "acls must be a list of knot-acl-configuration.")) | |
313 | (for-each (lambda (acl) (verify-knot-acl-configuration acl)) | |
314 | (knot-configuration-acls config)) | |
315 | (unless (list? (knot-configuration-zones config)) | |
316 | (error-out "zones must be a list of knot-zone-configuration.")) | |
317 | (for-each (lambda (zone) (verify-knot-zone-configuration zone)) | |
318 | (knot-configuration-zones config)) | |
319 | (unless (list? (knot-configuration-policies config)) | |
320 | (error-out "policies must be a list of knot-policy-configuration.")) | |
321 | (for-each (lambda (policy) (verify-knot-policy-configuration policy)) | |
322 | (knot-configuration-policies config)) | |
323 | (unless (list? (knot-configuration-remotes config)) | |
324 | (error-out "remotes must be a list of knot-remote-configuration.")) | |
325 | (for-each (lambda (remote) (verify-knot-remote-configuration remote)) | |
326 | (knot-configuration-remotes config)) | |
327 | #t) | |
328 | ||
329 | (define (format-string-list l) | |
330 | "Formats a list of string in YAML" | |
331 | (if (eq? l '()) | |
332 | "" | |
333 | (let ((l (reverse l))) | |
334 | (string-append | |
335 | "[" | |
336 | (fold (lambda (x1 x2) | |
337 | (string-append (if (symbol? x1) (symbol->string x1) x1) ", " | |
338 | (if (symbol? x2) (symbol->string x2) x2))) | |
e379d1b5 | 339 | (if (symbol? (car l)) (symbol->string (car l)) (car l)) (cdr l)) |
ba69e8f7 JL |
340 | "]")))) |
341 | ||
342 | (define (knot-acl-config acls) | |
343 | (with-output-to-string | |
344 | (lambda () | |
345 | (for-each | |
346 | (lambda (acl-config) | |
347 | (let ((id (knot-acl-configuration-id acl-config)) | |
348 | (address (knot-acl-configuration-address acl-config)) | |
349 | (key (knot-acl-configuration-key acl-config)) | |
350 | (action (knot-acl-configuration-action acl-config)) | |
351 | (deny? (knot-acl-configuration-deny? acl-config))) | |
352 | (format #t " - id: ~a\n" id) | |
353 | (unless (eq? address '()) | |
354 | (format #t " address: ~a\n" (format-string-list address))) | |
355 | (unless (eq? key '()) | |
356 | (format #t " key: ~a\n" (format-string-list key))) | |
357 | (unless (eq? action '()) | |
358 | (format #t " action: ~a\n" (format-string-list action))) | |
359 | (format #t " deny: ~a\n" (if deny? "on" "off")))) | |
360 | acls)))) | |
361 | ||
362 | (define (knot-key-config keys) | |
363 | (with-output-to-string | |
364 | (lambda () | |
365 | (for-each | |
366 | (lambda (key-config) | |
367 | (let ((id (knot-key-configuration-id key-config)) | |
368 | (algorithm (knot-key-configuration-algorithm key-config)) | |
369 | (secret (knot-key-configuration-secret key-config))) | |
370 | (format #t " - id: ~a\n" id) | |
371 | (if algorithm | |
372 | (format #t " algorithm: ~a\n" (symbol->string algorithm))) | |
373 | (format #t " secret: ~a\n" secret))) | |
374 | keys)))) | |
375 | ||
376 | (define (knot-keystore-config keystores) | |
377 | (with-output-to-string | |
378 | (lambda () | |
379 | (for-each | |
380 | (lambda (keystore-config) | |
381 | (let ((id (knot-keystore-configuration-id keystore-config)) | |
382 | (backend (knot-keystore-configuration-backend keystore-config)) | |
383 | (config (knot-keystore-configuration-config keystore-config))) | |
384 | (format #t " - id: ~a\n" id) | |
385 | (format #t " backend: ~a\n" (symbol->string backend)) | |
386 | (format #t " config: \"~a\"\n" config))) | |
387 | keystores)))) | |
388 | ||
389 | (define (knot-policy-config policies) | |
390 | (with-output-to-string | |
391 | (lambda () | |
392 | (for-each | |
393 | (lambda (policy-config) | |
394 | (let ((id (knot-policy-configuration-id policy-config)) | |
395 | (keystore (knot-policy-configuration-keystore policy-config)) | |
396 | (manual? (knot-policy-configuration-manual? policy-config)) | |
397 | (single-type-signing? (knot-policy-configuration-single-type-signing? | |
398 | policy-config)) | |
399 | (algorithm (knot-policy-configuration-algorithm policy-config)) | |
400 | (ksk-size (knot-policy-configuration-ksk-size policy-config)) | |
401 | (zsk-size (knot-policy-configuration-zsk-size policy-config)) | |
402 | (dnskey-ttl (knot-policy-configuration-dnskey-ttl policy-config)) | |
403 | (zsk-lifetime (knot-policy-configuration-zsk-lifetime policy-config)) | |
404 | (propagation-delay (knot-policy-configuration-propagation-delay | |
405 | policy-config)) | |
406 | (rrsig-lifetime (knot-policy-configuration-rrsig-lifetime | |
407 | policy-config)) | |
408 | (nsec3? (knot-policy-configuration-nsec3? policy-config)) | |
409 | (nsec3-iterations (knot-policy-configuration-nsec3-iterations | |
410 | policy-config)) | |
411 | (nsec3-salt-length (knot-policy-configuration-nsec3-salt-length | |
412 | policy-config)) | |
413 | (nsec3-salt-lifetime (knot-policy-configuration-nsec3-salt-lifetime | |
414 | policy-config))) | |
415 | (format #t " - id: ~a\n" id) | |
416 | (format #t " keystore: ~a\n" keystore) | |
417 | (format #t " manual: ~a\n" (if manual? "on" "off")) | |
418 | (format #t " single-type-signing: ~a\n" (if single-type-signing? | |
419 | "on" "off")) | |
420 | (format #t " algorithm: ~a\n" algorithm) | |
421 | (format #t " ksk-size: ~a\n" (number->string ksk-size)) | |
422 | (format #t " zsk-size: ~a\n" (number->string zsk-size)) | |
423 | (unless (eq? dnskey-ttl 'default) | |
424 | (format #t " dnskey-ttl: ~a\n" dnskey-ttl)) | |
425 | (format #t " zsk-lifetime: ~a\n" zsk-lifetime) | |
426 | (format #t " propagation-delay: ~a\n" propagation-delay) | |
427 | (format #t " rrsig-lifetime: ~a\n" rrsig-lifetime) | |
428 | (format #t " nsec3: ~a\n" (if nsec3? "on" "off")) | |
429 | (format #t " nsec3-iterations: ~a\n" | |
430 | (number->string nsec3-iterations)) | |
431 | (format #t " nsec3-salt-length: ~a\n" | |
432 | (number->string nsec3-salt-length)) | |
433 | (format #t " nsec3-salt-lifetime: ~a\n" nsec3-salt-lifetime))) | |
434 | policies)))) | |
435 | ||
436 | (define (knot-remote-config remotes) | |
437 | (with-output-to-string | |
438 | (lambda () | |
439 | (for-each | |
440 | (lambda (remote-config) | |
441 | (let ((id (knot-remote-configuration-id remote-config)) | |
442 | (address (knot-remote-configuration-address remote-config)) | |
443 | (via (knot-remote-configuration-via remote-config)) | |
444 | (key (knot-remote-configuration-key remote-config))) | |
445 | (format #t " - id: ~a\n" id) | |
446 | (unless (eq? address '()) | |
447 | (format #t " address: ~a\n" (format-string-list address))) | |
448 | (unless (eq? via '()) | |
449 | (format #t " via: ~a\n" (format-string-list via))) | |
450 | (if key | |
451 | (format #t " key: ~a\n" key)))) | |
452 | remotes)))) | |
453 | ||
454 | (define (serialize-zone-entries entries) | |
455 | (with-output-to-string | |
456 | (lambda () | |
457 | (for-each | |
458 | (lambda (entry) | |
459 | (let ((name (zone-entry-name entry)) | |
460 | (ttl (zone-entry-ttl entry)) | |
461 | (class (zone-entry-class entry)) | |
462 | (type (zone-entry-type entry)) | |
463 | (data (zone-entry-data entry))) | |
464 | (format #t "~a ~a ~a ~a ~a\n" name ttl class type data))) | |
465 | entries)))) | |
466 | ||
467 | (define (serialize-zone-file zone domain) | |
468 | (computed-file (string-append domain ".zone") | |
469 | #~(begin | |
470 | (call-with-output-file #$output | |
471 | (lambda (port) | |
472 | (format port "$ORIGIN ~a.\n" | |
473 | #$(zone-file-origin zone)) | |
474 | (format port "@ IN SOA ~a ~a (~a ~a ~a ~a ~a)\n" | |
475 | #$(zone-file-ns zone) | |
476 | #$(zone-file-mail zone) | |
477 | #$(zone-file-serial zone) | |
478 | #$(zone-file-refresh zone) | |
479 | #$(zone-file-retry zone) | |
480 | #$(zone-file-expiry zone) | |
481 | #$(zone-file-nx zone)) | |
482 | (format port "~a\n" | |
483 | #$(serialize-zone-entries (zone-file-entries zone)))))))) | |
484 | ||
485 | (define (knot-zone-config zone) | |
486 | (let ((content (knot-zone-configuration-zone zone))) | |
487 | #~(with-output-to-string | |
488 | (lambda () | |
489 | (let ((domain #$(knot-zone-configuration-domain zone)) | |
490 | (file #$(knot-zone-configuration-file zone)) | |
491 | (master (list #$@(knot-zone-configuration-master zone))) | |
492 | (ddns-master #$(knot-zone-configuration-ddns-master zone)) | |
493 | (notify (list #$@(knot-zone-configuration-notify zone))) | |
494 | (acl (list #$@(knot-zone-configuration-acl zone))) | |
495 | (semantic-checks? #$(knot-zone-configuration-semantic-checks? zone)) | |
496 | (disable-any? #$(knot-zone-configuration-disable-any? zone)) | |
497 | (dnssec-policy #$(knot-zone-configuration-dnssec-policy zone)) | |
498 | (serial-policy '#$(knot-zone-configuration-serial-policy zone))) | |
499 | (format #t " - domain: ~a\n" domain) | |
500 | (if (eq? master '()) | |
501 | ;; This server is a master | |
502 | (if (equal? file "") | |
503 | (format #t " file: ~a\n" | |
504 | #$(serialize-zone-file content | |
505 | (knot-zone-configuration-domain zone))) | |
506 | (format #t " file: ~a\n" file)) | |
507 | ;; This server is a slave (has masters) | |
508 | (begin | |
509 | (format #t " master: ~a\n" | |
510 | #$(format-string-list | |
511 | (knot-zone-configuration-master zone))) | |
512 | (if ddns-master (format #t " ddns-master ~a\n" ddns-master)))) | |
513 | (unless (eq? notify '()) | |
514 | (format #t " notify: ~a\n" | |
515 | #$(format-string-list | |
516 | (knot-zone-configuration-notify zone)))) | |
517 | (unless (eq? acl '()) | |
518 | (format #t " acl: ~a\n" | |
519 | #$(format-string-list | |
520 | (knot-zone-configuration-acl zone)))) | |
521 | (format #t " semantic-checks: ~a\n" (if semantic-checks? "on" "off")) | |
522 | (format #t " disable-any: ~a\n" (if disable-any? "on" "off")) | |
523 | (if dnssec-policy | |
524 | (begin | |
525 | (format #t " dnssec-signing: on\n") | |
526 | (format #t " dnssec-policy: ~a\n" dnssec-policy))) | |
527 | (format #t " serial-policy: ~a\n" | |
528 | (symbol->string serial-policy))))))) | |
529 | ||
530 | (define (knot-config-file config) | |
531 | (verify-knot-configuration config) | |
532 | (computed-file "knot.conf" | |
533 | #~(begin | |
534 | (call-with-output-file #$output | |
535 | (lambda (port) | |
92eb600f JL |
536 | (if (knot-configuration-includes config) |
537 | (for-each (lambda (inc) | |
538 | (format port "include: ~a\n" inc)) | |
539 | (knot-configuration-includes config))) | |
ba69e8f7 JL |
540 | (format port "server:\n") |
541 | (format port " rundir: ~a\n" #$(knot-configuration-run-directory config)) | |
542 | (format port " user: knot\n") | |
543 | (format port " listen: ~a@~a\n" | |
544 | #$(knot-configuration-listen-v4 config) | |
545 | #$(knot-configuration-listen-port config)) | |
546 | (format port " listen: ~a@~a\n" | |
547 | #$(knot-configuration-listen-v6 config) | |
548 | #$(knot-configuration-listen-port config)) | |
549 | (format port "\nkey:\n") | |
550 | (format port #$(knot-key-config (knot-configuration-keys config))) | |
551 | (format port "\nkeystore:\n") | |
552 | (format port #$(knot-keystore-config (knot-configuration-keystores config))) | |
553 | (format port "\nacl:\n") | |
554 | (format port #$(knot-acl-config (knot-configuration-acls config))) | |
555 | (format port "\nremote:\n") | |
556 | (format port #$(knot-remote-config (knot-configuration-remotes config))) | |
557 | (format port "\npolicy:\n") | |
558 | (format port #$(knot-policy-config (knot-configuration-policies config))) | |
559 | (unless #$(eq? (knot-configuration-zones config) '()) | |
560 | (format port "\nzone:\n") | |
561 | (format port "~a\n" | |
562 | (string-concatenate | |
563 | (list #$@(map knot-zone-config | |
564 | (knot-configuration-zones config))))))))))) | |
565 | ||
566 | (define %knot-accounts | |
567 | (list (user-group (name "knot") (system? #t)) | |
568 | (user-account | |
569 | (name "knot") | |
570 | (group "knot") | |
571 | (system? #t) | |
572 | (comment "knot dns server user") | |
573 | (home-directory "/var/empty") | |
574 | (shell (file-append shadow "/sbin/nologin"))))) | |
575 | ||
576 | (define (knot-activation config) | |
577 | #~(begin | |
578 | (use-modules (guix build utils)) | |
579 | (define (mkdir-p/perms directory owner perms) | |
580 | (mkdir-p directory) | |
581 | (chown directory (passwd:uid owner) (passwd:gid owner)) | |
582 | (chmod directory perms)) | |
583 | (mkdir-p/perms #$(knot-configuration-run-directory config) | |
584 | (getpwnam "knot") #o755) | |
585 | (mkdir-p/perms "/var/lib/knot" (getpwnam "knot") #o755) | |
586 | (mkdir-p/perms "/var/lib/knot/keys" (getpwnam "knot") #o755) | |
587 | (mkdir-p/perms "/var/lib/knot/keys/keys" (getpwnam "knot") #o755))) | |
588 | ||
589 | (define (knot-shepherd-service config) | |
590 | (let* ((config-file (knot-config-file config)) | |
591 | (knot (knot-configuration-knot config))) | |
592 | (list (shepherd-service | |
593 | (documentation "Run the Knot DNS daemon.") | |
594 | (provision '(knot dns)) | |
595 | (requirement '(networking)) | |
596 | (start #~(make-forkexec-constructor | |
597 | (list (string-append #$knot "/sbin/knotd") | |
598 | "-c" #$config-file))) | |
599 | (stop #~(make-kill-destructor)))))) | |
600 | ||
601 | (define knot-service-type | |
602 | (service-type (name 'knot) | |
603 | (extensions | |
604 | (list (service-extension shepherd-root-service-type | |
605 | knot-shepherd-service) | |
606 | (service-extension activation-service-type | |
607 | knot-activation) | |
608 | (service-extension account-service-type | |
609 | (const %knot-accounts)))))) | |
97f6e913 SB |
610 | |
611 | \f | |
612 | ;;; | |
613 | ;;; Dnsmasq. | |
614 | ;;; | |
615 | ||
616 | (define-record-type* <dnsmasq-configuration> | |
617 | dnsmasq-configuration make-dnsmasq-configuration | |
618 | dnsmasq-configuration? | |
619 | (package dnsmasq-configuration-package | |
620 | (default dnsmasq)) ;package | |
621 | (no-hosts? dnsmasq-configuration-no-hosts? | |
622 | (default #f)) ;boolean | |
623 | (port dnsmasq-configuration-port | |
624 | (default 53)) ;integer | |
625 | (local-service? dnsmasq-configuration-local-service? | |
626 | (default #t)) ;boolean | |
627 | (listen-addresses dnsmasq-configuration-listen-address | |
628 | (default '())) ;list of string | |
629 | (resolv-file dnsmasq-configuration-resolv-file | |
630 | (default "/etc/resolv.conf")) ;string | |
631 | (no-resolv? dnsmasq-configuration-no-resolv? | |
632 | (default #f)) ;boolean | |
633 | (servers dnsmasq-configuration-servers | |
634 | (default '())) ;list of string | |
635 | (cache-size dnsmasq-configuration-cache-size | |
636 | (default 150)) ;integer | |
c061eb58 SB |
637 | (negative-cache? dnsmasq-configuration-negative-cache? |
638 | (default #t))) ;boolean | |
97f6e913 SB |
639 | |
640 | (define dnsmasq-shepherd-service | |
641 | (match-lambda | |
642 | (($ <dnsmasq-configuration> package | |
643 | no-hosts? | |
644 | port local-service? listen-addresses | |
645 | resolv-file no-resolv? servers | |
c061eb58 | 646 | cache-size negative-cache?) |
97f6e913 SB |
647 | (shepherd-service |
648 | (provision '(dnsmasq)) | |
649 | (requirement '(networking)) | |
650 | (documentation "Run the dnsmasq DNS server.") | |
651 | (start #~(make-forkexec-constructor | |
652 | '(#$(file-append package "/sbin/dnsmasq") | |
653 | "--keep-in-foreground" | |
654 | "--pid-file=/run/dnsmasq.pid" | |
655 | #$@(if no-hosts? | |
656 | '("--no-hosts") | |
657 | '()) | |
658 | #$(format #f "--port=~a" port) | |
659 | #$@(if local-service? | |
660 | '("--local-service") | |
661 | '()) | |
662 | #$@(map (cut format #f "--listen-address=~a" <>) | |
663 | listen-addresses) | |
664 | #$(format #f "--resolv-file=~a" resolv-file) | |
665 | #$@(if no-resolv? | |
666 | '("--no-resolv") | |
667 | '()) | |
668 | #$@(map (cut format #f "--server=~a" <>) | |
669 | servers) | |
670 | #$(format #f "--cache-size=~a" cache-size) | |
c061eb58 SB |
671 | #$@(if negative-cache? |
672 | '() | |
673 | '("--no-negcache"))) | |
97f6e913 SB |
674 | #:pid-file "/run/dnsmasq.pid")) |
675 | (stop #~(make-kill-destructor)))))) | |
676 | ||
677 | (define dnsmasq-service-type | |
678 | (service-type | |
679 | (name 'dnsmasq) | |
680 | (extensions | |
681 | (list (service-extension shepherd-root-service-type | |
0d4c2d35 SB |
682 | (compose list dnsmasq-shepherd-service)))) |
683 | (default-value (dnsmasq-configuration)) | |
684 | (description "Run the dnsmasq DNS server."))) | |
8490a834 OP |
685 | |
686 | \f | |
687 | ;;; | |
688 | ;;; ddclient | |
689 | ;;; | |
690 | ||
691 | (define (uglify-field-name field-name) | |
692 | (string-delete #\? (symbol->string field-name))) | |
693 | ||
694 | (define (serialize-field field-name val) | |
9325533b OP |
695 | (when (not (member field-name '(group secret-file user))) |
696 | (format #t "~a=~a\n" (uglify-field-name field-name) val))) | |
8490a834 OP |
697 | |
698 | (define (serialize-boolean field-name val) | |
699 | (serialize-field field-name (if val "yes" "no"))) | |
700 | ||
701 | (define (serialize-integer field-name val) | |
702 | (serialize-field field-name (number->string val))) | |
703 | ||
704 | (define (serialize-string field-name val) | |
705 | (if (and (string? val) (string=? val "")) | |
706 | "" | |
707 | (serialize-field field-name val))) | |
708 | ||
709 | (define (serialize-list field-name val) | |
710 | (if (null? val) "" (serialize-field field-name (string-join val)))) | |
711 | ||
712 | (define (serialize-extra-options extra-options) | |
713 | (string-join extra-options "\n" 'suffix)) | |
714 | ||
715 | (define-configuration ddclient-configuration | |
716 | (ddclient | |
717 | (package ddclient) | |
718 | "The ddclient package.") | |
719 | (daemon | |
720 | (integer 300) | |
721 | "The period after which ddclient will retry to check IP and domain name.") | |
722 | (syslog | |
723 | (boolean #t) | |
724 | "Use syslog for the output.") | |
725 | ||
726 | (string "root") | |
727 | "Mail to user.") | |
728 | (mail-failure | |
729 | (string "root") | |
730 | "Mail failed update to user.") | |
731 | (pid | |
732 | (string "/var/run/ddclient/ddclient.pid") | |
733 | "The ddclient PID file.") | |
734 | (ssl | |
735 | (boolean #t) | |
736 | "Enable SSL support.") | |
737 | (user | |
738 | (string "ddclient") | |
739 | "Specifies the user name or ID that is used when running ddclient | |
740 | program.") | |
741 | (group | |
742 | (string "ddclient") | |
743 | "Group of the user who will run the ddclient program.") | |
744 | (secret-file | |
745 | (string "/etc/ddclient/secrets.conf") | |
746 | "Secret file which will be appended to @file{ddclient.conf} file. This | |
747 | file contains credentials for use by ddclient. You are expected to create it | |
748 | manually.") | |
749 | (extra-options | |
750 | (list '()) | |
751 | "Extra options will be appended to @file{ddclient.conf} file.")) | |
752 | ||
753 | (define (ddclient-account config) | |
754 | "Return the user accounts and user groups for CONFIG." | |
755 | (let ((ddclient-user (ddclient-configuration-user config)) | |
756 | (ddclient-group (ddclient-configuration-group config))) | |
757 | (list (user-group | |
758 | (name ddclient-group) | |
759 | (system? #t)) | |
760 | (user-account | |
761 | (name ddclient-user) | |
762 | (system? #t) | |
763 | (group ddclient-group) | |
764 | (comment "ddclientd privilege separation user") | |
765 | (home-directory (string-append "/var/run/" ddclient-user)))))) | |
766 | ||
767 | (define (ddclient-activation config) | |
768 | "Return the activation GEXP for CONFIG." | |
769 | (with-imported-modules '((guix build utils) | |
770 | (ice-9 rdelim)) | |
771 | #~(begin | |
772 | (use-modules (guix build utils) | |
773 | (ice-9 rdelim)) | |
774 | (let ((ddclient-user | |
7f860a8b | 775 | (passwd:uid (getpw #$(ddclient-configuration-user config)))) |
8490a834 | 776 | (ddclient-group |
7f860a8b | 777 | (passwd:gid (getpw #$(ddclient-configuration-group config)))) |
8490a834 OP |
778 | (ddclient-secret-file |
779 | #$(ddclient-configuration-secret-file config))) | |
780 | ;; 'ddclient' complains about ddclient.conf file permissions, which | |
781 | ;; rules out /gnu/store. Thus we copy the ddclient.conf to /etc. | |
782 | (for-each (lambda (dir) | |
783 | (mkdir-p dir) | |
784 | (chmod dir #o700) | |
785 | (chown dir ddclient-user ddclient-group)) | |
786 | '("/var/cache/ddclient" "/var/run/ddclient" | |
787 | "/etc/ddclient")) | |
788 | (with-output-to-file "/etc/ddclient/ddclient.conf" | |
789 | (lambda () | |
790 | (display | |
791 | (string-append | |
792 | "# Generated by 'ddclient-service'.\n\n" | |
793 | #$(with-output-to-string | |
794 | (lambda () | |
795 | (serialize-configuration config | |
796 | ddclient-configuration-fields))) | |
797 | (if (string-null? ddclient-secret-file) | |
798 | "" | |
799 | (format #f "\n\n# Appended from '~a'.\n\n~a" | |
800 | ddclient-secret-file | |
801 | (with-input-from-file ddclient-secret-file | |
802 | read-string))))))) | |
803 | (chmod "/etc/ddclient/ddclient.conf" #o600) | |
804 | (chown "/etc/ddclient/ddclient.conf" | |
805 | ddclient-user ddclient-group))))) | |
806 | ||
807 | (define (ddclient-shepherd-service config) | |
808 | "Return a <shepherd-service> for ddclient with CONFIG." | |
809 | (let ((ddclient (ddclient-configuration-ddclient config)) | |
810 | (ddclient-pid (ddclient-configuration-pid config)) | |
811 | (ddclient-user (ddclient-configuration-user config)) | |
812 | (ddclient-group (ddclient-configuration-group config))) | |
813 | (list (shepherd-service | |
814 | (provision '(ddclient)) | |
815 | (documentation "Run ddclient daemon.") | |
816 | (start #~(make-forkexec-constructor | |
817 | (list #$(file-append ddclient "/bin/ddclient") | |
818 | "-foreground" | |
819 | "-file" "/etc/ddclient/ddclient.conf") | |
820 | #:pid-file #$ddclient-pid | |
821 | #:environment-variables | |
822 | (list "SSL_CERT_DIR=/run/current-system/profile\ | |
823 | /etc/ssl/certs" | |
824 | "SSL_CERT_FILE=/run/current-system/profile\ | |
825 | /etc/ssl/certs/ca-certificates.crt") | |
826 | #:user #$ddclient-user | |
827 | #:group #$ddclient-group)) | |
828 | (stop #~(make-kill-destructor)))))) | |
829 | ||
830 | (define ddclient-service-type | |
831 | (service-type | |
832 | (name 'ddclient) | |
833 | (extensions | |
834 | (list (service-extension account-service-type | |
835 | ddclient-account) | |
836 | (service-extension shepherd-root-service-type | |
837 | ddclient-shepherd-service) | |
838 | (service-extension activation-service-type | |
839 | ddclient-activation))) | |
840 | (default-value (ddclient-configuration)) | |
841 | (description "Configure address updating utility for dynamic DNS services, | |
842 | ddclient."))) | |
843 | ||
844 | (define (generate-ddclient-documentation) | |
845 | (generate-documentation | |
846 | `((ddclient-configuration ,ddclient-configuration-fields)) | |
847 | 'ddclient-configuration)) |