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f33e2d78 | 1 | ;;; GNU Guix --- Functional package management for GNU |
71b0601a DC |
2 | ;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> |
3 | ;;; Copyright © 2016 David Craven <david@craven.ch> | |
86d8f6d3 | 4 | ;;; Copyright © 2016 Julien Lepiller <julien@lepiller.eu> |
e57bd0be | 5 | ;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org> |
f33e2d78 LC |
6 | ;;; |
7 | ;;; This file is part of GNU Guix. | |
8 | ;;; | |
9 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
10 | ;;; under the terms of the GNU General Public License as published by | |
11 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
12 | ;;; your option) any later version. | |
13 | ;;; | |
14 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
15 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;;; GNU General Public License for more details. | |
18 | ;;; | |
19 | ;;; You should have received a copy of the GNU General Public License | |
20 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | (define-module (gnu services ssh) | |
71b0601a | 23 | #:use-module (gnu packages ssh) |
86d8f6d3 | 24 | #:use-module (gnu packages admin) |
f33e2d78 | 25 | #:use-module (gnu services) |
0190c1c0 | 26 | #:use-module (gnu services shepherd) |
6e828634 | 27 | #:use-module (gnu system pam) |
86d8f6d3 | 28 | #:use-module (gnu system shadow) |
71b0601a DC |
29 | #:use-module (guix gexp) |
30 | #:use-module (guix records) | |
fde40c98 | 31 | #:use-module (srfi srfi-26) |
86d8f6d3 | 32 | #:use-module (ice-9 match) |
24e96431 TČ |
33 | #:export (lsh-configuration |
34 | lsh-configuration? | |
35 | lsh-service | |
36 | lsh-service-type | |
71b0601a | 37 | |
86d8f6d3 JL |
38 | openssh-configuration |
39 | openssh-configuration? | |
40 | openssh-service-type | |
86d8f6d3 | 41 | |
71b0601a DC |
42 | dropbear-configuration |
43 | dropbear-configuration? | |
44 | dropbear-service-type | |
45 | dropbear-service)) | |
f33e2d78 LC |
46 | |
47 | ;;; Commentary: | |
48 | ;;; | |
49 | ;;; This module implements secure shell (SSH) services. | |
50 | ;;; | |
51 | ;;; Code: | |
52 | ||
0adfe95a LC |
53 | (define-record-type* <lsh-configuration> |
54 | lsh-configuration make-lsh-configuration | |
55 | lsh-configuration? | |
56 | (lsh lsh-configuration-lsh | |
57 | (default lsh)) | |
58 | (daemonic? lsh-configuration-daemonic?) | |
59 | (host-key lsh-configuration-host-key) | |
60 | (interfaces lsh-configuration-interfaces) | |
61 | (port-number lsh-configuration-port-number) | |
62 | (allow-empty-passwords? lsh-configuration-allow-empty-passwords?) | |
63 | (root-login? lsh-configuration-root-login?) | |
64 | (syslog-output? lsh-configuration-syslog-output?) | |
65 | (pid-file? lsh-configuration-pid-file?) | |
66 | (pid-file lsh-configuration-pid-file) | |
67 | (x11-forwarding? lsh-configuration-x11-forwarding?) | |
68 | (tcp/ip-forwarding? lsh-configuration-tcp/ip-forwarding?) | |
69 | (password-authentication? lsh-configuration-password-authentication?) | |
70 | (public-key-authentication? lsh-configuration-public-key-authentication?) | |
71 | (initialize? lsh-configuration-initialize?)) | |
72 | ||
f33e2d78 LC |
73 | (define %yarrow-seed |
74 | "/var/spool/lsh/yarrow-seed-file") | |
75 | ||
0adfe95a LC |
76 | (define (lsh-initialization lsh host-key) |
77 | "Return the gexp to initialize the LSH service for HOST-KEY." | |
f33e2d78 LC |
78 | #~(begin |
79 | (unless (file-exists? #$%yarrow-seed) | |
80 | (system* (string-append #$lsh "/bin/lsh-make-seed") | |
81 | "--sloppy" "-o" #$%yarrow-seed)) | |
82 | ||
83 | (unless (file-exists? #$host-key) | |
84 | (mkdir-p (dirname #$host-key)) | |
85 | (format #t "creating SSH host key '~a'...~%" #$host-key) | |
86 | ||
87 | ;; FIXME: We're just doing a simple pipeline, but 'system' cannot be | |
88 | ;; used yet because /bin/sh might be dangling; factorize this somehow. | |
89 | (let* ((in+out (pipe)) | |
90 | (keygen (primitive-fork))) | |
91 | (case keygen | |
92 | ((0) | |
93 | (close-port (car in+out)) | |
94 | (close-fdes 1) | |
95 | (dup2 (fileno (cdr in+out)) 1) | |
96 | (execl (string-append #$lsh "/bin/lsh-keygen") | |
97 | "lsh-keygen" "--server")) | |
98 | (else | |
99 | (let ((write-key (primitive-fork))) | |
100 | (case write-key | |
101 | ((0) | |
102 | (close-port (cdr in+out)) | |
103 | (close-fdes 0) | |
104 | (dup2 (fileno (car in+out)) 0) | |
105 | (execl (string-append #$lsh "/bin/lsh-writekey") | |
106 | "lsh-writekey" "--server" "-o" #$host-key)) | |
107 | (else | |
108 | (close-port (car in+out)) | |
109 | (close-port (cdr in+out)) | |
110 | (waitpid keygen) | |
111 | (waitpid write-key)))))))))) | |
112 | ||
0adfe95a LC |
113 | (define (lsh-activation config) |
114 | "Return the activation gexp for CONFIG." | |
115 | #~(begin | |
116 | (use-modules (guix build utils)) | |
117 | (mkdir-p "/var/spool/lsh") | |
118 | #$(if (lsh-configuration-initialize? config) | |
119 | (lsh-initialization (lsh-configuration-lsh config) | |
120 | (lsh-configuration-host-key config)) | |
121 | #t))) | |
122 | ||
d4053c71 AK |
123 | (define (lsh-shepherd-service config) |
124 | "Return a <shepherd-service> for lsh with CONFIG." | |
0adfe95a LC |
125 | (define lsh (lsh-configuration-lsh config)) |
126 | (define pid-file (lsh-configuration-pid-file config)) | |
127 | (define pid-file? (lsh-configuration-pid-file? config)) | |
128 | (define daemonic? (lsh-configuration-daemonic? config)) | |
129 | (define interfaces (lsh-configuration-interfaces config)) | |
130 | ||
131 | (define lsh-command | |
132 | (append | |
9e41130b | 133 | (cons (file-append lsh "/sbin/lshd") |
0adfe95a LC |
134 | (if daemonic? |
135 | (let ((syslog (if (lsh-configuration-syslog-output? config) | |
136 | '() | |
137 | (list "--no-syslog")))) | |
138 | (cons "--daemonic" | |
139 | (if pid-file? | |
140 | (cons #~(string-append "--pid-file=" #$pid-file) | |
141 | syslog) | |
142 | (cons "--no-pid-file" syslog)))) | |
143 | (if pid-file? | |
144 | (list #~(string-append "--pid-file=" #$pid-file)) | |
145 | '()))) | |
146 | (cons* #~(string-append "--host-key=" | |
147 | #$(lsh-configuration-host-key config)) | |
148 | #~(string-append "--password-helper=" #$lsh "/sbin/lsh-pam-checkpw") | |
149 | #~(string-append "--subsystems=sftp=" #$lsh "/sbin/sftp-server") | |
150 | "-p" (number->string (lsh-configuration-port-number config)) | |
151 | (if (lsh-configuration-password-authentication? config) | |
152 | "--password" "--no-password") | |
153 | (if (lsh-configuration-public-key-authentication? config) | |
154 | "--publickey" "--no-publickey") | |
155 | (if (lsh-configuration-root-login? config) | |
156 | "--root-login" "--no-root-login") | |
157 | (if (lsh-configuration-x11-forwarding? config) | |
158 | "--x11-forward" "--no-x11-forward") | |
159 | (if (lsh-configuration-tcp/ip-forwarding? config) | |
160 | "--tcpip-forward" "--no-tcpip-forward") | |
161 | (if (null? interfaces) | |
162 | '() | |
fde40c98 LC |
163 | (map (cut string-append "--interface=" <>) |
164 | interfaces))))) | |
0adfe95a LC |
165 | |
166 | (define requires | |
167 | (if (and daemonic? (lsh-configuration-syslog-output? config)) | |
168 | '(networking syslogd) | |
169 | '(networking))) | |
170 | ||
d4053c71 | 171 | (list (shepherd-service |
0adfe95a LC |
172 | (documentation "GNU lsh SSH server") |
173 | (provision '(ssh-daemon)) | |
174 | (requirement requires) | |
175 | (start #~(make-forkexec-constructor (list #$@lsh-command))) | |
176 | (stop #~(make-kill-destructor))))) | |
177 | ||
178 | (define (lsh-pam-services config) | |
179 | "Return a list of <pam-services> for lshd with CONFIG." | |
180 | (list (unix-pam-service | |
181 | "lshd" | |
182 | #:allow-empty-passwords? | |
183 | (lsh-configuration-allow-empty-passwords? config)))) | |
184 | ||
185 | (define lsh-service-type | |
186 | (service-type (name 'lsh) | |
187 | (extensions | |
d4053c71 AK |
188 | (list (service-extension shepherd-root-service-type |
189 | lsh-shepherd-service) | |
0adfe95a LC |
190 | (service-extension pam-root-service-type |
191 | lsh-pam-services) | |
192 | (service-extension activation-service-type | |
193 | lsh-activation))))) | |
194 | ||
f33e2d78 LC |
195 | (define* (lsh-service #:key |
196 | (lsh lsh) | |
5833bf33 | 197 | (daemonic? #t) |
f33e2d78 LC |
198 | (host-key "/etc/lsh/host-key") |
199 | (interfaces '()) | |
200 | (port-number 22) | |
201 | (allow-empty-passwords? #f) | |
202 | (root-login? #f) | |
203 | (syslog-output? #t) | |
5833bf33 DP |
204 | (pid-file? #f) |
205 | (pid-file "/var/run/lshd.pid") | |
f33e2d78 LC |
206 | (x11-forwarding? #t) |
207 | (tcp/ip-forwarding? #t) | |
208 | (password-authentication? #t) | |
209 | (public-key-authentication? #t) | |
21cc905a | 210 | (initialize? #t)) |
f33e2d78 LC |
211 | "Run the @command{lshd} program from @var{lsh} to listen on port @var{port-number}. |
212 | @var{host-key} must designate a file containing the host key, and readable | |
213 | only by root. | |
214 | ||
5833bf33 DP |
215 | When @var{daemonic?} is true, @command{lshd} will detach from the |
216 | controlling terminal and log its output to syslogd, unless one sets | |
217 | @var{syslog-output?} to false. Obviously, it also makes lsh-service | |
218 | depend on existence of syslogd service. When @var{pid-file?} is true, | |
219 | @command{lshd} writes its PID to the file called @var{pid-file}. | |
220 | ||
f33e2d78 LC |
221 | When @var{initialize?} is true, automatically create the seed and host key |
222 | upon service activation if they do not exist yet. This may take long and | |
223 | require interaction. | |
224 | ||
20dd519c LC |
225 | When @var{initialize?} is false, it is up to the user to initialize the |
226 | randomness generator (@pxref{lsh-make-seed,,, lsh, LSH Manual}), and to create | |
227 | a key pair with the private key stored in file @var{host-key} (@pxref{lshd | |
228 | basics,,, lsh, LSH Manual}). | |
229 | ||
f33e2d78 LC |
230 | When @var{interfaces} is empty, lshd listens for connections on all the |
231 | network interfaces; otherwise, @var{interfaces} must be a list of host names | |
232 | or addresses. | |
233 | ||
20dd519c LC |
234 | @var{allow-empty-passwords?} specifies whether to accept log-ins with empty |
235 | passwords, and @var{root-login?} specifies whether to accept log-ins as | |
f33e2d78 LC |
236 | root. |
237 | ||
238 | The other options should be self-descriptive." | |
0adfe95a LC |
239 | (service lsh-service-type |
240 | (lsh-configuration (lsh lsh) (daemonic? daemonic?) | |
241 | (host-key host-key) (interfaces interfaces) | |
242 | (port-number port-number) | |
243 | (allow-empty-passwords? allow-empty-passwords?) | |
244 | (root-login? root-login?) | |
245 | (syslog-output? syslog-output?) | |
246 | (pid-file? pid-file?) (pid-file pid-file) | |
247 | (x11-forwarding? x11-forwarding?) | |
248 | (tcp/ip-forwarding? tcp/ip-forwarding?) | |
249 | (password-authentication? | |
250 | password-authentication?) | |
251 | (public-key-authentication? | |
252 | public-key-authentication?) | |
253 | (initialize? initialize?)))) | |
f33e2d78 | 254 | |
71b0601a | 255 | \f |
86d8f6d3 JL |
256 | ;;; |
257 | ;;; OpenSSH. | |
258 | ;;; | |
259 | ||
260 | (define-record-type* <openssh-configuration> | |
261 | openssh-configuration make-openssh-configuration | |
262 | openssh-configuration? | |
4ca3e9b7 CL |
263 | ;; <package> |
264 | (openssh openssh-configuration-openssh | |
23f22ba8 | 265 | (default openssh)) |
4ca3e9b7 | 266 | ;; string |
d8f31281 LC |
267 | (pid-file openssh-configuration-pid-file |
268 | (default "/var/run/sshd.pid")) | |
4ca3e9b7 CL |
269 | ;; integer |
270 | (port-number openssh-configuration-port-number | |
d8f31281 | 271 | (default 22)) |
4ca3e9b7 CL |
272 | ;; Boolean | 'without-password |
273 | (permit-root-login openssh-configuration-permit-root-login | |
d8f31281 | 274 | (default #f)) |
4ca3e9b7 CL |
275 | ;; Boolean |
276 | (allow-empty-passwords? openssh-configuration-allow-empty-passwords? | |
d8f31281 | 277 | (default #f)) |
4ca3e9b7 CL |
278 | ;; Boolean |
279 | (password-authentication? openssh-configuration-password-authentication? | |
d8f31281 | 280 | (default #t)) |
4ca3e9b7 | 281 | ;; Boolean |
d8f31281 | 282 | (public-key-authentication? openssh-configuration-public-key-authentication? |
4ca3e9b7 CL |
283 | (default #t)) |
284 | ;; Boolean | |
285 | (x11-forwarding? openssh-configuration-x11-forwarding? | |
d8f31281 | 286 | (default #f)) |
4ca3e9b7 | 287 | ;; Boolean |
563c5d42 | 288 | (challenge-response-authentication? openssh-challenge-response-authentication? |
4ca3e9b7 CL |
289 | (default #f)) |
290 | ;; Boolean | |
563c5d42 | 291 | (use-pam? openssh-configuration-use-pam? |
4ca3e9b7 CL |
292 | (default #t)) |
293 | ;; Boolean | |
f895dce4 | 294 | (print-last-log? openssh-configuration-print-last-log? |
12723370 CL |
295 | (default #t)) |
296 | ;; list of two-element lists | |
297 | (subsystems openssh-configuration-subsystems | |
298 | (default '(("sftp" "internal-sftp"))))) | |
86d8f6d3 JL |
299 | |
300 | (define %openssh-accounts | |
301 | (list (user-group (name "sshd") (system? #t)) | |
302 | (user-account | |
303 | (name "sshd") | |
304 | (group "sshd") | |
305 | (system? #t) | |
306 | (comment "sshd privilege separation user") | |
307 | (home-directory "/var/run/sshd") | |
308 | (shell #~(string-append #$shadow "/sbin/nologin"))))) | |
309 | ||
310 | (define (openssh-activation config) | |
311 | "Return the activation GEXP for CONFIG." | |
312 | #~(begin | |
e57bd0be | 313 | (use-modules (guix build utils)) |
86d8f6d3 JL |
314 | (mkdir-p "/etc/ssh") |
315 | (mkdir-p (dirname #$(openssh-configuration-pid-file config))) | |
316 | ||
f895dce4 CL |
317 | (define (touch file-name) |
318 | (call-with-output-file file-name (const #t))) | |
319 | ||
320 | (let ((lastlog "/var/log/lastlog")) | |
321 | (when #$(openssh-configuration-print-last-log? config) | |
322 | (unless (file-exists? lastlog) | |
323 | (touch lastlog)))) | |
324 | ||
86d8f6d3 | 325 | ;; Generate missing host keys. |
23f22ba8 LF |
326 | (system* (string-append #$(openssh-configuration-openssh config) |
327 | "/bin/ssh-keygen") "-A"))) | |
86d8f6d3 JL |
328 | |
329 | (define (openssh-config-file config) | |
330 | "Return the sshd configuration file corresponding to CONFIG." | |
331 | (computed-file | |
332 | "sshd_config" | |
12723370 CL |
333 | #~(begin |
334 | (use-modules (ice-9 match)) | |
335 | (call-with-output-file #$output | |
336 | (lambda (port) | |
337 | (display "# Generated by 'openssh-service'.\n" port) | |
338 | (format port "Port ~a\n" | |
339 | #$(number->string | |
340 | (openssh-configuration-port-number config))) | |
341 | (format port "PermitRootLogin ~a\n" | |
342 | #$(match (openssh-configuration-permit-root-login config) | |
343 | (#t "yes") | |
344 | (#f "no") | |
345 | ('without-password "without-password"))) | |
346 | (format port "PermitEmptyPasswords ~a\n" | |
347 | #$(if (openssh-configuration-allow-empty-passwords? config) | |
348 | "yes" "no")) | |
349 | (format port "PasswordAuthentication ~a\n" | |
350 | #$(if (openssh-configuration-password-authentication? config) | |
351 | "yes" "no")) | |
352 | (format port "PubkeyAuthentication ~a\n" | |
353 | #$(if (openssh-configuration-public-key-authentication? | |
354 | config) | |
355 | "yes" "no")) | |
356 | (format port "X11Forwarding ~a\n" | |
357 | #$(if (openssh-configuration-x11-forwarding? config) | |
358 | "yes" "no")) | |
359 | (format port "PidFile ~a\n" | |
360 | #$(openssh-configuration-pid-file config)) | |
361 | (format port "ChallengeResponseAuthentication ~a\n" | |
362 | #$(if (openssh-challenge-response-authentication? config) | |
363 | "yes" "no")) | |
364 | (format port "UsePAM ~a\n" | |
365 | #$(if (openssh-configuration-use-pam? config) | |
366 | "yes" "no")) | |
367 | (format port "PrintLastLog ~a\n" | |
368 | #$(if (openssh-configuration-print-last-log? config) | |
369 | "yes" "no")) | |
370 | (for-each | |
371 | (match-lambda | |
372 | ((name command) (format port "Subsystem\t~a\t~a\n" name command))) | |
373 | '#$(openssh-configuration-subsystems config)) | |
374 | #t))))) | |
86d8f6d3 JL |
375 | |
376 | (define (openssh-shepherd-service config) | |
377 | "Return a <shepherd-service> for openssh with CONFIG." | |
378 | ||
379 | (define pid-file | |
380 | (openssh-configuration-pid-file config)) | |
381 | ||
382 | (define openssh-command | |
23f22ba8 | 383 | #~(list (string-append #$(openssh-configuration-openssh config) "/sbin/sshd") |
86d8f6d3 JL |
384 | "-D" "-f" #$(openssh-config-file config))) |
385 | ||
386 | (list (shepherd-service | |
387 | (documentation "OpenSSH server.") | |
388 | (requirement '(networking syslogd)) | |
389 | (provision '(ssh-daemon)) | |
390 | (start #~(make-forkexec-constructor #$openssh-command | |
391 | #:pid-file #$pid-file)) | |
392 | (stop #~(make-kill-destructor))))) | |
393 | ||
563c5d42 CL |
394 | (define (openssh-pam-services config) |
395 | "Return a list of <pam-services> for sshd with CONFIG." | |
396 | (list (unix-pam-service | |
397 | "sshd" | |
398 | #:allow-empty-passwords? | |
399 | (openssh-configuration-allow-empty-passwords? config)))) | |
400 | ||
86d8f6d3 JL |
401 | (define openssh-service-type |
402 | (service-type (name 'openssh) | |
403 | (extensions | |
404 | (list (service-extension shepherd-root-service-type | |
405 | openssh-shepherd-service) | |
563c5d42 CL |
406 | (service-extension pam-root-service-type |
407 | openssh-pam-services) | |
86d8f6d3 JL |
408 | (service-extension activation-service-type |
409 | openssh-activation) | |
410 | (service-extension account-service-type | |
411 | (const %openssh-accounts)))))) | |
412 | ||
86d8f6d3 | 413 | \f |
71b0601a DC |
414 | ;;; |
415 | ;;; Dropbear. | |
416 | ;;; | |
417 | ||
418 | (define-record-type* <dropbear-configuration> | |
419 | dropbear-configuration make-dropbear-configuration | |
420 | dropbear-configuration? | |
421 | (dropbear dropbear-configuration-dropbear | |
422 | (default dropbear)) | |
423 | (port-number dropbear-configuration-port-number | |
424 | (default 22)) | |
425 | (syslog-output? dropbear-configuration-syslog-output? | |
426 | (default #t)) | |
427 | (pid-file dropbear-configuration-pid-file | |
428 | (default "/var/run/dropbear.pid")) | |
429 | (root-login? dropbear-configuration-root-login? | |
430 | (default #f)) | |
431 | (allow-empty-passwords? dropbear-configuration-allow-empty-passwords? | |
432 | (default #f)) | |
433 | (password-authentication? dropbear-configuration-password-authentication? | |
434 | (default #t))) | |
435 | ||
436 | (define (dropbear-activation config) | |
437 | "Return the activation gexp for CONFIG." | |
438 | #~(begin | |
e57bd0be | 439 | (use-modules (guix build utils)) |
71b0601a DC |
440 | (mkdir-p "/etc/dropbear"))) |
441 | ||
442 | (define (dropbear-shepherd-service config) | |
443 | "Return a <shepherd-service> for dropbear with CONFIG." | |
444 | (define dropbear | |
445 | (dropbear-configuration-dropbear config)) | |
446 | ||
447 | (define pid-file | |
448 | (dropbear-configuration-pid-file config)) | |
449 | ||
450 | (define dropbear-command | |
451 | #~(list (string-append #$dropbear "/sbin/dropbear") | |
452 | ||
453 | ;; '-R' allows host keys to be automatically generated upon first | |
454 | ;; connection, at a time when /dev/urandom is more likely securely | |
455 | ;; seeded. | |
456 | "-F" "-R" | |
457 | ||
458 | "-p" #$(number->string (dropbear-configuration-port-number config)) | |
459 | "-P" #$pid-file | |
460 | #$@(if (dropbear-configuration-syslog-output? config) '() '("-E")) | |
461 | #$@(if (dropbear-configuration-root-login? config) '() '("-w")) | |
462 | #$@(if (dropbear-configuration-password-authentication? config) | |
463 | '() | |
464 | '("-s" "-g")) | |
465 | #$@(if (dropbear-configuration-allow-empty-passwords? config) | |
466 | '("-B") | |
467 | '()))) | |
468 | ||
469 | (define requires | |
470 | (if (dropbear-configuration-syslog-output? config) | |
471 | '(networking syslogd) '(networking))) | |
472 | ||
473 | (list (shepherd-service | |
474 | (documentation "Dropbear SSH server.") | |
475 | (requirement requires) | |
476 | (provision '(ssh-daemon)) | |
477 | (start #~(make-forkexec-constructor #$dropbear-command | |
478 | #:pid-file #$pid-file)) | |
479 | (stop #~(make-kill-destructor))))) | |
480 | ||
481 | (define dropbear-service-type | |
482 | (service-type (name 'dropbear) | |
483 | (extensions | |
484 | (list (service-extension shepherd-root-service-type | |
485 | dropbear-shepherd-service) | |
486 | (service-extension activation-service-type | |
487 | dropbear-activation))))) | |
488 | ||
489 | (define* (dropbear-service #:optional (config (dropbear-configuration))) | |
490 | "Run the @uref{https://matt.ucc.asn.au/dropbear/dropbear.html,Dropbear SSH | |
491 | daemon} with the given @var{config}, a @code{<dropbear-configuration>} | |
492 | object." | |
493 | (service dropbear-service-type config)) | |
494 | ||
f33e2d78 | 495 | ;;; ssh.scm ends here |