aboutsummaryrefslogtreecommitdiff
path: root/tests/pack.scm
blob: ce5a2f8a53c075629eabce8c393dfb1e4e449a8c (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2021, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (test-pack)
  #:use-module (guix scripts pack)
  #:use-module (guix store)
  #:use-module (guix derivations)
  #:use-module (guix profiles)
  #:use-module (guix packages)
  #:use-module (guix monads)
  #:use-module (guix tests)
  #:use-module (guix gexp)
  #:use-module (guix modules)
  #:use-module (guix utils)
  #:use-module (gnu packages)
  #:use-module ((gnu packages base) #:select (glibc-utf8-locales))
  #:use-module (gnu packages bootstrap)
  #:use-module ((gnu packages package-management) #:select (rpm))
  #:use-module ((gnu packages compression) #:select (squashfs-tools))
  #:use-module ((gnu packages debian) #:select (dpkg))
  #:use-module ((gnu packages guile) #:select (guile-sqlite3))
  #:use-module ((gnu packages gnupg) #:select (guile-gcrypt))
  #:use-module ((gnu packages linux) #:select (fakeroot))
  #:use-module (srfi srfi-64))

(define %store
  (open-connection-for-tests))

;; Globally disable grafts because they can trigger early builds.
(%graft? #f)

(define-syntax-rule (test-assertm name store exp)
  (test-assert name
    (let ((guile (package-derivation store %bootstrap-guile)))
      (run-with-store store exp
                      #:guile-for-build guile))))

(define %gzip-compressor
  ;; Compressor that uses the bootstrap 'gzip'.
  ((@ (guix scripts pack) compressor) "gzip"
   ".gz"
   #~(list #+(file-append %bootstrap-coreutils&co "/bin/gzip") "-6n")))

(define %tar-bootstrap %bootstrap-coreutils&co)

(define %ar-bootstrap %bootstrap-binutils)

;;; This is a variant of the RPM package configured so that its database can
;;; be created on a writable location readily available inside the build
;;; container ("/tmp").
(define rpm-for-tests
  (package
    (inherit rpm)
    (arguments (substitute-keyword-arguments (package-arguments rpm)
                 ((#:configure-flags flags '())
                  #~(cons "--localstatedir=/tmp"
                          (delete "--localstatedir=/var" #$flags)))))))


(test-begin "pack")

(unless (network-reachable?) (test-skip 1))
(test-assertm "self-contained-tarball" %store
  (mlet* %store-monad
      ((profile -> (profile
                    (content (packages->manifest (list %bootstrap-guile)))
                    (hooks '())
                    (locales? #f)))
       (tarball (self-contained-tarball "pack" profile
                                        #:symlinks '(("/bin/Guile"
                                                      -> "bin/guile"))
                                        #:compressor %gzip-compressor
                                        #:archiver %tar-bootstrap))
       (check   (gexp->derivation
                 "check-tarball"
                 (with-imported-modules '((guix build utils))
                   #~(begin
                       (use-modules (guix build utils)
                                    (srfi srfi-1))

                       (define store
                         ;; The unpacked store.
                         (string-append "." (%store-directory) "/"))

                       (define (canonical? file)
                         ;; Return #t if FILE is read-only and its mtime is 1.
                         (let ((st (lstat file)))
                           (or (not (string-prefix? store file))
                               (eq? 'symlink (stat:type st))
                               (and (= 1 (stat:mtime st))
                                    (zero? (logand #o222
                                                   (stat:mode st)))))))

                       (define bin
                         (string-append "." #$profile "/bin"))

                       (setenv "PATH"
                               (string-append #$%tar-bootstrap "/bin"))
                       (system* "tar" "xvf" #$tarball)
                       (mkdir #$output)
                       (exit
                        (and (file-exists? (string-append bin "/guile"))
                             (file-exists? store)
                             (every canonical?
                                    (find-files "." (const #t)
                                                #:directories? #t))
                             (string=? (string-append #$%bootstrap-guile "/bin")
                                       (readlink bin))
                             (string=? (string-append ".." #$profile
                                                      "/bin/guile")
                                       (readlink "bin/Guile")))))))))
    (built-derivations (list check))))

;; The following test needs guile-sqlite3, libgcrypt, etc. as a consequence of
;; commit c45477d2a1a651485feede20fe0f3d15aec48b39 and related changes.  Thus,
;; run it on the user's store, if it's available, on the grounds that these
;; dependencies may be already there, or we can get substitutes or build them
;; quite inexpensively; see <https://bugs.gnu.org/32184>.

(with-external-store store
  (unless store (test-skip 1))
  (test-assertm "self-contained-tarball + localstatedir" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (self-contained-tarball "tar-pack" profile
                                          #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   #~(let ((bin (string-append "." #$profile "/bin")))
                       (setenv "PATH"
                               (string-append #$%tar-bootstrap "/bin"))
                       (system* "tar" "xvf" #$tarball)
                       (mkdir #$output)
                       (exit
                        (and (file-exists? "var/guix/db/db.sqlite")
                             (string=? (string-append #$%bootstrap-guile "/bin")
                                       (readlink bin))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "self-contained-tarball + localstatedir, UTF-8 file names" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (tree    (interned-file-tree
                   `("directory-with-utf8-file-names" directory
                     ("α" regular (data "alpha"))
                     ("λ" regular (data "lambda")))))
         (tarball (self-contained-tarball "tar-pack" tree
                                          #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-extensions (list guile-sqlite3 guile-gcrypt)
                     (with-imported-modules (source-module-closure
                                             '((guix store database)))
                       #~(begin
                           (use-modules (guix store database)
                                        (rnrs io ports)
                                        (srfi srfi-1))

                           (define (valid-file? basename data)
                             (define file
                               (string-append "./" #$tree "/" basename))

                             (string=? (call-with-input-file (pk 'file file)
                                         get-string-all)
                                       data))

                           (setenv "PATH"
                                   (string-append #$%tar-bootstrap "/bin"))
                           (system* "tar" "xvf" #$tarball)

                           (sql-schema
                            #$(local-file (search-path %load-path
                                                       "guix/store/schema.sql")))
                           (with-database "var/guix/db/db.sqlite" db
                             ;; Make sure non-ASCII file names are properly
                             ;; handled.
                             (setenv "GUIX_LOCPATH"
                                     #+(file-append glibc-utf8-locales
                                                    "/lib/locale"))
                             (setlocale LC_ALL "en_US.utf8")

                             (mkdir #$output)
                             (exit
                              (and (every valid-file?
                                          '("α" "λ")
                                          '("alpha" "lambda"))
                                   (integer? (path-id db #$tree)))))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "docker-image + localstatedir" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (tarball (docker-image "docker-pack" profile
                                #:symlinks '(("/bin/Guile" -> "bin/guile"))
                                #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (use-modules (guix build utils)
                                      (ice-9 match))

                         (define bin
                           (string-append "." #$profile "/bin"))

                         (setenv "PATH" (string-append #$%tar-bootstrap "/bin"))
                         (mkdir "base")
                         (with-directory-excursion "base"
                           (invoke "tar" "xvf" #$tarball))

                         (match (find-files "base" "layer.tar")
                           ((layer)
                            (invoke "tar" "xvf" layer)))

                         (when
                          (and (file-exists? (string-append bin "/guile"))
                               (file-exists? "var/guix/db/db.sqlite")
                               (file-is-directory? "tmp")
                               (string=? (string-append #$%bootstrap-guile "/bin")
                                         (pk 'binlink (readlink bin)))
                               (string=? (string-append #$profile "/bin/guile")
                                         (pk 'guilelink (readlink "bin/Guile"))))
                          (mkdir #$output)))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "squashfs-image + localstatedir" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (image   (squashfs-image "squashfs-pack" profile
                                  #:symlinks '(("/bin" -> "bin"))
                                  #:localstatedir? #t))
         (check   (gexp->derivation
                   "check-tarball"
                   (with-imported-modules '((guix build utils))
                     #~(begin
                         (use-modules (guix build utils)
                                      (ice-9 match))

                         (define bin
                           (string-append "." #$profile "/bin"))

                         (setenv "PATH"
                                 (string-append #$squashfs-tools "/bin"))
                         (invoke "unsquashfs" #$image)
                         (with-directory-excursion "squashfs-root"
                           (when (and (file-exists? (string-append bin
                                                                   "/guile"))
                                      (file-exists? "var/guix/db/db.sqlite")
                                      (string=? (string-append #$%bootstrap-guile "/bin")
                                                (pk 'binlink (readlink bin)))

                                      ;; This is a relative symlink target.
                                      (string=? (string-drop
                                                 (string-append #$profile "/bin")
                                                 1)
                                                (pk 'guilelink (readlink "bin"))))
                             (mkdir #$output))))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "deb archive with symlinks and control files" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (deb (debian-archive
               "deb-pack" profile
               #:compressor %gzip-compressor
               #:symlinks '(("/opt/gnu/bin" -> "bin"))
               #:archiver %tar-bootstrap
               #:extra-options
               (list #:triggers-file
                     (plain-file "triggers"
                                 "activate-noawait /usr/share/icons/hicolor\n")
                     #:postinst-file
                     (plain-file "postinst"
                                 "echo running configure script\n"))))
         (check
          (gexp->derivation "check-deb-pack"
            (with-imported-modules '((guix build utils))
              #~(begin
                  (use-modules (guix build utils)
                               (ice-9 match)
                               (ice-9 popen)
                               (ice-9 rdelim)
                               (ice-9 textual-ports)
                               (rnrs base))

                  (setenv "PATH" (string-join
                                  (list (string-append #+%tar-bootstrap "/bin")
                                        (string-append #+dpkg "/bin")
                                        (string-append #+%ar-bootstrap "/bin"))
                                  ":"))

                  ;; Validate the output of 'dpkg --info'.
                  (let* ((port (open-pipe* OPEN_READ "dpkg" "--info" #$deb))
                         (info (get-string-all port))
                         (exit-val (status:exit-val (close-pipe port))))
                    (assert (zero? exit-val))

                    (assert (string-contains
                             info
                             (string-append "Package: "
                                            #+(package-name %bootstrap-guile))))

                    (assert (string-contains
                             info
                             (string-append "Version: "
                                            #+(package-version %bootstrap-guile)))))

                  ;; Sanity check .deb contents.
                  (invoke "ar" "-xv" #$deb)
                  (assert (file-exists? "debian-binary"))
                  (assert (file-exists? "data.tar.gz"))
                  (assert (file-exists? "control.tar.gz"))

                  ;; Verify there are no hard links in data.tar.gz, as hard
                  ;; links would cause dpkg to fail unpacking the archive.
                  (define hard-links
                    (let ((port (open-pipe* OPEN_READ "tar" "-tvf" "data.tar.gz")))
                      (let loop ((hard-links '()))
                        (match (read-line port)
                          ((? eof-object?)
                           (assert (zero? (status:exit-val (close-pipe port))))
                           hard-links)
                          (line
                           (if (string-prefix? "u" line)
                               (loop (cons line hard-links))
                               (loop hard-links)))))))

                  (unless (null? hard-links)
                    (error "hard links found in data.tar.gz" hard-links))

                  ;; Verify the presence of the control files.
                  (invoke "tar" "-xf" "control.tar.gz")
                  (assert (file-exists? "control"))
                  (assert (and (file-exists? "postinst")
                               (= #o111 ;script is executable
                                  (logand #o111 (stat:perms
                                                 (stat "postinst"))))))
                  (assert (file-exists? "triggers"))

                  (mkdir #$output))))))
      (built-derivations (list check))))

  (unless store (test-skip 1))
  (test-assertm "rpm archive can be installed/uninstalled" store
    (mlet* %store-monad
        ((guile   (set-guile-for-build (default-guile)))
         (profile -> (profile
                      (content (packages->manifest (list %bootstrap-guile)))
                      (hooks '())
                      (locales? #f)))
         (rpm-pack (rpm-archive "rpm-pack" profile
                                #:compressor %gzip-compressor
                                #:symlinks '(("/bin/guile" -> "bin/guile"))
                                #:extra-options '(#:relocatable? #t)))
         (check
          (gexp->derivation "check-rpm-pack"
            (with-imported-modules (source-module-closure
                                    '((guix build utils)))
              #~(begin
                  (use-modules (guix build utils))

                  (define fakeroot #+(file-append fakeroot "/bin/fakeroot"))
                  (define rpm #+(file-append rpm-for-tests "/bin/rpm"))
                  (mkdir-p "/tmp/lib/rpm")

                  ;; Install the RPM package.  This causes RPM to validate the
                  ;; signatures, header as well as the file digests, which
                  ;; makes it a rather thorough test.
                  (mkdir "test-prefix")
                  (invoke fakeroot rpm "--install"
                          (string-append "--prefix=" (getcwd) "/test-prefix")
                          #$rpm-pack)

                  ;; Invoke the installed Guile command.
                  (invoke "./test-prefix/bin/guile" "--version")

                  ;; Uninstall the RPM package.
                  (invoke fakeroot rpm "--erase" "guile-bootstrap")

                  ;; Required so the above is run.
                  (mkdir #$output))))))
      (built-derivations (list check)))))

(test-end)

;; Local Variables:
;; eval: (put 'test-assertm 'scheme-indent-function 2)
;; End:
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu services ssh) #:use-module (gnu packages ssh) #:use-module (gnu packages admin) #:use-module (gnu services) #:use-module (gnu services shepherd) #:use-module (gnu services web) #:use-module (gnu system pam) #:use-module (gnu system shadow) #:use-module (guix deprecation) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix modules) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:use-module (ice-9 vlist) #:export (lsh-configuration lsh-configuration? lsh-service ; deprecated lsh-service-type openssh-configuration openssh-configuration? openssh-configuration-openssh openssh-configuration-pid-file openssh-configuration-port-number openssh-configuration-max-connections openssh-configuration-permit-root-login openssh-configuration-allow-empty-passwords? openssh-configuration-password-authentication? openssh-configuration-public-key-authentication? openssh-configuration-x11-forwarding? openssh-configuration-allow-agent-forwarding? openssh-configuration-allow-tcp-forwarding? openssh-configuration-gateway-ports? openssh-configuration-challenge-response-authentication? openssh-configuration-use-pam? openssh-configuration-print-last-log? openssh-configuration-subsystems openssh-configuration-accepted-environment openssh-configuration-log-level openssh-configuration-extra-content openssh-configuration-authorized-keys openssh-configuration-generate-host-keys? openssh-service-type dropbear-configuration dropbear-configuration? dropbear-service-type dropbear-service ; deprecated autossh-configuration autossh-configuration? autossh-service-type webssh-configuration webssh-configuration? webssh-service-type %webssh-configuration-nginx)) ;;; Commentary: ;;; ;;; This module implements secure shell (SSH) services. ;;; ;;; Code: (define-record-type* <lsh-configuration> lsh-configuration make-lsh-configuration lsh-configuration? (lsh lsh-configuration-lsh (default lsh)) (daemonic? lsh-configuration-daemonic? (default #t)) (host-key lsh-configuration-host-key (default "/etc/lsh/host-key")) (interfaces lsh-configuration-interfaces (default '())) (port-number lsh-configuration-port-number (default 22)) (allow-empty-passwords? lsh-configuration-allow-empty-passwords? (default #f)) (root-login? lsh-configuration-root-login? (default #f)) (syslog-output? lsh-configuration-syslog-output? (default #t)) (pid-file? lsh-configuration-pid-file? (default #f)) (pid-file lsh-configuration-pid-file (default "/var/run/lshd.pid")) (x11-forwarding? lsh-configuration-x11-forwarding? (default #t)) (tcp/ip-forwarding? lsh-configuration-tcp/ip-forwarding? (default #t)) (password-authentication? lsh-configuration-password-authentication? (default #t)) (public-key-authentication? lsh-configuration-public-key-authentication? (default #t)) (initialize? lsh-configuration-initialize? (default #t))) (define %yarrow-seed "/var/spool/lsh/yarrow-seed-file") (define (lsh-initialization lsh host-key) "Return the gexp to initialize the LSH service for HOST-KEY." #~(begin (unless (file-exists? #$%yarrow-seed) (system* (string-append #$lsh "/bin/lsh-make-seed") "--sloppy" "-o" #$%yarrow-seed)) (unless (file-exists? #$host-key) (mkdir-p (dirname #$host-key)) (format #t "creating SSH host key '~a'...~%" #$host-key) ;; FIXME: We're just doing a simple pipeline, but 'system' cannot be ;; used yet because /bin/sh might be dangling; factorize this somehow. (let* ((in+out (pipe)) (keygen (primitive-fork))) (case keygen ((0) (close-port (car in+out)) (close-fdes 1) (dup2 (fileno (cdr in+out)) 1) (execl (string-append #$lsh "/bin/lsh-keygen") "lsh-keygen" "--server")) (else (let ((write-key (primitive-fork))) (case write-key ((0) (close-port (cdr in+out)) (close-fdes 0) (dup2 (fileno (car in+out)) 0) (execl (string-append #$lsh "/bin/lsh-writekey") "lsh-writekey" "--server" "-o" #$host-key)) (else (close-port (car in+out)) (close-port (cdr in+out)) (waitpid keygen) (waitpid write-key)))))))))) (define (lsh-activation config) "Return the activation gexp for CONFIG." #~(begin (use-modules (guix build utils)) (mkdir-p "/var/spool/lsh") #$(if (lsh-configuration-initialize? config) (lsh-initialization (lsh-configuration-lsh config) (lsh-configuration-host-key config)) #t))) (define (lsh-shepherd-service config) "Return a <shepherd-service> for lsh with CONFIG." (define lsh (lsh-configuration-lsh config)) (define pid-file (lsh-configuration-pid-file config)) (define pid-file? (lsh-configuration-pid-file? config)) (define daemonic? (lsh-configuration-daemonic? config)) (define interfaces (lsh-configuration-interfaces config)) (define lsh-command (append (cons (file-append lsh "/sbin/lshd") (if daemonic? (let ((syslog (if (lsh-configuration-syslog-output? config) '() (list "--no-syslog")))) (cons "--daemonic" (if pid-file? (cons #~(string-append "--pid-file=" #$pid-file) syslog) (cons "--no-pid-file" syslog)))) (if pid-file? (list #~(string-append "--pid-file=" #$pid-file)) '()))) (cons* #~(string-append "--host-key=" #$(lsh-configuration-host-key config)) #~(string-append "--password-helper=" #$lsh "/sbin/lsh-pam-checkpw") #~(string-append "--subsystems=sftp=" #$lsh "/sbin/sftp-server") "-p" (number->string (lsh-configuration-port-number config)) (if (lsh-configuration-password-authentication? config) "--password" "--no-password") (if (lsh-configuration-public-key-authentication? config) "--publickey" "--no-publickey") (if (lsh-configuration-root-login? config) "--root-login" "--no-root-login") (if (lsh-configuration-x11-forwarding? config) "--x11-forward" "--no-x11-forward") (if (lsh-configuration-tcp/ip-forwarding? config) "--tcpip-forward" "--no-tcpip-forward") (if (null? interfaces) '() (map (cut string-append "--interface=" <>) interfaces))))) (define requires `(networking pam ,@(if (and daemonic? (lsh-configuration-syslog-output? config)) '(syslogd) '()))) (list (shepherd-service (documentation "GNU lsh SSH server") (provision '(ssh-daemon ssh sshd)) (requirement requires) (start #~(make-forkexec-constructor (list #$@lsh-command))) (stop #~(make-kill-destructor))))) (define (lsh-pam-services config) "Return a list of <pam-services> for lshd with CONFIG." (list (unix-pam-service "lshd" #:login-uid? #t #:allow-empty-passwords? (lsh-configuration-allow-empty-passwords? config)))) (define lsh-service-type (service-type (name 'lsh) (extensions (list (service-extension shepherd-root-service-type lsh-shepherd-service) (service-extension pam-root-service-type lsh-pam-services) (service-extension activation-service-type lsh-activation))) (description "Run the GNU@tie{}lsh secure shell (SSH) daemon, @command{lshd}.") (default-value (lsh-configuration)))) (define-deprecated (lsh-service #:key (lsh lsh) (daemonic? #t) (host-key "/etc/lsh/host-key") (interfaces '()) (port-number 22) (allow-empty-passwords? #f) (root-login? #f) (syslog-output? #t) (pid-file? #f) (pid-file "/var/run/lshd.pid") (x11-forwarding? #t) (tcp/ip-forwarding? #t) (password-authentication? #t) (public-key-authentication? #t) (initialize? #t)) lsh-service-type "Run the @command{lshd} program from @var{lsh} to listen on port @var{port-number}. @var{host-key} must designate a file containing the host key, and readable only by root. When @var{daemonic?} is true, @command{lshd} will detach from the controlling terminal and log its output to syslogd, unless one sets @var{syslog-output?} to false. Obviously, it also makes lsh-service depend on existence of syslogd service. When @var{pid-file?} is true, @command{lshd} writes its PID to the file called @var{pid-file}. When @var{initialize?} is true, automatically create the seed and host key upon service activation if they do not exist yet. This may take long and require interaction. When @var{initialize?} is false, it is up to the user to initialize the randomness generator (@pxref{lsh-make-seed,,, lsh, LSH Manual}), and to create a key pair with the private key stored in file @var{host-key} (@pxref{lshd basics,,, lsh, LSH Manual}). When @var{interfaces} is empty, lshd listens for connections on all the network interfaces; otherwise, @var{interfaces} must be a list of host names or addresses. @var{allow-empty-passwords?} specifies whether to accept log-ins with empty passwords, and @var{root-login?} specifies whether to accept log-ins as root. The other options should be self-descriptive." (service lsh-service-type (lsh-configuration (lsh lsh) (daemonic? daemonic?) (host-key host-key) (interfaces interfaces) (port-number port-number) (allow-empty-passwords? allow-empty-passwords?) (root-login? root-login?) (syslog-output? syslog-output?) (pid-file? pid-file?) (pid-file pid-file) (x11-forwarding? x11-forwarding?) (tcp/ip-forwarding? tcp/ip-forwarding?) (password-authentication? password-authentication?) (public-key-authentication? public-key-authentication?) (initialize? initialize?)))) ;;; ;;; OpenSSH. ;;; (define-record-type* <openssh-configuration> openssh-configuration make-openssh-configuration openssh-configuration? ;; file-like object (openssh openssh-configuration-openssh (default openssh)) ;; string (pid-file openssh-configuration-pid-file (default "/var/run/sshd.pid")) ;; integer (port-number openssh-configuration-port-number (default 22)) ;; integer (max-connections openssh-configuration-max-connections (default 200)) ;; Boolean | 'prohibit-password (permit-root-login openssh-configuration-permit-root-login (default #f)) ;; Boolean (allow-empty-passwords? openssh-configuration-allow-empty-passwords? (default #f)) ;; Boolean (password-authentication? openssh-configuration-password-authentication? (default #t)) ;; Boolean (public-key-authentication? openssh-configuration-public-key-authentication? (default #t)) ;; Boolean (x11-forwarding? openssh-configuration-x11-forwarding? (default #f)) ;; Boolean (allow-agent-forwarding? openssh-configuration-allow-agent-forwarding? (default #t)) ;; Boolean (allow-tcp-forwarding? openssh-configuration-allow-tcp-forwarding? (default #t)) ;; Boolean (gateway-ports? openssh-configuration-gateway-ports? (default #f)) ;; Boolean (challenge-response-authentication? openssh-configuration-challenge-response-authentication? (default #f)) ;; Boolean (use-pam? openssh-configuration-use-pam? (default #t)) ;; Boolean (print-last-log? openssh-configuration-print-last-log? (default #t)) ;; list of two-element lists (subsystems openssh-configuration-subsystems (default '(("sftp" "internal-sftp")))) ;; list of strings (accepted-environment openssh-configuration-accepted-environment (default '())) ;; symbol (log-level openssh-configuration-log-level (default 'info)) ;; String ;; This is an "escape hatch" to provide configuration that isn't yet ;; supported by this configuration record. (extra-content openssh-configuration-extra-content (default "")) ;; list of user-name/file-like tuples (authorized-keys openssh-configuration-authorized-keys (default '())) ;; Boolean (generate-host-keys? openssh-configuration-generate-host-keys? (default #t)) ;; Boolean ;; XXX: This should really be handled in an orthogonal way, for instance as ;; proposed in <https://bugs.gnu.org/27155>. Keep it internal/undocumented ;; for now. (%auto-start? openssh-auto-start? (default #t))) (define %openssh-accounts (list (user-group (name "sshd") (system? #t)) (user-account (name "sshd") (group "sshd") (system? #t) (comment "sshd privilege separation user") (home-directory "/var/run/sshd") (shell (file-append shadow "/sbin/nologin"))))) (define (openssh-activation config) "Return the activation GEXP for CONFIG." (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define (touch file-name) (call-with-output-file file-name (const #t))) ;; Make sure /etc/ssh can be read by the 'sshd' user. (mkdir-p "/etc/ssh") (chmod "/etc/ssh" #o755) (mkdir-p (dirname #$(openssh-configuration-pid-file config))) ;; 'sshd' complains if the authorized-key directory and its parents ;; are group-writable, which rules out /gnu/store. Thus we copy the ;; authorized-key directory to /etc. (catch 'system-error (lambda () (delete-file-recursively "/etc/ssh/authorized_keys.d")) (lambda args (unless (= ENOENT (system-error-errno args)) (apply throw args)))) (copy-recursively #$(authorized-key-directory (openssh-configuration-authorized-keys config)) "/etc/ssh/authorized_keys.d") (chmod "/etc/ssh/authorized_keys.d" #o555) (let ((lastlog "/var/log/lastlog")) (when #$(openssh-configuration-print-last-log? config) (unless (file-exists? lastlog) (touch lastlog)))) (when #$(openssh-configuration-generate-host-keys? config) ;; Generate missing host keys. (system* (string-append #$(openssh-configuration-openssh config) "/bin/ssh-keygen") "-A"))))) (define (authorized-key-directory keys) "Return a directory containing the authorized keys specified in KEYS, a list of user-name/file-like tuples." (define build (with-imported-modules (source-module-closure '((guix build utils))) #~(begin (use-modules (ice-9 match) (srfi srfi-26) (guix build utils)) (mkdir #$output) (for-each (match-lambda ((user keys ...) (let ((file (string-append #$output "/" user))) (call-with-output-file file (lambda (port) (for-each (lambda (key) (call-with-input-file key (cut dump-port <> port))) keys)))))) '#$keys)))) (computed-file "openssh-authorized-keys" build)) (define (openssh-config-file config) "Return the sshd configuration file corresponding to CONFIG." (computed-file "sshd_config" #~(begin (use-modules (ice-9 match)) (call-with-output-file #$output (lambda (port) (display "# Generated by 'openssh-service'.\n" port) (format port "Port ~a\n" #$(number->string (openssh-configuration-port-number config))) (format port "PermitRootLogin ~a\n" #$(match (openssh-configuration-permit-root-login config) (#t "yes") (#f "no") ('without-password (warn-about-deprecation 'without-password #f #:replacement 'prohibit-password) "prohibit-password") ('prohibit-password "prohibit-password"))) (format port "PermitEmptyPasswords ~a\n" #$(if (openssh-configuration-allow-empty-passwords? config) "yes" "no")) (format port "PasswordAuthentication ~a\n" #$(if (openssh-configuration-password-authentication? config) "yes" "no")) (format port "PubkeyAuthentication ~a\n" #$(if (openssh-configuration-public-key-authentication? config) "yes" "no")) (format port "X11Forwarding ~a\n" #$(if (openssh-configuration-x11-forwarding? config) "yes" "no")) (format port "AllowAgentForwarding ~a\n" #$(if (openssh-configuration-allow-agent-forwarding? config) "yes" "no")) (format port "AllowTcpForwarding ~a\n" #$(if (openssh-configuration-allow-tcp-forwarding? config) "yes" "no")) (format port "GatewayPorts ~a\n" #$(if (openssh-configuration-gateway-ports? config) "yes" "no")) (format port "PidFile ~a\n" #$(openssh-configuration-pid-file config)) (format port "ChallengeResponseAuthentication ~a\n" #$(if (openssh-configuration-challenge-response-authentication? config) "yes" "no")) (format port "UsePAM ~a\n" #$(if (openssh-configuration-use-pam? config) "yes" "no")) (format port "PrintLastLog ~a\n" #$(if (openssh-configuration-print-last-log? config) "yes" "no")) (format port "LogLevel ~a\n" #$(string-upcase (symbol->string (openssh-configuration-log-level config)))) ;; Add '/etc/authorized_keys.d/%u', which we populate. (format port "AuthorizedKeysFile \ .ssh/authorized_keys .ssh/authorized_keys2 /etc/ssh/authorized_keys.d/%u\n") (for-each (lambda (s) (format port "AcceptEnv ~a\n" s)) '#$(openssh-configuration-accepted-environment config)) (for-each (match-lambda ((name command) (format port "Subsystem\t~a\t~a\n" name command))) '#$(openssh-configuration-subsystems config)) (format port "~a\n" #$(openssh-configuration-extra-content config)) #t))))) (define (openssh-shepherd-service config) "Return a <shepherd-service> for openssh with CONFIG." (define pid-file (openssh-configuration-pid-file config)) (define port-number (openssh-configuration-port-number config)) (define max-connections (openssh-configuration-max-connections config)) (define config-file (openssh-config-file config)) (define openssh-command #~(list (string-append #$(openssh-configuration-openssh config) "/sbin/sshd") "-D" "-f" #$config-file)) (define inetd-style? ;; Whether to use 'make-inetd-constructor'. That procedure appeared in ;; Shepherd 0.9.0, but in 0.9.0, 'make-inetd-constructor' wouldn't let us ;; pass a list of endpoints, and it wouldn't let us define a service ;; listening on both IPv4 and IPv6, hence the conditional below. #~(and (defined? 'make-inetd-constructor) (not (string=? (@ (shepherd config) Version) "0.9.0")))) (define ipv6-support? ;; Expression that returns true if IPv6 support is available. #~(catch 'system-error (lambda () (let ((sock (socket AF_INET6 SOCK_STREAM 0))) (close-port sock) #t)) (const #f))) (list (shepherd-service (documentation "OpenSSH server.") (requirement '(pam syslogd loopback)) (provision '(ssh-daemon ssh sshd)) (start #~(if #$inetd-style? (make-inetd-constructor (append #$openssh-command '("-i")) (cons (endpoint (make-socket-address AF_INET INADDR_ANY #$port-number)) (if #$ipv6-support? (list (endpoint (make-socket-address AF_INET6 IN6ADDR_ANY #$port-number))) '())) #:requirements '#$requirement #:max-connections #$max-connections) (make-forkexec-constructor #$openssh-command #:pid-file #$pid-file))) (stop #~(if #$inetd-style? (make-inetd-destructor) (make-kill-destructor))) (actions (list (shepherd-configuration-action config-file))) (auto-start? (openssh-auto-start? config))))) (define (openssh-pam-services config) "Return a list of <pam-services> for sshd with CONFIG." (list (unix-pam-service "sshd" #:login-uid? #t #:allow-empty-passwords? (openssh-configuration-allow-empty-passwords? config)))) (define (extend-openssh-authorized-keys config keys) "Extend CONFIG with the extra authorized keys listed in KEYS." (openssh-configuration (inherit config) (authorized-keys (match (append (openssh-configuration-authorized-keys config) keys) ((and alist ((users _ ...) ...)) ;; Build a user/key-list mapping. (let ((user-keys (alist->vhash alist))) ;; Coalesce the key lists associated with each user. (map (lambda (user) `(,user ,@(concatenate (vhash-fold* cons '() user user-keys)))) users))))))) (define openssh-service-type (service-type (name 'openssh) (description "Run the OpenSSH secure shell (SSH) server, @command{sshd}.") (extensions (list (service-extension shepherd-root-service-type openssh-shepherd-service) (service-extension pam-root-service-type openssh-pam-services) (service-extension activation-service-type openssh-activation) (service-extension account-service-type (const %openssh-accounts)) ;; Install OpenSSH in the system profile. That way, ;; 'scp' is found when someone tries to copy to or from ;; this machine. (service-extension profile-service-type (lambda (config) (list (openssh-configuration-openssh config)))))) (compose concatenate) (extend extend-openssh-authorized-keys) (default-value (openssh-configuration)))) ;;; ;;; Dropbear. ;;; (define-record-type* <dropbear-configuration> dropbear-configuration make-dropbear-configuration dropbear-configuration? (dropbear dropbear-configuration-dropbear (default dropbear)) (port-number dropbear-configuration-port-number (default 22)) (syslog-output? dropbear-configuration-syslog-output? (default #t)) (pid-file dropbear-configuration-pid-file (default "/var/run/dropbear.pid")) (root-login? dropbear-configuration-root-login? (default #f)) (allow-empty-passwords? dropbear-configuration-allow-empty-passwords? (default #f)) (password-authentication? dropbear-configuration-password-authentication? (default #t))) (define (dropbear-activation config) "Return the activation gexp for CONFIG." #~(begin (use-modules (guix build utils)) (mkdir-p "/etc/dropbear"))) (define (dropbear-shepherd-service config) "Return a <shepherd-service> for dropbear with CONFIG." (define dropbear (dropbear-configuration-dropbear config)) (define pid-file (dropbear-configuration-pid-file config)) (define dropbear-command #~(list (string-append #$dropbear "/sbin/dropbear") ;; '-R' allows host keys to be automatically generated upon first ;; connection, at a time when /dev/urandom is more likely securely ;; seeded. "-F" "-R" "-p" #$(number->string (dropbear-configuration-port-number config)) "-P" #$pid-file #$@(if (dropbear-configuration-syslog-output? config) '() '("-E")) #$@(if (dropbear-configuration-root-login? config) '() '("-w")) #$@(if (dropbear-configuration-password-authentication? config) '() '("-s" "-g")) #$@(if (dropbear-configuration-allow-empty-passwords? config) '("-B") '()))) (define requires (if (dropbear-configuration-syslog-output? config) '(networking syslogd) '(networking))) (list (shepherd-service (documentation "Dropbear SSH server.") (requirement requires) (provision '(ssh-daemon ssh sshd)) (start #~(make-forkexec-constructor #$dropbear-command #:pid-file #$pid-file)) (stop #~(make-kill-destructor))))) (define dropbear-service-type (service-type (name 'dropbear) (description "Run the Dropbear secure shell (SSH) server.") (extensions (list (service-extension shepherd-root-service-type dropbear-shepherd-service) (service-extension activation-service-type dropbear-activation))) (default-value (dropbear-configuration)))) (define-deprecated (dropbear-service #:optional (config (dropbear-configuration))) dropbear-service-type "Run the @uref{https://matt.ucc.asn.au/dropbear/dropbear.html,Dropbear SSH daemon} with the given @var{config}, a @code{<dropbear-configuration>} object." (service dropbear-service-type config)) ;;; ;;; AutoSSH. ;;; (define-record-type* <autossh-configuration> autossh-configuration make-autossh-configuration autossh-configuration? (user autossh-configuration-user (default "autossh")) (poll autossh-configuration-poll (default 600)) (first-poll autossh-configuration-first-poll (default #f)) (gate-time autossh-configuration-gate-time (default 30)) (log-level autossh-configuration-log-level (default 1)) (max-start autossh-configuration-max-start (default #f)) (message autossh-configuration-message (default "")) (port autossh-configuration-port (default "0")) (ssh-options autossh-configuration-ssh-options (default '()))) (define (autossh-file-name config file) "Return a path in /var/run/autossh/ that is writable by @code{user} from @code{config}." (string-append "/var/run/autossh/" (autossh-configuration-user config) "/" file)) (define (autossh-shepherd-service config) (shepherd-service (documentation "Automatically set up ssh connections (and keep them alive).") (provision '(autossh)) (start #~(make-forkexec-constructor (list #$(file-append autossh "/bin/autossh") #$@(autossh-configuration-ssh-options config)) #:user #$(autossh-configuration-user config) #:group (passwd:gid (getpw #$(autossh-configuration-user config))) #:pid-file #$(autossh-file-name config "pid") #:log-file #$(autossh-file-name config "log") #:environment-variables '(#$(string-append "AUTOSSH_PIDFILE=" (autossh-file-name config "pid")) #$(string-append "AUTOSSH_LOGFILE=" (autossh-file-name config "log")) #$(string-append "AUTOSSH_POLL=" (number->string (autossh-configuration-poll config))) #$(string-append "AUTOSSH_FIRST_POLL=" (number->string (or (autossh-configuration-first-poll config) (autossh-configuration-poll config)))) #$(string-append "AUTOSSH_GATETIME=" (number->string (autossh-configuration-gate-time config))) #$(string-append "AUTOSSH_LOGLEVEL=" (number->string (autossh-configuration-log-level config))) #$(string-append "AUTOSSH_MAXSTART=" (number->string (or (autossh-configuration-max-start config) -1))) #$(string-append "AUTOSSH_MESSAGE=" (autossh-configuration-message config)) #$(string-append "AUTOSSH_PORT=" (autossh-configuration-port config))))) (stop #~(make-kill-destructor)))) (define (autossh-service-activation config) (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(autossh-configuration-user config))) (let* ((directory #$(autossh-file-name config "")) (log (string-append directory "/log"))) (mkdir-p directory) (chown directory (passwd:uid %user) (passwd:gid %user)) (call-with-output-file log (const #t)) (chown log (passwd:uid %user) (passwd:gid %user)))))) (define autossh-service-type (service-type (name 'autossh) (description "Automatically set up ssh connections (and keep them alive).") (extensions (list (service-extension shepherd-root-service-type (compose list autossh-shepherd-service)) (service-extension activation-service-type autossh-service-activation))) (default-value (autossh-configuration)))) ;;; ;;; WebSSH ;;; (define-record-type* <webssh-configuration> webssh-configuration make-webssh-configuration webssh-configuration? (package webssh-configuration-package ;file-like (default webssh)) (user-name webssh-configuration-user-name ;string (default "webssh")) (group-name webssh-configuration-group-name ;string (default "webssh")) (policy webssh-configuration-policy ;symbol (default #f)) (known-hosts webssh-configuration-known-hosts ;list of strings (default #f)) (port webssh-configuration-port ;number (default #f)) (address webssh-configuration-address ;string (default #f)) (log-file webssh-configuration-log-file ;string (default "/var/log/webssh.log")) (log-level webssh-configuration-log-level ;symbol (default #f))) (define %webssh-configuration-nginx (nginx-server-configuration (listen '("80")) (locations (list (nginx-location-configuration (uri "/") (body '("proxy_pass http://127.0.0.1:8888;" "proxy_http_version 1.1;" "proxy_read_timeout 300;" "proxy_set_header Upgrade $http_upgrade;" "proxy_set_header Connection \"upgrade\";" "proxy_set_header Host $http_host;" "proxy_set_header X-Real-IP $remote_addr;" "proxy_set_header X-Real-PORT $remote_port;"))))))) (define webssh-account ;; Return the user accounts and user groups for CONFIG. (match-lambda (($ <webssh-configuration> _ user-name group-name _ _ _ _ _ _) (list (user-group (name group-name)) (user-account (name user-name) (group group-name) (comment "webssh privilege separation user") (home-directory (string-append "/var/run/" user-name)) (shell #~(string-append #$shadow "/sbin/nologin"))))))) (define webssh-activation ;; Return the activation GEXP for CONFIG. (match-lambda (($ <webssh-configuration> _ user-name group-name policy known-hosts _ _ log-file _) (with-imported-modules '((guix build utils)) #~(begin (let* ((home-dir (string-append "/var/run/" #$user-name)) (ssh-dir (string-append home-dir "/.ssh")) (known-hosts-file (string-append ssh-dir "/known_hosts"))) (call-with-output-file #$log-file (const #t)) (mkdir-p ssh-dir) (case '#$policy ((reject) (if '#$known-hosts (call-with-output-file known-hosts-file (lambda (port) (for-each (lambda (host) (display host port) (newline port)) '#$known-hosts))) (display-hint (G_ "webssh: reject policy requires `known-hosts'."))))) (for-each (lambda (file) (chown file (passwd:uid (getpw #$user-name)) (group:gid (getpw #$group-name)))) (list #$log-file ssh-dir known-hosts-file)) (chmod ssh-dir #o700))))))) (define webssh-shepherd-service (match-lambda (($ <webssh-configuration> package user-name group-name policy _ port address log-file log-level) (list (shepherd-service (provision '(webssh)) (documentation "Run webssh daemon.") (start #~(make-forkexec-constructor `(,(string-append #$webssh "/bin/wssh") ,(string-append "--log-file-prefix=" #$log-file) ,@(case '#$log-level ((debug) '("--logging=debug")) (else '())) ,@(case '#$policy ((reject) '("--policy=reject")) (else '())) ,@(if #$port (list (string-append "--port=" (number->string #$port))) '()) ,@(if #$address (list (string-append "--address=" #$address)) '())) #:user #$user-name #:group #$group-name)) (stop #~(make-kill-destructor))))))) (define webssh-service-type (service-type (name 'webssh) (extensions (list (service-extension shepherd-root-service-type webssh-shepherd-service) (service-extension account-service-type webssh-account) (service-extension activation-service-type webssh-activation))) (default-value (webssh-configuration)) (description "Run the webssh."))) ;;; ssh.scm ends here