blob: e5d05add28e52289111dbb4cb042845e1884a339 (
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
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2024 Fabio Natali <me@fabionatali.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 (gnu services upnp)
#:use-module (gnu build linux-container)
#:use-module (gnu packages admin)
#:use-module (gnu packages upnp)
#:use-module (gnu services admin)
#:use-module (gnu services base)
#:use-module (gnu services shepherd)
#:use-module (gnu services)
#:use-module (gnu system file-systems)
#:use-module (gnu system shadow)
#:use-module (guix gexp)
#:use-module (guix least-authority)
#:use-module (guix modules)
#:use-module (guix records)
#:use-module (ice-9 match)
#:export (%readymedia-default-cache-directory
%readymedia-default-log-directory
%readymedia-default-port
%readymedia-log-file
%readymedia-user-account
%readymedia-user-group
readymedia-configuration
readymedia-configuration?
readymedia-configuration-readymedia
readymedia-configuration-port
readymedia-configuration-cache-directory
readymedia-configuration-extra-config
readymedia-configuration-friendly-name
readymedia-configuration-log-directory
readymedia-configuration-media-directories
readymedia-media-directory
readymedia-media-directory-path
readymedia-media-directory-types
readymedia-media-directory?
readymedia-service-type))
;;; Commentary:
;;;
;;; UPnP services.
;;;
;;; Code:
(define %readymedia-default-cache-directory "/var/cache/readymedia")
(define %readymedia-default-log-directory "/var/log/readymedia")
(define %readymedia-log-file "minidlna.log")
(define %readymedia-user-group "readymedia")
(define %readymedia-user-account "readymedia")
(define-record-type* <readymedia-configuration>
readymedia-configuration make-readymedia-configuration
readymedia-configuration?
(readymedia readymedia-configuration-readymedia
(default readymedia))
(port readymedia-configuration-port
(default #f))
(cache-directory readymedia-configuration-cache-directory
(default %readymedia-default-cache-directory))
(log-directory readymedia-configuration-log-directory
(default %readymedia-default-log-directory))
(friendly-name readymedia-configuration-friendly-name
(default #f))
(media-directories readymedia-configuration-media-directories)
(extra-config readymedia-configuration-extra-config
(default '())))
;; READYMEDIA-MEDIA-DIR is a record that indicates the path of a media folder
;; and the types of media included within it. Allowed individual types are the
;; symbols 'A' for audio, 'V' for video, and 'P' for pictures. The types field
;; can contain any combination of individual types; an empty list means that
;; no type is specified.
(define-record-type* <readymedia-media-directory>
readymedia-media-directory make-readymedia-media-directory
readymedia-media-directory?
(path readymedia-media-directory-path)
(types readymedia-media-directory-types
(default '())))
(define (readymedia-configuration->config-file config)
"Return the ReadyMedia/MiniDLNA configuration file corresponding to CONFIG."
(match-record config <readymedia-configuration>
(port friendly-name cache-directory log-directory media-directories extra-config)
(apply mixed-text-file
"minidlna.conf"
"db_dir=" cache-directory "\n"
"log_dir=" log-directory "\n"
(if friendly-name
(string-append "friendly_name=" friendly-name "\n")
"")
(if port
(string-append "port=" (number->string port) "\n")
"")
(append (map (match-record-lambda <readymedia-media-directory>
(path types)
(apply string-append
"media_dir="
(append (map symbol->string types)
(match types
(() (list))
(_ (list ",")))
(list path "\n"))))
media-directories)
(map (match-lambda
((key . value)
(string-append key "=" value "\n")))
extra-config)))))
(define (readymedia-shepherd-service config)
"Return a least-authority ReadyMedia/MiniDLNA Shepherd service."
(match-record config <readymedia-configuration>
(cache-directory log-directory media-directories)
(let ((minidlna-conf (readymedia-configuration->config-file config)))
(shepherd-service
(documentation "Run the ReadyMedia/MiniDLNA daemon.")
(provision '(readymedia))
(requirement '(networking user-processes))
(start
#~(make-forkexec-constructor
(list #$(least-authority-wrapper
(file-append (readymedia-configuration-readymedia config)
"/sbin/minidlnad")
#:name "minidlna"
#:mappings
(cons* (file-system-mapping
(source cache-directory)
(target source)
(writable? #t))
(file-system-mapping
(source log-directory)
(target source)
(writable? #t))
(file-system-mapping
(source minidlna-conf)
(target source))
(map (lambda (directory)
(file-system-mapping
(source (readymedia-media-directory-path directory))
(target source)))
media-directories))
#:namespaces (delq 'net %namespaces))
"-f"
#$minidlna-conf
"-S")
#:log-file #$(string-append log-directory "/" %readymedia-log-file)
#:user #$%readymedia-user-account
#:group #$%readymedia-user-group))
(stop #~(make-kill-destructor))))))
(define readymedia-accounts
(list (user-account
(name "readymedia")
(group "readymedia")
(system? #t)
(comment "ReadyMedia/MiniDLNA daemon user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))
(user-group
(name "readymedia")
(system? #t))))
(define (readymedia-activation config)
"Set up directories for ReadyMedia/MiniDLNA."
(match-record config <readymedia-configuration>
(cache-directory log-directory media-directories)
(with-imported-modules (source-module-closure '((gnu build activation)))
#~(begin
(use-modules (gnu build activation))
(for-each (lambda (directory)
(unless (file-exists? directory)
(mkdir-p/perms directory
(getpw #$%readymedia-user-account)
#o755)))
(list #$cache-directory
#$log-directory
#$@(map readymedia-media-directory-path
media-directories)))))))
(define readymedia-service-type
(service-type
(name 'readymedia)
(extensions
(list (service-extension shepherd-root-service-type
(compose list readymedia-shepherd-service))
(service-extension account-service-type
(const readymedia-accounts))
(service-extension activation-service-type
readymedia-activation)))
(description
"Run @command{minidlnad}, the ReadyMedia/MiniDLNA media server.")))
|