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guix/gnu/services/telephony.scm
nee b6d2930d1f
services: Add murmur. 
* gnu/services/telephony.scm: New file.
* gnu/local.mk: Add it.
* doc/guix.texi (Telephony Services): New node.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2017-11-05 15:21:53 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 nee <nee-git@hidamari.blue>
;;;
;;; 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 telephony)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu system shadow)
#:use-module (gnu packages admin)
#:use-module (gnu packages telephony)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:export (murmur-configuration
make-murmur-configuration
murmur-configuration?
murmur-configuration-package
murmur-configuration-user
murmur-configuration-group
murmur-configuration-port
murmur-configuration-welcome-text
murmur-configuration-server-password
murmur-configuration-max-users
murmur-configuration-max-user-bandwidth
murmur-configuration-database-file
murmur-configuration-log-file
murmur-configuration-pid-file
murmur-configuration-autoban-attempts
murmur-configuration-autoban-timeframe
murmur-configuration-autoban-time
murmur-configuration-opus-threshold
murmur-configuration-channel-nesting-limit
murmur-configuration-channelname-regex
murmur-configuration-username-regex
murmur-configuration-text-message-length
murmur-configuration-image-message-length
murmur-configuration-cert-required?
murmur-configuration-remember-channel?
murmur-configuration-allow-html?
murmur-configuration-allow-ping?
murmur-configuration-bonjour?
murmur-configuration-send-version?
murmur-configuration-log-days
murmur-configuration-obfuscate-ips?
murmur-configuration-ssl-cert
murmur-configuration-ssl-key
murmur-configuration-ssl-dh-params
murmur-configuration-ssl-ciphers
murmur-configuration-public-registration
murmur-configuration-file
murmur-public-registration-configuration
make-murmur-public-registration-configuration
murmur-public-registration-configuration?
murmur-public-registration-configuration-name
murmur-public-registration-configuration-url
murmur-public-registration-configuration-password
murmur-public-registration-configuration-hostname
murmur-service-type))
;; https://github.com/mumble-voip/mumble/blob/master/scripts/murmur.ini
(define-record-type* <murmur-configuration> murmur-configuration
make-murmur-configuration
murmur-configuration?
(package murmur-configuration-package ;<package>
(default mumble))
(user murmur-configuration-user
(default "murmur"))
(group murmur-configuration-group
(default "murmur"))
(port murmur-configuration-port
(default 64738))
(welcome-text murmur-configuration-welcome-text
(default ""))
(server-password murmur-configuration-server-password
(default ""))
(max-users murmur-configuration-max-users
(default 100))
(max-user-bandwidth murmur-configuration-max-user-bandwidth
(default #f))
(database-file murmur-configuration-database-file
(default "/var/lib/murmur/db.sqlite"))
(log-file murmur-configuration-log-file
(default "/var/log/murmur/murmur.log"))
(pid-file murmur-configuration-pid-file
(default "/var/run/murmur/murmur.pid"))
(autoban-attempts murmur-configuration-autoban-attempts
(default 10))
(autoban-timeframe murmur-configuration-autoban-timeframe
(default 120))
(autoban-time murmur-configuration-autoban-time
(default 300))
(opus-threshold murmur-configuration-opus-threshold
(default 100)) ; integer percent
(channel-nesting-limit murmur-configuration-channel-nesting-limit
(default 10))
(channelname-regex murmur-configuration-channelname-regex
(default #f))
(username-regex murmur-configuration-username-regex
(default #f))
(text-message-length murmur-configuration-text-message-length
(default 5000))
(image-message-length murmur-configuration-image-message-length
(default (* 128 1024))) ; 128 Kilobytes
(cert-required? murmur-configuration-cert-required?
(default #f))
(remember-channel? murmur-configuration-remember-channel?
(default #f))
(allow-html? murmur-configuration-allow-html?
(default #f))
(allow-ping? murmur-configuration-allow-ping?
(default #f))
(bonjour? murmur-configuration-bonjour?
(default #f))
(send-version? murmur-configuration-send-version?
(default #f))
(log-days murmur-configuration-log-days
(default 31))
(obfuscate-ips? murmur-obfuscate-ips?
(default #t))
(ssl-cert murmur-configuration-ssl-cert
(default #f))
(ssl-key murmur-configuration-ssl-key
(default #f))
(ssl-dh-params murmur-configuration-ssl-dh-params
(default #f))
(ssl-ciphers murmur-configuration-ssl-ciphers
(default #f))
(public-registration murmur-configuration-public-registration
(default #f)) ; <murmur-public-registration-configuration>
(file murmur-configuration-file
(default #f)))
(define-record-type* <murmur-public-registration-configuration>
murmur-public-registration-configuration
make-murmur-public-registration-configuration
murmur-public-registration-configuration?
(name murmur-public-registration-configuration-name)
(password murmur-public-registration-configuration-password)
(url murmur-public-registration-configuration-url)
(hostname murmur-public-registration-configuration-hostname
(default #f)))
(define (flatten . lst)
"Return a list that recursively concatenates all sub-lists of LST."
(define (flatten1 head out)
(if (list? head)
(fold-right flatten1 out head)
(cons head out)))
(fold-right flatten1 '() lst))
(define (default-murmur-config config)
(match-record
config
<murmur-configuration>
(user port welcome-text server-password max-users max-user-bandwidth
database-file log-file pid-file autoban-attempts autoban-timeframe
autoban-time opus-threshold channel-nesting-limit channelname-regex
username-regex text-message-length image-message-length cert-required?
remember-channel? allow-html? allow-ping? bonjour? send-version?
log-days obfuscate-ips? ssl-cert ssl-key ssl-dh-params ssl-ciphers
public-registration)
(apply mixed-text-file "murmur.ini"
(flatten
"welcometext=" welcome-text "\n"
"port=" (number->string port) "\n"
(if server-password (list "serverpassword=" server-password "\n") '())
(if max-user-bandwidth (list "bandwidth=" (number->string max-user-bandwidth)) '())
"users=" (number->string max-users) "\n"
"uname=" user "\n"
"database=" database-file "\n"
"logfile=" log-file "\n"
"pidfile=" pid-file "\n"
(if autoban-attempts (list "autobanAttempts=" (number->string autoban-attempts) "\n") '())
(if autoban-timeframe (list "autobanTimeframe=" (number->string autoban-timeframe) "\n") '())
(if autoban-time (list "autobanTime=" (number->string autoban-time) "\n") '())
(if opus-threshold (list "opusthreshold=" (number->string opus-threshold) "\n") '())
(if channel-nesting-limit (list "channelnestinglimit=" (number->string channel-nesting-limit) "\n") '())
(if channelname-regex (list "channelname=" channelname-regex "\n") '())
(if username-regex (list "username=" username-regex "\n") '())
(if text-message-length (list "textmessagelength=" (number->string text-message-length) "\n") '())
(if image-message-length (list "imagemessagelength=" (number->string image-message-length) "\n") '())
(if log-days (list "logdays=" (number->string log-days) "\n") '())
"obfuscate=" (if obfuscate-ips? "true" "false") "\n"
"certrequired=" (if cert-required? "true" "false") "\n"
"rememberchannel=" (if remember-channel? "true" "false") "\n"
"allowhtml=" (if allow-html? "true" "false") "\n"
"allowping=" (if allow-ping? "true" "false") "\n"
"bonjour=" (if bonjour? "true" "false") "\n"
"sendversion=" (if send-version? "true" "false") "\n"
(cond ((and ssl-cert ssl-key)
(list
"sslCert=" ssl-cert "\n"
"sslKey=" ssl-key "\n"))
((or ssl-cert ssl-key)
(error "ssl-cert and ssl-key must both be set"
ssl-cert ssl-key))
(else '()))
(if ssl-dh-params (list "sslDHParams=" ssl-dh-params) '())
(if ssl-ciphers (list "sslCiphers=" ssl-ciphers) '())
(match public-registration
(#f '())
(($ <murmur-public-registration-configuration>
name password url hostname)
(if (and (or (not server-password) (string-null? server-password))
allow-ping?)
(list
"registerName=" name "\n"
"registerPassword=" password "\n"
"registerUrl=" url "\n"
(if hostname
(string-append "registerHostname=" hostname "\n")
""))
(error "To publicly register your murmur server your server must be publicy visible
and users must be able to join without a password. To fix this set:
(allow-ping? #t)
(server-password \"\")
Or set public-registration to #f"))))))))
(define (murmur-activation config)
#~(begin
(use-modules (guix build utils))
(let* ((log-dir (dirname #$(murmur-configuration-log-file config)))
(pid-dir (dirname #$(murmur-configuration-pid-file config)))
(db-dir (dirname #$(murmur-configuration-database-file config)))
(user (getpwnam #$(murmur-configuration-user config)))
(init-dir
(lambda (name dir)
(format #t "creating murmur ~a directory '~a'\n" name dir)
(mkdir-p dir)
(chown dir (passwd:uid user) (passwd:gid user))
(chmod dir #o700)))
(ini #$(or (murmur-configuration-file config)
(default-murmur-config config))))
(init-dir "log" log-dir)
(init-dir "pid" pid-dir)
(init-dir "database" db-dir)
(format #t "murmur: use config file: ~a~%\n" ini)
(format #t "murmur: to set the SuperUser password run:
`~a -ini ~a -readsupw`\n"
#$(file-append (murmur-configuration-package config)
"/bin/murmurd") ini)
#t)))
(define murmur-accounts
(match-lambda
(($ <murmur-configuration> _ user group)
(list
(user-group
(name group)
(system? #t))
(user-account
(name user)
(group group)
(system? #t)
(comment "Murmur Daemon")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))))
(define (murmur-shepherd-service config)
(list (shepherd-service
(provision '(murmur))
(documentation "Run the Murmur Mumble server.")
(requirement '(networking))
(start #~(make-forkexec-constructor
'(#$(file-append (murmur-configuration-package config)
"/bin/murmurd")
"-ini"
#$(or (murmur-configuration-file config)
(default-murmur-config config)))
#:pid-file #$(murmur-configuration-pid-file config)))
(stop #~(make-kill-destructor)))))
(define murmur-service-type
(service-type (name 'murmur)
(description
"Run the Murmur voice-over-IP (VoIP) server of the Mumble
suite.")
(extensions
(list (service-extension shepherd-root-service-type
murmur-shepherd-service)
(service-extension activation-service-type
murmur-activation)
(service-extension account-service-type
murmur-accounts)))
(default-value (murmur-configuration))))
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