2017-10-14 05:27:50 -04:00
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 nee <nee-git@hidamari.blue>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services telephony)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu system shadow)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages telephony)
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#:use-module (guix records)
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#:use-module (guix gexp)
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#:use-module (srfi srfi-1)
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#:use-module (ice-9 match)
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#:export (murmur-configuration
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make-murmur-configuration
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murmur-configuration?
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murmur-configuration-package
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murmur-configuration-user
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murmur-configuration-group
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murmur-configuration-port
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murmur-configuration-welcome-text
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murmur-configuration-server-password
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murmur-configuration-max-users
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murmur-configuration-max-user-bandwidth
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murmur-configuration-database-file
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murmur-configuration-log-file
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murmur-configuration-pid-file
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murmur-configuration-autoban-attempts
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murmur-configuration-autoban-timeframe
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murmur-configuration-autoban-time
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murmur-configuration-opus-threshold
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murmur-configuration-channel-nesting-limit
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murmur-configuration-channelname-regex
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murmur-configuration-username-regex
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murmur-configuration-text-message-length
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murmur-configuration-image-message-length
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murmur-configuration-cert-required?
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murmur-configuration-remember-channel?
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murmur-configuration-allow-html?
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murmur-configuration-allow-ping?
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murmur-configuration-bonjour?
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murmur-configuration-send-version?
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murmur-configuration-log-days
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murmur-configuration-obfuscate-ips?
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murmur-configuration-ssl-cert
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murmur-configuration-ssl-key
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murmur-configuration-ssl-dh-params
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murmur-configuration-ssl-ciphers
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murmur-configuration-public-registration
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murmur-configuration-file
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murmur-public-registration-configuration
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make-murmur-public-registration-configuration
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murmur-public-registration-configuration?
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murmur-public-registration-configuration-name
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murmur-public-registration-configuration-url
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murmur-public-registration-configuration-password
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murmur-public-registration-configuration-hostname
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murmur-service-type))
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;; https://github.com/mumble-voip/mumble/blob/master/scripts/murmur.ini
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(define-record-type* <murmur-configuration> murmur-configuration
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make-murmur-configuration
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murmur-configuration?
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(package murmur-configuration-package ;<package>
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(default mumble))
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(user murmur-configuration-user
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(default "murmur"))
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(group murmur-configuration-group
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(default "murmur"))
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(port murmur-configuration-port
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(default 64738))
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(welcome-text murmur-configuration-welcome-text
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(default ""))
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(server-password murmur-configuration-server-password
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(default ""))
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(max-users murmur-configuration-max-users
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(default 100))
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(max-user-bandwidth murmur-configuration-max-user-bandwidth
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(default #f))
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(database-file murmur-configuration-database-file
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(default "/var/lib/murmur/db.sqlite"))
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(log-file murmur-configuration-log-file
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(default "/var/log/murmur/murmur.log"))
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(pid-file murmur-configuration-pid-file
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(default "/var/run/murmur/murmur.pid"))
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(autoban-attempts murmur-configuration-autoban-attempts
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(default 10))
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(autoban-timeframe murmur-configuration-autoban-timeframe
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(default 120))
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(autoban-time murmur-configuration-autoban-time
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(default 300))
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(opus-threshold murmur-configuration-opus-threshold
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(default 100)) ; integer percent
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(channel-nesting-limit murmur-configuration-channel-nesting-limit
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(default 10))
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(channelname-regex murmur-configuration-channelname-regex
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(default #f))
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(username-regex murmur-configuration-username-regex
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(default #f))
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(text-message-length murmur-configuration-text-message-length
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(default 5000))
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(image-message-length murmur-configuration-image-message-length
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(default (* 128 1024))) ; 128 Kilobytes
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(cert-required? murmur-configuration-cert-required?
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(default #f))
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(remember-channel? murmur-configuration-remember-channel?
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(default #f))
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(allow-html? murmur-configuration-allow-html?
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(default #f))
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(allow-ping? murmur-configuration-allow-ping?
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(default #f))
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(bonjour? murmur-configuration-bonjour?
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(default #f))
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(send-version? murmur-configuration-send-version?
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(default #f))
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(log-days murmur-configuration-log-days
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(default 31))
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(obfuscate-ips? murmur-obfuscate-ips?
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(default #t))
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(ssl-cert murmur-configuration-ssl-cert
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(default #f))
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(ssl-key murmur-configuration-ssl-key
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(default #f))
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(ssl-dh-params murmur-configuration-ssl-dh-params
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(default #f))
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(ssl-ciphers murmur-configuration-ssl-ciphers
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(default #f))
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(public-registration murmur-configuration-public-registration
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(default #f)) ; <murmur-public-registration-configuration>
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(file murmur-configuration-file
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(default #f)))
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(define-record-type* <murmur-public-registration-configuration>
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murmur-public-registration-configuration
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make-murmur-public-registration-configuration
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murmur-public-registration-configuration?
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(name murmur-public-registration-configuration-name)
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(password murmur-public-registration-configuration-password)
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(url murmur-public-registration-configuration-url)
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(hostname murmur-public-registration-configuration-hostname
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(default #f)))
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(define (flatten . lst)
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"Return a list that recursively concatenates all sub-lists of LST."
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(define (flatten1 head out)
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(if (list? head)
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(fold-right flatten1 out head)
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(cons head out)))
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(fold-right flatten1 '() lst))
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(define (default-murmur-config config)
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(match-record
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config
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<murmur-configuration>
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(user port welcome-text server-password max-users max-user-bandwidth
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database-file log-file pid-file autoban-attempts autoban-timeframe
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autoban-time opus-threshold channel-nesting-limit channelname-regex
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username-regex text-message-length image-message-length cert-required?
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remember-channel? allow-html? allow-ping? bonjour? send-version?
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log-days obfuscate-ips? ssl-cert ssl-key ssl-dh-params ssl-ciphers
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public-registration)
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(apply mixed-text-file "murmur.ini"
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(flatten
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"welcometext=" welcome-text "\n"
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"port=" (number->string port) "\n"
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(if server-password (list "serverpassword=" server-password "\n") '())
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2020-03-29 09:54:16 -04:00
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(if max-user-bandwidth (list "bandwidth="
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(number->string max-user-bandwidth) "\n")
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'())
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2017-10-14 05:27:50 -04:00
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"users=" (number->string max-users) "\n"
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"uname=" user "\n"
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"database=" database-file "\n"
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"logfile=" log-file "\n"
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"pidfile=" pid-file "\n"
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(if autoban-attempts (list "autobanAttempts=" (number->string autoban-attempts) "\n") '())
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(if autoban-timeframe (list "autobanTimeframe=" (number->string autoban-timeframe) "\n") '())
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(if autoban-time (list "autobanTime=" (number->string autoban-time) "\n") '())
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(if opus-threshold (list "opusthreshold=" (number->string opus-threshold) "\n") '())
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(if channel-nesting-limit (list "channelnestinglimit=" (number->string channel-nesting-limit) "\n") '())
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(if channelname-regex (list "channelname=" channelname-regex "\n") '())
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(if username-regex (list "username=" username-regex "\n") '())
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(if text-message-length (list "textmessagelength=" (number->string text-message-length) "\n") '())
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(if image-message-length (list "imagemessagelength=" (number->string image-message-length) "\n") '())
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(if log-days (list "logdays=" (number->string log-days) "\n") '())
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"obfuscate=" (if obfuscate-ips? "true" "false") "\n"
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"certrequired=" (if cert-required? "true" "false") "\n"
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"rememberchannel=" (if remember-channel? "true" "false") "\n"
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"allowhtml=" (if allow-html? "true" "false") "\n"
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"allowping=" (if allow-ping? "true" "false") "\n"
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"bonjour=" (if bonjour? "true" "false") "\n"
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"sendversion=" (if send-version? "true" "false") "\n"
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(cond ((and ssl-cert ssl-key)
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(list
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"sslCert=" ssl-cert "\n"
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"sslKey=" ssl-key "\n"))
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((or ssl-cert ssl-key)
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(error "ssl-cert and ssl-key must both be set"
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ssl-cert ssl-key))
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(else '()))
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(if ssl-dh-params (list "sslDHParams=" ssl-dh-params) '())
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(if ssl-ciphers (list "sslCiphers=" ssl-ciphers) '())
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(match public-registration
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(#f '())
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(($ <murmur-public-registration-configuration>
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name password url hostname)
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(if (and (or (not server-password) (string-null? server-password))
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allow-ping?)
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(list
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"registerName=" name "\n"
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"registerPassword=" password "\n"
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"registerUrl=" url "\n"
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(if hostname
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(string-append "registerHostname=" hostname "\n")
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""))
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(error "To publicly register your murmur server your server must be publicy visible
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and users must be able to join without a password. To fix this set:
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(allow-ping? #t)
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(server-password \"\")
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Or set public-registration to #f"))))))))
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(define (murmur-activation config)
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#~(begin
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(use-modules (guix build utils))
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(let* ((log-dir (dirname #$(murmur-configuration-log-file config)))
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(pid-dir (dirname #$(murmur-configuration-pid-file config)))
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(db-dir (dirname #$(murmur-configuration-database-file config)))
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(user (getpwnam #$(murmur-configuration-user config)))
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(init-dir
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(lambda (name dir)
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(format #t "creating murmur ~a directory '~a'\n" name dir)
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(mkdir-p dir)
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(chown dir (passwd:uid user) (passwd:gid user))
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(chmod dir #o700)))
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(ini #$(or (murmur-configuration-file config)
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(default-murmur-config config))))
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(init-dir "log" log-dir)
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(init-dir "pid" pid-dir)
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(init-dir "database" db-dir)
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(format #t "murmur: use config file: ~a~%\n" ini)
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(format #t "murmur: to set the SuperUser password run:
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`~a -ini ~a -readsupw`\n"
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#$(file-append (murmur-configuration-package config)
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"/bin/murmurd") ini)
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#t)))
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(define murmur-accounts
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(match-lambda
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(($ <murmur-configuration> _ user group)
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(list
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(user-group
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(name group)
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(system? #t))
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(user-account
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(name user)
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(group group)
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(system? #t)
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(comment "Murmur Daemon")
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(home-directory "/var/empty")
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(shell (file-append shadow "/sbin/nologin")))))))
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(define (murmur-shepherd-service config)
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(list (shepherd-service
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(provision '(murmur))
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(documentation "Run the Murmur Mumble server.")
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(requirement '(networking))
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(start #~(make-forkexec-constructor
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'(#$(file-append (murmur-configuration-package config)
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"/bin/murmurd")
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"-ini"
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#$(or (murmur-configuration-file config)
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(default-murmur-config config)))
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#:pid-file #$(murmur-configuration-pid-file config)))
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(stop #~(make-kill-destructor)))))
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(define murmur-service-type
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(service-type (name 'murmur)
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(description
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"Run the Murmur voice-over-IP (VoIP) server of the Mumble
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suite.")
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(extensions
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(list (service-extension shepherd-root-service-type
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murmur-shepherd-service)
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(service-extension activation-service-type
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murmur-activation)
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(service-extension account-service-type
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murmur-accounts)))
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(default-value (murmur-configuration))))
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