diff options
-rw-r--r-- | doc/guix.texi | 208 | ||||
-rw-r--r-- | gnu/local.mk | 1 | ||||
-rw-r--r-- | gnu/services/telephony.scm | 305 |
3 files changed, 514 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 983d0e52e4..11a9de6897 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -221,6 +221,7 @@ Services * Database Services:: SQL databases, key-value stores, etc. * Mail Services:: IMAP, POP3, SMTP, and all that. * Messaging Services:: Messaging services. +* Telephony Services:: Telephony services. * Monitoring Services:: Monitoring services. * Kerberos Services:: Kerberos services. * Web Services:: Web servers. @@ -9308,6 +9309,7 @@ declaration. * Database Services:: SQL databases, key-value stores, etc. * Mail Services:: IMAP, POP3, SMTP, and all that. * Messaging Services:: Messaging services. +* Telephony Services:: Telephony services. * Monitoring Services:: Monitoring services. * Kerberos Services:: Kerberos services. * Web Services:: Web servers. @@ -14189,6 +14191,212 @@ string, you could instantiate a prosody service like this: (prosody.cfg.lua ""))) @end example + +@node Telephony Services +@subsubsection Telephony Services + +@cindex Murmur (VoIP server) +@cindex VoIP server +This section describes how to set up and run a Murmur server. Murmur is +the server of the @uref{https://mumble.info, Mumble} voice-over-IP +(VoIP) suite. + +@deftp {Data Type} murmur-configuration +The service type for the Murmur server. An example configuration can +look like this: + +@example +(service murmur-service-type + (murmur-configuration + (welcome-text + "Welcome to this Mumble server running on GuixSD!") + (cert-required? #t) ;disallow text password logins + (ssl-cert "/etc/letsencrypt/live/mumble.example.com/fullchain.pem") + (ssl-key "/etc/letsencrypt/live/mumble.example.com/privkey.pem"))) +@end example + +After reconfiguring your system, you can manually set the murmur @code{SuperUser} +password with the command that is printed during the activation phase. + +It is recommended to register a normal Mumble user account +and grant it admin or moderator rights. +You can use the @code{mumble} client to +login as new normal user, register yourself, and log out. +For the next step login with the name @code{SuperUser} use +the @code{SuperUser} password that you set previously, +and grant your newly registered mumble user administrator or moderator +rights and create some channels. + +Available @code{murmur-configuration} fields are: + +@table @asis +@item @code{package} (default: @code{mumble}) +Package that contains @code{bin/murmurd}. + +@item @code{user} (default: @code{"murmur"}) +User who will run the Murmur server. + +@item @code{group} (default: @code{"murmur"}) +Group of the user who will run the murmur server. + +@item @code{port} (default: @code{64738}) +Port on which the server will listen. + +@item @code{welcome-text} (default: @code{""}) +Welcome text sent to clients when they connect. + +@item @code{server-password} (default: @code{""}) +Password the clients have to enter in order to connect. + +@item @code{max-users} (default: @code{100}) +Maximum of users that can be connected to the server at once. + +@item @code{max-user-bandwidth} (default: @code{#f}) +Maximum voice traffic a user can send per second. + +@item @code{database-file} (default: @code{"/var/lib/murmur/db.sqlite"}) +File name of the sqlite database. +The service's user will become the owner of the directory. + +@item @code{log-file} (default: @code{"/var/log/murmur/murmur.log"}) +File name of the log file. +The service's user will become the owner of the directory. + +@item @code{autoban-attempts} (default: @code{10}) +Maximum number of logins a user can make in @code{autoban-timeframe} +without getting auto banned for @code{autoban-time}. + +@item @code{autoban-timeframe} (default: @code{120}) +Timeframe for autoban in seconds. + +@item @code{autoban-time} (default: @code{300}) +Amount of time in seconds for which a client gets banned +when violating the autoban limits. + +@item @code{opus-threshold} (default: @code{100}) +Percentage of clients that need to support opus +before switching over to opus audio codec. + +@item @code{channel-nesting-limit} (default: @code{10}) +How deep channels can be nested at maximum. + +@item @code{channelname-regex} (default: @code{#f}) +A string in from of a Qt regular expression that channel names must conform to. + +@item @code{username-regex} (default: @code{#f}) +A string in from of a Qt regular expression that user names must conform to. + +@item @code{text-message-length} (default: @code{5000}) +Maximum size in bytes that a user can send in one text chat message. + +@item @code{image-message-length} (default: @code{(* 128 1024)}) +Maximum size in bytes that a user can send in one image message. + +@item @code{cert-required?} (default: @code{#f}) +If it is set to @code{#t} clients that use weak password authentification +will not be accepted. Users must have completed the certificate wizard to join. + +@item @code{remember-channel?} (defualt @code{#f}) +Should murmur remember the last channel each user was in when they disconnected +and put them into the remembered channel when they rejoin. + +@item @code{allow-html?} (default: @code{#f}) +Should html be allowed in text messages, user comments, and channel descriptions. + +@item @code{allow-ping?} (default: @code{#f}) +Setting to true exposes the current user count, the maximum user count, and +the server's maximum bandwidth per client to unauthenticated users. In the +Mumble client, this information is shown in the Connect dialog. + +Disabling this setting will prevent public listing of the server. + +@item @code{bonjour?} (default: @code{#f}) +Should the server advertise itself in the local network through the bonjour protocol. + +@item @code{send-version?} (default: @code{#f}) +Should the murmur server version be exposed in ping requests. + +@item @code{log-days} (default: @code{31}) +Murmur also stores logs in the database, which are accessible via RPC. +The default is 31 days of months, but you can set this setting to 0 to keep logs forever, +or -1 to disable logging to the database. + +@item @code{obfuscate-ips?} (default @code{#t}) +Should logged ips be obfuscated to protect the privacy of users. + +@item @code{ssl-cert} (default: @code{#f}) +File name of the SSL/TLS certificate used for encrypted connections. + +@example +(ssl-cert "/etc/letsencrypt/live/example.com/fullchain.pem") +@end example +@item @code{ssl-key} (default: @code{#f}) +Filepath to the ssl private key used for encrypted connections. +@example +(ssl-key "/etc/letsencrypt/live/example.com/privkey.pem") +@end example + +@item @code{ssl-dh-params} (default: @code{#f}) +File name of a PEM-encoded file with Diffie-Hellman parameters +for the SSL/TLS encryption. Alternatively you set it to +@code{"@@ffdhe2048"}, @code{"@@ffdhe3072"}, @code{"@@ffdhe4096"}, @code{"@@ffdhe6144"} +or @code{"@@ffdhe8192"} to use bundled parameters from RFC 7919. + +@item @code{ssl-ciphers} (default: @code{#f}) +The @code{ssl-ciphers} option chooses the cipher suites to make available for use +in SSL/TLS. + +This option is specified using +@uref{https://www.openssl.org/docs/apps/ciphers.html#CIPHER-LIST-FORMAT, +OpenSSL cipher list notation}. + +It is recommended that you try your cipher string using 'openssl ciphers <string>' +before setting it here, to get a feel for which cipher suites you will get. +After setting this option, it is recommend that you inspect your Murmur log +to ensure that Murmur is using the cipher suites that you expected it to. + +Note: Changing this option may impact the backwards compatibility of your +Murmur server, and can remove the ability for older Mumble clients to be able +to connect to it. + +@item @code{public-registration} (default: @code{#f}) +Must be a @code{<murmur-public-registration-configuration>} record or @code{#f}. + +You can optionally register your server in the public server list that the +@code{mumble} client shows on startup. +You cannot register your server if you have set a @code{server-password}, +or set @code{allow-ping} to @code{#f}. + +It might take a few hours until it shows up in the public list. + +@item @code{file} (default: @code{#f}) +Optional alternative override for this configuration. +@end table +@end deftp + +@deftp {Data Type} murmur-public-registration-configuration +Configuration for public registration of a murmur service. + +@table @asis +@item @code{name} +This is a display name for your server. Not to be confused with the hostname. + +@item @code{password} +A password to identify your registration. +Subsequent updates will need the same password. Don't lose your password. + +@item @code{url} +This should be a @code{http://} or @code{https://} link to your web +site. + +@item @code{hostname} (default: @code{#f}) +By default your server will be listed by its IP address. +If it is set your server will be linked by this host name instead. +@end table +@end deftp + + + @node Monitoring Services @subsubsection Monitoring Services diff --git a/gnu/local.mk b/gnu/local.mk index 4d0ee75100..dbfe6829e6 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -461,6 +461,7 @@ GNU_SYSTEM_MODULES = \ %D%/services/spice.scm \ %D%/services/ssh.scm \ %D%/services/sysctl.scm \ + %D%/services/telephony.scm \ %D%/services/version-control.scm \ %D%/services/vpn.scm \ %D%/services/web.scm \ diff --git a/gnu/services/telephony.scm b/gnu/services/telephony.scm new file mode 100644 index 0000000000..0a735315b4 --- /dev/null +++ b/gnu/services/telephony.scm @@ -0,0 +1,305 @@ +;;; 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)))) |