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guix/gnu/services/networking.scm
Tobias Geerinckx-Rice 892f1b7273
services: Accept <inferior-package>s in lieu of <package>s. 
* gnu/services/authentication.scm (fprintd-configuration)
(nslcd-configuration): Substitute file-like objects for package ones.
* gnu/services/cgit.scm (cgit-configuration, opaque-cgit-configuration):
Likewise.
* gnu/services/cups.scm (package-list?, cups-configuration): Likewise.
* gnu/services/dns.scm (verify-knot-configuration)
(ddclient-configuration): Likewise.
* gnu/services/docker.scm (docker-configuration): Likewise.
* gnu/services/file-sharing.scm (transmission-daemon-configuration): Likewise.
* gnu/services/getmail.scm (getmail-configuration): Likewise.
* gnu/services/mail.scm (dovecot-configuration)
(opaque-dovecot-configuration): Likewise.
* gnu/services/messaging.scm (prosody-configuration)
(opaque-prosody-configuration): Likewise.
* gnu/services/monitoring.scm (zabbix-server-configuration)
(zabbix-agent-configuration): Likewise.
* gnu/services/networking.scm (opendht-configuration): Likewise.
* gnu/services/pm.scm (tlp-configuration): Likewise.
* gnu/services/telephony.scm (jami-configuration): Likewise.
* gnu/services/virtualization.scm (libvirt-configuration)
(qemu-guest-agent-configuration): Likewise.
* gnu/services/vpn.scm (openvpn-client-configuration): Likewise.
2021-11-30 01:08:55 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2016, 2018, 2020 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
;;; Copyright © 2017 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
;;; Copyright © 2017, 2018 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2019 Florian Pelz <pelzflorian@pelzflorian.de>
;;; Copyright © 2019, 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2019 Sou Bunnbu <iyzsong@member.fsf.org>
;;; Copyright © 2019 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2021 Oleg Pykhalov <go.wigust@gmail.com>
;;; Copyright © 2021 Christine Lemmer-Webber <cwebber@dustycloud.org>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;; Copyright © 2021 Guillaume Le Vaillant <glv@posteo.net>
;;;
;;; 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 networking)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services configuration)
#:use-module (gnu services linux)
#:use-module (gnu services shepherd)
#:use-module (gnu services dbus)
#:use-module (gnu system shadow)
#:use-module (gnu system pam)
#:use-module (gnu packages admin)
#:use-module (gnu packages base)
#:use-module (gnu packages bash)
#:use-module (gnu packages cluster)
#:use-module (gnu packages connman)
#:use-module (gnu packages freedesktop)
#:use-module (gnu packages linux)
#:use-module (gnu packages tor)
#:use-module (gnu packages usb-modeswitch)
#:use-module (gnu packages messaging)
#:use-module (gnu packages networking)
#:use-module (gnu packages ntp)
#:use-module (gnu packages wicd)
#:use-module (gnu packages gnome)
#:use-module (gnu packages ipfs)
#:use-module (gnu build linux-container)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (guix modules)
#:use-module (guix packages)
#:use-module (guix deprecation)
#:use-module (rnrs enums)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-43)
#:use-module (ice-9 match)
#:use-module (json)
#:re-export (static-networking-service
static-networking-service-type)
#:export (%facebook-host-aliases
dhcp-client-service-type
dhcpd-service-type
dhcpd-configuration
dhcpd-configuration?
dhcpd-configuration-package
dhcpd-configuration-config-file
dhcpd-configuration-version
dhcpd-configuration-run-directory
dhcpd-configuration-lease-file
dhcpd-configuration-pid-file
dhcpd-configuration-interfaces
ntp-configuration
ntp-configuration?
ntp-configuration-ntp
ntp-configuration-servers
ntp-allow-large-adjustment?
%ntp-servers
ntp-server
ntp-server-type
ntp-server-address
ntp-server-options
ntp-service-type
%openntpd-servers
openntpd-configuration
openntpd-configuration?
openntpd-service-type
inetd-configuration
inetd-entry
inetd-service-type
opendht-configuration
opendht-configuration-peer-discovery?
opendht-configuration-verbose?
opendht-configuration-bootstrap-host
opendht-configuration-port
opendht-configuration-proxy-server-port
opendht-configuration-proxy-server-port-tls
opendht-configuration->command-line-arguments
opendht-shepherd-service
opendht-service-type
tor-configuration
tor-configuration?
tor-hidden-service
tor-service-type
wicd-service-type
wicd-service
network-manager-configuration
network-manager-configuration?
network-manager-configuration-dns
network-manager-configuration-vpn-plugins
network-manager-service-type
connman-configuration
connman-configuration?
connman-service-type
modem-manager-configuration
modem-manager-configuration?
modem-manager-service-type
usb-modeswitch-configuration
usb-modeswitch-configuration?
usb-modeswitch-configuration-usb-modeswitch
usb-modeswitch-configuration-usb-modeswitch-data
usb-modeswitch-service-type
wpa-supplicant-configuration
wpa-supplicant-configuration?
wpa-supplicant-configuration-wpa-supplicant
wpa-supplicant-configuration-requirement
wpa-supplicant-configuration-pid-file
wpa-supplicant-configuration-dbus?
wpa-supplicant-configuration-interface
wpa-supplicant-configuration-config-file
wpa-supplicant-configuration-extra-options
wpa-supplicant-service-type
hostapd-configuration
hostapd-configuration?
hostapd-configuration-package
hostapd-configuration-interface
hostapd-configuration-ssid
hostapd-configuration-broadcast-ssid?
hostapd-configuration-channel
hostapd-configuration-driver
hostapd-service-type
simulated-wifi-service-type
openvswitch-service-type
openvswitch-configuration
iptables-configuration
iptables-configuration?
iptables-configuration-iptables
iptables-configuration-ipv4-rules
iptables-configuration-ipv6-rules
iptables-service-type
nftables-service-type
nftables-configuration
nftables-configuration?
nftables-configuration-package
nftables-configuration-ruleset
%default-nftables-ruleset
pagekite-service-type
pagekite-configuration
pagekite-configuration?
pagekite-configuration-package
pagekite-configuration-kitename
pagekite-configuration-kitesecret
pagekite-configuration-frontend
pagekite-configuration-kites
pagekite-configuration-extra-file
yggdrasil-service-type
yggdrasil-configuration
yggdrasil-configuration?
yggdrasil-configuration-autoconf?
yggdrasil-configuration-config-file
yggdrasil-configuration-log-level
yggdrasil-configuration-log-to
yggdrasil-configuration-json-config
yggdrasil-configuration-package
ipfs-service-type
ipfs-configuration
ipfs-configuration?
ipfs-configuration-package
ipfs-configuration-gateway
ipfs-configuration-api
keepalived-configuration
keepalived-configuration?
keepalived-service-type))
;;; Commentary:
;;;
;;; Networking services.
;;;
;;; Code:
(define %facebook-host-aliases
;; This is the list of known Facebook hosts to be added to /etc/hosts if you
;; are to block it.
"\
# Block Facebook IPv4.
127.0.0.1 www.facebook.com
127.0.0.1 facebook.com
127.0.0.1 login.facebook.com
127.0.0.1 www.login.facebook.com
127.0.0.1 fbcdn.net
127.0.0.1 www.fbcdn.net
127.0.0.1 fbcdn.com
127.0.0.1 www.fbcdn.com
127.0.0.1 static.ak.fbcdn.net
127.0.0.1 static.ak.connect.facebook.com
127.0.0.1 connect.facebook.net
127.0.0.1 www.connect.facebook.net
127.0.0.1 apps.facebook.com
# Block Facebook IPv6.
fe80::1%lo0 facebook.com
fe80::1%lo0 login.facebook.com
fe80::1%lo0 www.login.facebook.com
fe80::1%lo0 fbcdn.net
fe80::1%lo0 www.fbcdn.net
fe80::1%lo0 fbcdn.com
fe80::1%lo0 www.fbcdn.com
fe80::1%lo0 static.ak.fbcdn.net
fe80::1%lo0 static.ak.connect.facebook.com
fe80::1%lo0 connect.facebook.net
fe80::1%lo0 www.connect.facebook.net
fe80::1%lo0 apps.facebook.com\n")
(define dhcp-client-service-type
(shepherd-service-type
'dhcp-client
(lambda (dhcp)
(define dhclient
(file-append dhcp "/sbin/dhclient"))
(define pid-file
"/var/run/dhclient.pid")
(shepherd-service
(documentation "Set up networking via DHCP.")
(requirement '(user-processes udev))
;; XXX: Running with '-nw' ("no wait") avoids blocking for a minute when
;; networking is unavailable, but also means that the interface is not up
;; yet when 'start' completes. To wait for the interface to be ready, one
;; should instead monitor udev events.
(provision '(networking))
(start #~(lambda _
;; When invoked without any arguments, 'dhclient' discovers all
;; non-loopback interfaces *that are up*. However, the relevant
;; interfaces are typically down at this point. Thus we perform
;; our own interface discovery here.
(define valid?
(lambda (interface)
(and (arp-network-interface? interface)
(not (loopback-network-interface? interface))
;; XXX: Make sure the interfaces are up so that
;; 'dhclient' can actually send/receive over them.
;; Ignore those that cannot be activated.
(false-if-exception
(set-network-interface-up interface)))))
(define ifaces
(filter valid? (all-network-interface-names)))
(false-if-exception (delete-file #$pid-file))
(let ((pid (fork+exec-command
(cons* #$dhclient "-nw"
"-pf" #$pid-file ifaces))))
(and (zero? (cdr (waitpid pid)))
(read-pid-file #$pid-file)))))
(stop #~(make-kill-destructor))))
isc-dhcp
(description "Run @command{dhcp}, a Dynamic Host Configuration
Protocol (DHCP) client, on all the non-loopback network interfaces.")))
(define-record-type* <dhcpd-configuration>
dhcpd-configuration make-dhcpd-configuration
dhcpd-configuration?
(package dhcpd-configuration-package ;file-like
(default isc-dhcp))
(config-file dhcpd-configuration-config-file ;file-like
(default #f))
(version dhcpd-configuration-version ;"4", "6", or "4o6"
(default "4"))
(run-directory dhcpd-configuration-run-directory
(default "/run/dhcpd"))
(lease-file dhcpd-configuration-lease-file
(default "/var/db/dhcpd.leases"))
(pid-file dhcpd-configuration-pid-file
(default "/run/dhcpd/dhcpd.pid"))
;; list of strings, e.g. (list "enp0s25")
(interfaces dhcpd-configuration-interfaces
(default '())))
(define dhcpd-shepherd-service
(match-lambda
(($ <dhcpd-configuration> package config-file version run-directory
lease-file pid-file interfaces)
(unless config-file
(error "Must supply a config-file"))
(list (shepherd-service
;; Allow users to easily run multiple versions simultaneously.
(provision (list (string->symbol
(string-append "dhcpv" version "-daemon"))))
(documentation (string-append "Run the DHCPv" version " daemon"))
(requirement '(networking))
(start #~(make-forkexec-constructor
'(#$(file-append package "/sbin/dhcpd")
#$(string-append "-" version)
"-lf" #$lease-file
"-pf" #$pid-file
"-cf" #$config-file
#$@interfaces)
#:pid-file #$pid-file))
(stop #~(make-kill-destructor)))))))
(define dhcpd-activation
(match-lambda
(($ <dhcpd-configuration> package config-file version run-directory
lease-file pid-file interfaces)
(with-imported-modules '((guix build utils))
#~(begin
(unless (file-exists? #$run-directory)
(mkdir #$run-directory))
;; According to the DHCP manual (man dhcpd.leases), the lease
;; database must be present for dhcpd to start successfully.
(unless (file-exists? #$lease-file)
(with-output-to-file #$lease-file
(lambda _ (display ""))))
;; Validate the config.
(invoke/quiet
#$(file-append package "/sbin/dhcpd")
#$(string-append "-" version)
"-t" "-cf" #$config-file))))))
(define dhcpd-service-type
(service-type
(name 'dhcpd)
(extensions
(list (service-extension shepherd-root-service-type dhcpd-shepherd-service)
(service-extension activation-service-type dhcpd-activation)))
(description "Run a DHCP (Dynamic Host Configuration Protocol) daemon. The
daemon is responsible for allocating IP addresses to its client.")))
;;;
;;; NTP.
;;;
(define ntp-server-types (make-enumeration
'(pool
server
peer
broadcast
manycastclient)))
(define-record-type* <ntp-server>
ntp-server make-ntp-server
ntp-server?
;; The type can be one of the symbols of the NTP-SERVER-TYPE? enumeration.
(type ntp-server-type
(default 'server))
(address ntp-server-address) ; a string
;; The list of options can contain single option names or tuples in the form
;; '(name value).
(options ntp-server-options
(default '())))
(define (ntp-server->string ntp-server)
;; Serialize the NTP server object as a string, ready to use in the NTP
;; configuration file.
(define (flatten lst)
(reverse
(let loop ((x lst)
(res '()))
(if (list? x)
(fold loop res x)
(cons (format #f "~a" x) res)))))
(match ntp-server
(($ <ntp-server> type address options)
;; XXX: It'd be neater if fields were validated at the syntax level (for
;; static ones at least). Perhaps the Guix record type could support a
;; predicate property on a field?
(unless (enum-set-member? type ntp-server-types)
(error "Invalid NTP server type" type))
(string-join (cons* (symbol->string type)
address
(flatten options))))))
(define %ntp-servers
;; Default set of NTP servers. These URLs are managed by the NTP Pool project.
;; Within Guix, Leo Famulari <leo@famulari.name> is the administrative contact
;; for this NTP pool "zone".
(list
(ntp-server
(type 'pool)
(address "0.guix.pool.ntp.org")
(options '("iburst"))))) ;as recommended in the ntpd manual
(define-record-type* <ntp-configuration>
ntp-configuration make-ntp-configuration
ntp-configuration?
(ntp ntp-configuration-ntp
(default ntp))
(servers %ntp-configuration-servers ;list of <ntp-server> objects
(default %ntp-servers))
(allow-large-adjustment? ntp-allow-large-adjustment?
(default #t))) ;as recommended in the ntpd manual
(define (ntp-configuration-servers ntp-configuration)
;; A wrapper to support the deprecated form of this field.
(let ((ntp-servers (%ntp-configuration-servers ntp-configuration)))
(match ntp-servers
(((? string?) (? string?) ...)
(format (current-error-port) "warning: Defining NTP servers as strings is \
deprecated. Please use <ntp-server> records instead.\n")
(map (lambda (addr)
(ntp-server
(type 'server)
(address addr)
(options '()))) ntp-servers))
((($ <ntp-server>) ($ <ntp-server>) ...)
ntp-servers))))
(define ntp-shepherd-service
(lambda (config)
(match config
(($ <ntp-configuration> ntp servers allow-large-adjustment?)
(let ((servers (ntp-configuration-servers config)))
;; TODO: Add authentication support.
(define config
(string-append "driftfile /var/run/ntpd/ntp.drift\n"
(string-join (map ntp-server->string servers)
"\n")
"
# Disable status queries as a workaround for CVE-2013-5211:
# <http://support.ntp.org/bin/view/Main/SecurityNotice#DRDoS_Amplification_Attack_using>.
restrict default kod nomodify notrap nopeer noquery limited
restrict -6 default kod nomodify notrap nopeer noquery limited
# Yet, allow use of the local 'ntpq'.
restrict 127.0.0.1
restrict -6 ::1
# This is required to use servers from a pool directive when using the 'nopeer'
# option by default, as documented in the 'ntp.conf' manual.
restrict source notrap nomodify noquery\n"))
(define ntpd.conf
(plain-file "ntpd.conf" config))
(list (shepherd-service
(provision '(ntpd))
(documentation "Run the Network Time Protocol (NTP) daemon.")
(requirement '(user-processes networking))
(start #~(make-forkexec-constructor
(list (string-append #$ntp "/bin/ntpd") "-n"
"-c" #$ntpd.conf "-u" "ntpd"
#$@(if allow-large-adjustment?
'("-g")
'()))
#:log-file "/var/log/ntpd.log"))
(stop #~(make-kill-destructor)))))))))
(define %ntp-accounts
(list (user-account
(name "ntpd")
(group "nogroup")
(system? #t)
(comment "NTP daemon user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define (ntp-service-activation config)
"Return the activation gexp for CONFIG."
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(define %user
(getpw "ntpd"))
(let ((directory "/var/run/ntpd"))
(mkdir-p directory)
(chown directory (passwd:uid %user) (passwd:gid %user))))))
(define ntp-service-type
(service-type (name 'ntp)
(extensions
(list (service-extension shepherd-root-service-type
ntp-shepherd-service)
(service-extension account-service-type
(const %ntp-accounts))
(service-extension activation-service-type
ntp-service-activation)))
(description
"Run the @command{ntpd}, the Network Time Protocol (NTP)
daemon of the @uref{http://www.ntp.org, Network Time Foundation}. The daemon
will keep the system clock synchronized with that of the given servers.")
(default-value (ntp-configuration))))
;;;
;;; OpenNTPD.
;;;
(define %openntpd-servers
(map ntp-server-address %ntp-servers))
(define-record-type* <openntpd-configuration>
openntpd-configuration make-openntpd-configuration
openntpd-configuration?
(openntpd openntpd-configuration-openntpd
(default openntpd))
(listen-on openntpd-listen-on
(default '("127.0.0.1"
"::1")))
(query-from openntpd-query-from
(default '()))
(sensor openntpd-sensor
(default '()))
(server openntpd-server
(default '()))
(servers openntpd-servers
(default %openntpd-servers))
(constraint-from openntpd-constraint-from
(default '()))
(constraints-from openntpd-constraints-from
(default '())))
(define (openntpd-configuration->string config)
(define (quote-field? name)
(member name '("constraints from")))
(match-record config <openntpd-configuration>
(listen-on query-from sensor server servers constraint-from
constraints-from)
(string-append
(string-join
(concatenate
(filter-map (lambda (field values)
(match values
(() #f) ;discard entry with filter-map
((val ...) ;validate value type
(map (lambda (value)
(if (quote-field? field)
(format #f "~a \"~a\"" field value)
(format #f "~a ~a" field value)))
values))))
;; The entry names.
'("listen on" "query from" "sensor" "server" "servers"
"constraint from" "constraints from")
;; The corresponding entry values.
(list listen-on query-from sensor server servers
constraint-from constraints-from)))
"\n")
"\n"))) ;add a trailing newline
(define (openntpd-shepherd-service config)
(let ((openntpd (openntpd-configuration-openntpd config)))
(define ntpd.conf
(plain-file "ntpd.conf" (openntpd-configuration->string config)))
(list (shepherd-service
(provision '(ntpd))
(documentation "Run the Network Time Protocol (NTP) daemon.")
(requirement '(user-processes networking))
(start #~(make-forkexec-constructor
(list (string-append #$openntpd "/sbin/ntpd")
"-f" #$ntpd.conf
"-d") ;; don't daemonize
;; When ntpd is daemonized it repeatedly tries to respawn
;; while running, leading shepherd to disable it. To
;; prevent spamming stderr, redirect output to logfile.
#:log-file "/var/log/ntpd"))
(stop #~(make-kill-destructor))))))
(define (openntpd-service-activation config)
"Return the activation gexp for CONFIG."
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir-p "/var/db")
(mkdir-p "/var/run")
(unless (file-exists? "/var/db/ntpd.drift")
(with-output-to-file "/var/db/ntpd.drift"
(lambda _
(format #t "0.0")))))))
(define openntpd-service-type
(service-type (name 'openntpd)
(extensions
(list (service-extension shepherd-root-service-type
openntpd-shepherd-service)
(service-extension account-service-type
(const %ntp-accounts))
(service-extension profile-service-type
(compose list openntpd-configuration-openntpd))
(service-extension activation-service-type
openntpd-service-activation)))
(default-value (openntpd-configuration))
(description
"Run the @command{ntpd}, the Network Time Protocol (NTP)
daemon, as implemented by @uref{http://www.openntpd.org, OpenNTPD}. The
daemon will keep the system clock synchronized with that of the given servers.")))
;;;
;;; Inetd.
;;;
(define-record-type* <inetd-configuration> inetd-configuration
make-inetd-configuration
inetd-configuration?
(program inetd-configuration-program ;file-like
(default (file-append inetutils "/libexec/inetd")))
(entries inetd-configuration-entries ;list of <inetd-entry>
(default '())))
(define-record-type* <inetd-entry> inetd-entry make-inetd-entry
inetd-entry?
(node inetd-entry-node ;string or #f
(default #f))
(name inetd-entry-name) ;string, from /etc/services
(socket-type inetd-entry-socket-type) ;stream | dgram | raw |
;rdm | seqpacket
(protocol inetd-entry-protocol) ;string, from /etc/protocols
(wait? inetd-entry-wait? ;Boolean
(default #t))
(user inetd-entry-user) ;string
(program inetd-entry-program ;string or file-like object
(default "internal"))
(arguments inetd-entry-arguments ;list of strings or file-like objects
(default '())))
(define (inetd-config-file entries)
(apply mixed-text-file "inetd.conf"
(map
(lambda (entry)
(let* ((node (inetd-entry-node entry))
(name (inetd-entry-name entry))
(socket
(if node (string-append node ":" name) name))
(type
(match (inetd-entry-socket-type entry)
((or 'stream 'dgram 'raw 'rdm 'seqpacket)
(symbol->string (inetd-entry-socket-type entry)))))
(protocol (inetd-entry-protocol entry))
(wait (if (inetd-entry-wait? entry) "wait" "nowait"))
(user (inetd-entry-user entry))
(program (inetd-entry-program entry))
(args (inetd-entry-arguments entry)))
#~(string-append
(string-join
(list #$@(list socket type protocol wait user program) #$@args)
" ") "\n")))
entries)))
(define inetd-shepherd-service
(match-lambda
(($ <inetd-configuration> program ()) '()) ; empty list of entries -> do nothing
(($ <inetd-configuration> program entries)
(list
(shepherd-service
(documentation "Run inetd.")
(provision '(inetd))
(requirement '(user-processes networking syslogd))
(start #~(make-forkexec-constructor
(list #$program #$(inetd-config-file entries))
#:pid-file "/var/run/inetd.pid"))
(stop #~(make-kill-destructor)))))))
(define-public inetd-service-type
(service-type
(name 'inetd)
(extensions
(list (service-extension shepherd-root-service-type
inetd-shepherd-service)))
;; The service can be extended with additional lists of entries.
(compose concatenate)
(extend (lambda (config entries)
(inetd-configuration
(inherit config)
(entries (append (inetd-configuration-entries config)
entries)))))
(description
"Start @command{inetd}, the @dfn{Internet superserver}. It is responsible
for listening on Internet sockets and spawning the corresponding services on
demand.")))
;;;
;;; OpenDHT, the distributed hash table network used by Jami
;;;
(define-maybe/no-serialization number)
(define-maybe/no-serialization string)
;;; To generate the documentation of the following configuration record, you
;;; can evaluate: (configuration->documentation 'opendht-configuration)
(define-configuration/no-serialization opendht-configuration
(opendht
(file-like opendht)
"The @code{opendht} package to use.")
(peer-discovery?
(boolean #false)
"Whether to enable the multicast local peer discovery mechanism.")
(enable-logging?
(boolean #false)
"Whether to enable logging messages to syslog. It is disabled by default
as it is rather verbose.")
(debug?
(boolean #false)
"Whether to enable debug-level logging messages. This has no effect if
logging is disabled.")
(bootstrap-host
(maybe-string "bootstrap.jami.net:4222")
"The node host name that is used to make the first connection to the
network. A specific port value can be provided by appending the @code{:PORT}
suffix. By default, it uses the Jami bootstrap nodes, but any host can be
specified here. It's also possible to disable bootstrapping by setting this
to the @code{'disabled} symbol.")
(port
(maybe-number 4222)
"The UDP port to bind to. When set to @code{'disabled}, an available port
is automatically selected.")
(proxy-server-port
(maybe-number 'disabled)
"Spawn a proxy server listening on the specified port.")
(proxy-server-port-tls
(maybe-number 'disabled)
"Spawn a proxy server listening to TLS connections on the specified
port."))
(define %opendht-accounts
;; User account and groups for Tor.
(list (user-group (name "opendht") (system? #t))
(user-account
(name "opendht")
(group "opendht")
(system? #t)
(comment "OpenDHT daemon user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define (opendht-configuration->command-line-arguments config)
"Derive the command line arguments used to launch the OpenDHT daemon from
CONFIG, an <opendht-configuration> object."
(match-record config <opendht-configuration>
(opendht bootstrap-host enable-logging? port debug? peer-discovery?
proxy-server-port proxy-server-port-tls)
(let ((dhtnode #~(string-append #$opendht:tools "/bin/dhtnode")))
`(,dhtnode
"--service" ;non-forking mode
,@(if (string? bootstrap-host)
(list "--bootstrap" bootstrap-host))
,@(if enable-logging?
(list "--syslog")
'())
,@(if (number? port)
(list "--port" (number->string port))
'())
,@(if debug?
(list "--verbose")
'())
,@(if peer-discovery?
(list "--peer-discovery")
'())
,@(if (number? proxy-server-port)
(list "--proxyserver" (number->string proxy-server-port))
'())
,@(if (number? proxy-server-port-tls)
(list "--proxyserverssl" (number->string proxy-server-port-tls))
'())))))
(define (opendht-shepherd-service config)
"Return a <shepherd-service> running OpenDHT."
(with-imported-modules (source-module-closure
'((gnu build shepherd)
(gnu system file-systems)))
(shepherd-service
(documentation "Run an OpenDHT node.")
(provision '(opendht dhtnode dhtproxy))
(requirement '(networking syslogd))
(modules '((gnu build shepherd)
(gnu system file-systems)))
(start #~(make-forkexec-constructor/container
(list #$@(opendht-configuration->command-line-arguments config))
#:mappings (list (file-system-mapping
(source "/dev/log") ;for syslog
(target source)))
#:user "opendht"
#:group "opendht"))
(stop #~(make-kill-destructor)))))
(define opendht-service-type
(service-type
(name 'opendht)
(default-value (opendht-configuration))
(extensions
(list (service-extension shepherd-root-service-type
(compose list opendht-shepherd-service))
(service-extension account-service-type
(const %opendht-accounts))))
(description "Run the OpenDHT @command{dhtnode} command that allows
participating in the distributed hash table based OpenDHT network. The
service can be configured to act as a proxy to the distributed network, which
can be useful for portable devices where minimizing energy consumption is
paramount. OpenDHT was originally based on Kademlia and adapted for
applications in communication. It is used by Jami, for example.")))
;;;
;;; Tor.
;;;
(define-record-type* <tor-configuration>
tor-configuration make-tor-configuration
tor-configuration?
(tor tor-configuration-tor
(default tor))
(config-file tor-configuration-config-file
(default (plain-file "empty" "")))
(hidden-services tor-configuration-hidden-services
(default '()))
(socks-socket-type tor-configuration-socks-socket-type ; 'tcp or 'unix
(default 'tcp))
(control-socket? tor-control-socket-path
(default #f)))
(define %tor-accounts
;; User account and groups for Tor.
(list (user-group (name "tor") (system? #t))
(user-account
(name "tor")
(group "tor")
(system? #t)
(comment "Tor daemon user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define-record-type <hidden-service>
(hidden-service name mapping)
hidden-service?
(name hidden-service-name) ;string
(mapping hidden-service-mapping)) ;list of port/address tuples
(define (tor-configuration->torrc config)
"Return a 'torrc' file for CONFIG."
(match config
(($ <tor-configuration> tor config-file services
socks-socket-type control-socket?)
(computed-file
"torrc"
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils)
(ice-9 match))
(call-with-output-file #$output
(lambda (port)
(display "\
### These lines were generated from your system configuration:
User tor
DataDirectory /var/lib/tor
PidFile /var/run/tor/tor.pid
Log notice syslog\n" port)
(when (eq? 'unix '#$socks-socket-type)
(display "\
SocksPort unix:/var/run/tor/socks-sock
UnixSocksGroupWritable 1\n" port))
(when #$control-socket?
(display "\
ControlSocket unix:/var/run/tor/control-sock GroupWritable RelaxDirModeCheck
ControlSocketsGroupWritable 1\n"
port))
(for-each (match-lambda
((service (ports hosts) ...)
(format port "\
HiddenServiceDir /var/lib/tor/hidden-services/~a~%"
service)
(for-each (lambda (tcp-port host)
(format port "\
HiddenServicePort ~a ~a~%"
tcp-port host))
ports hosts)))
'#$(map (match-lambda
(($ <hidden-service> name mapping)
(cons name mapping)))
services))
(display "\
### End of automatically generated lines.\n\n" port)
;; Append the user's config file.
(call-with-input-file #$config-file
(lambda (input)
(dump-port input port)))
#t))))))))
(define (tor-shepherd-service config)
"Return a <shepherd-service> running Tor."
(match config
(($ <tor-configuration> tor)
(let ((torrc (tor-configuration->torrc config)))
(with-imported-modules (source-module-closure
'((gnu build shepherd)
(gnu system file-systems)))
(list (shepherd-service
(provision '(tor))
;; Tor needs at least one network interface to be up, hence the
;; dependency on 'loopback'.
(requirement '(user-processes loopback syslogd))
(modules '((gnu build shepherd)
(gnu system file-systems)))
(start #~(make-forkexec-constructor/container
(list #$(file-append tor "/bin/tor") "-f" #$torrc)
#:log-file "/var/log/tor.log"
#:mappings (list (file-system-mapping
(source "/var/lib/tor")
(target source)
(writable? #t))
(file-system-mapping
(source "/dev/log") ;for syslog
(target source))
(file-system-mapping
(source "/var/run/tor")
(target source)
(writable? #t)))
#:pid-file "/var/run/tor/tor.pid"))
(stop #~(make-kill-destructor))
(documentation "Run the Tor anonymous network overlay."))))))))
(define (tor-activation config)
"Set up directories for Tor and its hidden services, if any."
#~(begin
(use-modules (guix build utils))
(define %user
(getpw "tor"))
(define (initialize service)
(let ((directory (string-append "/var/lib/tor/hidden-services/"
service)))
(mkdir-p directory)
(chown directory (passwd:uid %user) (passwd:gid %user))
;; The daemon bails out if we give wider permissions.
(chmod directory #o700)))
;; Allow Tor to write its PID file.
(mkdir-p "/var/run/tor")
(chown "/var/run/tor" (passwd:uid %user) (passwd:gid %user))
;; Set the group permissions to rw so that if the system administrator
;; has specified UnixSocksGroupWritable=1 in their torrc file, members
;; of the "tor" group will be able to use the SOCKS socket.
(chmod "/var/run/tor" #o750)
;; Allow Tor to access the hidden services' directories.
(mkdir-p "/var/lib/tor")
(chown "/var/lib/tor" (passwd:uid %user) (passwd:gid %user))
(chmod "/var/lib/tor" #o700)
;; Make sure /var/lib is accessible to the 'tor' user.
(chmod "/var/lib" #o755)
(for-each initialize
'#$(map hidden-service-name
(tor-configuration-hidden-services config)))))
(define tor-service-type
(service-type (name 'tor)
(extensions
(list (service-extension shepherd-root-service-type
tor-shepherd-service)
(service-extension account-service-type
(const %tor-accounts))
(service-extension activation-service-type
tor-activation)))
;; This can be extended with hidden services.
(compose concatenate)
(extend (lambda (config services)
(tor-configuration
(inherit config)
(hidden-services
(append (tor-configuration-hidden-services config)
services)))))
(default-value (tor-configuration))
(description
"Run the @uref{https://torproject.org, Tor} anonymous
networking daemon.")))
(define tor-hidden-service-type
;; A type that extends Tor with hidden services.
(service-type (name 'tor-hidden-service)
(extensions
(list (service-extension tor-service-type list)))
(description
"Define a new Tor @dfn{hidden service}.")))
(define (tor-hidden-service name mapping)
"Define a new Tor @dfn{hidden service} called @var{name} and implementing
@var{mapping}. @var{mapping} is a list of port/host tuples, such as:
@example
'((22 \"127.0.0.1:22\")
(80 \"127.0.0.1:8080\"))
@end example
In this example, port 22 of the hidden service is mapped to local port 22, and
port 80 is mapped to local port 8080.
This creates a @file{/var/lib/tor/hidden-services/@var{name}} directory, where
the @file{hostname} file contains the @code{.onion} host name for the hidden
service.
See @uref{https://www.torproject.org/docs/tor-hidden-service.html.en, the Tor
project's documentation} for more information."
(service tor-hidden-service-type
(hidden-service name mapping)))
;;;
;;; Wicd.
;;;
(define %wicd-activation
;; Activation gexp for Wicd.
#~(begin
(use-modules (guix build utils))
(mkdir-p "/etc/wicd")
(let ((file-name "/etc/wicd/dhclient.conf.template.default"))
(unless (file-exists? file-name)
(copy-file (string-append #$wicd file-name)
file-name)))
;; Wicd invokes 'wpa_supplicant', which needs this directory for its
;; named socket files.
(mkdir-p "/var/run/wpa_supplicant")
(chmod "/var/run/wpa_supplicant" #o750)))
(define (wicd-shepherd-service wicd)
"Return a shepherd service for WICD."
(list (shepherd-service
(documentation "Run the Wicd network manager.")
(provision '(networking))
(requirement '(user-processes dbus-system loopback))
(start #~(make-forkexec-constructor
(list (string-append #$wicd "/sbin/wicd")
"--no-daemon")))
(stop #~(make-kill-destructor)))))
(define wicd-service-type
(service-type (name 'wicd)
(extensions
(list (service-extension shepherd-root-service-type
wicd-shepherd-service)
(service-extension dbus-root-service-type
list)
(service-extension activation-service-type
(const %wicd-activation))
;; Add Wicd to the global profile.
(service-extension profile-service-type list)))
(description
"Run @url{https://launchpad.net/wicd,Wicd}, a network
management daemon that aims to simplify wired and wireless networking.")))
(define* (wicd-service #:key (wicd wicd))
"Return a service that runs @url{https://launchpad.net/wicd,Wicd}, a network
management daemon that aims to simplify wired and wireless networking.
This service adds the @var{wicd} package to the global profile, providing
several commands to interact with the daemon and configure networking:
@command{wicd-client}, a graphical user interface, and the @command{wicd-cli}
and @command{wicd-curses} user interfaces."
(service wicd-service-type wicd))
;;;
;;; ModemManager
;;;
(define-record-type* <modem-manager-configuration>
modem-manager-configuration make-modem-manager-configuration
modem-manager-configuration?
(modem-manager modem-manager-configuration-modem-manager
(default modem-manager)))
;;;
;;; NetworkManager
;;;
(define-record-type* <network-manager-configuration>
network-manager-configuration make-network-manager-configuration
network-manager-configuration?
(network-manager network-manager-configuration-network-manager
(default network-manager))
(dns network-manager-configuration-dns
(default "default"))
(vpn-plugins network-manager-configuration-vpn-plugins ;list of file-like
(default '())))
(define network-manager-activation
;; Activation gexp for NetworkManager
(match-lambda
(($ <network-manager-configuration> network-manager dns vpn-plugins)
#~(begin
(use-modules (guix build utils))
(mkdir-p "/etc/NetworkManager/system-connections")
#$@(if (equal? dns "dnsmasq")
;; create directory to store dnsmasq lease file
'((mkdir-p "/var/lib/misc"))
'())))))
(define (vpn-plugin-directory plugins)
"Return a directory containing PLUGINS, the NM VPN plugins."
(directory-union "network-manager-vpn-plugins" plugins))
(define (network-manager-accounts config)
"Return the list of <user-account> and <user-group> for CONFIG."
(define nologin
(file-append shadow "/sbin/nologin"))
(define accounts
(append-map (lambda (package)
(map (lambda (name)
(user-account (system? #t)
(name name)
(group "network-manager")
(comment "NetworkManager helper")
(home-directory "/var/empty")
(create-home-directory? #f)
(shell nologin)))
(or (assoc-ref (package-properties package)
'user-accounts)
'())))
(network-manager-configuration-vpn-plugins config)))
(match accounts
(()
'())
(_
(cons (user-group (name "network-manager") (system? #t))
accounts))))
(define network-manager-environment
(match-lambda
(($ <network-manager-configuration> network-manager dns vpn-plugins)
;; Define this variable in the global environment such that
;; "nmcli connection import type openvpn file foo.ovpn" works.
`(("NM_VPN_PLUGIN_DIR"
. ,(file-append (vpn-plugin-directory vpn-plugins)
"/lib/NetworkManager/VPN"))))))
(define network-manager-shepherd-service
(match-lambda
(($ <network-manager-configuration> network-manager dns vpn-plugins)
(let ((conf (plain-file "NetworkManager.conf"
(string-append "[main]\ndns=" dns "\n")))
(vpn (vpn-plugin-directory vpn-plugins)))
(list (shepherd-service
(documentation "Run the NetworkManager.")
(provision '(networking))
(requirement '(user-processes dbus-system wpa-supplicant loopback))
(start #~(make-forkexec-constructor
(list (string-append #$network-manager
"/sbin/NetworkManager")
(string-append "--config=" #$conf)
"--no-daemon")
#:environment-variables
(list (string-append "NM_VPN_PLUGIN_DIR=" #$vpn
"/lib/NetworkManager/VPN")
;; Override non-existent default users
"NM_OPENVPN_USER="
"NM_OPENVPN_GROUP=")))
(stop #~(make-kill-destructor))))))))
(define network-manager-service-type
(let
((config->packages
(match-lambda
(($ <network-manager-configuration> network-manager _ vpn-plugins)
`(,network-manager ,@vpn-plugins)))))
(service-type
(name 'network-manager)
(extensions
(list (service-extension shepherd-root-service-type
network-manager-shepherd-service)
(service-extension dbus-root-service-type config->packages)
(service-extension polkit-service-type
(compose
list
network-manager-configuration-network-manager))
(service-extension account-service-type
network-manager-accounts)
(service-extension activation-service-type
network-manager-activation)
(service-extension session-environment-service-type
network-manager-environment)
;; Add network-manager to the system profile.
(service-extension profile-service-type config->packages)))
(default-value (network-manager-configuration))
(description
"Run @uref{https://wiki.gnome.org/Projects/NetworkManager,
NetworkManager}, a network management daemon that aims to simplify wired and
wireless networking."))))
;;;
;;; Connman
;;;
(define-record-type* <connman-configuration>
connman-configuration make-connman-configuration
connman-configuration?
(connman connman-configuration-connman
(default connman))
(disable-vpn? connman-configuration-disable-vpn?
(default #f)))
(define (connman-activation config)
(let ((disable-vpn? (connman-configuration-disable-vpn? config)))
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir-p "/var/lib/connman/")
(unless #$disable-vpn?
(mkdir-p "/var/lib/connman-vpn/"))))))
(define (connman-shepherd-service config)
"Return a shepherd service for Connman"
(and
(connman-configuration? config)
(let ((connman (connman-configuration-connman config))
(disable-vpn? (connman-configuration-disable-vpn? config)))
(list (shepherd-service
(documentation "Run Connman")
(provision '(networking))
(requirement
'(user-processes dbus-system loopback wpa-supplicant))
(start #~(make-forkexec-constructor
(list (string-append #$connman
"/sbin/connmand")
"--nodaemon"
"--nodnsproxy"
#$@(if disable-vpn? '("--noplugin=vpn") '()))
;; As connman(8) notes, when passing '-n', connman
;; "directs log output to the controlling terminal in
;; addition to syslog." Redirect stdout and stderr
;; to avoid spamming the console (XXX: for some reason
;; redirecting to /dev/null doesn't work.)
#:log-file "/var/log/connman.log"))
(stop #~(make-kill-destructor)))))))
(define connman-service-type
(let ((connman-package (compose list connman-configuration-connman)))
(service-type (name 'connman)
(extensions
(list (service-extension shepherd-root-service-type
connman-shepherd-service)
(service-extension polkit-service-type
connman-package)
(service-extension dbus-root-service-type
connman-package)
(service-extension activation-service-type
connman-activation)
;; Add connman to the system profile.
(service-extension profile-service-type
connman-package)))
(default-value (connman-configuration))
(description
"Run @url{https://01.org/connman,Connman},
a network connection manager."))))
;;;
;;; Modem manager
;;;
(define modem-manager-service-type
(let ((config->package
(match-lambda
(($ <modem-manager-configuration> modem-manager)
(list modem-manager)))))
(service-type (name 'modem-manager)
(extensions
(list (service-extension dbus-root-service-type
config->package)
(service-extension udev-service-type
config->package)
(service-extension polkit-service-type
config->package)))
(default-value (modem-manager-configuration))
(description
"Run @uref{https://wiki.gnome.org/Projects/ModemManager,
ModemManager}, a modem management daemon that aims to simplify dialup
networking."))))
;;;
;;; USB_ModeSwitch
;;;
(define-record-type* <usb-modeswitch-configuration>
usb-modeswitch-configuration make-usb-modeswitch-configuration
usb-modeswitch-configuration?
(usb-modeswitch usb-modeswitch-configuration-usb-modeswitch
(default usb-modeswitch))
(usb-modeswitch-data usb-modeswitch-configuration-usb-modeswitch-data
(default usb-modeswitch-data))
(config-file usb-modeswitch-configuration-config-file
(default #~(string-append #$usb-modeswitch:dispatcher
"/etc/usb_modeswitch.conf"))))
(define (usb-modeswitch-sh usb-modeswitch config-file)
"Build a copy of usb_modeswitch.sh located in package USB-MODESWITCH,
modified to pass the CONFIG-FILE in its calls to usb_modeswitch_dispatcher,
and wrap it to actually find the dispatcher in USB-MODESWITCH. The script
will be run by USB_ModeSwitch’s udev rules file when a modeswitchable USB
device is detected."
(computed-file
"usb_modeswitch-sh"
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(let ((cfg-param
#$(if config-file
#~(string-append " --config-file=" #$config-file)
"")))
(mkdir #$output)
(install-file (string-append #$usb-modeswitch:dispatcher
"/lib/udev/usb_modeswitch")
#$output)
;; insert CFG-PARAM into usb_modeswitch_dispatcher command-lines
(substitute* (string-append #$output "/usb_modeswitch")
(("(exec usb_modeswitch_dispatcher .*)( 2>>)" _ left right)
(string-append left cfg-param right))
(("(exec usb_modeswitch_dispatcher .*)( &)" _ left right)
(string-append left cfg-param right)))
;; wrap-program needs bash in PATH:
(putenv (string-append "PATH=" #$bash "/bin"))
(wrap-program (string-append #$output "/usb_modeswitch")
`("PATH" ":" = (,(string-append #$coreutils "/bin")
,(string-append
#$usb-modeswitch:dispatcher
"/bin")))))))))
(define (usb-modeswitch-configuration->udev-rules config)
"Build a rules file for extending udev-service-type from the rules in the
usb-modeswitch package specified in CONFIG. The rules file will invoke
usb_modeswitch.sh from the usb-modeswitch package, modified to pass the right
config file."
(match config
(($ <usb-modeswitch-configuration> usb-modeswitch data config-file)
(computed-file
"usb_modeswitch.rules"
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(let ((in (string-append #$data "/udev/40-usb_modeswitch.rules"))
(out (string-append #$output "/lib/udev/rules.d"))
(script #$(usb-modeswitch-sh usb-modeswitch config-file)))
(mkdir-p out)
(chdir out)
(install-file in out)
(substitute* "40-usb_modeswitch.rules"
(("PROGRAM=\"usb_modeswitch")
(string-append "PROGRAM=\"" script "/usb_modeswitch"))
(("RUN\\+=\"usb_modeswitch")
(string-append "RUN+=\"" script "/usb_modeswitch"))))))))))
(define usb-modeswitch-service-type
(service-type
(name 'usb-modeswitch)
(extensions
(list
(service-extension
udev-service-type
(lambda (config)
(let ((rules (usb-modeswitch-configuration->udev-rules config)))
(list rules))))))
(default-value (usb-modeswitch-configuration))
(description "Run @uref{http://www.draisberghof.de/usb_modeswitch/,
USB_ModeSwitch}, a mode switching tool for controlling USB devices with
multiple @dfn{modes}. When plugged in for the first time many USB
devices (primarily high-speed WAN modems) act like a flash storage containing
installers for Windows drivers. USB_ModeSwitch replays the sequence the
Windows drivers would send to switch their mode from storage to modem (or
whatever the thing is supposed to do).")))
;;;
;;; WPA supplicant
;;;
(define-record-type* <wpa-supplicant-configuration>
wpa-supplicant-configuration make-wpa-supplicant-configuration
wpa-supplicant-configuration?
(wpa-supplicant wpa-supplicant-configuration-wpa-supplicant ;file-like
(default wpa-supplicant))
(requirement wpa-supplicant-configuration-requirement ;list of symbols
(default '(user-processes loopback syslogd)))
(pid-file wpa-supplicant-configuration-pid-file ;string
(default "/var/run/wpa_supplicant.pid"))
(dbus? wpa-supplicant-configuration-dbus? ;Boolean
(default #t))
(interface wpa-supplicant-configuration-interface ;#f | string
(default #f))
(config-file wpa-supplicant-configuration-config-file ;#f | <file-like>
(default #f))
(extra-options wpa-supplicant-configuration-extra-options ;list of strings
(default '())))
(define wpa-supplicant-shepherd-service
(match-lambda
(($ <wpa-supplicant-configuration> wpa-supplicant requirement pid-file dbus?
interface config-file extra-options)
(list (shepherd-service
(documentation "Run the WPA supplicant daemon")
(provision '(wpa-supplicant))
(requirement (if dbus?
(cons 'dbus-system requirement)
requirement))
(start #~(make-forkexec-constructor
(list (string-append #$wpa-supplicant
"/sbin/wpa_supplicant")
(string-append "-P" #$pid-file)
"-B" ;run in background
"-s" ;log to syslogd
#$@(if dbus?
#~("-u")
#~())
#$@(if interface
#~((string-append "-i" #$interface))
#~())
#$@(if config-file
#~((string-append "-c" #$config-file))
#~())
#$@extra-options)
#:pid-file #$pid-file))
(stop #~(make-kill-destructor)))))))
(define wpa-supplicant-service-type
(let ((config->package
(match-lambda
(($ <wpa-supplicant-configuration> wpa-supplicant)
(list wpa-supplicant)))))
(service-type (name 'wpa-supplicant)
(extensions
(list (service-extension shepherd-root-service-type
wpa-supplicant-shepherd-service)
(service-extension dbus-root-service-type config->package)
(service-extension profile-service-type config->package)))
(description "Run the WPA Supplicant daemon, a service that
implements authentication, key negotiation and more for wireless networks.")
(default-value (wpa-supplicant-configuration)))))
;;;
;;; Hostapd.
;;;
(define-record-type* <hostapd-configuration>
hostapd-configuration make-hostapd-configuration
hostapd-configuration?
(package hostapd-configuration-package
(default hostapd))
(interface hostapd-configuration-interface ;string
(default "wlan0"))
(ssid hostapd-configuration-ssid) ;string
(broadcast-ssid? hostapd-configuration-broadcast-ssid? ;Boolean
(default #t))
(channel hostapd-configuration-channel ;integer
(default 1))
(driver hostapd-configuration-driver ;string
(default "nl80211"))
;; See <https://w1.fi/cgit/hostap/plain/hostapd/hostapd.conf> for a list of
;; additional options we could add.
(extra-settings hostapd-configuration-extra-settings ;string
(default "")))
(define (hostapd-configuration-file config)
"Return the configuration file for CONFIG, a <hostapd-configuration>."
(match-record config <hostapd-configuration>
(interface ssid broadcast-ssid? channel driver extra-settings)
(plain-file "hostapd.conf"
(string-append "\
# Generated from your Guix configuration.
interface=" interface "
ssid=" ssid "
ignore_broadcast_ssid=" (if broadcast-ssid? "0" "1") "
channel=" (number->string channel) "\n"
extra-settings "\n"))))
(define* (hostapd-shepherd-services config #:key (requirement '()))
"Return Shepherd services for hostapd."
(list (shepherd-service
(provision '(hostapd))
(requirement `(user-processes ,@requirement))
(documentation "Run the hostapd WiFi access point daemon.")
(start #~(make-forkexec-constructor
(list #$(file-append (hostapd-configuration-package config)
"/sbin/hostapd")
#$(hostapd-configuration-file config))
#:log-file "/var/log/hostapd.log"))
(stop #~(make-kill-destructor)))))
(define hostapd-service-type
(service-type
(name 'hostapd)
(extensions
(list (service-extension shepherd-root-service-type
hostapd-shepherd-services)))
(description
"Run the @uref{https://w1.fi/hostapd/, hostapd} daemon for Wi-Fi access
points and authentication servers.")))
(define (simulated-wifi-shepherd-services config)
"Return Shepherd services to run hostapd with CONFIG, a
<hostapd-configuration>, as well as services to set up WiFi hardware
simulation."
(append (hostapd-shepherd-services config
#:requirement
'(unblocked-wifi
kernel-module-loader))
(list (shepherd-service
(provision '(unblocked-wifi))
(requirement '(file-systems kernel-module-loader))
(documentation
"Unblock WiFi devices for use by mac80211_hwsim.")
(start #~(lambda _
(invoke #$(file-append util-linux "/sbin/rfkill")
"unblock" "0")
(invoke #$(file-append util-linux "/sbin/rfkill")
"unblock" "1")))
(one-shot? #t)))))
(define simulated-wifi-service-type
(service-type
(name 'simulated-wifi)
(extensions
(list (service-extension shepherd-root-service-type
simulated-wifi-shepherd-services)
(service-extension kernel-module-loader-service-type
(const '("mac80211_hwsim")))))
(default-value (hostapd-configuration
(interface "wlan1")
(ssid "Test Network")))
(description "Run hostapd to simulate WiFi connectivity.")))
;;;
;;; Open vSwitch
;;;
(define-record-type* <openvswitch-configuration>
openvswitch-configuration make-openvswitch-configuration
openvswitch-configuration?
(package openvswitch-configuration-package
(default openvswitch)))
(define openvswitch-activation
(match-lambda
(($ <openvswitch-configuration> package)
(let ((ovsdb-tool (file-append package "/bin/ovsdb-tool")))
(with-imported-modules '((guix build utils))
#~(begin
(use-modules (guix build utils))
(mkdir-p "/var/run/openvswitch")
(mkdir-p "/var/lib/openvswitch")
(let ((conf.db "/var/lib/openvswitch/conf.db"))
(unless (file-exists? conf.db)
(system* #$ovsdb-tool "create" conf.db)))))))))
(define openvswitch-shepherd-service
(match-lambda
(($ <openvswitch-configuration> package)
(let ((ovsdb-server (file-append package "/sbin/ovsdb-server"))
(ovs-vswitchd (file-append package "/sbin/ovs-vswitchd")))
(list
(shepherd-service
(provision '(ovsdb))
(documentation "Run the Open vSwitch database server.")
(start #~(make-forkexec-constructor
(list #$ovsdb-server "--pidfile"
"--remote=punix:/var/run/openvswitch/db.sock")
#:pid-file "/var/run/openvswitch/ovsdb-server.pid"))
(stop #~(make-kill-destructor)))
(shepherd-service
(provision '(vswitchd))
(requirement '(ovsdb))
(documentation "Run the Open vSwitch daemon.")
(start #~(make-forkexec-constructor
(list #$ovs-vswitchd "--pidfile")
#:pid-file "/var/run/openvswitch/ovs-vswitchd.pid"))
(stop #~(make-kill-destructor))))))))
(define openvswitch-service-type
(service-type
(name 'openvswitch)
(extensions
(list (service-extension activation-service-type
openvswitch-activation)
(service-extension profile-service-type
(compose list openvswitch-configuration-package))
(service-extension shepherd-root-service-type
openvswitch-shepherd-service)))
(description
"Run @uref{http://www.openvswitch.org, Open vSwitch}, a multilayer virtual
switch designed to enable massive network automation through programmatic
extension.")
(default-value (openvswitch-configuration))))
;;;
;;; iptables
;;;
(define %iptables-accept-all-rules
(plain-file "iptables-accept-all.rules"
"*filter
:INPUT ACCEPT
:FORWARD ACCEPT
:OUTPUT ACCEPT
COMMIT
"))
(define-record-type* <iptables-configuration>
iptables-configuration make-iptables-configuration iptables-configuration?
(iptables iptables-configuration-iptables
(default iptables))
(ipv4-rules iptables-configuration-ipv4-rules
(default %iptables-accept-all-rules))
(ipv6-rules iptables-configuration-ipv6-rules
(default %iptables-accept-all-rules)))
(define iptables-shepherd-service
(match-lambda
(($ <iptables-configuration> iptables ipv4-rules ipv6-rules)
(let ((iptables-restore (file-append iptables "/sbin/iptables-restore"))
(ip6tables-restore (file-append iptables "/sbin/ip6tables-restore")))
(shepherd-service
(documentation "Packet filtering framework")
(provision '(iptables))
(start #~(lambda _
(invoke #$iptables-restore #$ipv4-rules)
(invoke #$ip6tables-restore #$ipv6-rules)))
(stop #~(lambda _
(invoke #$iptables-restore #$%iptables-accept-all-rules)
(invoke #$ip6tables-restore #$%iptables-accept-all-rules))))))))
(define iptables-service-type
(service-type
(name 'iptables)
(description
"Run @command{iptables-restore}, setting up the specified rules.")
(extensions
(list (service-extension shepherd-root-service-type
(compose list iptables-shepherd-service))))))
;;;
;;; nftables
;;;
(define %default-nftables-ruleset
(plain-file "nftables.conf"
"# A simple and safe firewall
table inet filter {
chain input {
type filter hook input priority 0; policy drop;
# early drop of invalid connections
ct state invalid drop
# allow established/related connections
ct state { established, related } accept
# allow from loopback
iifname lo accept
# allow icmp
ip protocol icmp accept
ip6 nexthdr icmpv6 accept
# allow ssh
tcp dport ssh accept
# reject everything else
reject with icmpx type port-unreachable
}
chain forward {
type filter hook forward priority 0; policy drop;
}
chain output {
type filter hook output priority 0; policy accept;
}
}
"))
(define-record-type* <nftables-configuration>
nftables-configuration
make-nftables-configuration
nftables-configuration?
(package nftables-configuration-package
(default nftables))
(ruleset nftables-configuration-ruleset ; file-like object
(default %default-nftables-ruleset)))
(define nftables-shepherd-service
(match-lambda
(($ <nftables-configuration> package ruleset)
(let ((nft (file-append package "/sbin/nft")))
(shepherd-service
(documentation "Packet filtering and classification")
(provision '(nftables))
(start #~(lambda _
(invoke #$nft "--file" #$ruleset)))
(stop #~(lambda _
(invoke #$nft "flush" "ruleset"))))))))
(define nftables-service-type
(service-type
(name 'nftables)
(description
"Run @command{nft}, setting up the specified ruleset.")
(extensions
(list (service-extension shepherd-root-service-type
(compose list nftables-shepherd-service))
(service-extension profile-service-type
(compose list nftables-configuration-package))))
(default-value (nftables-configuration))))
;;;
;;; PageKite
;;;
(define-record-type* <pagekite-configuration>
pagekite-configuration
make-pagekite-configuration
pagekite-configuration?
(package pagekite-configuration-package
(default pagekite))
(kitename pagekite-configuration-kitename
(default #f))
(kitesecret pagekite-configuration-kitesecret
(default #f))
(frontend pagekite-configuration-frontend
(default #f))
(kites pagekite-configuration-kites
(default '("http:@kitename:localhost:80:@kitesecret")))
(extra-file pagekite-configuration-extra-file
(default #f)))
(define (pagekite-configuration-file config)
(match-record config <pagekite-configuration>
(package kitename kitesecret frontend kites extra-file)
(mixed-text-file "pagekite.rc"
(if extra-file
(string-append "optfile = " extra-file "\n")
"")
(if kitename
(string-append "kitename = " kitename "\n")
"")
(if kitesecret
(string-append "kitesecret = " kitesecret "\n")
"")
(if frontend
(string-append "frontend = " frontend "\n")
"defaults\n")
(string-join (map (lambda (kite)
(string-append "service_on = " kite))
kites)
"\n"
'suffix))))
(define (pagekite-shepherd-service config)
(match-record config <pagekite-configuration>
(package kitename kitesecret frontend kites extra-file)
(with-imported-modules (source-module-closure
'((gnu build shepherd)
(gnu system file-systems)))
(shepherd-service
(documentation "Run the PageKite service.")
(provision '(pagekite))
(requirement '(networking))
(modules '((gnu build shepherd)
(gnu system file-systems)))
(start #~(make-forkexec-constructor/container
(list #$(file-append package "/bin/pagekite")
"--clean"
"--nullui"
"--nocrashreport"
"--runas=pagekite:pagekite"
(string-append "--optfile="
#$(pagekite-configuration-file config)))
#:log-file "/var/log/pagekite.log"
#:mappings #$(if extra-file
#~(list (file-system-mapping
(source #$extra-file)
(target source)))
#~'())))
;; SIGTERM doesn't always work for some reason.
(stop #~(make-kill-destructor SIGINT))))))
(define %pagekite-accounts
(list (user-group (name "pagekite") (system? #t))
(user-account
(name "pagekite")
(group "pagekite")
(system? #t)
(comment "PageKite user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define pagekite-service-type
(service-type
(name 'pagekite)
(default-value (pagekite-configuration))
(extensions
(list (service-extension shepherd-root-service-type
(compose list pagekite-shepherd-service))
(service-extension account-service-type
(const %pagekite-accounts))))
(description
"Run @url{https://pagekite.net/,PageKite}, a tunneling solution to make
local servers publicly accessible on the web, even behind NATs and firewalls.")))
;;;
;;; Yggdrasil
;;;
(define-record-type* <yggdrasil-configuration>
yggdrasil-configuration
make-yggdrasil-configuration
yggdrasil-configuration?
(package yggdrasil-configuration-package
(default yggdrasil))
(json-config yggdrasil-configuration-json-config
(default '()))
(config-file yggdrasil-config-file
(default "/etc/yggdrasil-private.conf"))
(autoconf? yggdrasil-configuration-autoconf?
(default #f))
(log-level yggdrasil-configuration-log-level
(default 'info))
(log-to yggdrasil-configuration-log-to
(default 'stdout)))
(define (yggdrasil-configuration-file config)
(define (scm->yggdrasil-json x)
(define key-value?
dotted-list?)
(define (param->camel str)
(string-concatenate
(map
string-capitalize
(string-split str (cut eqv? <> #\-)))))
(cond
((key-value? x)
(let ((k (car x))
(v (cdr x)))
(cons
(if (symbol? k)
(param->camel (symbol->string k))
k)
v)))
((list? x) (map scm->yggdrasil-json x))
((vector? x) (vector-map scm->yggdrasil-json x))
(else x)))
(computed-file
"yggdrasil.conf"
#~(call-with-output-file #$output
(lambda (port)
;; it's HJSON, so comments are a-okay
(display "# Generated by yggdrasil-service\n" port)
(display #$(scm->json-string
(scm->yggdrasil-json
(yggdrasil-configuration-json-config config)))
port)))))
(define (yggdrasil-shepherd-service config)
"Return a <shepherd-service> for yggdrasil with CONFIG."
(define yggdrasil-command
#~(append
(list (string-append
#$(yggdrasil-configuration-package config)
"/bin/yggdrasil")
"-useconffile"
#$(yggdrasil-configuration-file config))
(if #$(yggdrasil-configuration-autoconf? config)
'("-autoconf")
'())
(let ((extraconf #$(yggdrasil-config-file config)))
(if extraconf
(list "-extraconffile" extraconf)
'()))
(list "-loglevel"
#$(symbol->string
(yggdrasil-configuration-log-level config))
"-logto"
#$(symbol->string
(yggdrasil-configuration-log-to config)))))
(list (shepherd-service
(documentation "Connect to the Yggdrasil mesh network")
(provision '(yggdrasil))
(requirement '(networking))
(start #~(make-forkexec-constructor
#$yggdrasil-command
#:log-file "/var/log/yggdrasil.log"
#:group "yggdrasil"))
(stop #~(make-kill-destructor)))))
(define %yggdrasil-accounts
(list (user-group (name "yggdrasil") (system? #t))))
(define yggdrasil-service-type
(service-type
(name 'yggdrasil)
(description
"Connect to the Yggdrasil mesh network.
See yggdrasil -genconf for config options.")
(extensions
(list (service-extension shepherd-root-service-type
yggdrasil-shepherd-service)
(service-extension account-service-type
(const %yggdrasil-accounts))
(service-extension profile-service-type
(compose list yggdrasil-configuration-package))))))
;;;
;;; IPFS
;;;
(define-record-type* <ipfs-configuration>
ipfs-configuration
make-ipfs-configuration
ipfs-configuration?
(package ipfs-configuration-package
(default go-ipfs))
(gateway ipfs-configuration-gateway
(default "/ip4/127.0.0.1/tcp/8082"))
(api ipfs-configuration-api
(default "/ip4/127.0.0.1/tcp/5001")))
(define %ipfs-home "/var/lib/ipfs")
(define %ipfs-accounts
(list (user-account
(name "ipfs")
(group "ipfs")
(system? #t)
(comment "IPFS daemon user")
(home-directory "/var/lib/ipfs")
(shell (file-append shadow "/sbin/nologin")))
(user-group
(name "ipfs")
(system? #t))))
(define (ipfs-binary config)
(file-append (ipfs-configuration-package config) "/bin/ipfs"))
(define %ipfs-home-mapping
#~(file-system-mapping
(source #$%ipfs-home)
(target #$%ipfs-home)
(writable? #t)))
(define %ipfs-environment
#~(list #$(string-append "HOME=" %ipfs-home)))
(define (ipfs-shepherd-service config)
"Return a <shepherd-service> for IPFS with CONFIG."
(define ipfs-daemon-command
#~(list #$(ipfs-binary config) "daemon"))
(list
(with-imported-modules (source-module-closure
'((gnu build shepherd)
(gnu system file-systems)))
(shepherd-service
(provision '(ipfs))
;; While IPFS is most useful when the machine is connected
;; to the network, only loopback is required for starting
;; the service.
(requirement '(loopback))
(documentation "Connect to the IPFS network")
(modules '((gnu build shepherd)
(gnu system file-systems)))
(start #~(make-forkexec-constructor/container
#$ipfs-daemon-command
#:namespaces '#$(fold delq %namespaces '(user net))
#:mappings (list #$%ipfs-home-mapping)
#:log-file "/var/log/ipfs.log"
#:user "ipfs"
#:group "ipfs"
#:environment-variables #$%ipfs-environment))
(stop #~(make-kill-destructor))))))
(define (%ipfs-activation config)
"Return an activation gexp for IPFS with CONFIG"
(define (ipfs-config-command setting value)
#~(#$(ipfs-binary config) "config" #$setting #$value))
(define (set-config!-gexp setting value)
#~(system* #$@(ipfs-config-command setting value)))
(define settings
`(("Addresses.API" ,(ipfs-configuration-api config))
("Addresses.Gateway" ,(ipfs-configuration-gateway config))))
(define inner-gexp
#~(begin
(umask #o077)
;; Create $HOME/.ipfs structure
(system* #$(ipfs-binary config) "init")
;; Apply settings
#$@(map (cute apply set-config!-gexp <>) settings)))
(define inner-script
(program-file "ipfs-activation-inner" inner-gexp))
;; Run ipfs init and ipfs config from a container,
;; in case the IPFS daemon was compromised at some point
;; and ~/.ipfs is now a symlink to somewhere outside
;; %ipfs-home.
(define container-gexp
(with-extensions (list shepherd)
(with-imported-modules (source-module-closure
'((gnu build shepherd)
(gnu system file-systems)))
#~(begin
(use-modules (gnu build shepherd)
(gnu system file-systems))
(let* ((constructor
(make-forkexec-constructor/container
(list #$inner-script)
#:namespaces '#$(fold delq %namespaces '(user))
#:mappings (list #$%ipfs-home-mapping)
#:user "ipfs"
#:group "ipfs"
#:environment-variables #$%ipfs-environment))
(pid (constructor)))
(waitpid pid))))))
;; The activation may happen from the initrd, which uses
;; a statically-linked guile, while the guix container
;; procedures require a working dynamic-link.
(define container-script
(program-file "ipfs-activation-container" container-gexp))
#~(system* #$container-script))
(define ipfs-service-type
(service-type
(name 'ipfs)
(extensions
(list (service-extension account-service-type
(const %ipfs-accounts))
(service-extension activation-service-type
%ipfs-activation)
(service-extension shepherd-root-service-type
ipfs-shepherd-service)))
(default-value (ipfs-configuration))
(description
"Run @command{ipfs daemon}, the reference implementation
of the IPFS peer-to-peer storage network.")))
;;;
;;; Keepalived
;;;
(define-record-type* <keepalived-configuration>
keepalived-configuration make-keepalived-configuration
keepalived-configuration?
(keepalived keepalived-configuration-keepalived ;file-like
(default keepalived))
(config-file keepalived-configuration-config-file ;file-like
(default #f)))
(define keepalived-shepherd-service
(match-lambda
(($ <keepalived-configuration> keepalived config-file)
(list
(shepherd-service
(provision '(keepalived))
(documentation "Run keepalived.")
(requirement '(loopback))
(start #~(make-forkexec-constructor
(list (string-append #$keepalived "/sbin/keepalived")
"--dont-fork" "--log-console" "--log-detail"
"--pid=/var/run/keepalived.pid"
(string-append "--use-file=" #$config-file))
#:pid-file "/var/run/keepalived.pid"
#:log-file "/var/log/keepalived.log"))
(respawn? #f)
(stop #~(make-kill-destructor)))))))
(define keepalived-service-type
(service-type (name 'keepalived)
(extensions (list (service-extension shepherd-root-service-type
keepalived-shepherd-service)))
(description
"Run @uref{https://www.keepalived.org/, Keepalived}
routing software.")))
;;; networking.scm ends here
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