;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès ;;; Copyright © 2015, 2016 Alex Kost ;;; Copyright © 2015, 2016, 2020 Mark H Weaver ;;; Copyright © 2015 Sou Bunnbu ;;; Copyright © 2016, 2017 Leo Famulari ;;; Copyright © 2016 David Craven ;;; Copyright © 2016 Ricardo Wurmus ;;; Copyright © 2018 Mathieu Othacehe ;;; Copyright © 2019 Efraim Flashner ;;; Copyright © 2019 Tobias Geerinckx-Rice ;;; Copyright © 2019 John Soo ;;; Copyright © 2019 Jan (janneke) Nieuwenhuizen ;;; Copyright © 2020 Florian Pelz ;;; Copyright © 2020, 2021 Brice Waegeneire ;;; Copyright © 2021 qblade ;;; Copyright © 2021 Hui Lu ;;; Copyright © 2021 Maxim Cournoyer ;;; ;;; 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 . (define-module (gnu services base) #:use-module (guix store) #:use-module (guix deprecation) #:use-module (gnu services) #:use-module (gnu services admin) #:use-module (gnu services shepherd) #:use-module (gnu services sysctl) #:use-module (gnu system pam) #:use-module (gnu system shadow) ; 'user-account', etc. #:use-module (gnu system uuid) #:use-module (gnu system file-systems) ; 'file-system', etc. #:use-module (gnu system keyboard) #:use-module (gnu system mapped-devices) #:use-module ((gnu system linux-initrd) #:select (file-system-packages)) #:use-module (gnu packages admin) #:use-module ((gnu packages linux) #:select (alsa-utils crda eudev e2fsprogs fuse gpm kbd lvm2 rng-tools)) #:use-module (gnu packages bash) #:use-module ((gnu packages base) #:select (coreutils glibc glibc-utf8-locales)) #:use-module (gnu packages package-management) #:use-module ((gnu packages gnupg) #:select (guile-gcrypt)) #:use-module (gnu packages linux) #:use-module (gnu packages terminals) #:use-module ((gnu build file-systems) #:select (mount-flags->bit-mask swap-space->flags-bit-mask)) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix modules) #:use-module ((guix self) #:select (make-config.scm)) #:use-module (guix diagnostics) #:use-module (guix i18n) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:use-module (ice-9 format) #:re-export (user-processes-service-type ;backwards compatibility %default-substitute-urls) #:export (fstab-service-type root-file-system-service file-system-service-type swap-service host-name-service %default-console-font console-font-service-type console-font-service virtual-terminal-service-type static-networking static-networking? static-networking-interface static-networking-ip static-networking-netmask static-networking-gateway static-networking-requirement static-networking-service static-networking-service-type udev-configuration udev-configuration? udev-configuration-rules udev-service-type udev-service udev-rule file->udev-rule udev-rules-service login-configuration login-configuration? login-service-type login-service agetty-configuration agetty-configuration? agetty-service agetty-service-type mingetty-configuration mingetty-configuration-tty mingetty-configuration-auto-login mingetty-configuration-login-program mingetty-configuration-login-pause? mingetty-configuration-clear-on-logout? mingetty-configuration-mingetty mingetty-configuration? mingetty-service mingetty-service-type %nscd-default-caches %nscd-default-configuration nscd-configuration nscd-configuration? nscd-cache nscd-cache? nscd-service-type nscd-service syslog-configuration syslog-configuration? syslog-service syslog-service-type %default-syslog.conf %default-authorized-guix-keys guix-configuration guix-configuration? guix-configuration-guix guix-configuration-build-group guix-configuration-build-accounts guix-configuration-authorize-key? guix-configuration-authorized-keys guix-configuration-use-substitutes? guix-configuration-substitute-urls guix-configuration-extra-options guix-configuration-log-file guix-service-type guix-publish-configuration guix-publish-configuration? guix-publish-configuration-guix guix-publish-configuration-port guix-publish-configuration-host guix-publish-configuration-compression guix-publish-configuration-compression-level ;deprecated guix-publish-configuration-nar-path guix-publish-configuration-cache guix-publish-configuration-ttl guix-publish-service-type gpm-configuration gpm-configuration? gpm-service-type urandom-seed-service-type rngd-configuration rngd-configuration? rngd-service-type rngd-service kmscon-configuration kmscon-configuration? kmscon-service-type pam-limits-service-type pam-limits-service references-file %base-services)) ;;; Commentary: ;;; ;;; Base system services---i.e., services that 99% of the users will want to ;;; use. ;;; ;;; Code: ;;; ;;; File systems. ;;; (define (file-system->fstab-entry file-system) "Return a @file{/etc/fstab} entry for @var{file-system}." (string-append (match (file-system-device file-system) ((? file-system-label? label) (string-append "LABEL=" (file-system-label->string label))) ((? uuid? uuid) (string-append "UUID=" (uuid->string uuid))) ((? string? device) device)) "\t" (file-system-mount-point file-system) "\t" (file-system-type file-system) "\t" (or (file-system-options file-system) "defaults") "\t" ;; XXX: Omit the 'fs_freq' and 'fs_passno' fields because we ;; don't have anything sensible to put in there. )) (define (file-systems->fstab file-systems) "Return a @file{/etc} entry for an @file{fstab} describing @var{file-systems}." `(("fstab" ,(plain-file "fstab" (string-append "\ # This file was generated from your Guix configuration. Any changes # will be lost upon reboot or reconfiguration.\n\n" (string-join (map file-system->fstab-entry file-systems) "\n") "\n"))))) (define fstab-service-type ;; The /etc/fstab service. (service-type (name 'fstab) (extensions (list (service-extension etc-service-type file-systems->fstab))) (compose concatenate) (extend append) (description "Populate the @file{/etc/fstab} based on the given file system objects."))) (define %root-file-system-shepherd-service (shepherd-service (documentation "Take care of the root file system.") (provision '(root-file-system)) (start #~(const #t)) (stop #~(lambda _ ;; Return #f if successfully stopped. (sync) (call-with-blocked-asyncs (lambda () (let ((null (%make-void-port "w"))) ;; Close 'shepherd.log'. (display "closing log\n") ((@ (shepherd comm) stop-logging)) ;; Redirect the default output ports.. (set-current-output-port null) (set-current-error-port null) ;; Close /dev/console. (for-each close-fdes '(0 1 2)) ;; At this point, there are no open files left, so the ;; root file system can be re-mounted read-only. (mount #f "/" #f (logior MS_REMOUNT MS_RDONLY) #:update-mtab? #f) #f))))) (respawn? #f))) (define root-file-system-service-type (shepherd-service-type 'root-file-system (const %root-file-system-shepherd-service) (description "Take care of syncing the root file system and of remounting it read-only when the system shuts down."))) (define (root-file-system-service) "Return a service whose sole purpose is to re-mount read-only the root file system upon shutdown (aka. cleanly \"umounting\" root.) This service must be the root of the service dependency graph so that its 'stop' action is invoked when shepherd is the only process left." (service root-file-system-service-type #f)) (define (file-system->shepherd-service-name file-system) "Return the symbol that denotes the service mounting and unmounting FILE-SYSTEM." (symbol-append 'file-system- (string->symbol (file-system-mount-point file-system)))) (define (mapped-device->shepherd-service-name md) "Return the symbol that denotes the shepherd service of MD, a ." (symbol-append 'device-mapping- (string->symbol (string-join (mapped-device-targets md) "-")))) (define dependency->shepherd-service-name (match-lambda ((? mapped-device? md) (mapped-device->shepherd-service-name md)) ((? file-system? fs) (file-system->shepherd-service-name fs)))) (define (file-system-shepherd-service file-system) "Return the shepherd service for @var{file-system}, or @code{#f} if @var{file-system} is not auto-mounted or doesn't have its mount point created upon boot." (let ((target (file-system-mount-point file-system)) (create? (file-system-create-mount-point? file-system)) (mount? (file-system-mount? file-system)) (dependencies (file-system-dependencies file-system)) (packages (file-system-packages (list file-system)))) (and (or mount? create?) (with-imported-modules (source-module-closure '((gnu build file-systems))) (shepherd-service (provision (list (file-system->shepherd-service-name file-system))) (requirement `(root-file-system udev ,@(map dependency->shepherd-service-name dependencies))) (documentation "Check, mount, and unmount the given file system.") (start #~(lambda args #$(if create? #~(mkdir-p #$target) #t) #$(if mount? #~(let (($PATH (getenv "PATH"))) ;; Make sure fsck.ext2 & co. can be found. (dynamic-wind (lambda () ;; Don’t display the PATH settings. (with-output-to-port (%make-void-port "w") (lambda () (set-path-environment-variable "PATH" '("bin" "sbin") '#$packages)))) (lambda () (mount-file-system (spec->file-system '#$(file-system->spec file-system)) #:root "/")) (lambda () (setenv "PATH" $PATH)))) #t) #t)) (stop #~(lambda args ;; Normally there are no processes left at this point, so ;; TARGET can be safely unmounted. ;; Make sure PID 1 doesn't keep TARGET busy. (chdir "/") (umount #$target) #f)) ;; We need additional modules. (modules `(((gnu build file-systems) #:select (mount-file-system)) (gnu system file-systems) ,@%default-modules))))))) (define (file-system-shepherd-services file-systems) "Return the list of Shepherd services for FILE-SYSTEMS." (let* ((file-systems (filter (lambda (x) (or (file-system-mount? x) (file-system-create-mount-point? x))) file-systems))) (define sink (shepherd-service (provision '(file-systems)) (requirement (cons* 'root-file-system 'user-file-systems (map file-system->shepherd-service-name file-systems))) (documentation "Target for all the initially-mounted file systems") (start #~(const #t)) (stop #~(const #f)))) (define known-mount-points (map file-system-mount-point file-systems)) (define user-unmount (shepherd-service (documentation "Unmount manually-mounted file systems.") (provision '(user-file-systems)) (start #~(const #t)) (stop #~(lambda args (define (known? mount-point) (member mount-point (cons* "/proc" "/sys" '#$known-mount-points))) ;; Make sure we don't keep the user's mount points busy. (chdir "/") (for-each (lambda (mount-point) (format #t "unmounting '~a'...~%" mount-point) (catch 'system-error (lambda () (umount mount-point)) (lambda args (let ((errno (system-error-errno args))) (format #t "failed to unmount '~a': ~a~%" mount-point (strerror errno)))))) (filter (negate known?) (mount-points))) #f)))) (cons* sink user-unmount (map file-system-shepherd-service file-systems)))) (define (file-system-fstab-entries file-systems) "Return the subset of @var{file-systems} that should have an entry in @file{/etc/fstab}." ;; /etc/fstab is about telling fsck(8), mount(8), and umount(8) about ;; relevant file systems they'll have to deal with. That excludes "pseudo" ;; file systems. ;; ;; In particular, things like GIO (part of GLib) use it to determine the set ;; of mounts, which is then used by graphical file managers and desktop ;; environments to display "volume" icons. Thus, we really need to exclude ;; those pseudo file systems from the list. (remove (lambda (file-system) (or (member (file-system-type file-system) %pseudo-file-system-types) (memq 'bind-mount (file-system-flags file-system)))) file-systems)) (define file-system-service-type (service-type (name 'file-systems) (extensions (list (service-extension shepherd-root-service-type file-system-shepherd-services) (service-extension fstab-service-type file-system-fstab-entries) ;; Have 'user-processes' depend on 'file-systems'. (service-extension user-processes-service-type (const '(file-systems))))) (compose concatenate) (extend append) (description "Provide Shepherd services to mount and unmount the given file systems, as well as corresponding @file{/etc/fstab} entries."))) ;;; ;;; Preserve entropy to seed /dev/urandom on boot. ;;; (define %random-seed-file "/var/lib/random-seed") (define (urandom-seed-shepherd-service _) "Return a shepherd service for the /dev/urandom seed." (list (shepherd-service (documentation "Preserve entropy across reboots for /dev/urandom.") (provision '(urandom-seed)) ;; Depend on udev so that /dev/hwrng is available. (requirement '(file-systems udev)) (start #~(lambda _ ;; On boot, write random seed into /dev/urandom. (when (file-exists? #$%random-seed-file) (call-with-input-file #$%random-seed-file (lambda (seed) (call-with-output-file "/dev/urandom" (lambda (urandom) (dump-port seed urandom) ;; Writing SEED to URANDOM isn't enough: we must ;; also tell the kernel to account for these ;; extra bits of entropy. (let ((bits (* 8 (stat:size (stat seed))))) (add-to-entropy-count urandom bits))))))) ;; Try writing from /dev/hwrng into /dev/urandom. ;; It seems that the file /dev/hwrng always exists, even ;; when there is no hardware random number generator ;; available. So, we handle a failed read or any other error ;; reported by the operating system. (let ((buf (catch 'system-error (lambda () (call-with-input-file "/dev/hwrng" (lambda (hwrng) (get-bytevector-n hwrng 512)))) ;; Silence is golden... (const #f)))) (when buf (call-with-output-file "/dev/urandom" (lambda (urandom) (put-bytevector urandom buf) (let ((bits (* 8 (bytevector-length buf)))) (add-to-entropy-count urandom bits)))))) ;; Immediately refresh the seed in case the system doesn't ;; shut down cleanly. (call-with-input-file "/dev/urandom" (lambda (urandom) (let ((previous-umask (umask #o077)) (buf (make-bytevector 512))) (mkdir-p (dirname #$%random-seed-file)) (get-bytevector-n! urandom buf 0 512) (call-with-output-file #$%random-seed-file (lambda (seed) (put-bytevector seed buf))) (umask previous-umask)))) #t)) (stop #~(lambda _ ;; During shutdown, write from /dev/urandom into random seed. (let ((buf (make-bytevector 512))) (call-with-input-file "/dev/urandom" (lambda (urandom) (let ((previous-umask (umask #o077))) (get-bytevector-n! urandom buf 0 512) (mkdir-p (dirname #$%random-seed-file)) (call-with-output-file #$%random-seed-file (lambda (seed) (put-bytevector seed buf))) (umask previous-umask)) #t))))) (modules `((rnrs bytevectors) (rnrs io ports) ,@%default-modules))))) (define urandom-seed-service-type (service-type (name 'urandom-seed) (extensions (list (service-extension shepherd-root-service-type urandom-seed-shepherd-service) ;; Have 'user-processes' depend on 'urandom-seed'. ;; This ensures that user processes and daemons don't ;; start until we have seeded the PRNG. (service-extension user-processes-service-type (const '(urandom-seed))))) (default-value #f) (description "Seed the @file{/dev/urandom} pseudo-random number generator (RNG) with the value recorded when the system was last shut down."))) ;;; ;;; Add hardware random number generator to entropy pool. ;;; (define-record-type* rngd-configuration make-rngd-configuration rngd-configuration? (rng-tools rngd-configuration-rng-tools) ;file-like (device rngd-configuration-device)) ;string (define rngd-service-type (shepherd-service-type 'rngd (lambda (config) (define rng-tools (rngd-configuration-rng-tools config)) (define device (rngd-configuration-device config)) (define rngd-command (list (file-append rng-tools "/sbin/rngd") "-f" "-r" device)) (shepherd-service (documentation "Add TRNG to entropy pool.") (requirement '(udev)) (provision '(trng)) (start #~(make-forkexec-constructor '#$rngd-command)) (stop #~(make-kill-destructor)))) (description "Run the @command{rngd} random number generation daemon to supply entropy to the kernel's pool."))) (define* (rngd-service #:key (rng-tools rng-tools) (device "/dev/hwrng")) "Return a service that runs the @command{rngd} program from @var{rng-tools} to add @var{device} to the kernel's entropy pool. The service will fail if @var{device} does not exist." (service rngd-service-type (rngd-configuration (rng-tools rng-tools) (device device)))) ;;; ;;; Console & co. ;;; (define host-name-service-type (shepherd-service-type 'host-name (lambda (name) (shepherd-service (documentation "Initialize the machine's host name.") (provision '(host-name)) (start #~(lambda _ (sethostname #$name))) (one-shot? #t))) (description "Initialize the machine's host name."))) (define (host-name-service name) "Return a service that sets the host name to @var{name}." (service host-name-service-type name)) (define virtual-terminal-service-type ;; Ensure that virtual terminals run in UTF-8 mode. This is the case by ;; default with recent Linux kernels, but this service allows us to ensure ;; this. This service must start before any 'term-' service so that newly ;; created terminals inherit this property. See ;; for a discussion. (shepherd-service-type 'virtual-terminal (lambda (utf8?) (let ((knob "/sys/module/vt/parameters/default_utf8")) (shepherd-service (documentation "Set virtual terminals in UTF-8 module.") (provision '(virtual-terminal)) (requirement '(root-file-system)) (start #~(lambda _ ;; In containers /sys is read-only so don't insist on ;; writing to this file. (unless (= 1 (call-with-input-file #$knob read)) (call-with-output-file #$knob (lambda (port) (display 1 port)))) #t)) (stop #~(const #f))))) #t ;default to UTF-8 (description "Ensure the Linux virtual terminals run in UTF-8 mode."))) (define console-keymap-service-type (shepherd-service-type 'console-keymap (lambda (files) (shepherd-service (documentation (string-append "Load console keymap (loadkeys).")) (provision '(console-keymap)) (start #~(lambda _ (zero? (system* #$(file-append kbd "/bin/loadkeys") #$@files)))) (respawn? #f))) (description "@emph{This service is deprecated in favor of the @code{keyboard-layout} field of @code{operating-system}.} Load the given list of console keymaps with @command{loadkeys}."))) (define %default-console-font ;; Note: 'LatGrkCyr-8x16' has the advantage of providing three common ;; scripts as well as glyphs for em dash, quotation marks, and other Unicode ;; codepoints notably found in the UTF-8 manual. "LatGrkCyr-8x16") (define (console-font-shepherd-services tty+font) "Return a list of Shepherd services for each pair in TTY+FONT." (map (match-lambda ((tty . font) (let ((device (string-append "/dev/" tty))) (shepherd-service (documentation "Load a Unicode console font.") (provision (list (symbol-append 'console-font- (string->symbol tty)))) ;; Start after mingetty has been started on TTY, otherwise the settings ;; are ignored. (requirement (list (symbol-append 'term- (string->symbol tty)))) (start #~(lambda _ ;; It could be that mingetty is not fully ready yet, ;; which we check by calling 'ttyname'. (let loop ((i 10)) (unless (or (zero? i) (call-with-input-file #$device (lambda (port) (false-if-exception (ttyname port))))) (usleep 500) (loop (- i 1)))) ;; Assume the VT is already in UTF-8 mode, thanks to ;; the 'virtual-terminal' service. ;; ;; 'setfont' returns EX_OSERR (71) when an ;; KDFONTOP ioctl fails, for example. Like ;; systemd's vconsole support, let's not treat ;; this as an error. (case (status:exit-val (system* #$(file-append kbd "/bin/setfont") "-C" #$device #$font)) ((0 71) #t) (else #f)))) (stop #~(const #t)) (respawn? #f))))) tty+font)) (define console-font-service-type (service-type (name 'console-fonts) (extensions (list (service-extension shepherd-root-service-type console-font-shepherd-services))) (compose concatenate) (extend append) (description "Install the given fonts on the specified ttys (fonts are per virtual console on GNU/Linux). The value of this service is a list of tty/font pairs. The font can be the name of a font provided by the @code{kbd} package or any valid argument to @command{setfont}, as in this example: @example `((\"tty1\" . \"LatGrkCyr-8x16\") (\"tty2\" . ,(file-append font-tamzen \"/share/kbd/consolefonts/TamzenForPowerline10x20.psf\")) (\"tty3\" . ,(file-append font-terminus \"/share/consolefonts/ter-132n\"))) ; for HDPI @end example\n"))) (define* (console-font-service tty #:optional (font "LatGrkCyr-8x16")) "This procedure is deprecated in favor of @code{console-font-service-type}. Return a service that sets up Unicode support in @var{tty} and loads @var{font} for that tty (fonts are per virtual console in Linux.)" (simple-service (symbol-append 'console-font- (string->symbol tty)) console-font-service-type `((,tty . ,font)))) (define %default-motd (plain-file "motd" "This is the GNU operating system, welcome!\n\n")) (define-record-type* login-configuration make-login-configuration login-configuration? (motd login-configuration-motd ;file-like (default %default-motd)) ;; Allow empty passwords by default so that first-time users can log in when ;; the 'root' account has just been created. (allow-empty-passwords? login-configuration-allow-empty-passwords? (default #t))) ;Boolean (define (login-pam-service config) "Return the list of PAM service needed for CONF." ;; Let 'login' be known to PAM. (list (unix-pam-service "login" #:login-uid? #t #:allow-empty-passwords? (login-configuration-allow-empty-passwords? config) #:motd (login-configuration-motd config)))) (define login-service-type (service-type (name 'login) (extensions (list (service-extension pam-root-service-type login-pam-service))) (default-value (login-configuration)) (description "Provide a console log-in service as specified by its configuration value, a @code{login-configuration} object."))) (define* (login-service #:optional (config (login-configuration))) "Return a service configure login according to @var{config}, which specifies the message of the day, among other things." (service login-service-type config)) (define-record-type* agetty-configuration make-agetty-configuration agetty-configuration? (agetty agetty-configuration-agetty ;file-like (default util-linux)) (tty agetty-configuration-tty) ;string | #f (term agetty-term ;string | #f (default #f)) (baud-rate agetty-baud-rate ;string | #f (default #f)) (auto-login agetty-auto-login ;list of strings | #f (default #f)) (login-program agetty-login-program ;gexp (default (file-append shadow "/bin/login"))) (login-pause? agetty-login-pause? ;Boolean (default #f)) (eight-bits? agetty-eight-bits? ;Boolean (default #f)) (no-reset? agetty-no-reset? ;Boolean (default #f)) (remote? agetty-remote? ;Boolean (default #f)) (flow-control? agetty-flow-control? ;Boolean (default #f)) (host agetty-host ;string | #f (default #f)) (no-issue? agetty-no-issue? ;Boolean (default #f)) (init-string agetty-init-string ;string | #f (default #f)) (no-clear? agetty-no-clear? ;Boolean (default #f)) (local-line agetty-local-line ;always | never | auto (default #f)) (extract-baud? agetty-extract-baud? ;Boolean (default #f)) (skip-login? agetty-skip-login? ;Boolean (default #f)) (no-newline? agetty-no-newline? ;Boolean (default #f)) (login-options agetty-login-options ;string | #f (default #f)) (chroot agetty-chroot ;string | #f (default #f)) (hangup? agetty-hangup? ;Boolean (default #f)) (keep-baud? agetty-keep-baud? ;Boolean (default #f)) (timeout agetty-timeout ;integer | #f (default #f)) (detect-case? agetty-detect-case? ;Boolean (default #f)) (wait-cr? agetty-wait-cr? ;Boolean (default #f)) (no-hints? agetty-no-hints? ;Boolean (default #f)) (no-hostname? agetty-no hostname? ;Boolean (default #f)) (long-hostname? agetty-long-hostname? ;Boolean (default #f)) (erase-characters agetty-erase-characters ;string | #f (default #f)) (kill-characters agetty-kill-characters ;string | #f (default #f)) (chdir agetty-chdir ;string | #f (default #f)) (delay agetty-delay ;integer | #f (default #f)) (nice agetty-nice ;integer | #f (default #f)) ;; "Escape hatch" for passing arbitrary command-line arguments. (extra-options agetty-extra-options ;list of strings (default '())) ;;; XXX Unimplemented for now! ;;; (issue-file agetty-issue-file ;file-like ;;; (default #f)) ) (define (default-serial-port) "Return a gexp that determines a reasonable default serial port to use as the tty. This is primarily useful for headless systems." (with-imported-modules (source-module-closure '((gnu build linux-boot))) ;for 'find-long-options' #~(begin ;; console=device,options ;; device: can be tty0, ttyS0, lp0, ttyUSB0 (serial). ;; options: BBBBPNF. P n|o|e, N number of bits, ;; F flow control (r RTS) (let* ((not-comma (char-set-complement (char-set #\,))) (command (linux-command-line)) (agetty-specs (find-long-options "agetty.tty" command)) (console-specs (filter (lambda (spec) (and (string-prefix? "tty" spec) (not (or (string-prefix? "tty0" spec) (string-prefix? "tty1" spec) (string-prefix? "tty2" spec) (string-prefix? "tty3" spec) (string-prefix? "tty4" spec) (string-prefix? "tty5" spec) (string-prefix? "tty6" spec) (string-prefix? "tty7" spec) (string-prefix? "tty8" spec) (string-prefix? "tty9" spec))))) (find-long-options "console" command))) (specs (append agetty-specs console-specs))) (match specs (() #f) ((spec _ ...) ;; Extract device name from first spec. (match (string-tokenize spec not-comma) ((device-name _ ...) device-name)))))))) (define agetty-shepherd-service (match-lambda (($ agetty tty term baud-rate auto-login login-program login-pause? eight-bits? no-reset? remote? flow-control? host no-issue? init-string no-clear? local-line extract-baud? skip-login? no-newline? login-options chroot hangup? keep-baud? timeout detect-case? wait-cr? no-hints? no-hostname? long-hostname? erase-characters kill-characters chdir delay nice extra-options) (list (shepherd-service (documentation "Run agetty on a tty.") (provision (list (symbol-append 'term- (string->symbol (or tty "auto"))))) ;; Since the login prompt shows the host name, wait for the 'host-name' ;; service to be done. Also wait for udev essentially so that the tty ;; text is not lost in the middle of kernel messages (see also ;; mingetty-shepherd-service). (requirement '(user-processes host-name udev)) (modules '((ice-9 match) (gnu build linux-boot))) (start (with-imported-modules (source-module-closure '((gnu build linux-boot))) #~(lambda args (let ((defaulted-tty #$(or tty (default-serial-port)))) (apply (if defaulted-tty (make-forkexec-constructor (list #$(file-append util-linux "/sbin/agetty") #$@extra-options #$@(if eight-bits? #~("--8bits") #~()) #$@(if no-reset? #~("--noreset") #~()) #$@(if remote? #~("--remote") #~()) #$@(if flow-control? #~("--flow-control") #~()) #$@(if host #~("--host" #$host) #~()) #$@(if no-issue? #~("--noissue") #~()) #$@(if init-string #~("--init-string" #$init-string) #~()) #$@(if no-clear? #~("--noclear") #~()) ;;; FIXME This doesn't work as expected. According to agetty(8), if this option ;;; is not passed, then the default is 'auto'. However, in my tests, when that ;;; option is selected, agetty never presents the login prompt, and the ;;; term-ttyS0 service respawns every few seconds. #$@(if local-line #~(#$(match local-line ('auto "--local-line=auto") ('always "--local-line=always") ('never "-local-line=never"))) #~()) #$@(if tty #~() #~("--keep-baud")) #$@(if extract-baud? #~("--extract-baud") #~()) #$@(if skip-login? #~("--skip-login") #~()) #$@(if no-newline? #~("--nonewline") #~()) #$@(if login-options #~("--login-options" #$login-options) #~()) #$@(if chroot #~("--chroot" #$chroot) #~()) #$@(if hangup? #~("--hangup") #~()) #$@(if keep-baud? #~("--keep-baud") #~()) #$@(if timeout #~("--timeout" #$(number->string timeout)) #~()) #$@(if detect-case? #~("--detect-case") #~()) #$@(if wait-cr? #~("--wait-cr") #~()) #$@(if no-hints? #~("--nohints?") #~()) #$@(if no-hostname? #~("--nohostname") #~()) #$@(if long-hostname? #~("--long-hostname") #~()) #$@(if erase-characters #~("--erase-chars" #$erase-characters) #~()) #$@(if kill-characters #~("--kill-chars" #$kill-characters) #~()) #$@(if chdir #~("--chdir" #$chdir) #~()) #$@(if delay #~("--delay" #$(number->string delay)) #~()) #$@(if nice #~("--nice" #$(number->string nice)) #~()) #$@(if auto-login (list "--autologin" auto-login) '()) #$@(if login-program #~("--login-program" #$login-program) #~()) #$@(if login-pause? #~("--login-pause") #~()) defaulted-tty #$@(if baud-rate #~(#$baud-rate) #~()) #$@(if term #~(#$term) #~()))) (const #f)) ; never start. args))))) (stop #~(make-kill-destructor))))))) (define agetty-service-type (service-type (name 'agetty) (extensions (list (service-extension shepherd-root-service-type agetty-shepherd-service))) (description "Provide console login using the @command{agetty} program."))) (define* (agetty-service config) "Return a service to run agetty according to @var{config}, which specifies the tty to run, among other things." (service agetty-service-type config)) (define-record-type* mingetty-configuration make-mingetty-configuration mingetty-configuration? (mingetty mingetty-configuration-mingetty ;file-like (default mingetty)) (tty mingetty-configuration-tty) ;string (auto-login mingetty-auto-login ;string | #f (default #f)) (login-program mingetty-login-program ;gexp (default #f)) (login-pause? mingetty-login-pause? ;Boolean (default #f)) (clear-on-logout? mingetty-clear-on-logout? ;Boolean (default #t))) (define mingetty-shepherd-service (match-lambda (($ mingetty tty auto-login login-program login-pause? clear-on-logout?) (list (shepherd-service (documentation "Run mingetty on an tty.") (provision (list (symbol-append 'term- (string->symbol tty)))) ;; Since the login prompt shows the host name, wait for the 'host-name' ;; service to be done. Also wait for udev essentially so that the tty ;; text is not lost in the middle of kernel messages (XXX). (requirement '(user-processes host-name udev virtual-terminal)) (start #~(make-forkexec-constructor (list #$(file-append mingetty "/sbin/mingetty") ;; Avoiding 'vhangup' allows us to avoid 'setfont' ;; errors down the path where various ioctls get ;; EIO--see 'hung_up_tty_ioctl' in driver/tty/tty_io.c ;; in Linux. "--nohangup" #$tty #$@(if clear-on-logout? #~() #~("--noclear")) #$@(if auto-login #~("--autologin" #$auto-login) #~()) #$@(if login-program #~("--loginprog" #$login-program) #~()) #$@(if login-pause? #~("--loginpause") #~())))) (stop #~(make-kill-destructor))))))) (define mingetty-service-type (service-type (name 'mingetty) (extensions (list (service-extension shepherd-root-service-type mingetty-shepherd-service))) (description "Provide console login using the @command{mingetty} program."))) (define* (mingetty-service config) "Return a service to run mingetty according to @var{config}, which specifies the tty to run, among other things." (service mingetty-service-type config)) (define-record-type* nscd-configuration make-nscd-configuration nscd-configuration? (log-file nscd-configuration-log-file ;string (default "/var/log/nscd.log")) (debug-level nscd-debug-level ;integer (default 0)) ;; TODO: See nscd.conf in glibc for other options to add. (caches nscd-configuration-caches ;list of (default %nscd-default-caches)) (name-services nscd-configuration-name-services ;list of file-like (default '())) (glibc nscd-configuration-glibc ;file-like (default glibc))) (define-record-type* nscd-cache make-nscd-cache nscd-cache? (database nscd-cache-database) ;symbol (positive-time-to-live nscd-cache-positive-time-to-live) ;integer (negative-time-to-live nscd-cache-negative-time-to-live (default 20)) ;integer (suggested-size nscd-cache-suggested-size ;integer ("default module ;of hash table") (default 211)) (check-files? nscd-cache-check-files? ;Boolean (default #t)) (persistent? nscd-cache-persistent? ;Boolean (default #t)) (shared? nscd-cache-shared? ;Boolean (default #t)) (max-database-size nscd-cache-max-database-size ;integer (default (* 32 (expt 2 20)))) (auto-propagate? nscd-cache-auto-propagate? ;Boolean (default #t))) (define %nscd-default-caches ;; Caches that we want to enable by default. Note that when providing an ;; empty nscd.conf, all caches are disabled. (list (nscd-cache (database 'hosts) ;; Aggressively cache the host name cache to improve ;; privacy and resilience. (positive-time-to-live (* 3600 12)) (negative-time-to-live 20) (persistent? #t)) (nscd-cache (database 'services) ;; Services are unlikely to change, so we can be even more ;; aggressive. (positive-time-to-live (* 3600 24)) (negative-time-to-live 3600) (check-files? #t) ;check /etc/services changes (persistent? #t)))) (define %nscd-default-configuration ;; Default nscd configuration. (nscd-configuration)) (define (nscd.conf-file config) "Return the @file{nscd.conf} configuration file for @var{config}, an @code{} object." (define cache->config (match-lambda (($ (= symbol->string database) positive-ttl negative-ttl size check-files? persistent? shared? max-size propagate?) (string-append "\nenable-cache\t" database "\tyes\n" "positive-time-to-live\t" database "\t" (number->string positive-ttl) "\n" "negative-time-to-live\t" database "\t" (number->string negative-ttl) "\n" "suggested-size\t" database "\t" (number->string size) "\n" "check-files\t" database "\t" (if check-files? "yes\n" "no\n") "persistent\t" database "\t" (if persistent? "yes\n" "no\n") "shared\t" database "\t" (if shared? "yes\n" "no\n") "max-db-size\t" database "\t" (number->string max-size) "\n" "auto-propagate\t" database "\t" (if propagate? "yes\n" "no\n"))))) (match config (($ log-file debug-level caches) (plain-file "nscd.conf" (string-append "\ # Configuration of libc's name service cache daemon (nscd).\n\n" (if log-file (string-append "logfile\t" log-file) "") "\n" (if debug-level (string-append "debug-level\t" (number->string debug-level)) "") "\n" (string-concatenate (map cache->config caches))))))) (define (nscd-action-procedure nscd config option) ;; XXX: This is duplicated from mcron; factorize. #~(lambda (_ . args) ;; Run 'nscd' in a pipe so we can explicitly redirect its output to ;; 'current-output-port', which at this stage is bound to the client ;; connection. (let ((pipe (apply open-pipe* OPEN_READ #$nscd "-f" #$config #$option args))) (let loop () (match (read-line pipe 'concat) ((? eof-object?) (catch 'system-error (lambda () (zero? (close-pipe pipe))) (lambda args ;; There's a race with the SIGCHLD handler, which could ;; call 'waitpid' before 'close-pipe' above does. If we ;; get ECHILD, that means we lost the race; in that case, we ;; cannot tell what the exit code was (FIXME). (or (= ECHILD (system-error-errno args)) (apply throw args))))) (line (display line) (loop))))))) (define (nscd-actions nscd config) "Return Shepherd actions for NSCD." ;; Make this functionality available as actions because that's a simple way ;; to run the right 'nscd' binary with the right config file. (list (shepherd-action (name 'statistics) (documentation "Display statistics about nscd usage.") (procedure (nscd-action-procedure nscd config "--statistics"))) (shepherd-action (name 'invalidate) (documentation "Invalidate the given cache--e.g., 'hosts' for host name lookups.") (procedure (nscd-action-procedure nscd config "--invalidate"))))) (define (nscd-shepherd-service config) "Return a shepherd service for CONFIG, an object." (let ((nscd (file-append (nscd-configuration-glibc config) "/sbin/nscd")) (nscd.conf (nscd.conf-file config)) (name-services (nscd-configuration-name-services config))) (list (shepherd-service (documentation "Run libc's name service cache daemon (nscd).") (provision '(nscd)) (requirement '(user-processes)) (start #~(make-forkexec-constructor (list #$nscd "-f" #$nscd.conf "--foreground") ;; Wait for the PID file. However, the PID file is ;; written before nscd is actually listening on its ;; socket (XXX). #:pid-file "/var/run/nscd/nscd.pid" #:environment-variables (list (string-append "LD_LIBRARY_PATH=" (string-join (map (lambda (dir) (string-append dir "/lib")) (list #$@name-services)) ":"))))) (stop #~(make-kill-destructor)) (modules `((ice-9 popen) ;for the actions (ice-9 rdelim) (ice-9 match) ,@%default-modules)) (actions (nscd-actions nscd nscd.conf)))))) (define nscd-activation ;; Actions to take before starting nscd. #~(begin (use-modules (guix build utils)) (mkdir-p "/var/run/nscd") (mkdir-p "/var/db/nscd") ;for the persistent cache ;; In libc 2.25 nscd uses inotify to watch /etc/resolv.conf, but only if ;; that file exists when it is started. Thus create it here. Note: on ;; some systems, such as when NetworkManager is used, /etc/resolv.conf ;; is a symlink, hence 'lstat'. (unless (false-if-exception (lstat "/etc/resolv.conf")) (call-with-output-file "/etc/resolv.conf" (lambda (port) (display "# This is a placeholder.\n" port)))))) (define nscd-service-type (service-type (name 'nscd) (extensions (list (service-extension activation-service-type (const nscd-activation)) (service-extension shepherd-root-service-type nscd-shepherd-service))) ;; This can be extended by providing additional name services ;; such as nss-mdns. (compose concatenate) (extend (lambda (config name-services) (nscd-configuration (inherit config) (name-services (append (nscd-configuration-name-services config) name-services))))) (default-value %nscd-default-configuration) (description "Runs libc's @dfn{name service cache daemon} (nscd) with the given configuration---an @code{} object. @xref{Name Service Switch}, for an example."))) (define* (nscd-service #:optional (config %nscd-default-configuration)) "Return a service that runs libc's name service cache daemon (nscd) with the given @var{config}---an @code{} object. @xref{Name Service Switch}, for an example." (service nscd-service-type config)) (define-record-type* syslog-configuration make-syslog-config-rw-r--r--debian.scm27207logplainabout -rw-r--r--debug.scm36014logplainabout -rw-r--r--dejagnu.scm3502logplainabout -rw-r--r--dezyne.scm5022logplainabout -rw-r--r--dhall.scm5386logplainabout -rw-r--r--dico.scm3645logplainabout -rw-r--r--dictionaries.scm17755logplainabout -rw-r--r--diffoscope.scm14186logplainabout -rw-r--r--digest.scm5298logplainabout -rw-r--r--direct-connect.scm3169logplainabout -rw-r--r--disk.scm58028logplainabout -rw-r--r--display-managers.scm19092logplainabout -rw-r--r--distributed.scm3870logplainabout -rw-r--r--django.scm52817logplainabout -rw-r--r--djvu.scm17007logplainabout -rw-r--r--dlang.scm20273logplainabout -rw-r--r--dns.scm58009logplainabout -rw-r--r--docbook.scm32106logplainabout -rw-r--r--docker.scm32587logplainabout -rw-r--r--documentation.scm16667logplainabout -rw-r--r--dunst.scm3639logplainabout -rw-r--r--dvtm.scm2302logplainabout -rw-r--r--easyrpg.scm4376logplainabout -rw-r--r--ebook.scm26943logplainabout -rw-r--r--ed.scm2372logplainabout -rw-r--r--education.scm43595logplainabout -rw-r--r--efi.scm9698logplainabout -rw-r--r--electronics.scm17674logplainabout -rw-r--r--elf.scm13141logplainabout -rw-r--r--elixir.scm5023logplainabout -rw-r--r--elm.scm28154logplainabout -rw-r--r--emacs-xyz.scm1228936logplainabout -rw-r--r--emacs.scm24180logplainabout -rw-r--r--embedded.scm71787logplainabout -rw-r--r--emulators.scm98120logplainabout -rw-r--r--enchant.scm6456logplainabout -rw-r--r--engineering.scm152756logplainabout -rw-r--r--enlightenment.scm23644logplainabout -rw-r--r--entr.scm3301logplainabout -rw-r--r--erlang.scm27651logplainabout -rw-r--r--esolangs.scm5728logplainabout -rw-r--r--fabric-management.scm9260logplainabout -rw-r--r--fcitx.scm9002logplainabout -rw-r--r--fcitx5.scm18909logplainabout -rw-r--r--figlet.scm1797logplainabout -rw-r--r--file-systems.scm72225logplainabout -rw-r--r--file.scm2852logplainabout efine (udev-rules-union packages) "Return the union of the @code{lib/udev/rules.d} directories found in each item of @var{packages}." (define build (with-imported-modules '((guix build union) (guix build utils)) #~(begin (use-modules (guix build union) (guix build utils) (srfi srfi-1) (srfi srfi-26)) (define %standard-locations '("/lib/udev/rules.d" "/libexec/udev/rules.d")) (define (rules-sub-directory directory) ;; Return the sub-directory of DIRECTORY containing udev rules, or ;; #f if none was found. (find directory-exists? (map (cut string-append directory <>) %standard-locations))) (mkdir-p (string-append #$output "/lib/udev")) (union-build (string-append #$output "/lib/udev/rules.d") (filter-map rules-sub-directory '#$packages))))) (computed-file "udev-rules" build)) (define (udev-rule file-name contents) "Return a directory with a udev rule file FILE-NAME containing CONTENTS." (computed-file file-name (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define rules.d (string-append #$output "/lib/udev/rules.d")) (mkdir-p rules.d) (call-with-output-file (string-append rules.d "/" #$file-name) (lambda (port) (display #$contents port))))))) (define (file->udev-rule file-name file) "Return a directory with a udev rule file FILE-NAME which is a copy of FILE." (computed-file file-name (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define rules.d (string-append #$output "/lib/udev/rules.d")) (define file-copy-dest (string-append rules.d "/" #$file-name)) (mkdir-p rules.d) (copy-file #$file file-copy-dest))))) (define kvm-udev-rule ;; Return a directory with a udev rule that changes the group of /dev/kvm to ;; "kvm" and makes it #o660. Apparently QEMU-KVM used to ship this rule, ;; but now we have to add it by ourselves. ;; Build users are part of the "kvm" group, so we can fearlessly make ;; /dev/kvm 660 (see , for background.) (udev-rule "90-kvm.rules" "KERNEL==\"kvm\", GROUP=\"kvm\", MODE=\"0660\"\n")) (define udev-shepherd-service ;; Return a for UDEV with RULES. (match-lambda (($ udev rules) (let* ((rules (udev-rules-union (cons* udev kvm-udev-rule rules))) (udev.conf (computed-file "udev.conf" #~(call-with-output-file #$output (lambda (port) (format port "udev_rules=\"~a/lib/udev/rules.d\"\n" #$rules)))))) (list (shepherd-service (provision '(udev)) ;; Udev needs /dev to be a 'devtmpfs' mount so that new device nodes can ;; be added: see ;; . (requirement '(root-file-system)) (documentation "Populate the /dev directory, dynamically.") (start (with-imported-modules (source-module-closure '((gnu build linux-boot))) #~(lambda () (define udevd ;; 'udevd' from eudev. #$(file-append udev "/sbin/udevd")) (define (wait-for-udevd) ;; Wait until someone's listening on udevd's control ;; socket. (let ((sock (socket AF_UNIX SOCK_SEQPACKET 0))) (let try () (catch 'system-error (lambda () (connect sock PF_UNIX "/run/udev/control") (close-port sock)) (lambda args (format #t "waiting for udevd...~%") (usleep 500000) (try)))))) ;; Allow udev to find the modules. (setenv "LINUX_MODULE_DIRECTORY" "/run/booted-system/kernel/lib/modules") (let* ((kernel-release (utsname:release (uname))) (linux-module-directory (getenv "LINUX_MODULE_DIRECTORY")) (directory (string-append linux-module-directory "/" kernel-release)) (old-umask (umask #o022))) ;; If we're in a container, DIRECTORY might not exist, ;; for instance because the host runs a different ;; kernel. In that case, skip it; we'll just miss a few ;; nodes like /dev/fuse. (when (file-exists? directory) (make-static-device-nodes directory)) (umask old-umask)) (let ((pid (fork+exec-command (list udevd) #:environment-variables (cons* ;; The first one is for udev, the second one for ;; eudev. (string-append "UDEV_CONFIG_FILE=" #$udev.conf) (string-append "EUDEV_RULES_DIRECTORY=" #$(file-append rules "/lib/udev/rules.d")) (string-append "LINUX_MODULE_DIRECTORY=" (getenv "LINUX_MODULE_DIRECTORY")) (default-environment-variables))))) ;; Wait until udevd is up and running. This appears to ;; be needed so that the events triggered below are ;; actually handled. (wait-for-udevd) ;; Trigger device node creation. (system* #$(file-append udev "/bin/udevadm") "trigger" "--action=add") ;; Wait for things to settle down. (system* #$(file-append udev "/bin/udevadm") "settle") pid)))) (stop #~(make-kill-destructor)) ;; When halting the system, 'udev' is actually killed by ;; 'user-processes', i.e., before its own 'stop' method was called. ;; Thus, make sure it is not respawned. (respawn? #f) ;; We need additional modules. (modules `((gnu build linux-boot) ;'make-static-device-nodes' ,@%default-modules)) (actions (list (shepherd-action (name 'rules) (documentation "Display the directory containing the udev rules in use.") (procedure #~(lambda (_) (display #$rules) (newline)))))))))))) (define udev-service-type (service-type (name 'udev) (extensions (list (service-extension shepherd-root-service-type udev-shepherd-service))) (compose concatenate) ;concatenate the list of rules (extend (lambda (config rules) (match config (($ udev initial-rules) (udev-configuration (udev udev) (rules (append initial-rules rules))))))) (default-value (udev-configuration)) (description "Run @command{udev}, which populates the @file{/dev} directory dynamically. Get extra rules from the packages listed in the @code{rules} field of its value, @code{udev-configuration} object."))) (define* (udev-service #:key (udev eudev) (rules '())) "Run @var{udev}, which populates the @file{/dev} directory dynamically. Get extra rules from the packages listed in @var{rules}." (service udev-service-type (udev-configuration (udev udev) (rules rules)))) (define* (udev-rules-service name rules #:key (groups '())) "Return a service that extends udev-service-type with RULES and account-service-type with GROUPS as system groups. This works by creating a singleton service type NAME-udev-rules, of which the returned service is an instance." (let* ((name (symbol-append name '-udev-rules)) (account-extension (const (map (lambda (group) (user-group (name group) (system? #t))) groups))) (udev-extension (const (list rules))) (type (service-type (name name) (extensions (list (service-extension account-service-type account-extension) (service-extension udev-service-type udev-extension)))))) (service type #f))) (define (swap-space->shepherd-service-name space) (let ((target (swap-space-target space))) (symbol-append 'swap- (string->symbol (cond ((uuid? target) (uuid->string target)) ((file-system-label? target) (file-system-label->string target)) (else target)))))) ; TODO Remove after deprecation (define (swap-deprecated->shepherd-service-name sdep) (symbol-append 'swap- (string->symbol (cond ((uuid? sdep) (string-take (uuid->string sdep) 6)) ((file-system-label? sdep) (file-system-label->string sdep)) (else sdep))))) (define swap->shepherd-service-name (match-lambda ((? swap-space? space) (swap-space->shepherd-service-name space)) (sdep (swap-deprecated->shepherd-service-name sdep)))) (define swap-service-type (shepherd-service-type 'swap (lambda (swap) (define requirements (cond ((swap-space? swap) (map dependency->shepherd-service-name (swap-space-dependencies swap))) ; TODO Remove after deprecation ((and (string? swap) (string-prefix? "/dev/mapper/" swap)) (list (symbol-append 'device-mapping- (string->symbol (basename swap))))) (else '()))) (define device-lookup ;; The generic 'find-partition' procedures could return a partition ;; that's not swap space, but that's unlikely. (cond ((swap-space? swap) (let ((target (swap-space-target swap))) (cond ((uuid? target) #~(find-partition-by-uuid #$(uuid-bytevector target))) ((file-system-label? target) #~(find-partition-by-label #$(file-system-label->string target))) (else target)))) ; TODO Remove after deprecation ((uuid? swap) #~(find-partition-by-uuid #$(uuid-bytevector swap))) ((file-system-label? swap) #~(find-partition-by-label #$(file-system-label->string swap))) (else swap))) (with-imported-modules (source-module-closure '((gnu build file-systems))) (shepherd-service (provision (list (swap->shepherd-service-name swap))) (requirement `(udev ,@requirements)) (documentation "Enable the given swap space.") (modules `((gnu build file-systems) ,@%default-modules)) (start #~(lambda () (let ((device #$device-lookup)) (and device (begin (restart-on-EINTR (swapon device #$(if (swap-space? swap) (swap-space->flags-bit-mask swap) 0))) #t))))) (stop #~(lambda _ (let ((device #$device-lookup)) (when device (restart-on-EINTR (swapoff device))) #f))) (respawn? #f)))) (description "Turn on the virtual memory swap area."))) (define (swap-service swap) "Return a service that uses @var{swap} as a swap space." (service swap-service-type swap)) (define %default-gpm-options ;; Default options for GPM. '("-m" "/dev/input/mice" "-t" "ps2")) (define-record-type* gpm-configuration make-gpm-configuration gpm-configuration? (gpm gpm-configuration-gpm ;file-like (default gpm)) (options gpm-configuration-options ;list of strings (default %default-gpm-options))) (define gpm-shepherd-service (match-lambda (($ gpm options) (list (shepherd-service (requirement '(udev)) (provision '(gpm)) ;; 'gpm' runs in the background and sets a PID file. ;; Note that it requires running as "root". (start #~(make-forkexec-constructor (list #$(file-append gpm "/sbin/gpm") #$@options) #:pid-file "/var/run/gpm.pid" #:pid-file-timeout 3)) (stop #~(lambda (_) ;; Return #f if successfully stopped. (not (zero? (system* #$(file-append gpm "/sbin/gpm") "-k")))))))))) (define gpm-service-type (service-type (name 'gpm) (extensions (list (service-extension shepherd-root-service-type gpm-shepherd-service))) (default-value (gpm-configuration)) (description "Run GPM, the general-purpose mouse daemon, with the given command-line options. GPM allows users to use the mouse in the console, notably to select, copy, and paste text. The default options use the @code{ps2} protocol, which works for both USB and PS/2 mice."))) (define-record-type* kmscon-configuration make-kmscon-configuration kmscon-configuration? (kmscon kmscon-configuration-kmscon (default kmscon)) (virtual-terminal kmscon-configuration-virtual-terminal) (login-program kmscon-configuration-login-program (default (file-append shadow "/bin/login"))) (login-arguments kmscon-configuration-login-arguments (default '("-p"))) (auto-login kmscon-configuration-auto-login (default #f)) (hardware-acceleration? kmscon-configuration-hardware-acceleration? (default #f)) ; #t causes failure (font-engine kmscon-configuration-font-engine (default "pango")) (font-size kmscon-configuration-font-size (default 12)) (keyboard-layout kmscon-configuration-keyboard-layout (default #f))) ; #f | (define kmscon-service-type (shepherd-service-type 'kmscon (lambda (config) (let ((kmscon (kmscon-configuration-kmscon config)) (virtual-terminal (kmscon-configuration-virtual-terminal config)) (login-program (kmscon-configuration-login-program config)) (login-arguments (kmscon-configuration-login-arguments config)) (auto-login (kmscon-configuration-auto-login config)) (hardware-acceleration? (kmscon-configuration-hardware-acceleration? config)) (font-engine (kmscon-configuration-font-engine config)) (font-size (kmscon-configuration-font-size config)) (keyboard-layout (kmscon-configuration-keyboard-layout config))) (define kmscon-command #~(list #$(file-append kmscon "/bin/kmscon") "--login" "--vt" #$virtual-terminal "--no-switchvt" ;Prevent a switch to the virtual terminal. "--font-engine" #$font-engine "--font-size" #$(number->string font-size) #$@(if keyboard-layout (let* ((layout (keyboard-layout-name keyboard-layout)) (variant (keyboard-layout-variant keyboard-layout)) (model (keyboard-layout-model keyboard-layout)) (options (keyboard-layout-options keyboard-layout))) `("--xkb-layout" ,layout ,@(if variant `("--xkb-variant" ,variant) '()) ,@(if model `("--xkb-model" ,model) '()) ,@(if (null? options) '() `("--xkb-options" ,(string-join options ","))))) '()) #$@(if hardware-acceleration? '("--hwaccel") '()) "--login" "--" #$login-program #$@login-arguments #$@(if auto-login #~(#$auto-login) #~()))) (shepherd-service (documentation "kmscon virtual terminal") (requirement '(user-processes udev dbus-system)) (provision (list (symbol-append 'term- (string->symbol virtual-terminal)))) (start #~(make-forkexec-constructor #$kmscon-command)) (stop #~(make-kill-destructor))))) (description "Start the @command{kmscon} virtual terminal emulator for the Linux @dfn{kernel mode setting} (KMS)."))) (define-record-type* static-networking make-static-networking static-networking? (interface static-networking-interface) (ip static-networking-ip) (netmask static-networking-netmask (default #f)) (gateway static-networking-gateway ;FIXME: doesn't belong here (default #f)) (provision static-networking-provision (default #f)) (requirement static-networking-requirement (default '())) (name-servers static-networking-name-servers ;FIXME: doesn't belong here (default '()))) (define static-networking-shepherd-service (match-lambda (($ interface ip netmask gateway provision requirement name-servers) (let ((loopback? (and provision (memq 'loopback provision)))) (shepherd-service (documentation "Bring up the networking interface using a static IP address.") (requirement requirement) (provision (or provision (list (symbol-append 'networking- (string->symbol interface))))) (start #~(lambda _ ;; Return #t if successfully started. (let* ((addr (inet-pton AF_INET #$ip)) (sockaddr (make-socket-address AF_INET addr 0)) (mask (and #$netmask (inet-pton AF_INET #$netmask))) (maskaddr (and mask (make-socket-address AF_INET mask 0))) (gateway (and #$gateway (inet-pton AF_INET #$gateway))) (gatewayaddr (and gateway (make-socket-address AF_INET gateway 0)))) (configure-network-interface #$interface sockaddr (logior IFF_UP #$(if loopback? #~IFF_LOOPBACK 0)) #:netmask maskaddr) (when gateway (let ((sock (socket AF_INET SOCK_DGRAM 0))) (add-network-route/gateway sock gatewayaddr) (close-port sock)))))) (stop #~(lambda _ ;; Return #f is successfully stopped. (let ((sock (socket AF_INET SOCK_STREAM 0))) (when #$gateway (delete-network-route sock (make-socket-address AF_INET INADDR_ANY 0))) (set-network-interface-flags sock #$interface 0) (close-port sock) #f))) (respawn? #f)))))) (define (static-networking-etc-files interfaces) "Return a /etc/resolv.conf entry for INTERFACES or the empty list." (match (delete-duplicates (append-map static-networking-name-servers interfaces)) (() '()) ((name-servers ...) (let ((content (string-join (map (cut string-append "nameserver " <>) name-servers) "\n" 'suffix))) `(("resolv.conf" ,(plain-file "resolv.conf" (string-append "\ # Generated by 'static-networking-service'.\n" content)))))))) (define (static-networking-shepherd-services interfaces) "Return the list of Shepherd services to bring up INTERFACES, a list of objects." (define (loopback? service) (memq 'loopback (shepherd-service-provision service))) (let ((services (map static-networking-shepherd-service interfaces))) (match (remove loopback? services) (() ;; There's no interface other than 'loopback', so we assume that the ;; 'networking' service will be provided by dhclient or similar. services) ((non-loopback ...) ;; Assume we're providing all the interfaces, and thus, provide a ;; 'networking' service. (cons (shepherd-service (provision '(networking)) (requirement (append-map shepherd-service-provision services)) (start #~(const #t)) (stop #~(const #f)) (documentation "Bring up all the networking interfaces.")) services))))) (define static-networking-service-type ;; The service type for statically-defined network interfaces. (service-type (name 'static-networking) (extensions (list (service-extension shepherd-root-service-type static-networking-shepherd-services) (service-extension etc-service-type static-networking-etc-files))) (compose concatenate) (extend append) (description "Turn up the specified network interfaces upon startup, with the given IP address, gateway, netmask, and so on. The value for services of this type is a list of @code{static-networking} objects, one per network interface."))) (define* (static-networking-service interface ip #:key netmask gateway provision ;; Most interfaces require udev to be usable. (requirement '(udev)) (name-servers '())) "Return a service that starts @var{interface} with address @var{ip}. If @var{netmask} is true, use it as the network mask. If @var{gateway} is true, it must be a string specifying the default network gateway. This procedure can be called several times, one for each network interface of interest. Behind the scenes what it does is extend @code{static-networking-service-type} with additional network interfaces to handle." (simple-service 'static-network-interface static-networking-service-type (list (static-networking (interface interface) (ip ip) (netmask netmask) (gateway gateway) (provision provision) (requirement requirement) (name-servers name-servers))))) (define %base-services ;; Convenience variable holding the basic services. (list (service login-service-type) (service virtual-terminal-service-type) (service console-font-service-type (map (lambda (tty) (cons tty %default-console-font)) '("tty1" "tty2" "tty3" "tty4" "tty5" "tty6"))) (service agetty-service-type (agetty-configuration (extra-options '("-L")) ; no carrier detect (term "vt100") (tty #f))) ; automatic (service mingetty-service-type (mingetty-configuration (tty "tty1"))) (service mingetty-service-type (mingetty-configuration (tty "tty2"))) (service mingetty-service-type (mingetty-configuration (tty "tty3"))) (service mingetty-service-type (mingetty-configuration (tty "tty4"))) (service mingetty-service-type (mingetty-configuration (tty "tty5"))) (service mingetty-service-type (mingetty-configuration (tty "tty6"))) (service static-networking-service-type (list (static-networking (interface "lo") (ip "127.0.0.1") (requirement '()) (provision '(loopback))))) (syslog-service) (service urandom-seed-service-type) (service guix-service-type) (service nscd-service-type) (service rottlog-service-type) ;; The LVM2 rules are needed as soon as LVM2 or the device-mapper is ;; used, so enable them by default. The FUSE and ALSA rules are ;; less critical, but handy. (service udev-service-type (udev-configuration (rules (list lvm2 fuse alsa-utils crda)))) (service sysctl-service-type) (service special-files-service-type `(("/bin/sh" ,(file-append bash "/bin/sh")) ("/usr/bin/env" ,(file-append coreutils "/bin/env")))))) ;;; base.scm ends here