;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013-2022, 2024 Ludovic Courtès ;;; Copyright © 2015 Mark H Weaver ;;; Copyright © 2015, 2016 Alex Kost ;;; Copyright © 2016 Chris Marusich ;;; Copyright © 2017 Mathieu Othacehe ;;; Copyright © 2019 Meiyo Peng ;;; Copyright © 2019, 2020 Miguel Ángel Arruga Vivas ;;; Copyright © 2020 Danny Milosavljevic ;;; Copyright © 2020, 2021 Brice Waegeneire ;;; Copyright © 2020 Florian Pelz ;;; Copyright © 2020, 2022 Maxim Cournoyer ;;; Copyright © 2020, 2023 Janneke Nieuwenhuizen ;;; Copyright © 2020, 2022 Efraim Flashner ;;; Copyright © 2021 Maxime Devos ;;; Copyright © 2021 raid5atemyhomework ;;; Copyright © 2023 Bruno Victal ;;; Copyright © 2024 Nicolas Graves ;;; ;;; 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 system) #:use-module (guix inferior) #:use-module (guix store) #:use-module (guix memoization) #:use-module (guix monads) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix packages) #:use-module (guix deprecation) #:use-module (guix derivations) #:use-module (guix profiles) #:use-module ((guix utils) #:select (substitute-keyword-arguments version>?)) #:use-module (guix i18n) #:use-module (guix diagnostics) #:use-module (guix ui) #:use-module (gnu packages admin) #:use-module (gnu packages base) #:use-module (gnu packages bash) #:use-module ((gnu packages certs) #:select (nss-certs)) #:use-module (gnu packages compression) #:use-module (gnu packages cross-base) #:use-module (gnu packages firmware) #:use-module (gnu packages gawk) #:use-module (gnu packages guile) #:use-module (gnu packages guile-xyz) #:use-module (gnu packages hurd) #:use-module (gnu packages less) #:use-module (gnu packages linux) #:use-module (gnu packages man) #:use-module (gnu packages nvi) #:use-module (gnu packages package-management) #:use-module (gnu packages pciutils) #:use-module (gnu packages texinfo) #:use-module (gnu packages text-editors) #:use-module (gnu packages wget) #:use-module (gnu services) #:use-module (gnu services shepherd) #:use-module (gnu services base) #:use-module (gnu bootloader) #:use-module (gnu system boot) #:use-module (gnu system shadow) #:use-module (gnu system nss) #:use-module (gnu system locale) #:use-module (gnu system pam) #:use-module (gnu system linux-initrd) #:use-module (gnu system setuid) #:use-module (gnu system uuid) #:use-module (gnu system file-systems) #:use-module (gnu system mapped-devices) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:use-module (srfi srfi-71) #:use-module (rnrs bytevectors) #:export (operating-system operating-system? this-operating-system operating-system-bootloader operating-system-services operating-system-essential-services operating-system-default-essential-services operating-system-user-services operating-system-packages operating-system-host-name operating-system-hosts-file ;deprecated operating-system-hurd operating-system-kernel operating-system-kernel-file operating-system-kernel-arguments operating-system-label operating-system-default-label operating-system-initrd-modules operating-system-initrd operating-system-users operating-system-groups operating-system-issue operating-system-timezone operating-system-locale operating-system-locale-definitions operating-system-locale-libcs operating-system-mapped-devices operating-system-file-systems operating-system-store-file-system operating-system-user-mapped-devices operating-system-boot-mapped-devices operating-system-bootloader-crypto-devices operating-system-activation-script operating-system-user-accounts operating-system-shepherd-service-names operating-system-user-kernel-arguments operating-system-firmware operating-system-keyboard-layout operating-system-name-service-switch operating-system-pam-services operating-system-setuid-programs operating-system-skeletons operating-system-sudoers-file operating-system-swap-devices operating-system-kernel-loadable-modules operating-system-location operating-system-derivation operating-system-profile operating-system-bootmeta operating-system-etc-directory operating-system-locale-directory operating-system-boot-script operating-system-boot-parameters operating-system-uuid operating-system-with-gc-roots operating-system-with-provenance hurd-default-essential-services local-host-aliases ;deprecated %root-account %setuid-programs %sudoers-specification %base-packages %base-packages-artwork %base-packages-interactive %base-packages-linux %base-packages-networking %base-packages-disk-utilities %base-packages-utils %base-firmware %default-kernel-arguments)) ;;; Commentary: ;;; ;;; This module supports whole-system configuration. ;;; ;;; Code: (define (convert-bootloader-field bootloader) (if (list? bootloader) bootloader (list bootloader))) (define-with-syntax-properties (warn-hosts-file-field-deprecation (value properties)) (when value (warning (source-properties->location properties) (G_ "the 'hosts-file' field is deprecated, please use \ 'hosts-service-type' instead~%"))) value) ;; TODO: Add per-field docstrings/stexi. (define-record-type* operating-system make-operating-system operating-system? this-operating-system (kernel operating-system-kernel ; package (default linux-libre)) (kernel-loadable-modules operating-system-kernel-loadable-modules (default '())) ; list of packages (kernel-arguments operating-system-user-kernel-arguments (default %default-kernel-arguments)) ; list of gexps/strings (hurd operating-system-hurd (default #f)) ; package (bootloader operating-system-bootloader ; (default '()) (sanitize convert-bootloader-field)) (label operating-system-label ; string (thunked) (default (operating-system-default-label this-operating-system))) (keyboard-layout operating-system-keyboard-layout ;#f | (default #f)) (initrd operating-system-initrd ; (list fs) -> file-like (default base-initrd)) (initrd-modules operating-system-initrd-modules ; list of strings (thunked) ; it's system-dependent (default %base-initrd-modules)) (firmware operating-system-firmware ; list of packages (default %base-firmware)) (host-name operating-system-host-name) ; string (hosts-file %operating-system-hosts-file ; deprecated (default #f) (sanitize warn-hosts-file-field-deprecation)) (mapped-devices operating-system-mapped-devices ; list of (default '())) (file-systems operating-system-file-systems) ; list of fs (swap-devices operating-system-swap-devices ; list of string | (default '()) (delayed) (sanitize warn-swap-devices-change)) (users operating-system-users ; list of user accounts (default %base-user-accounts)) (groups operating-system-groups ; list of user groups (default %base-groups)) (skeletons operating-system-skeletons ; list of name/file-like value (default (default-skeletons))) (issue operating-system-issue ; string (default %default-issue)) (packages %operating-system-packages ; list of (PACKAGE OUTPUT...) (default %base-packages)) ; or just PACKAGE (timezone operating-system-timezone (default "Etc/UTC")) ; string (locale operating-system-locale ; string (default "en_US.utf8")) (locale-definitions operating-system-locale-definitions ; list of (default %default-locale-definitions)) (locale-libcs operating-system-locale-libcs ; list of (default %default-locale-libcs)) (name-service-switch operating-system-name-service-switch ; (default %default-nss)) (essential-services operating-system-essential-services ; list of services (thunked) (default (operating-system-default-essential-services this-operating-system))) (services operating-system-user-services ; list of services (thunked) ;allow for system-dependent services (default %base-services) (sanitize validate-service-list)) (pam-services operating-system-pam-services ; list of PAM services (default (base-pam-services))) (setuid-programs operating-system-setuid-programs (default %setuid-programs) ; list of (sanitize ensure-setuid-program-list)) (sudoers-file operating-system-sudoers-file ; file-like (default %sudoers-specification)) (location operating-system-location ; (default (and=> (current-source-location) source-properties->location)) (innate))) (define-deprecated (operating-system-hosts-file os) hosts-service-type (%operating-system-hosts-file os)) ;;; XXX: Remove after a new release of Guix no longer suggests to install ;;; nss-certs. (define (operating-system-packages os) "Return the packages of the OS record object." ;; This wrapper is used to warn users that their operating system packages ;; field contains a duplicated nss-certs packages. (let* ((packages (%operating-system-packages os)) (nss-certs-packages (sort (filter (lambda (p) (and (package? p) (string=? "nss-certs" (package-name p)))) packages) (lambda (x y) ;; Sort from newer to older versions. (version>? (package-version x) (package-version y)))))) (if (> (length nss-certs-packages) 1) (begin (warning #f (G_ "multiple 'nss-certs' packages found; 'nss-certs' \ is now included by default in '%base-packages'; ensure it is not explicitly \ listed in the operating system 'packages' field~%")) (let ((nss-certs-packages (delete-duplicates nss-certs-packages eq?))) (if (> (length nss-certs-packages) 1) ;; Only mismatched nss-certs packages need to be handled to ;; avoid profile collisions; same objects are later ;; deduplicated in `packages->profile-entry'. (fold delete packages (drop nss-certs-packages 1)) packages))) ;no-op packages))) (define* (operating-system-kernel-arguments os root-device #:key (version %boot-parameters-version)) "Return all the kernel arguments, including the ones not specified directly by the user. VERSION should match that of the target record object that will contain the kernel parameters." (append (bootable-kernel-arguments os root-device version) (operating-system-user-kernel-arguments os))) ;;; ;;; Services. ;;; (define (non-boot-file-system-service os) "Return the file system service for the file systems of OS that are not marked as 'needed-for-boot'." (define file-systems (remove file-system-needed-for-boot? (operating-system-file-systems os))) (define mapped-devices-for-boot (operating-system-boot-mapped-devices os)) (define (device-mappings fs) (let ((device (file-system-device fs))) (if (string? device) ;title is 'device (filter (lambda (md) (any (cut string=? device <>) (map (cut string-append "/dev/mapper" <>) (mapped-device-targets md)))) (operating-system-mapped-devices os)) '()))) (define (add-dependencies fs) ;; Add the dependencies due to device mappings to FS. (file-system (inherit fs) (dependencies (delete-duplicates (remove (cut member <> mapped-devices-for-boot) (append (device-mappings fs) (file-system-dependencies fs))) eq?)))) (service file-system-service-type (map add-dependencies file-systems))) (define (boot-file-system-service os) "Return a service which adds, to the system profile, packages providing the utilities for the file systems marked as 'needed-for-boot' in OS." (let ((file-systems (filter file-system-needed-for-boot? (operating-system-file-systems os)))) (simple-service 'boot-file-system-utilities profile-service-type (file-system-utilities file-systems)))) (define (mapped-device-users device file-systems) "Return the subset of FILE-SYSTEMS that use DEVICE." (let ((targets (map (cut string-append "/dev/mapper/" <>) (mapped-device-targets device)))) (filter (lambda (fs) (or (member device (file-system-dependencies fs)) (and (string? (file-system-device fs)) (any (cut string=? (file-system-device fs) <>) targets)))) file-systems))) (define (operating-system-user-mapped-devices os) "Return the subset of mapped devices that can be installed in user-land--i.e., those not needed during boot." (let ((devices (operating-system-mapped-devices os)) (file-systems (operating-system-file-systems os))) (filter (lambda (md) (let ((users (mapped-device-users md file-systems))) (not (any file-system-needed-for-boot? users)))) devices))) (define (operating-system-boot-mapped-devices os) "Return the subset of mapped devices that must be installed during boot, from the initrd." (let ((devices (operating-system-mapped-devices os)) (file-systems (operating-system-file-systems os))) (filter (lambda (md) (let ((users (mapped-device-users md file-systems))) (any file-system-needed-for-boot? users))) devices))) (define operating-system-bootloader-crypto-devices (mlambdaq (os) ;to avoid duplicated output "Return the sources of the LUKS mapped devices specified by UUID." ;; XXX: Device ordering is important, we trust the returned one. (let* ((luks-devices (filter (lambda (m) (eq? luks-device-mapping (mapped-device-type m))) (operating-system-boot-mapped-devices os))) (uuid-crypto-devices non-uuid-crypto-devices (partition (compose uuid? mapped-device-source) luks-devices))) (when (not (null? non-uuid-crypto-devices)) (for-each (lambda (dev) (warning (source-properties->location (mapped-device-location dev)) (G_ "mapped device '~a' may be ignored by bootloader~%") (mapped-device-source dev))) non-uuid-crypto-devices) (display-hint "Specify mapped device sources via their LUKS UUID.")) (map mapped-device-source uuid-crypto-devices)))) (define (device-mapping-services os) "Return the list of device-mapping services for OS as a list." (map device-mapping-service (operating-system-user-mapped-devices os))) (define-syntax-rule (warn-swap-devices-change value) (%warn-swap-devices-change value (current-source-location))) (define (%warn-swap-devices-change value location) (map (lambda (x) (unless (swap-space? x) (warning (source-properties->location location) (G_ "List elements of the field 'swap-devices' should \ now use the record, as the old method is deprecated. \ See \"(guix) operating-system Reference\" for more details.~%"))) x) value)) (define (swap-services os) "Return the list of swap services for OS." (define early-userspace-file-systems (filter file-system-needed-for-boot? (operating-system-file-systems os))) (define early-userspace-mapped-devices (operating-system-boot-mapped-devices os)) (define (filter-deps swap) (if (swap-space? swap) (swap-space (inherit swap) (dependencies (remove (lambda (dep) (or (member dep early-userspace-mapped-devices) (member dep early-userspace-file-systems))) (swap-space-dependencies swap)))) swap)) (map (compose swap-service filter-deps) (operating-system-swap-devices os))) (define (operating-system-kernel-file os) "Return an object representing the absolute file name of the kernel image of OS." (if (operating-system-hurd os) (file-append (operating-system-kernel os) "/boot/gnumach") (file-append (operating-system-kernel os) "/" (system-linux-image-file-name)))) (define %default-modprobe-blacklist ;; List of kernel modules to blacklist by default. '("usbmouse" ;races with bcm5974, see "usbkbd")) ;races with usbhid, see (define %default-kernel-arguments ;; Default arguments passed to the kernel. (list (string-append "modprobe.blacklist=" (string-join %default-modprobe-blacklist ",")) "quiet")) (define* (operating-system-directory-base-entries os) "Return the basic entries of the 'system' directory of OS for use as the value of the SYSTEM-SERVICE-TYPE service." (let* ((locale (operating-system-locale-directory os)) (kernel (operating-system-kernel os)) (hurd (operating-system-hurd os)) (initrd (and (not hurd) (operating-system-initrd-file os))) (params (operating-system-boot-parameters-file os))) `(,@(if hurd `(("hurd" ,hurd) ("kernel" ,kernel)) '()) ("parameters" ,params) ,@(if initrd `(("initrd" ,initrd)) '()) ("locale" ,locale)))) ;used by libc (define (operating-system-default-essential-services os) "Return the list of essential services for OS. These are special services that implement part of what's declared in OS are responsible for low-level bookkeeping." (define known-fs (map file-system-mount-point (operating-system-file-systems os))) (let* ((mappings (device-mapping-services os)) (root-fs (root-file-system-service)) (boot-fs (boot-file-system-service os)) (non-boot-fs (non-boot-file-system-service os)) (swaps (swap-services os)) (procs (service user-processes-service-type)) (host-name (operating-system-host-name os)) (hosts-file (%operating-system-hosts-file os)) (entries (operating-system-directory-base-entries os))) (cons* (service system-service-type entries) (service linux-builder-service-type (linux-builder-configuration (kernel (operating-system-kernel os)) (modules (operating-system-kernel-loadable-modules os)))) %boot-service ;; %SHEPHERD-ROOT-SERVICE must come last so that the gexp that ;; execs shepherd comes last in the boot script (XXX). Likewise, ;; the cleanup service must come first so that its gexp runs before ;; activation code. (service cleanup-service-type #f) %activation-service %shepherd-root-service (pam-root-service (operating-system-pam-services os)) (account-service (append (operating-system-accounts os) (operating-system-groups os)) (operating-system-skeletons os)) (operating-system-etc-service os) ;; XXX: hosts-file is deprecated (if hosts-file (simple-service 'deprecated-hosts-file etc-service-type (list `("hosts" ,hosts-file))) (service hosts-service-type (local-host-entries host-name))) (service fstab-service-type (filter file-system-needed-for-boot? (operating-system-file-systems os))) (session-environment-service (operating-system-environment-variables os)) (service host-name-service-type host-name) procs root-fs (service setuid-program-service-type (operating-system-setuid-programs os)) (service profile-service-type (operating-system-packages os)) boot-fs non-boot-fs (append mappings swaps ;; Add the firmware service. (list %linux-bare-metal-service (service firmware-service-type (operating-system-firmware os))))))) (define (hurd-default-essential-services os) (let ((host-name (operating-system-host-name os)) (hosts-file (%operating-system-hosts-file os)) (entries (operating-system-directory-base-entries os))) (list (service system-service-type entries) %boot-service %hurd-startup-service %activation-service (service shepherd-root-service-type) (service user-processes-service-type) (account-service (append (operating-system-accounts os) (operating-system-groups os)) (operating-system-skeletons os)) (root-file-system-service) (service file-system-service-type '()) (service fstab-service-type (filter file-system-needed-for-boot? (operating-system-file-systems os))) (pam-root-service (operating-system-pam-services os)) (operating-system-etc-service os) ;; XXX: hosts-file is deprecated (if hosts-file (simple-service 'deprecated-hosts-file etc-service-type (list `("hosts" ,hosts-file))) (service hosts-service-type (local-host-entries host-name))) (service setuid-program-service-type (operating-system-setuid-programs os)) (service profile-service-type (operating-system-packages os))))) (define* (operating-system-services os) "Return all the services of OS, including \"essential\" services." (instantiate-missing-services (append (operating-system-user-services os) (operating-system-essential-services os)))) (define (operating-system-with-gc-roots os roots) "Return a variant of OS where ROOTS are registered as GC roots." (operating-system (inherit os) ;; We use this procedure for the installation OS, which already defines GC ;; roots. Add ROOTS to those. (services (cons (simple-service 'extra-root gc-root-service-type roots) (operating-system-user-services os))))) (define (operating-system-configuration-file os) "Return the configuration file of OS, based on its 'location' field, or #f if it could not be determined." (let ((file (and=> (operating-system-location os) location-file))) (and file (or (and (string-prefix? "/" file) file) (search-path %load-path file))))) (define* (operating-system-with-provenance os #:optional (config-file (operating-system-configuration-file os))) "Return a variant of OS that stores its own provenance information, including CONFIG-FILE, if available. This is achieved by adding an instance of PROVENANCE-SERVICE-TYPE to its services." (operating-system (inherit os) (services (cons (service provenance-service-type config-file) (operating-system-user-services os))))) ;;; ;;; /etc. ;;; (define %base-firmware ;; Firmware usable by default. (list ath9k-htc-ar7010-firmware ath9k-htc-ar9271-firmware openfwwf-firmware)) (define %base-packages-artwork ;; Default set of artwork packages. (list guix-icons)) (define %base-packages-utils ;; Default set of utilities packages. (cons* procps psmisc which shadow ;for 'passwd' e2fsprogs ;for lsattr, chattr, etc. guile-3.0-latest ;; The packages below are also in %FINAL-INPUTS, so take them from ;; there to avoid duplication. (list bash coreutils findutils grep sed diffutils patch gawk tar gzip bzip2 xz lzip))) (define %base-packages-linux ;; Default set of linux specific packages. (list pciutils usbutils util-linux+udev ;; Get 'insmod' & co. from kmod, not module-init-tools, since udev ;; already depends on it anyway. kmod eudev)) (define %base-packages-interactive ;; Default set of common interactive packages. (list less mg nano nvi man-db info-reader ;the standalone Info reader (no Perl) bash-completion kbd ;; The 'sudo' command is already in %SETUID-PROGRAMS, but we also ;; want the other commands and the man pages (notably because ;; auto-completion in Emacs shell relies on man pages.) sudo guile-readline guile-colorized)) (define %base-packages-networking ;; Default set of networking packages. (list inetutils isc-dhcp iproute wget nss-certs ;; wireless-tools is deprecated in favor of iw, but it's still what ;; many people are familiar with, so keep it around. iw wireless-tools)) (define-deprecated %base-packages-disk-utilities #f '()) (define %base-packages ;; Default set of packages globally visible. It should include anything ;; required for basic administrator tasks. (append %base-packages-artwork %base-packages-interactive %base-packages-linux %base-packages-networking %base-packages-utils)) (define %default-issue ;; Default contents for /etc/issue. " This is the GNU system. Welcome.\n") (define-deprecated (local-host-aliases host-name) local-host-entries "Return aliases for HOST-NAME, to be used in /etc/hosts." (string-append "127.0.0.1 localhost " host-name "\n" "::1 localhost " host-name "\n")) (define (local-host-entries host-name) "Return records for @var{host-name}." (map (lambda (address) (host address "localhost" (list host-name))) '("127.0.0.1" "::1"))) (define (validated-sudoers-file file) "Return a copy of FILE, a sudoers file, after checking that it is syntactically correct." (computed-file "sudoers" (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (invoke #+(file-append sudo "/sbin/visudo") "--check" "--file" #$file) (copy-file #$file #$output))))) (define os-release (plain-file "os-release" "\ NAME=\"Guix System\" ID=guix PRETTY_NAME=\"Guix System\" LOGO=guix-icon HOME_URL=\"https://guix.gnu.org\" DOCUMENTATION_URL=\"https://guix.gnu.org/en/manual\" SUPPORT_URL=\"https://guix.gnu.org/en/help\" BUG_REPORT_URL=\"https://lists.gnu.org/mailman/listinfo/bug-guix\" ")) (define* (operating-system-etc-service os) "Return a that builds a directory containing the static part of the /etc directory." (let* ((login.defs (plain-file "login.defs" (string-append "# Default paths for non-login shells started by su(1).\n" "ENV_PATH /run/setuid-programs:" "/run/current-system/profile/bin:" "/run/current-system/profile/sbin\n" "ENV_SUPATH /run/setuid-programs:" "/run/current-system/profile/bin:" "/run/current-system/profile/sbin\n" "\n" "# Allow 'chfn' to change the full name,\n" "# room number, and so on.\n" "CHFN_RESTRICT frwh\n"))) (hurd (operating-system-hurd os)) (issue (plain-file "issue" (operating-system-issue os))) (nsswitch (and=> (operating-system-name-service-switch os) (compose (cut plain-file "nsswitch.conf" <>) name-service-switch->string))) (sudoers (operating-system-sudoers-file os)) ;; Startup file for POSIX-compliant login shells, which set system-wide ;; environment variables. (profile (mixed-text-file "profile" "\ # Crucial variables that could be missing in the profiles' 'etc/profile' # because they would require combining both profiles. # FIXME: See . export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info export XDG_DATA_DIRS=$HOME/.guix-profile/share:/run/current-system/profile/share export XDG_CONFIG_DIRS=$HOME/.guix-profile/etc/xdg:/run/current-system/profile/etc/xdg # Make sure libXcursor finds cursors installed into user or system profiles. See export XCURSOR_PATH=$HOME/.icons:$HOME/.guix-profile/share/icons:/run/current-system/profile/share/icons # Ignore the default value of 'PATH'. unset PATH # Load the system profile's settings. GUIX_PROFILE=/run/current-system/profile ; \\ . /run/current-system/profile/etc/profile # Since 'lshd' does not use pam_env, /etc/environment must be explicitly # loaded when someone logs in via SSH. See . # We need 'PATH' to be defined here, for 'cat' and 'cut'. Do this before # reading the user's 'etc/profile' to allow variables to be overridden. if [ -f /etc/environment -a -n \"$SSH_CLIENT\" \\ -a -z \"$LINUX_MODULE_DIRECTORY\" ] then . /etc/environment export `cat /etc/environment | cut -d= -f1` fi # Arrange so that ~/.config/guix/current comes first. for profile in \"$HOME/.guix-profile\" \"$HOME/.config/guix/current\" do if [ -f \"$profile/etc/profile\" ] then # Load the user profile's settings. GUIX_PROFILE=\"$profile\" ; \\ . \"$profile/etc/profile\" else # At least define this one so that basic things just work # when the user installs their first package. export PATH=\"$profile/bin:$PATH\" fi done # Prepend setuid programs. export PATH=/run/setuid-programs:$PATH # Arrange so that ~/.config/guix/current/share/info comes first. export INFOPATH=\"$HOME/.config/guix/current/share/info:$INFOPATH\" # Set the umask, notably for users logging in via 'lsh'. # See . umask 022 # Allow Hunspell-based applications (IceCat, LibreOffice, etc.) to # find dictionaries. export DICPATH=\"$HOME/.guix-profile/share/hunspell:/run/current-system/profile/share/hunspell\" # Allow GStreamer-based applications to find plugins. export GST_PLUGIN_PATH=\"$HOME/.guix-profile/lib/gstreamer-1.0\" if [ -n \"$BASH_VERSION\" -a -f /etc/bashrc ] then # Load Bash-specific initialization code. . /etc/bashrc fi ")) (bashrc (plain-file "bashrc" "\ # Bash-specific initialization. # Provide a default prompt. The user's ~/.bashrc can override it. PS1='\\u@\\h \\w${GUIX_ENVIRONMENT:+ [env]}\\$ ' # The 'bash-completion' package. if [ -f /run/current-system/profile/etc/profile.d/bash_completion.sh ] then # Bash-completion sources ~/.bash_completion. It installs a dynamic # completion loader that searches its own completion files as well # as those in ~/.guix-profile and /run/current-system/profile. source /run/current-system/profile/etc/profile.d/bash_completion.sh fi\n"))) (service etc-service-type `(("os-release" ,os-release) ("services" ,(file-append net-base "/etc/services")) ("protocols" ,(file-append net-base "/etc/protocols")) ("rpc" ,(file-append net-base "/etc/rpc")) ("login.defs" ,login.defs) ("issue" ,issue) ,@(if nsswitch `(("nsswitch.conf" ,nsswitch)) '()) ("profile" ,profile) ("bashrc" ,bashrc) ;; Write the operating-system-host-name to /etc/hostname to prevent ;; NetworkManager from changing the system's hostname when connecting ;; to certain networks. Some discussion at ;; https://lists.gnu.org/archive/html/help-guix/2017-09/msg00037.html ("hostname" ,(plain-file "hostname" (operating-system-host-name os))) ;; Some programs (e.g., GLib) look at /etc/timezone to find the ;; name of the current timezone. For details, see ;; https://lists.gnu.org/archive/html/guix-devel/2019-07/msg00166.html ;; Some programs expect a terminating newline. ("timezone" ,(plain-file "timezone" (string-append (string-trim-both (operating-system-timezone os)) "\n"))) ("localtime" ,(file-append tzdata "/share/zoneinfo/" (operating-system-timezone os))) ,@(if sudoers `(("sudoers" ,(validated-sudoers-file sudoers))) '()) ,@(if hurd `(("login" ,(file-append hurd "/etc/login")) ("motd" ,(file-append hurd "/etc/motd")) ("ttys" ,(file-append hurd "/etc/ttys"))) '()))))) (define %root-account ;; Default root account. (user-account (name "root") (password "") (uid 0) (group "root") (comment "System administrator") (home-directory "/root"))) (define (operating-system-accounts os) "Return the user accounts for OS, including an obligatory 'root' account, and excluding accounts requested by services." ;; Make sure there's a root account. (if (find (lambda (user) (and=> (user-account-uid user) zero?)) (operating-system-users os)) (operating-system-users os) (cons %root-account (operating-system-users os)))) (define (maybe-string->file file-name thing) "If THING is a string, return a with THING as its content. Otherwise just return THING. This is for backward-compatibility of fields that used to be strings and are now file-like objects.." (match thing ((? string?) (warning (G_ "using a string for file '~a' is deprecated; \ use 'plain-file' instead~%") file-name) (plain-file file-name thing)) (x x))) (define (maybe-file->monadic file-name thing) "If THING is a value in %STORE-MONAD, return it as is; otherwise return THING in the %STORE-MONAD. This is for backward-compatibility of fields that used to be monadic values and are now file-like objects." (with-monad %store-monad (match thing ((? procedure?) (warning (G_ "using a monadic value for '~a' is deprecated; \ use 'plain-file' instead~%") file-name) thing) (x (return x))))) (define (operating-system-etc-directory os) "Return that static part of the /etc directory of OS." (etc-directory (fold-services (operating-system-services os) #:target-type etc-service-type))) (define (operating-system-environment-variables os) "Return the environment variables of OS for @var{session-environment-service-type}, to be used in @file{/etc/environment}." `(("LANG" . ,(operating-system-locale os)) ;; Note: No need to set 'TZ' since (1) we provide /etc/localtime, and (2) ;; it doesn't work for setuid binaries. See . ("TZDIR" . ,(file-append tzdata "/share/zoneinfo")) ;; Tell 'modprobe' & co. where to look for modules. ("LINUX_MODULE_DIRECTORY" . "/run/booted-system/kernel/lib/modules") ;; These variables are honored by OpenSSL (libssl) and Git. ("SSL_CERT_DIR" . "/etc/ssl/certs") ("SSL_CERT_FILE" . "/etc/ssl/certs/ca-certificates.crt") ("GIT_SSL_CAINFO" . "/etc/ssl/certs/ca-certificates.crt") ;; 'GTK_DATA_PREFIX' must name one directory where GTK+ themes are ;; searched for. ("GTK_DATA_PREFIX" . "/run/current-system/profile") ;; By default, applications that use D-Bus, such as Emacs, abort at startup ;; when /etc/machine-id is missing. Make sure these warnings are non-fatal. ("DBUS_FATAL_WARNINGS" . "0"))) ;; Ensure LST is a list of records and warn otherwise. (define-with-syntax-properties (ensure-setuid-program-list (lst properties)) (%ensure-setuid-program-list lst properties)) ;; We want to be able to use defines, so define a procedure. (define (%ensure-setuid-program-list lst properties) (define warned? #f) (define (warn-once) (unless warned? (warning (source-properties->location properties) (G_ "representing setuid programs with file-like objects is \ deprecated; use 'setuid-program' instead~%")) (set! warned? #t))) (map (match-lambda ((? setuid-program? program) program) (program ;; PROGRAM is a file-like or a gexp like #~(string-append #$foo ;; "/bin/bar"). (warn-once) (setuid-program (program program)))) lst)) (define %setuid-programs ;; Default set of setuid-root programs. (let ((shadow (@ (gnu packages admin) shadow))) (map file-like->setuid-program (list (file-append shadow "/bin/passwd") (file-append shadow "/bin/chfn") (file-append shadow "/bin/sg") (file-append shadow "/bin/su") (file-append shadow "/bin/newgrp") (file-append shadow "/bin/newuidmap") (file-append shadow "/bin/newgidmap") (file-append inetutils "/bin/ping") (file-append inetutils "/bin/ping6") (file-append sudo "/bin/sudo") (file-append sudo "/bin/sudoedit") (file-append fuse-2 "/bin/fusermount") (file-append fuse "/bin/fusermount3") ;; To allow mounts with the "user" option, "mount" and "umount" must ;; be setuid-root. (file-append util-linux "/bin/mount") (file-append util-linux "/bin/umount"))))) (define %sudoers-specification ;; Default /etc/sudoers contents: 'root' and all members of the 'wheel' ;; group can do anything. See ;; . ;; TODO: Add a declarative API. (plain-file "sudoers" "\ root ALL=(ALL) ALL %wheel ALL=(ALL) ALL\n")) (define* (operating-system-activation-script os) "Return the activation script for OS---i.e., the code that \"activates\" the stateful part of OS, including user accounts and groups, special directories, etc." (let* ((services (operating-system-services os)) (activation (fold-services services #:target-type activation-service-type))) (activation-service->script activation))) (define* (operating-system-boot-script os) "Return the boot script for OS---i.e., the code started by the initrd once we're running in the final root." (let* ((services (operating-system-services os)) (boot (fold-services services #:target-type boot-service-type))) (service-value boot))) (define (operating-system-user-accounts os) "Return the list of user accounts of OS." (let* ((services (operating-system-services os)) (account (fold-services services #:target-type account-service-type))) (filter user-account? (service-value account)))) (define (operating-system-shepherd-service-names os) "Return the list of Shepherd service names for OS." (append-map shepherd-service-provision (shepherd-configuration-services (service-value (fold-services (operating-system-services os) #:target-type shepherd-root-service-type))))) (define* (operating-system-derivation os) "Return a derivation that builds OS." (let* ((services (operating-system-services os)) (system (fold-services services))) ;; SYSTEM contains the derivation as a monadic value. (service-value system))) (define* (operating-system-profile os) "Return a derivation that builds the system profile of OS." (mlet* %store-monad ((services -> (operating-system-services os)) (profile (fold-services services #:target-type profile-service-type))) (match profile (("profile" profile) (return profile))))) (define (operating-system-root-file-system os) "Return the root file system of OS." (or (find (lambda (fs) (string=? "/" (file-system-mount-point fs))) (operating-system-file-systems os)) (raise (condition (&message (message "missing root file system")) (&error-location (location (operating-system-location os))))))) (define (operating-system-initrd-file os) "Return a gexp denoting the initrd file of OS." (define boot-file-systems (filter file-system-needed-for-boot? (operating-system-file-systems os))) (define mapped-devices (operating-system-boot-mapped-devices os)) (define make-initrd (operating-system-initrd os)) (make-initrd boot-file-systems #:linux (operating-system-kernel os) #:linux-modules (operating-system-initrd-modules os) #:mapped-devices mapped-devices #:keyboard-layout (operating-system-keyboard-layout os))) (define* (operating-system-uuid os #:optional (type 'dce)) "Compute UUID object with a deterministic \"UUID\" for OS, of the given TYPE (one of 'iso9660 or 'dce). Return a UUID object." ;; Note: For this to be deterministic, we must not hash things that contains ;; (directly or indirectly) procedures, for example. That rules out ;; anything that contains gexps, thunk or delayed record fields, etc. (define service-name (compose service-type-name service-kind)) (define (file-system-digest fs) ;; Return a hashable digest that does not contain 'dependencies' since ;; this field can contain procedures. (let ((device (file-system-device fs))) (list (file-system-mount-point fs) (file-system-type fs) (file-system-device->string device) (file-system-options fs)))) (if (eq? type 'iso9660) (let ((pad (compose (cut string-pad <> 2 #\0) number->string)) (h (hash (map service-name (operating-system-services os)) 3600))) (bytevector->uuid (string->iso9660-uuid (string-append "1970-01-01-" (pad (hash (operating-system-host-name os) 24)) "-" (pad (quotient h 60)) "-" (pad (modulo h 60)) "-" (pad (hash (map file-system-digest (operating-system-file-systems os)) 100)))) 'iso9660)) (bytevector->uuid (uint-list->bytevector (list (hash (map file-system-digest (operating-system-file-systems os)) (- (expt 2 32) 1)) (hash (operating-system-host-name os) (- (expt 2 32) 1)) (hash (map service-name (operating-system-services os)) (- (expt 2 32) 1)) (hash (map file-system-digest (operating-system-file-systems os)) (- (expt 2 32) 1))) (endianness little) 4) type))) (define (locale-name->definition* name) "Variant of 'locale-name->definition' that raises an error upon failure." (match (locale-name->definition name) (#f (raise (formatted-message (G_ "~a: invalid locale name") name))) (def def))) (define (operating-system-locale-directory os) "Return the directory containing the locales compiled for the definitions listed in OS. The C library expects to find it under /run/current-system/locale." (define name (operating-system-locale os)) (define definitions ;; While we're at it, check whether NAME is defined and add it if needed. (if (member name (map locale-definition-name (operating-system-locale-definitions os))) (operating-system-locale-definitions os) (cons (locale-name->definition* name) (operating-system-locale-definitions os)))) (locale-directory definitions #:libcs (operating-system-locale-libcs os))) (define* (kernel->boot-label kernel #:key hurd) "Return a label for the bootloader menu entry that boots KERNEL." (cond ((package? hurd) (string-append "GNU with the " (string-titlecase (package-name hurd)) " " (package-version hurd))) ((package? kernel) (string-append "GNU with " (string-titlecase (package-name kernel)) " " (package-version kernel))) ((inferior-package? kernel) (string-append "GNU with " (string-titlecase (inferior-package-name kernel)) " " (inferior-package-version kernel))) (else "GNU"))) (define (operating-system-default-label os) "Return the default label for OS, as it will appear in the bootloader menu entry." (kernel->boot-label (operating-system-kernel os) #:hurd (operating-system-hurd os))) (define (store-file-system file-systems) "Return the file system object among FILE-SYSTEMS that contains the store." (match (filter (lambda (fs) (and (file-system-mount? fs) (not (memq 'bind-mount (file-system-flags fs))) (string-prefix? (file-system-mount-point fs) (%store-prefix)))) file-systems) ((and candidates (head . tail)) (reduce (lambda (fs1 fs2) (if (> (string-length (file-system-mount-point fs1)) (string-length (file-system-mount-point fs2))) fs1 fs2)) head candidates)))) (define (operating-system-store-file-system os) "Return the file system that contains the store of OS." (store-file-system (operating-system-file-systems os))) (define (operating-system-bootmeta os) "Return operating system information to be passed to the bootloader installers." (let* ((file-systems (operating-system-file-systems os)) (store-root (btrfs-store-subvolume-file-name file-systems)) (root-fs (operating-system-root-file-system os)) (locale (operating-system-locale os)) (crypto-devices (operating-system-bootloader-crypto-devices os))) (list #:store-crypto-devices crypto-devices #:store-directory-prefix store-root #:locale locale))) (define (operating-system-multiboot-modules os) (if (operating-system-hurd os) (hurd-multiboot-modules os) '())) (define (hurd-multiboot-modules os) (let* ((hurd (operating-system-hurd os)) (pci-arbiter-command (list (file-append hurd "/hurd/pci-arbiter.static") "pci-arbiter" "--host-priv-port='${host-port}'" "--device-master-port='${device-port}'" "--next-task='${disk-task}'" "'$(pci-task=task-create)'" "'$(task-resume)'")) (rumpdisk-command (list (file-append hurd "/hurd/rumpdisk.static") "rumpdisk" "--next-task='${fs-task}'" "'$(disk-task=task-create)'")) (root-file-system-command (list (file-append hurd "/hurd/ext2fs.static") "ext2fs" "--multiboot-command-line='${kernel-command-line}'" "--exec-server-task='${exec-task}'" "--store-type=typed" "--x-xattr-translator-records" "'${root}'" "'$(fs-task=task-create)'")) (target (%current-target-system)) (libc (if target (with-parameters ((%current-target-system #f)) ;; TODO: cross-libc has extra patches for the Hurd; ;; remove in next rebuild cycle (cross-libc target)) glibc)) (exec-server-command ;; XXX: Run the statically-linked 'exec' to work around ;; , which manifests on some ;; machines. ;; (list (file-append libc "/lib/ld.so.1") "exec" ;; (file-append hurd "/hurd/exec") "'$(exec-task=task-create)'") (list (file-append hurd "/hurd/exec.static") "exec" "'$(exec-task=task-create)'"))) (list pci-arbiter-command rumpdisk-command root-file-system-command exec-server-command))) (define* (operating-system-boot-parameters os root-device #:key system-kernel-arguments?) "Return a monadic record that describes the boot parameters of OS. When SYSTEM-KERNEL-ARGUMENTS? is true, add the kernel arguments 'root', 'gnu.load' and 'gnu.system' to . The SYSTEM-KERNEL-ARGUMENTS? should only be used in necessity, as the 'gnu.load' and 'gnu.system' values are self-referential (they refer to the system), thus susceptible to introduce a cyclic dependency." (let* ((initrd (and (not (operating-system-hurd os)) (operating-system-initrd-file os))) (store (operating-system-store-file-system os)) (file-systems (operating-system-file-systems os)) (crypto-devices (operating-system-bootloader-crypto-devices os)) (locale (operating-system-locale os)) (bootloader (map bootloader-configuration-bootloader (operating-system-bootloader os))) (bootloader-name (map bootloader-name bootloader)) (label (operating-system-label os)) (multiboot-modules (operating-system-multiboot-modules os))) (boot-parameters (label label) (root-device root-device) (kernel (operating-system-kernel-file os)) (kernel-arguments (if system-kernel-arguments? (operating-system-kernel-arguments os root-device) (operating-system-user-kernel-arguments os))) (initrd initrd) (multiboot-modules multiboot-modules) (bootloader-name bootloader-name) (bootloader-menu-entries (bootloader-configuration-menu-entries (operating-system-bootloader os))) (locale locale) (store-device (ensure-not-/dev (file-system-device store))) (store-directory-prefix (btrfs-store-subvolume-file-name file-systems)) (store-crypto-devices crypto-devices) (store-mount-point (file-system-mount-point store))))) (define (device->sexp device) "Serialize DEVICE as an sexp (really, as an object with a read syntax.)" (match device ((? uuid? uuid) `(uuid ,(uuid-type uuid) ,(uuid-bytevector uuid))) ((? file-system-label? label) `(file-system-label ,(file-system-label->string label))) (_ device))) (define* (operating-system-boot-parameters-file os) "Return a file that describes the boot parameters of OS. The primary use of this file is the reconstruction of GRUB menu entries for old configurations." (let* ((root (operating-system-root-file-system os)) (device (file-system-device root)) (params (operating-system-boot-parameters os device))) (scheme-file "parameters" #~(boot-parameters (version #$(boot-parameters-version params)) (label #$(boot-parameters-label params)) (root-device #$(device->sexp (boot-parameters-root-device params))) (kernel #$(boot-parameters-kernel params)) (kernel-arguments #$(boot-parameters-kernel-arguments params)) #$@(if (boot-parameters-initrd params) #~((initrd #$(boot-parameters-initrd params))) #~()) #$@(if (pair? (boot-parameters-multiboot-modules params)) #~((multiboot-modules #$(boot-parameters-multiboot-modules params))) #~()) (bootloader-name #$(boot-parameters-bootloader-name params)) (bootloader-menu-entries #$(map menu-entry->sexp (or (and=> (operating-system-bootloader os) bootloader-configuration-menu-entries) '()))) (locale #$(boot-parameters-locale params)) (store (device #$(device->sexp (boot-parameters-store-device params))) (mount-point #$(boot-parameters-store-mount-point params)) (directory-prefix #$(boot-parameters-store-directory-prefix params)) (crypto-devices #$(map device->sexp (boot-parameters-store-crypto-devices params))))) #:set-load-path? #f))) (define-gexp-compiler (operating-system-compiler (os ) system target) ((store-lift (lambda (store) ;; XXX: This is not super elegant but we can't pass SYSTEM and TARGET to ;; 'operating-system-derivation'. (parameterize ((%current-system system) (%current-target-system target)) (run-with-store store (mbegin %store-monad (set-guile-for-build (default-guile)) (operating-system-derivation os)) #:system system #:target target)))))) ;;; system.scm ends here