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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu system shadow)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module ((gnu packages admin)
#:select (shadow))
#:use-module (gnu packages bash)
#:use-module (gnu packages guile-wm)
#:export (user-account
user-account?
user-account-name
user-account-password
user-account-uid
user-account-group
user-account-supplementary-groups
user-account-comment
user-account-home-directory
user-account-shell
user-group
user-group?
user-group-name
user-group-password
user-group-id
default-skeletons
skeleton-directory
%base-groups))
;;; Commentary:
;;;
;;; Utilities for configuring the Shadow tool suite ('login', 'passwd', etc.)
;;;
;;; Code:
(define-record-type* <user-account>
user-account make-user-account
user-account?
(name user-account-name)
(password user-account-password (default #f))
(uid user-account-uid (default #f))
(group user-account-group) ; number | string
(supplementary-groups user-account-supplementary-groups
(default '())) ; list of strings
(comment user-account-comment (default ""))
(home-directory user-account-home-directory)
(shell user-account-shell ; gexp
(default #~(string-append #$bash "/bin/bash"))))
(define-record-type* <user-group>
user-group make-user-group
user-group?
(name user-group-name)
(password user-group-password (default #f))
(id user-group-id (default #f)))
(define %base-groups
;; Default set of groups.
(list (user-group (name "root") (id 0))
(user-group (name "wheel")) ; root-like users
(user-group (name "users")) ; normal users
(user-group (name "nogroup")) ; for daemons etc.
;; The following groups are conventionally used by things like udev to
;; control access to hardware devices.
(user-group (name "tty"))
(user-group (name "dialout"))
(user-group (name "kmem"))
(user-group (name "video"))
(user-group (name "audio"))
(user-group (name "lp"))
(user-group (name "disk"))
(user-group (name "floppy"))
(user-group (name "cdrom"))
(user-group (name "tape"))))
(define (default-skeletons)
"Return the default skeleton files for /etc/skel. These files are copied by
'useradd' in the home directory of newly created user accounts."
(define copy-guile-wm
#~(begin
(use-modules (guix build utils))
(copy-file (car (find-files #$guile-wm "wm-init-sample.scm"))
#$output)))
(mlet %store-monad ((bashrc (text-file "bashrc" "\
# Allow non-login shells such as an xterm to get things right.
test -f /etc/profile && source /etc/profile\n"))
(guile-wm (gexp->derivation "guile-wm" copy-guile-wm
#:modules
'((guix build utils))))
(xdefaults (text-file "Xdefaults" "\
XTerm*utf8: always
XTerm*metaSendsEscape: true\n"))
(gdbinit (text-file "gdbinit" "\
# Tell GDB where to look for separate debugging files.
set debug-file-directory ~/.guix-profile/lib/debug\n")))
(return `((".bashrc" ,bashrc)
(".Xdefaults" ,xdefaults)
(".guile-wm" ,guile-wm)
(".gdbinit" ,gdbinit)))))
(define (skeleton-directory skeletons)
"Return a directory containing SKELETONS, a list of name/derivation pairs."
(gexp->derivation "skel"
#~(begin
(use-modules (ice-9 match))
(mkdir #$output)
(chdir #$output)
;; Note: copy the skeletons instead of symlinking
;; them like 'file-union' does, because 'useradd'
;; would just copy the symlinks as is.
(for-each (match-lambda
((target source)
(copy-file source target)))
'#$skeletons)
#t)))
;;; shadow.scm ends here
|
