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