9de46ffb1c
* gnu/packages/version-control.scm, gnu/packages/vim.scm,
gnu/system.scm, gnu/system/dmd.scm, gnu/system/shadow.scm,
gnu/system/vm.scm: Change references to (gnu packages system) to (gnu
packages admin).
This is a followup to commit 4aeea89.
125 lines
4.4 KiB
Scheme
125 lines
4.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013 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 store)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module (guix monads)
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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 (srfi srfi-1)
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#:use-module (ice-9 match)
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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-pass
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user-account-uid
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user-account-gid
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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-inputs
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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-members
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passwd-file
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group-file
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guix-build-accounts))
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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-pass (default ""))
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(uid user-account-uid)
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(gid user-account-gid)
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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 ; monadic value
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(default (package-file bash "bin/bash")))
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(inputs user-account-inputs (default `(("bash" ,bash)))))
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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)
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(members user-group-members (default '())))
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(define (group-file groups)
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"Return a /etc/group file for GROUPS, a list of <user-group> objects."
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(define contents
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(let loop ((groups groups)
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(result '()))
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(match groups
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((($ <user-group> name _ gid (users ...)) rest ...)
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;; XXX: Ignore the group password.
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(loop rest
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(cons (string-append name "::" (number->string gid)
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":" (string-join users ","))
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result)))
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(()
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(string-join (reverse result) "\n" 'suffix)))))
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(text-file "group" contents))
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(define* (passwd-file accounts #:key shadow?)
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"Return a password file for ACCOUNTS, a list of <user-account> objects. If
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SHADOW? is true, then it is a /etc/shadow file, otherwise it is a /etc/passwd
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file."
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;; XXX: The resulting file is world-readable, so beware when SHADOW? is #t!
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(define (contents)
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(with-monad %store-monad
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(let loop ((accounts accounts)
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(result '()))
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(match accounts
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((($ <user-account> name pass uid gid comment home-dir mshell)
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rest ...)
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(mlet %store-monad ((shell mshell))
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(loop rest
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(cons (if shadow?
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(string-append name
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":" ; XXX: use (crypt PASS …)?
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":::::::")
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(string-append name
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":" "x"
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":" (number->string uid)
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":" (number->string gid)
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":" comment ":" home-dir ":" shell))
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result))))
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(()
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(return (string-join (reverse result) "\n" 'suffix)))))))
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(mlet %store-monad ((contents (contents)))
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(text-file (if shadow? "shadow" "passwd") contents)))
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;;; shadow.scm ends here
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