58 lines
2.2 KiB
Scheme
58 lines
2.2 KiB
Scheme
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;;; 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 (ice-9 match)
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#:export (passwd-file))
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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* (passwd-file store accounts #:key shadow?)
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"Return a password file for ACCOUNTS, a list of vectors as returned by
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'getpwnam'. If SHADOW? is true, then it is a /etc/shadow file, otherwise it
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is a /etc/passwd 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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(let loop ((accounts accounts)
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(result '()))
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(match accounts
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((#(name pass uid gid comment home-dir shell) rest ...)
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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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(string-join (reverse result) "\n" 'suffix)))))
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(add-text-to-store store (if shadow? "shadow" "passwd")
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contents '()))
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;;; shadow.scm ends here
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