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authorLudovic Courtès <ludo@gnu.org>2013-09-11 22:36:50 +0200
committerLudovic Courtès <ludo@gnu.org>2013-09-11 22:36:50 +0200
commit0ded70f37d47579ca058f2f4ca27335129a96e25 (patch)
tree87f4be8fc34201c75aebe6fb4e335e0078a0fffc /gnu/system/shadow.scm
parentaedb72fbe07b82da00f6c7a397794d465c217135 (diff)
gnu: Move helper code to (gnu system …) modules.
* gnu/packages/grub.scm (<menu-entry>, grub-configuration-file): Move to... * gnu/system/grub.scm: ... here. New file. * gnu/packages/linux.scm (<pam-service>, <pam-entry>, pam-service->configuration, pam-service->directory, %pam-other-services, unix-pam-service): Move to... * gnu/system/linux.scm: ... here. New file. * gnu/system/vm.scm (passwd-file): Move to... * gnu/system/shadow.scm: ... here. New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/system/{grub,linux,shadow}.scm.
Diffstat (limited to 'gnu/system/shadow.scm')
-rw-r--r--gnu/system/shadow.scm57
1 files changed, 57 insertions, 0 deletions
diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
new file mode 100644
index 0000000000..71f8e0d771
--- /dev/null
+++ b/gnu/system/shadow.scm
@@ -0,0 +1,57 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 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 store)
+ #:use-module (ice-9 match)
+ #:export (passwd-file))
+
+;;; Commentary:
+;;;
+;;; Utilities for configuring the Shadow tool suite ('login', 'passwd', etc.)
+;;;
+;;; Code:
+
+(define* (passwd-file store accounts #:key shadow?)
+ "Return a password file for ACCOUNTS, a list of vectors as returned by
+'getpwnam'. If SHADOW? is true, then it is a /etc/shadow file, otherwise it
+is a /etc/passwd file."
+ ;; XXX: The resulting file is world-readable, so beware when SHADOW? is #t!
+ (define contents
+ (let loop ((accounts accounts)
+ (result '()))
+ (match accounts
+ ((#(name pass uid gid comment home-dir shell) rest ...)
+ (loop rest
+ (cons (if shadow?
+ (string-append name
+ ":" ; XXX: use (crypt PASS …)?
+ ":::::::")
+ (string-append name
+ ":" "x"
+ ":" (number->string uid)
+ ":" (number->string gid)
+ ":" comment ":" home-dir ":" shell))
+ result)))
+ (()
+ (string-join (reverse result) "\n" 'suffix)))))
+
+ (add-text-to-store store (if shadow? "shadow" "passwd")
+ contents '()))
+
+;;; shadow.scm ends here