b5f4e68635
* gnu/services.scm (<service>)[inputs]: Remove. * gnu/system.scm (links): Remove. (etc-directory): Add PASSWD and SHADOW to #:inputs. (operating-system-boot-script): Pass ETC to 'dmd-configuration-file'. (operating-system-derivation): Remove EXTRAS from the union. * gnu/system/linux.scm (pam-service->configuration): Rewrite in terms of 'gexp->derivation'. Compute the contents on the build side. Expect 'arguments' to contain a list of gexps. (pam-services->directory): Rewrite in terms of 'gexp->derivation'. (unix-pam-service): Change 'arguments' to a list of one gexp. * gnu/system/shadow.scm (<user-account>)[inputs]: Remove. [shell]: Change default value to a gexp. (passwd-file): Rewrite in terms of 'gexp->derivation'. Compute contents on the build side. * gnu/services/base.scm (host-name-service, mingetty-service, nscd-service, syslog-service, guix-service): Change 'start' and 'stop' to gexps; remove 'inputs' field. (guix-build-accounts): Change 'shell' field to a gexp. * gnu/services/networking.scm (static-networking-service): Change 'start' and 'stop' to gexps; remove 'inputs' field. * gnu/services/xorg.scm (slim-service): Likewise. * gnu/services/dmd.scm (dmd-configuration-file): Expect ETC to be a derivation. Change 'config' to a gexp. Use 'gexp->file' instead of 'text-file'. * doc/guix.texi (Defining Services): Update nscd example with gexps, and without 'inputs'. Add xref to "G-Expressions".
118 lines
3.9 KiB
Scheme
118 lines
3.9 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 store)
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#:use-module (guix records)
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#:use-module (guix packages)
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#:use-module (guix gexp)
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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-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 ; gexp
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(default #~(string-append #$bash "/bin/bash"))))
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(define-record-type* <user-group>
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user-group make-user-group
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user-group?
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(name user-group-name)
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(password user-group-password (default #f))
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(id user-group-id)
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(members user-group-members (default '())))
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(define (group-file groups)
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"Return a /etc/group file for GROUPS, a list of <user-group> objects."
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(define contents
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(let loop ((groups groups)
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(result '()))
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(match groups
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((($ <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 account-exp
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(match-lambda
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(($ <user-account> name pass uid gid comment home-dir shell)
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(if shadow? ; XXX: use (crypt PASS …)?
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#~(format #t "~a::::::::~%" #$name)
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#~(format #t "~a:x:~a:~a:~a:~a:~a~%"
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#$name #$(number->string uid) #$(number->string gid)
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#$comment #$home-dir #$shell)))))
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(define builder
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#~(begin
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(with-output-to-file #$output
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(lambda ()
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#$@(map account-exp accounts)
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#t))))
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(gexp->derivation (if shadow? "shadow" "passwd") builder))
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;;; shadow.scm ends here
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