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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2022 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; 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 setuid)
#:use-module (gnu system privilege)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
#:export (setuid-program
setuid-program?
setuid-program-program
setuid-program-setuid?
setuid-program-setgid?
setuid-program-user
setuid-program-group
file-like->setuid-program))
;;; Commentary:
;;;
;;; Do not use this module in new code. It used to define data structures
;;; representing setuid/setgid programs, but is now a mere compatibility shim
;;; wrapping a subset of (gnu system privilege).
;;;
;;; Code:
(define-syntax setuid-program
(lambda (fields)
(syntax-case fields ()
((_ (field value) ...)
#`(privileged-program
(setuid? (match (assoc-ref '((field value) ...) 'setuid?)
((#f) #f)
(_ #t)))
#,@(remove (match-lambda ((f _) (eq? (syntax->datum f) 'setuid?)))
#'((field value) ...)))))))
(define setuid-program? privileged-program?)
(define setuid-program-program privileged-program-program)
(define setuid-program-setuid? privileged-program-setuid?)
(define setuid-program-setgid? privileged-program-setgid?)
(define setuid-program-user privileged-program-user)
(define setuid-program-group privileged-program-group)
(define (file-like->setuid-program program)
(setuid-program (program program)))
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