9099f8bdcc
* gnu/system/setuid.scm (setuid-program): Rewrite as syntax to create a <privileged-program> record that is setuid by default. (setuid-program?, setuid-program-program, setuid-program-setuid?) (setuid-program-setgid?, setuid-program-user, setuid-program-group): Alias their privileged-program equivalent.
62 lines
2.3 KiB
Scheme
62 lines
2.3 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re>
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;;; Copyright © 2022 Tobias Geerinckx-Rice <me@tobias.gr>
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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 setuid)
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#:use-module (gnu system privilege)
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:export (setuid-program
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setuid-program?
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setuid-program-program
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setuid-program-setuid?
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setuid-program-setgid?
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setuid-program-user
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setuid-program-group
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file-like->setuid-program))
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;;; Commentary:
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;;;
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;;; Do not use this module in new code. It used to define data structures
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;;; representing setuid/setgid programs, but is now a mere compatibility shim
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;;; wrapping a subset of (gnu system privilege).
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;;;
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;;; Code:
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(define-syntax setuid-program
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(lambda (fields)
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(syntax-case fields ()
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((_ (field value) ...)
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#`(privileged-program
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(setuid? (match (assoc-ref '((field value) ...) 'setuid?)
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((#f) #f)
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(_ #t)))
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#,@(remove (match-lambda ((f _) (eq? (syntax->datum f) 'setuid?)))
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#'((field value) ...)))))))
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(define setuid-program? privileged-program?)
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(define setuid-program-program privileged-program-program)
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(define setuid-program-setuid? privileged-program-setuid?)
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(define setuid-program-setgid? privileged-program-setgid?)
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(define setuid-program-user privileged-program-user)
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(define setuid-program-group privileged-program-group)
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(define (file-like->setuid-program program)
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(setuid-program (program program)))
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