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114 lines
4.1 KiB
Scheme
114 lines
4.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 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 accounts)
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#:use-module (guix records)
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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-password
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user-account-uid
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user-account-group
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user-account-supplementary-groups
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user-account-comment
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user-account-home-directory
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user-account-create-home-directory?
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user-account-shell
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user-account-system?
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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-system?
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sexp->user-account
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sexp->user-group
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default-shell))
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;;; Commentary:
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;;;
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;;; Data structures representing user accounts and user groups. This is meant
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;;; to be used both on the host side and at run time--e.g., in activation
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;;; snippets.
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;;;
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;;; Code:
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(define default-shell
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;; Default shell for user accounts (a string or string-valued gexp).
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(make-parameter "/bin/sh"))
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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-password (default #f))
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(uid user-account-uid (default #f))
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(group user-account-group) ; number | string
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(supplementary-groups user-account-supplementary-groups
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(default '())) ; list of strings
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(comment user-account-comment (default ""))
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(home-directory user-account-home-directory (thunked)
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(default (default-home-directory this-record)))
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(create-home-directory? user-account-create-home-directory? ;Boolean
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(default #t))
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(shell user-account-shell ; gexp
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(default (default-shell)))
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(system? user-account-system? ; Boolean
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(default #f)))
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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 (default #f))
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(system? user-group-system? ; Boolean
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(default #f)))
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(define (default-home-directory account)
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"Return the default home directory for ACCOUNT."
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(string-append "/home/" (user-account-name account)))
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(define (sexp->user-group sexp)
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"Take SEXP, a tuple as returned by 'user-group->gexp', and turn it into a
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user-group record."
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(match sexp
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((name password id system?)
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(user-group (name name)
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(password password)
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(id id)
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(system? system?)))))
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(define (sexp->user-account sexp)
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"Take SEXP, a tuple as returned by 'user-account->gexp', and turn it into a
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user-account record."
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(match sexp
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((name uid group supplementary-groups comment home-directory
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create-home-directory? shell password system?)
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(user-account (name name) (uid uid) (group group)
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(supplementary-groups supplementary-groups)
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(comment comment)
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(home-directory home-directory)
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(create-home-directory? create-home-directory?)
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(shell shell) (password password)
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(system? system?)))))
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