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home: services: ssh: Allow unset boolean options in ssh-config.

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From man 5 ssh_config:
Unless noted otherwise, for each parameter, the first obtained value
will be used.

We want to allow falling through to the first explicitly chosen user
defined value.

* gnu/home/services.ssh.scm (define-maybe boolean): New configuration.
(openssh-host)[forward-x11?, forward-x11-trusted?, forward-agent?,
compression?]: Replace default value with maybe-boolean.
* doc/guix.texi (Secure Shell): Update documentation to match the
changes in the code.
This commit is contained in:
Efraim Flashner 2023-05-29 17:30:58 +03:00
parent f8cf3982ff
commit 87cf2a859d
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2 changed files with 12 additions and 9 deletions
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10
doc/guix.texi
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@ -33,7 +33,7 @@ Copyright @copyright{} 2015, 2016, 2017, 2019, 2020, 2021, 2023 Leo Famulari@*
Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Ricardo Wurmus@*
Copyright @copyright{} 2016 Ben Woodcroft@*
Copyright @copyright{} 2016, 2017, 2018, 2021 Chris Marusich@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020, 2021, 2022 Efraim Flashner@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Efraim Flashner@*
Copyright @copyright{} 2016 John Darrington@*
Copyright @copyright{} 2016, 2017 Nikita Gillmann@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Jan Nieuwenhuizen@*
@ -43129,19 +43129,19 @@ TCP port number to connect to.
@item @code{user} (type: maybe-string)
User name on the remote host.
@item @code{forward-x11?} (default: @code{#f}) (type: boolean)
@item @code{forward-x11?} (type: maybe-boolean)
Whether to forward remote client connections to the local X11 graphical
display.
@item @code{forward-x11-trusted?} (default: @code{#f}) (type: boolean)
@item @code{forward-x11-trusted?} (type: maybe-boolean)
Whether remote X11 clients have full access to the original X11
graphical display.
@item @code{forward-agent?} (default: @code{#f}) (type: boolean)
@item @code{forward-agent?} (type: maybe-boolean)
Whether the authentication agent (if any) is forwarded to the remote
machine.
@item @code{compression?} (default: @code{#f}) (type: boolean)
@item @code{compression?} (type: maybe-boolean)
Whether to compress data in transit.
@item @code{proxy} (type: maybe-proxy-command-or-jump-list)

11
gnu/home/services/ssh.scm
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@ -2,6 +2,7 @@
;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2023 Nicolas Graves <ngraves@ngraves.fr>
;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
@ -118,6 +119,8 @@
(string-append " " (serialize-field-name field) " "
(number->string value) "\n"))
(define-maybe boolean)
(define (serialize-boolean field value)
(string-append " " (serialize-field-name field) " "
(if value "yes" "no") "\n"))
@ -235,19 +238,19 @@ Additionally, the field can be left unset to allow any address family.")
maybe-string
"User name on the remote host.")
(forward-x11?
(boolean #f)
maybe-boolean
"Whether to forward remote client connections to the local X11 graphical
display.")
(forward-x11-trusted?
(boolean #f)
maybe-boolean
"Whether remote X11 clients have full access to the original X11 graphical
display.")
(forward-agent?
(boolean #f)
maybe-boolean
"Whether the authentication agent (if any) is forwarded to the remote
machine.")
(compression?
(boolean #f)
maybe-boolean
"Whether to compress data in transit.")
(proxy-command
maybe-string