mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-11-07 15:36:20 -05:00
b0715d7cd2
* guix/packages.scm (%standard-patch-inputs): Use
‘libc-utf8-locales-for-target’ instead of ‘glibc-utf8-locales’.
* guix/self.scm (%packages): Likewise.
* gnu/home/services/ssh.scm (file-join): Likewise
* gnu/installer.scm (build-compiled-file): Likewise.
* gnu/packages/chromium.scm (ungoogled-chromium/wayland): Likewise.
* gnu/packages/gnome.scm (libgweather4, tracker): Likewise.
* gnu/packages/javascript.scm (js-mathjax): Likewise.
* gnu/packages/package-management.scm (guix, flatpak): Likewise.
* gnu/packages/raspberry-pi.scm (raspi-arm64-chainloader): Likewise.
* gnu/packages/suckless.scm (svkbd): Likewise.
* gnu/services.scm (cleanup-gexp): Likewise.
* gnu/services/base.scm (guix-publish-shepherd-service): Likewise.
* gnu/services/guix.scm (guix-build-coordinator-shepherd-services)
(guix-build-coordinator-agent-shepherd-services): Likewise.
* gnu/services/guix.scm (guix-build-coordinator-queue-builds-shepherd-services):
(guix-data-service-shepherd-services)
(nar-herder-shepherd-services)
(bffe-shepherd-services): Likewise.
* gnu/services/web.scm (anonip-shepherd-service)
(mumi-shepherd-services): Likewise.
* gnu/system/image.scm (system-disk-image, system-iso9660-image)
(system-docker-image, system-tarball-image): Likewise.
* gnu/system/install.scm (%installation-services): Likewise.
* guix/profiles.scm (info-dir-file): Likewise.
(ca-certificate-bundle, profile-derivation): Likewise.
* guix/scripts/pack.scm (store-database, set-utf8-locale): Likewise.
* tests/pack.scm: Likewise.
* tests/profiles.scm ("profile-derivation, cross-compilation"):
Likewise.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
Co-authored-by: Christopher Baines <mail@cbaines.net>
Change-Id: I24239f427bcc930c29d2ba5d00dc615960a6c374
465 lines
18 KiB
Scheme
465 lines
18 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2023 Janneke Nieuwenhuizen <janneke@gnu.org>
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;;; Copyright © 2023 Nicolas Graves <ngraves@ngraves.fr>
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;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il>
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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 home services ssh)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (guix deprecation)
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#:use-module (guix diagnostics)
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#:use-module (guix i18n)
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#:use-module ((guix utils) #:select (%current-system))
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#:use-module (gnu services)
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#:use-module (gnu services configuration)
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#:use-module (guix modules)
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#:use-module (gnu home services)
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#:use-module (gnu home services shepherd)
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#:use-module ((gnu home services utils)
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#:select (object->camel-case-string))
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#:autoload (gnu packages base) (libc-utf8-locales-for-target)
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#:use-module (gnu packages ssh)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-9)
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#:use-module (srfi srfi-9 gnu)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-35)
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#:use-module (ice-9 match)
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#:autoload (ice-9 regex) (string-match match:substring)
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#:export (home-openssh-configuration
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home-openssh-configuration-authorized-keys
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home-openssh-configuration-known-hosts
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home-openssh-configuration-hosts
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home-openssh-configuration-add-keys-to-agent
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home-openssh-configuration?
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home-ssh-agent-configuration
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home-ssh-agent-openssh
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home-ssh-agent-socket-directory
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home-ssh-agent-extra-options
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home-ssh-agent-configuration?
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openssh-host
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openssh-host-host-name
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openssh-host-match-criteria
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openssh-host-identity-file
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openssh-host-name
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openssh-host-port
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openssh-host-user
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openssh-host-forward-x11?
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openssh-host-forward-x11-trusted?
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openssh-host-forward-agent?
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openssh-host-compression?
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openssh-host-proxy-command
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openssh-host-host-key-algorithms
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openssh-host-accepted-key-types
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openssh-host-extra-content
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proxy-jump
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proxy-jump-host-name
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proxy-jump-port
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proxy-jump-user
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proxy-command
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proxy-command->string
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home-openssh-service-type
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home-ssh-agent-service-type))
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(define (serialize-field-name name)
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(match name
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('accepted-key-types "PubkeyAcceptedKeyTypes")
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(_
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(let ((name (let ((str (symbol->string name)))
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(if (string-suffix? "?" str)
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(string->symbol (string-drop-right str 1))
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name))))
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(object->camel-case-string name 'upper)))))
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(define (serialize-string field value)
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(string-append " " (serialize-field-name field)
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" " value "\n"))
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(define (address-family? obj)
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(memv obj (list AF_INET AF_INET6)))
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(define-maybe address-family)
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(define (serialize-address-family field family)
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(if (maybe-value-set? family)
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(string-append " " (serialize-field-name field) " "
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(cond ((= family AF_INET) "inet")
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((= family AF_INET6) "inet6")
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;; The 'else' branch is unreachable.
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(else
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(raise
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(formatted-message
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(G_ "~s: invalid address family value")
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family))))
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"\n")
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""))
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(define (natural-number? obj)
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(and (integer? obj) (exact? obj) (> obj 0)))
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(define (serialize-natural-number field value)
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(string-append " " (serialize-field-name field) " "
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(number->string value) "\n"))
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(define-maybe boolean)
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(define (serialize-boolean field value)
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(string-append " " (serialize-field-name field) " "
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(if value "yes" "no") "\n"))
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(define-maybe string)
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(define-maybe natural-number)
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(define (serialize-raw-configuration-string field value)
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(string-append value "\n"))
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(define raw-configuration-string? string?)
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(define (string-list? lst)
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(and (pair? lst) (every string? lst)))
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(define (serialize-string-list field lst)
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(string-append " " (serialize-field-name field) " "
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(string-join lst ",") "\n"))
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(define-maybe string-list)
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(define-record-type <proxy-command>
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(proxy-command command)
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proxy-command?
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(command proxy-command->string))
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(set-record-type-printer! <proxy-command>
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(lambda (obj port)
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(format port "#<proxy-command ~s>" (proxy-command->string obj))))
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(define-configuration/no-serialization proxy-jump
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(user
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maybe-string
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"User name on the remote host.")
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(host-name
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(string)
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"Host name---e.g., @code{foo.example.org} or @code{192.168.1.2}.")
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(port
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maybe-natural-number
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"TCP port number to connect to."))
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(define (proxy-jump->string proxy-jump)
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(match-record proxy-jump <proxy-jump>
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(host-name user port)
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(string-append
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(if (maybe-value-set? user) (string-append user "@") "")
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host-name
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(if (maybe-value-set? port) (string-append ":" (number->string port)) ""))))
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(define (proxy-command-or-jump-list? x)
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(or (proxy-command? x)
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(and (list? x)
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(every proxy-jump? x))))
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(define (serialize-proxy-command-or-jump-list field value)
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(if (proxy-command? value)
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(serialize-string 'proxy-command (proxy-command->string value))
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(serialize-string-list 'proxy-jump (map proxy-jump->string value))))
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(define-maybe proxy-command-or-jump-list)
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(define (sanitize-proxy-command properties)
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(lambda (value)
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(when (maybe-value-set? value)
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(warn-about-deprecation 'proxy-command properties #:replacement 'proxy))
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(unless (maybe-string? value)
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(configuration-field-error (source-properties->location properties) 'proxy-command value))
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value))
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(define ssh-match-keywords
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'(canonical final exec host originalhost user localuser))
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(define (match-criteria? str)
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;; Rule out the case of "all" keyword.
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(if (member str '("all"
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"canonical all"
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"final all"))
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#t
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(let* ((first (string-take str (string-index str #\ )))
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(keyword (string->symbol (if (string-prefix? "!" first)
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(string-drop first 1)
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first))))
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(memq keyword ssh-match-keywords))))
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(define (serialize-match-criteria _ value)
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(string-append "Match " value "\n"))
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(define-maybe match-criteria)
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(define-configuration openssh-host
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(name
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maybe-string
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"Name of this host declaration. A @code{openssh-host} must define only
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@code{name} or @code{match-criteria}. Use host-name @code{\"*\"} for
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top-level options.")
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(host-name
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maybe-string
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"Host name---e.g., @code{\"foo.example.org\"} or @code{\"192.168.1.2\"}.")
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(match-criteria
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maybe-match-criteria
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"When specified, this string denotes the set of hosts to which the entry
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applies, superseding the @code{host-name} field. Its first element must be
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all or one of @code{ssh-match-keywords}. The rest of the elements are
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arguments for the keyword, or other criteria. A @code{openssh-host} must
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define only @code{name} or @code{match-criteria}. Other host configuration
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options will apply to all hosts matching @code{match-criteria}.")
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(address-family
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maybe-address-family
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"Address family to use when connecting to this host: one of
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@code{AF_INET} (for IPv4 only), @code{AF_INET6} (for IPv6 only).
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Additionally, the field can be left unset to allow any address family.")
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(identity-file
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maybe-string
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"The identity file to use---e.g.,
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@code{\"/home/charlie/.ssh/id_ed25519\"}.")
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(port
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maybe-natural-number
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"TCP port number to connect to.")
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(user
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maybe-string
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"User name on the remote host.")
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(forward-x11?
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maybe-boolean
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"Whether to forward remote client connections to the local X11 graphical
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display.")
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(forward-x11-trusted?
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maybe-boolean
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"Whether remote X11 clients have full access to the original X11 graphical
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display.")
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(forward-agent?
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maybe-boolean
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"Whether the authentication agent (if any) is forwarded to the remote
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machine.")
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(compression?
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maybe-boolean
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"Whether to compress data in transit.")
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(proxy-command
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maybe-string
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"The command to use to connect to the server. As an example, a command
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to connect via an HTTP proxy at 192.0.2.0 would be: @code{\"nc -X
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connect -x 192.0.2.0:8080 %h %p\"}. Using 'proxy-command' is deprecated, use
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'proxy' instead."
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(sanitizer (sanitize-proxy-command (current-source-location))))
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(proxy
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maybe-proxy-command-or-jump-list
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"The command to use to connect to the server or a list of SSH hosts to jump
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through before connecting to the server.")
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(host-key-algorithms
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maybe-string-list
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"The list of accepted host key algorithms---e.g.,
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@code{'(\"ssh-ed25519\")}.")
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(accepted-key-types
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maybe-string-list
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"The list of accepted user public key types.")
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(extra-content
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(raw-configuration-string "")
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"Extra content appended as-is to this @code{Host} block in
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@file{~/.ssh/config}."))
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(define (serialize-openssh-host config)
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(define (openssh-host-name-or-match-field? field)
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(or (eq? (configuration-field-name field) 'name)
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(eq? (configuration-field-name field) 'match-criteria)))
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(string-append
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(if (maybe-value-set? (openssh-host-name config))
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(if (maybe-value-set? (openssh-host-match-criteria config))
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(raise
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(formatted-message
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(G_ "define either 'name' or 'match-criteria', not both")))
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(string-append "Host " (openssh-host-name config) "\n"))
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(if (maybe-value-set? (openssh-host-match-criteria config))
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(serialize-match-criteria #t (openssh-host-match-criteria config))
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(raise
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(formatted-message
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(G_ "define either 'name' or 'match-criteria' once")))))
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(string-concatenate
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(map (lambda (field)
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((configuration-field-serializer field)
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(configuration-field-name field)
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((configuration-field-getter field) config)))
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(remove openssh-host-name-or-match-field?
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openssh-host-fields)))))
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(define-record-type* <home-openssh-configuration>
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home-openssh-configuration make-home-openssh-configuration
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home-openssh-configuration?
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(authorized-keys home-openssh-configuration-authorized-keys ;list of file-like
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(default #f))
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(known-hosts home-openssh-configuration-known-hosts ;unspec | list of file-like
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(default *unspecified*))
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(hosts home-openssh-configuration-hosts ;list of <openssh-host>
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(default '()))
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(add-keys-to-agent home-openssh-configuration-add-keys-to-agent ;string with limited values
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(default "no")))
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(define (serialize-add-keys-to-agent value)
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(define (valid-time-string? str)
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(and (> (string-length str) 0)
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(equal?
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str
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(match:substring
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(string-match "\
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[0-9]+|([0-9]+[Ww])?([0-9]+[Dd])?([0-9]+[Hh])?([0-9]+[Mm])?([0-9]+[Ss])?"
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str)))))
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(string-append "AddKeysToAgent "
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(cond ((member value '("yes" "no" "confirm" "ask")) value)
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((valid-time-string? value) value)
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((and (string-prefix? "confirm" value)
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(valid-time-string?
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(cdr (string-split value #\ )))) value)
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;; The 'else' branch is unreachable.
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(else
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(raise
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(formatted-message
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(G_ "~s: invalid 'add-keys-to-agent' value")
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value))))))
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(define (openssh-configuration->string config)
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(string-join
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(cons* (serialize-add-keys-to-agent
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(home-openssh-configuration-add-keys-to-agent config))
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(map serialize-openssh-host
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(home-openssh-configuration-hosts config)))
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"\n"))
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(define* (file-join name files #:optional (delimiter " "))
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"Return a file in the store called @var{name} that is the concatenation
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of all the file-like objects listed in @var{files}, with @var{delimited}
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inserted after each of them."
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(computed-file name
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils))
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;; Support non-ASCII file names.
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(setenv "GUIX_LOCPATH"
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#+(file-append
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(libc-utf8-locales-for-target (%current-system))
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"/lib/locale"))
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(setlocale LC_ALL "en_US.utf8")
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(call-with-output-file #$output
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(lambda (output)
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(for-each (lambda (file)
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(call-with-input-file file
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(lambda (input)
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(dump-port input output)))
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(display #$delimiter output))
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'#$files)))))))
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(define (openssh-configuration-files config)
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(let* ((ssh-config (plain-file "ssh.conf"
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(openssh-configuration->string config)))
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(known-hosts (home-openssh-configuration-known-hosts config))
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(authorized-keys (home-openssh-configuration-authorized-keys config))
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(authorized-keys (and
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authorized-keys
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(file-join "authorized_keys" authorized-keys "\n"))))
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`(,@(if authorized-keys
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`((".ssh/authorized_keys" ,authorized-keys))
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'())
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,@(if (unspecified? known-hosts)
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'()
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`((".ssh/known_hosts"
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,(file-join "known_hosts" known-hosts "\n"))))
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(".ssh/config" ,ssh-config))))
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(define openssh-activation
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(with-imported-modules (source-module-closure
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'((gnu build activation)))
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#~(begin
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(use-modules (gnu build activation))
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;; Make sure ~/.ssh is #o700.
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(let* ((home (getenv "HOME"))
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(dot-ssh (string-append home "/.ssh")))
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(mkdir-p/perms dot-ssh (getpw (getuid)) #o700)))))
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(define home-openssh-service-type
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(service-type
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(name 'home-openssh)
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(extensions
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(list (service-extension home-files-service-type
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openssh-configuration-files)
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(service-extension home-activation-service-type
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(const openssh-activation))))
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(description "Configure the OpenSSH @acronym{SSH, secure shell} client
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by providing a @file{~/.ssh/config} file, which is honored by the OpenSSH
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client,@command{ssh}, and by other tools such as @command{guix deploy}.")
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(default-value (home-openssh-configuration))))
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;;;
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;;; Ssh-agent.
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;;;
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(define-record-type* <home-ssh-agent-configuration>
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home-ssh-agent-configuration make-home-ssh-agent-configuration
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home-ssh-agent-configuration?
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(openssh home-ssh-agent-openssh ;file-like
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(default openssh))
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(socket-directory home-ssh-agent-socket-directory ;string
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(default #~(string-append %user-runtime-dir "/ssh-agent")))
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(extra-options home-ssh-agent-extra-options ;list of string
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(default '())))
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(define (home-ssh-agent-services config)
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"Return a <shepherd-service> for an ssh-agent with CONFIG."
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(match-record config <home-ssh-agent-configuration>
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(openssh socket-directory extra-options)
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(let* ((ssh-agent (file-append openssh "/bin/ssh-agent"))
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(socket-file #~(string-append #$socket-directory "/socket"))
|
||
(command #~`(#$ssh-agent
|
||
"-D" "-a" ,#$socket-file
|
||
#$@extra-options))
|
||
(log-file #~(string-append %user-log-dir "/ssh-agent.log")))
|
||
(list (shepherd-service
|
||
(documentation "Run the ssh-agent.")
|
||
(provision '(ssh-agent))
|
||
(modules '((shepherd support))) ;for '%user-runtime-dir', etc.
|
||
(start #~(lambda _
|
||
(unless (file-exists? #$socket-directory)
|
||
(mkdir-p #$socket-directory)
|
||
(chmod #$socket-directory #o700))
|
||
(fork+exec-command #$command #:log-file #$log-file)))
|
||
(stop #~(make-kill-destructor)))))))
|
||
|
||
(define (home-ssh-agent-environment-variables config)
|
||
'(("SSH_AUTH_SOCK"
|
||
. "${SSH_AUTH_SOCK-${XDG_RUNTIME_DIR-$HOME/.cache}/ssh-agent/socket}")))
|
||
|
||
(define home-ssh-agent-service-type
|
||
(service-type
|
||
(name 'home-ssh-agent)
|
||
(default-value (home-ssh-agent-configuration))
|
||
(extensions
|
||
(list (service-extension home-shepherd-service-type
|
||
home-ssh-agent-services)
|
||
(service-extension home-environment-variables-service-type
|
||
home-ssh-agent-environment-variables)))
|
||
(description
|
||
"Install and configure @command{ssh-agent} as a Shepherd service.")))
|