81 lines
3.3 KiB
Scheme
81 lines
3.3 KiB
Scheme
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013, 2014 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 services networking)
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#:use-module (gnu services)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages linux)
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#:use-module (guix monads)
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#:export (static-networking-service))
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;;; Commentary:
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;;;
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;;; Networking services.
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;;;
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;;; Code:
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(define* (static-networking-service interface ip
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#:key
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gateway
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(name-servers '())
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(inetutils inetutils)
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(net-tools net-tools))
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"Return a service that starts INTERFACE with address IP. If GATEWAY is
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true, it must be a string specifying the default network gateway."
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;; TODO: Eventually we should do this using Guile's networking procedures,
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;; like 'configure-qemu-networking' does, but the patch that does this is
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;; not yet in stock Guile.
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(mlet %store-monad ((ifconfig (package-file inetutils "bin/ifconfig"))
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(route (package-file net-tools "sbin/route")))
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(return
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(service
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(documentation
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(string-append "Set up networking on the '" interface
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"' interface using a static IP address."))
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(provision '(networking))
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(start `(lambda _
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;; Return #t if successfully started.
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(and (zero? (system* ,ifconfig ,interface ,ip "up"))
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,(if gateway
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`(zero? (system* ,route "add" "-net" "default"
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"gw" ,gateway))
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#t)
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,(if (pair? name-servers)
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`(call-with-output-file "/etc/resolv.conf"
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(lambda (port)
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(display
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"# Generated by 'static-networking-service'.\n"
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port)
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(for-each (lambda (server)
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(format port "nameserver ~a~%"
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server))
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',name-servers)))
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#t))))
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(stop `(lambda _
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;; Return #f is successfully stopped.
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(not (and (system* ,ifconfig ,interface "down")
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(system* ,route "del" "-net" "default")))))
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(respawn? #f)
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(inputs `(("inetutils" ,inetutils)
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,@(if gateway
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`(("net-tools" ,net-tools))
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'())))))))
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;;; networking.scm ends here
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