diff options
-rw-r--r-- | doc/guix.texi | 38 | ||||
-rw-r--r-- | gnu/services/networking.scm | 64 |
2 files changed, 37 insertions, 65 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index d1cb6eebf7..96b396b58c 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -20998,42 +20998,14 @@ Logging level. @end table @end deftp -@defvar %facebook-host-aliases -This variable contains a string for use in @file{/etc/hosts} -(@pxref{Host Names,,, libc, The GNU C Library Reference Manual}). Each -line contains a entry that maps a known server name of the Facebook +@defvar block-facebook-hosts-service-type +This service type adds a list of known Facebook hosts to the +@file{/etc/hosts} file. +(@pxref{Host Names,,, libc, The GNU C Library Reference Manual}) +Each line contains a entry that maps a known server name of the Facebook on-line service---e.g., @code{www.facebook.com}---to the local host---@code{127.0.0.1} or its IPv6 equivalent, @code{::1}. -This variable is typically used as a @code{hosts-service-type} -service extension (@pxref{Service Reference, @code{hosts-service-type}}): - -@lisp -(use-modules (gnu) (gnu services) (guix) (srfi srfi-1) (ice-9 match)) -(use-service-modules networking) - -(operating-system - ;; @dots{} - - (service - (simple-service 'block-facebook-hosts hosts-service-type - (let ((host-pairs - (filter-map - (lambda (x) - (and (not (or (string-null? x) - (string-prefix? "#" x))) - (remove string-null? - (string-split - x - char-set:whitespace)))) - (string-split %facebook-host-aliases #\newline)))) - (map (match-lambda - ((addr name) - (host addr name))) - host-pairs))) - ;; @dots{} -@end lisp - This mechanism can prevent programs running locally, such as Web browsers, from accessing Facebook. @end defvar diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm index 89ce16f6af..dacf64c2d1 100644 --- a/gnu/services/networking.scm +++ b/gnu/services/networking.scm @@ -20,6 +20,7 @@ ;;; Copyright © 2021 Guillaume Le Vaillant <glv@posteo.net> ;;; Copyright © 2022, 2023 Andrew Tropin <andrew@trop.in> ;;; Copyright © 2023 Declan Tsien <declantsien@riseup.net> +;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu> ;;; ;;; This file is part of GNU Guix. ;;; @@ -80,7 +81,9 @@ #:use-module (json) #:re-export (static-networking-service static-networking-service-type) - #:export (%facebook-host-aliases + #:export (%facebook-host-aliases ;deprecated + block-facebook-hosts-service-type + dhcp-client-service-type dhcp-client-configuration dhcp-client-configuration? @@ -235,39 +238,36 @@ ;;; ;;; Code: -(define %facebook-host-aliases +(define facebook-host-aliases ;; This is the list of known Facebook hosts to be added to /etc/hosts if you ;; are to block it. - "\ -# Block Facebook IPv4. -127.0.0.1 www.facebook.com -127.0.0.1 facebook.com -127.0.0.1 login.facebook.com -127.0.0.1 www.login.facebook.com -127.0.0.1 fbcdn.net -127.0.0.1 www.fbcdn.net -127.0.0.1 fbcdn.com -127.0.0.1 www.fbcdn.com -127.0.0.1 static.ak.fbcdn.net -127.0.0.1 static.ak.connect.facebook.com -127.0.0.1 connect.facebook.net -127.0.0.1 www.connect.facebook.net -127.0.0.1 apps.facebook.com - -# Block Facebook IPv6. -fe80::1%lo0 facebook.com -fe80::1%lo0 login.facebook.com -fe80::1%lo0 www.login.facebook.com -fe80::1%lo0 fbcdn.net -fe80::1%lo0 www.fbcdn.net -fe80::1%lo0 fbcdn.com -fe80::1%lo0 www.fbcdn.com -fe80::1%lo0 static.ak.fbcdn.net -fe80::1%lo0 static.ak.connect.facebook.com -fe80::1%lo0 connect.facebook.net -fe80::1%lo0 www.connect.facebook.net -fe80::1%lo0 apps.facebook.com\n") - + (let ((domains '("facebook.com" "www.facebook.com" + "login.facebook.com" "www.login.facebook.com" + "fbcdn.net" "www.fbcdn.net" "fbcdn.com" "www.fbcdn.com" + "static.ak.fbcdn.net" "static.ak.connect.facebook.com" + "connect.facebook.net" "www.connect.facebook.net" + "apps.facebook.com"))) + (append-map (lambda (name) + (map (lambda (addr) + (host addr name)) + (list "127.0.0.1" "::1"))) domains))) + +(define-deprecated %facebook-host-aliases + block-facebook-hosts-service-type + (string-join + (map (lambda (x) + (string-append (host-address x) "\t" + (host-canonical-name x) "\n")) + facebook-host-aliases))) + +(define block-facebook-hosts-service-type + (service-type + (name 'block-facebook-hosts) + (extensions + (list (service-extension hosts-service-type + (const facebook-host-aliases)))) + (default-value #f) + (description "Add a list of known Facebook hosts to @file{/etc/hosts}"))) (define-record-type* <dhcp-client-configuration> dhcp-client-configuration make-dhcp-client-configuration |