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-rw-r--r--doc/guix.texi38
-rw-r--r--gnu/services/networking.scm64
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