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authorRichard Sent <richard@freakingpenguin.com>2024-06-17 20:49:12 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2024-06-24 08:50:45 -0400
commitb539e5ae3995b554cd5557274a4d95ba0618a3fd (patch)
treec24e2207be4515857051c7e280cb20f59704f02a /gnu/services
parente92259e56f3230ccb5e9bae3419f5071f6e6c40a (diff)
downloadguix-b539e5ae3995b554cd5557274a4d95ba0618a3fd.tar
guix-b539e5ae3995b554cd5557274a4d95ba0618a3fd.tar.gz
services: networking: Allow dhcp-client to use a config file.
* gnu/services/networking.scm (dhcp-client-configuration) [config-file]: New field. (dhcp-client-configuration-config-file): New accessor. (dhcp-client-shepherd-service): Use the config file when invoking dhclient if supplied. * doc/guix.texi: Document it. Change-Id: I286de4ddf59c5e606bf1fe0a7510570869e62b1a Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Diffstat (limited to 'gnu/services')
-rw-r--r--gnu/services/networking.scm15
1 files changed, 13 insertions, 2 deletions
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index 378e117a86..12d8934e43 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -91,6 +91,7 @@
dhcp-client-configuration?
dhcp-client-configuration-package
dhcp-client-configuration-interfaces
+ dhcp-client-configuration-config-file
dhcp-client-configuration-shepherd-provision
dhcp-client-configuration-shepherd-requirement
@@ -319,6 +320,8 @@
(default '()))
(shepherd-provision dhcp-client-configuration-shepherd-provision
(default '(networking)))
+ (config-file dhcp-client-configuration-config-file
+ (default #f))
(interfaces dhcp-client-configuration-interfaces
(default 'all))) ;'all | list of strings
@@ -329,6 +332,7 @@
(requirement (dhcp-client-configuration-shepherd-requirement config))
(provision (dhcp-client-configuration-shepherd-provision config))
(interfaces (dhcp-client-configuration-interfaces config))
+ (config-file (dhcp-client-configuration-config-file config))
(pid-file "/var/run/dhclient.pid"))
(list (shepherd-service
(documentation "Set up networking via DHCP.")
@@ -364,6 +368,11 @@
(_
#~'#$interfaces))))
+ (define config-file-args
+ (if #$config-file
+ (list "-cf" #$config-file)
+ '()))
+
(false-if-exception (delete-file #$pid-file))
(let ((pid (fork+exec-command
;; By default dhclient uses a
@@ -371,8 +380,10 @@
;; DDNS, which is incompatable with
;; non-ISC DHCP servers; thus, pass '-I'.
;; <https://kb.isc.org/docs/aa-01091>.
- (cons* dhclient "-nw" "-I"
- "-pf" #$pid-file ifaces))))
+ `(,dhclient "-nw" "-I"
+ "-pf" ,#$pid-file
+ ,@config-file-args
+ ,@ifaces))))
(and (zero? (cdr (waitpid pid)))
(read-pid-file #$pid-file)))))
(stop #~(make-kill-destructor))))))