mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-15 22:36:23 +01:00
46 lines
1,010 B
Nix
46 lines
1,010 B
Nix
{dhcp, nettools, interfaces, lib}:
|
|
|
|
let
|
|
|
|
# Don't start dhclient on explicitly configured interfaces.
|
|
ignoredInterfaces = ["lo"] ++
|
|
map (i: i.name) (lib.filter (i: i ? ipAddress) interfaces);
|
|
|
|
in
|
|
|
|
{
|
|
name = "dhclient";
|
|
|
|
job = "
|
|
description \"DHCP client\"
|
|
|
|
start on network-interfaces/started
|
|
stop on network-interfaces/stop
|
|
|
|
env PATH_DHCLIENT_SCRIPT=${dhcp}/sbin/dhclient-script
|
|
|
|
script
|
|
export PATH=${nettools}/sbin:$PATH
|
|
|
|
# Determine the interface on which to start dhclient.
|
|
interfaces=
|
|
|
|
for i in $(cd /sys/class/net && ls -d *); do
|
|
if ! for j in ${toString ignoredInterfaces}; do echo $j; done | grep -F -x -q \"$i\"; then
|
|
echo \"Running dhclient on $i\"
|
|
interfaces=\"$interfaces $i\"
|
|
fi
|
|
done
|
|
|
|
if test -z \"$interfaces\"; then
|
|
echo 'No interfaces on which to start dhclient!'
|
|
exit 1
|
|
fi
|
|
|
|
mkdir -m 755 -p /var/state/dhcp
|
|
|
|
exec ${dhcp}/sbin/dhclient -d $interfaces -e \"PATH=$PATH\"
|
|
end script
|
|
";
|
|
|
|
}
|