66 lines
1.4 KiB
Bash
66 lines
1.4 KiB
Bash
#!/bin/sh /etc/rc.common
|
|
# Copyright (C) 2012 OpenWrt.org
|
|
|
|
START=91
|
|
|
|
SERVICE_SIG="KILL"
|
|
SERVICE_PID_FILE="/var/run/dhcrelay4.pid"
|
|
SERVICE_USE_PID=1
|
|
|
|
start() {
|
|
. /lib/functions/network.sh
|
|
config_load dhcrelay
|
|
local args=""
|
|
|
|
local enabled
|
|
config_get_bool enabled ipv4 enabled 0
|
|
[ "$enabled" -eq 0 ] && return 0
|
|
|
|
# listen interfaces
|
|
local interfaces
|
|
local ifname
|
|
config_get interfaces ipv4 interfaces
|
|
for net in $interfaces; do
|
|
if network_get_device ifname "$net"; then
|
|
append args "-i $ifname"
|
|
fi
|
|
done
|
|
config_get interfaces ipv4 upstream_interfaces
|
|
for net in $interfaces; do
|
|
if network_get_device ifname "$net"; then
|
|
append args "-iu $ifname"
|
|
fi
|
|
done
|
|
config_get interfaces ipv4 downstream_interfaces
|
|
for net in $interfaces; do
|
|
if network_get_device ifname "$net"; then
|
|
append args "-id $ifname"
|
|
fi
|
|
done
|
|
|
|
# link selection sub-option (RFC3527)
|
|
local link_selection
|
|
config_get link_selection ipv4 link_selection
|
|
if network_get_device ifname "$link_selection"; then
|
|
append args "-U $ifname"
|
|
fi
|
|
|
|
# relay mode
|
|
local relay_mode
|
|
config_get relay_mode ipv4 relay_mode
|
|
[ -n "$relay_mode" ] && append args "-m $relay_mode"
|
|
|
|
# dhcp server address
|
|
local server
|
|
config_get server ipv4 dhcpserver
|
|
[ -n "$server" ] || return 0
|
|
append args "$server"
|
|
|
|
service_start /usr/sbin/dhcrelay -4 -q \
|
|
-pf $SERVICE_PID_FILE $args
|
|
}
|
|
|
|
stop() {
|
|
service_stop /usr/sbin/dhcrelay
|
|
}
|