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