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#!/bin/sh /etc/rc.common
# Copyright (C) 2006 OpenWrt.org
START=60
start() {
include /lib/network
scan_interfaces
# The following is to automatically configure the DHCP settings
# based on config settings. Feel free to replace all this crap
# with a simple "dnsmasq" and manage everything via the
# /etc/dnsmasq.conf config file
[ -f /etc/dnsmasq.conf ] || exit
args=""
iface=lan
config_get ifname "$iface" ifname
config_get proto "$iface" proto
[ "$proto" = static ] && dhcp_enable="${dhcp_enable:-1}"
dhcp_start="${dhcp_start:-100}"
dhcp_num="${dhcp_num:-50}"
dhcp_lease="${dhcp_lease:-12h}"
# if dhcp_enable is unset and there is a dhcp server on the network already, default to dhcp_enable=0
[ -z "$dhcp_enable" ] && udhcpc -n -q -R -s /bin/true -i $ifname >&- && dhcp_enable="${dhcp_enable:-0}"
# dhcp_enable=0 disables the dhcp server
(
[ -z "$dhcp_enable" -o "$dhcp_enable" -eq 1 ] && {
# no existing DHCP server?
# calculate settings
config_get ipaddr "$iface" ipaddr
config_get netmask "$iface" netmask
eval $(ipcalc $ipaddr $netmask ${dhcp_start:-100} ${dhcp_num:-150})
# and pass the args via config parser defines
echo "${dhcp_enable:+@define dhcp_enable 1}"
echo "@define netmask $NETMASK"
echo "@define start $START"
echo "@define end $END"
echo "@define lease ${dhcp_lease:-12h}"
}
# ignore requests from wan interface
config_get wan_proto wan proto
config_get wan_ifname wan ifname
[ -z "$wan_proto" -o "$wan_proto" = "none" ] || echo "@define wan_ifname $wan_ifname"
cat /etc/dnsmasq.conf
) | awk -f /lib/config/template.awk | dnsmasq -C /proc/self/fd/0 && {
rm -f /tmp/resolv.conf
cat > /tmp/resolv.conf <<EOF
nameserver 127.0.0.1
search lan
EOF
}
}
stop() {
killall dnsmasq
}
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