openwrtv4/openwrt/package/dnsmasq/files/S50dnsmasq
2006-01-11 04:26:46 +00:00

30 lines
825 B
Bash
Executable file

#!/bin/sh
. /etc/functions.sh
. /etc/network.overrides
[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
# interface to use for DHCP
iface=lan
ifname=$(nvram get ${iface}_ifname)
ipaddr=$(nvram get ${iface}_ipaddr)
netmask=$(nvram get ${iface}_netmask)
# check for existing DHCP server
udhcpc -n -q -R -s /bin/true -i $ifname >&- || {
ipaddr=$(ip2int $ipaddr)
netmask=$(ip2int ${netmask:-255.255.255.0})
network=$((ipaddr&netmask))
start=$(nvram get dhcp_start)
start=$((network+${start:-100}))
end=$(nvram get dhcp_num)
end=$((start+${end:-150}))
wanproto=$(nvram get wan_proto)
[ -z "$wanproto" -o "$wanproto" = "none" ] || wanif=$(nvram get wan_ifname)
args="-K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h ${wanif:+-I ${wanif} }"
}
dnsmasq ${args}