X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/6fa165042b07cbb6ff52d2439e79d8ffe17be4ab..e5e255dd40f1e2ea80b5c4612b054f11f56f7dbf:/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq

diff --git a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq
index 995c1b6e7..6a5af0f05 100755
--- a/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq
+++ b/openwrt/target/default/target_skeleton/etc/init.d/S50dnsmasq
@@ -1,2 +1,27 @@
 #!/bin/sh
-/usr/sbin/dnsmasq
+. /etc/functions.sh
+
+# 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 /dev/zero -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}))
+	  
+	  args="-l /tmp/dhcp.leases -K -F $(int2ip $start),$(int2ip $end),$(int2ip $netmask),12h"
+	}
+	dnsmasq ${args}
+) &