SetStaticLeases

#!/bin/sh

# Defines the DD-WRT nvram variables `static_leases' and `static_leasenum'
# to create a `Services: Services: DHCP Server: Static Leases:' table.
# Edit this script before run it !
# Tested with `DD-WRT v24-sp2 (12/14/11) std - build 18007' for Gateworks GW2358-4
# and `DD-WRT v24-sp2 (08/07/10) mini - build 14896' for Linksys WRT54GL v1.1.

# This script was written by Stephan Seidl in 2012, no copyright is claimed.
# It is offered as-is, without any warranty.
# This script is in the public domain; do with it what you wish.

sys=0
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:EE:97' && sys=1
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:EE:98' && sys=1
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:4C:69' && sys=2
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:4C:6A' && sys=2
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:4C:6B' && sys=2
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:E3:99' && sys=3
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:E3:9A' && sys=3
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:E3:9B' && sys=3
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:02:6E' && sys=4
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:02:6F' && sys=4
ifconfig -a | tr '[a-z]' '[A-Z]' | grep -q '00:11:22:33:02:70' && sys=4
test "${sys}" != "0" || exit 0
if [ "${sys}" = "1" ]; then
  scommw="00:11:22:33:EE:98"
  scomm="00:11:22:33:EE:97"
  wa1="00:11:22:33:4C:69"
  fi
if [ "${sys}" = "2" ]; then
  exit 0
  fi
if [ "${sys}" = "3" ]; then
  scommw="00:11:22:33:E3:9A"
  scomm="00:11:22:33:E3:99"
  wa1="00:11:22:33:02:6E"
  fi
if [ "${sys}" = "4" ]; then
  exit 0
  fi
arg=""
arg="${arg} 00:11:22:33:4B:88 =     modem = 192.168.1.1    = 1440 @ "
arg="${arg} ${scommw}         =    scommw = 192.168.1.15   = 1440 @ "
arg="${arg} 00:11:22:33:C4:56 =     shome = 10.xxx.yyy.11  = 1440 @ "
arg="${arg} 00:11:22:33:12:66 =     sbase = 10.xxx.yyy.12  = 1440 @ "
arg="${arg} 00:11:22:33:FD:FF =    smobie = 10.xxx.yyy.14  = 1440 @ "
arg="${arg} ${scomm}          =     scomm = 10.xxx.yyy.15  = 1440 @ "
arg="${arg} 00:00:00:00:00:00 =     sinou = 10.xxx.yyy.16  = 1440 @ "
arg="${arg} 00:00:00:00:00:00 =     stest = 10.xxx.yyy.17  = 1440 @ "
arg="${arg} 00:11:22:33:11:EA =     swind = 10.xxx.yyy.18  = 1440 @ "
arg="${arg} 00:00:00:00:00:00 =     sback = 10.xxx.yyy.19  = 1440 @ "
arg="${arg} 00:11:22:33:9C:7B =  pserver1 = 10.xxx.yyy.21  = 1440 @ "
arg="${arg} 00:11:22:33:91:1D =  pserver2 = 10.xxx.yyy.22  = 1440 @ "
arg="${arg} 00:11:22:33:71:EE =     leone = 10.xxx.yyy.31  = 1440 @ "
arg="${arg} 00:00:00:00:00:00 =  shomealt = 10.xxx.yyy.32  = 1440 @ "
arg="${arg} 00:11:22:33:EA:4C =     rosae = 10.xxx.yyy.33  = 1440 @ "
arg="${arg} 00:11:22:33:A6:1C =    selmae = 10.xxx.yyy.34  = 1440 @ "
arg="${arg} 00:11:22:33:12:66 =   pserver = 10.xxx.yyy.41  = 1440 @ "
arg="${arg} 00:11:22:33:12:66 =   tserver = 10.xxx.yyy.42  = 1440 @ "
arg="${arg} 00:11:22:33:1D:FB =      ups1 = 10.xxx.yyy.61  = 1440 @ "
arg="${arg} 00:11:22:33:CA:39 =      tel1 = 10.xxx.yyy.71  = 1440 @ "
arg="${arg} 00:11:22:33:BF:4F =     smobi = 10.xxx.yyy.114 = 1440 @ "
arg="${arg} 00:11:22:33:13:92 =      leon = 10.xxx.yyy.131 = 1440 @ "
arg="${arg} 00:00:00:00:00:00 = shomealtw = 10.xxx.yyy.132 = 1440 @ "
arg="${arg} 00:11:22:33:A9:D7 =      rosa = 10.xxx.yyy.133 = 1440 @ "
arg="${arg} 00:11:22:33:BA:0E =     selma = 10.xxx.yyy.134 = 1440 @ "
arg="${arg} ${wa1}            =       wa1 = 10.xxx.yyy.151 = 1440 @ "
arg="${arg} 00:11:22:33:70:55 =    radio1 = 10.xxx.yyy.181 = 1440 @ "
arg="${arg} # "
num="${arg}"
num=`echo "${num}" | tr '\012' ' '`
num=`echo "${num}" | tr '@' '\012'`
num=`echo "${num}" | wc -l`
num=`echo "${num} 1 - p " | dc`
num=`echo "${num}" | sed 's, ,,g'`
arg=`echo "${arg}" | sed 's, ,,g'`
arg=`echo "${arg}" | tr '@' ' '`
arg=`echo "${arg}" | tr '#' '\012'`
nvram set static_leases="${arg}"
nvram set static_leasenum="${num}"
nvram commit