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https://github.com/bvanroll/college-pentesting.git
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pls groot genoeg
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225
verb/binary/attemp2/fs/cpio/sbin/config-udhcpd.sh
Executable file
225
verb/binary/attemp2/fs/cpio/sbin/config-udhcpd.sh
Executable file
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#!/bin/sh
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#
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# $Id: //WIFI_SOC/release/SDK_4_1_0_0/source/user/rt2880_app/scripts/config-udhcpd.sh#1 $
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#
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# usage: see function usage()
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#
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. /sbin/config.sh
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. /sbin/global.sh
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fname="/etc/udhcpd.conf"
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fbak="/etc/udhcpd.conf_bak"
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pidfile="/var/run/udhcpd.pid"
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leases="/var/udhcpd.leases"
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usage () {
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echo "usage: config-udhcpd.sh [option]..."
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echo "options:"
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echo " -h : print this help"
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echo " -s ipaddr : set ipaddr as start of the IP lease block"
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echo " -e ipaddr : set ipaddr as end of the IP lease block"
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echo " -i ifc : set ifc as the interface that udhcpd will use"
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echo " -d dns1 [dns2] : set dns1 and dns2 as DNS"
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echo " -m mask : set mask as subnet netmask"
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echo " -g gateway : set gateway as router's IP address"
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echo " -t time : set time seconds as the IP life time"
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echo " -r [sleep_time] : run dhcp server"
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echo " -k : kill the running dhcp server"
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echo " -S [mac ipaddr] : statically assign IP to given MAC address"
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# echo " -x static_netmask : Ra propritary cmd"
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# echo " -y static_router : Ra propritary cmd"
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exit
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}
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config () {
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case "$1" in
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"-s")
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sed -e '/start/d' $fname > $fbak
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echo "start $2" >> $fbak ;;
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"-e")
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sed -e '/end/d' $fname > $fbak
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echo "end $2" >> $fbak ;;
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"-i")
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sed -e '/interface/d' $fname > $fbak
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echo "interface $2" >> $fbak ;;
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"-d")
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sed -e '/option *dns/d' $fname > $fbak
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echo "option dns $2 $3" >> $fbak ;;
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"-m")
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sed -e '/option *subnet/d' $fname > $fbak
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echo "option subnet $2" >> $fbak ;;
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"-g")
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sed -e '/option *router/d' $fname > $fbak
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echo "option router $2" >> $fbak ;;
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"-t")
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sed -e '/option *lease/d' $fname > $fbak
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echo "option lease $2" >> $fbak ;;
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"-S")
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if [ "$2" = "" ]; then
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sed -e '/static_lease/d' $fname > $fbak
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elif [ "$3" = "" ]; then
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echo "insufficient arguments.."
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usage
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else
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echo "static_lease $2 $3" >> $fname
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return
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fi
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;;
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"-x")
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sed -e '/static_netmask/d' $fname > $fbak
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echo "static_netmask $2" >> $fbak ;;
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"-y")
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sed -e '/static_router/d' $fname > $fbak
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echo "static_router $2" >> $fbak ;;
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*) return;;
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esac
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cat $fbak > $fname
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rm -f $fbak
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return
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}
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# arg1: phy address.
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link_down()
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{
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# get original register value
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get_mii=`mii_mgr -g -p $1 -r 0`
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orig=`echo $get_mii | sed 's/^.....................//'`
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# stupid hex value calculation.
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pre=`echo $orig | sed 's/...$//'`
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post=`echo $orig | sed 's/^..//'`
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num_hex=`echo $orig | sed 's/^.//' | sed 's/..$//'`
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case $num_hex in
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"0") rep="8" ;;
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"1") rep="9" ;;
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"2") rep="a" ;;
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"3") rep="b" ;;
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"4") rep="c" ;;
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"5") rep="d" ;;
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"6") rep="e" ;;
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"7") rep="f" ;;
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# The power is already down
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*) echo "Port$1 is down. Skip.";return;;
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esac
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new=$pre$rep$post
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# power down
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mii_mgr -s -p $1 -r 0 -v $new
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}
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link_up()
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{
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# get original register value
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get_mii=`mii_mgr -g -p $1 -r 0`
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orig=`echo $get_mii | sed 's/^.....................//'`
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# stupid hex value calculation.
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pre=`echo $orig | sed 's/...$//'`
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post=`echo $orig | sed 's/^..//'`
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num_hex=`echo $orig | sed 's/^.//' | sed 's/..$//'`
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case $num_hex in
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"8") rep="0" ;;
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"9") rep="1" ;;
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"a") rep="2" ;;
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"b") rep="3" ;;
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"c") rep="4" ;;
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"d") rep="5" ;;
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"e") rep="6" ;;
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"f") rep="7" ;;
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# The power is already up
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*) echo "Port$1 is up. Skip.";return;;
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esac
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new=$pre$rep$post
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# power up
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mii_mgr -s -p $1 -r 0 -v $new
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}
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reset_all_phys()
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{
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sleep_time=$1
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if [ "$CONFIG_RAETH_ROUTER" != "y" -a "$CONFIG_RT_3052_ESW" != "y" ]; then
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return
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fi
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opmode=`nvram_get 2860 OperationMode`
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#skip WAN port
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if [ "$opmode" != "1" ]; then #no wan port
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link_down 0
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link_down 4
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elif [ "$CONFIG_WAN_AT_P4" = "y" ]; then #wan port at port4
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link_down 0
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elif [ "$CONFIG_WAN_AT_P0" = "y" ]; then #wan port at port0
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link_down 4
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fi
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link_down 1
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link_down 2
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link_down 3
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#force Windows clients to renew IP and update DNS server
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sleep $sleep_time
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#skip WAN port
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if [ "$opmode" != "1" ]; then #no wan port
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link_up 0
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link_up 4
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elif [ "$CONFIG_WAN_AT_P4" = "y" ]; then #wan port at port4
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link_up 0
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elif [ "$CONFIG_WAN_AT_P0" = "y" ]; then #wan port at port0
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link_up 4
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fi
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link_up 1
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link_up 2
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link_up 3
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}
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# argv 1 is empty
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if [ "$1" = "" ]; then
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usage
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fi
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# argv 2 is empty
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if [ "$2" = "" ]; then
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if [ "$1" != "-r" -a "$1" != "-k" -a "$1" != "-S" ]; then
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usage
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fi
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fi
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touch $fname
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case "$1" in
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"-h") usage;;
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"-s") config "$1" "$2";;
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"-e") config "$1" "$2";;
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"-i") config "$1" "$2";;
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"-d") config "$1" "$2" "$3";;
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"-m") config "$1" "$2";;
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"-g") config "$1" "$2";;
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"-t") config "$1" "$2";;
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"-S") config "$1" "$2" "$3";;
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"-r")
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if [ -e ${pidfile} ]; then
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kill `cat $pidfile`
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else
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killall udhcpd
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fi
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rm -f $pidfile
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touch $leases
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sed '/^lease_file /d' $fname > $fbak
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cat $fbak > $fname
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echo "lease_file $leases" >> $fname
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udhcpd $fname
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reset_all_phys $2;;
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"-k")
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if [ -e ${pidfile} ]; then
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kill `cat $pidfile`
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else
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killall udhcpd
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fi
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rm -f $pidfile ;;
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"-x") config "$1" "$2";;
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"-y") config "$1" "$2";;
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*) usage;;
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esac
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