#!/bin/bash
dhcpd_conf="/opt/traffpro/from_traffpro.conf"
last_change="/tmp/dhcpd_last_change.tmp"
current_stat=`stat -c %Y $dhcpd_conf`
l_stat=`cat $last_change`
if [ "$current_stat" == "$l_stat" ]
then
        echo "$dhcpd_conf was not changed"
else
        echo "$current_stat" > $last_change
/etc/init.d/dhcp3-server status | grep "dhcpd3 is running" && /etc/init.d/dhcp3-server force-reload ||  /etc/init.d/dhcp3-server restart
fi

#!/bin/bash
tmp_f="/tmp/hwdata"
hw_list="/tmp/hwlist"
db_list="/tmp/dblist"
hwip_list="/tmp/hwiplist"
dbip_list="/tmp/dbiplist"
tmp_dc="/opt/traffpro/from_traffpro.conf"
q="select clients.id, clients.login, clients_addr.addr_ip, addr_eth from clients, clients_addr, groups where clients.id=clients_addr.id and clients.delta!='2' and clients.delta!='4' group by clients_addr.addr_ip;"
rm -f  $tmp_f $hw_list $db_list $hwip_list $dbip_list
touch  $tmp_f
echo $q | mysql traffpro | grep -v "addr_ip"> $tmp_f

db_users=`cat $tmp_f|wc -l`
#hw_users=`grep "hardware ethernet" $tmp_dc| wc -l`

if [ "$db_users" == "0" ]
then
  echo 'Mysql is not working! Please check it asap!'
  exit 0
fi

#IP difference
grep "fixed-address" $tmp_dc | awk '{print $2}'| cut -d ";" -f 1 | sort -u > $hwip_list
cat $tmp_f| awk '{print $3}'| sort -u > $dbip_list

grep "hardware ethernet" $tmp_dc | awk '{print $3}' | cut -d ";" -f 1 | sort -u > $hw_list
cat $tmp_f| awk '{print $4}' | tr "[:upper:]" "[:lower:]" | sort -u > $db_list

if diff $hw_list $db_list && diff $hwip_list $dbip_list
then
  echo "There are no new users. Exiting.."
  exit 0
else
  echo 'New user has been found'
fi


rm -f $tmp_dc

while read line
do
host=`echo "$line" | awk {'print $2'}|tr "[:upper:]" "[:lower:]"`
ip=`echo "$line" | awk {'print $3'}`
hwaddr=`echo "$line" | awk {'print $4'}|tr "[:upper:]" "[:lower:]"`

cat >> $tmp_dc <<HW_RULES

host $host {
  hardware ethernet $hwaddr;
  fixed-address $ip;
  option host-name "$host";
  ddns-hostname "$host";
}

HW_RULES
done < $tmp_f

rm -f $hw_list $db_list $tmp_f $hwip_list $dbip_list
/etc/init.d/dhcp3-server status | grep "dhcpd3 is running" && /etc/init.d/dhcp3-server force-reload ||  /etc/init.d/dhcp3-server restart

#!/bin/bash

datef="`date  \"+%Y%m%d%H%M%S\" -r /etc/dhcpd.conf`"
curdate="`date  \"+%Y%m%d%H%M%S\"`"
let "curdate=$curdate-120"


echo $datef $curdate


let "diff_date=$datef>$curdate"

if [ "$diff_date" = "1" ];then
/etc/init.d/dhcpd restart
fi

p.s. СКАЧАТЬ ФАЙЛ НЕ ВОЗМОЖНО...
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