Shell script for adding DNS Entery to BIND Database by Vivek G. Gite

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Shell script for adding DNS Entery to BIND Database by Vivek G. Gite

# Change following varibles to point out correct entries
#
#
NAMED_CONF_PATH="/etc/named.conf" # named.conf file location with path
BIND_DB_PATH="/var/named" # do not append / at the end

SERIAL_NO_COUNT="/var/named/AddDomain" # Where to get serial number count

MAIL_SERVER="mail.ecyberciti.com." # MX Pointer i.e. All Mail forword to this
# domain will goes to this mail server

NS1="ns1.ecyberciti.com." # First Name Server
NS2="ns2.ecyberciti.com." # Second Name Server


ADMIN_EMAIL="hostmaster.ecyberciti.com." # Hostmaster e-mail ID

# Input for - UDVs

ZONE_DB=""
domainame=""
ipadd=""
serial_no=1 # Default

#
# Main script begins here
#
echo -n "Enter Domain Name : "
read domainame

ZONE_DB="$BIND_DB_PATH/$domainame.zone"

echo -n "Enter IP Address for $domainame : "
read ipadd

#
# Find the serial_no count for domain
#

if ! [ -f $SERIAL_NO_COUNT ] ; then
echo "Init... Serial Number count to default 1"
echo "1" > $SERIAL_NO_COUNT
serial_no=1
else # get the last time saved serial_no count
serial_no=`cat $SERIAL_NO_COUNT`
serial_no=`expr $serial_no + 1`
echo "$serial_no" > $SERIAL_NO_COUNT
fi

#
# See if domain alrady exists or not
#

if grep \"$domainame\" $NAMED_CONF_PATH > /dev/null ; then
echo "Domain $domainame already exists, please try another domain"
exit 1
fi

#
# Make sure its valid IP Address
#
if which ipcalc > /dev/null ; then

ipcalc -ms $ipadd > /dev/null
if ! [ $? -eq 0 ] ; then
echo -e "*** Bad ip address: $ipadd\nTry again with correct IP Address."
exit 2
fi
else
echo "Warning can't validate the IP Address $ipadd"
fi

#
# Open the named.conf file and append the entries
#
echo "zone \"$domainame\" {" >> $NAMED_CONF_PATH
echo " type master; " >> $NAMED_CONF_PATH
echo " file \"$domainame.zone\";" >> $NAMED_CONF_PATH
echo "};" >> $NAMED_CONF_PATH

#
# Crate zone file for our domain
#
echo "$domainame. IN SOA $NS1 $ADMIN_EMAIL (" > $ZONE_DB
echo " $serial_no ;serial" >> $ZONE_DB
echo " 28800 ;refresh" >> $ZONE_DB
echo " 7200 ;retry" >> $ZONE_DB
echo " 604800 ;expire" >> $ZONE_DB
echo " 86400 ;TTL">> $ZONE_DB
echo " )" >> $ZONE_DB
echo ";" >> $ZONE_DB
echo ";Name Servers" >> $ZONE_DB
echo "$domainame. IN NS $NS1" >> $ZONE_DB
#
# See if we want Name server 2
#
if [ "$NS2" != "" ]; then
echo "$domainame. IN NS $NS2" >> $ZONE_DB
fi
echo ";" >> $ZONE_DB
echo ";Mail Servers" >> $ZONE_DB
echo "$domainame. IN MX 10 $MAIL_SERVER" >> $ZONE_DB
echo ";" >> $ZONE_DB
echo ";IP addresses $domainame " >> $ZONE_DB
echo "$domainame. IN A $ipadd" >> $ZONE_DB
echo "www IN A $ipadd" >> $ZONE_DB

echo "$domainame ($ipadd) Addedd successfully."

Source: http://www.cyberciti.biz/nixcraft/linux/docs/uniqlinuxfeatures/lsst/scripts/AddDomain