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

Discussion in 'Linux / Unix Discussion' started by techguy, Nov 18, 2005.

  1. techguy

    techguy Bit Poster

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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
     
    Certifications: MCSAS,MCSES,MCDBA,MCAD.NET,MCSD.NET,CCNA
    WIP: C|EH,CISSP,CISM

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