nixCraft

asim.mcp · #1 (**permalink**) 14-06-2009, 02:17 AM

Hi

I've a file called /etc/named.conf

I want a script which could search for a given domain name and then comment it as well. Can anyone let me know how would be it possible to COMMENT/UN COMMENT the fields related to that domain name?

nixcraft · #2 (**permalink**) 14-06-2009, 08:18 PM

Is named.conf domain done via include statement or direct zone file? For e.g. following will print zone name:

PHP Code:


			
egrep  '^zone.+example\.com.+$' named.conf

O/P

Code:

zone "example.com" {

PHP Code:


			
egrep -A 4  '^zone.+example\.com.+$' named.conf.local

O/P

Code:

zone "example.com" {
        type master;
        file "/etc/bind/zones/e/example.com";
        allow-transfer { singlemaster; };
};

Now to comment out entire zone simple run it as (note -v will remove all matched line):

PHP Code:


			
egrep -v -A 4  '^zone.+example\.com.+$' named.conf.local

Here is sample bash code:

PHP Code:


			
#!/bin/bash
# run it as ./script.sh example.com
OUT=/tmp/named.$$.conf
NAMED=/etc/named.conf
BAK=/root/named/named.conf.$(date +"%m-%d-%T_%P")

### no editing ###
DOM=$1
die(){
    echo "$@"
    exit 99
}
[ "$DOM" == "" ] && die  "Specify domain name"
F1=$(echo $DOM | cut -d'.' -f1)
F2=$(echo $DOM | cut -d'.' -f2)


egrep "^zone.+${F1}\.${F2}.+$\" $NAMED >/dev/null
[ $? -ne 0 ] ^^ die "$DOM does not exists in $NAMED"

[ ! -d $(dirname $BAK) ] &&  echo "mkdir -p $(dirname $BAK)"
/bin/cp $NAMED $BAK
egrep -v -A 4  "^zone.+${F1}.${F2}.+$" $NAMED > $OUT
/bin/cp -f $OUT $NAMED

Again test it offline and adjust as per your named.conf format. This will do find and replace for search and comment out use sed, which is going to bit complicated.

asim.mcp · #3 (**permalink**) 15-06-2009, 12:39 PM

Thanks for your help.

When i run this script, its generating the following error.

./testing: line 23: unexpected EOF while looking for matching `"'
./testing: line 25: syntax error: unexpected end of file

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BIND named.conf search zone and comment it out script

BIND named.conf search zone and comment it out script

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