added namedGetForwarders written in shell (#176100)
This commit is contained in:
Martin Stransky
parent
4f2e75b9bf
commit
286aa4d78c
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@ -17,7 +17,7 @@ Summary: The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
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Name: bind
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License: BSD-like
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Version: 9.3.3
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Release: 1%{?prever}%{?dist}
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Release: 2%{?prever}%{?dist}
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Epoch: 31
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Url: http://www.isc.org/products/BIND/
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Buildroot: %{_tmppath}/%{name}-root
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@ -777,6 +777,10 @@ rm -rf ${RPM_BUILD_ROOT}
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:;
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%changelog
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* Thu Jan 4 2007 Martin Stransky <stransky@redhat.com> - 31:9.3.3-2
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- added namedGetForwarders written in shell (#176100),
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created by Baris Cicek <baris@nerd.com.tr>.
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* Sun Dec 10 2006 Martin Stransky <stransky@redhat.com> - 31:9.3.3-1
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- update to 9.3.3 final
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- fix for #219069: file included twice in src.rpm
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@ -1,4 +1,4 @@
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#!/usr/bin/perl
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#!/bin/sh
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#
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# This script uses the named D-BUS support, which must be enabled in
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# the running named with the named '-D' option, to get and print the
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@ -9,12 +9,14 @@
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#
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# If no zone argument is specified, all forwarding zones will be listed.
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#
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# Usage: GetForwarders [-n -r] [ <zone> ]
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# Usage: namedGetForwarders [-n -r] [ <zone> ]
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# -n : output forward zone statements for named.conf
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# -r : output in resolv.conf format
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# : no -r or -n: just list the forwarders
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#
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# Copyright(C) Jason Vas Dias<jvdias@redhat.com> Red Hat Inc. 2005
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# This script is based on perl script of Jason Vas Dias <jvdias@redhat.com>.
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#
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# Copyright(C) Baris Cicek <baris@nerd.com.tr> Nerd Software. 2007
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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@ -26,98 +28,131 @@
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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use Getopt::Std;
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%opts=();
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declare -a zones;
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declare -a servers;
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declare -a ports;
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declare -a only;
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getopts("rn",\%opts);
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output_format='plain';
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zonecnt=0;
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$zone = '';
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if ( $#ARGV >= 0 )
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{
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$zone = "string:'". join("' string:'",@ARGV)."'";
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};
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function push () {
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local array
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array=( `echo $1` );
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array[${#array[*]}]=$2;
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echo ${array[@]};
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}
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@dn=();
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function concat () {
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local string
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while [ $# -gt 0 ]; do
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string=${string}$1;
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shift;
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done
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echo $string;
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}
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open(DNS,
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'/bin/dbus-send --system --type=method_call --print-reply --reply-timeout=20000 '
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.'--dest=com.redhat.named /com/redhat/named com.redhat.named.text.GetForwarders '
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.$zone .'|'
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) || die("dbus-send failed: $?: $!");
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if [ $# -ge 0 ]; then
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if [ "$1" == "-r" ]; then
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output_format='resolv';
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shift;
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elif [ "$1" == "-n" ]; then
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output_format='named';
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shift;
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fi
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zone="";
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for arg in $*; do
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zone=$(push "$zone" " string:'$arg'");
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done
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fi
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while(<DNS>)
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{
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$_=~s/[\s\r\n]+$//;
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if ( /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/ )
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{ # nameserver address
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push @{${$dn[-1]}{'s'}}, { 'a' => "$1.$2.$3.$4" };
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}elsif
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( /\"(\d+)\"$/ )
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{ # port
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if ( $1 != 53 )
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{
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${@{${$dn[-1]}{'s'}}[-1]}{'p'} = $1;
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};
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}elsif
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( /string\s+\"([^\"]+)\"$/ )
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{
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if ( ($1 eq 'first') || ($1 eq 'only') )
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{ # policy
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if( $1 eq 'only' )
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{ # not default
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${$dn[-1]}{'o'} = 1;
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}
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}else
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{ # new DN - "zone"
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push @dn, {'n'=>$1,'s'=>[]};
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};
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};
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};
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close(DNS);
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DNS=`/bin/dbus-send --system --type=method_call --print-reply --reply-timeout=20000 --dest=com.redhat.named /com/redhat/named com.redhat.named.text.GetForwarders $zone`;
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if( exists($opts{'r'}) )
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{ # resolv.conf style:
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my %svrs=();
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print 'search ',
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join( ' ',
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grep { !( $_ =~ /\.in-addr\.arpa$/) }
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map { ${$_}{'n'} }
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@dn
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),"\n",
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'nameserver ',
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join( "\nnameserver ",
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grep { exists ( $svrs{ $_ } ) ? undef : { $svrs{$_}=$_ } }
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map { ${$_}{'a'} }
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map { @{${$_}{'s'}} } @dn
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),"\n";
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}elsif( exists($opts{'n'}) )
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{ # named.conf style:
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foreach $d (@dn)
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{
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print 'zone "',${$d}{'n'},'." IN { type forward; forwarders { ',
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join("; ",
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map { exists( ${$_}{'p'} )
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? ${$_}{'a'} . ' port ' . ${$_}{'p'}
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: ${$_}{'a'}
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} @{${$d}{'s'}}
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),
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'; }; ',
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exists(${$d}{'o'}) ? ' forward only; ' : '',
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"};\n";
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};
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}else
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{ # just list:
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foreach $d (@dn)
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{
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print ${$d}{'n'}, "\n\t",
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(exists(${$d}{'o'}) ? "forward only\n\t" : ''),
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join( "\n\t",
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map { exists( ${$_}{'p'} )
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? ${$_}{'a'} . ':' . ${$_}{'p'}
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: ${$_}{'a'}
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} @{${$d}{'s'}}
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),"\n";
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};
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};
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if [ $? -ne 0 ]; then
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echo -e "dbus-send failed: $? $!";
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exit 1;
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fi
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IFS=$'\n'
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for line in $DNS; do
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match_ip=$( echo "$line" | awk --re-interval '{ match ($0, /([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})\.([[:digit:]]{1,3})/, a); printf "%s.%s.%s.%s", substr($0, a[1, "start"], a[1, "length"]), substr($0, a[2, "start"], a[2, "length"]), substr($0, a[3, "start"], a[3, "length"]), substr($0, a[4, "start"], a[4, "length"]);}' );
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match_port=$( echo "$line" | awk '{ match ($0, /\"([[:digit:]]+)\"$/, a); printf "%s", substr($0, a[1, "start"], a[1,"length"]);}' );
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match_string=$( echo "$line" | awk '{ match ($0, /string.+\"([^\"]+)\"$/, a); printf "%s", substr($0, a[1, "start"], a[1,"length"]);}' );
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if [ "$match_ip" != "" ] && [ "$match_ip" != "..." ]; then
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servers[$zonecnt]=$(push "${servers[$zonecnt]}" "$match_ip");
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elif [ "$match_port" != "" ]; then
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ports[$zonecnt]=$(push "${ports[$zonecnt]}" "$match_port");
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elif [ "$match_string" == "only" ]; then
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only[$zonecnt]="1";
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elif [ "$match_string" != "" ] && [ "$match_string" != "first" ]; then
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zonecnt=$((zonecnt + 1));
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zones[$zonecnt]="$match_string";
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fi
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done
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if [ "$output_format" == "resolv" ]; then
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# resolv.conf style:
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search_line='search';
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nameserver_lines='';
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for index in $(seq 1 $zonecnt); do
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if [ "` echo ${zones[$index]} | awk ' /\.in-addr\.arpa$/ { print $0 }'`" == '' ]; then
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search_line=$(push "$search_line" "${zones[$index]}");
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fi
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IFS=$' ';
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for ns in ${servers[$index]}; do
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nameserver_lines=$(concat "$nameserver_lines" "\nnameserver " "$ns");
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done
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done
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echo -n $search_line;
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echo -e $nameserver_lines;
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elif [ "$output_format" == "named" ]; then
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# named.conf style:
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zone_lines='';
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for index in $(seq 1 $zonecnt); do
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zone_line=$(concat 'zone "' "${zones[$index]}" '." IN { type forward; forwarders { ');
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srvcnt=1;
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IFS=$' ';
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for ns in ${servers[$index]}; do
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srvport=$(eval "echo ${ports[$index]} | awk '{ print \$${srvcnt} }'");
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if [ "$srvport" != "53" ]; then
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zone_line=$(concat "$zone_line" " $ns port $srvport;");
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else
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zone_line=$(concat "$zone_line" " $ns;");
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fi
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srvcnt=$((srvcnt+1));
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done
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zone_line=$(concat "$zone_line" " };");
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if [ "${only[$index]}" == '1' ]; then
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zone_line=$(concat "$zone_line" " forward only;");
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fi
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zone_line=$(concat "$zone_line" " };");
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zone_lines=$(concat "$zone_lines" "$zone_line\n");
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done
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echo -e ${zone_lines%\\n};
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elif [ "$output_format" == "plain" ]; then
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# just list:
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output='';
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for index in $(seq 1 $zonecnt); do
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output=$(concat "$output" "${zones[$index]}" "\n");
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if [ "${only[$index]}" == "1" ]; then
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output=$(concat "$output" "\t" "forward only" "\n");
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fi
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srvcnt=1;
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IFS=$' ';
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for ns in ${servers[$index]}; do
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srvport=$(eval "echo ${ports[$index]} | awk '{ print \$${srvcnt} }'");
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if [ "$srvport" != "53" ]; then
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output=$(concat "$output" "\t" "$ns:$srvport" "\n");
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else
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output=$(concat "$output" "\t" "$ns" "\n");
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fi
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srvcnt=$((srvcnt+1));
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done
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done
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echo -e ${output%\\n};
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fi
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