#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel4 - scripts        Copyright(c) 2011 cPanel, Inc..
#                                 All rights Reserved.
# copyright@cpanel.net      http://cpanel.net
# This code is subject to the cpanel license. Unauthorized copying is prohibited

my $ndc = find_namedconf();

sub find_namedconf {
    if ( -e "/etc/namedb/named.conf" ) { return ("/etc/namedb/named.conf"); }
    return ("/etc/named.conf");
}

my $im = 0;
my @CFILE;

open( NDC, "+<", "$ndc" );
while (<NDC>) {
    if (/type slave/) {
        s/slave/master/g;
    }
    if (/masters/) {
        $im = 1;
    }
    if ( !$im ) { push( @CFILE, $_ ); }
    if (/}/) {
        $im = 0;
    }
}
seek( NDC, 0, 0 );
print NDC join( "", @CFILE );
truncate( NDC, tell(NDC) );
close(NDC);