edit_zone.cgi

BIND 9 dynamic DNS webmin module. This module supports both static and dynamic zones, and IPv4 and I

#! /usr/bin/perl

#
#    B9DDNS - BIND 9 dynamic DNS webmin module.
#    Copyright (C) 2003 John Horne. <[e-mail]>
#    Copyright (C) 2004 John Horne. <[e-mail]>
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

#
# Display the records, options and directives available for a zone.
#

use strict;
no strict 'vars';

require './b9ddns-lib.pl';


my $dynamic_zone = my $named_status = my $code = my $rec = my $mid = 0;
my $reverse = my $master = my $slave = my $stub = my $hint = my $forward = 0;
my $slave_upd = 0;

my $conf = my $zone = my $zone_conf = my $view = my $origin = '';
my $file = my $real_file = my $zone_hdr = my $disabled = my $type = '';
my $link = my $rtype = my $hide_recs = my $show_recs = '';

my @recs = my @rcodes = ();
my @links = my @titles = my @icons = ();
my @rlinks = my @rtitles = my @ricons = ();

my %rnum = ();


&ReadParse();

$conf = &get_config();

if ($in{'view'}) {
	$view = $conf->[$in{'view'}];
	$conf = $view->{'members'};
}

$zone = $conf->[$in{'index'}];
$zone_conf = $zone->{'members'};

$origin = lc($zone->{'value'});
$origin .= '.' unless ($origin =~ /\.$/o);


%access = &get_module_acl();

unless (&can_edit_zone(\%access, $zone, $view)) {
	&terror('master_ecannot');
}


$type = $in{'type'};

if ($in{'clear'}) {
	$in{'use_value'} = 0;
	$hide_recs = $show_recs = '';
}
else {
	&trim($in{'hide'});
	$hide_recs = $in{'hide'};
	&trim($in{'show'});
	$show_recs = $in{'show'};
}

$dynamic_zone = &dynamic_zone($zone, 1);

if ($type eq 'master') {
	$master++;
}
elsif ($type eq 'slave') {
	$slave++;
	$slave_upd++ if ($dynamic_zone == 1);
}
elsif ($type eq 'stub') {
	$stub++;
}
elsif ($type eq 'forward') {
	$forward++;
}
elsif ($type eq 'hint') {
	$hint++;
}

$reverse++ if ($origin =~ /\.(in-addr|ip6)\.arpa\.$/o);

$file = &find_value('file', $zone_conf);
$real_file = $config{'chroot'} . &absolute_path($file) if (defined($file));


if ($reverse && ($master || $slave)) {
	@rcodes = ('PTR', 'NS', 'CNAME', 'DNAME', 'HINFO', 'TXT', 'RP', 'LOC', 'ALL');
}
elsif ($master || $slave) {
	@rcodes = ('A', 'AAAA', 'NS', 'CNAME', 'DNAME', 'MX', 'HINFO', 'TXT',
		   'WKS', 'RP', 'LOC', 'SRV', 'KEY', 'ALL');
}
elsif ($stub || $hint) {
	@rcodes = ('A', 'AAAA', 'NS', 'ALL');
}

if (@rcodes) {
	foreach $code (@rcodes) {
		$rnum{$code} = 0;
	}

#	@recs = grep { ! $_->{'generate'} } &get_zone($zone, $file, $origin, undef, $type);
	@recs = &get_zone($zone, $file, $origin, undef, $type);

	foreach $rec (@recs) {
		$rnum{'ALL'}++;
		$rnum{$rec->{'type'}}++;
	}
}


$zone_hdr = &zone_header($dynamic_zone, $origin, $text{ucfirst($type)});

&header($text{"${type}_title"}, '', undef, 0, 0, 0, undef, undef, undef, $zone_hdr);

$zone_hdr = $origin;

unless ($config{'display_fqdn'}) {
	$zone_hdr = &convert_fqdn(-1, $zone_hdr, '.', 1);
}

$zone_hdr = $text{'Root'} if ($zone_hdr eq '.');

print '<center><font size=+2>', $zone_hdr, "</font></center><hr><p>\n";


$named_status = &named_running();


if (@rcodes) {
	&seen_no_recs($file, $named_status, $type) unless (@recs || $hint);

	if (($config{'record_filter'} > 0 &&
			 $config{'record_filter'} <= ($#recs + 1)) && ! $hint) {
		&show_filter();
	}

	if ($config{'show_list'}) {
		$mid = int((@rcodes + 1) / 2);

		print "<table width=100%><tr><td width=50% valign=top>\n";

		&types_table(@rcodes[0 .. $mid - 1]);

		print "</td><td width=50% valign=top>\n";

		&types_table(@rcodes[$mid .. $#rcodes]);

		print "</td></tr></table>\n";
	}
	else {
		$link = "edit_recs.cgi?index=$in{'index'}&view=$in{'view'}&file=${file}&ztype=${type}";

		$link .= '&hide=' . &urlize($hide_recs) if ($hide_recs);
		$link .= '&show=' . &urlize($show_recs) if ($show_recs);
		$link .= '&use_value=1' if ($in{'use_value'});

		for ($rec = 0; $rec < @rcodes; $rec++) {
			$rtype = $rcodes[$rec];

			push(@rlinks, $link . "&type=$rtype");

			push(@rtitles, $text{"type_$rtype"} . " ($rnum{$rtype})");

			push(@ricons, "images/${rtype}.gif");
		}

		&icons_table(\@rlinks, \@rtitles, \@ricons);
	}
}


#
# Create links to icons for changing zone options etc.
#

$link = "index=$in{'index'}&view=$in{'view'}&dynamic=$dynamic_zone";

push(@links, ($access{'file'} && defined($file) && -e $real_file) ?
		"edit_text.cgi?${link}&type=${type}&file=${file}" : '');
push(@titles, $text{'master_manual'});
push(@icons, 'images/text.gif');

push(@links, ($access{'params'} &&
	      (($dynamic_zone && $named_status == 1) || ! $dynamic_zone) &&
	      ($master || $slave_upd)) ?
		"edit_soa.cgi?${link}&type=${type}" : '');
push(@titles, $text{'master_soa'});
push(@icons, 'images/soa.gif');

push(@links, ($access{'opts'}) ?
		"edit_${type}_options.cgi?${link}&file=${file}" : '');
push(@titles, $text{'master_options'});
push(@icons, 'images/options.gif');

push(@links, ($access{'findfree'} && ($master || $slave_upd)) ?
		"find_free.cgi?index=$in{'index'}&view=$in{'view'}" : '');
push(@titles, $text{'findfree_desc'});
push(@icons, 'images/findfree.gif');

push(@links, ($access{'gen'} && $master && defined($file) && (! $dynamic_zone ||
	      ($named_status <= 0 && $access{'dyn_as_static'})) &&
	      $origin !~ /\.ip6\.arpa\.$/o) ?
		"list_gen.cgi?${link}&type=${type}&file=${file}" : '');
push(@titles, $text{'gen_title'});
push(@icons, 'images/gen.gif');

print '<hr>' unless ($forward);

&icons_table(\@links, \@titles, \@icons, 5);


$disabled = ($access{'delete'} && ! $access{'ro'}) ? '' : 'disabled';

print '<hr><table width=100%>';

print '<form action=delete_zone.cgi>';

print '<input type=hidden name=index value="', $in{'index'}, '">';
print '<input type=hidden name=view value="', $in{'view'}, '">';
print '<input type=hidden name=type value="', $type, '">';
print '<input type=hidden name=file value="', $file, '">';

print '<tr><td>';
print "<input type=submit $disabled value=\"&nbsp;", $text{'master_del'},
      '&nbsp;&nbsp;">';
print '</td><td valign=center>', $text{'master_delmsg'};

print "</td></tr></form>\n";

$disabled = ($access{'apply'} && ! $access{'ro'} && $named_status == 1) ? '' : 'disabled';

print '<form action=rndc_cmd.cgi>';

print '<input type=hidden name=index value="', $in{'index'}, '">';
print '<input type=hidden name=view value="', $in{'view'}, '">';
print '<input type=hidden name=type value="', $type, '">';

print '<input type=hidden name=cmd value="';

if ($in{'new_zone'} || $dynamic_zone) {
	print 'reconfig';
}
else {
	print ($in{'cmd'} ? $in{'cmd'} : 'reload');
}

print '">';

print '<tr><td><br>';
print "<input type=submit $disabled value=\"", $text{'master_apply'}, '">';
print '</td><td valign=center><br>', (($master && ! $dynamic_zone) || $hint) ?
		$text{'master_apply_stat_msg'} : $text{'master_apply_dyn_msg'};

print "</td></tr></form></table><hr>\n";

&footer('', $text{'index_return'});

exit;


#
# types_table(&rec_types, &rec_count)
#

sub types_table {

	my $i = 0;

	my $url2 = "&file=$file&ztype=$type\">";

	my $url = "<tr $cb><td><table width=100%><tr $cb><td>" .
		  '<a href="edit_recs.cgi?index=' .
		  "$in{'index'}&view=$in{'view'}";
	$url .= '&hide=' . &urlize($hide_recs) if ($hide_recs);
	$url .= '&show=' . &urlize($show_recs) if ($show_recs);
	$url .= '&use_value=1' if ($in{'use_value'});
	$url .= '&type=';


	if ($_[0]) {
		print '<table border width=100%>';

		print "<tr $tb><td><b>$text{'master_type'}</b></td>",
		      "<td><b>$text{'master_records'}</b></td></tr>\n";

		for ($i = 0; defined($_[$i]); $i++) {
			$rtype = $_[$i];

			print $url, $rtype, $url2, $text{"recs_$rtype"},
			      '</a></td><td align=right>';

			print '(', $rtype, ')&nbsp;&nbsp;' if ($rtype ne 'ALL');

			print '</td></table></td><td>', $rnum{$rtype},
			      "</td></tr>\n";
		}

		print "</table>\n";
	}

	return;
}


sub show_filter {

	print '<table width=100%><tr><td>';
	print "<table border width=100%><tr $tb><td><b>",
		$text{'edit_record_filters'}, "</b></td></tr>\n";

	print '<form action="edit_zone.cgi">';

	print '<input type=hidden name=index value="', $in{'index'}, '">';
	print '<input type=hidden name=view value="', $in{'view'}, '">' if ($in{'view'});
	print "<input type=hidden name=type value=$type>";

	print "<tr $cb><td><table width=100%><tr><td><table width=100%>\n";

	print '<tr><td width=50% align=center><b>', $text{'edit_hide_records'},
		' &nbsp;</b>';
	print '<input name=hide size=34 value="', $hide_recs, '"></td>';

	print '<td width=50% align=center><b>', $text{'edit_show_records'},
		' &nbsp;</b>';
	print '<input name=show size=34 value="', $show_recs, '"></td></tr></table></td></tr>';

	print '<tr><td><table width=100%>';

	print '<tr><td width=50% align=center>';
	printf '<input type=checkbox name=use_value value=1 %s> %s</td>',
			&checked($in{'use_value'}), $text{'edit_use_value'};
	print '<td width=25% align=right><input type=submit name=clear value="',
		$text{'edit_clear_filters'}, '">&nbsp;</td>';
	print '<td width=25% align=left>&nbsp;<input type=submit value="',
		$text{'edit_set_filters'}, '"></td></tr>';

	print '</table></td></tr>';
	print '</table></td></tr></form></table>';
	print "</td></tr></table><br>\n";

	return;
}