save_slave.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.
#

#
# Save changes to slave zone options.
#

use strict;
no strict 'vars';

require './b9ddns-lib.pl';


my $indent = 0;

my $conf = my $zone_conf = my $view = my $base = '';
my $fn1 = my $fn2 = '';


&ReadParse();

$conf = &get_config();

$indent = 1;

if ($in{'view'}) {
	$indent++;

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

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

&error_setup($text{'slave_err'});

%access = &get_module_acl();

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

if ($access{'ro'}) {
	&terror('master_ero');
}

unless ($access{'opts'}) {
	&terror('master_eoptscannot');
}


#
# If 'automatic' has been selected, then get the file name and just treat
# it as if the user had manually entered it in.
#

$base = &zone_dir(0, \%access);

if ($in{'file_def'} == 2) {
	$in{'file_def'} = 0;

	$in{'file'} = &create_zone_fn($conf, $zone_conf->{'value'}, $in{'rev'}, \%access, $base);
}


unless ($in{'file'} =~ /^\//o) {
	$in{'file'} = $base . '/' . $in{'file'};
}

$fn1 = $in{'file'};
$fn2 = &absolute_path($in{'oldfile'});

$base = &base_directory();

$in{'file'} =~ s/^$base\/// if ($base);	# Only need to save the shortened name.


&lock_file($config{'chroot'} . $zone_conf->{'file'});

&save_addr_match('masters', $zone_conf, $indent, 1, 1);

&save_opt('file', \&file_check, $zone_conf, $indent);

&save_addr_match('allow-query', $zone_conf, $indent);


if ($in{'type'} eq 'slave') {		# It's a slave zone - not a stub.
	&save_opt('max-transfer-time-in', \&mtti_check, $zone_conf, $indent);

	&save_addr_match('allow-transfer', $zone_conf, $indent, 0, 0);

	&save_addr_match('allow-update-forwarding', $zone_conf, $indent, 0, 0);
}


&flush_file_lines();

&unlock_file($config{'chroot'} . $zone_conf->{'file'});

&webmin_log('opts', undef, $zone_conf->{'value'}, \%in);


&redirect("edit_zone.cgi?index=$in{'index'}&view=$in{'view'}&type=$in{'type'}&cmd=reconfig");

exit;


sub mtti_check {

	if ($in{'max_transfer_time_in_def'} == 0) {
		if (! $_[0]) {
			return &text('slave_emax_none');
		}
		elsif ($_[0] =~ /\D/o) {
			return &text('slave_emax', $_[0]);
		}
	}

	return undef;
}


sub file_check {

	return &zone_file_check($conf, $_[0], \%access, ($fn1 ne $fn2));
}