dns_boot.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.
#

#
# Create an empty named.conf file and start the name server.
#

use strict;
no strict 'vars';

require './b9ddns-lib.pl';


my $conf_directory = my $conf_file = my $conf_temp = '';
my $pid_file = my $err = '';


&ReadParse();

$conf_directory = ($config{'master_dir'} ? $config{'master_dir'} : '/var/named');

$pid_file = $config{'pid_file'} || '/var/run/named.pid';

$conf_file = $config{'chroot'} . $config{'named_conf'};

&lock_file($conf_file);

$conf_temp = &tempname('webmin.named.conf');

if (open(BOOT, ">$conf_temp")) {
	print BOOT "options {\n";
	print BOOT "\tdirectory \"$conf_directory\";\n";
	print BOOT "\tpid-file \"$pid_file\";\n";
	print BOOT "\t};\n";
	print BOOT "\n";

	close(BOOT);
}
else {
	$err = $!;

	&terror('boot_open_err', $err);
}


$conf_directory = $config{'chroot'} . $conf_directory;

unless (-d $conf_directory) {
	mkdir($conf_directory, 0755);
	&set_ownership($conf_directory, 1);
}

if ($pid_file =~ /^(\S+)\/[^\/\s]+$/o) {
	$pid_file = $config{'chroot'} . $1;

	unless (-d $pid_file) {
		mkdir($pid_file, 0755);
		&set_ownership($pid_file, 1);
	}
}

system("cp $conf_temp $conf_file 2>/dev/null");

unlink $conf_temp;

&unlock_file($conf_file);


&set_ownership($conf_file, 0);


&webmin_log('boot');


&redirect('start_named.cgi?start=1');

exit;