From 08cc7f673c377bf88897743e340097e93f1e95f4 Mon Sep 17 00:00:00 2001 From: ftimme <ft@falkotimme.com> Date: Wed, 16 Jan 2013 09:30:05 -0500 Subject: [PATCH] - Changed regex for redirect path (Web sites, subdomains, vhost subdomains, alias domains) and web folder (vhost subdomains) so that ".." is not allowed (in order to prevent path traversals). - nginx: don't allow folders for proxy redirects (subdomains and alias domains); URL is required. - nginx: modified rewriting. --- server/plugins-available/bind_plugin.inc.php | 233 ++++++++++++++++++++++++++++++++++++++++++++++++++++----- 1 files changed, 211 insertions(+), 22 deletions(-) diff --git a/server/plugins-available/bind_plugin.inc.php b/server/plugins-available/bind_plugin.inc.php index 9c6e232..49ca191 100644 --- a/server/plugins-available/bind_plugin.inc.php +++ b/server/plugins-available/bind_plugin.inc.php @@ -39,7 +39,7 @@ function onInstall() { global $conf; - if(isset($conf['bind']['installed']) && $conf['bind']['installed'] == true) { + if(isset($conf['bind']['installed']) && $conf['bind']['installed'] == true && @is_link('/usr/local/ispconfig/server/mods-enabled/dns_module.inc.php')) { return true; } else { return false; @@ -63,6 +63,11 @@ $app->plugins->registerEvent('dns_soa_insert',$this->plugin_name,'soa_insert'); $app->plugins->registerEvent('dns_soa_update',$this->plugin_name,'soa_update'); $app->plugins->registerEvent('dns_soa_delete',$this->plugin_name,'soa_delete'); + + //* SLAVE + $app->plugins->registerEvent('dns_slave_insert',$this->plugin_name,'slave_insert'); + $app->plugins->registerEvent('dns_slave_update',$this->plugin_name,'slave_update'); + $app->plugins->registerEvent('dns_slave_delete',$this->plugin_name,'slave_delete'); //* RR $app->plugins->registerEvent('dns_rr_insert',$this->plugin_name,'rr_insert'); @@ -99,13 +104,31 @@ $records = $app->db->queryAllRecords("SELECT * FROM dns_rr WHERE zone = ".$zone['id']." AND active = 'Y'"); $tpl->setLoop('zones',$records); - - $filename = escapeshellcmd($dns_config['bind_zonefiles_dir'].'/pri.'.substr($zone['origin'],0,-1)); - $app->log("Writing BIND domain file: ".$filename,LOGLEVEL_DEBUG); + + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $filename = escapeshellcmd($dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_", substr($zone['origin'],0,-1))); + } + else { + $filename = escapeshellcmd($dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_", substr($zone['origin'],0,-1))); + } + file_put_contents($filename,$tpl->grab()); - exec('chown '.escapeshellcmd($dns_config['bind_user']).':'.escapeshellcmd($dns_config['bind_group']).' '.$filename); + chown($filename, escapeshellcmd($dns_config['bind_user'])); + chgrp($filename, escapeshellcmd($dns_config['bind_group'])); + + //* Check the zonefile + if(is_file($filename.'.err')) unlink($filename.'.err'); + exec('named-checkzone '.escapeshellarg($zone['origin']).' '.escapeshellarg($filename),$out,$return_status); + if($return_status === 0) { + $app->log("Writing BIND domain file: ".$filename,LOGLEVEL_DEBUG); + } else { + $app->log("Writing BIND domain file failed: ".$filename." ".implode(' ',$out),LOGLEVEL_WARN); + rename($filename,$filename.'.err'); + } unset($tpl); unset($records); + unset($records_out); unset($zone); } @@ -116,8 +139,16 @@ //* Delete old domain file, if domain name has been changed if($data['old']['origin'] != $data['new']['origin']) { - $filename = $dns_config['bind_zonefiles_dir'].'/pri.'.substr($data['old']['origin'],0,-1); - if(is_file($filename)) unset($filename); + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $filename = $dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_", substr($zone['origin'],0,-1)); + } + else { + $filename = $dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_", substr($zone['origin'],0,-1)); + } + + if(is_file($filename)) unlink($filename); + if(is_file($filename.'.err')) unlink($filename.'.err'); } //* Reload bind nameserver @@ -129,20 +160,107 @@ global $app, $conf; //* load the server configuration options - $app->uses("getconf"); + $app->uses("getconf,tpl"); $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns'); //* rebuild the named.conf file $this->write_named_conf($data,$dns_config); //* Delete the domain file - $filename = $dns_config['bind_zonefiles_dir'].'/pri.'.substr($data['old']['origin'],0,-1); - if(is_file($filename)) unset($filename); - $app->log("Deleting BIND domain file: ".$filename,LOGLEVEL_DEBUG); + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $zone_file_name = $dns_config['bind_zonefiles_dir'].'/pri/'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + else { + $zone_file_name = $dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + + if(is_file($zone_file_name)) unlink($zone_file_name); + if(is_file($zone_file_name.'.err')) unlink($zone_file_name.'.err'); + $app->log("Deleting BIND domain file: ".$zone_file_name,LOGLEVEL_DEBUG); //* Reload bind nameserver $app->services->restartServiceDelayed('bind','reload'); + } + + function slave_insert($event_name,$data) { + global $app, $conf; + + $this->action = 'insert'; + $this->slave_update($event_name,$data); + + } + + function slave_update($event_name,$data) { + global $app, $conf; + + //* Load libraries + $app->uses("getconf,tpl"); + + //* load the server configuration options + $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns'); + + //* rebuild the named.conf file if the origin has changed or when the origin is inserted. + //if($this->action == 'insert' || $data['old']['origin'] != $data['new']['origin']) { + $this->write_named_conf($data,$dns_config); + //} + + //* Delete old domain file, if domain name has been changed + if($data['old']['origin'] != $data['new']['origin']) { + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $filename = $dns_config['bind_zonefiles_dir'].'/sec/'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + else { + $filename = $dns_config['bind_zonefiles_dir'].'/slave/sec.'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + + if(is_file($filename)) unset($filename); + } + + //* Ensure that the named slave directory is writable by the named user + if (file_exists('/etc/gentoo-release')) { + $slave_record_dir = $dns_config['bind_zonefiles_dir'].'/sec'; + } else { + $slave_record_dir = $dns_config['bind_zonefiles_dir'].'/slave'; + } + if(!@is_dir($slave_record_dir)) mkdir($slave_record_dir,0770); + chown($slave_record_dir,$dns_config['bind_user']); + chgrp($slave_record_dir,$dns_config['bind_group']); + + //* Reload bind nameserver + $app->services->restartServiceDelayed('bind','reload'); + + } + + function slave_delete($event_name,$data) { + global $app, $conf; + + + //* load the server configuration options + $app->uses("getconf,tpl"); + $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns'); + + //* rebuild the named.conf file + $this->write_named_conf($data,$dns_config); + + //* Delete the domain file + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $zone_file_name = $dns_config['bind_zonefiles_dir'].'/sec/'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + else { + $zone_file_name = $dns_config['bind_zonefiles_dir'].'/slave/sec.'.str_replace("/", "_",substr($data['old']['origin'],0,-1)); + } + + if(is_file($zone_file_name)) unlink($zone_file_name); + $app->log("Deleting BIND domain file for secondary zone: ".$zone_file_name,LOGLEVEL_DEBUG); + + //* Reload bind nameserver + $app->services->restartServiceDelayed('bind','reload'); + + } function rr_insert($event_name,$data) { @@ -173,7 +291,7 @@ global $app, $conf; //* Get the data of the soa and call soa_update - $tmp = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".$data['old']['zone']); + $tmp = $app->db->queryOneRecord("SELECT * FROM dns_soa WHERE id = ".intval($data['old']['zone'])); $data["new"] = $tmp; $data["old"] = $tmp; $this->action = 'update'; @@ -185,22 +303,93 @@ function write_named_conf($data, $dns_config) { global $app, $conf; - - $tmps = $app->db->queryAllRecords("SELECT origin FROM dns_soa WHERE active = 'Y'"); + + //* Only write the master file for the current server + $tmps = $app->db->queryAllRecords("SELECT origin, xfer, also_notify, update_acl FROM dns_soa WHERE active = 'Y' AND server_id=".$conf["server_id"]); $zones = array(); - foreach($tmps as $tmp) { - $zones[] = array( 'zone' => substr($tmp['origin'],0,-1), - 'zonefile_path' => $dns_config['bind_zonefiles_dir'].'/pri.'.substr($tmp['origin'],0,-1) - ); - } + //* Check if the current zone that triggered this function has at least one NS record + /* Has been replaced by a better zone check + $rec_num = $app->db->queryOneRecord("SELECT count(id) as ns FROM dns_rr WHERE type = 'NS' AND zone = ".intval($data['new']['id'])." AND active = 'Y'"); + if($rec_num['ns'] == 0) { + $exclude_zone = $data['new']['origin']; + } else { + $exclude_zone = ''; + } + */ + + //TODO : change this when distribution information has been integrated into server record + if (file_exists('/etc/gentoo-release')) { + $pri_zonefiles_path = $dns_config['bind_zonefiles_dir'].'/pri/'; + $sec_zonefiles_path = $dns_config['bind_zonefiles_dir'].'/sec/'; + + } + else { + $pri_zonefiles_path = $dns_config['bind_zonefiles_dir'].'/pri.'; + $sec_zonefiles_path = $dns_config['bind_zonefiles_dir'].'/slave/sec.'; + } + + //* Loop trough zones + foreach($tmps as $tmp) { + + $zone_file = $pri_zonefiles_path.str_replace("/", "_",substr($tmp['origin'],0,-1)); + + $options = ''; + if(trim($tmp['xfer']) != '') { + $options .= " allow-transfer {".str_replace(',',';',$tmp['xfer']).";};\n"; + } else { + $options .= " allow-transfer {none;};\n"; + } + if(trim($tmp['also_notify']) != '') $options .= ' also-notify {'.str_replace(',',';',$tmp['also_notify']).";};\n"; + if(trim($tmp['update_acl']) != '') $options .= " allow-update {".str_replace(',',';',$tmp['update_acl']).";};\n"; + + if(file_exists($zone_file)) { + $zones[] = array( 'zone' => substr($tmp['origin'],0,-1), + 'zonefile_path' => $zone_file, + 'options' => $options + ); + } + } + $tpl = new tpl(); $tpl->newTemplate("bind_named.conf.local.master"); $tpl->setLoop('zones',$zones); - file_put_contents($dns_config['named_conf_local_path'],$tpl->grab()); - $app->log("Writing BIND named.conf.local file: ".$dns_config['named_conf_local_path'],LOGLEVEL_DEBUG); + //* And loop through the secondary zones, but only for the current server + $tmps_sec = $app->db->queryAllRecords("SELECT origin, xfer, ns FROM dns_slave WHERE active = 'Y' AND server_id=".$conf["server_id"]); + $zones_sec = array(); + + foreach($tmps_sec as $tmp) { + + $options = " masters {".$tmp['ns'].";};\n"; + if(trim($tmp['xfer']) != '') { + $options .= " allow-transfer {".str_replace(',',';',$tmp['xfer']).";};\n"; + } else { + $options .= " allow-transfer {none;};\n"; + } + + + $zones_sec[] = array( 'zone' => substr($tmp['origin'],0,-1), + 'zonefile_path' => $sec_zonefiles_path.str_replace("/", "_",substr($tmp['origin'],0,-1)), + 'options' => $options + ); + +// $filename = escapeshellcmd($dns_config['bind_zonefiles_dir'].'/slave/sec.'.substr($tmp['origin'],0,-1)); +// $app->log("Writing BIND domain file: ".$filename,LOGLEVEL_DEBUG); + + + } + $tpl_sec = new tpl(); + $tpl_sec->newTemplate("bind_named.conf.local.slave"); + $tpl_sec->setLoop('zones',$zones_sec); + + file_put_contents($dns_config['named_conf_local_path'],$tpl->grab()."\n".$tpl_sec->grab()); + $app->log("Writing BIND named.conf.local file: ".$dns_config['named_conf_local_path'],LOGLEVEL_DEBUG); + + unset($tpl_sec); + unset($zones_sec); + unset($tmps_sec); unset($tpl); unset($zones); unset($tmps); @@ -212,4 +401,4 @@ } // end class -?> \ No newline at end of file +?> -- Gitblit v1.9.1