From 5ca959fa688255a8de61f89fe2751eb4d24a6912 Mon Sep 17 00:00:00 2001 From: Florian Schaal <florian@schaal-24.de> Date: Tue, 22 Mar 2016 09:22:07 -0400 Subject: [PATCH] fixed typo --- server/plugins-available/bind_plugin.inc.php | 138 +++++++++++++++++++++++++++++++++++++++------ 1 files changed, 118 insertions(+), 20 deletions(-) diff --git a/server/plugins-available/bind_plugin.inc.php b/server/plugins-available/bind_plugin.inc.php index 1fceb34..cede1cb 100644 --- a/server/plugins-available/bind_plugin.inc.php +++ b/server/plugins-available/bind_plugin.inc.php @@ -76,7 +76,7 @@ } - //* This creates DNSSEC-Keys but does NOT actually sign the zone. + //* This creates DNSSEC-Keys and calls soa_dnssec_update. function soa_dnssec_create(&$data) { global $app, $conf; @@ -86,35 +86,133 @@ //* load the server configuration options $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns'); + //TODO : change this when distribution information has been integrated into server record + $filespre = (file_exists('/etc/gentoo-release')) ? 'pri/' : 'pri.'; + + $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1); + if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain)) return false; + //* Check Entropy if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 400) { - if($dns_config['disable_bind_log'] === 'y') { - $app->log('DNSSEC ERROR: We are low on entropy. Not generating new Keys for '.$data['new']['origin'].'. Please consider installing package haveged.', LOGLEVEL_DEBUG); - } else { - $app->log('DNSSEC ERROR: We are low on entropy. Not generating new Keys for '.$data['new']['origin'].'. Please consider installing package haveged.', LOGLEVEL_WARN); - } + $app->log('DNSSEC ERROR: We are low on entropy. Not generating new Keys for '.$domain.'. Please consider installing package haveged.', LOGLEVEL_WARN); return false; } //* Verify that we do not already have keys (overwriting-protection) - //TODO : change this when distribution information has been integrated into server record - if (file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$data['new']['origin'].'.')) { - return $this->soa_dnssec_update(&$data); + if (file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.')) { + return $this->soa_dnssec_update($data); + } else if ($data['new']['dnssec_initialized'] == 'Y') { //In case that we generated keys but the dsset-file was not generated + $keycount=0; + foreach (glob($dns_config['bind_zonefiles_dir'].'/K'.$domain.'*.key') as $keyfile) { + $keycount++; + } + if ($keycount > 0) { + $this->soa_dnssec_sign($data); + return true; + } } //Do some magic... - exec('cd '.escapeshellargs($dns_config['bind_zonefiles_dir']).';'. - 'dnssec-keygen -a NSEC3RSASHA1 -b 2048 -n ZONE '.escapeshellargs($data['new']['origin']).';'. - 'dnssec-keygen -f KSK -a NSEC3RSASHA1 -b 4096 -n ZONE '.escapeshellargs($data['new']['origin'])); + exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. + 'dnssec-keygen -a NSEC3RSASHA1 -b 2048 -n ZONE '.escapeshellcmd($domain).';'. + 'dnssec-keygen -f KSK -a NSEC3RSASHA1 -b 4096 -n ZONE '.escapeshellcmd($domain)); + + $this->soa_dnssec_sign($data); //Now sign the zone for the first time + $data['new']['dnssec_initialized']='Y'; + } + + function soa_dnssec_sign(&$data) { + global $app, $conf; - $dnssecdata = "DS-Records:\n\r".file_get_contents($dns_config['bind_zonefiles_dir'].'/dsset-'.$data['new']['origin'].'.'); - opendir($dns_config['bind_zonefiles_dir']); - $dnssecdata .= "\n\r------------------------------------\n\r\n\rDNSKEY-Records:\n\r" - foreach (glob('K'.$data['new']['origin'].'*.key') as $keyfile) { - $dnssecdata .= file_get_contents($keyfile)."\n\r\n\r"; + //* Load libraries + $app->uses("getconf,tpl"); + + //* load the server configuration options + $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns'); + + //TODO : change this when distribution information has been integrated into server record + $filespre = (file_exists('/etc/gentoo-release')) ? 'pri/' : 'pri.'; + + $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1); + if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain)) return false; + + $zonefile = file_get_contents($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain); + $keycount=0; + foreach (glob($dns_config['bind_zonefiles_dir'].'/K'.$domain.'*.key') as $keyfile) { + $includeline = '$INCLUDE '.basename($keyfile); + if (!preg_match('@'.preg_quote($includeline).'@', $zonefile)) $zonefile .= "\n".$includeline."\n"; + $keycount++; + } + if ($keycount != 2) $app->log('DNSSEC Warning: There are more or less than 2 keyfiles for zone '.$domain, LOGLEVEL_WARN); + file_put_contents($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain, $zonefile); + + //Sign the zone and set it valid for max. 16 days + exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. + 'dnssec-signzone -A -e +1382400 -3 $(head -c 1000 /dev/random | sha1sum | cut -b 1-16) -N increment -o '.escapeshellcmd($domain).' -t '.$filespre.escapeshellcmd($domain)); + + //Write Data back ino DB + $dnssecdata = "DS-Records:\n".file_get_contents($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.'); + $dnssecdata .= "\n------------------------------------\n\nDNSKEY-Records:\n"; + foreach (glob($dns_config['bind_zonefiles_dir'].'/K'.$domain.'*.key') as $keyfile) { + $dnssecdata .= file_get_contents($keyfile)."\n\n"; } - $app->db->datalogUpdate('dns_soa', array('dnssec_info' => $dnssecdata), 'id', $data['new']['id']); + $app->db->query('UPDATE dns_soa SET dnssec_info=\''.$dnssecdata.'\', dnssec_initialized=\'Y\', dnssec_last_signed=\''.time().'\' WHERE id='.$data['new']['id']); + } + + function soa_dnssec_update(&$data, $new=false) { + 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'); + + //TODO : change this when distribution information has been integrated into server record + $filespre = (file_exists('/etc/gentoo-release')) ? 'pri/' : 'pri.'; + + $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1); + if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain)) return false; + + //* Check for available entropy + if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 200) { + $app->log('DNSSEC ERROR: We are low on entropy. This could cause server script to fail. Please consider installing package haveged.', LOGLEVEL_ERR); + return false; + } + + if (!$new && !file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.')) $this->soa_dnssec_create($data); + + $dbdata = $app->db->queryOneRecord('SELECT id,serial FROM dns_soa WHERE id='.$data['new']['id']); + exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. + 'named-checkzone '.escapeshellcmd($domain).' '.escapeshellcmd($dns_config['bind_zonefiles_dir']).'/'.$filespre.escapeshellcmd($domain).' | egrep -ho \'[0-9]{10}\'', $serial, $retState); + if ($retState != 0) { + $app->log('DNSSEC Error: Error in Zonefile for '.$domain, LOGLEVEL_ERR); + return false; + } + + $this->soa_dnssec_sign($data); + } + + function soa_dnssec_delete(&$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'); + + //TODO : change this when distribution information has been integrated into server record + $filespre = (file_exists('/etc/gentoo-release')) ? 'pri/' : 'pri.'; + + $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1); + + unlink($dns_config['bind_zonefiles_dir'].'/K'.$domain.'.+*'); + unlink($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain.'.signed'); + unlink($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.'); + + $app->db->query('UPDATE dns_soa SET dnssec_info=\'\', dnssec_initialized=\'N\' WHERE id='.$data['new']['id']); } function soa_insert($event_name, $data) { @@ -188,7 +286,7 @@ //* DNSSEC-Implementation if($data['old']['origin'] != $data['new']['origin']) { - if (@$data['old']['dnssec_initialized'] == 'Y' && strlen(@$data['old']['origin']) > 3) exec('/usr/local/ispconfig/server/scripts/dnssec-delete.sh '.escapeshellcmd($data['old']['origin'])); //delete old keys + if (@$data['old']['dnssec_initialized'] == 'Y' && strlen(@$data['old']['origin']) > 3) $this->soa_dnssec_delete($data); //delete old keys if ($data['new']['dnssec_wanted'] == 'Y') $this->soa_dnssec_create($data); } else if ($data['new']['dnssec_wanted'] == 'Y' && $data['old']['dnssec_initialized'] == 'N') $this->soa_dnssec_create($data); @@ -201,7 +299,7 @@ $filename = $dns_config['bind_zonefiles_dir'].'/pri.'.str_replace("/", "_", substr($data['old']['origin'], 0, -1)); } if(is_file($filename.'.signed')) unlink($filename.'.signed'); - } else if ($data['new']['dnssec_wanted'] == 'Y') exec('/usr/local/ispconfig/server/scripts/dnssec-update.sh '.escapeshellcmd($data['new']['origin'])); + } else if ($data['new']['dnssec_wanted'] == 'Y') $this->soa_dnssec_update($data); // END DNSSEC //* rebuild the named.conf file if the origin has changed or when the origin is inserted. -- Gitblit v1.9.1