| | |
| | | } |
| | | |
| | | //* This creates DNSSEC-Keys and calls soa_dnssec_update. |
| | | function soa_dnssec_create($data) { |
| | | function soa_dnssec_create(&$data) { |
| | | global $app, $conf; |
| | | |
| | | //* Load libraries |
| | |
| | | //* Check Entropy |
| | | if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 400) { |
| | | $app->log('DNSSEC ERROR: We are low on entropy. Not generating new Keys for '.$domain.'. Please consider installing package haveged.', LOGLEVEL_WARN); |
| | | echo "DNSSEC ERROR: We are low on entropy. Not generating new Keys for $domain. Please consider installing package haveged.\n"; |
| | | return false; |
| | | } |
| | | |
| | | //* Verify that we do not already have keys (overwriting-protection) |
| | | //TODO : change this when distribution information has been integrated into server record |
| | | if (file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$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 '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. |
| | | '/usr/sbin/dnssec-keygen -a NSEC3RSASHA1 -b 2048 -n ZONE '.escapeshellcmd($domain).';'. |
| | | '/usr/sbin/dnssec-keygen -f KSK -a NSEC3RSASHA1 -b 4096 -n ZONE '.escapeshellcmd($domain)); |
| | | 'dnssec-keygen -a NSEC3RSASHA1 -b 2048 -n ZONE '.escapeshellcmd($domain).';'. |
| | | 'dnssec-keygen -f KSK -a NSEC3RSASHA1 -b 4096 -n ZONE '.escapeshellcmd($domain)); |
| | | |
| | | $this->soa_dnssec_update($data, true); //Now sign the zone |
| | | $this->soa_dnssec_sign($data); //Now sign the zone for the first time |
| | | $data['new']['dnssec_initialized']='Y'; |
| | | } |
| | | |
| | | function soa_dnssec_sign(&$data) { |
| | | global $app, $conf; |
| | | |
| | | //* 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-'.$domain.'.'); |
| | | opendir($dns_config['bind_zonefiles_dir']); |
| | | $dnssecdata .= "\n------------------------------------\n\nDNSKEY-Records:\n"; |
| | | foreach (glob('K'.$domain.'*.key') as $keyfile) { |
| | | foreach (glob($dns_config['bind_zonefiles_dir'].'/K'.$domain.'*.key') as $keyfile) { |
| | | $dnssecdata .= file_get_contents($keyfile)."\n\n"; |
| | | } |
| | | |
| | | $app->db->query('UPDATE dns_soa SET dnssec_info=\''.$dnssecdata.'\', dnssec_initialized=\'Y\' WHERE id='.$data['new']['id']); |
| | | if ($app->dbmaster !== $app->db) $app->dbmaster->query('UPDATE dns_soa SET dnssec_info=?, dnssec_initialized=\'Y\', dnssec_last_signed=? WHERE id=?', $dnssecdata, intval(time()), intval($data['new']['id'])); |
| | | $app->db->query('UPDATE dns_soa SET dnssec_info=?, dnssec_initialized=\'Y\', dnssec_last_signed=? WHERE id=?', $dnssecdata, intval(time()), intval($data['new']['id'])); |
| | | } |
| | | |
| | | function soa_dnssec_update($data, $new=false) { |
| | | function soa_dnssec_update(&$data, $new=false) { |
| | | global $app, $conf; |
| | | |
| | | //* Load libraries |
| | |
| | | //* Check for available entropy |
| | | if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 200) { |
| | | $app->log('DNSSEC ERROR: We are low on entropy. This could cause server script to fail. Please consider installing package haveged.', LOGLEVEL_ERR); |
| | | echo "DNSSEC ERROR: We are low on entropy. This could cause server script to fail. Please consider installing package haveged.\n"; |
| | | return false; |
| | | } |
| | | |
| | | if (!$new && !file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.')) return $this->soa_dnssec_create($data); |
| | | 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']); |
| | | $dbdata = $app->db->queryOneRecord('SELECT id,serial FROM dns_soa WHERE id=?', intval($data['new']['id'])); |
| | | exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. |
| | | '/usr/sbin/named-checkzone '.escapeshellcmd($domain).' '.escapeshellcmd($dns_config['bind_zonefiles_dir']).'/'.$filespre.escapeshellcmd($domain).' | egrep -ho \'[0-9]{10}\'', $serial, $retState); |
| | | 'named-checkzone '.escapeshellcmd($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; |
| | | } |
| | | |
| | | opendir($dns_config['bind_zonefiles_dir']); |
| | | $zonefile = file_get_contents(escapeshellcmd($dns_config['bind_zonefiles_dir']).'/'.$filespre.escapeshellcmd($domain)); |
| | | $keycount=0; |
| | | foreach (glob('K'.$domain.'*.key') as $keyfile) { |
| | | $includeline = '$INCLUDE '.$keyfile; |
| | | if (!preg_match('/'.$line.'/', $zonefile)) $zonefile .= "\n".$includeline."\n"; |
| | | $keycount++; |
| | | } |
| | | if ($keycount > 2) $app->log('DNSSEC Warning: There are more than 2 keyfiles for zone '.$domain, LOGLEVEL_WARN); |
| | | file_put_contents($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain, $zonefile); |
| | | $this->soa_dnssec_sign($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'); |
| | | |
| | | //Sign the zone and set it valid for max. 16 days |
| | | exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'. |
| | | '/usr/sbin/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)); |
| | | //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.'.'); |
| | | |
| | | if ($app->dbmaster !== $app->db) $app->dbmaster->query('UPDATE dns_soa SET dnssec_info=\'\', dnssec_initialized=\'N\' WHERE id=?', intval($data['new']['id'])); |
| | | $app->db->query('UPDATE dns_soa SET dnssec_info=\'\', dnssec_initialized=\'N\' WHERE id=?', intval($data['new']['id'])); |
| | | } |
| | | |
| | | function soa_insert($event_name, $data) { |
| | |
| | | |
| | | //* DNSSEC-Implementation |
| | | if($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); |