From 0498958cdb72d67da419749c05b5b29b13be61fa Mon Sep 17 00:00:00 2001
From: A. Täffner <darkalex@firesplash.de>
Date: Fri, 22 Jan 2016 08:04:44 -0500
Subject: [PATCH] addad update. Currently nothing is working :p Supposed behaviour just committing to have a point to roll back ICoE
---
server/plugins-available/bind_plugin.inc.php | 78 ++++++++++++++++++++++++++++++--------
1 files changed, 61 insertions(+), 17 deletions(-)
diff --git a/server/plugins-available/bind_plugin.inc.php b/server/plugins-available/bind_plugin.inc.php
index 01332c7..e230d02 100644
--- a/server/plugins-available/bind_plugin.inc.php
+++ b/server/plugins-available/bind_plugin.inc.php
@@ -76,8 +76,8 @@
}
- //* This creates DNSSEC-Keys but does NOT actually sign the zone.
- function soa_dnssec_create(&$data) {
+ //* This creates DNSSEC-Keys and calls soa_dnssec_update.
+ function soa_dnssec_create($data) {
global $app, $conf;
//* Load libraries
@@ -86,35 +86,79 @@
//* load the server configuration options
$dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns');
+ $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1);
+ if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$domain)) return false;
+
//* Check Entropy
if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 400) {
- if($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'].'.')) {
+ if (file_exists($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.')) {
return $this->soa_dnssec_update($data);
}
//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']).';'.
+ '/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));
+
+ $this->soa_dnssec_update($data, true); //Now sign the zone
- $dnssecdata = "DS-Records:\n\r".file_get_contents($dns_config['bind_zonefiles_dir'].'/dsset-'.$data['new']['origin'].'.');
+ $dnssecdata = "DS-Records:\n".file_get_contents($dns_config['bind_zonefiles_dir'].'/dsset-'.$domain.'.');
opendir($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";
+ $dnssecdata .= "\n------------------------------------\n\nDNSKEY-Records:\n";
+ foreach (glob('K'.$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.'\' WHERE id='.$data['new']['id']);
+ }
+
+ function soa_dnssec_update($data, $new=false) {
+ global $app, $conf;
+
+ //* Load libraries
+ $app->uses("getconf,tpl");
+
+ $domain = substr($data['new']['origin'], 0, strlen($data['new']['origin'])-1);
+ if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$domain)) return false;
+
+ //* load the server configuration options
+ $dns_config = $app->getconf->get_server_config($conf["server_id"], 'dns');
+
+ //* Check 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.'.')) return $this->soa_dnssec_create($data);
+
+ //TODO : change this when distribution information has been integrated into server record
+ $filespre = (file_exists('/etc/gentoo-release')) ? 'pri/' : 'pri.';
+
+ $dbdata = $app->db->queryOneRecord('SELECT id,serial FROM dns_soa WHERE id='.$data['new']['id']);
+ $newserial = exec('cd '.escapeshellcmd($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}\'');
+
+ opendir($dns_config['bind_zonefiles_dir']);
+ $includeline=array();
+ $zonefile = file_get_contents(escapeshellcmd($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, $zonefile);
+
+ exec('cd '.escapeshellcmd($dns_config['bind_zonefiles_dir']).';'.
+ '/usr/sbin/dnssec-signzone -A -3 $(head -c 1000 /dev/random | sha1sum | cut -b 1-16) -N increment -o '.escapeshellcmd($domain).' -t '.$filespre.escapeshellcmd($domain));
}
function soa_insert($event_name, $data) {
@@ -201,7 +245,7 @@
$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.
--
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