From afee192d2a77afa1c11d25156d0a44df94e19aed Mon Sep 17 00:00:00 2001
From: A. Täffner <darkalex@firesplash.de>
Date: Sat, 23 Jan 2016 07:30:37 -0500
Subject: [PATCH] fixed the cronjob and noticed a bug in ISPC but not able to report as FlySpray is offline
---
server/plugins-available/bind_plugin.inc.php | 154 ++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 145 insertions(+), 9 deletions(-)
diff --git a/server/plugins-available/bind_plugin.inc.php b/server/plugins-available/bind_plugin.inc.php
index 3836e7e..46311dd 100644
--- a/server/plugins-available/bind_plugin.inc.php
+++ b/server/plugins-available/bind_plugin.inc.php
@@ -76,6 +76,144 @@
}
+ //* This creates DNSSEC-Keys and calls soa_dnssec_update.
+ function soa_dnssec_create(&$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;
+
+ //* 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);
+ return false;
+ }
+
+ //* Verify that we do not already have keys (overwriting-protection)
+ 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));
+
+ $this->soa_dnssec_sign($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']).';'.
+ '/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));
+
+ //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";
+ }
+
+ $app->db->query('UPDATE dns_soa SET dnssec_info=\''.$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($dns_config['bind_zonefiles_dir']).';'.
+ '/usr/sbin/named-checkzone '.escapeshellcmd($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) {
global $app, $conf;
@@ -148,12 +286,11 @@
//* DNSSEC-Implementation
if($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 ($data['new']['dnssec_wanted'] == 'Y') exec('/usr/local/ispconfig/server/scripts/dnssec-create.sh '.escapeshellcmd($data['new']['origin'])); //Create new keys for new origin
+ 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);
}
- if ($data['new']['dnssec_wanted'] == 'Y' AND $data['new']['dnssec_initialized'] == 'N') if ($data['new']['dnssec_wanted'] == 'Y') exec('/usr/local/ispconfig/server/scripts/dnssec-create.sh '.escapeshellcmd($data['new']['origin'])); //Create new keys for new origin
- else if ($data['old']['dnssec_wanted'] == 'Y') exec('/usr/local/ispconfig/server/scripts/dnssec-update.sh '.escapeshellcmd($data['new']['origin']));
- if($data['old']['dnssec_initialized'] == 'Y' && $data['new']['dnssec_wanted'] == 'N') { //delete old signed file if dnssec is no longer wanted
+ else if ($data['new']['dnssec_wanted'] == 'Y' && $data['old']['dnssec_initialized'] == 'N') $this->soa_dnssec_create($data);
+ else if ($data['new']['dnssec_wanted'] == 'N' && $data['old']['dnssec_initialized'] == 'Y') { //delete old signed file if dnssec is no longer wanted
//TODO : change this when distribution information has been integrated into server record
if (file_exists('/etc/gentoo-release')) {
$filename = $dns_config['bind_zonefiles_dir'].'/pri/'.str_replace("/", "_", substr($data['old']['origin'], 0, -1));
@@ -162,7 +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') $this->soa_dnssec_update($data);
// END DNSSEC
//* rebuild the named.conf file if the origin has changed or when the origin is inserted.
@@ -346,7 +483,7 @@
global $app, $conf;
//* Only write the master file for the current server
- $tmps = $app->db->queryAllRecords("SELECT origin, xfer, also_notify, update_acl, dnssec_initialized FROM dns_soa WHERE active = 'Y' AND server_id=?", $conf["server_id"]);
+ $tmps = $app->db->queryAllRecords("SELECT origin, xfer, also_notify, update_acl, dnssec_wanted FROM dns_soa WHERE active = 'Y' AND server_id=?", $conf["server_id"]);
$zones = array();
//* Check if the current zone that triggered this function has at least one NS record
@@ -364,9 +501,8 @@
//* Loop trough zones
foreach($tmps as $tmp) {
-
$zone_file = $pri_zonefiles_path.str_replace("/", "_", substr($tmp['origin'], 0, -1));
- if ($tmp['dnssec_initialized'] == 'Y') $zone_file .= '.signed' //.signed is for DNSSEC-Implementation
+ if ($tmp['dnssec_wanted'] == 'Y') $zone_file .= '.signed'; //.signed is for DNSSEC-Implementation
$options = '';
if(trim($tmp['xfer']) != '') {
--
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