From cb009ea988b84e7a76a14ec90db46f3e6ab14d95 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?A=2E=20T=C3=A4ffner?= <darkalex@firesplash.de> Date: Fri, 22 Jan 2016 15:37:12 +0100 Subject: [PATCH] first test (proof of concept) Signing is not working, I need a energy drink to proceed... --- server/plugins-available/bind_plugin.inc.php | 33 ++++++++++++-------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/server/plugins-available/bind_plugin.inc.php b/server/plugins-available/bind_plugin.inc.php index e230d02dbd..64fb1de637 100644 --- a/server/plugins-available/bind_plugin.inc.php +++ b/server/plugins-available/bind_plugin.inc.php @@ -86,8 +86,11 @@ class bind_plugin { //* 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'].'/'.$domain)) return false; + if (!file_exists($dns_config['bind_zonefiles_dir'].'/'.$filespre.$domain)) return false; //* Check Entropy if (file_get_contents('/proc/sys/kernel/random/entropy_avail') < 400) { @@ -115,7 +118,7 @@ class bind_plugin { $dnssecdata .= file_get_contents($keyfile)."\n\n"; } - $app->db->query('UPDATE dns_soa SET dnssec_info=\''.$dnssecdata.'\' WHERE id='.$data['new']['id']); + $app->db->query('UPDATE dns_soa SET dnssec_info=\''.$dnssecdata.'\', dnssec_initialized=\'Y\' WHERE id='.$data['new']['id']); } function soa_dnssec_update($data, $new=false) { @@ -123,14 +126,17 @@ class bind_plugin { //* 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 + //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) { $app->log('DNSSEC ERROR: We are low on entropy. This could cause server script to fail. Please consider installing package haveged.', LOGLEVEL_ERR); return false; @@ -138,15 +144,15 @@ class bind_plugin { if (!$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}\''); + 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; + } 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 $keyfile) { @@ -157,8 +163,9 @@ class bind_plugin { if ($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, $zonefile); + //Sign the zone and set it valid for max. 16 days exec('cd '.escapeshellcmd($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)); + '/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)); } function soa_insert($event_name, $data) { -- GitLab