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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* DNS servers controller manages DNS zones and records
*
* @author David Raška
* @package Controller
*/
class Dns_Controller extends Controller
{
/**
* Redirects to show all
*/
public function index()
{
url::redirect('dns/show_all');
}
/**
* Function adds new DNS zone
*
* @param integer $parent_zone
*/
public function add($parent_zone = NULL)
{
// access control
if (!$this->acl_check_new('Dns_Controller','zone'))
Controller::error(ACCESS);

$pz = NULL;
if ($parent_zone !== NULL && intval($parent_zone))
{
$pz = new Dns_zone_Model($parent_zone);
if (!$pz->id)
{
Controller::error(PARAMETER);
}
}
// Find IP addresses with running DNS servers
$dns_servers = ORM::factory('ip_address')->where(array('dns' => 1))->
find_all()->select_list('id', 'ip_address');
$dzm = new Dns_zones_map_Model();
// creates new form
$this->form = $form = new Forge();
$form->set_attr('id', 'new_zone_form');
$form->input('zone')
->help(__('dns_zone'))
->rules('required')
->class('domain_name');
if ($pz)
{
$form->zone->class('join1');
$form->input('parent')
->class('join2')
->disabled('disabled')
->value('.'.$pz->zone.'.');
$primary_selected = $pz->ip_address_id;
$secondary_selected = $dzm->get_secondary_servers_ids($pz->id);
$nameserver = $pz->nameserver;
$email = $pz->email;
$refresh = $pz->refresh;
$retry = $pz->retry;
$expire = $pz->expire;
$nx = $pz->nx;
$ttl = $pz->ttl;
}
else
{
$primary_selected = 0;
$secondary_selected = array();
$nameserver = '';
$email = Settings::get('email_default_email');
$refresh = '1h';
$retry = '10m';
$expire = '1d';
$nx = '1h';
$ttl = '';
}
$form->input('ttl')
->class('ttl')
->label('TTL')
->value($ttl);
$form->group('DNS servers');
$form->dropdown('primary')
->label('Primary server')
->options($dns_servers)
->rules('required')
->selected($primary_selected);
$form->dropdown('secondary[]')
->label('Secondary servers')
->options($dns_servers)
->selected($secondary_selected)
->multiple('multiple');
$form->group('SOA record');
$form->input('nameserver')
->label('Primary name server')
->rules('required|length[0,255]')
->value($nameserver)
->class('domain_name');
$form->input('sn')
->label('Zone serial number')
->help(__('dns_zone_sn'))
->disabled('disabled')
->value(date('Ymd')."00");
$form->input('email')
->label('Zone administrator E-mail')
->value($email)
->rules('required|length[5,255]')
->class('email');
$form->input('ref')
->label('Zone refresh time')
->value($refresh)
->class('ttl')
->rules('required');
$form->input('ret')
->label('Zone retry update time')
->value($retry)
->class('ttl')
->rules('required');
$form->input('exp')
->label('Zone expire time')
->value($expire)
->class('ttl')
->rules('required');
$form->input('nxttl')
->label('Zone not exists time')
->value($nx)
->class('ttl')
->rules('required');
$form->group('DNS records');
$form->submit('Add');
if (!$pz)
{
$title = __('Add new zone');
}
else
{
$title = __('Add new subzone');
}
if ($form->validate())
{
$form_array = $form->as_array();
$zone = new Dns_zone_Model();
$zone->transaction_start();
try
{
if ($pz)
{
$zone->zone = trim($form_array['zone'], '. ').'.'.$pz->zone;
}
else
{
$zone->zone = trim($form_array['zone'], '. ');
}
$zone->ttl = $form_array['ttl'];
$zone->nameserver = $form_array['nameserver'];
$zone->email = $form_array['email'];
$zone->sn = date('Ymd').'00';
$zone->refresh = $form_array['ref'];
$zone->retry = $form_array['ret'];
$zone->expire = $form_array['exp'];
$zone->nx = $form_array['nxttl'];
$zone->ip_address_id = $form_array['primary'];
$zone->save_throwable();
$zone->transaction_commit();
$dzm->add_secondary_servers($zone->id, $form_array['secondary']);
// save dns records
if (isset($_POST['name']))
{
$zone->transaction_start();
foreach ($_POST['name'] AS $k => $v)
{
$rec = new Dns_record_Model();
$rec->dns_zone_id = $zone->id;
$rec->name = $_POST['name'][$k];
$rec->ttl = (isset($_POST['rttl']) ? $_POST['rttl'][$k] : '');
$rec->type = $_POST['type'][$k];
$rec->value = $_POST['data'][$k];
switch ($_POST['type'][$k])
{
case 'A':
case 'AAAA':
$rec->param = (isset($_POST['ptr']) ? $_POST['ptr'][$k] : '');
break;
case 'MX':
$rec->param = $_POST['priority'][$k];
break;
default:
$rec->param = '';
}
$rec->save_throwable();
}
$zone->transaction_commit();
// message
status::success('Zone has been successfully added.');
}
}
catch (Exception $e)
{
$zone->transaction_rollback();
// message
status::error('Error - cannot add zone', $e);
}
$this->redirect('dns/show_all');
}
// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('dns/show_all', 'DNS',
$this->acl_check_view('Dns_Controller', 'zone'))
->disable_translation()
->text($title);

$view = new View('main');
$view->breadcrumbs = $breadcrumbs->html();
$view->title = $title;
$view->content = new View('form');
$view->content->headline = $title;
$view->content->form = $form->html();
$view->render(TRUE);
}
/**
* Function edits DNS zone
*
* @param integer $zone
*/
public function edit($zone = NULL)
{
// access control
if (!$this->acl_check_edit('Dns_Controller','zone'))
Controller::error(ACCESS);
$zone = new Dns_zone_Model($zone);
if (!$zone->id)
{
Controller::error(RECORD);
}
// Find IP addresses with running DNS servers
$dns_servers = ORM::factory('ip_address')->where(array('dns' => 1))->
find_all()->select_list('id', 'ip_address');
$dzm = new Dns_zones_map_Model();
// creates new form
$this->form = $form = new Forge();
$form->set_attr('id', 'new_zone_form');
$form->input('zone')
->help(__('dns_zone'))
->rules('required')
->value($zone->zone)
->class('domain_name');
$form->input('ttl')
->label('TTL')
->class('ttl')
->value($zone->ttl);
$form->group('DNS servers');
$form->dropdown('primary')
->label('Primary server')
->options($dns_servers)
->rules('required')
->selected($zone->ip_address_id);
$form->dropdown('secondary[]')
->label('Secondary servers')
->options($dns_servers)
->selected($dzm->get_secondary_servers_ids($zone->id))
->multiple('multiple');
$form->group('SOA record');
$form->input('nameserver')
->label('Primary name server')
->rules('required')
->value($zone->nameserver)
->class('domain_name');
// Increment serial number counter
if (date('Ymd') == substr($zone->sn, 0, 8))
{
$sn = substr($zone->sn, 0, 8). sprintf('%02d', intval(substr($zone->sn, 8)) + 1);
}
else
{
$sn = date('Ymd').'00';
}
$form->input('sn')
->label('Zone serial number')
->help(__('dns_zone_sn'))
->disabled('disabled')
->value($sn);
$form->input('email')
->label('Zone administrator E-mail')
->value($zone->email)
->rules('required|length[5,255]')
->class('email');
$form->input('ref')
->label('Zone refresh time')
->value($zone->refresh)
->rules('required')
->class('ttl');
$form->input('ret')
->label('Zone retry update time')
->value($zone->retry)
->rules('required')
->class('ttl');
$form->input('exp')
->label('Zone expire time')
->value($zone->expire)
->rules('required')
->class('ttl');
$form->input('nxttl')
->label('Zone not exists time')
->value($zone->nx)
->rules('required')
->class('ttl');
$form->group('DNS records');
$form->submit('Edit');
if ($form->validate())
{
$form_array = $form->as_array();
$zone->transaction_start();
try
{
$zone->zone = trim($form_array['zone'], '. ');
$zone->ttl = $form_array['ttl'];
$zone->sn = $sn;
$zone->nameserver = $form_array['nameserver'];
$zone->email = $form_array['email'];
$zone->refresh = $form_array['ref'];
$zone->retry = $form_array['ret'];
$zone->expire = $form_array['exp'];
$zone->nx = $form_array['nxttl'];
$zone->ip_address_id = $form_array['primary'];
$zone->save_throwable();
$zone->transaction_commit();
$dzm->delete_secondary_servers($zone->id);
$dzm->add_secondary_servers($zone->id, $form_array['secondary']);
if (isset($_POST['name']))
{
$zone->transaction_start();
// update old
foreach ($_POST['name'] AS $k => $v)
{
if (intval($_POST['id'][$k]) == 0)
{
// create new
$rec = new Dns_record_Model();
}
else
{
// update old
$rec = new Dns_record_Model(intval($_POST['id'][$k]));
}
$rec->dns_zone_id = $zone->id;
$rec->name = $_POST['name'][$k];
$rec->ttl = (isset($_POST['rttl']) ? $_POST['rttl'][$k] : '');
$rec->type = $_POST['type'][$k];
$rec->value = $_POST['data'][$k];
switch ($_POST['type'][$k])
{
case 'A':
case 'AAAA':
$rec->param = (isset($_POST['ptr']) && isset($_POST['ptr'][$k]) ? $_POST['ptr'][$k] : '');
break;
case 'MX':
$rec->param = $_POST['priority'][$k];
break;
}
$rec->save_throwable();
}
$zone->transaction_commit();
}
// delete old
if (isset($_POST['deleted']))
{
$zone->transaction_start();
$arr = array_map('intval', @$_POST['deleted']);
debug::vardump($arr);
$rec = new Dns_record_Model();
$rec->delete_all($arr);
$zone->transaction_commit();
}
// message
status::success('Zone has been successfully updated.');
}
catch (Exception $e)
{
$zone->transaction_rollback();
status::error('Error - cant update zone.', $e);
}
$this->redirect(Path::instance()->previous());
}
$title = __('Edit zone');
// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('dns/show_all', 'DNS',
$this->acl_check_view('Dns_Controller', 'zone'))
->disable_translation()
->link('dns/show/'.$zone->id, $zone->zone . ' (' . $zone->id . ')',
$this->acl_check_view('Dns_Controller', 'zone'))
->enable_translation()
->text($title)
->html();
$view = new View('main');
$view->breadcrumbs = $breadcrumbs;
$view->title = $title;
$view->content = new View('form');
$view->content->headline = $title;
$view->content->form = $form->html();
$view->render(TRUE);
}
/**
* Show zone details and records
*
* @param integer $zone_id
*/
public function show($zone_id = NULL)
{
// check param
if (!$zone_id || !is_numeric($zone_id))
{
Controller::warning(PARAMETER);
}
// check access
if (!$this->acl_check_view('Dns_Controller', 'zone'))
{
Controller::error(ACCESS);
}

// load model
$zone = new Dns_zone_Model($zone_id);
$dzm = new Dns_zones_map_Model();
$record_model = new Dns_record_Model();
// check exists
if (!$zone->id)
{
Controller::error(RECORD);
}
$headline = $zone->zone . ' (' . $zone_id . ')';
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('dns/show_all', 'DNS',
$this->acl_check_view('Dns_Controller', 'zone'))
->disable_translation()
->text($headline)
->html();
// view
$view = new View('main');
$view->title = $headline;
$view->content = new View('dns/show');
$view->breadcrumbs = $breadcrumbs;
$view->content->zone = $zone;
// add zone master server
$view->content->a_records = $record_model->get_fqdn_records_in_zone($zone_id, 'A');
$view->content->aaaa_records = $record_model->get_fqdn_records_in_zone($zone_id, 'AAAA');
$view->content->cname_records = $record_model->get_fqdn_records_in_zone($zone_id, 'CNAME');
$view->content->ns_records = $record_model->get_fqdn_records_in_zone($zone_id, 'NS');
$view->content->mx_records = $record_model->get_fqdn_records_in_zone($zone_id, 'MX');
$view->content->secondary_servers = $dzm->get_secondary_servers($zone_id);
$view->render(TRUE);
}
/**
* Function shows all zones.
*
* @param integer $limit_results
* @param string $order_by
* @param string $order_by_direction
* @param integer $page_word
* @param integer $page
*/
public function show_all(
$limit_results = 50, $order_by = 'id', $order_by_direction = 'asc',
$page_word = null, $page = 1)
{
if (!$this->acl_check_view('Dns_Controller','zone'))
Controller::error(ACCESS);
$filter_form = new Filter_form();
$filter_form->add('id')
->type('number');
$filter_form->add('zone')
->callback('json/dns_zone');
$filter_form->add('ip_address')
->label('Primary server')
->callback('json/primary_dns_server');
$filter_form->add('name')
->label('Record name');
$filter_form->add('type')
->label('Record type')
->type('select')
->values(array('A', 'AAAA', 'CNAME', 'NS', 'MX'));
$filter_form->add('value')
->label('Record value');
// get new selector
if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');
// parameters control
$allowed_order_type = array
(
'id', 'domain', 'access_time'
);
if (!in_array(strtolower($order_by), $allowed_order_type))
$order_by = 'id';
if (strtolower($order_by_direction) != 'desc')
$order_by_direction = 'asc';
$dns_zone_model = new Dns_zone_Model();
// hide grid on its first load (#442)
$hide_grid = Settings::get('grid_hide_on_first_load') && $filter_form->is_first_load();
if (!$hide_grid)
{
try
{
$total_zones = $dns_zone_model->count_all_zones($filter_form->as_sql());

if (($sql_offset = ($page - 1) * $limit_results) > $total_zones)
$sql_offset = 0;

$query = $dns_zone_model->get_all_zones(
$sql_offset, (int)$limit_results, $order_by,
$order_by_direction, $filter_form->as_sql()
);
}
catch (Exception $e)
{
if ($filter_form->is_loaded_from_saved_query())
{
status::error('Invalid saved query', $e);
// disable default query (loop protection)
if ($filter_form->is_loaded_from_default_saved_query())
{
ORM::factory('filter_query')->remove_default($filter_form->get_base_url());
}
$this->redirect(url_lang::current());
}
throw $e;
}
}
$grid = new Grid('dns', null, array
(
'current' => $limit_results,
'selector_increace' => 50,
'selector_min' => 50,
'selector_max_multiplier' => 10,
'base_url' => Config::get('lang').'/dns/show_all/'
. $limit_results.'/'.$order_by.'/'.$order_by_direction ,
'uri_segment' => 'page',
'total_items' => isset($total_zones) ? $total_zones : 0,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results,
'filter' => $filter_form
));
$grid->order_field('id')
->label('ID');
$grid->order_callback_field('zone')
->callback(array($this, 'zone_link'));
$grid->callback_field('id')
->label('Zone records')
->callback(array($this, 'zone_records'));
$grid->order_callback_field('access_time')
->callback('callback::dns_servers_last_access_diff_field')
->label('Last access time');
$actions = $grid->grouped_action_field();
if ($this->acl_check_view('Dns_Controller', 'zone'))
{
$actions->add_action('id')
->icon_action('show')
->url('dns/show')
->label('Show zone');
}
if ($this->acl_check_edit('Dns_Controller', 'zone'))
{
$actions->add_action('id')
->icon_action('edit')
->url('dns/edit')
->label('Edit zone');
}
if ($this->acl_check_new('Dns_Controller', 'zone'))
{
$actions->add_action('id')
->icon_action('new')
->url('dns/add')
->label('Add new subzone');
}
if ($this->acl_check_delete('Dns_Controller', 'zone'))
{
$actions->add_conditional_action('id')
->icon_action('delete')
->url('dns/delete')
->class('delete_link')
->label('Delete zone');
}
if (!$hide_grid)
$grid->datasource($query);
if ($this->acl_check_new('Dns_Controller', 'zone'))
{
$grid->add_new_button('/dns/add', 'Add new zone');
}
$headline = __('List of all zones');
// bread crumbs
$breadcrumbs = breadcrumbs::add(false)
->text('DNS')
->html();
$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs;
$view->content = new View('show_all');
$view->content->headline = $headline;
$view->content->table = $grid;
$view->render(TRUE);
} // end of show_all function
/**
* Callback function for zone name link
*
* @param object $item
* @param string $name
*/
public static function zone_link($item, $name)
{
echo "<a target='_blank' href='http://".$item->zone."'>".$item->zone."</a>";
}
/**
* Callback function for zone records
*
* @param object $item
* @param string $name
*/
public static function zone_records($item, $name)
{
$dr = new Dns_record_Model();
echo $dr->get_records_types_in_zone($item->id);
}
// TODO: move to web_interface controller
/**
* Deletes zone and records
*
* @param integer $zone_id
*/
public function delete($zone_id = NULL)
{
// check param
if (!$zone_id || !is_numeric($zone_id))
{
Controller::warning(PARAMETER);
}
// check access
if (!$this->acl_check_delete('Dns_Controller', 'zone'))
{
Controller::error(ACCESS);
}

// load model
$zone_model = new Dns_zone_Model($zone_id);
// check exists
if (!$zone_model->id)
{
Controller::error(RECORD);
}
// delete (dns records are deleted by forein keys)
if ($zone_model->delete())
{
status::success('Zone has been successfully deleted.');
}
else
{
status::error('Error - cant delete this zone.');
}

// redirect to show all
url::redirect('dns/show_all/');
}
public static function generate_config($ip_address)
{
$dzm = new Dns_zones_map_Model();
// Get zones managed by given DNS server
$zone_model = new Dns_zone_Model();
$prim_zones = $zone_model->get_zones_of_primary_server($ip_address->id);
$sec_zones = $zone_model->get_zones_of_secondary_server($ip_address->id);
$zones_array = array();
$zone_ids = array();
$ipv4ptr = array();
$ipv6ptr = array();
// Primary server
if ($prim_zones)
{
foreach ($prim_zones as $z)
{
$zone_ids[] = $z->id;
$zone = array();
// Zone name
$zone['zone'] = $z->zone;
$zone['ttl'] = $z->ttl;
$zone['ns'] = $z->nameserver;
$zone['mail'] = str_replace('@', '.', $z->email);
$zone['sn'] = $z->sn;
$zone['ref'] = $z->refresh;
$zone['ret'] = $z->retry;
$zone['ex'] = $z->expire;
$zone['nx'] = $z->nx;
// IP addresses of slave servers allowed to transfer zone
$zone['slaves'] = $dzm->get_secondary_servers_ips($z->id);
$zone['records'] = array();
// Add default NS record
$zone['records'][] = array
(
'name' => '',
'ttl' => $z->ttl == NULL ? $z->nx : $z->ttl,
'type' => 'NS',
'value' => $z->nameserver.'.',
);
$zone['records'][] = array
(
'name' => $z->nameserver.'.',
'ttl' => $z->ttl == NULL ? $z->nx : $z->ttl,
'type' => 'A',
'value' => $ip_address->ip_address,
);
// Add zone records
if ($z->dns_records)
{
foreach ($z->dns_records as $r)
{
$rec = $r->as_array();
// Create FQDN value for NS record
if ($rec['type'] == 'NS')
{
if (substr($rec['value'], -1) != '.')
{
$rec['value'] .= '.' . $zone['zone'] . '.';
}
}
// Create FQDN value for PTR record
if ($rec['name'] == '' || $rec['name'] == '@')
{
$data = $zone['zone'].'.';
}
else if (substr($rec['name'], -1) == '.')
{
$data = $rec['name'];
}
else
{
$data = $rec['name'] . '.' . $zone['zone'] . '.';
}
// Create IPv4 PTR record
if ($rec['type'] == 'A' && $rec['param'] == 'on')
{
$ip = explode('.', $rec['value']);
// Create SOA for reverse zone
if (!isset($ipv4ptr[$ip[0]]))
{
$ipv4ptr[$ip[0]] = array
(
'zone' => $ip[0].'.in-addr.arpa',
'ttl' => dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl),
'ns' => $z->nameserver,
'mail' => str_replace('@', '.', $z->email),
'sn' => dns::get_seconds_from_ttl($z->sn),
'ref' => dns::get_seconds_from_ttl($z->refresh),
'ret' => dns::get_seconds_from_ttl($z->retry),
'ex' => dns::get_seconds_from_ttl($z->expire),
'nx' => dns::get_seconds_from_ttl($z->nx),
'records' => array
(
array
(
'name' => '@',
'ttl' => '',
'type' => 'NS',
'value' => $z->nameserver.'.',
)
)
);
}
else
{
if (dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl) < $ipv4ptr[$ip[0]]['ttl'])
{
$ipv4ptr[$ip[0]]['ttl'] = dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl);
}
if (dns::get_seconds_from_ttl($z->refresh) < $ipv4ptr[$ip[0]]['ref'])
{
$ipv4ptr[$ip[0]]['ref'] = dns::get_seconds_from_ttl($z->refresh);
}
if (dns::get_seconds_from_ttl($z->retry) < $ipv4ptr[$ip[0]]['ret'])
{
$ipv4ptr[$ip[0]]['ret'] = dns::get_seconds_from_ttl($z->retry);
}
if (dns::get_seconds_from_ttl($z->expire) < $ipv4ptr[$ip[0]]['ex'])
{
$ipv4ptr[$ip[0]]['ex'] = dns::get_seconds_from_ttl($z->expire);
}
if (dns::get_seconds_from_ttl($z->nx) < $ipv4ptr[$ip[0]]['nx'])
{
$ipv4ptr[$ip[0]]['nx'] = dns::get_seconds_from_ttl($z->nx);
}
if ($z->sn > $ipv4ptr[$ip[0]]['sn'])
{
$ipv4ptr[$ip[0]]['sn'] = $z->sn + 1;
}
}
// Add record
$ipv4ptr[$ip[0]]['records'][] = array
(
'name' => implode('.', array_reverse($ip)).'.in-addr.arpa.',
'ttl' => '',
'type' => 'PTR',
'value' => $data,
);
}
// Create IPv6 PTR record
if ($rec['type'] == 'AAAA' && $rec['param'] == 'on')
{
$ip = explode(':', $rec['value']);
// Decompress IPv6 address to full length
if (($pos = array_search('', $ip)) !== FALSE)
{
$count = count($ip);
$ip[$pos] = '0000';
for ($i = 0; $i < 8-$count; $i++)
{
array_splice($ip, $pos, 0, '0000');
}
foreach ($ip as $k => $i)
{
$ip[$k] = num::null_fill($i, 4);
}
}
$rev_ip = array_reverse(str_split(implode('', $ip)));
$prefix = implode('.', array_slice($rev_ip, -16));
// Create SOA for reverse zone
if (!isset($ipv6ptr[$prefix]))
{
$ipv6ptr[$prefix] = array
(
'zone' => $prefix.'.ip6.arpa',
'ttl' => dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl),
'ns' => $z->nameserver,
'mail' => str_replace('@', '.', $z->email),
'sn' => dns::get_seconds_from_ttl($z->sn),
'ref' => dns::get_seconds_from_ttl($z->refresh),
'ret' => dns::get_seconds_from_ttl($z->retry),
'ex' => dns::get_seconds_from_ttl($z->expire),
'nx' => dns::get_seconds_from_ttl($z->nx),
'records' => array
(
array
(
'name' => '@',
'ttl' => '',
'type' => 'NS',
'value' => $z->nameserver.'.',
)
)
);
}
else
{
if (dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl) < $ipv6ptr[$prefix]['ttl'])
{
$ipv6ptr[$prefix]['ttl'] = dns::get_seconds_from_ttl($z->ttl == NULL ? $rec['ttl'] : $z->ttl);
}
if (dns::get_seconds_from_ttl($z->refresh) < $ipv6ptr[$prefix]['ref'])
{
$ipv6ptr[$prefix]['ref'] = dns::get_seconds_from_ttl($z->refresh);
}
if (dns::get_seconds_from_ttl($z->retry) < $ipv6ptr[$prefix]['ret'])
{
$ipv6ptr[$prefix]['ret'] = dns::get_seconds_from_ttl($z->retry);
}
if (dns::get_seconds_from_ttl($z->expire) < $ipv6ptr[$prefix]['ex'])
{
$ipv6ptr[$prefix]['ex'] = dns::get_seconds_from_ttl($z->expire);
}
if (dns::get_seconds_from_ttl($z->nx) < $ipv6ptr[$prefix]['nx'])
{
$ipv6ptr[$prefix]['nx'] = dns::get_seconds_from_ttl($z->nx);
}
if ($z->sn > $ipv6ptr[$prefix]['sn'])
{
$ipv6ptr[$prefix]['sn'] = $z->sn + 1;
}
}
// Add record
$ipv6ptr[$prefix]['records'][] = array
(
'name' => implode('.', $rev_ip).'.ip6.arpa.',
'ttl' => '',
'type' => 'PTR',
'value' => $data,
);
}
$zone['records'][] = $rec;
}
}
$zones_array['master'][] = $zone;
}
}
// Add IPv4 reverse records
foreach ($ipv4ptr as $zone)
{
$zones_array['master'][] = $zone;
}
// IPv6 reverse records
foreach ($ipv6ptr as $zone)
{
$zones_array['master'][] = $zone;
}
// Secondary server
if ($sec_zones)
{
foreach ($sec_zones as $z)
{
$zone = array();
$zone['zone'] = $z->zone;
$zone['master'] = $z->ip_address;
$zones_array['slave'][] = $zone;
}
}
// Set access time
$zone_model->set_access_time_for_zones($zone_ids);
return $zones_array;
}
}
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