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freenetis-github/application/controllers/ip_addresses.php @ 3802a400

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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/
*
*/

/**
* Controller performs actions over IP adresses of network.
* Each IP address belongs to subnet and correspondes to subnet mask.
*
* @package Controller
*/
class Ip_addresses_Controller extends Controller
{
/**
* Form of app
*
* @var Forge
*/
protected $form;
/**
* IP address ID
*
* @var integer
*/
protected $ip_address_id;
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/**
* Constructor, only test if networks is enabled
*/
public function __construct()
{
parent::__construct();
// access control
if (!Settings::get('networks_enabled'))
Controller::error (ACCESS);
}
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/**
* Index redirects to show all
*/
public function index()
{
url::redirect('ip_addresses/show_all');
}

/**
* Shows all ip addresses.
*
* @param integer $limit_results ip addresses per page
* @param string $order_by sorting column
* @param string $order_by_direction sorting direction
*/
public function show_all(
$limit_results = 50, $order_by = 'ip_address',
$order_by_direction = 'asc', $page_word = null, $page = 1)
{
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if (!$this->acl_check_view('Ip_addresses_Controller', 'ip_address'))
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Controller::error(ACCESS);
$ip_model = new Ip_address_Model();
// get new selector
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if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');
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$filter_form = new Filter_form('ip');
$filter_form->add('ip_address')
->type('network_address')
->class(array
(
Filter_form::OPER_IS => 'ip_address',
Filter_form::OPER_IS_NOT => 'ip_address',
Filter_form::OPER_NETWORK_IS_IN => 'cidr',
Filter_form::OPER_NETWORK_IS_NOT_IN => 'cidr',
));
$filter_form->add('subnet_name')
->type('combo')
->callback('json/subnet_name');
$filter_form->add('device_name')
->callback('json/device_name');
$filter_form->add('gateway')
->type('select')
->values(arr::rbool());
$filter_form->add('service')
->type('select')
->values(arr::rbool());
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if (module::e('notification'))
{
$filter_form->add('whitelisted')
->type('select')
->label('Whitelist')
->values(Ip_address_Model::get_whitelist_types());
}
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$total_ip = $ip_model->count_all_ip_addresses($filter_form->as_sql());
if (($sql_offset = ($page - 1) * $limit_results) > $total_ip)
$sql_offset = 0;
$query = $ip_model->get_all_ip_addresses(
$sql_offset, $limit_results, $order_by,
$order_by_direction, $filter_form->as_sql()
);

$grid = new Grid('ip_addresses', '', array
(
'current' => $limit_results,
'selector_increace' => 50,
'selector_min' => 50,
'selector_max_multiplier' => 20,
'base_url' => Config::get('lang').'/ip_addresses/show_all/'
. $limit_results.'/'.$order_by.'/'.$order_by_direction ,
'uri_segment' => 'page',
'total_items' => $total_ip,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results,
'filter' => $filter_form
));

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if ($this->acl_check_new('Ip_addresses_Controller', 'ip_address'))
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{
$grid->add_new_button('ip_addresses/add', __('Add new IP address'));
}
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$grid->order_field('ip_address')
->label('IP address');
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$grid->order_link_field('subnet_id')
->link('subnets/show', 'subnet_name')
->label('Subnet');
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$grid->order_callback_field('gateway')
->label('Gateway')
->help(help::hint('gateway'))
->callback('boolean')
->class('center');
$grid->order_callback_field('service')
->label('Service')
->help(help::hint('service'))
->callback('boolean')
->class('center');
if (module::e('notification'))
{
$grid->order_callback_field('whitelisted')
->label('Whitelist')
->help(help::hint('Whitelist'))
->callback('whitelisted_field')
->class('center');
}
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$grid->order_callback_field('device_name')
->label('Device name')
->callback('callback::device_field');
$actions = $grid->grouped_action_field();
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if ($this->acl_check_view('Ip_addresses_Controller', 'ip_address'))
{
$actions->add_action('id')
->icon_action('show')
->url('ip_addresses/show')
->class('popup_link');
}
if ($this->acl_check_edit('Ip_addresses_Controller', 'ip_address'))
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{
$actions->add_action('id')
->icon_action('edit')
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->url('ip_addresses/edit')
->class('popup_link');
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}
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if ($this->acl_check_delete('Ip_addresses_Controller', 'ip_address'))
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{
$actions->add_action('id')
->icon_action('delete')
->url('ip_addresses/delete')
->class('delete_link');
}
$grid->datasource( $query );

$view = new View('main');
$view->title = __('IP addresses list');
$view->breadcrumbs = __('IP addresses');
$view->content = new View('show_all');
$view->content->table = $grid;
$view->content->headline = __('IP addresses list');
$view->render(TRUE);
} // end of show_all function

/**
* Shows details of ip address.
*
* @param integer $ip_address_id id of ip address to show
*/
public function show($ip_address_id = null)
{
if (!isset($ip_address_id))
Controller::warning(PARAMETER);
$ip_address = new Ip_address_Model($ip_address_id);
if (!$ip_address->id)
Controller::error(RECORD);
$member = $ip_address->iface->device->user->member;
$member_id = $member->id;

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if (!$this->acl_check_view('Ip_addresses_Controller', 'ip_address', $member_id))
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Controller::error(ACCESS);
$device = $ip_address->iface->device;
$iface = $ip_address->iface;
$iface_name = $iface->name;

if (empty($iface_name))
{
$iface_name = $iface->mac;
}
else if (!empty($iface->mac))
{
$iface_name .= " (".$iface->mac.")";
}
if ($ip_address->member_id)
{
// breadcrumbs menu
$breadcrumbs = breadcrumbs::add()
->link('members/show_all', 'Members',
$this->acl_check_view(
'Members_Controller', 'members'))
->disable_translation()
->link('members/show/'.$ip_address->member_id,
"ID ".$ip_address->member->id." - ".$ip_address->member->name,
$this->acl_check_view(
'Members_Controller', 'members', $ip_address->member_id));
}
else
{
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if (url::slice(url_lang::uri(Path::instance()->previous()), 0, 1) != 'ip_addresses')
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{
$iface = $ip_address->iface;
$device_name = $iface->device->name;
if ($device_name == '')
{
$device_name = ORM::factory('enum_type')
->get_value($device->type);
}

// breadcrumbs menu
$breadcrumbs = breadcrumbs::add()
->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller','members'))
->disable_translation()
->link('members/show/' .
$iface->device->user->member->id,
'ID ' . $iface->device->user->member->id .
' - ' . $iface->device->user->member->name,
$this->acl_check_view(
'Members_Controller',
'members',
$iface->device->user->member->id)
)
->enable_translation()
->link('users/show_by_member/' .
$iface->device->user->member->id, 'Users',
$this->acl_check_view(
'Users_Controller', 'users',
$iface->device->user->member->id)
)
->disable_translation()
->link('users/show/' . $iface->device->user->id,
$iface->device->user->name .
' ' . $iface->device->user->surname .
' (' . $iface->device->user->login . ')',
$this->acl_check_view(
'Users_Controller', 'users',
$iface->device->user->member_id)
)
->enable_translation()
->link(
'devices/show_by_user/'.$iface->device->user_id,
'Devices', $this->acl_check_view(
'Devices_Controller', 'devices',
$iface->device->user->member_id
)
)
->link(
'devices/show/'.$iface->device_id,
$device_name, $this->acl_check_view(
'Devices_Controller', 'devices',
$iface->device->user->member_id
)
)
->link(
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'ifaces/show/'.$iface->id,
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$iface_name, $this->acl_check_view(
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'Ifaces_Controller', 'iface',
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$iface->device->user->member_id
)
);
}
else
{
// breadcrumbs menu
$breadcrumbs = breadcrumbs::add()
->link('ip_addresses/show_all', 'IP addresses',
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$this->acl_check_view('Ip_addresses_Controller', 'ip_address'));
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}
}
$breadcrumbs->disable_translation()
->text($ip_address->ip_address . ' (' . $ip_address->id . ')');
$view = new View('main');
$view->title = __('IP address detail') . ' - ' . $ip_address->ip_address;
$view->breadcrumbs = $breadcrumbs->html();
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$view->action_logs = action_logs::object_last_modif($ip_address, $ip_address_id);
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$view->content = new View('ip_addresses/show');
$view->content->ip_address = $ip_address;
$view->content->member = $member;
$view->content->device = $device;
$view->content->iface = $iface;
$view->content->iface_name = $iface_name;
$view->content->whitelist_types = Ip_address_Model::get_whitelist_types();
$view->content->grid = '';
$view->content->headline = __('IP address detail') . ' - '.$ip_address->ip_address;
$view->render(TRUE);
} // end of show function


/**
* Adds new ip address to interface which may be selected in parameters.
*
* @param integer $device_id
* @param integer $device_id
*/
public function add($device_id = NULL, $iface_id = NULL)
{
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if (!$this->acl_check_new('Ip_addresses_Controller', 'ip_address'))
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Controller::error(ACCESS);
$breadcrumbs = breadcrumbs::add();

if ($device_id)
{
if (!is_numeric($device_id))
Controller::warning(PARAMETER);

$device = new Device_Model($device_id);

if (!$device->id)
Controller::error(RECORD);
if (empty($iface_id))
{
$breadcrumbs->link(
'devices/show_all', 'Devices',
$this->acl_check_view('Devices_Controller', 'devices')
)->link(
'devices/show/' . $device->id, $device->name,
$this->acl_check_view('Devices_Controller', 'devices')
)->text('Add new IP address');
$arr_ifaces = array
(
NULL => '----- '.__('Select interface').' -----'
) + ORM::factory('iface')->select_list_grouped_by_device($device->id);
$title = __('Add new IP address to device').' '.$device->name;
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$linkback = 'devices/show/'.$device->id;
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}
else
{
$iface = new Iface_Model($iface_id);
if (!$iface->id)
Controller::error(RECORD);
$breadcrumbs->link(
'ifaces/show_all', 'Interfaces',
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$this->acl_check_view('Ifaces_Controller', 'iface')
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)->link(
'ifaces/show/' . $iface->id, strval($iface),
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$this->acl_check_view('Ifaces_Controller', 'iface')
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)->text('Add new IP address');
$arr_ifaces = array
(
$iface->id => strval($iface)
);
$title = __('Add new IP address to interface').' '.strval($iface);
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$linkback = 'ifaces/show/'.$iface->id;
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}

}
else
{
$breadcrumbs->link(
'ip_addresses/show_all', 'IP addresses',
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$this->acl_check_view('Ip_addresses_Controller', 'ip_address')
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)->text('Add new IP address');
$arr_ifaces = array
(
NULL => '----- '.__('Select interface').' -----'
) + ORM::factory('iface')->select_list_grouped_by_device();

$title = __('Add new IP address');
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$linkback = 'ip_addresses/show_all';
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}

$this->form = new Forge();
$arr_subnets = array
(
NULL => '----- '.__('select subnet').' -----'
) + ORM::factory('subnet')->select_list_by_net();
$this->form->dropdown('iface_id')
->label('Interface name')
->rules('required')
->options($arr_ifaces)
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->style('width:520px')
->callback(array($this, 'valid_mac_address_unique_in_subnet'));
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$this->form->input('ip_address')
->label('IP address')
->rules('required|valid_ip_address')
->callback(array($this, 'valid_ip'))
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->style('width:200px');
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$this->form->dropdown('subnet_id')
->label('Select subnet name')
->options($arr_subnets)
->rules('required')
->add_button('subnets')
->style('width:500px');
$this->form->dropdown('gateway')
->label(__('Gateway').':&nbsp;'.help::hint('gateway'))
->options(arr::rbool())
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->selected('0')
->callback(array($this, 'valid_gateway'));
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$this->form->dropdown('service')
->label(__('Service').':&nbsp;'.help::hint('service'))
->options(arr::rbool())
->selected('0');
$this->form->submit('Save');
// validate form and save data
if ($this->form->validate())
{
$form_data = $this->form->as_array();

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$ip_address = new Ip_address_Model();
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// gets number of maximum of acceptable repeating of operation
// after reaching of deadlock and time of waiting between
// other attempt to make transaction (#254)
$transaction_attempt_counter = 0;
$max_attempts = max(1, abs(Settings::get('db_trans_deadlock_repeats_count')));
$timeout = abs(Settings::get('db_trans_deadlock_repeats_timeout'));

// try to delete
while (TRUE)
{
try // try to make DB transction
{
$ip_address->transaction_start();
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$ip_address->delete_ip_address_with_member($form_data['ip_address']);
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$ip_address->iface_id = $form_data['iface_id'];
$ip_address->ip_address = $form_data['ip_address'];
$ip_address->subnet_id = $form_data['subnet_id'];
$ip_address->gateway = $form_data['gateway'];
$ip_address->service = $form_data['service'];
$ip_address->member_id = NULL;
$ip_address->save_throwable();
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// expired subnets (#465)
ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
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$ip_address->transaction_commit();
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try
{
Allowed_subnets_Controller::update_enabled(
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$ip_address->iface->device->user->member->id,
array($ip_address->subnet_id)
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);
}
catch (Exception $e)
{
status::warning('Error - cannot update allowed subnets of member.');
}
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// redirect
status::success('IP address is successfully saved.');
$this->redirect($linkback);
}
catch (Exception $e) // failed => rollback and wait 100ms before next attempt
{
$ip_address->transaction_rollback();
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if (++$transaction_attempt_counter >= $max_attempts) // this was last attempt?
{
Log::add_exception($e);
status::error('Error - cant add ip address.');
$this->redirect($linkback);
}

usleep($timeout);
}
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}
}
$view = new View('main');
$view->title = $title;
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->form = $this->form->html();
$view->content->headline = $title;
$view->render(TRUE);
} // end of add function
/**
* Edits ip address
*
* @author Michal Kliment
* @param type $ip_address_id
*/
public function edit($ip_address_id = NULL)
{
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if (!$this->acl_check_edit('Ip_addresses_Controller', 'ip_address'))
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Controller::error(ACCESS);

if (!is_numeric($ip_address_id))
Controller::warning(PARAMETER);

$ip_address = new Ip_address_Model($ip_address_id);

if (!$ip_address->id)
Controller::error(RECORD);
$this->ip_address_id = $ip_address_id;
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$device = $ip_address->iface->device;
$arr_ifaces = array
(
NULL => '----- '.__('Select interface').' -----'
) + $ip_address->iface->select_list_grouped_by_device($device->id);
$arr_subnets = array
(
NULL => '----- '.__('Select subnet').' -----'
) + ORM::factory('subnet')->select_list_by_net();
$this->form = new Forge();
$this->form->dropdown('iface_id')
->label('Interface name')
->rules('required')
->options($arr_ifaces)
->selected($ip_address->iface_id)
->style('width:500px')
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->callback(array($this, 'valid_mac_address_unique_in_subnet'));
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$this->form->input('ip_address')
->label('IP address')
->rules('required|valid_ip_address')
->value($ip_address->ip_address)
->style('width:200px')
->callback(array($this, 'valid_ip'));
$this->form->dropdown('subnet_id')
->label('Select subnet name')
->options($arr_subnets)
->selected($ip_address->subnet_id)
->rules('required')
->style('width:500px')
->add_button('subnets');
$this->form->dropdown('gateway')
->label(__('Gateway').':&nbsp;'.help::hint('gateway'))
->options(arr::rbool())
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->selected($ip_address->gateway)
->callback(array($this, 'valid_gateway'));
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$this->form->dropdown('service')
->label(__('Service').':&nbsp;'.help::hint('service'))
->options(arr::rbool())
->selected($ip_address->service);
$this->form->submit('Save');
// validate form and save data
if ($this->form->validate())
{
$form_data = $this->form->as_array();
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// gets number of maximum of acceptable repeating of operation
// after reaching of deadlock and time of waiting between
// other attempt to make transaction (#254)
$transaction_attempt_counter = 0;
$max_attempts = max(1, abs(Settings::get('db_trans_deadlock_repeats_count')));
$timeout = abs(Settings::get('db_trans_deadlock_repeats_timeout'));

// try to delete
while (TRUE)
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{
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try // try to make DB transction
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{
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$ip_address->transaction_start();

$ip_address->delete_ip_address_with_member($form_data['ip_address']);

$old_subnet_id = $ip_address->subnet_id;

$ip_address->iface_id = $form_data['iface_id'];
$ip_address->ip_address = $form_data['ip_address'];
$ip_address->subnet_id = $form_data['subnet_id'];
$ip_address->gateway = $form_data['gateway'];
$ip_address->service = $form_data['service'];
$ip_address->member_id = NULL;

$ip_address->save_throwable();

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// expired subnets (#465)
ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
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$ip_address->transaction_commit();

$member_id = $device->user->member_id;

// this block of code cannot be in database transation otherwise
// you will get error
// subnet has been changed and ip address was the only one of this member
// from this subnet -> deletes subnet from allowed subnets of member
if ($old_subnet_id != $ip_address->subnet_id &&
!$ip_address->count_all_ip_addresses_by_member_and_subnet(
$member_id, $old_subnet_id
))
{
try
{
Allowed_subnets_Controller::update_enabled(
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$member_id, NULL, NULL,
array($old_subnet_id), TRUE
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);
}
catch (Exception $e)
{
status::warning('Error - cannot update allowed subnets of member.');
}
}

try
{
Allowed_subnets_Controller::update_enabled(
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$member_id, array($ip_address->subnet_id), array(),
array(), TRUE
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);
}
catch (Exception $e)
{
status::warning('Error - cannot update allowed subnets of member.');
}
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status::success('IP address has been successfully updated.');
$this->redirect('ip_addresses/show/'.$ip_address->id);
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}
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catch (Exception $e) // failed => rollback and wait 100ms before next attempt
{
$ip_address->transaction_rollback();
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if (++$transaction_attempt_counter >= $max_attempts) // this was last attempt?
{
Log::add_exception($e);
status::error('Error - Cannot update ip address.');
$this->redirect('ip_addresses/show/'.$ip_address->id);
}
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usleep($timeout);
}
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}
}
else
{
$title = __('Edit IP address');

// breadcrumbs menu
$breadcrumbs = breadcrumbs::add()
->link('ip_addresses/show_all', 'IP addresses',
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$this->acl_check_view('Ip_addresses_Controller', 'ip_address'))
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->disable_translation()
->text($title);

$view = new View('main');
$view->title = $title;
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->form = $this->form->html();
$view->content->headline = $title;
$view->render(TRUE);
}
}
/**
* Function deletes given ip address.
*
* @param integer $ip_address_id
*/
public function delete($ip_address_id = NULL)
{
if (!isset($ip_address_id))
{
Controller::warning(PARAMETER);
}
$ip_address = new Ip_address_Model($ip_address_id);

if (!$ip_address->id)
{
Controller::error(RECORD);
}
$member_id = $ip_address->iface->device->user->member_id;
$subnet_id = $ip_address->subnet_id;

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if (!$this->acl_check_delete('Ip_addresses_Controller', 'ip_address', $member_id))
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{
Controller::error(ACCESS);
}
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// link back
$linkback = Path::instance()->previous();
if (url::slice(url_lang::uri($linkback), 0, 2) == 'ip_addresses/show')
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{
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$linkback = 'ip_addresses/show_all';
}
// gets number of maximum of acceptable repeating of operation
// after reaching of deadlock and time of waiting between
// other attempt to make transaction (#254)
$transaction_attempt_counter = 0;
$max_attempts = max(1, abs(Settings::get('db_trans_deadlock_repeats_count')));
$timeout = abs(Settings::get('db_trans_deadlock_repeats_timeout'));
// try to delete
while (TRUE)
{
try // try to make DB transction
{
$ip_address->transaction_start();
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// expired subnets (#465)
ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
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if ($ip_address->subnet->subnets_owner->id)
{
$ip_address->member_id = $ip_address->subnet->subnets_owner->member->id;
$ip_address->iface_id = NULL;
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$ip_address->save_throwable();
}
else
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{
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$ip_address->delete_throwable();
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}
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$ip_address->transaction_commit();
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// ip address was the only one of this member
// from this subnet -> deletes subnet from allowed subnets of member
if (!$ip_address->count_all_ip_addresses_by_member_and_subnet(
$member_id, $subnet_id
))
{
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try
{
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Allowed_subnets_Controller::update_enabled(
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$member_id, NULL, NULL, array($subnet_id), TRUE
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);
}
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catch (Exception $e)
{
status::warning('Error - cannot update allowed subnets of member.');
}
}
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// redirect
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status::success('IP address has been successfully deleted.');
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$this->redirect($linkback);
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}
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catch (Exception $e) // failed => rollback and wait 100ms before next attempt
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{
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$ip_address->transaction_rollback();
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if (++$transaction_attempt_counter >= $max_attempts) // this was last attempt?
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{
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Log::add_exception($e);
status::error('Error - cant delete ip address.');
$this->redirect($linkback);
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}
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usleep($timeout);
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}
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}
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}

/**
* Checks validity of ip address.
*
* @param object $input
*/
public function valid_ip($input = NULL)
{
// validators cannot be accessed
if (empty($input) || !is_object($input))
{
self::error(PAGE);
}
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$ip = ip2long($this->input->post('ip_address')); // Submitted values;
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if ($ip === FALSE || $ip == -1)
{ // invalid IP adress
$input->add_error('required', __('Invalid IP address'));
return false;
}

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$subnet_id = $this->input->post('subnet_id');
$subnet = new Subnet_Model($subnet_id);
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if ($subnet && $subnet->id)
{
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$net = ip2long($subnet->network_address);
$mask = ip2long($subnet->netmask);
$size = (~$mask & 0xffffffff)+1;
if (($ip & $mask) != $net)
{
$input->add_error('required', __(
'IP address does not match the subnet/mask.'
));
}
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else if ($size > 2 && ($ip == $net || $ip == ($net + $size - 1)))
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{
$input->add_error('required', __('Invalid IP address'));
}
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}
else
{
$input->add_error('required', __('Invalid subnet'));
}

// checks if exists this ip
$ip_model = new ip_address_Model();

$ips = $ip_model->where(array
(
'ip_address' => $input->value,
'member_id' => NULL
))->find_all();

foreach ($ips as $ip)
{
// only for edit: check if ip_address is not still same
if ($this->ip_address_id != $ip->id)
{
$input->add_error('required', __('IP address already exists.'));
}
}
} // end of valid_ip
/**
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* Callback function to validate if MAC address is unique in subnet
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*
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* @author Ondrej Fibich
* @param Form_Field $input
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*/
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public function valid_mac_address_unique_in_subnet($input = NULL)
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{
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// validators cannot be accessed
if (empty($input) || !is_object($input))
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{
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self::error(PAGE);
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}
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if ($this->input->post('subnet_id') && $input->value)
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{
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$subnet = new Subnet_Model($this->input->post('subnet_id'));
$iface = new Iface_Model($input->value);
if ($subnet->id && $iface->id)
{
if (!$subnet->is_mac_unique_in_subnet($iface->mac, $this->ip_address_id))
{
$link = html::anchor('/subnets/show/' . $subnet->id, __('subnet', NULL, 1), 'target="_blank"');
$m = 'MAC address of this interface is already in the '
. 'selected %s assigned to another interface';
$input->add_error('required', str_replace('"', '\'', __($m, $link)) . '!');
}
return;
}
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}
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$input->add_error('required', __('Subnet or iface not set.'));
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}
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/**
* Callback function to validate if subnet has gateway
*
* @author Michal Kliment <kliment@freenetis.org>
* @param type $input
*/
public function valid_gateway($input = NULL)
{
// validators cannot be accessed
if (empty($input) || !is_object($input))
{
self::error(PAGE);
}
$subnet_id = (int) $this->input->post('subnet_id');
if ($input->value && $subnet_id)
{
$subnet = new Subnet_Model($subnet_id);
// find gateway of subnet
$gateway = $subnet->get_gateway();
// gateway already exists
if ($gateway && $gateway->id && $this->ip_address_id != $gateway->id)
{
$input->add_error('required', __('Subnet has already have gateway.'));
}
}
}
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}