/application/controllers/ip_addresses.php - Komentovat - FreenetIS - Redmine

freenetis-github/application/controllers/ip_addresses.php @ 19bccc86

-baed187
+<?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;
-            c1bdc1c4
+	/**
 	 * Constructor, only test if networks is enabled
 	 */
 	public function __construct()
+	{
 		parent::__construct();
 		// access control
 		if (!Settings::get('networks_enabled'))
 			Controller::error (ACCESS);
+	}
-baed187
+	/**
 	 * 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, $page = 1)
+	{
-            c1bdc1c4
+		if (!$this->acl_check_view('Ip_addresses_Controller', 'ip_address'))
-baed187
+			Controller::error(ACCESS);
 		$ip_model = new Ip_address_Model();
 		// get new selector
-            c1bdc1c4
+		if (is_numeric($this->input->post('record_per_page')))
 			$limit_results = (int) $this->input->post('record_per_page');
-baed187
+            Michal Kliment
 		$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());
-            c1bdc1c4
+		if (module::e('notification'))
+		{
 			$filter_form->add('whitelisted')
 					->type('select')
 					->label('Whitelist')
 					->values(Ip_address_Model::get_whitelist_types());
+		}
-baed187
+		$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'					=> $filter_form
 		));
-            c1bdc1c4
+		if ($this->acl_check_new('Ip_addresses_Controller', 'ip_address'))
-baed187
+            Michal Kliment
 			$grid->add_new_button('ip_addresses/add', __('Add new IP address'));
+		}
-            c1bdc1c4
+		$grid->order_field('ip_address')
 				->label('IP address');
-baed187
+            Michal Kliment
 		$grid->order_link_field('subnet_id')
 				->link('subnets/show', 'subnet_name')
 				->label('Subnet');
-            c1bdc1c4
+		$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');
+		}
-baed187
+		$grid->order_callback_field('device_name')
 				->label('Device name')
 				->callback('callback::device_field');
 		$actions = $grid->grouped_action_field();
-            c1bdc1c4
+		if ($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'))
-baed187
+            Michal Kliment
 			$actions->add_action('id')
 					->icon_action('edit')
-            c1bdc1c4
+					->url('ip_addresses/edit')
 					->class('popup_link');
-baed187
+            Michal Kliment
-            c1bdc1c4
+		if ($this->acl_check_delete('Ip_addresses_Controller', 'ip_address'))
-baed187
+            Michal Kliment
 			$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 = $member->id;
-            c1bdc1c4
+		if (!$this->acl_check_view('Ip_addresses_Controller', 'ip_address', $member_id))
-baed187
+			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
+		{
-dafd607
+			if (url::slice(url_lang::uri(Path::instance()->previous()), 0, 1) != 'ip_addresses')
-baed187
+            Michal Kliment
 				$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',
 							$iface->device->user->member_id
+						)
+					)
 					->link(
-dafd607
+						'ifaces/show/'.$iface->id,
-baed187
+						$iface_name, $this->acl_check_view(
-            c1bdc1c4
+							'Ifaces_Controller', 'iface',
-baed187
+							$iface->device->user->member_id
+						)
 					);
+			}
 			else
+			{
 				// breadcrumbs menu
 				$breadcrumbs = breadcrumbs::add()
 					->link('ip_addresses/show_all', 'IP addresses',
-            c1bdc1c4
+							$this->acl_check_view('Ip_addresses_Controller', 'ip_address'));
-baed187
+            Michal Kliment
+		}
 		$breadcrumbs->disable_translation()
 				->text($ip_address->ip_address . ' (' . $ip_address->id . ')');
 		$view = new View('main');
 		$view->title = __('IP address detail') . ' - ' . $ip_address->ip_address;
 		$view->breadcrumbs = $breadcrumbs->html();
-            c1bdc1c4
+		$view->action_logs = action_logs::object_last_modif($ip_address, $ip_address_id);
-baed187
+		$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, $iface_id = NULL)
+	{
-            c1bdc1c4
+		if (!$this->acl_check_new('Ip_addresses_Controller', 'ip_address'))
-baed187
+			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;
-            c2e44ab0
+				$linkback = 'devices/show/'.$device->id;
-baed187
+            Michal Kliment
 			else
+			{
 				$iface = new Iface_Model($iface_id);
 				if (!$iface->id)
 					Controller::error(RECORD);
 				$breadcrumbs->link(
 							'ifaces/show_all', 'Interfaces',
-            c1bdc1c4
+							$this->acl_check_view('Ifaces_Controller', 'iface')
-baed187
+						)->link(
 							'ifaces/show/' . $iface->id, strval($iface),
-            c1bdc1c4
+							$this->acl_check_view('Ifaces_Controller', 'iface')
-baed187
+						)->text('Add new IP address');
 				$arr_ifaces = array
+				(
 					$iface->id => strval($iface)
 				);
 				$title = __('Add new IP address to interface').' '.strval($iface);
-            c2e44ab0
+				$linkback = 'ifaces/show/'.$iface->id;
-baed187
+            Michal Kliment
+		}
 		else
+		{
 			$breadcrumbs->link(
 						'ip_addresses/show_all', 'IP addresses',
-            c1bdc1c4
+						$this->acl_check_view('Ip_addresses_Controller', 'ip_address')
-baed187
+					)->text('Add new IP address');
 			$arr_ifaces = array
+			(
 				NULL => '----- '.__('Select interface').' -----'
 			) + ORM::factory('iface')->select_list_grouped_by_device();
 			$title = __('Add new IP address');
-            c2e44ab0
+			$linkback = 'ip_addresses/show_all';
-baed187
+            Michal Kliment
 		$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)
-            c1bdc1c4
+				->style('width:520px')
 				->callback(array($this, 'valid_mac_address_unique_in_subnet'));
-baed187
+            Michal Kliment
 		$this->form->input('ip_address')
 				->label('IP address')
 				->rules('required|valid_ip_address')
 				->callback(array($this, 'valid_ip'))
-            c1bdc1c4
+				->style('width:200px');
-baed187
+            Michal Kliment
 		$this->form->dropdown('subnet_id')
 				->label('Select subnet name')
 				->options($arr_subnets)
 				->rules('required')
 				->add_button('subnets')
 				->style('width:500px');
 		$this->form->dropdown('gateway')
 				->label(__('Gateway').':&nbsp;'.help::hint('gateway'))
 				->options(arr::rbool())
-            c1bdc1c4
+				->selected('0')
 				->callback(array($this, 'valid_gateway'));
-baed187
+            Michal Kliment
 		$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();
-            c2e44ab0
+			$ip_address = new Ip_address_Model();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+			// 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();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					$ip_address->delete_ip_address_with_member($form_data['ip_address']);
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					$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;
 					$ip_address->save_throwable();
-            c1bdc1c4
+            Michal Kliment
 					// expired subnets (#465)
 					ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
-            c2e44ab0
+					$ip_address->transaction_commit();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					try
+					{
 						Allowed_subnets_Controller::update_enabled(
-            c1bdc1c4
+								$ip_address->iface->device->user->member->id,
 								array($ip_address->subnet_id)
-            c2e44ab0
+						);
+					}
 					catch (Exception $e)
+					{
 						status::warning('Error - cannot update allowed subnets of member.');
+					}
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					// redirect
 					status::success('IP address is successfully saved.');
 					$this->redirect($linkback);
+				}
 				catch (Exception $e) // failed => rollback and wait 100ms before next attempt
+				{
 					$ip_address->transaction_rollback();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					if (++$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);
+				}
-baed187
+            Michal Kliment
+		}
 		$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)
+	{
-            c1bdc1c4
+		if (!$this->acl_check_edit('Ip_addresses_Controller', 'ip_address'))
-baed187
+			Controller::error(ACCESS);
 		if (!is_numeric($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;
-            c1bdc1c4
+            Michal Kliment
-baed187
+		$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($ip_address->iface_id)
 				->style('width:500px')
-            c1bdc1c4
+				->callback(array($this, 'valid_mac_address_unique_in_subnet'));
-baed187
+            Michal Kliment
 		$this->form->input('ip_address')
 				->label('IP address')
 				->rules('required|valid_ip_address')
 				->value($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');
 		$this->form->dropdown('gateway')
 				->label(__('Gateway').':&nbsp;'.help::hint('gateway'))
 				->options(arr::rbool())
-            c1bdc1c4
+				->selected($ip_address->gateway)
 				->callback(array($this, 'valid_gateway'));
-baed187
+            Michal Kliment
 		$this->form->dropdown('service')
 				->label(__('Service').':&nbsp;'.help::hint('service'))
 				->options(arr::rbool())
 				->selected($ip_address->service);
 		$this->form->submit('Save');
 		// validate form and save data
 		if ($this->form->validate())
+		{
 			$form_data = $this->form->as_array();
-            c2e44ab0
+			// 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)
-baed187
+            Michal Kliment
-            c2e44ab0
+				try // try to make DB transction
-baed187
+            Michal Kliment
-            c2e44ab0
+					$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;
 					$ip_address->save_throwable();
-            c1bdc1c4
+					// expired subnets (#465)
 					ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
-            c2e44ab0
+					$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(
-            c1bdc1c4
+									$member_id, NULL, NULL,
 									array($old_subnet_id), TRUE
-            c2e44ab0
+							);
+						}
 						catch (Exception $e)
+						{
 							status::warning('Error - cannot update allowed subnets of member.');
+						}
+					}
 					try
+					{
 						Allowed_subnets_Controller::update_enabled(
-            c1bdc1c4
+								$member_id, array($ip_address->subnet_id), array(),
 								array(), TRUE
-            c2e44ab0
+						);
+					}
 					catch (Exception $e)
+					{
 						status::warning('Error - cannot update allowed subnets of member.');
+					}
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					status::success('IP address has been successfully updated.');
 					$this->redirect('ip_addresses/show/'.$ip_address->id);
-baed187
+            Michal Kliment
-            c2e44ab0
+				catch (Exception $e) // failed => rollback and wait 100ms before next attempt
+				{
 					$ip_address->transaction_rollback();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					if (++$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);
+					}
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					usleep($timeout);
+				}
-baed187
+            Michal Kliment
+		}
 		else
+		{
 			$title = __('Edit IP address');
 			// breadcrumbs menu
 			$breadcrumbs = breadcrumbs::add()
 					->link('ip_addresses/show_all', 'IP addresses',
-            c1bdc1c4
+							$this->acl_check_view('Ip_addresses_Controller', 'ip_address'))
-baed187
+					->disable_translation()
 					->text($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 = $ip_address->subnet_id;
-            c1bdc1c4
+		if (!$this->acl_check_delete('Ip_addresses_Controller', 'ip_address', $member_id))
-baed187
+            Michal Kliment
 			Controller::error(ACCESS);
+		}
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+		// link back
 		$linkback = Path::instance()->previous();
 		if (url::slice(url_lang::uri($linkback), 0, 2) == 'ip_addresses/show')
-baed187
+            Michal Kliment
-            c2e44ab0
+			$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
+			{
 				$ip_address->transaction_start();
-            c1bdc1c4
+				// expired subnets (#465)
 				ORM::factory('subnet')->set_expired_subnets($ip_address->subnet_id);
-            c2e44ab0
+				if ($ip_address->subnet->subnets_owner->id)
+				{
 					$ip_address->member_id = $ip_address->subnet->subnets_owner->member->id;
 					$ip_address->iface_id = NULL;
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					$ip_address->save_throwable();
+				}
 				else
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					$ip_address->delete_throwable();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+            Michal Kliment
 				$ip_address->transaction_commit();
-            c1bdc1c4
+				// ip address was the only one of this member
 				// from this subnet -> deletes subnet from allowed subnets of member
 				if (!$ip_address->count_all_ip_addresses_by_member_and_subnet(
 						$member_id, $subnet_id
 					))
+				{
-            c2e44ab0
+					try
+					{
-            c1bdc1c4
+						Allowed_subnets_Controller::update_enabled(
-            c2e44ab0
+								$member_id, NULL, NULL, array($subnet_id), TRUE
-            c1bdc1c4
+						);
+					}
-            c2e44ab0
+					catch (Exception $e)
+					{
 						status::warning('Error - cannot update allowed subnets of member.');
+					}
+				}
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+				// redirect
-            c1bdc1c4
+				status::success('IP address has been successfully deleted.');
-            c2e44ab0
+				$this->redirect($linkback);
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+			catch (Exception $e) // failed => rollback and wait 100ms before next attempt
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+				$ip_address->transaction_rollback();
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+				if (++$transaction_attempt_counter >= $max_attempts) // this was last attempt?
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+					Log::add_exception($e);
 					status::error('Error - cant delete ip address.');
 					$this->redirect($linkback);
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+				usleep($timeout);
-            c1bdc1c4
+            Michal Kliment
-            c2e44ab0
+            Michal Kliment
-baed187
+            Michal Kliment
 	/**
 	 * 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);
+		}
-            c1bdc1c4
+            Michal Kliment
 		$ip = ip2long($this->input->post('ip_address')); // Submitted values;
-baed187
+            Michal Kliment
 		if ($ip === FALSE || $ip == -1)
 		{	 // invalid IP adress
 			$input->add_error('required', __('Invalid IP address'));
 			return false;
+		}
-            c1bdc1c4
+		$subnet_id = $this->input->post('subnet_id');
 		$subnet = new Subnet_Model($subnet_id);
-baed187
+            Michal Kliment
 		if ($subnet && $subnet->id)
+		{
-            c1bdc1c4
+			$net	= ip2long($subnet->network_address);
 			$mask	= ip2long($subnet->netmask);
 			$size	= (~$mask & 0xffffffff)+1;
 			if (($ip & $mask) != $net)
+			{
 				$input->add_error('required', __(
 						'IP address does not match the subnet/mask.'
 				));
+			}
 			else if ($size > 1 && ($ip == $net || $ip == ($net + $size - 1)))
+			{
 				$input->add_error('required', __('Invalid IP address'));
+			}
-baed187
+            Michal Kliment
 		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
 	/**
-            c1bdc1c4
+	 * Callback function to validate if MAC address is unique in subnet
-baed187
+            Michal Kliment
-            c1bdc1c4
+	 * @author Ondrej Fibich
 	 * @param Form_Field $input
-baed187
+	 */
-            c1bdc1c4
+	public function valid_mac_address_unique_in_subnet($input = NULL)
-baed187
+            Michal Kliment
-            c1bdc1c4
+		// validators cannot be accessed
 		if (empty($input) || !is_object($input))
-baed187
+            Michal Kliment
-            c1bdc1c4
+			self::error(PAGE);
-baed187
+            Michal Kliment
-            c1bdc1c4
+            Michal Kliment
 		if ($this->input->post('subnet_id') && $input->value)
-baed187
+            Michal Kliment
-            c1bdc1c4
+			$subnet = new Subnet_Model($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;
+			}
-baed187
+            Michal Kliment
-            c1bdc1c4
+            Michal Kliment
 		$input->add_error('required', __('Subnet or iface not set.'));
-baed187
+            Michal Kliment
-            c1bdc1c4
+	/**
 	 * 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.'));
+			}
+		}
+	}
-baed187
+            Michal Kliment

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