true) { $savemsg = get_std_save_message($retval); } else { $savemsg = $retval; } if ($retval == 0) { clear_subsystem_dirty('aliases'); } } } if ($_GET['act'] == "del") { if ($a_aliases[$_GET['id']]) { /* make sure rule is not being referenced by any nat or filter rules */ $is_alias_referenced = false; $referenced_by = false; $alias_name = $a_aliases[$_GET['id']]['name']; // Firewall rules find_alias_reference(array('filter', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('filter', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('filter', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('filter', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by); // NAT Rules find_alias_reference(array('nat', 'rule'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'rule'), array('source', 'port'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'rule'), array('destination', 'port'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'rule'), array('local-port'), $alias_name, $is_alias_referenced, $referenced_by); // NAT 1:1 Rules //find_alias_reference(array('nat', 'onetoone'), array('external'), $alias_name, $is_alias_referenced, $referenced_by); //find_alias_reference(array('nat', 'onetoone'), array('source', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'onetoone'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by); // NAT Outbound Rules find_alias_reference(array('nat', 'outbound', 'rule'), array('source', 'network'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'outbound', 'rule'), array('sourceport'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'outbound', 'rule'), array('destination', 'address'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'outbound', 'rule'), array('dstport'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('nat', 'outbound', 'rule'), array('target'), $alias_name, $is_alias_referenced, $referenced_by); // Alias in an alias find_alias_reference(array('aliases', 'alias'), array('address'), $alias_name, $is_alias_referenced, $referenced_by); // Load Balancer find_alias_reference(array('load_balancer', 'lbpool'), array('port'), $alias_name, $is_alias_referenced, $referenced_by); find_alias_reference(array('load_balancer', 'virtual_server'), array('port'), $alias_name, $is_alias_referenced, $referenced_by); // Static routes find_alias_reference(array('staticroutes', 'route'), array('network'), $alias_name, $is_alias_referenced, $referenced_by); if ($is_alias_referenced == true) { $savemsg = sprintf(gettext("Cannot delete alias. Currently in use by %s."), htmlspecialchars($referenced_by)); } else { if (preg_match("/urltable/i", $a_aliases[$_GET['id']]['type'])) { // this is a URL table type alias, delete its file as well unlink_if_exists("/var/db/aliastables/" . $a_aliases[$_GET['id']]['name'] . ".txt"); } unset($a_aliases[$_GET['id']]); if (write_config()) { filter_configure(); mark_subsystem_dirty('aliases'); } header("Location: firewall_aliases.php?tab=" . $tab); exit; } } } function find_alias_reference($section, $field, $origname, &$is_alias_referenced, &$referenced_by) { global $config; if (!$origname || $is_alias_referenced) { return; } $sectionref = &$config; foreach ($section as $sectionname) { if (is_array($sectionref) && isset($sectionref[$sectionname])) { $sectionref = &$sectionref[$sectionname]; } else { return; } } if (is_array($sectionref)) { foreach ($sectionref as $itemkey => $item) { $fieldfound = true; $fieldref = &$sectionref[$itemkey]; foreach ($field as $fieldname) { if (is_array($fieldref) && isset($fieldref[$fieldname])) { $fieldref = &$fieldref[$fieldname]; } else { $fieldfound = false; break; } } if ($fieldfound && $fieldref == $origname) { $is_alias_referenced = true; if (is_array($item)) { $referenced_by = $item['descr']; } break; } } } } $tab_array = array(); $tab_array[] = array(gettext("IP"), ($tab == "ip" ? true : ($tab == "host" ? true : ($tab == "network" ? true : false))), "/firewall_aliases.php?tab=ip"); $tab_array[] = array(gettext("Ports"), ($tab == "port"? true : false), "/firewall_aliases.php?tab=port"); $tab_array[] = array(gettext("URLs"), ($tab == "url"? true : false), "/firewall_aliases.php?tab=url"); $tab_array[] = array(gettext("All"), ($tab == "all"? true : false), "/firewall_aliases.php?tab=all"); foreach ($tab_array as $dtab) { if ($dtab[1] == true) { $bctab = $dtab[0]; break; } } $pgtitle = array(gettext("Firewall"), gettext("Aliases"), $bctab); $shortcut_section = "aliases"; include("head.inc"); if ($savemsg) { print_info_box($savemsg, 'success'); } if (is_subsystem_dirty('aliases')) { print_apply_box(gettext("The alias list has been changed.") . "
" . gettext("You must apply the changes in order for them to take effect.")); } display_top_tabs($tab_array); ?>

$alias): unset ($show_alias); switch ($tab) { case "all": $show_alias= true; break; case "ip": case "host": case "network": if (preg_match("/(host|network)/", $alias["type"])) { $show_alias= true; } break; case "url": if (preg_match("/(url)/i", $alias["type"])) { $show_alias= true; } break; case "port": if ($alias["type"] == "port") { $show_alias= true; } break; } if ($show_alias): ?>
"; } else { if (is_array($alias["aliasurl"])) { $aliasurls = implode(", ", array_slice($alias["aliasurl"], 0, 10)); echo $aliasurls; if (count($aliasurls) > 10) { echo "…
"; } echo "
\n"; } $tmpaddr = explode(" ", $alias['address']); $addresses = implode(", ", array_slice($tmpaddr, 0, 10)); echo $addresses; if (count($tmpaddr) > 10) { echo '…'; } } ?>
  " href="firewall_aliases_edit.php?id="> " href="?act=del&tab=&id=">
' . 'You can enter the name of an alias instead of the host, network or port where indicated. The alias will be resolved according to the list above.' . '
' . 'If an alias cannot be resolved (e.g. because you deleted it), the corresponding element (e.g. filter/NAT/shaper rule) will be considered invalid and skipped.'), 'info', false); ?>