<?php /* * suricata_suppress.php * * Significant portions of this code are based on original work done * for the Snort package for pfSense from the following contributors: * * Copyright (C) 2005 Bill Marquette <bill.marquette@gmail.com>. * Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>. * Copyright (C) 2006 Scott Ullrich * Copyright (C) 2009 Robert Zelaya Sr. Developer * Copyright (C) 2012 Ermal Luci * All rights reserved. * * Adapted for Suricata by: * Copyright (C) 2014 Bill Meeks * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ require_once("guiconfig.inc"); require_once("/usr/local/pkg/suricata/suricata.inc"); if (!is_array($config['installedpackages']['suricata']['rule'])) $config['installedpackages']['suricata']['rule'] = array(); if (!is_array($config['installedpackages']['suricata']['suppress'])) $config['installedpackages']['suricata']['suppress'] = array(); if (!is_array($config['installedpackages']['suricata']['suppress']['item'])) $config['installedpackages']['suricata']['suppress']['item'] = array(); $a_suppress = &$config['installedpackages']['suricata']['suppress']['item']; $id_gen = count($config['installedpackages']['suricata']['suppress']['item']); function suricata_suppresslist_used($supplist) { /****************************************************************/ /* This function tests if the passed Suppress List is currently */ /* assigned to an interface. It returns TRUE if the list is */ /* in use. */ /* */ /* Returns: TRUE if list is in use, else FALSE */ /****************************************************************/ global $config; $suricataconf = $config['installedpackages']['suricata']['rule']; if (empty($suricataconf)) return false; foreach ($suricataconf as $value) { if ($value['suppresslistname'] == $supplist) return true; } return false; } function suricata_find_suppresslist_interface($supplist) { /****************************************************************/ /* This function finds the first (if more than one) interface */ /* configured to use the passed Suppress List and returns the */ /* index of the interface in the ['rule'] config array. */ /* */ /* Returns: index of interface in ['rule'] config array or */ /* FALSE if no interface found. */ /****************************************************************/ global $config; $suricataconf = $config['installedpackages']['suricata']['rule']; if (empty($suricataconf)) return false; foreach ($suricataconf as $rule => $value) { if ($value['suppresslistname'] == $supplist) return $rule; } return false; } if ($_GET['act'] == "del") { if ($a_suppress[$_GET['id']]) { // make sure list is not being referenced by any Suricata-configured interface if (suricata_suppresslist_used($a_suppress[$_GET['id']]['name'])) { $input_errors[] = gettext("ERROR -- Suppress List is currently assigned to an interface and cannot be removed!"); } else { unset($a_suppress[$_GET['id']]); write_config(); header("Location: /suricata/suricata_suppress.php"); exit; } } } $pgtitle = gettext("Suricata: Suppression Lists"); include_once("head.inc"); ?> <body link="#000000" vlink="#000000" alink="#000000"> <?php include_once("fbegin.inc"); if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';} if ($input_errors) { print_input_errors($input_errors); } ?> <form action="/suricata/suricata_suppress.php" method="post"><?php if ($savemsg) print_info_box($savemsg); ?> <table width="100%" border="0" cellpadding="0" cellspacing="0"> <tr><td> <?php $tab_array = array(); $tab_array[] = array(gettext("Suricata Interfaces"), false, "/suricata/suricata_interfaces.php"); $tab_array[] = array(gettext("Global Settings"), false, "/suricata/suricata_global.php"); $tab_array[] = array(gettext("Update Rules"), false, "/suricata/suricata_download_updates.php"); $tab_array[] = array(gettext("Alerts"), false, "/suricata/suricata_alerts.php"); $tab_array[] = array(gettext("Blocked"), false, "/suricata/suricata_blocked.php"); $tab_array[] = array(gettext("Pass Lists"), false, "/suricata/suricata_passlist.php"); $tab_array[] = array(gettext("Suppress"), true, "/suricata/suricata_suppress.php"); $tab_array[] = array(gettext("Logs Browser"), false, "/suricata/suricata_logs_browser.php"); $tab_array[] = array(gettext("Logs Mgmt"), false, "/suricata/suricata_logs_mgmt.php"); display_top_tabs($tab_array, true); ?> </td> </tr> <tr><td><div id="mainarea"> <table id="maintable" class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0"> <thead> <tr> <th width="30%" class="listhdrr"><?php echo gettext("Suppress List Name"); ?></th> <th width="60%" class="listhdr"><?php echo gettext("Description"); ?></th> <th width="10%" class="list"></th> </tr> </thead> <tbody> <?php $i = 0; foreach ($a_suppress as $list): ?> <?php if (suricata_suppresslist_used($list['name'])) { $icon = "<img src=\"/themes/{$g['theme']}/images/icons/icon_frmfld_pwd.png\" " . "width=\"16\" height=\"16\" border=\"0\" title=\"" . gettext("List is in use by an instance") . "\"/>"; } else $icon = ""; ?> <tr> <td height="20px" class="listlr" ondblclick="document.location='suricata_suppress_edit.php?id=<?=$i;?>';"> <?=htmlspecialchars($list['name']);?> <?=$icon;?></td> <td height="20px" class="listbg" ondblclick="document.location='suricata_suppress_edit.php?id=<?=$i;?>';"> <font color="#FFFFFF"> <?=htmlspecialchars($list['descr']);?> </font> </td> <td height="20px" valign="middle" nowrap class="list"> <table border="0" cellspacing="0" cellpadding="1"> <tr> <td valign="middle"><a href="suricata_suppress_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="<?php echo gettext("edit Suppress List"); ?>"></a></td> <?php if (suricata_suppresslist_used($list['name'])) : ?> <td><img src="/themes/<?=$g['theme'];?>/images/icons/icon_x_d.gif" width="17" height="17" border="0" title="<?php echo gettext("Assigned Suppress Lists cannot be deleted");?>"/></td> <td><a href="/suricata/suricata_interfaces_edit.php?id=<?=suricata_find_suppresslist_interface($list['name']);?>"> <img src="/themes/<?=$g['theme'];?>/images/icons/icon_right.gif" width="17" height="17" border="0" title="<?php echo gettext("Goto first instance associated with this Suppress List");?>"/></a> </td> <?php else : ?> <td><a href="/suricata/suricata_suppress.php?act=del&id=<?=$i;?>" onclick="return confirm('<?php echo gettext("Do you really want to delete this Suppress List?"); ?>')"><img src="/themes/<?=$g['theme'];?>/images/icons/icon_x.gif" width="17" height="17" border="0" title="<?php echo gettext("delete Suppress List"); ?>"></a></td> <td> </td> <?php endif; ?> </tr> </table> </td> </tr> <?php $i++; endforeach; ?> <tr> <td class="list" colspan="2"></td> <td class="list"> <table border="0" cellspacing="0" cellpadding="1"> <tr> <td valign="middle" width="17"> </td> <td valign="middle"><a href="suricata_suppress_edit.php?id=<?php echo $id_gen;?> "><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?php echo gettext("add a new list"); ?>"></a></td> </tr> </table> </td> </tr> </tbody> </table> </div> </td></tr> <tr> <td colspan="3" width="100%"><br/><span class="vexpl"><span class="red"><strong><?php echo gettext("Note:"); ?></strong></span> <p><?php echo gettext("Here you can create event filtering and " . "suppression for your Suricata package rules."); ?><br/><br/> <?php echo gettext("Please note that you must restart a running Interface so that changes can " . "take effect."); ?><br/><br/> <?php echo gettext("You cannot delete a Suppress List that is currently assigned to a Suricata interface (instance).") . "<br/>" . gettext("You must first unassign the Suppress List on the Interface Edit tab."); ?> </p></span></td> </tr> </table> </form> <?php include("fend.inc"); ?> </body> </html>