diff options
Diffstat (limited to 'config/suricata/suricata_suppress.php')
| -rw-r--r-- | config/suricata/suricata_suppress.php | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/config/suricata/suricata_suppress.php b/config/suricata/suricata_suppress.php new file mode 100644 index 00000000..12227f3d --- /dev/null +++ b/config/suricata/suricata_suppress.php @@ -0,0 +1,217 @@ +<?php +/* + suricata_suppress.php + + 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("Suppress"), true, "/suricata/suricata_suppress.php"); + $tab_array[] = array(gettext("Logs Browser"), false, "/suricata/suricata_logs_browser.php"); + display_top_tabs($tab_array); +?> +</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> |