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-rw-r--r--config/suricata/suricata_import_aliases.php272
1 files changed, 272 insertions, 0 deletions
diff --git a/config/suricata/suricata_import_aliases.php b/config/suricata/suricata_import_aliases.php
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+++ b/config/suricata/suricata_import_aliases.php
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+<?php
+/* $Id$ */
+/*
+ suricata_import_aliases.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("guiconfig.inc");
+require_once("functions.inc");
+require_once("/usr/local/pkg/suricata/suricata.inc");
+
+// Retrieve any passed QUERY STRING or POST variables
+$id = $_GET['id'];
+$eng = $_GET['eng'];
+if (isset($_POST['id']))
+ $id = $_POST['id'];
+if (isset($_POST['eng']))
+ $eng = $_POST['eng'];
+
+// Make sure we have a valid rule ID and ENGINE name, or
+// else bail out to top-level menu.
+if (is_null($id) || is_null($eng)) {
+ header("Location: /suricata/suricata_interfaces.php");
+ exit;
+}
+
+// Used to track if any selectable Aliases are found
+$selectablealias = false;
+
+// Initialize required array variables as necessary
+if (!is_array($config['aliases']['alias']))
+ $config['aliases']['alias'] = array();
+$a_aliases = $config['aliases']['alias'];
+if (!is_array($config['installedpackages']['suricata']['rule']))
+ $config['installedpackages']['suricata']['rule'] = array();
+
+// The $eng variable points to the specific Suricata config section
+// engine we are importing values into. Initialize the config.xml
+// array if necessary.
+if (!is_array($config['installedpackages']['suricata']['rule'][$id][$eng]['item']))
+ $config['installedpackages']['suricata']['rule'][$id][$eng]['item'] = array();
+
+// Initialize a pointer to the Suricata config section engine we are
+// importing values into.
+$a_nat = &$config['installedpackages']['suricata']['rule'][$id][$eng]['item'];
+
+// Build a lookup array of currently used engine 'bind_to' Aliases
+// so we can screen matching Alias names from the list.
+$used = array();
+foreach ($a_nat as $v)
+ $used[$v['bind_to']] = true;
+
+// Construct the correct return URL based on the Suricata config section
+// engine we were called with. This lets us return to the page we were
+// called from.
+switch ($eng) {
+ case "host_os_policy":
+ $returl = "/suricata/suricata_flow_stream.php";
+ $multi_ip = true;
+ $title = "Host Operating System Policy";
+ break;
+ case "libhtp_policy":
+ $returl = "/suricata/suricata_app_parsers.php";
+ $multi_ip = true;
+ $title = "HTTP Server Policy";
+ break;
+ default:
+ $returl = "/suricata/suricata_interface_edit";
+ $multi_ip = true;
+ $title = "";
+}
+
+if ($_POST['cancel']) {
+ header("Location: {$returl}?id={$id}");
+ exit;
+}
+
+if ($_POST['save']) {
+
+ // Define default engine configurations for each of the supported engines.
+ $def_os_policy = array( "name" => "", "bind_to" => "", "policy" => "bsd" );
+
+ $def_libhtp_policy = array( "name" => "default", "bind_to" => "all", "personality" => "IDS",
+ "request-body-limit" => 4096, "response-body-limit" => 4096,
+ "double-decode-path" => "no", "double-decode-query" => "no" );
+
+ // Figure out which engine type we are importing and set up default engine array
+ $engine = array();
+ switch ($eng) {
+ case "host_os_policy":
+ $engine = $def_os_policy;
+ break;
+ case "libhtp_policy":
+ $engine = $def_libhtp_policy;
+ break;
+ default:
+ $engine = "";
+ $input_errors[] = gettext("Invalid ENGINE TYPE passed in query string. Aborting operation.");
+ }
+
+ // See if anything was checked to import
+ if (is_array($_POST['toimport']) && count($_POST['toimport']) > 0) {
+ foreach ($_POST['toimport'] as $item) {
+ $engine['name'] = strtolower($item);
+ $engine['bind_to'] = $item;
+ $a_nat[] = $engine;
+ }
+ }
+ else
+ $input_errors[] = gettext("No entries were selected for import. Please select one or more Aliases for import and click SAVE.");
+
+ // if no errors, write new entry to conf
+ if (!$input_errors) {
+ // Reorder the engine array to ensure the
+ // 'bind_to=all' entry is at the bottom if
+ // the array contains more than one entry.
+ if (count($a_nat) > 1) {
+ $i = -1;
+ foreach ($a_nat as $f => $v) {
+ if ($v['bind_to'] == "all") {
+ $i = $f;
+ break;
+ }
+ }
+ // Only relocate the entry if we
+ // found it, and it's not already
+ // at the end.
+ if ($i > -1 && ($i < (count($a_nat) - 1))) {
+ $tmp = $a_nat[$i];
+ unset($a_nat[$i]);
+ $a_nat[] = $tmp;
+ }
+ }
+
+ // Now write the new engine array to conf and return
+ write_config();
+
+ header("Location: {$returl}?id={$id}");
+ exit;
+ }
+}
+
+$pgtitle = gettext("Suricata: Import Host/Network Alias for {$title}");
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<form action="suricata_import_aliases.php" method="post">
+<input type="hidden" name="id" value="<?=$id;?>">
+<input type="hidden" name="eng" value="<?=$eng;?>">
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<div id="boxarea">
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+<tr>
+ <td class="tabcont"><strong><?=gettext("Select one or more Aliases to use as {$title} targets from the list below.");?></strong><br/>
+ </td>
+</tr>
+<tr>
+ <td class="tabcont">
+ <table id="sortabletable1" style="table-layout: fixed;" class="sortable" width="100%" border="0" cellpadding="0" cellspacing="0">
+ <colgroup>
+ <col width="5%" align="center">
+ <col width="25%" align="left" axis="string">
+ <col width="35%" align="left" axis="string">
+ <col width="35%" align="left" axis="string">
+ </colgroup>
+ <thead>
+ <tr>
+ <th class="listhdrr"></th>
+ <th class="listhdrr" axis="string"><?=gettext("Alias Name"); ?></th>
+ <th class="listhdrr" axis="string"><?=gettext("Values"); ?></th>
+ <th class="listhdrr" axis="string"><?=gettext("Description"); ?></th>
+ </tr>
+ </thead>
+ <tbody>
+ <?php $i = 0; foreach ($a_aliases as $alias): ?>
+ <?php if ($alias['type'] <> "host" && $alias['type'] <> "network")
+ continue;
+ if (isset($used[$alias['name']]))
+ continue;
+ elseif (trim(filter_expand_alias($alias['name'])) == "") {
+ $textss = "<span class=\"gray\">";
+ $textse = "</span>";
+ $disable = true;
+ $tooltip = gettext("Aliases representing a FQDN host cannot be used in Suricata Host OS Policy configurations.");
+ }
+ else {
+ $textss = "";
+ $textse = "";
+ $disable = "";
+ $selectablealias = true;
+ $tooltip = gettext("Selected entries will be imported. Click to toggle selection of this entry.");
+ }
+ ?>
+ <?php if ($disable): ?>
+ <tr title="<?=$tooltip;?>">
+ <td class="listlr" align="center"><img src="../themes/<?=$g['theme'];?>/images/icons/icon_block_d.gif" width="11" height"11" border="0"/>
+ <?php else: ?>
+ <tr>
+ <td class="listlr" align="center"><input type="checkbox" name="toimport[]" value="<?=htmlspecialchars($alias['name']);?>" title="<?=$tooltip;?>"/></td>
+ <?php endif; ?>
+ <td class="listr" align="left"><?=$textss . htmlspecialchars($alias['name']) . $textse;?></td>
+ <td class="listr" align="left">
+ <?php
+ $tmpaddr = explode(" ", $alias['address']);
+ $addresses = implode(", ", array_slice($tmpaddr, 0, 10));
+ echo "{$textss}{$addresses}{$textse}";
+ if(count($tmpaddr) > 10) {
+ echo "...";
+ }
+ ?>
+ </td>
+ <td class="listbg" align="left">
+ <?=$textss . htmlspecialchars($alias['descr']) . $textse;?>&nbsp;
+ </td>
+ </tr>
+ <?php $i++; endforeach; ?>
+ </table>
+ </td>
+</tr>
+<?php if (!$selectablealias): ?>
+<tr>
+ <td class="tabcont" align="center"><b><?php echo gettext("There are currently no defined Aliases eligible for import.");?></b></td>
+</tr>
+<tr>
+ <td class="tabcont" align="center">
+ <input type="Submit" name="cancel" value="Cancel" id="cancel" class="formbtn" title="<?=gettext("Cancel import operation and return");?>"/>
+ </td>
+</tr>
+<?php else: ?>
+<tr>
+ <td class="tabcont" align="center">
+ <input type="Submit" name="save" value="Save" id="save" class="formbtn" title="<?=gettext("Import selected item and return");?>"/>&nbsp;&nbsp;&nbsp;
+ <input type="Submit" name="cancel" value="Cancel" id="cancel" class="formbtn" title="<?=gettext("Cancel import operation and return");?>"/>
+ </td>
+</tr>
+<?php endif; ?>
+<tr>
+ <td class="tabcont">
+ <span class="vexpl"><span class="red"><strong><?=gettext("Note:"); ?><br></strong></span><?=gettext("Fully-Qualified Domain Name (FQDN) host Aliases cannot be used as Suricata configuration parameters. Aliases resolving to a single FQDN value are disabled in the list above. In the case of nested Aliases where one or more of the nested values is a FQDN host, the FQDN host will not be included in the {$title} configuration.");?></span>
+ </td>
+</tr>
+</table>
+</div>
+</form>
+<?php include("fend.inc"); ?>
+</body>
+</html>