From e88d8c9a13c12769dc2420a02de073f3f4627214 Mon Sep 17 00:00:00 2001
From: bmeeks8 <bmeeks8@bellsouth.net>
Date: Thu, 24 Apr 2014 15:07:08 -0400
Subject: Implement blocking function support in Suricata pkg GUI.

---
 config/suricata/suricata_select_alias.php | 241 ++++++++++++++++++++++++++++++
 1 file changed, 241 insertions(+)
 create mode 100644 config/suricata/suricata_select_alias.php

(limited to 'config/suricata/suricata_select_alias.php')

diff --git a/config/suricata/suricata_select_alias.php b/config/suricata/suricata_select_alias.php
new file mode 100644
index 00000000..527412d1
--- /dev/null
+++ b/config/suricata/suricata_select_alias.php
@@ -0,0 +1,241 @@
+<?php
+/* $Id$ */
+/*
+	suricata_select_alias.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");
+
+// Need to keep track of who called us so we can return to the correct page
+// when the SAVE button is clicked.  On initial entry, a GET variable is 
+// passed with the referrer's URL encoded within.  That value is saved and
+// used when SAVE or CANCEL is clicked to return to the referring page.
+// 
+
+// Retrieve the QUERY STRING of the original referrer so we can return it.
+// On the initial pass, we will save it in a hidden POST field so we won't
+// overwrite it on subsequent POST-BACKs to this page.
+if (!isset($_POST['org_querystr']))
+	$querystr = $_SERVER['QUERY_STRING'];
+else
+	$querystr = $_POST['org_querystr'];
+
+// Retrieve any passed QUERY STRING or POST variables
+if (isset($_POST['type']))
+	$type = $_POST['type'];
+elseif (isset($_GET['type']))
+	$type = htmlspecialchars($_GET['type']);
+
+if (isset($_POST['varname']))
+	$varname = $_POST['varname'];
+elseif (isset($_GET['varname']))
+	$varname = htmlspecialchars($_GET['varname']);
+
+if (isset($_POST['multi_ip']))
+	$multi_ip = $_POST['multi_ip'];
+elseif (isset($_GET['multi_ip']))
+	$multi_ip = htmlspecialchars($_GET['multi_ip']);
+
+if (isset($_POST['returl']))
+	$referrer = urldecode($_POST['returl']);
+elseif (isset($_GET['returl']))
+	$referrer = urldecode($_GET['returl']);
+
+// Make sure we have a valid VARIABLE name
+// and ALIAS TYPE, or else bail out.
+if (is_null($type) || is_null($varname)) {
+	header("Location: http://{$referrer}?{$querystr}");
+	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 = $config['aliases']['alias'];
+
+// Create an array consisting of the Alias types the
+// caller wants to select from.
+$a_types = array();
+$a_types = explode('|', strtolower($type));
+
+// Create a proper title based on the Alias types
+$title = "a";
+switch (count($a_types)) {
+	case 1:
+		$title .= " " . ucfirst($a_types[0]);
+		break;
+
+	case 2:
+		$title .= " " . ucfirst($a_types[0]) . " or " . ucfirst($a_types[1]);
+		break;
+
+	case 3:
+		$title .= " " . ucfirst($a_types[0]) . ", " . ucfirst($a_types[1]) . " or " . ucfirst($a_types[2]);
+
+	default:
+		$title = "n";
+}
+
+if ($_POST['cancel']) {
+	header("Location: {$referrer}?{$querystr}");
+	exit;
+}
+
+if ($_POST['save']) {
+	if(empty($_POST['alias']))
+		$input_errors[] = gettext("No alias is selected.  Please select an alias before saving.");
+
+	// if no errors, write new entry to conf
+	if (!$input_errors) {
+		$selection = $_POST['alias'];
+		header("Location: {$referrer}?{$querystr}&varvalue={$selection}");
+		exit;
+	}
+}
+
+$pgtitle = gettext("Suricata: Select {$title} Alias");
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<form action="suricata_select_alias.php" method="post">
+<input type="hidden" name="varname" value="<?=$varname;?>"/>
+<input type="hidden" name="type" value="<?=$type;?>"/>
+<input type="hidden" name="multi_ip" value="<?=$multi_ip;?>"/>
+<input type="hidden" name="returl" value="<?=$referrer;?>"/>
+<input type="hidden" name="org_querystr" value="<?=$querystr;?>"/>
+<?php if ($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 an Alias to use 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 $alias): ?>
+			<?php if (!in_array($alias['type'], $a_types))
+				continue;
+			      if ( ($alias['type'] == "network" || $alias['type'] == "host") && 
+				    $multi_ip != "yes" && 
+				    !suricata_is_single_addr_alias($alias['name'])) {
+				$textss = "<span class=\"gray\">";
+				$textse = "</span>";
+				$disable = true;
+			        $tooltip = gettext("Aliases resolving to multiple address entries cannot be used with the destination target.");
+			      }
+			      elseif (($alias['type'] == "network" || $alias['type'] == "host") && 
+				       trim(filter_expand_alias($alias['name'])) == "") {
+				$textss = "<span class=\"gray\">";
+				$textse = "</span>";
+				$disable = true;
+			        $tooltip = gettext("Aliases representing a FQDN host cannot be used in Suricata configurations.");
+			      }
+			      else {
+				$textss = "";
+				$textse = "";
+				$disable = "";
+				$selectablealias = true;
+			        $tooltip = gettext("Selected entry will be imported. Click to toggle selection.");
+			      }
+			?>
+			<?php if ($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="radio" name="alias" 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 selection.");?></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>
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