From 94aafa5bcef07d85b2fdc820457594ce047f425e Mon Sep 17 00:00:00 2001
From: bmeeks8 <bmeeks8@bellsouth.net>
Date: Fri, 5 Dec 2014 00:03:31 -0500
Subject: Add support for IP REPUTATION to GUI code.

---
 config/suricata/suricata_ip_reputation.php | 472 +++++++++++++++++++++++++++++
 1 file changed, 472 insertions(+)
 create mode 100644 config/suricata/suricata_ip_reputation.php

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

diff --git a/config/suricata/suricata_ip_reputation.php b/config/suricata/suricata_ip_reputation.php
new file mode 100644
index 00000000..d1e67dad
--- /dev/null
+++ b/config/suricata/suricata_ip_reputation.php
@@ -0,0 +1,472 @@
+<?php
+/*
+ * suricata_ip_reputation.php
+ * part of pfSense
+ *
+ * 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");
+
+global $g, $rebuild_rules;
+
+if (isset($_POST['id']) && is_numericint($_POST['id']))
+	$id = $_POST['id'];
+elseif (isset($_GET['id']) && is_numericint($_GET['id']))
+	$id = htmlspecialchars($_GET['id']);
+
+if (is_null($id)) {
+	header("Location: /suricata/suricata_interfaces.php");
+	exit;
+}
+
+if (!is_array($config['installedpackages']['suricata']['rule'])) {
+	$config['installedpackages']['suricata']['rule'] = array();
+}
+if (!is_array($config['installedpackages']['suricata']['rule'][$id]['iplist_files']['item'])) {
+	$config['installedpackages']['suricata']['rule'][$id]['iplist_files']['item'] = array();
+}
+
+$a_nat = &$config['installedpackages']['suricata']['rule'];
+
+// If doing a postback, used typed values, else load from stored config
+if (!empty($_POST)) {
+	$pconfig = $_POST;
+}
+else {
+	$pconfig = $a_nat[$id];
+}
+
+$iprep_path = SURICATA_IPREP_PATH;
+$if_real = get_real_interface($a_nat[$id]['interface']);
+$suricata_uuid = $config['installedpackages']['suricata']['rule'][$id]['uuid'];
+
+if ($_POST['mode'] == 'iprep_catlist_add' && isset($_POST['iplist'])) {
+	$pconfig = $_POST;
+
+	// Test the supplied IP List file to see if it exists
+	if (file_exists($_POST['iplist'])) {
+		if (!$input_errors) {
+			$a_nat[$id]['iprep_catlist'] = basename($_POST['iplist']);
+			write_config("Suricata pkg: added new IP Rep Categories file for IP REPUTATION preprocessor.");
+			mark_subsystem_dirty('suricata_iprep');
+		}
+	}
+	else
+		$input_errors[] = gettext("The file '{$_POST['iplist']}' could not be found.");
+
+	$pconfig['iprep_catlist'] = $a_nat[$id]['iprep_catlist'];
+	$pconfig['iplist_files'] = $a_nat[$id]['iplist_files'];
+}
+
+if ($_POST['mode'] == 'iplist_add' && isset($_POST['iplist'])) {
+	$pconfig = $_POST;
+
+	// Test the supplied IP List file to see if it exists
+	if (file_exists($_POST['iplist'])) {
+		// See if the file is already assigned to the interface
+		foreach ($a_nat[$id]['iplist_files']['item'] as $f) {
+			if ($f == basename($_POST['iplist'])) {
+				$input_errors[] = gettext("The file {$f} is already assigned as a whitelist file.");
+				break;
+			}
+		}
+		if (!$input_errors) {
+			$a_nat[$id]['iplist_files']['item'][] = basename($_POST['iplist']);
+			write_config("Suricata pkg: added new whitelist file for IP REPUTATION preprocessor.");
+			mark_subsystem_dirty('suricata_iprep');
+		}
+	}
+	else
+		$input_errors[] = gettext("The file '{$_POST['iplist']}' could not be found.");
+
+	$pconfig['iprep_catlist'] = $a_nat[$id]['iprep_catlist'];
+	$pconfig['iplist_files'] = $a_nat[$id]['iplist_files'];
+}
+
+if ($_POST['iprep_catlist_del']) {
+	$pconfig = $_POST;
+	unset($a_nat[$id]['iprep_catlist']);
+	write_config("Suricata pkg: deleted blacklist file for IP REPUTATION preprocessor.");
+	mark_subsystem_dirty('suricata_iprep');
+	$pconfig['iprep_catlist'] = $a_nat[$id]['iprep_catlist'];
+	$pconfig['iplist_files'] = $a_nat[$id]['iplist_files'];
+}
+
+if ($_POST['iplist_del'] && is_numericint($_POST['list_id'])) {
+	$pconfig = $_POST;
+	unset($a_nat[$id]['iplist_files']['item'][$_POST['list_id']]);
+	write_config("Suricata pkg: deleted whitelist file for IP REPUTATION preprocessor.");
+	mark_subsystem_dirty('suricata_iprep');
+	$pconfig['iplist_files'] = $a_nat[$id]['iplist_files'];
+	$pconfig['iprep_catlist'] = $a_nat[$id]['iprep_catlist'];
+}
+
+if ($_POST['save'] || $_POST['apply']) {
+
+	$pconfig['iprep_catlist'] = $a_nat[$id]['iprep_catlist'];
+	$pconfig['iplist_files'] = $a_nat[$id]['iplist_files'];
+
+	// Validate HOST TABLE values
+	if ($_POST['host_memcap'] < 1000000 || !is_numericint($_POST['host_memcap']))
+		$input_errors[] = gettext("The value for 'Host Memcap' must be a numeric integer greater than 1MB (1,048,576!");
+	if ($_POST['host_hash_size'] < 1024 || !is_numericint($_POST['host_hash_size']))
+		$input_errors[] = gettext("The value for 'Host Hash Size' must be a numeric integer greater than 1024!");
+	if ($_POST['host_prealloc'] < 10 || !is_numericint($_POST['host_prealloc']))
+		$input_errors[] = gettext("The value for 'Host Memcap' must be a numeric integer greater than 10!");
+
+	// Validate CATEGORIES FILE
+	if ($_POST['enable_iprep'] == 'on') {
+		if (empty($a_nat[$id]['iprep_catlist']))
+			$input_errors[] = gettext("Assignment of a 'Categories File' is required when IP Reputation is enabled!");
+	}
+
+	// If no errors write to conf
+	if (!$input_errors) {
+
+		$a_nat[$id]['enable_iprep'] = $_POST['enable_iprep'] ? 'on' : 'off';
+		$a_nat[$id]['host_memcap'] = str_replace(",", "", $_POST['host_memcap']);
+		$a_nat[$id]['host_hash_size'] = str_replace(",", "", $_POST['host_hash_size']);
+		$a_nat[$id]['host_prealloc'] = str_replace(",", "", $_POST['host_prealloc']);
+
+		write_config("Suricata pkg: modified IP REPUTATION preprocessor settings for {$a_nat[$id]['interface']}.");
+
+		// Update the suricata conf file for this interface
+		$rebuild_rules = false;
+		conf_mount_rw();
+		suricata_generate_yaml($a_nat[$id]);
+		conf_mount_ro();
+
+		// Soft-restart Suricata to live-load new variables
+		suricata_reload_config($a_nat[$id]);
+
+		// We have saved changes and done a soft restart, so clear "dirty" flag
+		clear_subsystem_dirty('suricata_iprep');
+	}
+}
+
+$if_friendly = convert_friendly_interface_to_friendly_descr($a_nat[$id]['interface']);
+$pgtitle = gettext("Suricata: Interface {$if_friendly} IP Reputation Preprocessor");
+include_once("head.inc");
+
+?>
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+
+<?php 
+include("fbegin.inc"); 
+/* Display Alert message */
+if ($input_errors)
+	print_input_errors($input_errors);
+if ($savemsg)
+	print_info_box($savemsg);
+?>
+
+<form action="suricata_ip_reputation.php" method="post" name="iform" id="iform" >
+<input name="id" type="hidden" value="<?=$id;?>" />
+<input type="hidden" id="mode" name="mode" value="" />
+<input name="iplist" id="iplist" type="hidden" value="" />
+<input name="list_id" id="list_id" type="hidden" value="" />
+
+<?php if (is_subsystem_dirty('suricata_iprep') && !$input_errors): ?><p>
+<?php print_info_box_np(gettext("A change has been made to IP List file assignments.") . "<br/>" . gettext("You must apply the change in order for it to take effect."));?>
+<?php endif; ?>
+
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+	<tr>
+		<td>
+		<?php
+		$tab_array = array();
+		$tab_array[] = array(gettext("Interfaces"), true, "/suricata/suricata_interfaces.php");
+		$tab_array[] = array(gettext("Global Settings"), false, "/suricata/suricata_global.php");
+		$tab_array[] = array(gettext("Updates"), false, "/suricata/suricata_download_updates.php");
+		$tab_array[] = array(gettext("Alerts"), false, "/suricata/suricata_alerts.php?instance={$id}");
+		$tab_array[] = array(gettext("Blocks"), false, "/suricata/suricata_blocked.php");
+		$tab_array[] = array(gettext("Pass Lists"), false, "/suricata/suricata_passlist.php");
+		$tab_array[] = array(gettext("Suppress"), false, "/suricata/suricata_suppress.php");
+		$tab_array[] = array(gettext("Logs View"), false, "/suricata/suricata_logs_browser.php?instance={$id}");
+		$tab_array[] = array(gettext("Logs Mgmt"), false, "/suricata/suricata_logs_mgmt.php");
+		$tab_array[] = array(gettext("SID Mgmt"), false, "/suricata/suricata_sid_mgmt.php");
+		$tab_array[] = array(gettext("Sync"), false, "/pkg_edit.php?xml=suricata/suricata_sync.xml");
+		$tab_array[] = array(gettext("IP Lists"), false, "/suricata/suricata_ip_list_mgmt.php");
+		display_top_tabs($tab_array, true);
+		echo '</td></tr>';
+		echo '<tr><td class="tabnavtbl">';
+		$tab_array = array();
+		$menu_iface=($if_friendly?substr($if_friendly,0,5)." ":"Iface ");
+		$tab_array[] = array($menu_iface . gettext("Settings"), false, "/suricata/suricata_interfaces_edit.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("Categories"), false, "/suricata/suricata_rulesets.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("Rules"), false, "/suricata/suricata_rules.php?id={$id}");
+	        $tab_array[] = array($menu_iface . gettext("Flow/Stream"), false, "/suricata/suricata_flow_stream.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("App Parsers"), false, "/suricata/suricata_app_parsers.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("Variables"), false, "/suricata/suricata_define_vars.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("Barnyard2"), false, "/suricata/suricata_barnyard.php?id={$id}");
+		$tab_array[] = array($menu_iface . gettext("IP Rep"), true, "/suricata/suricata_ip_reputation.php?id={$id}");
+		display_top_tabs($tab_array, true);
+		?>
+		</td>
+	</tr>
+	<tr>
+		<td><div id="mainarea">
+			<table id="maintable" class="tabcont" width="100%" border="0" cellpadding="6" cellspacing="0">
+				<tbody>
+				<tr>
+					<td colspan="2" valign="top" class="listtopic"><?php echo gettext("IP Reputation Configuration"); ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign='top' class='vncell'><?php echo gettext("Enable"); ?>
+					</td>
+					<td width="78%" class="vtable"><input name="enable_iprep" type="checkbox" value="on" <?php if ($pconfig['enable_iprep'] == "on") echo "checked"; ?>/>
+					<?php echo gettext("Use IP Reputation Lists on this interface.  Default is ") . "<strong>" . gettext("Not Checked.") . "</strong>"; ?>
+					</td>
+				</tr>
+				<tr>
+					<td width="22%" valign="top" class="vncell"><?php echo gettext("Host Memcap"); ?></td>
+					<td width="78%" class="vtable"><input name="host_memcap" type="text" 
+					class="formfld unknown" id="host_memcap" size="8" value="<?=htmlspecialchars($pconfig['host_memcap']); ?>"/>&nbsp;
+					<?php echo gettext("Host table memory cap in bytes.  Default is ") . "<strong>" . 
+					gettext("16777216") . "</strong>" . gettext(" (16 MB).  Min value is 1048576 (1 MB)."); ?><br/><br/><?php echo gettext("When using large IP Reputation Lists, this value may need to be increased " . 
+					"to avoid exhausting Host Table memory.") ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign="top" class="vncell"><?php echo gettext("Host Hash Size"); ?></td>
+					<td width="78%" class="vtable"><input name="host_hash_size" type="text" 
+					class="formfld unknown" id="host_hash_size" size="8" value="<?=htmlspecialchars($pconfig['host_hash_size']); ?>"/>&nbsp;
+					<?php echo gettext("Host Hash Size in bytes.  Default is ") . "<strong>" . 
+					gettext("4096") . "</strong>" . gettext(".  Min value is 1024."); ?><br/><br/><?php echo gettext("When using large IP Reputation Lists, this value may need to be increased."); ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign="top" class="vncell"><?php echo gettext("Host Preallocations"); ?></td>
+					<td width="78%" class="vtable"><input name="host_prealloc" type="text" 
+					class="formfld unknown" id="host_prealloc" size="8" value="<?=htmlspecialchars($pconfig['host_prealloc']); ?>"/>&nbsp;
+					<?php echo gettext("Number of Host Table entries to preallocate.  Default is ") . "<strong>" . 
+					gettext("1000") . "</strong>" . gettext(".  Min value is 10."); ?><br/><br/><?php echo gettext("Increasing this value may slightly improve performance when using large IP Reputation Lists."); ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign="top" class="vncell">&nbsp;</td>
+					<td width="78%" class="vtable">
+					<input name="save" type="submit" class="formbtn" value="Save" title="<?=gettext("Save IP Reputation configuration");?>" />
+					&nbsp;&nbsp;<?=gettext("Click to save configuration settings and live-reload the running Suricata configuration.");?>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="2" valign="top" class="listtopic"><?php echo gettext("Assign Categories File"); ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign='top' class='vncell'><?php echo gettext("Categories File"); ?>
+					</td>
+					<td width="78%" class="vtable">
+					<!-- iprep_catlist_chooser -->
+					<div id="iprep_catlistChooser" name="iprep_catlistChooser" style="display:none; border:1px dashed gray; width:98%;"></div>
+						<table width="95%" border="0" cellpadding="2" cellspacing="0">
+							<colgroup>
+								<col style="text-align:left;">
+								<col style="width: 30%; text-align:left;">
+								<col style="width: 17px;">
+							</colgroup>
+							<thead>
+								<tr>
+									<th class="listhdrr"><?php echo gettext("Categories Filename"); ?></th>
+									<th class="listhdrr"><?php echo gettext("Modification Time"); ?></th>
+									<th class="list" align="left" valign="middle"><img style="cursor:pointer;" name="iprep_catlist_add" id="iprep_catlist_add" 
+									src="../themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" 
+									height="17" border="0" title="<?php echo gettext('Assign a Categories file');?>"/></th>
+								</tr>
+							</thead>
+							<tbody>
+							<?php if (!empty($pconfig['iprep_catlist'])) :
+									$class = "listr";
+									if (!file_exists("{$iprep_path}{$pconfig['iprep_catlist']}")) {
+										$filedate = gettext("Unknown -- file missing");
+										$class .= " red";
+									}
+									else
+										$filedate = date('M-d Y   g:i a', filemtime("{$iprep_path}{$pconfig['iprep_catlist']}"));
+							 ?>
+								<tr>
+									<td class="<?=$class;?>"><?=htmlspecialchars($pconfig['iprep_catlist']);?></td>
+									<td class="<?=$class;?>" align="center"><?=$filedate;?></td>
+									<td class="list"><input type="image" name="iprep_catlist_del[]" id="iprep_catlist_del[]" onClick="document.getElementById('list_id').value='0';" 
+									src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" 
+									border="0" title="<?php echo gettext('Remove this Categories file');?>"/></td>
+								</tr>
+							<?php endif; ?>
+								<tr>
+									<td colspan="2" class="vexpl"><span class="red"><strong><?=gettext("Note: ");?></strong></span>
+									<?=gettext("change to Categories File assignment is immediately saved.");?></td>
+								</tr>
+							</tbody>
+						</table>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="2" valign="top" class="listtopic"><?php echo gettext("Assign IP Reputation Lists"); ?></td>
+				</tr>
+				<tr>
+					<td width="22%" valign='top' class='vncell'><?php echo gettext("IP Reputation Files"); ?>
+					</td>
+					<td width="78%" class="vtable">
+						<table width="95%" border="0" cellpadding="2" cellspacing="0">
+					<!-- iplist_chooser -->
+					<div id="iplistChooser" name="iplistChooser" style="display:none; border:1px dashed gray; width:98%;"></div>
+							<colgroup>
+								<col style="text-align:left;">
+								<col style="width: 30%; text-align:left;">
+								<col style="width: 17px;">
+							</colgroup>
+							<thead>
+								<tr>
+									<th class="listhdrr"><?php echo gettext("IP Reputation List Filename"); ?></th>
+									<th class="listhdrr"><?php echo gettext("Modification Time"); ?></th>
+									<th class="list" align="left" valign="middle"><img style="cursor:pointer;" name="iplist_add" id="iplist_add" 
+									src="../themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" 
+									border="0" title="<?php echo gettext('Assign a whitelist file');?>"/></th>
+								</tr>
+							</thead>
+							<tbody>
+							<?php foreach($pconfig['iplist_files']['item'] as $k => $f):
+									$class = "listr";
+									if (!file_exists("{$iprep_path}{$f}")) {
+										$filedate = gettext("Unknown -- file missing");
+										$class .= " red";
+									}
+									else
+										$filedate = date('M-d Y   g:i a', filemtime("{$iprep_path}{$f}"));
+							 ?>
+								<tr>
+									<td class="<?=$class;?>"><?=htmlspecialchars($f);?></td>
+									<td class="<?=$class;?>" align="center"><?=$filedate;?></td>
+									<td class="list"><input type="image" name="iplist_del[]" id="iplist_del[]" onClick="document.getElementById('list_id').value='<?=$k;?>';" 
+									src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" 
+									border="0" title="<?php echo gettext('Remove this whitelist file');?>"/></td>
+								</tr>
+							<?php endforeach; ?>
+								<tr>
+									<td colspan="2" class="vexpl"><span class="red"><strong><?=gettext("Note: ");?></strong></span>
+									<?=gettext("changes to IP Reputation List assignments are immediately saved.");?></td>
+								</tr>
+							</tbody>
+						</table>
+					</td>
+				</tr>
+				</tbody>
+			</table>
+		</div>
+		</td>
+	</tr>
+</table>
+
+<script type="text/javascript">
+Event.observe(
+	window, "load",
+	function() {
+		Event.observe(
+			"iprep_catlist_add", "click",
+			function() {
+				Effect.Appear("iprep_catlistChooser", { duration: 0.25 });
+				iprep_catlistChoose();
+			}
+		);
+
+		Event.observe(
+			"iplist_add", "click",
+			function() {
+				Effect.Appear("iplistChooser", { duration: 0.25 });
+				iplistChoose();
+			}
+		);
+	}
+);
+
+function iprep_catlistChoose() {
+	Effect.Appear("iprep_catlistChooser", { duration: 0.25 });
+	if($("fbCurrentDir"))
+		$("fbCurrentDir").innerHTML = "Loading ...";
+
+	new Ajax.Request(
+		"/suricata/suricata_iprep_list_browser.php?container=iprep_catlistChooser&target=iplist&val=" + new Date().getTime(),
+		{ method: "get", onComplete: iprep_catlistComplete }
+	);
+}
+
+function iplistChoose() {
+	Effect.Appear("iplistChooser", { duration: 0.25 });
+	if($("fbCurrentDir"))
+		$("fbCurrentDir").innerHTML = "Loading ...";
+
+	new Ajax.Request(
+		"/suricata/suricata_iprep_list_browser.php?container=iplistChooser&target=iplist&val=" + new Date().getTime(),
+		{ method: "get", onComplete: iplistComplete }
+	);
+}
+
+function iprep_catlistComplete(req) {
+	$("iprep_catlistChooser").innerHTML = req.responseText;
+
+	var actions = {
+		fbClose: function() { $("iprep_catlistChooser").hide();                    },
+		fbFile:  function() { $("iplist").value = this.id;
+				      $("mode").value = 'iprep_catlist_add';
+				      document.getElementById('iform').submit();
+				    }
+	}
+
+	for(var type in actions) {
+		var elem = $("iprep_catlistChooser");
+		var list = elem.getElementsByClassName(type);
+		for (var i=0; i<list.length; i++) {
+			Event.observe(list[i], "click", actions[type]);
+			list[i].style.cursor = "pointer";
+		}
+	}
+}
+
+function iplistComplete(req) {
+	$("iplistChooser").innerHTML = req.responseText;
+
+	var actions = {
+		fbClose: function() { $("iplistChooser").hide();                    },
+		fbFile:  function() { $("iplist").value = this.id;
+				      $("mode").value = 'iplist_add';
+				      document.getElementById('iform').submit();
+				    }
+	}
+
+	for(var type in actions) {
+		var elem = $("iplistChooser");
+		var list = elem.getElementsByClassName(type);
+		for (var i=0; i<list.length; i++) {
+			Event.observe(list[i], "click", actions[type]);
+			list[i].style.cursor = "pointer";
+		}
+	}
+}
+
+</script>
+
+</form>
+<?php include("fend.inc"); ?>
+</body>
+</html>
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