From 10cab278e653f00bd8ec0ee0e82d30e5c7798042 Mon Sep 17 00:00:00 2001
From: bmeeks8 <bmeeks8@bellsouth.net>
Date: Wed, 19 Feb 2014 14:08:14 -0500
Subject: BETA version of Suricata 1.4.6 IDS package v0.1 for pfSense.

---
 config/suricata/suricata_interfaces.php | 474 ++++++++++++++++++++++++++++++++
 1 file changed, 474 insertions(+)
 create mode 100644 config/suricata/suricata_interfaces.php

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

diff --git a/config/suricata/suricata_interfaces.php b/config/suricata/suricata_interfaces.php
new file mode 100644
index 00000000..47a3ba11
--- /dev/null
+++ b/config/suricata/suricata_interfaces.php
@@ -0,0 +1,474 @@
+<?php
+/*
+ * suricata_interfaces.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.
+ */
+
+$nocsrf = true;
+require_once("guiconfig.inc");
+require_once("/usr/local/pkg/suricata/suricata.inc");
+
+global $g, $rebuild_rules;
+
+$suricatadir = SURICATADIR;
+$suricatalogdir = SURICATALOGDIR;
+$rcdir = RCFILEPREFIX;
+
+$id = $_GET['id'];
+if (isset($_POST['id']))
+	$id = $_POST['id'];
+
+if (!is_array($config['installedpackages']['suricata']['rule']))
+	$config['installedpackages']['suricata']['rule'] = array();
+$a_nat = &$config['installedpackages']['suricata']['rule'];
+$id_gen = count($config['installedpackages']['suricata']['rule']);
+
+if (isset($_POST['del_x'])) {
+	/* delete selected rules */
+	if (is_array($_POST['rule'])) {
+		conf_mount_rw();
+		foreach ($_POST['rule'] as $rulei) {
+			/* convert fake interfaces to real */
+			$if_real = suricata_get_real_interface($a_nat[$rulei]['interface']);
+			$suricata_uuid = $a_nat[$rulei]['uuid'];
+			suricata_stop($a_nat[$rulei], $if_real);
+			exec("/bin/rm -r {$suricatalogdir}suricata_{$if_real}{$suricata_uuid}");
+			exec("/bin/rm -r {$suricatadir}suricata_{$suricata_uuid}_{$if_real}");
+
+			// If interface had auto-generated Suppress List, then
+			// delete that along with the interface
+			$autolist = "{$a_nat[$rulei]['interface']}" . "suppress";
+			if (is_array($config['installedpackages']['suricata']['suppress']) && 
+			    is_array($config['installedpackages']['suricata']['suppress']['item'])) {
+				$a_suppress = &$config['installedpackages']['suricata']['suppress']['item'];
+				foreach ($a_suppress as $k => $i) {
+					if ($i['name'] == $autolist) {
+						unset($config['installedpackages']['suricata']['suppress']['item'][$k]);
+						break;
+					}
+				}
+			}
+
+			// Finally delete the interface's config entry entirely
+			unset($a_nat[$rulei]);
+		}
+		conf_mount_ro();
+	  
+		/* If all the Suricata interfaces are removed, then unset the config array. */
+		if (empty($a_nat))
+			unset($a_nat);
+
+		write_config();
+		sleep(2);
+	  
+		/* if there are no ifaces remaining do not create suricata.sh */
+		if (!empty($config['installedpackages']['suricata']['rule']))
+			suricata_create_rc();
+		else {
+			conf_mount_rw();
+			@unlink("{$rcdir}/suricata.sh");
+			conf_mount_ro();
+		}
+	  
+		sync_suricata_package_config();
+	  
+		header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
+		header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
+		header( 'Cache-Control: no-store, no-cache, must-revalidate' );
+		header( 'Cache-Control: post-check=0, pre-check=0', false );
+		header( 'Pragma: no-cache' );
+		header("Location: /suricata/suricata_interfaces.php");
+		exit;
+	}
+
+}
+
+/* start/stop Barnyard2 */
+if ($_GET['act'] == 'bartoggle' && is_numeric($id)) {
+	$suricatacfg = $config['installedpackages']['suricata']['rule'][$id];
+	$if_real = suricata_get_real_interface($suricatacfg['interface']);
+	$if_friendly = suricata_get_friendly_interface($suricatacfg['interface']);
+
+	if (suricata_is_running($suricatacfg['uuid'], $if_real, 'barnyard2') == 'no') {
+		log_error("Toggle (barnyard starting) for {$if_friendly}({$suricatacfg['descr']})...");
+		sync_suricata_package_config();
+		suricata_barnyard_start($suricatacfg, $if_real);
+	} else {
+		log_error("Toggle (barnyard stopping) for {$if_friendly}({$suricatacfg['descr']})...");
+		suricata_barnyard_stop($suricatacfg, $if_real);
+	}
+
+	sleep(3); // So the GUI reports correctly
+	header("Location: /suricata/suricata_interfaces.php");
+	exit;
+}
+
+/* start/stop Suricata */
+if ($_GET['act'] == 'toggle' && is_numeric($id)) {
+	$suricatacfg = $config['installedpackages']['suricata']['rule'][$id];
+	$if_real = suricata_get_real_interface($suricatacfg['interface']);
+	$if_friendly = suricata_get_friendly_interface($suricatacfg['interface']);
+
+	if (suricata_is_running($suricatacfg['uuid'], $if_real) == 'yes') {
+		log_error("Toggle (suricata stopping) for {$if_friendly}({$suricatacfg['descr']})...");
+		suricata_stop($suricatacfg, $if_real);
+	} else {
+		log_error("Toggle (suricata starting) for {$if_friendly}({$suricatacfg['descr']})...");
+		// set flag to rebuild interface rules before starting Snort
+		$rebuild_rules = true;
+		sync_suricata_package_config();
+		$rebuild_rules = false;
+		suricata_start($suricatacfg, $if_real);
+	}
+	sleep(3); // So the GUI reports correctly
+	header( 'Expires: Sat, 26 Jul 1997 05:00:00 GMT' );
+	header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
+	header( 'Cache-Control: no-store, no-cache, must-revalidate' );
+	header( 'Cache-Control: post-check=0, pre-check=0', false );
+	header( 'Pragma: no-cache' );
+	header("Location: /suricata/suricata_interfaces.php");
+	exit;
+}
+
+$pgtitle = "Services: Suricata Intrusion Detection System";
+include_once("head.inc");
+
+?>
+<body link="#000000" vlink="#000000" alink="#000000">
+
+<?php
+include_once("fbegin.inc");
+if ($pfsense_stable == 'yes')
+	echo '<p class="pgtitle">' . $pgtitle . '</p>';
+?>
+
+<form action="suricata_interfaces.php" method="post" enctype="multipart/form-data" name="iform" id="iform">
+<?php
+	/* Display Alert message */
+	if ($input_errors)
+		print_input_errors($input_errors); // TODO: add checks
+
+	if ($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"), true, "/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"), false, "/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">
+		<tr id="frheader">
+			<td width="3%" class="list">&nbsp;</td>
+			<td width="10%" class="listhdrr"><?php echo gettext("Interface"); ?></td>
+			<td width="13%" class="listhdrr"><?php echo gettext("Suricata"); ?></td>
+			<td width="10%" class="listhdrr"><?php echo gettext("Pattern Match"); ?></td>
+			<td width="10%" class="listhdrr"><?php echo gettext("Block"); ?></td>
+			<td width="12%" class="listhdrr"><?php echo gettext("Barnyard2"); ?></td>
+			<td width="30%" class="listhdr"><?php echo gettext("Description"); ?></td>
+			<td width="3%" class="list">
+			<table border="0" cellspacing="0" cellpadding="0">
+				<tr>
+					<td></td>
+					<td align="center" valign="middle"><a href="suricata_interfaces_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 Suricata interface mapping');?>"></a></td>
+				</tr>
+			</table>
+			</td>
+		</tr>
+		<?php $nnats = $i = 0;
+
+		// Turn on buffering to speed up rendering
+		ini_set('output_buffering','true');
+
+		// Start buffering to fix display lag issues in IE9 and IE10
+		ob_start(null, 0);
+
+		/* If no interfaces are defined, then turn off the "no rules" warning */
+		$no_rules_footnote = false;
+		if ($id_gen == 0)
+			$no_rules = false;
+		else
+			$no_rules = true;
+
+		foreach ($a_nat as $natent): ?>
+		<tr valign="top" id="fr<?=$nnats;?>">
+		<?php
+
+			/* convert fake interfaces to real and check if iface is up */
+			/* There has to be a smarter way to do this */
+			$if_real = suricata_get_real_interface($natent['interface']);
+			$natend_friendly= suricata_get_friendly_interface($natent['interface']);
+			$suricata_uuid = $natent['uuid'];
+			if (suricata_is_running($suricata_uuid, $if_real) == 'no'){
+				$iconfn = 'block';
+				$iconfn_msg1 = 'Suricata is not running on ';
+				$iconfn_msg2 = '. Click to start.';
+			}
+			else{
+				$iconfn = 'pass';
+				$iconfn_msg1 = 'Suricata is running on ';
+				$iconfn_msg2 = '. Click to stop.';
+			}
+			if (suricata_is_running($suricata_uuid, $if_real, 'barnyard2') == 'no'){
+				$biconfn = 'block';
+				$biconfn_msg1 = 'Barnyard2 is not running on ';
+				$biconfn_msg2 = '. Click to start.';
+			}
+			else{
+				$biconfn = 'pass';
+				$biconfn_msg1 = 'Barnyard2 is running on ';
+				$biconfn_msg2 = '. Click to stop.';
+				}
+
+			/* See if interface has any rules defined and set boolean flag */
+			$no_rules = true;
+			if (isset($natent['customrules']) && !empty($natent['customrules']))
+				$no_rules = false;
+			if (isset($natent['rulesets']) && !empty($natent['rulesets']))
+				$no_rules = false;
+			if (isset($natent['ips_policy']) && !empty($natent['ips_policy']))
+				$no_rules = false;
+			/* Do not display the "no rules" warning if interface disabled */
+			if ($natent['enable'] == "off")
+				$no_rules = false;
+			if ($no_rules)
+				$no_rules_footnote = true;
+		?>
+			<td class="listt">
+			<input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0;">
+			</td>
+			<td class="listr" 
+			id="frd<?=$nnats;?>" valign="middle" 
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<?php
+				echo $natend_friendly;
+			?>
+			</td>
+			<td class="listr"  
+			id="frd<?=$nnats;?>"  
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<?php
+			$check_suricata_info = $config['installedpackages']['suricata']['rule'][$nnats]['enable'];
+			if ($check_suricata_info == "on") {
+				echo gettext("ENABLED");
+				echo "<a href='?act=toggle&id={$i}'>
+					<img src='../themes/{$g['theme']}/images/icons/icon_{$iconfn}.gif'
+					width='13' height='13' border='0' 
+					title='" . gettext($iconfn_msg1.$natend_friendly.$iconfn_msg2) . "'></a>";
+				echo ($no_rules) ? "&nbsp;<img src=\"../themes/{$g['theme']}/images/icons/icon_frmfld_imp.png\" width=\"15\" height=\"15\" border=\"0\">" : "";
+			} else
+				echo gettext("DISABLED");
+			?>
+			</td>
+			<td class="listr" 
+			id="frd<?=$nnats;?>" valign="middle" 
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<?php
+			$check_performance_info = $config['installedpackages']['suricata']['rule'][$nnats]['mpm_algo'];
+			if ($check_performance_info != "") {
+				$check_performance = $check_performance_info;
+			}else{
+				$check_performance = "unknown";
+			}
+			?> <?=strtoupper($check_performance);?>
+			</td>
+			<td class="listr" 
+			id="frd<?=$nnats;?>" valign="middle" 
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<?php
+			$check_blockoffenders_info = $config['installedpackages']['suricata']['rule'][$nnats]['blockoffenders'];
+			if ($check_blockoffenders_info == "on")
+			{
+				$check_blockoffenders = enabled;
+			} else {
+				$check_blockoffenders = disabled;
+			}
+			?> <?=strtoupper($check_blockoffenders);?>
+			</td>
+			<td class="listr" 
+			id="frd<?=$nnats;?>" valign="middle" 
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<?php
+			$check_suricatabarnyardlog_info = $config['installedpackages']['suricata']['rule'][$nnats]['barnyard_enable'];
+			if ($check_suricatabarnyardlog_info == "on") {
+				echo gettext("ENABLED");
+				echo "<a href='?act=bartoggle&id={$i}'>
+					<img src='../themes/{$g['theme']}/images/icons/icon_{$biconfn}.gif'
+					width='13' height='13' border='0' 
+					title='" . gettext($biconfn_msg1.$natend_friendly.$biconfn_msg2) . "'></a>";
+			} else
+				echo gettext("DISABLED");
+			?>
+			</td>
+			<td class="listbg" valign="middle" 
+			ondblclick="document.location='suricata_interfaces_edit.php?id=<?=$nnats;?>';">
+			<font color="#ffffff"> <?=htmlspecialchars($natent['descr']);?>&nbsp;</font>
+			</td>
+			<td valign="middle" class="list" nowrap>
+			<table border="0" cellspacing="0" cellpadding="0">
+				<tr>
+					<td><a href="suricata_interfaces_edit.php?id=<?=$i;?>"><img
+						src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif"
+						width="17" height="17" border="0" title="<?php echo gettext('Edit Suricata interface mapping'); ?>"></a>
+					</td>
+				</tr>
+			</table>
+			</td>	
+		</tr>
+		<?php $i++; $nnats++; endforeach; ob_end_flush(); ?>
+		<tr>
+			<td class="list"></td>
+			<td class="list" colspan="6">
+				<?php if ($no_rules_footnote): ?><br><img src="../themes/<?= $g['theme']; ?>/images/icons/icon_frmfld_imp.png" width="15" height="15" border="0">
+					<span class="red">&nbsp;&nbsp <?php echo gettext("WARNING: Marked interface currently has no rules defined for Suricata"); ?></span>
+				<?php else: ?>&nbsp;
+				<?php endif; ?>					 
+			</td>
+			<td class="list" valign="middle" nowrap>
+				<table border="0" cellspacing="0" cellpadding="0">
+					<tr>
+						<td><?php if ($nnats == 0): ?><img
+						src="../themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif"
+						width="17" height="17" " border="0">
+						<?php else: ?>
+						<input name="del" type="image"
+						src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif"
+						width="17" height="17" title="<?php echo gettext("Delete selected Suricata interface mapping(s)"); ?>"
+						onclick="return intf_del()">
+						<?php endif; ?></td>
+					</tr>
+				</table>
+			</td>
+		</tr>
+		<tr>
+		<td colspan="8">&nbsp;</td>
+		</tr>
+		<tr>
+			<td>&nbsp;</td>
+			<td colspan="6">
+			<table class="tabcont" width="100%" border="0" cellpadding="1" cellspacing="0">
+				<tr>
+					<td colspan="3" class="vexpl"><span class="red"><strong><?php echo gettext("Note:"); ?></strong></span> <br>
+						<?php echo gettext("This is the ") . "<strong>" . gettext("Suricata Menu ") . 
+						"</strong>" . gettext("where you can see an overview of all your interface settings.  ");
+						if (empty($a_nat)) {
+							echo gettext("Please configure the parameters on the ") . "<strong>" . gettext("Global Settings") . 
+							"</strong>" . gettext(" tab before adding an interface."); 
+						}?>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="3" class="vexpl"><br>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="3" class="vexpl"><span class="red"><strong><?php echo gettext("Warning:"); ?></strong></span><br>
+						<strong><?php echo gettext("New settings will not take effect until interface restart."); ?></strong>
+					</td>
+				</tr>
+				<tr>
+					<td colspan="3" class="vexpl"><br>
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><strong>Click</strong> on the <img src="../themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif"
+						width="17" height="17" border="0" title="<?php echo gettext("Add Icon"); ?>"> icon to add 
+						an interface.
+					</td>
+					<td width="3%" class="vexpl">&nbsp;
+					</td>
+					<td class="vexpl"><img src="../themes/<?= $g['theme']; ?>/images/icons/icon_pass.gif"
+						width="13" height="13" border="0" title="<?php echo gettext("Running"); ?>">
+						<img src="../themes/<?= $g['theme']; ?>/images/icons/icon_block.gif"
+						width="13" height="13" border="0" title="<?php echo gettext("Not Running"); ?>">  icons will show current 
+						suricata and barnyard2 status.
+					</td>
+				</tr>
+				<tr>
+					<td class="vexpl"><strong>Click</strong> on the <img src="../themes/<?= $g['theme']; ?>/images/icons/icon_e.gif"
+						width="17" height="17" border="0" title="<?php echo gettext("Edit Icon"); ?>"> icon to edit 
+						an interface and settings.
+					<td width="3%">&nbsp;
+					</td>
+					<td class="vexpl"><strong>Click</strong> on the status icons to <strong>toggle</strong> suricata and barnyard2 status.
+					</td>
+				</tr>
+				<tr>
+					<td colspan="3" class="vexpl"><strong> Click</strong> on the <img src="../themes/<?= $g['theme']; ?>/images/icons/icon_x.gif"
+						width="17" height="17" border="0" title="<?php echo gettext("Delete Icon"); ?>"> icon to
+						delete an interface and settings.
+					</td>
+				</tr>
+			</table>
+			</td>
+			<td>&nbsp;</td>
+		</tr>
+	</table>
+	</div>
+	</td>
+</tr>
+</table>
+</form>
+
+<script type="text/javascript">
+
+function intf_del() {
+	var isSelected = false;
+	var inputs = document.iform.elements;
+	for (var i = 0; i < inputs.length; i++) {
+		if (inputs[i].type == "checkbox") {
+			if (inputs[i].checked)
+				isSelected = true;
+		}
+	}
+	if (isSelected)
+		return confirm('Do you really want to delete the selected Suricata mapping?');
+	else
+		alert("There is no Suricata mapping selected for deletion.  Click the checkbox beside the Suricata mapping(s) you wish to delete.");
+}
+
+</script>
+
+<?php
+include("fend.inc");
+?>
+</body>
+</html>
-- 
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