snort-dev, move snort-dev2 code to snort-dev

1 files changed, 391 insertions, 0 deletions

diff --git a/config/snort-dev/snort_preprocessors.php b/config/snort-dev/snort_preprocessors.php
new file mode 100644
index 00000000..7f89d433
--- /dev/null
+++ b/config/snort-dev/snort_preprocessors.php
@@ -0,0 +1,391 @@
+<?php
+/* $Id$ */
+/*
+ snort_preprocessors.php
+ part of m0n0wall (http://m0n0.ch/wall)
+
+ Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+ Copyright (C) 2008-2009 Robert Zelaya.
+ Copyright (C) 2011 Ermal Luci
+ 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/snort/snort_gui.inc");
+require_once("/usr/local/pkg/snort/snort.inc");
+
+global $g;
+
+if (!is_array($config['installedpackages']['snortglobal']['rule'])) {
+	$config['installedpackages']['snortglobal']['rule'] = array();
+}
+$a_nat = &$config['installedpackages']['snortglobal']['rule'];
+
+$id = $_GET['id'];
+if (isset($_POST['id']))
+	$id = $_POST['id'];
+if (is_null($id)) {
+        header("Location: /snort/snort_interfaces.php");
+        exit;
+}
+
+$pconfig = array();
+if (isset($id) && $a_nat[$id]) {
+	$pconfig = $a_nat[$id];
+
+	/* new options */
+	$pconfig['perform_stat'] = $a_nat[$id]['perform_stat'];
+	$pconfig['def_ssl_ports_ignore'] = $a_nat[$id]['def_ssl_ports_ignore'];
+	$pconfig['flow_depth'] = $a_nat[$id]['flow_depth'];
+	$pconfig['max_queued_bytes'] = $a_nat[$id]['max_queued_bytes'];
+	$pconfig['max_queued_segs'] = $a_nat[$id]['max_queued_segs'];
+	$pconfig['perform_stat'] = $a_nat[$id]['perform_stat'];
+	$pconfig['http_inspect'] = $a_nat[$id]['http_inspect'];
+	$pconfig['other_preprocs'] = $a_nat[$id]['other_preprocs'];
+	$pconfig['ftp_preprocessor'] = $a_nat[$id]['ftp_preprocessor'];
+	$pconfig['smtp_preprocessor'] = $a_nat[$id]['smtp_preprocessor'];
+	$pconfig['sf_portscan'] = $a_nat[$id]['sf_portscan'];
+	$pconfig['dce_rpc_2'] = $a_nat[$id]['dce_rpc_2'];
+	$pconfig['dns_preprocessor'] = $a_nat[$id]['dns_preprocessor'];
+}
+
+/* convert fake interfaces to real */
+$if_real = snort_get_real_interface($pconfig['interface']);
+$snort_uuid = $pconfig['uuid'];
+
+/* alert file */
+$d_snortconfdirty_path = "/var/run/snort_conf_{$snort_uuid}_{$if_real}.dirty";
+
+if ($_POST) {
+
+	$natent = array();
+	$natent = $pconfig;
+
+	/* if no errors write to conf */
+	if (!$input_errors) {
+		/* post new options */
+		$natent['perform_stat'] = $_POST['perform_stat'];
+		if ($_POST['def_ssl_ports_ignore'] != "") { $natent['def_ssl_ports_ignore'] = $_POST['def_ssl_ports_ignore']; }else{ $natent['def_ssl_ports_ignore'] = ""; }
+		if ($_POST['flow_depth'] != "") { $natent['flow_depth'] = $_POST['flow_depth']; }else{ $natent['flow_depth'] = ""; }
+		if ($_POST['max_queued_bytes'] != "") { $natent['max_queued_bytes'] = $_POST['max_queued_bytes']; }else{ $natent['max_queued_bytes'] = ""; }
+		if ($_POST['max_queued_segs'] != "") { $natent['max_queued_segs'] = $_POST['max_queued_segs']; }else{ $natent['max_queued_segs'] = ""; }
+
+		$natent['perform_stat'] = $_POST['perform_stat'] ? 'on' : 'off';
+		$natent['http_inspect'] = $_POST['http_inspect'] ? 'on' : 'off';
+		$natent['other_preprocs'] = $_POST['other_preprocs'] ? 'on' : 'off';
+		$natent['ftp_preprocessor'] = $_POST['ftp_preprocessor'] ? 'on' : 'off';
+		$natent['smtp_preprocessor'] = $_POST['smtp_preprocessor'] ? 'on' : 'off';
+		$natent['sf_portscan'] = $_POST['sf_portscan'] ? 'on' : 'off';
+		$natent['dce_rpc_2'] = $_POST['dce_rpc_2'] ? 'on' : 'off';
+		$natent['dns_preprocessor'] = $_POST['dns_preprocessor'] ? 'on' : 'off';
+
+		if (isset($id) && $a_nat[$id])
+			$a_nat[$id] = $natent;
+		else {
+			if (is_numeric($after))
+				array_splice($a_nat, $after+1, 0, array($natent));
+			else
+				$a_nat[] = $natent;
+		}
+
+		write_config();
+
+		$if_real = snort_get_real_interface($pconfig['interface']);
+		sync_snort_package_config();
+
+		/* after click go to this page */
+		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: snort_preprocessors.php?id=$id");
+		exit;
+	}
+}
+
+$pgtitle = "Snort: Interface $id$if_real Preprocessors and Flow";
+include_once("head.inc");
+
+?>
+<body
+	link="#0000CC" vlink="#0000CC" alink="#0000CC">
+
+<?php include("fbegin.inc"); ?>
+<?if($pfsense_stable == 'yes'){echo '<p class="pgtitle">' . $pgtitle . '</p>';}?>
+
+<?php
+echo "{$snort_general_css}\n";
+?>
+
+<div class="body2">
+
+<noscript>
+<div class="alert" ALIGN=CENTER><img
+	src="../themes/<?php echo $g['theme']; ?>/images/icons/icon_alert.gif" /><strong>Please
+enable JavaScript to view this content
+</CENTER></div>
+</noscript>
+
+
+<form action="snort_preprocessors.php" method="post"
+	enctype="multipart/form-data" name="iform" id="iform"><?php
+
+	/* Display Alert message */
+
+	if ($input_errors) {
+		print_input_errors($input_errors); // TODO: add checks
+	}
+
+	if ($savemsg) {
+		print_info_box2($savemsg);
+	}
+
+	?>
+
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+<tr><td>
+<?php
+        $tab_array = array();
+        $tabid = 0;
+        $tab_array[$tabid] = array(gettext("Snort Interfaces"), false, "/snort/snort_interfaces.php");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("If Settings"), false, "/snort/snort_interfaces_edit.php?id={$id}");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("Categories"), false, "/snort/snort_rulesets.php?id={$id}");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("Rules"), false, "/snort/snort_rules.php?id={$id}");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("Servers"), false, "/snort/snort_define_servers.php?id={$id}");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("Preprocessors"), true, "/snort/snort_preprocessors.php?id={$id}");
+        $tabid++;
+        $tab_array[$tabid] = array(gettext("Barnyard2"), false, "/snort/snort_barnyard.php?id={$id}");
+        display_top_tabs($tab_array);
+?>
+</td></tr>
+	<tr>
+		<td class="tabcont">
+		<table width="100%" border="0" cellpadding="6" cellspacing="0">
+		<?php
+		/* display error code if there is no id */
+		if($id == "")
+		{
+			echo "
+				<style type=\"text/css\">
+				.noid {
+				position:absolute;
+				top:10px;
+				left:0px;
+				width:94%;
+				background:#FCE9C0;
+				background-position: 15px; 
+				border-top:2px solid #DBAC48;
+				border-bottom:2px solid #DBAC48;
+				padding: 15px 10px 85% 50px;
+				}
+				</style> 
+				<div class=\"alert\" ALIGN=CENTER><img src=\"../themes/{$g['theme']}/images/icons/icon_alert.gif\"/><strong>You can not edit options without an interface ID.</CENTER></div>\n";
+
+		}
+		?>
+			<tr>
+				<td width="22%" valign="top">&nbsp;</td>
+				<td width="78%"><span class="vexpl"><span class="red"><strong>Note:
+				</strong></span><br>
+				Rules may be dependent on preprocessors!<br>
+				Defaults will be used when there is no user input.<br></td>
+			</tr>
+			<tr>
+				<td colspan="2" valign="top" class="listtopic">Performance
+				Statistics</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable</td>
+				<td width="78%" class="vtable"><input name="perform_stat"
+					type="checkbox" value="on"
+					<?php if ($pconfig['perform_stat']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"> Performance Statistics for this
+				interface.</td>
+			</tr>
+			<tr>
+				<td colspan="2" valign="top" class="listtopic">HTTP Inspect Settings</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable</td>
+				<td width="78%" class="vtable"><input name="http_inspect"
+					type="checkbox" value="on"
+					<?php if ($pconfig['http_inspect']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"> Use HTTP Inspect to
+				Normalize/Decode and detect HTTP traffic and protocol anomalies.</td>
+			</tr>
+			<tr>
+				<td valign="top" class="vncell2">HTTP server flow depth</td>
+				<td class="vtable">
+				<table cellpadding="0" cellspacing="0">
+					<tr>
+						<td><input name="flow_depth" type="text" class="formfld"
+							id="flow_depth" size="5"
+							value="<?=htmlspecialchars($pconfig['flow_depth']);?>"> <strong>-1</strong>
+						to <strong>1460</strong> (<strong>-1</strong> disables HTTP
+						inspect, <strong>0</strong> enables all HTTP inspect)</td>
+					</tr>
+				</table>
+				Amount of HTTP server response payload to inspect. Snort's
+				performance may increase by adjusting this value.<br>
+				Setting this value too low may cause false negatives. Values above 0
+				are specified in bytes. Default value is <strong>0</strong><br>
+				</td>
+			</tr>
+			<tr>
+				<td colspan="2" valign="top" class="listtopic">Stream5 Settings</td>
+			</tr>
+			<tr>
+				<td valign="top" class="vncell2">Max Queued Bytes</td>
+				<td class="vtable">
+				<table cellpadding="0" cellspacing="0">
+					<tr>
+						<td><input name="max_queued_bytes" type="text" class="formfld"
+							id="max_queued_bytes" size="5"
+							value="<?=htmlspecialchars($pconfig['max_queued_bytes']);?>">
+						Minimum is <strong>1024</strong>, Maximum is <strong>1073741824</strong>
+						( default value is <strong>1048576</strong>, <strong>0</strong>
+						means Maximum )</td>
+					</tr>
+				</table>
+				The number of bytes to be queued for reassembly for TCP sessions in
+				memory. Default value is <strong>1048576</strong><br>
+				</td>
+			</tr>
+			<tr>
+				<td valign="top" class="vncell2">Max Queued Segs</td>
+				<td class="vtable">
+				<table cellpadding="0" cellspacing="0">
+					<tr>
+						<td><input name="max_queued_segs" type="text" class="formfld"
+							id="max_queued_segs" size="5"
+							value="<?=htmlspecialchars($pconfig['max_queued_segs']);?>">
+						Minimum is <strong>2</strong>, Maximum is <strong>1073741824</strong>
+						( default value is <strong>2621</strong>, <strong>0</strong> means
+						Maximum )</td>
+					</tr>
+				</table>
+				The number of segments to be queued for reassembly for TCP sessions
+				in memory. Default value is <strong>2621</strong><br>
+				</td>
+			</tr>
+			<tr>
+				<td colspan="2" valign="top" class="listtopic">General Preprocessor
+				Settings</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				RPC Decode and Back Orifice detector</td>
+				<td width="78%" class="vtable"><input name="other_preprocs"
+					type="checkbox" value="on"
+					<?php if ($pconfig['other_preprocs']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				Normalize/Decode RPC traffic and detects Back Orifice traffic on the
+				network.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				FTP and Telnet Normalizer</td>
+				<td width="78%" class="vtable"><input name="ftp_preprocessor"
+					type="checkbox" value="on"
+					<?php if ($pconfig['ftp_preprocessor']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				Normalize/Decode FTP and Telnet traffic and protocol anomalies.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				SMTP Normalizer</td>
+				<td width="78%" class="vtable"><input name="smtp_preprocessor"
+					type="checkbox" value="on"
+					<?php if ($pconfig['smtp_preprocessor']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				Normalize/Decode SMTP protocol for enforcement and buffer overflows.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				Portscan Detection</td>
+				<td width="78%" class="vtable"><input name="sf_portscan"
+					type="checkbox" value="on"
+					<?php if ($pconfig['sf_portscan']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				Detects various types of portscans and portsweeps.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				DCE/RPC2 Detection</td>
+				<td width="78%" class="vtable"><input name="dce_rpc_2"
+					type="checkbox" value="on"
+					<?php if ($pconfig['dce_rpc_2']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				The DCE/RPC preprocessor detects and decodes SMB and DCE/RPC
+				traffic.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Enable <br>
+				DNS Detection</td>
+				<td width="78%" class="vtable"><input name="dns_preprocessor"
+					type="checkbox" value="on"
+					<?php if ($pconfig['dns_preprocessor']=="on") echo "checked"; ?>
+					onClick="enable_change(false)"><br>
+				The DNS preprocessor decodes DNS Response traffic and detects some
+				vulnerabilities.</td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top" class="vncell2">Define SSL_IGNORE</td>
+				<td width="78%" class="vtable"><input name="def_ssl_ports_ignore"
+					type="text" class="formfld" id="def_ssl_ports_ignore" size="40"
+					value="<?=htmlspecialchars($pconfig['def_ssl_ports_ignore']);?>"> <br>
+				<span class="vexpl"> Encrypted traffic should be ignored by Snort
+				for both performance reasons and to reduce false positives.<br>
+				Default: "443 465 563 636 989 990 992 993 994 995".</span> <strong>Please
+				use spaces and not commas.</strong></td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top">&nbsp;</td>
+				<td width="78%">
+					<input name="Submit" type="submit" class="formbtn" value="Save">
+					<input name="id" type="hidden" value="<?=$id;?>"></td>
+			</tr>
+			<tr>
+				<td width="22%" valign="top">&nbsp;</td>
+				<td width="78%"><span class="vexpl"><span class="red"><strong>Note:</strong></span>
+				<br>
+				Please save your settings before you click Start. </td>
+			</tr>
+		</table>
+
+</table>
+</form>
+
+</div>
+
+					<?php include("fend.inc"); ?>
+</body>
+</html>