Snort 2.9.5.5 pkg v3.0.0 update

1 files changed, 327 insertions, 0 deletions

diff --git a/config/snort/snort_import_aliases.php b/config/snort/snort_import_aliases.php
new file mode 100644
index 00000000..d9f751cd
--- /dev/null
+++ b/config/snort/snort_import_aliases.php
@@ -0,0 +1,327 @@
+<?php
+/* $Id$ */
+/*
+	snort_import_aliases.php
+	Copyright (C) 2004 Scott Ullrich
+	All rights reserved.
+
+	originially part of m0n0wall (http://m0n0.ch/wall)
+	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+	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/snort/snort.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($eng)) {
+ 	header("Location: /snort/snort_interfaces.php");
+	exit;
+}
+
+// Used to track if any selectable Aliases are found
+$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']['snortglobal']['rule']))
+	$config['installedpackages']['snortglobal']['rule'] = array();
+
+// The $eng variable points to the specific Snort config section
+// engine we are importing values into.  Initialize the config.xml
+// array if necessary.
+if (!is_array($config['installedpackages']['snortglobal']['rule'][$id][$eng]['item']))
+	$config['installedpackages']['snortglobal']['rule'][$id][$eng]['item'] = array();
+
+// Initialize a pointer to the Snort config section engine we are
+// importing values into.
+$a_nat = &$config['installedpackages']['snortglobal']['rule'][$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 anchor string based on the Snort config section
+// engine we were called with.  This lets us return to the page and section
+// we were called from.  Also set the flag for those engines which accept
+// multiple IP addresses for the "bind_to" parameter.
+switch ($eng) {
+	case "frag3_engine":
+		$anchor = "#frag3_row";
+		$multi_ip = true;
+		$title = "Frag3 Engine";
+		break;
+	case "http_inspect_engine":
+		$anchor = "#httpinspect_row";
+		$multi_ip = true;
+		$title = "HTTP_Inspect Engine";
+		break;
+	case "stream5_tcp_engine":
+		$anchor = "#stream5_row";
+		$multi_ip = true;
+		$title = "Stream5 TCP Engine";
+		break;
+	case "ftp_server_engine":
+		$anchor = "#ftp_telnet_row";
+		$multi_ip = false;
+		$title = "FTP Server Engine";
+		break;
+	case "ftp_client_engine":
+		$anchor = "#ftp_telnet_row";
+		$multi_ip = false;
+		$title = "FTP Client Engine";
+		break;
+	default:
+		$anchor = "";
+}
+
+if ($_POST['cancel']) {
+	header("Location: /snort/snort_preprocessors.php?id={$id}{$anchor}");
+	exit;
+}
+
+if ($_POST['save']) {
+
+	// Define default engine configurations for each of the supported engines.
+
+	$def_frag3 = array( "name" => "", "bind_to" => "", "policy" => "bsd", 
+		  	    "timeout" => 60, "min_ttl" => 1, "detect_anomalies" => "on", 
+			    "overlap_limit" => 0, "min_frag_len" => 0 );
+
+	$def_ftp_server = array( "name" => "", "bind_to" => "", "ports" => "default", 
+		   		 "telnet_cmds" => "no", "ignore_telnet_erase_cmds" => "yes", 
+				 "ignore_data_chan" => "no", "def_max_param_len" => 100 );
+
+	$def_ftp_client = array( "name" => "", "bind_to" => "", "max_resp_len" => 256, 
+			         "telnet_cmds" => "no", "ignore_telnet_erase_cmds" => "yes", 
+			         "bounce" => "yes", "bounce_to_net" => "", "bounce_to_port" => "" );
+
+	$def_http_inspect = array( "name" => "", "bind_to" => "", "server_profile" => "all", "enable_xff" => "off", 
+				   "log_uri" => "off", "log_hostname" => "off", "server_flow_depth" => 65535, "enable_cookie" => "on", 
+				   "client_flow_depth" => 1460, "extended_response_inspection" => "on", "no_alerts" => "off", 
+				   "unlimited_decompress" => "on", "inspect_gzip" => "on", "normalize_cookies" =>"on", "normalize_headers" => "on", 
+				   "normalize_utf" => "on", "normalize_javascript" => "on", "allow_proxy_use" => "off", "inspect_uri_only" => "off", 
+				   "max_javascript_whitespaces" => 200, "post_depth" => -1, "max_headers" => 0, "max_spaces" => 0, 
+				   "max_header_length" => 0, "ports" => "default" );
+
+	$def_stream5 = array(	"name" => "", "bind_to" => "", "policy" => "bsd", "timeout" => 30, 
+				"max_queued_bytes" => 1048576, "detect_anomalies" => "off", "overlap_limit" => 0, 
+				"max_queued_segs" => 2621, "require_3whs" => "off", "startup_3whs_timeout" => 0, 
+				"no_reassemble_async" => "off", "dont_store_lg_pkts" => "off", "max_window" => 0, 
+				"use_static_footprint_sizes" => "off", "check_session_hijacking" => "off", "ports_client" => "default", 
+				"ports_both" => "default", "ports_server" => "none" );
+
+	// Figure out which engine type we are importing and set up default engine array
+	$engine = array();
+	switch ($eng) {
+		case "frag3_engine":
+			$engine = $def_frag3;
+			break;
+		case "http_inspect_engine":
+			$engine = $def_http_inspect;
+			break;
+		case "stream5_tcp_engine":
+			$engine = $def_stream5;
+			break;
+		case "ftp_server_engine":
+			$engine = $def_ftp_server;
+			break;
+		case "ftp_client_engine":
+			$engine = $def_ftp_client;
+			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[] = $tmp;
+			}
+		}
+
+		// Now write the new engine array to conf and return
+		write_config();
+
+		header("Location: /snort/snort_preprocessors.php?id={$id}{$anchor}");
+		exit;
+	}
+}
+
+$pgtitle = gettext("Snort: Import Host/Network Alias for {$title}");
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<form action="snort_import_aliases.php" method="post">
+<input type="hidden" name="id" value="<?=$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[$alias['name']]))
+				continue;
+			      if (!$multi_ip && !snort_is_single_addr_alias($alias['name'])) {
+				$textss = "<span class=\"gray\">";
+				$textse = "</span>";
+				$disable = true;
+			        $tooltip = gettext("Aliases resolving to multiple addresses cannot be used with the '{$eng}'.");
+			      }
+			      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 Snort preprocessor 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 Snort 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>