Merge pull request #552 from bmeeks8/master

Snort 2.9.5.5 pkg v3.0.0 update

Merge this for now.
Some issues needs to be fixed in between and alias handling is a bit to be rechecked throughly.

1 files changed, 751 insertions, 0 deletions

diff --git a/config/snort/snort_httpinspect_engine.php b/config/snort/snort_httpinspect_engine.php
new file mode 100644
index 00000000..58488f2d
--- /dev/null
+++ b/config/snort/snort_httpinspect_engine.php
@@ -0,0 +1,751 @@
+<?php
+/*
+ * snort_httpinspect_engine.php
+ * Copyright (C) 2004 Scott Ullrich
+ * Copyright (C) 2011-2012 Ermal Luci
+ * All rights reserved.
+ *
+ * originially part of m0n0wall (http://m0n0.ch/wall)
+ * Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
+ * All rights reserved.
+ *
+ * modified for the pfsense snort package
+ * Copyright (C) 2009-2010 Robert Zelaya.
+ * 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.inc");
+
+global $g;
+
+$snortdir = SNORTDIR;
+
+$id = $_GET['id'];
+$eng_id = $_GET['eng_id'];
+if (isset($_POST['id']))
+	$id = $_POST['id'];
+if (isset($_POST['eng_id']))
+	$eng_id = $_POST['eng_id'];
+
+if (is_null($id)) {
+	// Clear and close out any session variable we created
+	session_start();
+	unset($_SESSION['http_inspect_import']);
+	session_write_close();
+ 	header("Location: /snort/snort_interfaces.php");
+	exit;
+}
+
+if (!is_array($config['installedpackages']['snortglobal']['rule']))
+	$config['installedpackages']['snortglobal']['rule'] = array();
+if (!is_array($config['installedpackages']['snortglobal']['rule'][$id]['http_inspect_engine']['item']))
+	$config['installedpackages']['snortglobal']['rule'][$id]['http_inspect_engine']['item'] = array();
+$a_nat = &$config['installedpackages']['snortglobal']['rule'][$id]['http_inspect_engine']['item'];
+
+$pconfig = array();
+if (empty($a_nat[$eng_id])) {
+	$def = array( "name" => "engine_{$eng_id}", "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" );
+	// See if this is initial entry and set to "default" if true
+	if ($eng_id < 1) {
+		$def['name'] = "default";
+		$def['bind_to'] = "all";
+	}
+	$pconfig = $def;
+}
+else {
+	$pconfig = $a_nat[$eng_id];
+
+	// Check for any empty values and set sensible defaults
+	if (empty($pconfig['ports']))
+		$pconfig['ports'] = "default";
+	if (empty($pconfig['server_profile']))
+		$pconfig['server_profile'] = "all";
+	if (empty($pconfig['enable_xff']))
+		$pconfig['enable_xff'] = "off";
+	if (empty($pconfig['log_uri']))
+		$pconfig['log_uri'] = "off";
+	if (empty($pconfig['log_hostname']))
+		$pconfig['log_hostname'] = "off";
+	if (empty($pconfig['server_flow_depth']) && $pconfig['server_flow_depth'] <> 0)
+		$pconfig['server_flow_depth'] = 65535;
+	if (empty($pconfig['enable_cookie']))
+		$pconfig['enable_cookie'] = "on";
+	if (empty($pconfig['client_flow_depth']) && $pconfig['client_flow_depth'] <> 0)
+		$pconfig['client_flow_depth'] = 1460;
+	if (empty($pconfig['extended_response_inspection']))
+		$pconfig['extended_response_inspection'] = "on";
+	if (empty($pconfig['no_alerts']))
+		$pconfig['no_alerts'] = "off";
+	if (empty($pconfig['unlimited_decompress']))
+		$pconfig['unlimited_decompress'] = "on";
+	if (empty($pconfig['inspect_gzip']))
+		$pconfig['inspect_gzip'] = "on";
+	if (empty($pconfig['normalize_cookies']))
+		$pconfig['normalize_cookies'] = "on";
+	if (empty($pconfig['normalize_headers']))
+		$pconfig['normalize_headers'] = "on";
+	if (empty($pconfig['normalize_utf']))
+		$pconfig['normalize_utf'] = "on";
+	if (empty($pconfig['normalize_javascript']))
+		$pconfig['normalize_javascript'] = "on";
+	if (empty($pconfig['allow_proxy_use']))
+		$pconfig['allow_proxy_use'] = "off";
+	if (empty($pconfig['inspect_uri_only']))
+		$pconfig['inspect_uri_only'] = "off";
+	if (empty($pconfig['max_javascript_whitespaces']) && $pconfig['max_javascript_whitespaces'] <> 0)
+		$pconfig['max_javascript_whitespaces'] = 200;
+	if (empty($pconfig['post_depth']) && $pconfig['post_depth'] <> 0)
+		$pconfig['post_depth'] = -1;
+	if (empty($pconfig['max_headers']))
+		$pconfig['max_headers'] = 0;
+	if (empty($pconfig['max_spaces']))
+		$pconfig['max_spaces'] = 0;
+	if (empty($pconfig['max_header_length']))
+		$pconfig['max_header_length'] = 0;
+}
+
+if ($_POST['Cancel']) {
+	// Clear and close out any session variable we created
+	session_start();
+	unset($_SESSION['http_inspect_import']);
+	session_write_close();
+	header("Location: /snort/snort_preprocessors.php?id={$id}#httpinspect_row");
+	exit;
+}
+
+// Check for returned "selected alias" if action is import
+if ($_GET['act'] == "import") {
+	session_start();
+	if (($_GET['varname'] == "bind_to" || $_GET['varname'] == "ports") 
+	     && !empty($_GET['varvalue'])) {
+		$pconfig[$_GET['varname']] = $_GET['varvalue'];
+			$_SESSION['http_inspect_import'] = array();
+
+		$_SESSION['http_inspect_import'][$_GET['varname']] = $_GET['varvalue'];
+		if (isset($_SESSION['http_inspect_import']['bind_to']))
+			$pconfig['bind_to'] = $_SESSION['http_inspect_import']['bind_to'];
+		if (isset($_SESSION['http_inspect_import']['ports']))
+			$pconfig['ports'] = $_SESSION['http_inspect_import']['ports'];
+	}
+	// If "varvalue" is empty, user likely hit CANCEL in Select Dialog,
+	// so restore any saved values.
+	elseif (empty($_GET['varvalue'])) {
+		if (isset($_SESSION['http_inspect_import']['bind_to']))
+			$pconfig['bind_to'] = $_SESSION['http_inspect_import']['bind_to'];
+		if (isset($_SESSION['http_inspect_import']['ports']))
+			$pconfig['ports'] = $_SESSION['http_inspect_import']['ports'];
+	}
+	else {
+		unset($_SESSION['http_inspect_import']);
+		session_write_close();
+	}
+}
+
+if ($_POST['Submit']) {
+
+	// Clear and close out any session variable we created
+	session_start();
+	unset($_SESSION['http_inspect_import']);
+	session_write_close();
+
+	// Grab all the POST values and save in new temp array
+	$engine = array();
+	if ($_POST['httpinspect_name']) { $engine['name'] = trim($_POST['httpinspect_name']); } else { $engine['name'] = "default"; }
+	if ($_POST['httpinspect_bind_to']) {
+		if (is_alias($_POST['httpinspect_bind_to']))
+			$engine['bind_to'] = $_POST['httpinspect_bind_to'];
+		elseif (strtolower(trim($_POST['httpinspect_bind_to'])) == "all")
+			$engine['bind_to'] = "all";
+		else
+			$input_errors[] = gettext("You must provide a valid Alias or the reserved keyword 'all' for the 'Bind-To IP Address' value.");
+	}
+	else {
+		$input_errors[] = gettext("The 'Bind-To IP Address' value cannot be blank.  Provide a valid Alias or the reserved keyword 'all'.");
+	}
+	if ($_POST['httpinspect_ports']) { $engine['ports'] = trim($_POST['httpinspect_ports']); } else { $engine['ports'] = "default"; }
+
+	// Validate the text input fields before saving
+	if (!empty($_POST['httpinspect_server_flow_depth']) || $_POST['httpinspect_server_flow_depth'] == 0) {
+		$engine['server_flow_depth'] = $_POST['httpinspect_server_flow_depth'];
+		if (!is_numeric($_POST['httpinspect_server_flow_depth']) || $_POST['httpinspect_server_flow_depth'] < -1 || $_POST['httpinspect_server_flow_depth'] > 65535)
+			$input_errors[] = gettext("The value for Server_Flow_Depth must be numeric and between -1 and 65535.");
+	}
+	else
+		$engine['server_flow_depth'] = 65535;
+
+	if (!empty($_POST['httpinspect_client_flow_depth']) || $_POST['httpinspect_client_flow_depth'] == 0) {
+		$engine['client_flow_depth'] = $_POST['httpinspect_client_flow_depth'];
+		if (!is_numeric($_POST['httpinspect_client_flow_depth']) || $_POST['httpinspect_client_flow_depth'] < -1 || $_POST['httpinspect_client_flow_depth'] > 1460)
+			$input_errors[] = gettext("The value for Client_Flow_Depth must be between -1 and 1460.");
+	}
+	else
+		$engine['client_flow_depth'] = 1460;
+
+	if (!empty($_POST['httpinspect_max_javascript_whitespaces']) || $_POST['httpinspect_max_javascript_whitespaces'] == 0) {
+		$engine['max_javascript_whitespaces'] = $_POST['httpinspect_max_javascript_whitespaces'];
+		if (!is_numeric($_POST['httpinspect_max_javascript_whitespaces']) || $_POST['httpinspect_max_javascript_whitespaces'] < 0 || $_POST['httpinspect_max_javascript_whitespaces'] > 65535)
+			$input_errors[] = gettext("The value for Max_Javascript_Whitespaces must be between 0 and 65535.");
+	}
+	else
+		$engine['max_javascript_whitespaces'] = 200;
+
+	if (!empty($_POST['httpinspect_post_depth']) || $_POST['httpinspect_post_depth'] == 0) {
+		$engine['post_depth'] = $_POST['httpinspect_post_depth'];
+		if (!is_numeric($_POST['httpinspect_post_depth']) || $_POST['httpinspect_post_depth'] < -1 || $_POST['httpinspect_post_depth'] > 65495)
+			$input_errors[] = gettext("The value for Post_Depth must be between -1 and 65495.");
+	}
+	else
+		$engine['post_depth'] = -1;
+
+	if (!empty($_POST['httpinspect_max_headers']) || $_POST['httpinspect_max_headers'] == 0) {
+		$engine['max_headers'] = $_POST['httpinspect_max_headers'];
+		if (!is_numeric($_POST['httpinspect_max_headers']) || $_POST['httpinspect_max_headers'] < 0 || $_POST['httpinspect_max_headers'] > 65535)
+			$input_errors[] = gettext("The value for Max_Headers must be between 0 and 65535.");
+	}
+	else
+		$engine['max_headers'] = 0;
+
+	if (!empty($_POST['httpinspect_max_spaces']) || $_POST['httpinspect_max_spaces'] == 0) {
+		$engine['max_spaces'] = $_POST['httpinspect_max_spaces'];
+		if (!is_numeric($_POST['httpinspect_max_spaces']) || $_POST['httpinspect_max_spaces'] < 0 || $_POST['httpinspect_max_spaces'] > 65535)
+			$input_errors[] = gettext("The value for Max_Spaces must be between 0 and 65535.");
+	}
+	else
+		$engine['max_spaces'] = 0;
+
+	if (!empty($_POST['httpinspect_max_header_length']) || $_POST['httpinspect_max_header_length'] == 0) {
+		$engine['max_header_length'] = $_POST['httpinspect_max_header_length'];
+		if (!is_numeric($_POST['httpinspect_max_header_length']) || $_POST['httpinspect_max_header_length'] < 0 || $_POST['httpinspect_max_header_length'] > 65535)
+			$input_errors[] = gettext("The value for Max_Header_Length must be between 0 and 65535.");
+	}
+	else
+		$engine['max_header_length'] = 0;
+
+	if ($_POST['httpinspect_server_profile']) { $engine['server_profile'] = $_POST['httpinspect_server_profile']; } else { $engine['server_profile'] = "all"; }
+
+	$engine['no_alerts'] = $_POST['httpinspect_no_alerts'] ? 'on' : 'off';
+	$engine['enable_xff'] = $_POST['httpinspect_enable_xff'] ? 'on' : 'off';
+	$engine['log_uri'] = $_POST['httpinspect_log_uri'] ? 'on' : 'off';
+	$engine['log_hostname'] = $_POST['httpinspect_log_hostname'] ? 'on' : 'off';
+	$engine['extended_response_inspection'] = $_POST['httpinspect_extended_response_inspection'] ? 'on' : 'off';
+	$engine['enable_cookie'] = $_POST['httpinspect_enable_cookie'] ? 'on' : 'off';
+	$engine['unlimited_decompress'] = $_POST['httpinspect_unlimited_decompress'] ? 'on' : 'off';
+	$engine['inspect_gzip'] = $_POST['httpinspect_inspect_gzip'] ? 'on' : 'off';
+	$engine['normalize_cookies'] = $_POST['httpinspect_normalize_cookies'] ? 'on' : 'off';
+	$engine['normalize_headers'] = $_POST['httpinspect_normalize_headers'] ? 'on' : 'off';
+	$engine['normalize_utf'] = $_POST['httpinspect_normalize_utf'] ? 'on' : 'off';
+	$engine['normalize_javascript'] = $_POST['httpinspect_normalize_javascript'] ? 'on' : 'off';
+	$engine['allow_proxy_use'] = $_POST['httpinspect_allow_proxy_use'] ? 'on' : 'off';
+	$engine['inspect_uri_only'] = $_POST['httpinspect_inspect_uri_only'] ? 'on' : 'off';
+
+	// Can only have one "all" Bind_To address
+	if ($engine['bind_to'] == "all" && $engine['name'] <> "default") {
+		$input_errors[] = gettext("Only one default http_inspect Engine can be bound to all addresses.");
+		$pconfig = $engine;
+	}
+
+	// if no errors, write new entry to conf
+	if (!$input_errors) {
+		if (isset($eng_id) && $a_nat[$eng_id]) {
+			$a_nat[$eng_id] = $engine;
+		}
+		else
+			$a_nat[] = $engine;
+
+		// Reorder the engine array to ensure the
+		// 'bind_to=all' entry is at the bottom
+		// if it contains more than one entry.
+		if (count($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[] = $tmp;
+			}
+		}
+
+		// Now write the new engine array to conf
+		write_config();
+
+		header("Location: /snort/snort_preprocessors.php?id={$id}#httpinspect_row");
+		exit;
+	}
+}
+
+$if_friendly = snort_get_friendly_interface($config['installedpackages']['snortglobal']['rule'][$id]['interface']);
+$pgtitle = gettext("Snort: {$if_friendly} - HTTP_Inspect Preprocessor Engine");
+include_once("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC" >
+
+<?php
+include("fbegin.inc");
+if ($input_errors) print_input_errors($input_errors);
+if ($savemsg)
+	print_info_box($savemsg);
+?>
+
+<form action="snort_httpinspect_engine.php" method="post" name="iform" id="iform">
+<input name="id" type="hidden" value="<?=$id?>">
+<input name="eng_id" type="hidden" value="<?=$eng_id?>">
+<div id="boxarea">
+<table width="100%" border="0" cellpadding="0" cellspacing="0">
+<tr>
+<td class="tabcont">
+<table width="100%" border="0" cellpadding="6" cellspacing="0">
+	<tr>
+		<td colspan="2" valign="middle" class="listtopic"><?php echo gettext("HTTP Inspection Server Configuration"); ?></td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Engine Name"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_name" type="text" class="formfld unknown" id="httpinspect_name" size="25" maxlength="25" 
+			value="<?=htmlspecialchars($pconfig['name']);?>"<?php if (htmlspecialchars($pconfig['name']) == "default") echo " readonly";?>>&nbsp;
+			<?php if (htmlspecialchars($pconfig['name']) <> "default") 
+					echo gettext("Name or description for this engine.  (Max 25 characters)");
+				else
+					echo "<span class=\"red\">" . gettext("The name for the 'default' engine is read-only.") . "</span>";?><br/>
+			<?php echo gettext("Unique name or description for this engine configuration.  Default value is ") . 
+			"<strong>" . gettext("default") . "</strong>"; ?>.<br/>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Bind-To IP Address Alias"); ?></td>
+		<td class="vtable">
+		<?php if ($pconfig['name'] <> "default") : ?>
+			<table width="95%" border="0" cellpadding="2" cellspacing="0">
+				<tr>
+					<td class="vexpl"><input name="httpinspect_bind_to" type="text" class="formfldalias" id="httpinspect_bind_to" size="32" 
+					value="<?=htmlspecialchars($pconfig['bind_to']);?>" title="<?=trim(filter_expand_alias($pconfig['bind_to']));?>" autocomplete="off">&nbsp;
+					<?php echo gettext("IP List to bind this engine to. (Cannot be blank)"); ?></td>
+					<td align="right"><input type="button" class="formbtns" value="Aliases" onclick="parent.location='snort_select_alias.php?id=<?=$id;?>&eng_id=<?=$eng_id;?>&type=host|network&varname=bind_to&act=import&multi_ip=yes'" 
+					title="<?php echo gettext("Select an existing IP alias");?>"/></td>
+				</tr>
+				<tr>
+					<td class="vexpl" colspan="2"><?php echo gettext("This engine will only run for packets with destination addresses contained within this IP List.");?></td>
+				</tr>
+			</table><br/>
+			<span class="red"><strong><?php echo gettext("Note: ") . "</strong></span>" . gettext("Supplied value must be a pre-configured Alias or the keyword 'all'.");?>
+		<?php else : ?>
+			<input name="httpinspect_bind_to" type="text" class="formfldalias" id="httpinspect_bind_to" size="32" 
+			value="<?=htmlspecialchars($pconfig['bind_to']);?>" autocomplete="off" readonly>&nbsp;
+			<?php echo "<span class=\"red\">" . gettext("IP List for the default engine is read-only and must be 'all'.") . "</span>";?><br/>
+			<?php echo gettext("The default engine is required and only runs for packets with destination addresses not matching other engine IP Lists.");?><br/>
+		<?php endif ?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Ports"); ?></td>
+		<td class="vtable">
+			<table width="95%" border="0" cellpadding="2" cellspacing="0">
+				<tr>
+					<td class="vexpl"><input name="httpinspect_ports" type="text" class="formfldalias" id="httpinspect_ports" size="25" 
+					value="<?=htmlspecialchars($pconfig['ports']);?>" title="<?=trim(filter_expand_alias($pconfig['ports']));?>">
+					<?php echo gettext("Specifiy which ports to check for HTTP data.");?></td>
+					<td align="right"><input type="button" class="formbtns" value="Aliases" onclick="parent.location='snort_select_alias.php?id=<?=$id;?>&eng_id=<?=$eng_id;?>&type=port&varname=ports&act=import'" 
+					title="<?php echo gettext("Select an existing port alias");?>"/></td>
+				</tr>
+				<tr>
+					<td class="vexpl" colspan="2"><?php echo gettext("Default value is '") . "<strong>" . gettext("'default'.  ") . "</strong>";?>
+					<?php echo gettext("Using 'default' will include the HTTP Ports defined on the ") . "<a href='snort_define_servers.php?id={$id}' title=\"" . 
+					gettext("Go to {$if_friendly} Variables tab to define custom port variables") . "\">" . gettext("VARIABLES") . "</a>" . 
+					gettext(" tab.  Specific ports for this server can be specified here using a pre-defined Alias.");?></td>
+				</tr>
+			</table><br/>
+			<span class="red"><strong><?php echo gettext("Note: ") . "</strong></span>" . gettext("Supplied value must be a pre-configured Alias or the keyword 'default'.");?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Server Profile");?> </td>
+		<td width="78%" class="vtable">
+			<select name="httpinspect_server_profile" class="formselect" id="httpinspect_server_profile">
+			<?php
+			$profile = array('All', 'Apache', 'IIS', 'IIS4_0', 'IIS5_0');
+			foreach ($profile as $val): ?>
+			<option value="<?=strtolower($val);?>"
+			<?php if (strtolower($val) == $pconfig['server_profile']) echo "selected"; ?>>
+				<?=gettext($val);?></option>
+				<?php endforeach;?>
+			</select>&nbsp;&nbsp;<?php echo gettext("Choose the profile type of the protected web server.  The default is ") . 
+			"<strong>" . gettext("All") . "</strong>";?><br/>
+			<?php echo gettext("IIS_4.0 and IIS_5.0 are identical to IIS except they alert on the ") . 
+			gettext("double decoding vulnerability present in those versions.");?><br/>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("No Alerts");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_no_alerts" 
+			type="checkbox" value="on" id="httpinspect_no_alerts"  
+			<?php if ($pconfig['no_alerts']=="on") echo "checked";?>>
+			<?php echo gettext("Disable Alerts from this engine configuration. Default is ");?>
+ 			<strong><?php echo gettext("Not Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Allow Proxy Use");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_allow_proxy_use" 
+			type="checkbox" value="on" id="httpinspect_allow_proxy_use" 
+			<?php if ($pconfig['allow_proxy_use']=="on") echo "checked";?>>
+			<?php echo gettext("Allow proxy use on this server. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Not Checked");?></strong>.<br/><br/>
+			<span class="red"><strong><?php echo gettext("Note: ") . "</strong></span>" . 
+			gettext("This prevents proxy alerts for this server.  The global option Proxy_Alert must also be " . 
+			"enabled, otherwise this setting does nothing.");?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("XFF/True-Client-IP");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_enable_xff" 
+			type="checkbox" value="on" id="httpinspect_enable_xff"  
+			<?php if ($pconfig['enable_xff']=="on") echo "checked";?>>
+			<?php echo gettext("Log original client IP present in X-Forwarded-For or True-Client-IP " .
+				"HTTP headers.  Default is ");?>
+			<strong><?php echo gettext("Not Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("URI Logging"); ?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_log_uri" 
+			type="checkbox" value="on" id="hhttpinspect_log_uri"  
+			<?php if ($pconfig['log_uri']=="on") echo "checked"; ?>>
+			<?php echo gettext("Parse URI data from the HTTP request and log it with other session data." .
+				"  Default is "); ?>
+			<strong><?php echo gettext("Not Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Hostname Logging");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_log_hostname" 
+			type="checkbox" value="on" id="httpinspect_log_hostname"  
+			<?php if ($pconfig['log_hostname']=="on") echo "checked";?>>
+			<?php echo gettext("Parse Hostname data from the HTTP request and log it with other session data." .
+				"  Default is ");?>
+			<strong><?php echo gettext("Not Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Cookie Extraction/Inspection");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_enable_cookie" 
+			type="checkbox" value="on" id="httpinspect_enable_cookie" 
+			<?php if ($pconfig['enable_cookie']=="on") echo "checked";?>>
+			<?php echo gettext("Enable HTTP cookie extraction and inspection. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Inspect URI Only");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_inspect_uri_only" 
+			type="checkbox" value="on" id="httpinspect_inspect_uri_only" 
+			<?php if ($pconfig['inspect_uri_only']=="on") echo "checked";?>>
+			<?php echo gettext("Inspect only URI portion of HTTP requests. This is a performance enhancement. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Not Checked");?></strong>.<br/><br/>
+			<span class="red"><strong><?php echo gettext("Note: ") . "</strong></span>" . 
+			gettext("If this option is used without any uricontent rules, then no inspection will take place. " . 
+			"The URI is only inspected with uricontent rules, and if there are none available, then there is nothing to inspect.");?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Extended Response Inspection");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_extended_response_inspection" 
+			type="checkbox" value="on" id="httpinspect_extended_response_inspection" onclick="extended_response_enable_change();" 
+			<?php if ($pconfig['extended_response_inspection']=="on") echo "checked";?>>
+			<?php echo gettext("Enable extended response inspection to thoroughly inspect the HTTP response. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr id="httpinspect_normalizejavascript_row">
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Normalize Javascript");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_normalize_javascript" 
+			type="checkbox" value="on" id="httpinspect_normalize_javascript" onclick="normalize_javascript_enable_change();" 
+			<?php if ($pconfig['normalize_javascript']=="on") echo "checked";?>>
+			<?php echo gettext("Enable Javascript normalization in HTTP response body. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr id="httpinspect_maxjavascriptwhitespaces_row">
+		<td valign="top" class="vncell"><?php echo gettext("Maximum Javascript Whitespaces"); ?></td>
+		<td class="vtable">
+			<table width="95%" border="0" cellpadding="2" cellspacing="0">
+				<tr>
+					<td valign="top"><input name="httpinspect_max_javascript_whitespaces" type="text" class="formfld unknown"
+					id="httpinspect_max_javascript_whitespaces" size="6" 
+					value="<?=htmlspecialchars($pconfig['max_javascript_whitespaces']);?>"></td>
+					<td class="vexpl" valign="top"><?php echo gettext("Maximum consecutive whitespaces allowed in Javascript obfuscated data.  ");?>
+					<?php echo gettext("Minimum is ") . "<strong>" . gettext("1") . "</strong>" . gettext(" and maximum is ") . 
+					"<strong>" . gettext("65535") . "</strong>" . gettext("  (") . "<strong>" . gettext("0") . 
+					"</strong>" . gettext(" disables this alert). "). gettext("The default value is ") . 
+					"<strong>" . gettext("200") . "</strong>."?></td>
+				</tr>
+			</table>
+		</td>
+	</tr>
+	<tr id="httpinspect_inspectgzip_row">
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Inspect gzip");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_inspect_gzip" 
+			type="checkbox" value="on" id="httpinspect_inspect_gzip" onclick="httpinspect_inspectgzip_enable_change();" 
+			<?php if ($pconfig['inspect_gzip']=="on") echo "checked";?>>
+			<?php echo gettext("Uncompress and inspect compressed data in HTTP response. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr id="httpinspect_unlimiteddecompress_row">
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Unlimited Decompress");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_unlimited_decompress" 
+			type="checkbox" value="on" id="httpinspect_unlimited_decompress" 
+			<?php if ($pconfig['unlimited_decompress']=="on") echo "checked";?>>
+			<?php echo gettext("Decompress unlimited gzip data (across multiple packets). Default is ");?> 
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Normalize Cookies");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_normalize_cookies" 
+			type="checkbox" value="on" id="httpinspect_normalize_cookies" 
+			<?php if ($pconfig['normalize_cookies']=="on") echo "checked";?>>
+			<?php echo gettext("Normalize HTTP cookie fields. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Normalize UTF");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_normalize_utf" 
+			type="checkbox" value="on" id="httpinspect_normalize_utf" 
+			<?php if ($pconfig['normalize_utf']=="on") echo "checked";?>>
+			<?php echo gettext("Normalize HTTP response body character sets to 8-bit encoding. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="top" class="vncell"><?php echo gettext("Normalize Headers");?></td>
+		<td width="78%" class="vtable"><input name="httpinspect_normalize_headers" 
+			type="checkbox" value="on" id="httpinspect_normalize_headers" 
+			<?php if ($pconfig['normalize_headers']=="on") echo "checked";?>>
+			<?php echo gettext("Normalize HTTP Header fields. " .
+				"Default is ");?>
+			<strong><?php echo gettext("Checked");?></strong>.</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Server Flow Depth"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_server_flow_depth" type="text" class="formfld unknown" 
+			id="httpinspect_server_flow_depth" size="6" 
+			value="<?=htmlspecialchars($pconfig['server_flow_depth']);?>">&nbsp;<strong><?php echo gettext("-1") . 
+			"</strong>" . gettext(" to ") . "<strong>" . gettext("65535") . "</strong> " . gettext("(") . "<strong>" . 
+			gettext("-1") . "</strong>" . gettext(" disables HTTP inspect, ") . "<strong>" . gettext("0") . "</strong>" . 
+			gettext(" enables all HTTP inspect).");?><br/><br/>
+			<?php echo gettext("Amount of HTTP server response payload to inspect. Snort's performance " .
+			"may increase by adjusting this value. Setting this value too low may cause false negatives. ") . 
+			gettext("Values above 0 are specified in bytes.  Recommended setting is maximum (65535). " . 
+			"Default value is ") . "<strong>" . gettext("65535") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Client Flow Depth"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_client_flow_depth" type="text" class="formfld unknown" 
+			id="httpinspect_client_flow_depth" size="6" 
+			value="<?=htmlspecialchars($pconfig['client_flow_depth']);?>">&nbsp;<strong><?php echo gettext("-1") . "</strong>" . 
+			gettext(" to ") . "<strong>" . gettext("1460") . "</strong>" . gettext(" (") . "<strong>" . gettext("-1") . 
+			"</strong>" . gettext(" disables HTTP inspect, ") . "<strong>" . gettext("0") . "</strong>" . 
+			gettext(" enables all HTTP inspect).");?><br/><br/>
+			<?php echo gettext("Amount of raw HTTP client request payload to inspect. Snort's " .
+			"performance may increase by adjusting this value. Setting this value too low may cause false negatives. ");?>
+			<?php echo gettext("Values above 0 are specified in bytes.  Recommended setting is maximum (1460). " . 
+			"Default value is ") . "<strong>" . gettext("1460") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Post Depth"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_post_depth" type="text" class="formfld unknown" 
+			id="httpinspect_post_depth" size="6" 
+			value="<?=htmlspecialchars($pconfig['post_depth']);?>">&nbsp;<strong><?php echo gettext("-1") . "</strong>" . 
+			gettext(" to ") . "<strong>" . gettext("65495") . "</strong>" . gettext(" (") . "<strong>" . gettext("-1") . 
+			"</strong>" . gettext(" ignores all post data, ") . "<strong>" . gettext("0") . "</strong>" . 
+			gettext(" inspects all post data).");?><br/><br/>
+			<?php echo gettext("Amount of data to inspect in client post message. Snort's performance may " .
+			"increase by adjusting this value. Values above 0 are specified in bytes.  ") . 
+			gettext("Default value is ") . "<strong>" . gettext("-1") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Max Headers"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_max_headers" type="text" class="formfld unknown" 
+			id="httpinspect_max_headers" size="6" 
+			value="<?=htmlspecialchars($pconfig['max_headers']);?>">&nbsp;<strong><?php echo gettext("1") . "</strong>" . 
+			gettext(" to ") . "<strong>" . gettext("1024") . "</strong>" . gettext(" (") . "<strong>" . gettext("0") . 
+			"</strong>" . gettext(" disables the alert).");?><br/><br/>
+			<?php echo gettext("Sets the maximum number of HTTP client request header fields allowed.  Requests that " .
+			"contain more HTTP headers than this value will cause a \"Max Header\" alert. ") . 
+			gettext("Default value is ") . "<strong>" . gettext("0") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Max Header Length"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_max_header_length" type="text" class="formfld unknown" 
+			id="httpinspect_max_header_length" size="6" 
+			value="<?=htmlspecialchars($pconfig['max_header_length']);?>">&nbsp;<strong><?php echo gettext("1") . "</strong>" . 
+			gettext(" to ") . "<strong>" . gettext("65535") . "</strong>" . gettext(" (") . "<strong>" . gettext("0") . 
+			"</strong>" . gettext(" disables the alert).");?><br/><br/>
+			<?php echo gettext("This sets the maximum length allowed for an HTTP client request header field. " .
+			"Requests that exceed this limit well cause a \"Long Header\" alert. ") .  
+			gettext("Default value is ") . "<strong>" . gettext("0") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td valign="top" class="vncell"><?php echo gettext("Max Spaces"); ?></td>
+		<td class="vtable">
+			<input name="httpinspect_max_spaces" type="text" class="formfld unknown" 
+			id="httpinspect_max_spaces" size="6" 
+			value="<?=htmlspecialchars($pconfig['max_spaces']);?>">&nbsp;<strong><?php echo gettext("1") . "</strong>" . 
+			gettext(" to ") . "<strong>" . gettext("65535") . "</strong>" . gettext(" (") . "<strong>" . gettext("0") . 
+			"</strong>" . gettext(" disables the alert).");?><br/><br/>
+			<?php echo gettext("This sets the maximum number of whitespaces allowed with HTTP client request line folding. " .
+			"Request headers folded with whitespaces equal to or greater than this value will cause a \"Whitespace Saturation\" alert. ") . 
+			gettext("Default value is ") . "<strong>" . gettext("0") . "</strong>.";?>
+		</td>
+	</tr>
+	<tr>
+		<td width="22%" valign="bottom">&nbsp;</td>
+		<td width="78%" valign="bottom">
+			<input name="Submit" id="submit" type="submit" class="formbtn" value=" Save " title="<?php echo 
+			gettext("Save httpinspect engine settings and return to Preprocessors tab"); ?>">
+			&nbsp;&nbsp;&nbsp;&nbsp;
+			<input name="Cancel" id="cancel" type="submit" class="formbtn" value="Cancel" title="<?php echo 
+			gettext("Cancel changes and return to Preprocessors tab"); ?>"></td>
+	</tr>
+</table>
+</td>
+</tr>
+</table>
+</div>
+</form>
+
+<script type="text/javascript" src="/javascript/autosuggest.js">
+</script>
+
+<script type="text/javascript" src="/javascript/suggestions.js">
+</script>
+
+<script type="text/javascript">
+
+function extended_response_enable_change() {
+	var endis = !(document.iform.httpinspect_extended_response_inspection.checked);
+
+	// Hide the "httpinspect_inspectgzip and httpinspect_normalizejavascript" rows if httpinspect_extended_response_inspection disabled
+	if (endis) {
+		document.getElementById("httpinspect_inspectgzip_row").style.display="none";
+		document.getElementById("httpinspect_unlimiteddecompress_row").style.display="none";
+		document.getElementById("httpinspect_normalizejavascript_row").style.display="none";
+		document.getElementById("httpinspect_maxjavascriptwhitespaces_row").style.display="none";
+	}
+	else {
+		document.getElementById("httpinspect_inspectgzip_row").style.display="table-row";
+		document.getElementById("httpinspect_unlimiteddecompress_row").style.display="table-row";
+		document.getElementById("httpinspect_normalizejavascript_row").style.display="table-row";
+		document.getElementById("httpinspect_maxjavascriptwhitespaces_row").style.display="table-row";
+	}
+}
+
+function httpinspect_inspectgzip_enable_change() {
+	var endis = !(document.iform.httpinspect_inspect_gzip.checked);
+	// Hide the "httpinspect_unlimited_decompress" row if httpinspect_inspect_gzip disabled
+	if (endis)
+		document.getElementById("httpinspect_unlimiteddecompress_row").style.display="none";
+	else
+		document.getElementById("httpinspect_unlimiteddecompress_row").style.display="table-row";
+}
+
+function normalize_javascript_enable_change() {
+	var endis = !(document.iform.httpinspect_normalize_javascript.checked);
+
+	// Hide the "httpinspect_maxjavascriptwhitespaces" row if httpinspect_normalize_javascript disabled
+	if (endis)
+		document.getElementById("httpinspect_maxjavascriptwhitespaces_row").style.display="none";
+	else
+		document.getElementById("httpinspect_maxjavascriptwhitespaces_row").style.display="table-row";
+}
+
+// Set initial state of form controls
+extended_response_enable_change();
+normalize_javascript_enable_change();
+httpinspect_inspectgzip_enable_change();
+
+<?php
+	$isfirst = 0;
+	$aliases = "";
+	$addrisfirst = 0;
+	$portisfirst = 0;
+	$aliasesaddr = "";
+	$aliasesport = "";
+	if(isset($config['aliases']['alias']) && is_array($config['aliases']['alias']))
+		foreach($config['aliases']['alias'] as $alias_name) {
+			// Skip any Aliases that resolve to an empty string
+			if (trim(filter_expand_alias($alias_name['name'])) == "")
+				continue;
+			if ($alias_name['type'] == "host" || $alias_name['type'] == "network") {
+				if($addrisfirst == 1) $aliasesaddr .= ",";
+				$aliasesaddr .= "'" . $alias_name['name'] . "'";
+				$addrisfirst = 1;
+			}
+			elseif ($alias_name['type'] == "port") {
+				if($portisfirst == 1) $aliasesport .= ",";
+				$aliasesport .= "'" . $alias_name['name'] . "'";
+				$portisfirst = 1;
+			}
+		}
+?>
+	var addressarray=new Array(<?php echo $aliasesaddr; ?>);
+	var portarray=new Array(<?php echo $aliasesport; ?>);
+
+function createAutoSuggest() {
+<?php
+	echo "objAliasAddr = new AutoSuggestControl(document.getElementById('httpinspect_bind_to'), new StateSuggestions(addressarray));\n";
+	echo "objAliasPort = new AutoSuggestControl(document.getElementById('httpinspect_ports'), new StateSuggestions(portarray));\n";
+?>
+}
+
+setTimeout("createAutoSuggest();", 500);
+
+</script>
+<?php include("fend.inc");?>
+</body>
+</html>