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#!/usr/local/bin/php

<?php

/*

	system_edit.php

	Copyright (C) 2004, 2005 Scott Ullrich

	All rights reserved.

	Adapted for FreeNAS by Volker Theile (votdev@gmx.de)

	Copyright (C) 2006-2009 Volker Theile

	Adapted for Pfsense Snort package by Robert Zelaya

	Copyright (C) 2008-2009 Robert Zelaya

	Using dp.SyntaxHighlighter for syntax highlighting

	http://www.dreamprojections.com/SyntaxHighlighter

	Copyright (C) 2004-2006 Alex Gorbatchev. 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("config.inc");

require_once("/usr/local/pkg/snort/snort_gui.inc");

require_once("/usr/local/pkg/snort/snort.inc");

if (!is_array($config['installedpackages']['snortglobal']['rule'])) {

	$config['installedpackages']['snortglobal']['rule'] = array();

}

//nat_rules_sort();

$a_nat = &$config['installedpackages']['snortglobal']['rule'];

$id = $_GET['id'];

if (isset($_POST['id']))

	$id = $_POST['id'];

$ids = $_GET['ids'];

if (isset($_POST['ids']))

	$ids = $_POST['ids'];

if (isset($id) && $a_nat[$id]) {

	$pconfig['enable'] = $a_nat[$id]['enable'];

	$pconfig['interface'] = $a_nat[$id]['interface'];

	$pconfig['rulesets'] = $a_nat[$id]['rulesets'];

}

/* convert fake interfaces to real */

$if_real = convert_friendly_interface_to_real_interface_name2($pconfig['interface']);

$file = $_GET['openruleset'];

//read snort file

$filehandle = fopen($file, "r");

//get rule id

$lineid = $_GET['ids'];

//read file into string, and get filesize

$contents2 = fread($filehandle, filesize($file));

//close handler

fclose ($filehandle);

//delimiter for each new rule is a new line

$delimiter = "\n";

//split the contents of the string file into an array using the delimiter

$splitcontents = explode($delimiter, $contents2);

//copy rule contents from array into string

$tempstring = $splitcontents[$lineid];

function write_rule_file($content_changed, $received_file)

{

    //read snort file with writing enabled

    $filehandle = fopen($received_file, "w");

    //delimiter for each new rule is a new line

    $delimiter = "\n";

    //implode the array back into a string for writing purposes

    $fullfile = implode($delimiter, $content_changed);

    //write data to file

    fwrite($filehandle, $fullfile);

    //close file handle

    fclose($filehandle);

}

if($_POST['highlight'] <> "") {

	if($_POST['highlight'] == "yes" or

	  $_POST['highlight'] == "enabled") {

		$highlight = "yes";

	} else {

		$highlight = "no";

	}

} else {

	$highlight = "no";

}

if($_POST['rows'] <> "")

	$rows = $_POST['rows'];

else

	$rows = 1;

if($_POST['cols'] <> "")

	$cols = $_POST['cols'];

else

	$cols = 66;

if ($_POST)

{

	if ($_POST['save']) {

		/* get the changes */

	    $rule_content2 = $_POST['code'];

		//copy string into file array for writing

	    $splitcontents[$lineid] = $rule_content2;

	    //write the new .rules file

	    write_rule_file($splitcontents, $file);

		header("Location: /snort/snort_rules_edit.php?id=$id&openruleset=$file&ids=$ids");	

	}

}

$pgtitle = array(gettext("Advanced"), gettext("File Editor"));

//

?>

<?php include("head.inc");?>

<body link="#000000" vlink="#000000" alink="#000000">

<table width="100%" border="0" cellpadding="0" cellspacing="0">

	<tr>

		<td class="tabcont">

			<form action="snort_rules_edit.php?id=<?=$id; ?>&openruleset=<?=$file; ?>&ids=<?=$ids; ?>" method="post">

				<?php if ($savemsg) print_info_box($savemsg);?>

				<table width="100%" cellpadding='9' cellspacing='9' bgcolor='#eeeeee'>

					<tr>

						<td>

							<input name="save" type="submit" class="formbtn" id="save" value="save" /> <input type="button" class="formbtn" value="Cancel" onclick="history.back()">

							<hr noshade="noshade" />

							<?=gettext("Disable original rule"); ?>:

							<input id="highlighting_enabled" name="highlight2" type="radio" value="yes" <?php if($highlight == "yes") echo " checked=\"checked\""; ?> />

							<label for="highlighting_enabled"><?=gettext("Enabled"); ?></label>

							<input id="highlighting_disabled" name="highlight2" type="radio" value="no"<?php if($highlight == "no") echo " checked=\"checked\""; ?> />

							<label for="highlighting_disabled"><?=gettext("Disabled"); ?></label>

						</td>

					</tr>

				</table>

				<table width='100%'>

					<tr>

						<td valign="top" class="label">

							<div style="background: #eeeeee;" id="textareaitem">

							<!-- NOTE: The opening *and* the closing textarea tag must be on the same line. -->

							<textarea  wrap="off" style="width: 98%; margin: 7px;" class="<?php echo $language; ?>:showcolumns" rows="<?php echo $rows; ?>" cols="<?php echo $cols; ?>" name="code"><?php echo $tempstring;?></textarea>

							</div>

						</td>

					</tr>

				</table>

				<table width='100%'>

					<tr>

						<td valign="top" class="label">

							<div style="background: #eeeeee;" id="textareaitem">

							<!-- NOTE: The opening *and* the closing textarea tag must be on the same line. -->

							<textarea   disabled wrap="off" style="width: 98%; margin: 7px;" class="<?php echo $language; ?>:showcolumns" rows="33" cols="<?php echo $cols; ?>" name="code2"><?php echo $contents2;?></textarea>

							</div>

						</td>

					</tr>

				</table>

				<?php // include("formend.inc");?>

			</form>

		</td>

	</tr>

</table>

<script class="javascript" src="/snort/syntaxhighlighter/shCore.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushCSharp.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushPhp.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushJScript.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushJava.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushVb.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushSql.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushXml.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushDelphi.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushPython.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushRuby.js"></script>

<script class="javascript" src="/snort/syntaxhighlighter/shBrushCss.js"></script>

<script class="javascript">

<!--

  // Set focus.

  document.forms[0].savetopath.focus();

  // Append css for syntax highlighter.

  var head = document.getElementsByTagName("head")[0];

  var linkObj = document.createElement("link");

  linkObj.setAttribute("type","text/css");

  linkObj.setAttribute("rel","stylesheet");

  linkObj.setAttribute("href","/snort/syntaxhighlighter/SyntaxHighlighter.css");

  head.appendChild(linkObj);

  // Activate dp.SyntaxHighlighter?

  <?php

  if($_POST['highlight'] == "yes") {

    echo "dp.SyntaxHighlighter.HighlightAll('code', true, true);\n";

    // Disable 'Save' button.

    echo "document.forms[0].Save.disabled = 1;\n";

  }

?>

//-->

</script>

<?php //include("fend.inc");?>

</body>

</html>