pfSense

<?php

/* $Id$ */

/*

	Exec+ v1.02-000 - Copyright 2001-2003, All rights reserved

	Created by technologEase (http://www.technologEase.com).

	(modified for m0n0wall by Manuel Kasper <mk@neon1.net>)

	Copyright (C) 2013-2015 Electric Sheep Fencing, LP

	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.

*/

/*

	pfSense_MODULE: shell

*/

##|+PRIV

##|*IDENT=page-diagnostics-command

##|*NAME=Diagnostics: Command page

##|*DESCR=Allow access to the 'Diagnostics: Command' page.

##|*MATCH=exec.php*

##|-PRIV

$allowautocomplete = true;

require("guiconfig.inc");

if (($_POST['submit'] == "Download") && file_exists($_POST['dlPath'])) {

	session_cache_limiter('public');

	$fd = fopen($_POST['dlPath'], "rb");

	header("Content-Type: application/octet-stream");

	header("Content-Length: " . filesize($_POST['dlPath']));

	header("Content-Disposition: attachment; filename=\"" .

		trim(htmlentities(basename($_POST['dlPath']))) . "\"");

	if (isset($_SERVER['HTTPS'])) {

		header('Pragma: ');

		header('Cache-Control: ');

	} else {

		header("Pragma: private");

		header("Cache-Control: private, must-revalidate");

	}

	fpassthru($fd);

	exit;

} else if (($_POST['submit'] == "Upload") && is_uploaded_file($_FILES['ulfile']['tmp_name'])) {

	move_uploaded_file($_FILES['ulfile']['tmp_name'], "/tmp/" . $_FILES['ulfile']['name']);

	$ulmsg = "Uploaded file to /tmp/" . htmlentities($_FILES['ulfile']['name']);

	unset($_POST['txtCommand']);

}

if($_POST)

	conf_mount_rw();

// Function: is Blank

// Returns true or false depending on blankness of argument.

function isBlank( $arg ) { return preg_match( "/^\s*$/", $arg ); }

// Function: Puts

// Put string, Ruby-style.

function puts( $arg ) { echo "$arg\n"; }

// "Constants".

$Version = '';

$ScriptName = $REQUEST['SCRIPT_NAME'];

// Get year.

$arrDT = localtime();

$intYear = $arrDT[5] + 1900;

$closehead = false;

$pgtitle = array(gettext("Diagnostics"),gettext("Execute command"));

include("head.inc");

?>

<script>

	// Create recall buffer array (of encoded strings).

<?php

if (isBlank( $_POST['txtRecallBuffer'] )) {

	puts( "	  var arrRecallBuffer = new Array;" );

} else {

	puts( "	  var arrRecallBuffer = new Array(" );

	$arrBuffer = explode( "&", $_POST['txtRecallBuffer'] );

	for ($i=0; $i < (count( $arrBuffer ) - 1); $i++)

		puts( "	  '" . htmlspecialchars($arrBuffer[$i], ENT_QUOTES | ENT_HTML401) . "'," );

	puts( "	  '" . htmlspecialchars($arrBuffer[count( $arrBuffer ) - 1], ENT_QUOTES | ENT_HTML401) . "'" );

	puts( "	  );" );

}

?>

	// Set pointer to end of recall buffer.

	var intRecallPtr = arrRecallBuffer.length-1;

	// Functions to extend String class.

	function str_encode() { return escape( this ) }

	function str_decode() { return unescape( this ) }

	// Extend string class to include encode() and decode() functions.

	String.prototype.encode = str_encode

	String.prototype.decode = str_decode

	// Function: is Blank

	// Returns boolean true or false if argument is blank.

	function isBlank( strArg ) { return strArg.match( /^\s*$/ ) }

	// Function: frmExecPlus onSubmit (event handler)

	// Builds the recall buffer from the command string on submit.

	function frmExecPlus_onSubmit( form ) {

		if (!isBlank(form.txtCommand.value)) {

			// If this command is repeat of last command, then do not store command.

			if (form.txtCommand.value.encode() == arrRecallBuffer[arrRecallBuffer.length-1]) { return true }

			// Stuff encoded command string into the recall buffer.

			if (isBlank(form.txtRecallBuffer.value))

				form.txtRecallBuffer.value = form.txtCommand.value.encode();

			else

				form.txtRecallBuffer.value += '&' + form.txtCommand.value.encode();

		}

		return true;

	}

	// Function: btnRecall onClick (event handler)

	// Recalls command buffer going either up or down.

	function btnRecall_onClick( form, n ) {

		// If nothing in recall buffer, then error.

		if (!arrRecallBuffer.length) {

			alert( '<?=gettext("Nothing to recall"); ?>!' );

			form.txtCommand.focus();

			return;

		}

		// Increment recall buffer pointer in positive or negative direction

		// according to <n>.

		intRecallPtr += n;

		// Make sure the buffer stays circular.

		if (intRecallPtr < 0) { intRecallPtr = arrRecallBuffer.length - 1 }

		if (intRecallPtr > (arrRecallBuffer.length - 1)) { intRecallPtr = 0 }

		// Recall the command.

		form.txtCommand.value = arrRecallBuffer[intRecallPtr].decode();

	}

	// Function: Reset onClick (event handler)

	// Resets form on reset button click event.

	function Reset_onClick( form ) {

		// Reset recall buffer pointer.

		intRecallPtr = arrRecallBuffer.length;

		// Clear form (could have spaces in it) and return focus ready for cmd.

		form.txtCommand.value = '';

		form.txtCommand.focus();

		return true;

	}

//]]>

</script>

<?php

if (isBlank($_POST['txtCommand']) && isBlank($_POST['txtPHPCommand']) && isBlank($ulmsg))

	print('<div class="alert alert-warning" role="alert">'.gettext("The capabilities offered here can be dangerous. No support is available. Use them at your own risk!").'</div>');

if (!isBlank($_POST['txtCommand'])):?>

	<div class="panel panel-success responsive">

		<div class="panel-heading">Shell Output - <?=htmlspecialchars($_POST['txtCommand'])?></div>

		<div class="panel-body">

			<pre>

<?php

	putenv("PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin");

	putenv("SCRIPT_FILENAME=" . strtok($_POST['txtCommand'], " "));

	print htmlspecialchars(system($_POST['txtCommand'].' 2>&1'));

?>

			</pre>

		</div>

	</div>

<? endif ?>

<form action="exec.php" method="post" enctype="multipart/form-data" name="frmExecPlus" onsubmit="return frmExecPlus_onSubmit( this );">

	<div class="panel panel-default">

		<div class="panel-heading"><?=gettext('Execute Shell Command')?></div>

		<div class="panel-body">

			<input id="txtCommand" name="txtCommand" placeholder="Command" type="text" class="col-sm-4"	 value="<?=htmlspecialchars($_POST['txtCommand'])?>" />

			<br /><br />

			<input type="hidden" name="txtRecallBuffer" value="<?=htmlspecialchars($_POST['txtRecallBuffer']) ?>" />

			<input type="button" class="btn btn-default btn-sm" name="btnRecallPrev" value="<" onclick="btnRecall_onClick( this.form, -1 );" />

			<input type="submit" class="btn btn-default btn-sm" value="<?=gettext("Execute"); ?>" />

			<input type="button" class="btn btn-default btn-sm" name="btnRecallNext" value=">" onclick="btnRecall_onClick( this.form,  1 );" />

			<input type="button"  class="btn btn-default btn-sm" value="<?=gettext("Clear"); ?>" onclick="return Reset_onClick( this.form );" />

		</div>

	</div>

	<div class="panel panel-default">

		<div class="panel-heading"><?=gettext('Download file')?></div>

		<div class="panel-body">

			<input name="dlPath" type="text" id="dlPath" placeholder="File to download" class="col-sm-4"/>

			<br /><br />

			<input name="submit" type="submit"	class="btn btn-default btn-sm" id="download" value="<?=gettext("Download"); ?>" />

		</div>

	</div>

<?php

	if ($ulmsg)

		print('<div class="alert alert-success" role="alert">' . $ulmsg .'</div>');

?>

	<div class="panel panel-default">

		<div class="panel-heading"><?=gettext('Upload a file')?></div>

		<div class="panel-body">

			<input name="ulfile" type="file" class="btn btn-default btn-sm btn-file" id="ulfile" />

			<br />

			<input name="submit" type="submit" class="btn btn-default btn-sm pull-left" id="upload" value="<?=gettext("Upload"); ?>" />

		</div>

	</div>

<?php

	if (!isBlank($_POST['txtPHPCommand'])) {

		puts("<div class=\"panel panel-success responsive\"><div class=\"panel-heading\">PHP response</div>");

		puts("<pre>");

		require_once("config.inc");

		require_once("functions.inc");

		echo eval($_POST['txtPHPCommand']);

		puts("&nbsp;</pre>");

		puts("</div>");

}

?>

	<div class="panel panel-default responsive">

		<div class="panel-heading"><?=gettext('Execute PHP Commands')?></div>

		<div class="panel-body">

			<textarea id="txtPHPCommand" placeholder="Command" name="txtPHPCommand" rows="9" cols="80"><?=htmlspecialchars($_POST['txtPHPCommand'])?></textarea>

			<br />

			<input type="submit" class="btn btn-default btn-sm" value="<?=gettext("Execute")?>" />

			<?=gettext("Example"); ?>: <code>print("Hello World!");</code>

		</div>

	</div>

</form>

<?php

include("foot.inc");

if($_POST)

	conf_mount_ro();