view contrib/web/php-admin/htdocs/save.php @ 783:a50b8ab11d28

Validate input in php-admin to avoid altering arbitrary files (Florian Streibelt, Morten Shearman Kirkegaard)
author Ben Schmidt
date Sun, 21 Nov 2010 00:25:20 +1100
parents 6d354f3a8d90
children d92234debf5c
line wrap: on
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<?php

/* mlmmj/php-admin:
 * Copyright (C) 2004 Christoph Thiel <ct at kki dot org>
 *
 * mlmmj/php-perl:
 * Copyright (C) 2004 Morten K. Poulsen <morten at afdelingp.dk>
 * Copyright (C) 2004 Christian Laursen <christian@pil.dk>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

require("../conf/config.php");
require("class.rFastTemplate.php");

function mlmmj_boolean($name, $nicename, $text)
{
    global $tpl, $topdir, $list, $HTTP_POST_VARS;
    
    $file = $topdir."/".$list."/control/".$name;
    
    if (isset($HTTP_POST_VARS[$name])) 
    {
	if(!touch($file))
	    die("Couldn't open ".$file." for writing");
    }
    else
	@unlink($file);
}

function mlmmj_string ($name, $nicename, $text) 
{
    mlmmj_list($name, $nicename, $text);
}   

function mlmmj_list($name, $nicename, $text) 
{
    global $tpl, $topdir, $list,$HTTP_POST_VARS;

    $file = $topdir."/".$list."/control/".$name;
    
    if(!empty($HTTP_POST_VARS[$name]))
    {
	if (!$fp = fopen($file, "w"))
	    die("Couldn't open ".$file." for writing");

	fwrite($fp, $HTTP_POST_VARS[$name]);
	fclose($fp);
    }
    else
	@unlink($file);
    
}

// Perl's encode_entities (to be able to use tunables.pl)
function encode_entities($str) { return htmlentities($str); }


$tpl = new rFastTemplate($templatedir);

$list = $HTTP_POST_VARS["list"];

if(!isset($list))
die("no list specified");

if (strchr($list, "/") !== false)
die("slash in list name");

if ($list == ".")
die("list name is dot");

if ($list == "..")
die("list name is dot-dot");

if(!is_dir($topdir."/".$list))
die("non-existent list");

$tpl->define(array("main" => "save.html"));
$tpl->assign(array("LIST" => htmlentities($list)));

$handle = fopen("$templatedir/../conf/tunables.pl", "r");
$tunables = fread($handle, filesize("$templatedir/../conf/tunables.pl"));
fclose($handle);

eval($tunables);

$tpl->parse("MAIN","main");
$tpl->FastPrint("MAIN");

?>