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authorplegall <plg@piwigo.org>2013-02-11 21:49:28 +0000
committerplegall <plg@piwigo.org>2013-02-11 21:49:28 +0000
commitca9158ee817910c15449bc19cb595ed6886e3099 (patch)
tree8b569a3609e6402c1be9ba14df77a6443c492d42 /install.php
parent19a57cc890b635f78f7a5e6074efd7ae328dd518 (diff)
filter $_GET['dl'], it must be a md5sum-like string and nothing else
git-svn-id: http://piwigo.org/svn/branches/2.4@20706 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'install.php')
-rw-r--r--install.php8
1 files changed, 7 insertions, 1 deletions
diff --git a/install.php b/install.php
index 5e1153b22..9ccde11df 100644
--- a/install.php
+++ b/install.php
@@ -109,7 +109,11 @@ include(PHPWG_ROOT_PATH . 'include/config_default.inc.php');
@include(PHPWG_ROOT_PATH. 'local/config/config.inc.php');
defined('PWG_LOCAL_DIR') or define('PWG_LOCAL_DIR', 'local/');
+include(PHPWG_ROOT_PATH . 'include/functions.inc.php');
+
// download database config file if exists
+check_input_parameter('dl', $_GET, false, '/^[a-f0-9]{32}$/');
+
if (!empty($_GET['dl']) && file_exists(PHPWG_ROOT_PATH.$conf['data_location'].'pwg_'.$_GET['dl']))
{
$filename = PHPWG_ROOT_PATH.$conf['data_location'].'pwg_'.$_GET['dl'];
@@ -156,7 +160,6 @@ if (@file_exists($config_file))
}
include(PHPWG_ROOT_PATH . 'include/constants.php');
-include(PHPWG_ROOT_PATH . 'include/functions.inc.php');
include(PHPWG_ROOT_PATH . 'admin/include/functions.php');
include(PHPWG_ROOT_PATH . 'admin/include/languages.class.php');
@@ -284,6 +287,9 @@ define(\'DB_COLLATE\', \'\');
// writing the configuration file
if ( !($fp = @fopen( $config_file, 'w' )))
{
+ // make sure nobody can list files of _data directory
+ secure_directory(PHPWG_ROOT_PATH.$conf['data_location']);
+
$tmp_filename = md5(uniqid(time()));
$fh = @fopen( PHPWG_ROOT_PATH.$conf['data_location'] . 'pwg_' . $tmp_filename, 'w' );
@fputs($fh, $file_content, strlen($file_content));