- Fixed a security problem:

[devedit.git] / modules / Tool.pm

diff --git a/modules/Tool.pm b/modules/Tool.pm
index d9a20f7ea72bccea4401552fe4872def65c0e823..5ed1ba238bf170786ecd099d33f3d65e8b7d7aaf 100644 (file)
--- a/modules/Tool.pm
+++ b/modules/Tool.pm
@@ -6,7 +6,7 @@ package Tool;
 # Some shared sub routines
 #
 # Author:        Patrick Canterino <patrick@patshaping.de>
-# Last modified: 2005-06-10
+# Last modified: 2005-11-10
 #
 
 use strict;
@@ -68,8 +68,9 @@ sub check_path($$)
  $first    = abs_path($first);
 
  my $last  = file_name($path);
+ $last     = '' if($last eq '.');
 
- if(-d $first.'/'.$last && not -l $first.'/'.$last)
+ if($last eq '..' || ($^O eq 'MSWin32' && $last =~ m!^\.\.\.+$!))
  {
   $first = abs_path($first.'/'.$last);
   $last  = '';
@@ -80,6 +81,7 @@ sub check_path($$)
  # Check if the path is above the root directory
 
  return if(index($path,$root) != 0);
+ return if(substr($path,length($root)) && not File::Spec->file_name_is_absolute(substr($path,length($root))));
 
  # Create short path name