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fixed: security vulnerability in 'ln' winix function

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a user could create a hardlink to any file and the new link 
       had user_id, group_id and permissions the same as for new generated files,
       this allowes to overwrite any existing file in the filesystem,
       now user_id, group_id, permissions are the same as from the oryginal file



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@941 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2013-12-03 12:33:41 +00:00
parent 375604edd6
commit c04874397b
6 changed files with 82 additions and 35 deletions
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4
core/item.h
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@@ -2,7 +2,7 @@
* This file is a part of Winix
* and is not publicly distributed
*
* Copyright (c) 2008-2012, Tomasz Sowa
* Copyright (c) 2008-2013, Tomasz Sowa
* All rights reserved.
*
*/
@@ -76,7 +76,7 @@ struct Item
// used when type is symlink or to a directory too (function 'default')
std::wstring link_to;
int link_redirect;
int link_redirect; // !! IMPROVE ME should it be 'bool'?
// static file (if exists)