[TYPO3-core] RFC: Bug #6158: index.php assumes current working directory to be PATH_site

[Oliver Hader]

This is a SVN patch request.

Problem:
On linked sources the current working directory is set to the linked 
source and not to the originally called one (as provided in PATH_site).
Thus, releative file calls (e.g. loading a HTML template file) will not 
work anymore ("crashes") and a blank page is shown.
This only happens when the following conditions are met:
* PHP 5.2.4-xxx (fixed in PHP 5.2.5)
* running in CGI mode (e.g. fcgid)
* PHP settings cgi.fix_pathinfo enabled
* linked source

Solution:
Check for the conditions above in t3lib/config_default.php and execute a 
chdir(PATH_site) to get relative file operations working again.

Comments:
This issue is marked as fixed in PHP 5.2.5 but however some 
distributions still deliver this bug (e.g. I got this on latest 
Debian/testing 5.2.4-2+b1).

Bugtracker references:
http://bugs.typo3.org/view.php?id=6158

Branch: TYPO3_4-1 & Trunk


olly
-- 
Oliver Hader
http://inpublica.de/
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