[TYPO3-core] RFC: #10266: Bugfix: No user authentication for >1 TYPO3 installation under one domain

[Marcus Krause]

Hi,

This is SVN patch request.

Type: Bugfix

Bugtracker references:
http://bugs.typo3.org/view.php?id=10266

Branches: trunk, 4-2, 4-1


Problem:
TYPO3 sets cookies with path variable = '/'. This prevents users to
login to more than one TYPO3 instance on one domain.
Given a setup like
example.org/cms1
example.org/cms2
where in cms1 and cms2 are two different TYPO3 instances reside. Cookies
from cms1 will overwrite those from cms2 vice versa

Solution:
Apply paths to setcookie() calls whenever possible.


Note:
The attached patch introduces a new IndpEnv 'TYPO3_SITE_PATH' for
t3lib_div::getIndpEnv().
In addition a unit testcase is added for it.
Patch has been made against trunk.
For the 4-1 and 4-2, obviously the testcase has to be removed.


Marcus.
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