From:             bugzilla-php at bwurst dot org
Operating system: gentoo linux (kernel 2.6)
PHP version:      5.0.2
PHP Bug Type:     Filesystem function related
Bug description:  is_writable() and is_readable() return false when access is 
permitted via ACL

Description:
------------
PHP's is_readable() and is_writable() function report nonsense on ACLs...

We have the following test case:
A file containing 
<?php
echo __FILE__.' is '.(is_readable(__FILE__) ? '' : 'NOT
')."readable!<br>\n";
echo __FILE__.' is '.(is_writable(__FILE__) ? '' : 'NOT
')."writable!<br>\n";
?>

it's made accessible to the webserver via
$ getfacl index.php
# file: index.php
# owner: someuser
# group: webadm
user::rw-
user:apache:rw-
group::r--
mask::rw-
other::---

So apache is neither the owner nor in the group but it's accessible
through ACL.
If I call this file via the webserver, I get 
/srv/http/[...]/test/index.php is NOT readable!
/srv/http/[...]/test/index.php is NOT writable!

[...] has been inserted by me, of course.

This method works perfectly, the webserver (and also PHP) *can* read and
write the file but the is_readable() and is_writable() return wrong
values.

It really seems like bug #14923, but that one's fixed after php-4.1.0.
Also it's CLOSED, so I cannot add a comment there. :-(


-- 
Edit bug report at http://bugs.php.net/?id=30931&edit=1
-- 
Try a CVS snapshot (php4):   http://bugs.php.net/fix.php?id=30931&r=trysnapshot4
Try a CVS snapshot (php5.0): 
http://bugs.php.net/fix.php?id=30931&r=trysnapshot50
Try a CVS snapshot (php5.1): 
http://bugs.php.net/fix.php?id=30931&r=trysnapshot51
Fixed in CVS:                http://bugs.php.net/fix.php?id=30931&r=fixedcvs
Fixed in release:            http://bugs.php.net/fix.php?id=30931&r=alreadyfixed
Need backtrace:              http://bugs.php.net/fix.php?id=30931&r=needtrace
Need Reproduce Script:       http://bugs.php.net/fix.php?id=30931&r=needscript
Try newer version:           http://bugs.php.net/fix.php?id=30931&r=oldversion
Not developer issue:         http://bugs.php.net/fix.php?id=30931&r=support
Expected behavior:           http://bugs.php.net/fix.php?id=30931&r=notwrong
Not enough info:             
http://bugs.php.net/fix.php?id=30931&r=notenoughinfo
Submitted twice:             
http://bugs.php.net/fix.php?id=30931&r=submittedtwice
register_globals:            http://bugs.php.net/fix.php?id=30931&r=globals
PHP 3 support discontinued:  http://bugs.php.net/fix.php?id=30931&r=php3
Daylight Savings:            http://bugs.php.net/fix.php?id=30931&r=dst
IIS Stability:               http://bugs.php.net/fix.php?id=30931&r=isapi
Install GNU Sed:             http://bugs.php.net/fix.php?id=30931&r=gnused
Floating point limitations:  http://bugs.php.net/fix.php?id=30931&r=float
MySQL Configuration Error:   http://bugs.php.net/fix.php?id=30931&r=mysqlcfg

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