#39198 [Bgs->Opn]: is_dir seem to have permission problems

From: Date: Mon, 23 Oct 2006 12:27:01 +0000
Subject: #39198 [Bgs->Opn]: is_dir seem to have permission problems
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-103901@lists.php.net to get a copy of this message 
 ID:               39198
 User updated by:  php dot spam at frogblender dot net
 Reported By:      php dot spam at frogblender dot net
-Status:           Bogus
+Status:           Open
 Bug Type:         Directory function related
 Operating System: Windows 2003
-PHP Version:      5.1.4
+PHP Version:      5.1.6
 New Comment:

There's nothing wrong with our server, thank you.

I happened to remember an old Windows 2000 server I could test this on.
The bug was reproducible with PHP 5.0 and 5.2 RC6, no surprise there.
Was using IIS with default user, php5isapi.dll, unmodified php.ini

Tony2001, perhaps you shouldn't be managing bugs related to Windows if
you don't have the equipment to verify them.


Previous Comments:
------------------------------------------------------------------------

[2006-10-19 16:09:35] tony2001@php.net

Sorry, we can't go back to the past and fix it on your server.

------------------------------------------------------------------------

[2006-10-19 15:38:54] php dot spam at frogblender dot net

Sorry, but I don't care whether this bug will be fixed or not.

The server is not mine to mess with so I can't install another PHP
version.

------------------------------------------------------------------------

[2006-10-19 14:04:55] tony2001@php.net

Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip



------------------------------------------------------------------------

[2006-10-19 14:00:37] php dot spam at frogblender dot net

Description:
------------
If you have a directory where Everyone has "Full Control" rights you
would expect is_dir to return true but it doesn't.

This bug has existed since 5.0.0 and I've had this problem on at least
three servers during the past year.

I'm lying about my PHP version (it's really 5.1.4) but I've checked the
change log.

realpath() seem to exhibit the proper behavior.

Reproduce code:
---------------
<?php
print("<pre>");
error_reporting(E_ALL);
#clearstatcache();

$paths = array(
	"C:\\",
	"C:\\Windows",
	"C:\\Windows\\Temp",
	"C:\\Windows\\Temp\\RP_Compile",
	"C:\\Windows\\Temp\\DoesNotExist",
	"C:\\Windows\\Temp\\RP_Compile\\Subdir",
);

print("\nis_dir()\n");
foreach($paths as $path)
	print(is_dir($path) . " \t$path\n");

print("\nrealpath()\n");
foreach($paths as $path)
	print(!(realpath($path) === FALSE) . " \t$path\n");

print("\nstat()\n");
foreach($paths as $path)
	print(!(stat($path) === FALSE) . " \t$path\n");

print("</pre>");
?>


Expected result:
----------------
is_dir()
1 	C:\
1 	C:\Windows
1 	C:\Windows\Temp
1 	C:\Windows\Temp\RP_Compile
 	C:\Windows\Temp\DoesNotExist
1 	C:\Windows\Temp\RP_Compile\Subdir

realpath()
1 	C:\
1 	C:\Windows
1 	C:\Windows\Temp
1 	C:\Windows\Temp\RP_Compile
 	C:\Windows\Temp\DoesNotExist
1 	C:\Windows\Temp\RP_Compile\Subdir


Actual result:
--------------
Notice the different result for "C:\Windows\Temp\RP_Compile"

is_dir()
1 	C:\
1 	C:\Windows
1 	C:\Windows\Temp
 	C:\Windows\Temp\RP_Compile
 	C:\Windows\Temp\DoesNotExist
1 	C:\Windows\Temp\RP_Compile\Subdir

realpath()
1 	C:\
1 	C:\Windows
1 	C:\Windows\Temp
1 	C:\Windows\Temp\RP_Compile
 	C:\Windows\Temp\DoesNotExist
1 	C:\Windows\Temp\RP_Compile\Subdir



------------------------------------------------------------------------


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