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Bug #44722 The save_path cannot contain NULL characters
Submitted: 2008-04-14 16:20 UTC Modified: 2008-04-15 00:33 UTC
From: antphill at uk dot ibm dot com Assigned:
Status: Closed Package: Session related
PHP Version: 6CVS-2008-04-14 (snap) OS: SUSE Linux
Private report: No CVE-ID: None
View Developer Edit
 [2008-04-14 16:20 UTC] antphill at uk dot ibm dot com 
Description:
------------
Calling session_save_path() with no arguments produces a warning: "The save_path cannot contain NULL characters" and returns FALSE instead of an empty string. This only reproduces on Linux, on Windows the test passes as expected.

Reproduce code:
---------------
<?php

ob_start();
echo "*** Testing session_save_path() : error functionality ***\n";

$directory = dirname(__FILE__);
var_dump(session_save_path());
var_dump(session_save_path($directory));
var_dump(session_save_path());

echo "Done";
ob_end_flush();
?>


Expected result:
----------------
--EXPECTF--
*** Testing session_save_path() : error functionality ***
string(0) ""
string(0) ""
string(%d) "%s"
Done
--UEXPECTF--
*** Testing session_save_path() : error functionality ***
unicode(0) ""
unicode(0) ""
unicode(%d) "%s"
Done

Actual result:
--------------
*** Testing session_save_path() : error functionality ***

Warning: session_save_path(): The save_path cannot contain NULL characters. in /mnt/hgfs/Projects/Session/php-6.0/session_save_path_basic.php on line 14
bool(false)
string(0) ""
string(34) "/mnt/hgfs/Projects/Session/php-6.0"
Done

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 [2008-04-14 16:22 UTC] antphill at uk dot ibm dot com 
Forgot to ssay, this happens with both unicode semantics enabled and disabled.
 [2008-04-14 16:27 UTC] antphill at uk dot ibm dot com 
In fact just this script causes the segmentation fault:

<?php
var_dump(session_save_path());
?>

Note I have no php.ini actually being used, just the default settings!
 [2008-04-15 00:33 UTC] scottmac@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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