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Bug #17622 session_register-session_is_registered does'nt work with register_globals=on
Submitted: 2002-06-06 05:39 UTC Modified: 2002-10-18 01:00 UTC
Votes:14
Avg. Score:4.7 ± 0.6
Reproduced:12 of 12 (100.0%)
Same Version:11 (91.7%)
Same OS:9 (75.0%)
From: frax at axnet dot nu Assigned:
Status: No Feedback Package: Session related
PHP Version: 4.1.2 OS: Debian GNU/Linux 3.0,kern2.2.17
Private report: No CVE-ID: None
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From: frax at axnet dot nu
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 [2002-06-06 05:39 UTC] frax at axnet dot nu
session_register - session_is_registered
doesn't work for global variables with
"register_globals = on" on the sparc arch.

The set.php - get.php scripts at the end of this report
works just fine om my Debian GNU/Linux 3.0, kernel 2.4.18
on i386, but doesnt work on my Debian GNU/Linux 3.0, kernel 2.2.17 on sparc.

Both machines runs Apache 1.3.24 and PHP 4.1.2 and got identical php.ini files.

The scripts:
--- set.php ---------------------------------------------
<?php
@session_destroy();
$cookie_params = session_get_cookie_params();
setcookie(session_name());
session_start();
$globvar= true;
session_register ('globvar');
print '<A HREF="get.php">get.php</A>';
?>

--- get.php ---------------------------------------------
<?php
session_start();
if(session_is_registered('globvar')) { 
        print 'ok';
} else {
        print 'failed';
}
?>

---------------------------------------------------------
On the i386 I get ok and on the sparc failed.

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 [2002-10-02 01:18 UTC] sas@php.net
Does your sparc installation use a 64bit data model?
 [2002-10-02 02:43 UTC] frax at axnet dot nu
Nope, it's an old Sparc Station 5 (sun4m).
It's now upgraded with a 2.4.18 kernel ... same result.
 [2002-10-02 06:18 UTC] sniper@php.net
Please try using this CVS snapshot:

  http://snaps.php.net/php4-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php4-win32-latest.zip


 [2002-10-18 01:00 UTC] php-bugs at lists dot php dot net
No feedback was provided for this bug for over 2 weeks, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 [2003-01-06 23:39 UTC] csmall at enc dot com dot au
Here is my test code, I get the same problem

<?
session_start();
var_dump($_SESSION);
print " <-- before SID is ".SID." and after -->";
$_SESSION['blah'] = "foo";
var_dump($_SESSION);
?>
<br><a href="test.php?<?php echo SID?>">blah</a><p>

The result is always the first var_dump is NULL, SID is blank and the second var_dump looks like what it should.  Testing the same script on 4.2.1 alpha arch it works as is expected.

Debian GNU/Linux system
kernel 2.4.18 on sparc64 arch
php4 4.1.2-4
 
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