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Bug #28670 PCRE + Safemode + WWW-authenticate header error
Submitted: 2004-06-07 14:19 UTC Modified: 2004-06-08 14:35 UTC
Votes:6
Avg. Score:3.3 ± 1.4
Reproduced:3 of 5 (60.0%)
Same Version:1 (33.3%)
Same OS:3 (100.0%)
From: jg at b-one dot net Assigned:
Status: Wont fix Package: Unknown/Other Function
PHP Version: 4CVS-2004-06-07 (stable) OS: Linux (Debian)
Private report: No CVE-ID:
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 [2004-06-07 14:19 UTC] jg at b-one dot net
Description:
------------
pcre-regexp + safemode affects output of 

header("WWW-Authenticate: Basic realm=\"ABC\");

and causes internal server error with mod_fcgi.

The problem is in 4.3.7 and latest stable cvs 2004-06-07


In safemode without pcre-regexp php return 
WWW-Authenticate: Basic realm="1000"

With pcre-regexp php returns
WWW-Authenticate:  Basic realm="ABC-1000"

I suspect the extra space between key and value to cause mod_fcgi to "internal server error".


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

header("HTTP/1.1 401 Unauthorized");
header("WWW-Authenticate: Basic realm=\"ABC\"");

echo "I need your credentials";

?>



Expected result:
----------------
Status: 401
Content-type: text/html
X-Powered-By: PHP/4.3.7
WWW-Authenticate: Basic realm="ABC-1000"



Actual result:
--------------
without pcre-regexp:

Status: 401
Content-type: text/html
X-Powered-By: PHP/4.3.7
WWW-Authenticate: Basic realm="1000"



with pcre-regexp:

Status: 401
Content-type: text/html
X-Powered-By: PHP/4.3.7
WWW-Authenticate:  Basic realm="ABC-1000"

(notice extra space)


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AllCommentsChangesGit/SVN commitsRelated reports
 [2004-06-07 15:52 UTC] iliaa@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/.
 
Thank you for the report, and for helping us make PHP better.


 [2004-06-08 10:01 UTC] jg at b-one dot net
Only half of the bug report is fixed.

When php is build without pcre-regexp the realm is wrong.
Only uid is in realm, not realm name from header(...)
se "actual output".

Sorry for not beeing more specific about that.
 [2004-06-08 14:35 UTC] iliaa@php.net
The instance where pcre is not available cannot be 
addressed. 
 
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