PHP :: Bug #34249 :: apache crash / error on php error document

Bug #34249	apache crash / error on php error document
Submitted:	2005-08-25 16:23 UTC	Modified:	2005-10-26 17:09 UTC
From:	jeroen at terena dot nl	Assigned:	tony2001 (profile)
Status:	Closed	Package:	Apache2 related
PHP Version:	5CVS-2005-10-26 (cvs)	OS:	*
Private report:	No	CVE-ID:	None

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[2005-08-25 16:23 UTC] jeroen at terena dot nl

Description:
------------
Please see http://bugs.php.net/bug.php?id=33987

I'm still experiencing the same bug in 5.1RC1

Any custom error document other than a PHP document works. If I use a PHP document no code gets executed it  just seems to ignore the error document. Occaisionally I get an even  weirder response like Apache trying to send the original file (jpeg in my case) anyway. This ofcourse doesn't work.

I'm using PHP5.1RC1, Apache2 on Debian Linux.

Reproduce code:
---------------
.htaccess

ErrorDocument 404 /404.php

404.php
can leave it empty

Expected result:
----------------
empty page or whatever code was put in 404.php

Actual result:
--------------
nothing.
displays referring page in mozilla. 
IE shows its "page could not be displayed" document.

Patches

Pull Requests

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[2005-08-25 17:04 UTC] sniper@php.net

Please try using this CVS snapshot:

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

[2005-08-29 10:46 UTC] jeroen at terena dot nl

Yep, it works fine with the CVS version.

[2005-10-26 14:14 UTC] sniper@php.net

I'm reopening this since I'm seeing this again. 
Ilia, you fixed this last time, but this line is suspicious:

sapi/apache2handler/sapi_apache2.c:538

if (parent_req && strcmp(parent_req->handler, PHP_MAGIC_TYPE) && strcmp(parent_req->handler, PHP_SOURCE_MAGIC_TYPE) && strcmp(parent_req->handler, PHP_SCRIPT)) {

It crashes since (in this case) the parent_req->handler is null. strcmp() didn't like that. :)

[2005-10-26 15:29 UTC] sniper@php.net

Assigning to the guilty party. Antony, your fix for bug #34581 broke the fix for this bug.

[2005-10-26 15:53 UTC] tony2001@php.net

Jani, if you change this line to:
if (parent_req && parent_req->handler && ..
Does it fix the issue?

[2005-10-26 17:09 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.

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