Site down after recompile Apache
Squirrel
squirrel at mail.isot.com
Wed Mar 11 17:20:16 PDT 2009
After recompiling PHP5.2.8 and php5-extensions, the sites are back up again!!! Heewww!
Funny thing though, I selected GD option in php5-extensions, and it went without a hitch, but phpinfo() does not show GD2 support. I've checked the pkg_info and gd2 and php5-gd are both there, and also in extensions.ini contains the line extension=gd.so. Any ideas please?
-----Original message-----
From: Squirrel squirrel at mail.isot.com
Date: Wed, 11 Mar 2009 21:52:00 -0600
To: "Peter C. Lai" peter at simons-rock.edu
Subject: Re: Site down after recompile Apache
> phpinfo shows that I do have pcre enabled with version 6.6 06-Feb-2006.
>
> I've also noticed another error on differnet hosts:
>
> ALERT - canary mismatch on efree() - heap overflow or double efree detected (attacker 'xx.xx.xx.xx', file '/..../public_html/libs/modOsDate/db_class.php', line 329)
>
> function field_name($string) {
>
> return "`" . preg_replace("/[^A-Za-z0-9_\-]/",'',$string) . "`";
> }
>
> So it definitely has to do with preg_replace function. But what could be changed in Apache that would cause this?
>
> Forgot to mention, when I recompiled Apache, I added suexec module, and that's the only thing changed. Now httpd process is eating up all my CPU...
>
> I'm in process of installing PHP 5.2.8. If this doesn't fix, then I'll recompile Apache without suexec.
>
>
> -------------------
> PCShare.Com
>
>
> -----Original message-----
> From: "Peter C. Lai" peter at simons-rock.edu
> Date: Wed, 11 Mar 2009 20:42:40 -0600
> To: Squirrel squirrel at mail.isot.com
> Subject: Re: Site down after recompile Apache
>
> > I believe the Makefile for PHP5 states to use internal pcre library when
> > building with APR2
> >
> > On 2009-03-11 01:21:49PM -0600, Squirrel wrote:
> > > I have restarted Apache many time before remaking it, and everything was fine. Apparently, php 5.1.6_3 was parsing that preg_replace() just fine. So could I've missed a tick when recompiling Apache?
> > >
> > > Meanwhile, I will try installing php 5.2.8.
> > >
> > >
> > >
> > > -----Original message-----
> > > From: Jille Timmermans jille at quis.cx
> > > Date: Wed, 11 Mar 2009 20:06:03 -0600
> > > To: Squirrel squirrel at mail.isot.com
> > > Subject: Re: Site down after recompile Apache
> > >
> > > > Squirrel schreef:
> > > > > I've made Apache 2.2.11 port yesterday:
> > > > > ...# make clean
> > > > > ...# make
> > > > > ...# make deinstall
> > > > > ...#make install
> > > > >
> > > > > And all went well and all my normal websites come up without a problem. But since then non of my Joomla 1.0.15 sites are coming up. The log shows:
> > > > >
> > > > > PHP Warning: Wrong parameter count for chr() in ..../includes/phpInputFilter/class.inputfilter.php(457) : regexp code on line 1
> > > > > PHP Parse error: syntax error, unexpected T_STRING in ..../includes/phpInputFilter/class.inputfilter.php(459) : regexp code on line 1
> > > > > PHP Fatal error: preg_replace(): Failed evaluating code: \nchr(0x) in ..../includes/phpInputFilter/class.inputfilter.php on line 459
> > > > >
> > > > > It seems all of sudden after recompiling Apache, it developed a problem with chr(\\1) and chr(0x\\1). I didn't touch PHP or MySQL, just recompile of Apache, and it still has all same configurations and host info.
> > > > By restarting apache you also reload mod_php, so if you have upgraded
> > > > your PHP between your last apache restart and this one that might be it.
> > > > and IIRC by restarting apache you also reload php.ini.
> > > >
> > > > Another thing is that php5-pcre is now part of php5, and not an extra
> > > > extension. I don't know whether that is also for 5.1.
> > > >
> > > > The function below seems working on 5.2.8 and 5.3.0-beta1.
> > > >
> > > > -- Jille
> > > > >
> > > > > Below is the code that's causing it.
> > > > >
> > > > > function decode($source)
> > > > > {
> > > > > // url decode
> > > > > $source = html_entity_decode($source, ENT_QUOTES, "ISO-8859-1");
> > > > > // convert decimal
> > > > > $source = preg_replace('/&#(\d+);/me', "chr(\\1)", $source); // decimal notation
> > > > > // convert hex
> > > > > $source = preg_replace('/&#x([a-f0-9]+);/mei', "chr(0x\\1)", $source); // hex notation
> > > > > return $source;
> > > > > }
> > > > >
> > > > > I've googled and tried all suggestions but nothings helping. I'm using FreeBSD 6.2, Apache 2.2.11, PHP 5.1.6_3, MySQL 5.0.27. Should I missed a something during remake of Apache?
> > > > >
> > > > > Please help!!!
> > > > >
> > > > > _______________________________________________
> > > > > freebsd-stable at freebsd.org mailing list
> > > > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
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> > > >
> > > _______________________________________________
> > > freebsd-stable at freebsd.org mailing list
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> >
> > --
> > ===========================================================
> > Peter C. Lai | Bard College at Simon's Rock
> > Systems Administrator | 84 Alford Rd.
> > Information Technology Svcs. | Gt. Barrington, MA 01230 USA
> > peter AT simons-rock.edu | (413) 528-7428
> > ===========================================================
> >
> > _______________________________________________
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> > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
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> >
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