cgi scripts fail to run from userdir with "End of script output before headers" errors

[David A. Bandel]

Lonnie,

With or without suexec, you will need a handler line:
AddHandler cgi-script .cgi .py
(make sure the above line has the pertinent extension, like .py and your
python script ends in .py)

If using suexec, you should see a line in your error_log:
suEXEC mechanism enabled

Your script must be runable by suEXEC user.  You  might find it easier to
disable suexec (unless you need it).  Just rename the suexec script and
restart apache and test.  If you the script works but you need suexec
(because you're going to have lots of users that need to run CGI scripts),
then you'll need to troubleshoot the suexec mess.

David-

On Mon, Oct 6, 2014 at 8:55 PM, Lonni J Friedman <netllama at gmail.com> wrote:

> Hi David,
> I was actually leaning towards some kind of apache configuration
> issue, but clearly i'm not the expert here, or I would have figured it
> out myself :)
>
> To answer your questions:
> Its a python script that I'm trying to run.
> $HOME is on the same partition as / (which is the same partition as
> the apache $DOCROOT).  Its all on a development system, not anything
> resembling production.
> The user's UID is greater than 1000.
> I am using suexec.
>
> I'd be happy to answer any other questions.
>
> thanks
>
>
> On Mon, Oct 6, 2014 at 6:45 PM, David A. Bandel <david.bandel at gmail.com>
> wrote:
> > Lonnie,
> >
> > This is one of the most annoying, frustrating errors.  All it says is
> that
> > the script didn't work.  This may be permissions.  It may be your $HOME
> > mount is non-executable.  Difficult to say.  You didn't say what kind of
> > script it was (Perl, PHP, shell).  Is the UID of the user greater than
> 1000?
> > Are you using suexec?
> >
> > I hate this error.  Will be either one of the permissions issues above or
> > some Apache configuration issue (I'm betting on permissions).
> >
> > David-
> >
> > On Mon, Oct 6, 2014 at 5:57 PM, Lonni J Friedman <netllama at gmail.com>
> wrote:
> >>
> >> Howdy folks,
> >> Any cgi/apach experts still around?  I'm trying to get cgi scripts
> >> working from $USERDIR on a new Fedora system, and they all fail with
> >> internal server errors.  In the apache error log, I see:
> >> [cgi:error] End of script output before headers
> >>
> >> If I copy the script over to the server $DOCROOT/cgi-bin then it runs
> >> just fine.  So this proves the script itself isn't the problem.
> >> Additionally, non-cgi scripts are served just fine from $USERDIR.
> >> Both the cgi-bin directory and the script itself are executable for
> >> all users (755).  This is what I've got set in the apache config for
> >> the USERDIR directory structure:
> >>
> >> <Directory "/home/*/public_html">
> >>     AllowOverride FileInfo AuthConfig Limit Indexes
> >>     Options MultiViews Indexes SymLinksIfOwnerMatch ExecCGI
> >>     Require method GET POST OPTIONS
> >> </Directory>
> >>
> >> <Directory /home/*/public_html/cgi-bin>
> >>         AllowOverride Indexes AuthConfig
> >>         Options ExecCGI
> >>         SetHandler cgi-script
> >> </Directory>
> >>
> >>
> >> Anyone know what I'm missing?
> >>
> >> thanks
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> L. Friedman                                    netllama at gmail.com
> LlamaLand                       http://netllama.linux-sxs.org
> _______________________________________________
> Linux-users mailing list
> Linux-users at linux-sxs.org
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>



-- 
Two things are infinite: the universe and human stupidity; and I'm not sure
about the the universe. -- Albert Einstein
Visit my web page at: http://david.bandel.us/
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