[Xymon] Xymon and Lighttpd 500 Internal Error

Thu Aug 29 22:16:04 CEST 2019

Sorry, there was more needed to simulate the CGI call. This should 
return something for you:

su -s /bin/sh www-data
QUERY_STRING="HOST=pihole.xx.lan&SERVICE=http" REQUEST_METHOD=GET 
SCRIPT_NAME=svcstatus /usr/share/xymon/cgi-bin/svcstatus.sh

-jc

On 8/29/2019 11:57 AM, Guy wrote:
> Yea, I'm lost.
>
> www-data at pihole:~$ export QUERY_STRING="HOST=pihole.xx.lan&SERVICE=http"
> www-data at pihole:~$ echo $QUERY_STRING
> HOST=pihole.xx.lan&SERVICE=http
> www-data at pihole:~$ /usr/lib/xymon/cgi-bin/svcstatus.sh $QUERY_STRING
> Status: 403
> Refresh: 30
> Content-type: text/html
>
> <html><head><title>Invalid request</title></head>
> <body>Invalid request</body></html>
> www-data at pihole:~$
>
> I couldn't find anything in the man pages or on-line documentation
> about invoking svcstatus.sh on the command line.
>
> On Thu, Aug 29, 2019 at 2:28 PM Japheth Cleaver <cleaver at terabithia.org> wrote:
>> On 8/29/2019 11:15 AM, Guy wrote:
>>> Hello,
>>>
>>> The Xymon index page is loading; however, when I attempt to drill down
>>> into an individual service check (invoking svcstatus.sh), lighttpd
>>> returns a 500 internal server error.
>>>
>>> OS: Devuan Ascii 2.0
>>> Kernel: Linux pihole 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u5
>>> (2019-08-11) x86_64 GNU/Linux
>>> Lighttpd: Version: 1.4.45-1
>>> Xymon: Version: 4.3.28-2
>>>
>>> Xymon and lighttpd were both installed from the official Devuan repos
>>> using apt-get.
>>>
>>> Here's my lighttpd config: https://clbin.com/F2LzF
>>> Here's an strace: https://clbin.com/EuesM
>>>
>>> Thanks,
>>>
>>> Guy
>>> _______________________________________________
>>>
>> Hi,
>>
>> Can you try running svcstatus.sh by hand as the web user, with the
>> appropriate QUERY_STRING="HOST=pihole.xx.lan&SERVICE=http", and see what
>> happens? From the stack trace it seems to get as far as the bash fork,
>> but there's not much on the return to go on.
>>
>> -jc
>>