check_hpjd plugin in Plugins 1.4

[Edward MacGillivray]

On Friday 18 February 2005 12:36 pm, Andreas Ericsson wrote:
> Edward MacGillivray wrote:
> > Sorry to be replying to my own message, but I've did some more research
> > into the differences between the three versions (1.4alpha2, 1.4, and the
> > new test version).  I've found that the command_line variables are being
> > filled in the following ways:
> >
> > 1.4alpha2:
> > sprintf (command_line, "%s -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET,
> > community,
> >
> > 1.4
> > sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET,
> > community,
> >
> > new-test
> > sprintf (command_line, "%s -Oqa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET,
> > community,
> >
> > Then I looked again at snmpget (or actually snmpcmd) and was not able to
> > find the option -Oa.  I also don't see the option -OQ, which is in the
> > newest one that I can compile.  I changed the 1.4 version that I have to
> > -Ovq (the options that Andreas asked about), and after compiling with
> > this mods the plugin doesn't have the error output from snmpget.  However
> > the plugin only prints a '0' and the exit value of the plugin is 3, so I
> > don't know that this "worked".
>
> It doesn't. The logic that parses the snmpget output assumes that there
> is text in a certain sequence prior to the actual value.
>
> > So I then took the -O snmpget options out completely and recompiled. 
> > After doing this the plugin puts 'Printer ok - ("")' on stdout and has an
> > exit value of 0, which is what happens with the 1.4alpha2 version.
>
> This is also busted. The logic expects the MIB-description of the OID
> and an equal sign, which is impossible to get with ucd-snmp and net-snmp
> < 5.0.2. It's just poorly coded, that's all. What happens if you run
> snmpget -Ovq on the target? If that works, then at least I know that
> much. The "errors" being undefined is an easy fix, so long as I know the
> rest of the code is sound.

Hi Andreas and thanks,

When I do:

# snmpget -Ovq -m : -v 1 -c public <hostname>

or

# snmpget -Ovq <hostname>

I get the usage information for snmpget, so it doesn't even do any snmp 
communication, right?  So I then copied the source file and made a shell 
script from the stuff it had and ran the full command with the OIDs and all 
like:

# snmpget -Ovq -m : -v 1 -c public <hostname> <all the OIDs>

Which did actually work.  I got twelve lines of output (there were 12 OIDs in 
the command) with all but the last one being '0', and the last one was two 
double quotes.  So I think the -Ovq will be fine, so long as the OIDs are 
there.

again, thanks
mac


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