[Nagiosplug-devel] check_dns

[Voon, Ton]

Awais,

I had a go at this yesterday, but have to admit abject failure. I couldn't
get your patch to r1.3.1 to compile correctly on my MacOSX system, but I
think it is running bind 9 and there are some compatibility #defines I think
I need to set. 

Got further on SF's FreeBSD system with these changes:

- compile with -lresolv
- put an if (target) around the _res.nscount to only set the nameserver if
specified with -s

But I am absolutely baffled how to expand out the DNS reply - too
complicated for me! I specifically want to catch multiple IP addresses
(ibm.com is a good example) which is in the current functionality.

Could you provide a patch to HEAD? 

Ton

-----Original Message-----
From: Awais Ahmad [mailto:awais at eurobell.net] 
Sent: Monday, February 23, 2004 12:37 PM
To: Karl DeBisschop
Cc: NagiosPlug Devel
Subject: Re: [Nagiosplug-devel] check_dns


I have done this with the stable version of check_dns.c but never had
the time to carry the changes across to HEAD. The patch is attached.

Although the main resolver lib functions are available, via
GLIBC/LIBC,the response parsing routines (ns_parserr and friends) are
only visible to the resolver lib functions themselves. 
I've had to roll my own. 

I've tested on Debian GNU/Linux, Redhat GNU/Linux, FreeBSD current/4.X
and Solaris 7.


Awais Ahmad






On Fri, 2004-02-20 at 03:52, Karl DeBisschop wrote:
> On Thu, 2004-02-19 at 22:34, Ton Voon wrote:
> 
> > I'll have a go at this change, but only after I can get check_dns to 
> > use the resolver routines instead of nslookup first. Most of 
> > check_dns.c looks like it is parsing for error messages in nslookup!
> 
> Makes sense to me. That was the direction we wanted to go anyway, to use
> the resolver instead of parsing scripts.
> 
> IIRC, the resolver is covered by POSIX, so we should have much less
> platform-specific cruft once we do that.
> 
> --
> Karl
> 
> 
> 
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