[Dnsmasq-discuss] Announce: dnsmasq-2.55
Simon Kelley
simon at thekelleys.org.uk
Fri Jun 11 14:29:53 BST 2010
clemens fischer wrote:
> I'm running 2.55 here. I had always set the empty domain in option 119:
>
> dhcp-option = tag:wlan, option:domain-search, .
>
> The log contains:
>
> sent size: 4 option:119:domain-search ff:ff:ff:ff
>
> and I think this has always been like this. Is this correct or is my
> configuration wrong? Tcpdump logs it thusly:
>
> T119 Option 119, length 4: 4294967295
>
> Everything else works fine, but obviously I'm not good at triggering
> bugs.
>
Well, this is real one. The heuristics that determine the data-type of
the option data get confused by "." and decide that it's an IP address.
(I was testing the change with a list of search domains, which was
enough to make things work.)
http://www.thekelleys.org.uk/dnsmasq/test-releases/dnsmasq-2.56test2.tar.gz
Does a better job by a) making a better guess based on the text of the
option value and b) Using information about the expected data type for
known options.
Cheers,
Simon.
More information about the Dnsmasq-discuss
mailing list