[Dnsmasq-discuss] MX forwarding

[Simon Kelley]

On 30/08/12 13:11, Gene Czarcinski wrote:
> The patch below has been tested and returns NXDOMAIN for A and AAAA
> plain-name queries (which stops /usr/bin/host) from doing an MX query
> (domain-needed is specified).  But a "host -t DS com" and "host -t DS
> org" returns the expected info.
> 
> A really simple patch:
> -----------------------------------------------------------------------------------------------------------
> 
> diff -uNr dnsmasq-2.59.orig/src/forward.c dnsmasq-2.59/src/forward.c
> --- dnsmasq-2.59.orig/src/forward.c    2011-10-07 10:09:30.000000000 -0400
> +++ dnsmasq-2.59/src/forward.c    2012-08-30 07:27:33.553302341 -0400
> @@ -210,7 +210,7 @@
>    if (flags == 0 && !(qtype & F_QUERY) &&
>        option_bool(OPT_NODOTS_LOCAL) && !strchr(qdomain, '.') && namelen
> != 0)
>      /* don't forward A or AAAA queries for simple names, except the
> empty name */
> -    flags = F_NOERR;
> +    flags = F_NXDOMAIN;
> 
>    if (flags == F_NXDOMAIN && check_for_local_domain(qdomain, now))
>      flags = F_NOERR;
> --------------------------------------------------------------------------------------------------------------
> 
> 

But that change returns NXDOMAIN, which is an reversion of one of the
changes made to fix Debian bug 630637.

I'm happy to add MX to A and AAAA records for special-casing, but not
the above patch.

Simon.