Re: ANY queries to tinydns

On Wed, Mar 31, 2010 at 9:32 AM, David Hubbard
<[email protected]> wrote:
> Can someone tell me what the official behavior of
> tinydns is supposed to be when an ANY query is
> sent to it?  And preferably when the response
> would be and wouldn't be larger than a udp packet.
> Using wireshark it reports malformed response on
> ANY queries to domains with a lot of records.

Try applying the patch below.  When tinydns sends a truncated
response, it leaves the numrecords fields set to the number of records
it wanted to send, not the number actually sent.  Some firewalls
apparently don't like this behavior though.


--- response.c.orig	2010-03-31 09:50:48.000000000 -0700
+++ response.c	2010-03-31 09:50:56.000000000 -0700
@@ -117,5 +117,6 @@
 void response_tc(void)
 {
   response[2] |= 2;
+  byte_zero(response + 6,6);
   response_len = tctarget;
 }