[BusyBox] tftp get doesn't ack the last data block

[Magnus Damm]

Hi,

Yes, it seems like a bug to me, sorry about that.
Please post your fix to the list.

Thanks /

magnus

Jean-Christophe Dubois wrote:
> 
> Hi,
> 
> I am new to the mailing list but I'd like to report what I think is a
> bug. Sorry if it is an already discussed issue but it doesn't show in
> the list of outstanding bugs (maybe it is not a bug).
> 
> Well, I am not an expert in RFC and all but what the behavior of the
> busybox tftp client does not please my linux (RH7.2) tftp server. In
> particular it looks like the server is expecting the client to ack the
> last block of a tftp get request. If not it will try to resend the last
> block until it gets and ICMP (unreachable) packet (because the client is
> gone). Things ends well but there are some unnecessary retries and ICMP
> packets.
> 
> I have done a quick hack in tftp.c to fix this and now my TFTP server is
> quite happy.
> 
> So, to the people who know, is this a "bug"? If yes, are you interested
> in my "fix"?
> 
> At least it should be noted that the actual behavior is not the one
> expected by some TFTP servers (RH7.2).
> 
> Thanks for your time.
> 
> Regards
> 
> JC
> 
> --
> Jean-Christophe Dubois <jdubois at mc.com>
> Mercury Computer Systems
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