[Qemu-devel] Re: [PATCH 6/7] Add tight protocol awareness to vnc.c

[Alexander Graf <agraf@suse.de>]

Anthony Liguori wrote:
> Alexander Graf wrote:
>> This patch enables the vnc server to understand the tight protocol.
>>
>> Basically, negotiation if tight is existing happens through the
>> authentication code. If a special authentication called VNC_AUTH_TIGHT
>> is used, the real authentication is stacked afterwards and tight
>> extensions exist.
>>   
>
> This is wrong.  The way the standard works is that the client
> advertises the Tight encoding via SetEncodingTypes.  That's all that
> should be needed.  The VNC_AUTH_TIGHT thing is a Tight extension that
> shouldn't be needed for implementing tight encoding.

So how am I supposed to do the write_tight_interaction_capabilities()
thing? I don't see how we advertise to the guest that we do support
tight encoding if we can't tell it that we do.

Alex
>
> Regards,
>
> Anthony Liguori