Re: How to set the disconnect message as a server

[Jakub Jelen <jjelen@xxxxxxxxxx>]

On 11/23/20 7:21 AM, Adley Phu wrote:
> When disconnecting, the SSH protocol allows you to send a uint32 reason 
> code and human readable description. See 
> https://tools.ietf.org/html/rfc4253#section-11.1 
> <https://tools.ietf.org/html/rfc4253#section-11.1> "SSH_MSG_DISCONNECT"
>
> You can receive this message with ssh_get_disconnect_message() but is it 
> possible to set the message when disconnecting? Specifically, as a 
> server disconnecting a client.

Hi,
at this moment, the ssh_disconnect() function does not take any argument 
to support different disconnect codes. We have all the RFC codes 
defined, but only the SSH_DISCONNECT_BY_APPLICATION is being used:

https://gitlab.com/libssh/libssh-mirror/-/blob/master/src/client.c#L693

If you would find this functionality useful, I would be happy to review 
your patches.

Regards,
--
Jakub Jelen
Senior Software Engineer
Crypto Team, Security Engineering
Red Hat, Inc.