Re: Greeter openssh 7.4 is not according rfc4253.

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On Mon, 6 Feb 2017, Stef Bon wrote:

> 2017-02-05 23:12 GMT+01:00 Michael Stone <mstone@xxxxxxxxx>:
> >
> > It was probably because of this commit:
> >
> > http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd.c.diff?r1=1.472&r2=1.473

Thanks, I've committed a fix.

> > Which removed support for protocols older than 2 but perhaps failed to
> > account for the fact that newline had been redefined when using protocol 2.
> > But as someone else said, give it a few days for a response.
> 
> Sure. I reacted not to make you hurry, but for me an error in the
> greeter (as in the whole init and negotiation phase)
> is crucial. And I think not only my software, but others too.
> Error's have to be reported as soon as possible, since openssh is
> widely used a lot and important to many.

It's not crucial at all. Clients must be prepared to handle ident strings
terminated with \n, since it is what mixed SSHv1/SSHv2 servers typically
send (e.g look at the first "if" block in the diff Michael sent).

-d
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