ssh-keygen: sanitize ANSI escape sequences in key comment

Mon Jan 4 18:29:10 AEDT 2016

On Sat, 2 Jan 2016, Roland Hieber wrote:

> On 02.01.2016 22:12, Roland Hieber wrote:
> > Since this is my first patch to OpenSSH, I'm very open for feedback :-)
> 
> ...he wrote without attaching the patch...
> 
> Sorry.

No problem :) Could I ask you to file a bug at https://bugzilla.mindrot.org/ ?

I think we should use strnvis* with VIS_SAFE|VIS_OCTAL flags instead of
explicit white/blacklists of characters.

-d

* http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man3/stravis.3?query=strnvis&sec=3