Bug#221290: [OBORONA-SPAM] [?? Probable Spam] Bug#221290: [Pkg-shadow-devel] Bug#221290: Bug #221290 still here: screen garbled after entering high-ascii characters at login prompt

[Alexander Gattin]

Hi!

After a small, fast and simple check I conclude that
the issue with setting cs7 on terminal after entering
non-ascii letters into "login:" prompt is really a
probem with /sbin/getty (util-linux pkg).

On Wed, Sep 28, 2005 at 07:49:14PM +0300, Alexander Gattin wrote:
> > When I run stty -a in a "clean" shell vs. in a "broken" shell (in the
> > sequence above, before running reset) I get the following differences:
> > claen:                    broken:
> > ======                    =======
> > -parenb -parodd cs8       parenb -parodd cs7
> > -inpck -istrip            inpck istrip
> 
> the same, but sometimes only cs8 vs. cs7 difference is
> noticed... :-/
> 
> > If you need more/other info, please tell me which.
> 
> Thanks for your patience, anyway. Also, I strongly
> suspect that the bug is in _getty_ package, because
> IIRC "login:" prompt is printed/processed by getty, and
> "passwd:" one is provided by login later.

Steps that I took in order to check the issue:
1) created an executable script /root/stty.sh:
> #!/bin/sh
> stty -a
2) added new getty instance on tty8 to /etc/inittab:
>  4:23:respawn:/sbin/getty 38400 tty4
>  5:23:respawn:/sbin/getty 38400 tty5
>  6:23:respawn:/sbin/getty 38400 tty6
> +8:23:respawn:/sbin/getty -l /root/stty.sh 38400 tty8
3) signalled init:
> cherokee:~# telinit q

After this I switch to tty8 and can play entering
different login names onto "login:" prompt and seeing
what `stty -a` tells me, immediately.

Helge, I suggest you to repeat the same trick and see
that getty indeed messes with tty settings. ;)

> And I do not recall any messing with stty there...

I mean I don't remember anything of that kind in login,
and unsurprisingly `man getty` says the next:
> getty has several non-standard features that are useful for  hard-wired
> and for dial-in lines:
> 
> o      Adapts  the tty settings to parity bits and to erase, kill, end-
>        of-line and uppercase characters when it  reads  a  login  name.
>        The  program can handle 7-bit characters with even, odd, none or
>        space parity, and 8-bit characters with no parity.

P.S. so if nobody objects, I'll reassign the bug to
util-linux soon.

Eugene: there were talks about "utf8" and "my" issues,
sence of which I completely missed... Do you agree that
this particular bug is about getty/cs7?

-- 
WBR,
xrgtn