Bug#337041: IUTF8 pseudo-terminal mode

On 2005-12-31 16:05:59 +0000, Colin Watson wrote:
> Recent versions of the Linux kernel support an IUTF8 flag (see
> http://www.cl.cam.ac.uk/~mgk25/unicode.html#mod) which allows the
> character-erase function in cooked mode to handle UTF-8 characters
> correctly. I would like to allow this mode to be preserved by SSH, but
> there is no assignment for it at present.
> 
> Could this line be added to the appropriate place in
> draft-ietf-secsh-connect and draft-ietf-secsh-assignednumbers to create
> this assignment? 42 seems like a reasonable place for it.
> 
>           42    IUTF8       Assume input characters are UTF-8 encoded.
> 
> Thanks,

The problem is still there in the Debian packages from openssh 6.0p1-3.
There is a workaround, which is to set the IUTF8 flag from the .ssh/rc
file when need be, but this needs to detect the locales via LC_* env
variables (e.g. by using "locale charmap"), which are not necessarily
correctly passed (e.g. due to Debian bug 313317 / OpenSSH bug 1346).

Note: the cooked mode itself doesn't mind about the value of the LC_*
env variables; this is just a terminal problem.

-- 
Vincent Lefèvre <[email protected]> - Web: <http://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


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