DragonFly BSD
DragonFly bugs List (threaded) for 2004-06
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Re: kbdcontrol -l affects all vty's, not just the current one

From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Mon, 21 Jun 2004 10:51:30 +0200

On 21.06.2004, at 06:04, nntp.dragonflybsd.org wrote:

(Simon 'corecode' Schubert pointed out that, even if the kbdmap was
per-vty, nothing would stop an unprivledged user from loading a keyboard
map of all NUL's, which would disable further logins and/or switching to
another vty. So I'm not really sure what can be done about it...)
1) Make keyboard maps per-vty.
2) Make root the only user able to change keyboard maps on vtys.

If both of these changes are implemented, then only root users can shoot
themselves in the foot with an all-NULL keyboard map.

This breaks the intention of having keymaps adjustable almost completely. I prefer typing on an US keyboard layout but I'm in Germany and thus most keyboards, especially of "shared" computers (in the office) are German. But in fact, I'd like to load the US keymap so I can type properly. Won't work if root is the only one allowed to change keymaps.

A possible solution: Only allow setting keymaps owned by root (i.e. trusted keymaps)
or enforce certain restrictions (i.e. ALT + Fxx always work, so that you can switch to another vty)

plus, of course, the per-vty keymaps


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