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virtual console: add keyboard mode OFF
Add a new mode for the virtual console keyboard OFF in which all input
other than shift keys is ignored. Prevents vt input buffers from
overflowing when a program opens but doesn't read from a tty, like X11
using evdev for input.
Signed-off-by: Arthur Taylor <art@ified.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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For reasons unclear to me, glibc's <sys/kd.h> deliberately defeats the
attempt we make in <linux/kd.h> to include <linux/types.h>
For now, change the one instance of __u32 to 'unsigned int' instead
because it's breaking userspace. We should probably also remove our
inclusion of <linux/types.h>, since we don't use it -- but that's not a
change to make in -rc.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There have been issues with non-latin1 diacritics and unicode.
http://bugzilla.kernel.org/show_bug.cgi?id=7746
Git 759448f459234bfcf34b82471f0dba77a9aca498 `Kernel utf-8 handling'
partly resolved it by adding conversion between diacritics and
unicode. The patch below goes further by just turning diacritics into
unicode, hence providing better future support. The kbd support can be
fetched from
http://bugzilla.kernel.org/attachment.cgi?id=12313
This was tested in all of latin1, latin9, latin2 and unicode with french
and czech dead keys.
Turn the kernel accent_table into unicode, and extend ioctls KDGKBDIACR
and KDSKBDIACR into their equivalents KDGKBDIACRUC and KDSKBDIACR.
New function int conv_uni_to_8bit(u32 uni) for converting unicode into 8bit
_input_. No, we don't want to store the translation, as it is potentially
sparse and large.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Jan Engelhardt <jengelh@gmx.de>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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->vc_font switched to console_font (from console_font_op, of all things!)
console_font_op annotated (->data is finally makred __user).
Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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->con_font_default() sanitized. We copy font name (if any) from userland
in the caller and pass it explicitly. We are also beginning to get rid
of console_font_op in method arguments.
Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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vt, vt_ioctl, consolemap and selection annotated, struct unimapdesc
and struct consolefontdesc got __user on their pointer members.
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The reason Vojtech broke it was the stupid name of a field
in struct kbd_repeat, namely "rate". Every sane person
expects that a rate has dimension [1/sec], but here the
"rate" is a time period measured in msec.
So, the patch below first of all fixes the code,
and secondly changes the name.
Since Vojtech used PERIOD as index, I also used period
as field name in the struct.
Half of the stuff below is actually from Alan Stern.
Andries
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- replace hwclk_time with rtc_time
- use hwclk instead of gettod to set initial time
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Andrej Lajovic observes that in kd.h the definitions of K_NUMLOCK and
K_CAPSLOCK are interchanged. He is right (and this is the case since
1.1.54; nobody noticed because setleds.c does not use these defines).
So, here is the fix. No kernel behaviour is changed.
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