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#!/bin/sh
USER=$1
# NOTE about permissions in OpenZaurus
# The devices in question here by default
# are accessible to everyone in the group in
# question. We wish to ensure that, as a policy
# choice, a login to opie makes access to these
# devices exclusive by 1) changing device ownership
# to the user, and 2) removing group access.
#
# A better implementation would probably be to store
# existing device permissions at load time, and restore
# them at exit, rather than making assumptions about
# user/group ownership, or permissions.
permin ()
{
if [ -e $1 ]
then
chown $USER $1
chmod g-rw $1
else
return 1
fi
}
permout ()
{
[ -e $1 ] && chown root $1
[ -e $1 ] && chmod g+rw $1
}
if [ -e /proc/hal/model ]; then
# fix for misconfigured devfsd
chmod +x /dev/sound /dev/touchscreen /dev/fb /dev/vc
[ -e /dev/sound/dsp ] && chown $USER /dev/sound/dsp
[ -e /dev/sound/mixer ] && chown $USER /dev/sound/mixer
[ -e /dev/touchscreen/0 ] && chown $USER /dev/touchscreen/0
[ -e /dev/fb/0 ] && chown $USER /dev/fb/0
[ -e /dev/vc/0 ] && chown $USER /dev/vc/0
else
for dev in /dev/dsp /dev/dsp1 /dev/mixer \
/dev/ts /dev/fb0
do
permin( $dev )
done
fi
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