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#! /bin/bash
# Implement blacklisting for udev-loaded modules
[ $# -ne 1 ] && exit 1
. /etc/rc.conf
# grab modules from rc.conf
BLACKLIST="${MOD_BLACKLIST[@]}"
if [ -f /proc/cmdline ]; then
for cmd in $(cat /proc/cmdline); do
case $cmd in
*=*) eval $cmd ;;
esac
done
#parse cmdline entries of the form "disablemodules=x,y,z"
if [ -n "$disablemodules" ]; then
BLACKLIST="$BLACKLIST $(echo $disablemodules | sed 's|,| |g')"
fi
if [ "$load_modules" == "off" ]; then
MOD_AUTOLOAD="no"
fi
fi
#MODULES entries in rc.conf that begin with ! are blacklisted
for mod in ${MODULES[@]}; do
if [ "${mod}" != "${mod#!}" ]; then
BLACKLIST="$BLACKLIST ${mod#!}"
fi
done
if [ "$MOD_AUTOLOAD" = "yes" -o "$MOD_AUTOLOAD" = "YES" ]; then
if [ -n "$BLACKLIST" ]; then
depmods="$(/sbin/modprobe -i --show-depends $1)"
if [ $? -ne 0 ]; then
/usr/bin/logger -p info "cannot find module $1"
exit 1
fi
#sanitize our module names
depmods="$(echo "$depmods" | sed \
-e "s#^insmod /lib.*/\(.*\)\.ko.*#\1#g" \
-e 's|-|_|g')"
for mod in $depmods; do
if echo $BLACKLIST | /bin/grep "\<$mod\>" 2>&1 >/dev/null; then
/usr/bin/logger -p info "udev load-modules: $1 is blacklisted"
exit 1
fi
done
fi
/sbin/modprobe $1
else
#/usr/bin/logger -p info \
echo \
"udev load-modules: autoloading is disabled, not loading $1"
fi
# vim: set et ts=4:
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