openrc/init.d/procfs.in
Mike Frysinger fb485366e6 procfs: simplify the binfmt_misc mount check
Replace the `mountinfo` exec with a file test of the register file
which we rely on later anyways.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-09-18 16:01:28 -04:00

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#!@PREFIX@/sbin/runscript
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
description="Mounts misc filesystems in /proc."
depend()
{
use modules devfs
need localmount
keyword -openvz -prefix -vserver -lxc
}
start()
{
# Make sure we insert usbcore if it's a module
if [ -f /proc/modules -a ! -d /sys/module/usbcore -a ! -d /proc/bus/usb ]; then
modprobe -q usbcore
fi
[ -e /proc/filesystems ] || return 0
# Check what USB fs the kernel support. Currently
# 2.5+ kernels, and later 2.4 kernels have 'usbfs',
# while older kernels have 'usbdevfs'.
if [ -d /proc/bus/usb -a ! -e /proc/bus/usb/devices ]; then
local usbfs=$(grep -Fow usbfs /proc/filesystems ||
grep -Fow usbdevfs /proc/filesystems)
if [ -n "$usbfs" ]; then
ebegin "Mounting USB device filesystem [$usbfs]"
local usbgid="$(getent group usb | \
sed -e 's/.*:.*:\(.*\):.*/\1/')"
mount -t $usbfs \
-o ${usbgid:+devmode=0664,devgid=$usbgid,}noexec,nosuid \
usbfs /proc/bus/usb
eend $?
fi
fi
# Setup Kernel Support for miscellaneous Binary Formats
if [ -d /proc/sys/fs/binfmt_misc -a ! -e /proc/sys/fs/binfmt_misc/register ]; then
if grep -qs binfmt_misc /proc/filesystems; then
ebegin "Mounting misc binary format filesystem"
mount -t binfmt_misc -o nodev,noexec,nosuid \
binfmt_misc /proc/sys/fs/binfmt_misc
if eend $? ; then
local fmts
ebegin "Loading custom binary format handlers"
fmts=$(grep -hsv -e '^[#;]' -e '^[[:space:]]*$' \
/run/binfmt.d/*.conf \
"/etc"/binfmt.d/*.conf \
""/usr/lib/binfmt.d/*.conf)
if [ -n "${fmts}" ]; then
echo "${fmts}" > /proc/sys/fs/binfmt_misc/register
fi
eend $?
fi
fi
fi
# Setup Kernel Support for SELinux
if [ -d /selinux ] && ! mountinfo -q /selinux; then
if grep -qs selinuxfs /proc/filesystems; then
ebegin "Mounting SELinux filesystem"
mount -t selinuxfs selinuxfs /selinux
eend $?
fi
fi
return 0
}