openrc/init.d.Linux/procfs

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#!/sbin/runscript
# Copyright 2007-2008 Roy Marples
# All rights reserved
description="Mounts misc filesystems in /proc."
depend()
{
need checkfs
}
start()
{
# Make sure we insert usbcore if its a module
if [ -f /proc/modules -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 the NFS daemon status
if [ -d /proc/fs/nfsd ] && ! mountinfo -q /proc/fs/nfsd; then
if grep -qs nfsd /proc/filesystems; then
ebegin "Mounting nfsd filesystem"
mount -t nfsd -o nodev,noexec,nosuid \
nfsd /proc/fs/nfsd
eend $?
fi
fi
# Setup Kernel Support for miscellaneous Binary Formats
if [ -d /proc/sys/fs/binfmt_misc ] && ! mountinfo -q /proc/sys/fs/binfmt_misc; 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
eend $?
fi
fi
# Setup Kernel Support for securityfs
if [ -d /sys/kernel/security ] && ! mountinfo -q /sys/kernel/security; then
if grep -qs securityfs /proc/filesystems; then
ebegin "Mounting security filesystem"
mount -t securityfs -o nodev,noexec,nosuid \
securityfs /sys/kernel/security
eend $?
fi
fi
# Setup Kernel Support for debugfs
if [ -d /sys/kernel/debug ] && ! mountinfo -q /sys/kernel/debug; then
if grep -qs debugfs /proc/filesystems; then
ebegin "Mounting debug filesystem"
mount -t debugfs -o nodev,noexec,nosuid \
debugfs /sys/kernel/debug
eend $?
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
}