diff options
Diffstat (limited to 'sys-fs/udev/files/151-r4/udev-mount.initd')
-rwxr-xr-x | sys-fs/udev/files/151-r4/udev-mount.initd | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sys-fs/udev/files/151-r4/udev-mount.initd b/sys-fs/udev/files/151-r4/udev-mount.initd new file mode 100755 index 000000000000..4acdf0981841 --- /dev/null +++ b/sys-fs/udev/files/151-r4/udev-mount.initd @@ -0,0 +1,119 @@ +#!/sbin/runscript +# Copyright 1999-2008 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +description="Mount tmpfs on /dev" +[ -e /etc/conf.d/udev ] && . /etc/conf.d/udev + +# get_KV and KV_to_int +. /lib/udev/shell-compat-KV.sh + +# FIXME +# Instead of this script testing kernel version, udev itself should +# Maybe something like udevd --test || exit $? +check_kernel() +{ + if [ $(get_KV) -lt $(KV_to_int '%KV_MIN%') ]; then + eerror "Your kernel is too old to work with this version of udev." + eerror "Current udev only supports Linux kernel %KV_MIN% and newer." + return 1 + fi + + yesno "${unreliable_kernel_warning:-yes}" || return 0 + + if [ $(get_KV) -lt $(KV_to_int '%KV_MIN_RELIABLE%') ]; then + ewarn "You need at least Linux kernel %KV_MIN_RELIABLE% for reliable operation of udev." + fi + return 0 +} + + +mount_dev_directory() +{ + if mountinfo -q /dev; then + einfo "/dev is already mounted" + return 0 + fi + + # No options are processed here as they should all be in /etc/fstab + ebegin "Mounting /dev" + if ! fstabinfo --mount /dev; then + # we mount devtmpfs if supported + local fs=tmpfs + grep -qs devtmpfs /proc/filesystems && fs=devtmpfs + + # Some devices require exec, Bug #92921 + mount -n -t "$fs" -o "exec,nosuid,mode=0755,size=10M" udev /dev + fi + eend $? +} + +seed_dev() +{ + # Seed /dev with some things that we know we need + + # creating /dev/console, /dev/tty and /dev/tty1 to be able to write + # to $CONSOLE with/without bootsplash before udevd creates it + [ -c /dev/console ] || mknod -m 600 /dev/console c 5 1 + [ -c /dev/tty1 ] || mknod -m 620 /dev/tty1 c 4 1 + [ -c /dev/tty ] || mknod -m 666 /dev/tty c 5 0 + + # udevd will dup its stdin/stdout/stderr to /dev/null + # and we do not want a file which gets buffered in ram + [ -c /dev/null ] || mknod -m 666 /dev/null c 1 3 + ${HAVE_SELINUX} && restorecon /dev/null + + # so udev can add its start-message to dmesg + [ -c /dev/kmsg ] || mknod -m 660 /dev/kmsg c 1 11 + + # copy over any persistant things + if [ -d /lib/udev/devices ]; then + cp -RPp /lib/udev/devices/* /dev 2>/dev/null + fi + + # Not provided by sysfs but needed + ln -snf /proc/self/fd /dev/fd + ln -snf fd/0 /dev/stdin + ln -snf fd/1 /dev/stdout + ln -snf fd/2 /dev/stderr + [ -e /proc/kcore ] && ln -snf /proc/kcore /dev/core + + # Create problematic directories + mkdir -p /dev/pts /dev/shm + ${HAVE_SELINUX} && restorecon -R /dev >/dev/null + return 0 +} + + +start() +{ + # do not run this on too old baselayout - udev-addon is already loaded! + if [ ! -f /etc/init.d/sysfs ]; then + eerror "The $SVCNAME init-script is written for baselayout-2!" + eerror "Please do not use it with baselayout-1!". + return 1 + fi + + _start +} + +_start() +{ + check_kernel || return 1 + mount_dev_directory || return 1 + + # Selinux lovin; /selinux should be mounted by selinux-patched init + if [ -x /sbin/restorecon -a -c /selinux/null ]; then + HAVE_SELINUX=true + restorecon /dev > /selinux/null + else + HAVE_SELINUX=false + fi + + # make sure it exists + mkdir -p /dev/.udev /dev/.udev/rules.d + + seed_dev + + return 0 +} |