openrc/init.d/bootmisc.in
2015-10-21 14:04:28 -05:00

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#!@SBINDIR@/openrc-run
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
# Released under the 2-clause BSD license.
depend()
{
need localmount
before logger
after clock root sysctl
keyword -prefix -timeout
}
: ${wipe_tmp:=${WIPE_TMP:-yes}}
: ${log_dmesg:=${LOG_DMESG:-yes}}
cleanup_tmp_dir()
{
local dir="$1"
if ! [ -d "$dir" ]; then
mkdir -p "$dir" || return $?
fi
checkpath -W "$dir" || return 1
chmod a+rwt "$dir" 2> /dev/null
cd "$dir" || return 1
if yesno $wipe_tmp; then
ebegin "Wiping $dir directory"
# Faster than raw find
if ! rm -rf -- [!ajlq\.]* 2>/dev/null ; then
# Blah, too many files
find . -maxdepth 1 -name '[!ajlq\.]*' -exec rm -rf -- {} +
fi
# pam_mktemp creates a .private directory within which
# each user gets a private directory with immutable
# bit set; remove the immutable bit before trying to
# remove it.
[ -d /tmp/.private ] && chattr -R -a /tmp/.private 2> /dev/null
# Prune the paths that are left
find . -maxdepth 1 \
! -name . \
! -name lost+found \
! -name quota.user \
! -name aquota.user \
! -name quota.group \
! -name aquota.group \
! -name journal \
-exec rm -rf -- {} +
eend 0
else
ebegin "Cleaning $dir directory"
rm -rf -- .X*-lock esrv* kio* \
jpsock.* .fam* .esd* \
orbit-* ssh-* ksocket-* \
.*-unix
eend 0
fi
}
cleanup_var_run_dir()
{
ebegin "Cleaning /var/run"
for x in $(find /var/run ! -type d ! -name utmp \
! -name random-seed ! -name dev.db \
! -name ld-elf.so.hints ! -name ld.so.hints);
do
# Clean stale sockets
if [ -S "$x" ]; then
if command -v fuser >/dev/null 2>&1; then
fuser "$x" >/dev/null 2>&1 || rm -- "$x"
else
rm -- "$x"
fi
fi
[ ! -f "$x" ] && continue
# Do not remove pidfiles of already running daemons
case "$x" in
*.pid)
start-stop-daemon --test --quiet \
--stop --pidfile "$x" && continue
;;
esac
rm -f -- "$x"
done
eend 0
}
mkutmp()
{
: >"$1"
# Not all systems have the utmp group
chgrp utmp "$1" 2>/dev/null
chmod 0664 "$1"
}
migrate_to_run()
{
src="$1"
dst="$2"
if [ -L $src -a "$(readlink -f $src)" != $dst ]; then
ewarn "$src does not point to $dst."
ewarn "Setting $src to point to $dst."
rm $src
elif [ ! -L $src -a -d $src ]; then
ebegin "Migrating $src to $dst"
cp -a $src/* $dst/
rm -rf $src
eend $?
fi
# If $src doesn't exist at all, just run this
if [ ! -e $src ]; then
ln -s $dst $src
fi
}
clean_run()
{
[ "$RC_SYS" = VSERVER -o "$RC_SYS" = LXC ] && return 0
local dir
# If / is still read-only due to a problem, this will fail!
if ! checkpath -W /; then
ewarn "/ is not writable; unable to clean up underlying /run"
return 1
fi
if ! checkpath -W /tmp; then
ewarn "/tmp is not writable; unable to clean up underlying /run"
return 1
fi
# Now we know that we can modify /tmp and /
# if mktemp -d fails, it returns an EMPTY string
# STDERR: mktemp: failed to create directory via template /tmp/tmp.XXXXXXXXXX: Read-only file system
# STDOUT: ''
rc=0
dir=$(mktemp -d)
if [ -n "$dir" -a -d $dir -a -w $dir ]; then
mount --bind / $dir && rm -rf $dir/run/* || rc=1
umount $dir && rmdir $dir
else
rc=1
fi
if [ $rc -ne 0 ]; then
ewarn "Could not clean up underlying /run on /"
return 1
fi
}
start()
{
# Remove any added console dirs
if checkpath -W "$RC_LIBEXECDIR"; then
rm -rf "$RC_LIBEXECDIR"/console/*
fi
local logw=false runw=false extra=
# Ensure that our basic dirs exist
if [ "$RC_UNAME" = Linux ]; then
# Satisfy Linux FHS
extra=/var/lib/misc
if [ ! -d /run ]; then
extra="/var/run $extra"
fi
else
extra=/var/run
fi
for x in /var/log /tmp $extra; do
if ! [ -d $x ]; then
if ! mkdir -p $x; then
eend 1 "failed to create needed directory $x"
return 1
fi
fi
done
if [ "$RC_UNAME" = Linux -a -d /run ]; then
migrate_to_run /var/lock /run/lock
migrate_to_run /var/run /run
clean_run
fi
if checkpath -W /var/run; then
ebegin "Creating user login records"
local xtra=
[ "$RC_UNAME" = NetBSD ] && xtra=x
for x in "" $xtra; do
mkutmp /var/run/utmp$x
done
[ -e /var/log/wtmp ] || mkutmp /var/log/wtmp
eend 0
mountinfo -q -f tmpfs /var/run || cleanup_var_run_dir
fi
# Clean up /tmp directories
local tmp=
for tmp in ${clean_tmp_dirs:-${wipe_tmp_dirs-/tmp}}; do
mountinfo -q -f tmpfs "$tmp" || cleanup_tmp_dir "$tmp"
done
if checkpath -W /tmp; then
# Make sure our X11 stuff have the correct permissions
# Omit the chown as bootmisc is run before network is up
# and users may be using lame LDAP auth #139411
rm -rf /tmp/.ICE-unix /tmp/.X11-unix
mkdir -p /tmp/.ICE-unix /tmp/.X11-unix
chmod 1777 /tmp/.ICE-unix /tmp/.X11-unix
if [ -x /sbin/restorecon ]; then
restorecon /tmp/.ICE-unix /tmp/.X11-unix
fi
fi
if yesno $log_dmesg; then
if $logw || checkpath -W /var/log; then
# Create an 'after-boot' dmesg log
case "$RC_SYS" in
VSERVER|OPENVZ|LXC|SYSTEMD-NSPAWN) ;;
*)
if yesno ${previous_dmesg:-no}; then
mv /var/log/dmesg /var/log/dmesg.old
fi
dmesg > /var/log/dmesg
chmod 640 /var/log/dmesg
;;
esac
fi
fi
return 0
}
stop()
{
# Write a halt record if we're shutting down
if [ "$RC_RUNLEVEL" = shutdown ]; then
[ "$RC_UNAME" = Linux ] && halt -w
if [ "$RC_SYS" = OPENVZ ]; then
yesno $RC_REBOOT && printf "" >/reboot
fi
fi
return 0
}
# vim: ft=sh