freebsd-dev/etc/rc.shutdown

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#!/bin/sh
#
# Copyright (c) 1997 Ollivier Robert
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
1999-08-27 23:37:10 +00:00
# $FreeBSD$
#
# Site-specific closing actions for daemons run by init on shutdown,
# or before going single-user from multi-user.
# Output and errors are directed to console by init, and the
# console is the controlling terminal.
stty status '^T'
# Set shell to ignore SIGINT (2), but not children;
# shell catches SIGQUIT (3) and returns to single user after fsck.
trap : 2
trap : 3 # shouldn't be needed
HOME=/
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
export HOME PATH
# If there is a global system configuration file, suck it in.
# XXX - It's only purpose is to catch rc_ng="YES".
#
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
source_rc_confs
elif [ -r /etc/rc.conf ]; then
. /etc/rc.conf
fi
case ${rc_ng} in
[Yy][Ee][Ss])
. /etc/rc.subr
load_rc_config 'XXX'
# If requested, start a watchdog timer in the background which
# will terminate rc.shutdown if rc.shutdown doesn't complete
# within the specified time.
#
_rcshutdown_watchdog=
if [ -n "$rcshutdown_timeout" ]; then
debug "Initiating watchdog timer."
sleep $rcshutdown_timeout && (
_msg="$rcshutdown_timeout second watchdog" \
" timeout expired. Shutdown terminated."
logger -t rc.shutdown "$_msg"
echo "$_msg"
date
kill -KILL $$ >/dev/null 2>&1
) &
_rcshutdown_watchdog=$!
fi
# Determine the shutdown order of the /etc/rc.d scripts,
# and perform the operation
# XXX - rcorder(8) with multiple -k switches works as a logical OR,
# so, we can't do this: rcorder -k shutdown -k FreeBSD.
#
2002-09-19 20:14:50 +00:00
files=`eval grep -l \'^# KEYWORD:.*FreeBSD\' \`rcorder -k shutdown /etc/rc.d/* 2>/dev/null\``
for _rc_elem in `reverse_list $files`; do
debug "run_rc_script $_rc_elem stop"
run_rc_script $_rc_elem stop
done
# Terminate the background watchdog timer (if it is running)
#
if [ -n "$_rcshutdown_watchdog" ]; then
kill -TERM $_rcshutdown_watchdog >/dev/null 2>&1
fi
echo '.'
exit 0
;;
*)
# fall-through to the old rc scripts
;;
esac
# reverse_list list
# print the list in reverse order
#
reverse_list()
{
_revlist=
for _revfile in $*; do
_revlist="$_revfile${script_name_sep}$_revlist"
done
echo $_revlist
}
# Write some entropy so the rebooting /dev/random can reseed
#
case ${entropy_file} in
[Nn][Oo] | '')
;;
*)
echo -n 'Writing entropy file:'
rm -f ${entropy_file}
oumask=`umask`
umask 077
if touch ${entropy_file} ; then
entropy_file_confirmed="${entropy_file}"
else
# Try this as a reasonable alternative for read-only
# roots, diskless workstations, etc.
rm -f /var/db/entropy
if touch /var/db/entropy ; then
entropy_file_confirmed=/var/db/entropy
fi
fi
case ${entropy_file_confirmed} in
'')
echo ' ERROR - entropy file write failed'
;;
*)
dd if=/dev/random of=${entropy_file_confirmed} \
bs=4096 count=1 2> /dev/null
echo '.'
;;
esac
umask ${oumask}
;;
esac
# Check if /var/db/mounttab is clean.
case $1 in
reboot)
if [ -f /var/db/mounttab ]; then
rpc.umntall
fi
;;
esac
echo -n 'Shutting down daemon processes:'
# for each valid dir in $local_startup, search for init scripts matching *.sh
case ${local_startup} in
[Nn][Oo] | '')
;;
*)
slist=""
if [ -z "${script_name_sep}" ]; then
script_name_sep=" "
fi
for dir in ${local_startup}; do
if [ -d "${dir}" ]; then
for script in ${dir}/*.sh; do
slist="${slist}${script_name_sep}${script}"
done
fi
done
script_save_sep="$IFS"
IFS="${script_name_sep}"
for script in `reverse_list ${slist}`; do
if [ -x "${script}" ]; then
(set -T
trap 'exit 1' 2
${script} stop)
fi
done
IFS="${script_save_sep}"
echo '.'
;;
esac
# Insert other shutdown procedures here
# Saving firewall state tables should be done last
echo -n 'Saving firewall state tables:'
# Save IP-filter state tables
case ${ipfs_enable} in
[Yy][Ee][Ss])
echo -n ' ipfs'
${ipfs_program:-/sbin/ipfs} -W ${ipfs_flags}
;;
esac
echo '.'
exit 0