rc.shutdown revision 98189
1#!/bin/sh 2# 3# Copyright (c) 1997 Ollivier Robert 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD: head/etc/rc.shutdown 98189 2002-06-13 22:30:02Z gordon $ 28# 29 30# Site-specific closing actions for daemons run by init on shutdown, 31# or before going single-user from multi-user. 32# Output and errors are directed to console by init, and the 33# console is the controlling terminal. 34 35stty status '^T' 36 37# Set shell to ignore SIGINT (2), but not children; 38# shell catches SIGQUIT (3) and returns to single user after fsck. 39trap : 2 40trap : 3 # shouldn't be needed 41 42HOME=/ 43PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin 44export HOME PATH 45 46# If there is a global system configuration file, suck it in. 47# XXX - It's only purpose is to catch rc_ng="YES". 48# 49if [ -r /etc/defaults/rc.conf ]; then 50 . /etc/defaults/rc.conf 51 source_rc_confs 52elif [ -r /etc/rc.conf ]; then 53 . /etc/rc.conf 54fi 55 56case ${rc_ng} in 57[Yy][Ee][Ss]) 58 . /etc/rc.subr 59 60 load_rc_config 'XXX' 61 62 # If requested, start a watchdog timer in the background which 63 # will terminate rc.shutdown if rc.shutdown doesn't complete 64 # within the specified time. 65 # 66 _rcshutdown_watchdog= 67 if [ -n "$rcshutdown_timeout" ]; then 68 debug "Initiating watchdog timer." 69 sleep $rcshutdown_timeout && ( 70 _msg="$rcshutdown_timeout second watchdog" \ 71 " timeout expired. Shutdown terminated." 72 logger -t rc.shutdown "$_msg" 73 echo "$_msg" 74 date 75 kill -KILL $$ >/dev/null 2>&1 76 ) & 77 _rcshutdown_watchdog=$! 78 fi 79 80 # Determine the shutdown order of the /etc/rc.d scripts, 81 # and perform the operation 82 # XXX - rcorder(8) with multiple -k switches works as a logical OR, 83 # so, we can't do this: rcorder -k shutdown -k FreeBSD. 84 # 85 files=`eval grep -l \'^# KEYWORD:.*FreeBSD\' \`rcorder -k shutdown /etc/rc.d/*\`` 86 87 for _rc_elem in `reverse_list $files`; do 88 debug "run_rc_script $_rc_elem stop" 89 run_rc_script $_rc_elem stop 90 done 91 92 # Terminate the background watchdog timer (if it is running) 93 # 94 if [ -n "$_rcshutdown_watchdog" ]; then 95 kill -TERM $_rcshutdown_watchdog >/dev/null 2>&1 96 fi 97 98 echo '.' 99 exit 0 100 ;; 101*) 102 # fall-through to the old rc scripts 103 ;; 104esac 105 106# reverse_list list 107# print the list in reverse order 108# 109reverse_list() 110{ 111 _revlist= 112 for _revfile in $*; do 113 _revlist="$_revfile${script_name_sep}$_revlist" 114 done 115 echo $_revlist 116} 117 118# Write some entropy so the rebooting /dev/random can reseed 119# 120case ${entropy_file} in 121[Nn][Oo] | '') 122 ;; 123*) 124 echo -n 'Writing entropy file:' 125 rm -f ${entropy_file} 126 oumask=`umask` 127 umask 077 128 if touch ${entropy_file} ; then 129 entropy_file_confirmed="${entropy_file}" 130 else 131 # Try this as a reasonable alternative for read-only 132 # roots, diskless workstations, etc. 133 rm -f /var/db/entropy 134 if touch /var/db/entropy ; then 135 entropy_file_confirmed=/var/db/entropy 136 fi 137 fi 138 case ${entropy_file_confirmed} in 139 '') 140 echo ' ERROR - entropy file write failed' 141 ;; 142 *) 143 dd if=/dev/random of=${entropy_file_confirmed} \ 144 bs=4096 count=1 2> /dev/null 145 echo '.' 146 ;; 147 esac 148 umask ${oumask} 149 ;; 150esac 151 152# Check if /var/db/mounttab is clean. 153case $1 in 154reboot) 155 if [ -f /var/db/mounttab ]; then 156 rpc.umntall 157 fi 158 ;; 159esac 160 161echo -n 'Shutting down daemon processes:' 162 163# for each valid dir in $local_startup, search for init scripts matching *.sh 164case ${local_startup} in 165[Nn][Oo] | '') 166 ;; 167*) 168 slist="" 169 if [ -z "${script_name_sep}" ]; then 170 script_name_sep=" " 171 fi 172 for dir in ${local_startup}; do 173 if [ -d "${dir}" ]; then 174 for script in ${dir}/*.sh; do 175 slist="${slist}${script_name_sep}${script}" 176 done 177 fi 178 done 179 script_save_sep="$IFS" 180 IFS="${script_name_sep}" 181 for script in `reverse_list ${slist}`; do 182 if [ -x "${script}" ]; then 183 (set -T 184 trap 'exit 1' 2 185 ${script} stop) 186 fi 187 done 188 IFS="${script_save_sep}" 189 echo '.' 190 ;; 191esac 192 193# Insert other shutdown procedures here 194 195# Saving firewall state tables should be done last 196echo -n 'Saving firewall state tables:' 197 198# Save IP-filter state tables 199case ${ipfs_enable} in 200[Yy][Ee][Ss]) 201 echo -n ' ipfs' 202 ${ipfs_program:-/sbin/ipfs} -W ${ipfs_flags} 203 ;; 204esac 205 206echo '.' 207exit 0 208