1#!/bin/sh 2# 3# Copyright (c) 2000-2004 The FreeBSD Project 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# System startup script run by init on autoboot 28# or after single-user. 29# Output and error are redirected to console by init, 30# and the console is the controlling terminal. 31 32# Note that almost all of the user-configurable behavior is no longer in 33# this file, but rather in /etc/defaults/rc.conf. Please check that file 34# first before contemplating any changes here. If you do need to change 35# this file for some reason, we would like to know about it. 36 37stty status '^T' 2> /dev/null 38 39# Set shell to ignore SIGINT (2), but not children; 40# shell catches SIGQUIT (3) and returns to single user. 41# 42trap : 2 43trap "echo 'Boot interrupted'; exit 1" 3 44 45HOME=/ 46PATH=/sbin:/bin:/usr/sbin:/usr/bin 47export HOME PATH 48 49if [ "$1" = autoboot ]; then 50 autoboot=yes 51 _boot="faststart" 52 rc_fast=yes # run_rc_command(): do fast booting 53else 54 autoboot=no 55 _boot="quietstart" 56fi 57 58_localbase=`/sbin/sysctl -n user.localbase 2> /dev/null` 59 60dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null` 61if [ ${dlv:=0} -ne 0 -o -f /etc/diskless ]; then 62 sh /etc/rc.initdiskless 63fi 64 65# Run these after determining whether we are booting diskless in order 66# to minimize the number of files that are needed on a diskless system, 67# and to make the configuration file variables available to rc itself. 68# 69# -o verify has no effect if mac_veriexec is not active 70set -o verify 71. /etc/rc.subr 72set +o verify 73load_rc_config $rc_config_xtra 74 75if have DebugOn; then 76 # allow DEBUG_SH to be set from loader prompt 77 export DEBUG_SH=${DEBUG_SH:-$(kenv -q DEBUG_SH)} 78fi 79 80# If we receive a SIGALRM, re-source /etc/rc.conf; this allows rc.d 81# scripts to perform "boot-time configuration" including enabling and 82# disabling rc.d scripts which appear later in the boot order. 83trap "_rc_conf_loaded=false; load_rc_config" ALRM 84 85skip="-s nostart" 86if check_jail jailed; then 87 skip="$skip -s nojail" 88 if ! check_jail vnet; then 89 skip="$skip -s nojailvnet" 90 fi 91fi 92 93# If the firstboot sentinel doesn't exist, we want to skip firstboot scripts. 94if ! [ -e ${firstboot_sentinel} ]; then 95 skip_firstboot="-s firstboot" 96fi 97 98# Do a first pass to get everything up to $early_late_divider so that 99# we can do a second pass that includes $local_startup directories 100# 101unset system_rc 102find_system_scripts 103files=`rcorder ${skip} ${skip_firstboot} ${system_rc} 2>/dev/null` 104run_rc_scripts --break ${early_late_divider} ${rc_early_flags} $files 105 106unset files local_rc system_rc 107 108# Now that disks are mounted, for each dir in $local_startup 109# search for init scripts that use the new rc.d semantics. 110# 111case ${local_startup} in 112[Nn][Oo] | '') ;; 113*) find_local_scripts_new ;; 114esac 115 116# The firstboot sentinel might be on a newly mounted filesystem; look for it 117# again and unset skip_firstboot if we find it. 118if [ -e ${firstboot_sentinel} ]; then 119 skip_firstboot="" 120fi 121 122find_system_scripts 123files=`rcorder ${skip} ${skip_firstboot} ${system_rc} ${local_rc} 2>/dev/null` 124run_rc_scripts ${rc_late_flags} $files 125unset files local_rc system_rc 126 127# allow for more complicated setups 128if have run_rc_scripts_final; then 129 run_rc_scripts_final 130fi 131 132# Remove the firstboot sentinel, and reboot if it was requested. 133# Be a bit paranoid about removing it to handle the common failure 134# modes since the consequence of failure can be big. 135# Note: this assumes firstboot_sentinel is on / when we have 136# a read-only /, or that it is on media that's writable. 137if [ -e ${firstboot_sentinel} ]; then 138 checkyesno root_rw_mount || mount -uw / 139 chflags -R 0 ${firstboot_sentinel} 140 rm -rf ${firstboot_sentinel} 141 if [ -e ${firstboot_sentinel}-reboot ]; then 142 chflags -R 0 ${firstboot_sentinel}-reboot 143 rm -rf ${firstboot_sentinel}-reboot 144 checkyesno root_rw_mount || mount -ur / 145 kill -INT 1 146 fi 147 checkyesno root_rw_mount || mount -ur / 148fi 149 150echo '' 151date 152exit 0 153