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 $rc_config_xtra
74
75# If we receive a SIGALRM, re-source /etc/rc.conf; this allows rc.d
76# scripts to perform "boot-time configuration" including enabling and
77# disabling rc.d scripts which appear later in the boot order.
78trap "_rc_conf_loaded=false; load_rc_config" ALRM
79
80skip="-s nostart"
81if [ `/sbin/sysctl -n security.jail.jailed` -eq 1 ]; then
82	skip="$skip -s nojail"
83	if [ `/sbin/sysctl -n security.jail.vnet` -ne 1 ]; then
84		skip="$skip -s nojailvnet"
85	fi
86fi
87
88# If the firstboot sentinel doesn't exist, we want to skip firstboot scripts.
89if ! [ -e ${firstboot_sentinel} ]; then
90	skip_firstboot="-s firstboot"
91fi
92
93# Do a first pass to get everything up to $early_late_divider so that
94# we can do a second pass that includes $local_startup directories
95#
96unset system_rc
97find_system_scripts
98files=`rcorder ${skip} ${skip_firstboot} ${system_rc} 2>/dev/null`
99run_rc_scripts --break ${early_late_divider} ${rc_early_flags} $files
100
101unset files local_rc system_rc
102
103# Now that disks are mounted, for each dir in $local_startup
104# search for init scripts that use the new rc.d semantics.
105#
106case ${local_startup} in
107[Nn][Oo] | '') ;;
108*)	find_local_scripts_new ;;
109esac
110
111# The firstboot sentinel might be on a newly mounted filesystem; look for it
112# again and unset skip_firstboot if we find it.
113if [ -e ${firstboot_sentinel} ]; then
114	skip_firstboot=""
115fi
116
117find_system_scripts
118files=`rcorder ${skip} ${skip_firstboot} ${system_rc} ${local_rc} 2>/dev/null`
119run_rc_scripts ${rc_late_flags} $files
120unset files local_rc system_rc
121
122# allow for more complicated setups
123if have run_rc_scripts_final; then
124        run_rc_scripts_final
125fi
126
127# Remove the firstboot sentinel, and reboot if it was requested.
128# Be a bit paranoid about removing it to handle the common failure
129# modes since the consequence of failure can be big.
130# Note: this assumes firstboot_sentinel is on / when we have
131# a read-only /, or that it is on media that's writable.
132if [ -e ${firstboot_sentinel} ]; then
133	checkyesno root_rw_mount || mount -uw /
134	chflags -R 0 ${firstboot_sentinel}
135	rm -rf ${firstboot_sentinel}
136	if [ -e ${firstboot_sentinel}-reboot ]; then
137		chflags -R 0 ${firstboot_sentinel}-reboot
138		rm -rf ${firstboot_sentinel}-reboot
139		checkyesno root_rw_mount || mount -ur /
140		kill -INT 1
141	fi
142	checkyesno root_rw_mount || mount -ur /
143fi
144
145echo ''
146date
147exit 0
148