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#	@(#)rc	5.27 (Berkeley) 6/5/91
28# $FreeBSD$
29#
30
31# System startup script run by init on autoboot
32# or after single-user.
33# Output and error are redirected to console by init,
34# and the console is the controlling terminal.
35
36# Note that almost all of the user-configurable behavior is no longer in
37# this file, but rather in /etc/defaults/rc.conf.  Please check that file
38# first before contemplating any changes here.  If you do need to change
39# this file for some reason, we would like to know about it.
40
41stty status '^T' 2> /dev/null
42
43# Set shell to ignore SIGINT (2), but not children;
44# shell catches SIGQUIT (3) and returns to single user.
45#
46trap : 2
47trap "echo 'Boot interrupted'; exit 1" 3
48
49HOME=/
50PATH=/sbin:/bin:/usr/sbin:/usr/bin
51export HOME PATH
52
53if [ "$1" = autoboot ]; then
54	autoboot=yes
55	_boot="faststart"
56	rc_fast=yes        # run_rc_command(): do fast booting
57else
58	autoboot=no
59	_boot="quietstart"
60fi
61
62dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
63if [ ${dlv:=0} -ne 0 -o -f /etc/diskless ]; then
64	sh /etc/rc.initdiskless
65fi
66
67# Run these after determining whether we are booting diskless in order
68# to minimize the number of files that are needed on a diskless system,
69# and to make the configuration file variables available to rc itself.
70#
71. /etc/rc.subr
72load_rc_config 'XXX'
73
74# If we receive a SIGALRM, re-source /etc/rc.conf; this allows rc.d
75# scripts to perform "boot-time configuration" including enabling and
76# disabling rc.d scripts which appear later in the boot order.
77trap "_rc_conf_loaded=false; load_rc_config 'XXX'" ALRM
78
79skip="-s nostart"
80if [ `/sbin/sysctl -n security.jail.jailed` -eq 1 ]; then
81	skip="$skip -s nojail"
82	if [ "$early_late_divider" = "FILESYSTEMS" ]; then
83		early_late_divider=NETWORKING
84	fi
85	if [ `/sbin/sysctl -n security.jail.vnet` -ne 1 ]; then
86		skip="$skip -s nojailvnet"
87	fi
88fi
89
90# If the firstboot sentinel doesn't exist, we want to skip firstboot scripts.
91if ! [ -e ${firstboot_sentinel} ]; then
92	skip_firstboot="-s firstboot"
93fi
94
95# Do a first pass to get everything up to $early_late_divider so that
96# we can do a second pass that includes $local_startup directories
97#
98files=`rcorder ${skip} ${skip_firstboot} /etc/rc.d/* 2>/dev/null`
99
100_rc_elem_done=' '
101for _rc_elem in ${files}; do
102	run_rc_script ${_rc_elem} ${_boot}
103	_rc_elem_done="${_rc_elem_done}${_rc_elem} "
104
105	case "$_rc_elem" in
106	*/${early_late_divider})	break ;;
107	esac
108done
109
110unset files local_rc
111
112# Now that disks are mounted, for each dir in $local_startup
113# search for init scripts that use the new rc.d semantics.
114#
115case ${local_startup} in
116[Nn][Oo] | '') ;;
117*)	find_local_scripts_new ;;
118esac
119
120# The firstboot sentinel might be on a newly mounted filesystem; look for it
121# again and unset skip_firstboot if we find it.
122if [ -e ${firstboot_sentinel} ]; then
123	skip_firstboot=""
124fi
125
126files=`rcorder ${skip} ${skip_firstboot} /etc/rc.d/* ${local_rc} 2>/dev/null`
127for _rc_elem in ${files}; do
128	case "$_rc_elem_done" in
129	*" $_rc_elem "*)	continue ;;
130	esac
131
132	run_rc_script ${_rc_elem} ${_boot}
133done
134
135# Remove the firstboot sentinel, and reboot if it was requested.
136if [ -e ${firstboot_sentinel} ]; then
137	rm ${firstboot_sentinel}
138	if [ -e ${firstboot_sentinel}-reboot ]; then
139		rm ${firstboot_sentinel}-reboot
140		kill -INT 1
141	fi
142fi
143
144echo ''
145date
146exit 0
147