xref: /freebsd/libexec/rc/rc.d/var (revision f99f0ee14e3af81c23150a6a340259ca8a33d01a)
1#!/bin/sh
2#
3# Copyright (c) 1999  Matt Dillon
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#
28
29# PROVIDE: var
30# REQUIRE: mountcritlocal
31
32# NFS /var is not supported, unless NFS /var is part of diskless NFS /
33
34. /etc/rc.subr
35
36name="var"
37desc="Populate /var directory"
38stop_cmd=':'
39
40load_rc_config $name
41
42# doesn't make sense to run in a svcj: mounting
43var_svcj="NO"
44
45populate_var()
46{
47	/usr/sbin/mtree -deiU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
48	case ${sendmail_enable} in
49	[Nn][Oo][Nn][Ee])
50		;;
51	*)
52		/usr/sbin/mtree -deiU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
53		;;
54	esac
55}
56
57# If we do not have a writable /var, create a memory filesystem for /var
58# unless told otherwise by rc.conf.  We don't have /usr yet so use mkdir
59# instead of touch to test.  We want mount to record its mounts so we
60# have to make sure /var/db exists before doing the mount -a.
61#
62case "${varmfs}" in
63[Yy][Ee][Ss])
64	mount_md ${varsize} /var "${varmfs_flags}"
65	;;
66[Nn][Oo])
67	;;
68*)
69	if /bin/mkdir -p /var/.diskless 2> /dev/null; then
70		rmdir /var/.diskless
71	else
72		mount_md ${varsize} /var "${varmfs_flags}"
73	fi
74esac
75
76
77# If we have an empty looking /var, populate it, but only if we have
78# /usr available.  Hopefully, we'll eventually find a workaround, but
79# in realistic diskless setups, we're probably ok.
80case "${populate_var}" in
81[Yy][Ee][Ss])
82	populate_var
83	;;
84[Nn][Oo])
85	exit 0
86	;;
87*)
88	if [ -d /var/run -a -d /var/db -a -d /var/empty ] ; then
89		true
90	elif [ -x /usr/sbin/mtree ] ; then
91		populate_var
92	else
93		# We need mtree to populate /var so try mounting /usr.
94		# If this does not work, we can not boot so it is OK to
95		# try to mount out of order.
96		mount /usr
97		if [ ! -x /usr/sbin/mtree ] ; then
98			exit 1
99		else
100			populate_var
101		fi
102	fi
103	;;
104esac
105
106# Make sure we have /var/log/utx.lastlogin and /var/log/utx.log files
107if [ ! -f /var/log/utx.lastlogin ]; then
108	cp /dev/null /var/log/utx.lastlogin
109	chmod 644 /var/log/utx.lastlogin
110fi
111if [ ! -f /var/log/utx.log ]; then
112	cp /dev/null /var/log/utx.log
113	chmod 644 /var/log/utx.log
114fi
115