xref: /freebsd/libexec/rc/rc.d/var (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
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
42populate_var()
43{
44	/usr/sbin/mtree -deiU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
45	case ${sendmail_enable} in
46	[Nn][Oo][Nn][Ee])
47		;;
48	*)
49		/usr/sbin/mtree -deiU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
50		;;
51	esac
52}
53
54# If we do not have a writable /var, create a memory filesystem for /var
55# unless told otherwise by rc.conf.  We don't have /usr yet so use mkdir
56# instead of touch to test.  We want mount to record its mounts so we
57# have to make sure /var/db exists before doing the mount -a.
58#
59case "${varmfs}" in
60[Yy][Ee][Ss])
61	mount_md ${varsize} /var "${varmfs_flags}"
62	;;
63[Nn][Oo])
64	;;
65*)
66	if /bin/mkdir -p /var/.diskless 2> /dev/null; then
67		rmdir /var/.diskless
68	else
69		mount_md ${varsize} /var "${varmfs_flags}"
70	fi
71esac
72
73
74# If we have an empty looking /var, populate it, but only if we have
75# /usr available.  Hopefully, we'll eventually find a workaround, but
76# in realistic diskless setups, we're probably ok.
77case "${populate_var}" in
78[Yy][Ee][Ss])
79	populate_var
80	;;
81[Nn][Oo])
82	exit 0
83	;;
84*)
85	if [ -d /var/run -a -d /var/db -a -d /var/empty ] ; then
86		true
87	elif [ -x /usr/sbin/mtree ] ; then
88		populate_var
89	else
90		# We need mtree to populate /var so try mounting /usr.
91		# If this does not work, we can not boot so it is OK to
92		# try to mount out of order.
93		mount /usr
94		if [ ! -x /usr/sbin/mtree ] ; then
95			exit 1
96		else
97			populate_var
98		fi
99	fi
100	;;
101esac
102
103# Make sure we have /var/log/utx.lastlogin and /var/log/utx.log files
104if [ ! -f /var/log/utx.lastlogin ]; then
105	cp /dev/null /var/log/utx.lastlogin
106	chmod 644 /var/log/utx.lastlogin
107fi
108if [ ! -f /var/log/utx.log ]; then
109	cp /dev/null /var/log/utx.log
110	chmod 644 /var/log/utx.log
111fi
112