xref: /freebsd/libexec/rc/rc.d/var (revision a0409676120c1e558d0ade943019934e0f15118d)
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# $FreeBSD$
28#
29
30# PROVIDE: var
31# REQUIRE: mountcritlocal
32
33# NFS /var is not supported, unless NFS /var is part of diskless NFS /
34
35. /etc/rc.subr
36
37name="var"
38desc="Populate /var directory"
39stop_cmd=':'
40
41load_rc_config $name
42
43populate_var()
44{
45	/usr/sbin/mtree -deiU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
46	case ${sendmail_enable} in
47	[Nn][Oo][Nn][Ee])
48		;;
49	*)
50		/usr/sbin/mtree -deiU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
51		;;
52	esac
53}
54
55# If we do not have a writable /var, create a memory filesystem for /var
56# unless told otherwise by rc.conf.  We don't have /usr yet so use mkdir
57# instead of touch to test.  We want mount to record its mounts so we
58# have to make sure /var/db exists before doing the mount -a.
59#
60case "${varmfs}" in
61[Yy][Ee][Ss])
62	mount_md ${varsize} /var "${varmfs_flags}"
63	;;
64[Nn][Oo])
65	;;
66*)
67	if /bin/mkdir -p /var/.diskless 2> /dev/null; then
68		rmdir /var/.diskless
69	else
70		mount_md ${varsize} /var "${varmfs_flags}"
71	fi
72esac
73
74
75# If we have an empty looking /var, populate it, but only if we have
76# /usr available.  Hopefully, we'll eventually find a workaround, but
77# in realistic diskless setups, we're probably ok.
78case "${populate_var}" in
79[Yy][Ee][Ss])
80	populate_var
81	;;
82[Nn][Oo])
83	exit 0
84	;;
85*)
86	if [ -d /var/run -a -d /var/db -a -d /var/empty ] ; then
87		true
88	elif [ -x /usr/sbin/mtree ] ; then
89		populate_var
90	else
91		# We need mtree to populate /var so try mounting /usr.
92		# If this does not work, we can not boot so it is OK to
93		# try to mount out of order.
94		mount /usr
95		if [ ! -x /usr/sbin/mtree ] ; then
96			exit 1
97		else
98			populate_var
99		fi
100	fi
101	;;
102esac
103
104# Make sure we have /var/log/utx.lastlogin and /var/log/utx.log files
105if [ ! -f /var/log/utx.lastlogin ]; then
106	cp /dev/null /var/log/utx.lastlogin
107	chmod 644 /var/log/utx.lastlogin
108fi
109if [ ! -f /var/log/utx.log ]; then
110	cp /dev/null /var/log/utx.log
111	chmod 644 /var/log/utx.log
112fi
113