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: tmp
31# REQUIRE: mountcritremote
32
33. /etc/rc.subr
34
35name="tmp"
36stop_cmd=':'
37
38load_rc_config $name
39
40mount_tmpmfs ()
41{
42	if ! /bin/df /tmp | grep -q "^/dev/md[0-9]"; then
43		mount_md ${tmpsize} /tmp "${tmpmfs_flags}"
44		chmod 01777 /tmp
45	fi
46}
47
48# If we do not have a writable /tmp, create a memory
49# filesystem for /tmp.  If /tmp is a symlink (e.g. to /var/tmp,
50# then it should already be writable).
51#
52case "${tmpmfs}" in
53[Aa][Uu][Tt][Oo])
54	if _tmpdir=$(mktemp -d -q /tmp/.diskless.XXXXXX); then
55		rmdir ${_tmpdir}
56	else
57		if [ -h /tmp ]; then
58			echo "*** /tmp is a symlink to a non-writable area!"
59			echo "dropping into shell, ^D to continue anyway."
60			/bin/sh
61		else
62			mount_tmpmfs
63		fi
64	fi
65	;;
66*)
67	if checkyesno tmpmfs; then
68		mount_tmpmfs
69	fi
70	;;
71esac
72