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" 36desc="Configure tmpfs" 37stop_cmd=':' 38 39load_rc_config $name 40 41mount_tmpmfs() 42{ 43 if ! /bin/df /tmp | grep -q "^/dev/md[0-9].* /tmp"; then 44 if test -w /tmp/. && checkyesno tmpmfs_clear_mnt; then 45 (cd /tmp/. && rm -rf .* *) 46 fi 47 mount_md ${tmpsize} /tmp "${tmpmfs_flags}" 48 chmod 01777 /tmp 49 fi 50} 51 52# If we do not have a writable /tmp, create a memory 53# filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp, 54# then it should already be writable). 55# 56case "${tmpmfs}" in 57[Aa][Uu][Tt][Oo]) 58 if _tmpdir=$(mktemp -d -q /tmp/.diskless.XXXXXX); then 59 rmdir ${_tmpdir} 60 else 61 if [ -h /tmp ]; then 62 echo "*** /tmp is a symlink to a non-writable area!" 63 echo "dropping into shell, ^D to continue anyway." 64 /bin/sh 65 else 66 mount_tmpmfs 67 fi 68 fi 69 ;; 70*) 71 if checkyesno tmpmfs; then 72 mount_tmpmfs 73 fi 74 ;; 75esac 76