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# Copyright (c) 1999 Matt Dillon
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
#
# rc.diskless2
#
# Provide a function for normalizing the mounting of memory
# filesystems. This should allow the rest of the code here to remain
# as close as possible between 5-current and 4-stable.
# $1 = size
# $2 = mount point
# $3 = md unit number (ignored in pre 5.0 systems)
# $4 = (optional) bytes-per-inode
mount_md() {
if [ -n "$4" ]; then
bpi="-i $4"
fi
/sbin/mdconfig -a -t malloc -s $1 -u $3
/sbin/disklabel -r -w md$3 auto
/sbin/newfs $bpi /dev/md$3c
/sbin/mount /dev/md$3c $2
}
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
source_rc_confs
elif [ -r /etc/rc.conf ]; then
. /etc/rc.conf
fi
# If we do not have a writable /var, create a memory
# filesystem for /var. We don't have /usr yet so
# use mkdir instead of touch to test. We want mount
# to record its mounts so we have to make sure /var/db
# exists before doing the mount -a.
#
if (/bin/mkdir /var/.diskless 2> /dev/null); then
rmdir /var/.diskless
else
echo "+++ mount_md of /var"
mount_md ${varsize:=32m} /var 1
fi
if [ ! -d /var/db ]; then
mkdir /var/db
fi
# Now we need the rest of our mounts, particularly /usr
#
mount -a # chown and chgrp are in /usr
# Populate /var
#
echo "+++ populate /var using /etc/mtree/BSD.var.dist"
/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
case ${sendmail_enable} in
[Nn][Oo][Nn][Ee])
;;
*)
/usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
;;
esac
echo "+++ create log files based on the contents of /etc/newsyslog.conf"
LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf`
if [ -n "$LOGFILES" ]; then
/usr/bin/touch $LOGFILES
fi
echo "+++ create lastlog"
/usr/bin/touch /var/log/lastlog
# Make sure our aliases database is uptodate, the aliases may have
# been overriden in /conf.
#
/usr/bin/newaliases
# XXX make sure to create one dir for each printer as requested by lpd
#
# If we do not have a writable /tmp, create a memory
# filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp,
# then it should already be writable).
#
if (/bin/mkdir /tmp/.diskless 2> /dev/null); then
rmdir /tmp/.diskless
else
if [ -h /tmp ]; then
echo "*** /tmp is a symlink to a non-writable area!"
echo "dropping into shell, ^D to continue anyway."
/bin/sh
else
mount_md ${tmpsize:=20480} /tmp 2
chmod 01777 /tmp
fi
fi
if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
# we have DEVFS, no worries...
true
elif (/bin/mkdir /dev/.diskless 2> /dev/null); then
# if /dev is writable assume it has already been populated
# via rc.diskless1
#
rmdir /dev/.diskless
else
(cd /; find -x dev | cpio -o -H newc) > /tmp/dev.tmp
mount_md 4096 /dev 3 512
(cd /; cpio -i -H newc -d < /tmp/dev.tmp)
rm -f /tmp/dev.tmp
fi
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