# 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: src/etc/rc.diskless2,v 1.5.2.14 2002/12/23 17:39:06 dillon Exp $ # $DragonFly: src/etc/Attic/rc.diskless2,v 1.2 2003/06/17 04:24:45 dillon Exp $ # # # 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 = (optional) bytes-per-inode mount_md() { if [ -n "$3" ]; then bpi="-i $3" fi /sbin/mount_mfs -s $1 -T qp120at -b 8192 -f 1024 $bpi dummy $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 "+++ mfs_mount of /var" mount_md ${varsize:=65536} /var fi if [ ! -d /var/db ]; then mkdir /var/db fi # Now we need the rest of our mounts, particularly /usr. # mount -a # 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 chmod 01777 /tmp fi fi # If /dev has already been created in rc.diskless1 it will be writable # and we do nothing. If /dev is not writable then we have to dup it as # a memory filesystem. # # note: /conf/dev.cpio.gz is no longer valid. Use /conf/base/dev.cpio.gz # instead and it will be handled in rc.diskless1 if (/bin/mkdir /dev/.diskless 2> /dev/null); then rmdir /dev/.diskless else (cd /; find -x dev | cpio --create -H newc | gzip) > /tmp/dev.cpio.gz mount_md 4096 /dev 512 (cd /; gzip -dc /tmp/dev.cpio.gz | cpio --extract -H newc -d ) rm -f /tmp/dev.cpio.gz fi