1 # Copyright (c) 1999 Matt Dillon
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # 2. Redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution.
13 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 # $FreeBSD: src/etc/rc.diskless2,v 1.5.2.14 2002/12/23 17:39:06 dillon Exp $
32 # Provide a function for normalizing the mounting of memory
33 # filesystems. This should allow the rest of the code here to remain
34 # as close as possible between 5-current and 4-stable.
37 # $3 = (optional) bytes-per-inode
42 /sbin/mount_mfs -s $1 -T qp120at -b 8192 -f 1024 $bpi dummy $2
45 # If there is a global system configuration file, suck it in.
47 if [ -r /etc/defaults/rc.conf ]; then
48 . /etc/defaults/rc.conf
50 elif [ -r /etc/rc.conf ]; then
54 # If we do not have a writable /var, create a memory
55 # filesystem for /var. We don't have /usr yet so
56 # use mkdir instead of touch to test. We want mount
57 # to record its mounts so we have to make sure /var/db
58 # exists before doing the mount -a.
60 if (/bin/mkdir /var/.diskless 2> /dev/null); then
63 echo "+++ mfs_mount of /var"
64 mount_md ${varsize:=65536} /var
67 if [ ! -d /var/db ]; then
71 # Now we need the rest of our mounts, particularly /usr.
77 echo "+++ populate /var using /etc/mtree/BSD.var.dist"
78 /usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
80 case ${sendmail_enable} in
84 /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
88 echo "+++ create log files based on the contents of /etc/newsyslog.conf"
89 LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf`
90 if [ -n "$LOGFILES" ]; then
91 /usr/bin/touch $LOGFILES
94 echo "+++ create lastlog"
95 /usr/bin/touch /var/log/lastlog
97 # Make sure our aliases database is uptodate, the aliases may have
98 # been overriden in /conf.
103 # XXX make sure to create one dir for each printer as requested by lpd
105 # If we do not have a writable /tmp, create a memory
106 # filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp,
107 # then it should already be writable).
109 if (/bin/mkdir /tmp/.diskless 2> /dev/null); then
113 echo "*** /tmp is a symlink to a non-writable area!"
114 echo "dropping into shell, ^D to continue anyway."
117 mount_md ${tmpsize:=20480} /tmp
122 # If /dev has already been created in rc.diskless1 it will be writable
123 # and we do nothing. If /dev is not writable then we have to dup it as
124 # a memory filesystem.
126 # note: /conf/dev.cpio.gz is no longer valid. Use /conf/base/dev.cpio.gz
127 # instead and it will be handled in rc.diskless1
129 if (/bin/mkdir /dev/.diskless 2> /dev/null); then
132 (cd /; find -x dev | cpio --create -H newc | gzip) > /tmp/dev.cpio.gz
133 mount_md 4096 /dev 512
134 (cd /; gzip -dc /tmp/dev.cpio.gz | cpio --extract -H newc -d )
135 rm -f /tmp/dev.cpio.gz