3 # Copyright (c) 1999 Matt Dillon
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
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.
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
27 # $FreeBSD: src/etc/rc.d/diskless,v 1.25 2003/02/15 16:34:14 jhay Exp $
28 # $DragonFly: src/etc/rc.d/diskless,v 1.4 2004/01/26 17:21:15 rob Exp $
32 # REQUIRE: initdiskless rcconf mountcritlocal
33 # BEFORE: addswap random
36 if [ -r /etc/rc.subr ]; then
41 dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
42 [ ${dlv:=0} -eq 0 ] && exit 0
46 # Provide a function for normalizing the mounting of memory
47 # filesystems. This should allow the rest of the code here to remain
48 # as close as possible between 5-current and 4-stable.
51 # $3 = (optional) bytes-per-inode
56 /sbin/mdmfs $bpi -s $1 -M md $2
59 # If there is a global system configuration file, suck it in.
61 if [ -r /etc/rc.subr ]; then
64 elif [ -r /etc/defaults/rc.conf ]; then
65 . /etc/defaults/rc.conf
67 elif [ -r /etc/rc.conf ]; then
71 # If we do not have a writable /var, create a memory
72 # filesystem for /var. We don't have /usr yet so
73 # use mkdir instead of touch to test. We want mount
74 # to record its mounts so we have to make sure /var/db
75 # exists before doing the mount -a.
77 if (/bin/mkdir /var/.diskless 2> /dev/null); then
80 echo "+++ mount_md of /var"
81 mount_md ${varsize:=32m} /var
84 if [ ! -d /var/db ]; then
88 # Now we need the rest of our mounts, particularly /usr
90 mount -a # chown and chgrp are in /usr
94 echo "+++ populate /var using /etc/mtree/BSD.var.dist"
95 /usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
96 case ${sendmail_enable} in
100 /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
104 echo "+++ create log files based on the contents of /etc/newsyslog.conf"
105 LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf`
106 if [ -n "$LOGFILES" ]; then
107 /usr/bin/touch $LOGFILES
110 echo "+++ create lastlog"
111 /usr/bin/touch /var/log/lastlog
113 # Make sure our aliases database is uptodate, the aliases may have
114 # been overriden in /conf.
118 # XXX make sure to create one dir for each printer as requested by lpd
120 # If we do not have a writable /tmp, create a memory
121 # filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp,
122 # then it should already be writable).
124 if (/bin/mkdir /tmp/.diskless 2> /dev/null); then
128 echo "*** /tmp is a symlink to a non-writable area!"
129 echo "dropping into shell, ^D to continue anyway."
132 mount_md ${tmpsize:=20480} /tmp
137 if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
138 # we have DEVFS, no worries...
140 elif (/bin/mkdir /dev/.diskless 2> /dev/null); then
141 # if /dev is writable assume it has already been populated
146 (cd /; find -x dev | cpio -o -H newc) > /tmp/dev.tmp
147 mount_md 4096 /dev 512
148 (cd /; cpio -i -H newc -d < /tmp/dev.tmp)
152 # generate our hostname
154 if [ -z "`hostname -s`" ]; then
155 hostname=`/bin/kenv dhcp.host-name`
157 echo "Hostname is $hostname"
160 # if the info is available via dhcp/kenv
161 # build the resolv.conf
163 if [ ! -e /etc/resolv.conf ]; then
164 echo domain `/bin/kenv dhcp.domain-name` > /etc/resolv.conf
166 set `/bin/kenv dhcp.domain-name-servers`
167 for ns in `IFS=','; echo $*`; do
168 echo nameserver $ns >> /etc/resolv.conf;