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 1.7 2007/05/13 22:25:41 swildner Exp $
32 # REQUIRE: initdiskless rcconf mountcritlocal
33 # BEFORE: addswap random
35 if [ -r /etc/rc.subr ]; then
40 dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
41 [ ${dlv:=0} -eq 0 ] && exit 0
45 # Provide a function for normalizing the mounting of memory filesystems.
49 /sbin/mount_tmpfs -s $1 tmpfs $2
52 # If there is a global system configuration file, suck it in.
54 if [ -r /etc/rc.subr ]; then
57 elif [ -r /etc/defaults/rc.conf ]; then
58 . /etc/defaults/rc.conf
60 elif [ -r /etc/rc.conf ]; then
64 # If we do not have a writable /var, create a memory
65 # filesystem for /var. We don't have /usr yet so
66 # use mkdir instead of touch to test. We want mount
67 # to record its mounts so we have to make sure /var/db
68 # exists before doing the mount -a.
70 if (/bin/mkdir /var/.diskless 2> /dev/null); then
73 echo "+++ mount_md of /var"
74 mount_md ${varsize:=16M} /var
77 if [ ! -d /var/db ]; then
81 # Now we need the rest of our mounts, particularly /usr
83 mount -a # chown and chgrp are in /usr
87 echo "+++ populate /var using /etc/mtree/BSD.var.dist"
88 /usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
89 case ${sendmail_enable} in
93 /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
97 echo "+++ create log files based on the contents of /etc/newsyslog.conf"
98 LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf`
99 if [ -n "$LOGFILES" ]; then
100 /usr/bin/touch $LOGFILES
103 echo "+++ create lastlog"
104 /usr/bin/touch /var/log/lastlog
106 # XXX make sure to create one dir for each printer as requested by lpd
108 # If we do not have a writable /tmp, create a memory
109 # filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp,
110 # then it should already be writable).
112 if (/bin/mkdir /tmp/.diskless 2> /dev/null); then
116 echo "*** /tmp is a symlink to a non-writable area!"
117 echo "dropping into shell, ^D to continue anyway."
120 mount_md ${tmpsize:=10M} /tmp
125 # generate our hostname
127 if [ -z "`hostname -s`" ]; then
128 hostname=`/usr/bin/kenv dhcp.host-name`
130 echo "Hostname is $hostname"
133 # if the info is available via dhcp/kenv
134 # build the resolv.conf
136 if [ ! -e /etc/resolv.conf ]; then
137 echo domain `/usr/bin/kenv dhcp.domain-name` > /etc/resolv.conf
139 set `/usr/bin/kenv dhcp.domain-name-servers`
140 for ns in `IFS=','; echo $*`; do
141 echo nameserver $ns >> /etc/resolv.conf;