Fix various paths in rc.d/diskless and friends.
[dragonfly.git] / etc / rc.d / diskless
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1#!/bin/sh
2#
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3# Copyright (c) 1999 Matt Dillon
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
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.
14#
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
25# SUCH DAMAGE.
26#
9c600e7d 27# $FreeBSD: src/etc/rc.d/diskless,v 1.25 2003/02/15 16:34:14 jhay Exp $
abacd09f 28# $DragonFly: src/etc/rc.d/diskless,v 1.6 2007/04/26 23:34:27 dillon Exp $
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29#
30
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31# PROVIDE: diskless
32# REQUIRE: initdiskless rcconf mountcritlocal
33# BEFORE: addswap random
9c600e7d 34
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35if [ -r /etc/rc.subr ]; then
36 . /etc/rc.subr
37 dummy_rc_command "$1"
38fi
39
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40dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
41[ ${dlv:=0} -eq 0 ] && exit 0
42
abacd09f 43name="diskless"
984263bc 44
abacd09f 45# Provide a function for normalizing the mounting of memory filesystems.
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46# $1 = size
47# $2 = mount point
48# $3 = (optional) bytes-per-inode
49mount_md() {
50 if [ -n "$3" ]; then
51 bpi="-i $3"
52 fi
abacd09f 53 /sbin/mount_mfs $bpi -s $1 swap $2
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54}
55
56# If there is a global system configuration file, suck it in.
57#
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58if [ -r /etc/rc.subr ]; then
59 . /etc/rc.subr
60 load_rc_config $name
61elif [ -r /etc/defaults/rc.conf ]; then
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62 . /etc/defaults/rc.conf
63 source_rc_confs
64elif [ -r /etc/rc.conf ]; then
65 . /etc/rc.conf
66fi
67
68# If we do not have a writable /var, create a memory
69# filesystem for /var. We don't have /usr yet so
70# use mkdir instead of touch to test. We want mount
71# to record its mounts so we have to make sure /var/db
72# exists before doing the mount -a.
73#
74if (/bin/mkdir /var/.diskless 2> /dev/null); then
9c600e7d 75 rmdir /var/.diskless
984263bc 76else
9c600e7d 77 echo "+++ mount_md of /var"
abacd09f 78 mount_md ${varsize:=32768} /var
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79fi
80
81if [ ! -d /var/db ]; then
82 mkdir /var/db
83fi
84
9c600e7d 85# Now we need the rest of our mounts, particularly /usr
984263bc 86#
9c600e7d 87mount -a # chown and chgrp are in /usr
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88
89# Populate /var
90#
91echo "+++ populate /var using /etc/mtree/BSD.var.dist"
92/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null
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93case ${sendmail_enable} in
94[Nn][Oo][Nn][Ee])
95 ;;
96*)
97 /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null
98 ;;
99esac
100
101echo "+++ create log files based on the contents of /etc/newsyslog.conf"
102LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf`
103if [ -n "$LOGFILES" ]; then
104 /usr/bin/touch $LOGFILES
105fi
106
107echo "+++ create lastlog"
108/usr/bin/touch /var/log/lastlog
109
110# Make sure our aliases database is uptodate, the aliases may have
111# been overriden in /conf.
112#
113/usr/bin/newaliases
114
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115# XXX make sure to create one dir for each printer as requested by lpd
116#
117# If we do not have a writable /tmp, create a memory
118# filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp,
119# then it should already be writable).
120#
121if (/bin/mkdir /tmp/.diskless 2> /dev/null); then
122 rmdir /tmp/.diskless
123else
124 if [ -h /tmp ]; then
125 echo "*** /tmp is a symlink to a non-writable area!"
126 echo "dropping into shell, ^D to continue anyway."
127 /bin/sh
128 else
129 mount_md ${tmpsize:=20480} /tmp
130 chmod 01777 /tmp
131 fi
132fi
133
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134if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then
135 # we have DEVFS, no worries...
136 true
137elif (/bin/mkdir /dev/.diskless 2> /dev/null); then
138 # if /dev is writable assume it has already been populated
abacd09f 139 # via rc.d/diskless
9c600e7d 140 #
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141 rmdir /dev/.diskless
142else
9c600e7d 143 (cd /; find -x dev | cpio -o -H newc) > /tmp/dev.tmp
984263bc 144 mount_md 4096 /dev 512
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145 (cd /; cpio -i -H newc -d < /tmp/dev.tmp)
146 rm -f /tmp/dev.tmp
147fi
148
149# generate our hostname
150#
151if [ -z "`hostname -s`" ]; then
abacd09f 152 hostname=`/usr/bin/kenv dhcp.host-name`
f6d60b69 153 hostname $hostname
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154 echo "Hostname is $hostname"
155fi
156
157# if the info is available via dhcp/kenv
158# build the resolv.conf
159#
160if [ ! -e /etc/resolv.conf ]; then
abacd09f 161 echo domain `/usr/bin/kenv dhcp.domain-name` > /etc/resolv.conf
9c600e7d 162
abacd09f 163 set `/usr/bin/kenv dhcp.domain-name-servers`
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164 for ns in `IFS=','; echo $*`; do
165 echo nameserver $ns >> /etc/resolv.conf;
166 done
984263bc 167fi