1# Copyright (c) 1999 Matt Dillion
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions
6# are met:
7# 1. Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.

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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
23# SUCH DAMAGE.
24#
25# $FreeBSD: head/etc/rc.initdiskless 95280 2002-04-22 21:42:18Z obrien $
26#
27
28#
29# /etc/rc.diskless1 - general BOOTP startup
30#
31# BOOTP has mounted / for us. Assume a read-only mount. We must then
32# - figure out our IP by querying the interface
33# - mount /etc as an MFS
34# - populate /etc from /conf/default version
35# - override files in /etc with files from /conf/*/etc where
36# '*' is default, netmask of client, ip-address of client
37#
38# The operator is in charge of setting /conf/*/etc/* things as appropriate.
39# Typically rc.conf and fstab need to be changed, but possibly also other
40# files such as inetd.conf etc.
41
42# chkerr:
43#
44# Routine to check for error
45#
46# checks error code and drops into shell on failure.
47# if shell exits, terminates script as well as /etc/rc.
48#
49chkerr() {
50 case $1 in
51 0)
52 ;;
53 *)
54 echo "$2 failed: dropping into /bin/sh"
55 /bin/sh
56 # RESUME
57 ;;
58 esac
59}
60
61mount_md() {
62 /sbin/mdconfig -a -t malloc -s $1 -u $3
63 /sbin/disklabel -r -w md$3 auto
64 /sbin/newfs /dev/md$3c
65 /sbin/mount /dev/md$3c $2
66}
67
68# DEBUGGING
69#

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88 done
89 if [ "${bootp_ifc}" != "" ] ; then
90 break
91 fi
92done
93echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
94
95if [ -z "`hostname -s`" ]; then
96 hostname=`kenv dhcp.host-name`
97 hostname $hostname
98 echo "Hostname is $hostname"
99fi
100
101if [ -d /conf/default/etc ]; then
102 mount_md 4096 /etc 0
103 chkerr $? "MFS mount on /etc"
104 /bin/chmod 755 /etc
105

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121 fi
122done
123
124#
125# if the info is available via dhcp/kenv
126# build the resolv.conf
127#
128if [ ! -e /etc/resolv.conf ]; then
129 echo domain `kenv dhcp.domain-name` > /etc/resolv.conf
130
131 set `kenv dhcp.domain-name-servers`
132 for ns in `IFS=','; echo $*`; do
133 echo nameserver $ns >> /etc/resolv.conf;
134 done
135fi
136
137# Tell /etc/rc to run the specified script after it does its mounts but
138# before it does anything else.
139#
140# This script is responsible for setting up the diskless mount environment.
141# This can be overriden by /conf/ME/rc.conf.local if, for example, you do not
142# want to run the standard system /etc/rc.diskless2
143
144diskless_mount="/etc/rc.diskless2"