1 # Copyright (c) 1999 Matt Dillion
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
29 # /etc/rc.diskless1 - general BOOTP startup
31 # BOOTP has mounted / for us. Assume a read-only mount. We must then
32 # - figure out our IP by querying the interface
33 # - copy /etc temporarily out of the way to /tmp/etc
34 # - mount /etc as an MFS
35 # - repopulate /etc with the saved off copy
36 # - override files in /etc with files from /conf/*/etc where
37 # '*' is default, netmask of client, ip-address of client
39 # WARNING: i thing you should not change /etc/rc or strange things could
42 # The operator is in charge of setting /conf/*/etc/* things as appropriate.
43 # Typically rc.conf and fstab need to be changed, but possibly
44 # also other files such as inetd.conf etc.
48 # Routine to check for error
50 # checks error code and drops into shell on failure.
51 # if shell exits, terminates script as well as /etc/rc.
58 echo "$2 failed: dropping into /bin/sh"
66 /sbin/mdconfig -a -t malloc -s $1 -u $3
67 /sbin/disklabel -r -w md$3 auto
68 /sbin/newfs /dev/md$3c
69 /sbin/mount /dev/md$3c $2
76 # Figure out our interface and IP.
82 for i in ${iflist} ; do
84 while [ $# -ge 1 ] ; do
85 if [ "${bootp_ifc}" = "" -a "$1" = "inet" ] ; then
86 bootp_ifc=${i} ; bootp_ipa=${2} ; shift
88 if [ "${bootp_ipbca}" = "" -a "$1" = "broadcast" ] ; then
93 if [ "${bootp_ifc}" != "" ] ; then
97 echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
100 # Create an MFS /tmp to temporarily hold files from /etc until we
101 # can bootstrap /etc as an MFS.
105 chkerr $? "MFS mount on /tmp"
106 /bin/cp -Rp /etc /tmp
107 chkerr $? "cp /etc to /tmp/etc MFS"
110 chkerr $? "MFS mount on /etc"
113 /bin/cp -Rp /tmp/etc/* /etc
114 chkerr $? "cp /tmp/etc to /etc MFS"
118 /sbin/mdconfig -d -u 0
120 # Allow for override files to replace files in /etc. Use /conf/*/etc
121 # to find the override files. First choice is default files that
122 # always override, then files that from the directory that matches the
123 # client's broadcast address, finally followed by overrides that match
124 # the client's IP address.
126 # This way we have some flexibility to handle clusters of machines
127 # on separate subnets.
130 for i in default ${bootp_ipbca} ${bootp_ipa} ; do
131 if [ -d /conf/${i}/etc ]; then
132 cp -Rp /conf/${i}/etc/* /etc
136 # Tell /etc/rc to run the specified script after
137 # it does its mounts but before it does anything
140 # This script is responsible for setting up the
141 # diskless mount environment. This can be
142 # overriden by /conf/ME/rc.conf.local if, for
143 # example, you do not want to run the standard
144 # system /etc/rc.diskless2
146 diskless_mount="/etc/rc.diskless2"