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 # - fill /conf/etc (writable) with files from /etc, and then update
34 # per-machine files from /conf/*/ where * is the IP of the host,
35 # the IP of the subnet, "default", or nothing.
36 # - mount /conf/etc over /etc so we can see the new files.
38 # WARNING: i thing you should not change /etc/rc or strange things could
41 # The operator is in charge of setting /conf/*/etc/* things as appropriate.
42 # Typically rc.conf and fstab need to be changed, but possibly
43 # also other files such as inetd.conf etc.
47 # Routine to check for error
49 # checks error code and drops into shell on failure.
50 # if shell exits, terminates script as well as /etc/rc.
57 echo "$2 failed: dropping into /bin/sh"
68 # Figure out our interface and IP.
74 for i in ${iflist} ; do
76 while [ $# -ge 1 ] ; do
77 if [ "${bootp_ifc}" = "" -a "$1" = "inet" ] ; then
78 bootp_ifc=${i} ; bootp_ipa=${2} ; shift
80 if [ "${bootp_ipbca}" = "" -a "$1" = "broadcast" ] ; then
85 if [ "${bootp_ifc}" != "" ] ; then
89 echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
91 # Files in /etc are copied to /conf/etc which is writable. Then
92 # per-machine configs from /conf/ip.address/etc are copied onto this
93 # directory. First choice is using the client's IP, then the client's
94 # broadcast address, then a default configuration.
95 # This way we have some flexibility to handle clusters of machines
96 # on separate subnets.
98 # WARNING! null mounts cannot handle mmap, and since many programs
99 # use mmap (such as 'cp'), we have to copy.
101 mount_mfs -s 2048 -T qp120at dummy /conf/etc
102 cp -Rp /etc/* /conf/etc
103 chkerr $? "MFS mount on /conf/etc"
105 # Pick up default, network-specific, and host-specific config, in that
108 if [ -d /conf/default/etc/ ]; then
109 cp -Rp /conf/default/etc/* /conf/etc
112 if [ -d /conf/${bootp_ipbca} ] ; then
113 cp -Rp /conf/${bootp_ipbca}/etc/* /conf/etc
116 if [ -d /conf/${bootp_ipa} ] ; then
117 cp -Rp /conf/${bootp_ipa}/etc/* /conf/etc
120 # Make the new directory available as /etc
122 mount_null /conf/etc /etc
124 # Tell /etc/rc to run the specified script after
125 # it does its mounts but before it does anything
128 # This script is responsible for setting up the
129 # diskless mount environment. This can be
130 # overriden by /conf/ME/rc.conf.local if, for
131 # example, you do not want to run the standard
132 # system /etc/rc.diskless2
134 diskless_mount="/etc/rc.diskless2"