3 # Copyright (c) 1999 Matt Dillion
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
30 # PROVIDE: initdiskless
33 dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
34 [ ${dlv:=0} -eq 0 ] && exit 0
37 # BOOTP has mounted / for us. Assume a read-only mount. We must then
38 # - figure out our IP by querying the interface
39 # - mount /etc as an MFS
40 # - populate /etc from /conf/default version
41 # - override files in /etc with files from /conf/*/etc where
42 # '*' is default, netmask of client, ip-address of client
44 # The operator is in charge of setting /conf/*/etc/* things as appropriate.
45 # Typically rc.conf and fstab need to be changed, but possibly also other
46 # files such as inetd.conf etc.
50 # Routine to check for error
52 # checks error code and drops into shell on failure.
53 # if shell exits, terminates script as well as /etc/rc.
61 echo "$2 failed: dropping into /bin/sh"
70 /sbin/mdmfs -i 4096 -s $1 -M md$3 $2
77 # Figure out our interface and IP.
83 for i in ${iflist} ; do
85 while [ $# -ge 1 ] ; do
86 if [ "${bootp_ifc}" = "" -a "$1" = "inet" ] ; then
87 bootp_ifc=${i} ; bootp_ipa=${2} ; shift
89 if [ "${bootp_ipbca}" = "" -a "$1" = "broadcast" ] ; then
94 if [ "${bootp_ifc}" != "" ] ; then
98 echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
100 if [ -z "`hostname -s`" ]; then
101 hostname=`kenv dhcp.host-name`
103 echo "Hostname is $hostname"
106 if [ -d /conf/default/etc ]; then
108 chkerr $? "MFS mount on /etc"
111 /bin/cp -Rp /conf/default/etc/* /etc
112 chkerr $? "cp /conf/default/etc to /etc MFS"
115 # Allow for override files to replace files in /etc. Use /conf/*/etc to find
116 # the override files. First choice is default files that # always override,
117 # then files that from the directory that matches the client's broadcast
118 # address, finally followed by overrides that match the client's IP address.
120 # This way we have some flexibility to handle clusters of machines on
123 for i in ${bootp_ipbca} ${bootp_ipa} ${hostname} ; do
124 if [ -d /conf/${i}/etc ]; then
125 cp -Rp /conf/${i}/etc/* /etc
130 # if the info is available via dhcp/kenv
131 # build the resolv.conf
133 if [ ! -e /etc/resolv.conf ]; then
134 echo domain `kenv dhcp.domain-name` > /etc/resolv.conf
136 set `kenv dhcp.domain-name-servers`
137 for ns in `IFS=','; echo $*`; do
138 echo nameserver $ns >> /etc/resolv.conf;
142 exit 2 # Tell /etc/rc to re-source rc.conf