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rc.initdiskless (95280) rc.initdiskless (100280)
1#!/bin/sh
2#
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#
3# Copyright (c) 1999 Matt Dillion
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.

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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#
25# $FreeBSD: head/etc/rc.initdiskless 95280 2002-04-22 21:42:18Z obrien $
27# $FreeBSD: head/etc/rc.initdiskless 100280 2002-07-18 05:00:17Z gordon $
26#
27
28#
29
30# PROVIDE: initdiskless
31# KEYWORD: FreeBSD
32
33dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
34[ ${dlv:=0} -eq 0 ] && exit 0
35
28#
36#
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#
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
43#
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.
47
48# chkerr:
49#
50# Routine to check for error
51#
52# checks error code and drops into shell on failure.
53# if shell exits, terminates script as well as /etc/rc.
54#
49chkerr() {
55chkerr()
56{
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
57 case $1 in
58 0)
59 ;;
60 *)
61 echo "$2 failed: dropping into /bin/sh"
62 /bin/sh
63 # RESUME
64 ;;
65 esac
66}
67
61mount_md() {
68mount_md()
69{
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
70 /sbin/mdconfig -a -t malloc -s $1 -u $3
71 /sbin/disklabel -r -w md$3 auto
72 /sbin/newfs /dev/md$3c
73 /sbin/mount /dev/md$3c $2
74}
75
76# DEBUGGING
77#

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96 done
97 if [ "${bootp_ifc}" != "" ] ; then
98 break
99 fi
100done
101echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}"
102
103if [ -z "`hostname -s`" ]; then
96 hostname=`kenv dhcp.host-name`
97 hostname $hostname
104 hostname=`kenv dhcp.host-name`
105 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
106 echo "Hostname is $hostname"
107fi
108
109if [ -d /conf/default/etc ]; then
110 mount_md 4096 /etc 0
111 chkerr $? "MFS mount on /etc"
112 /bin/chmod 755 /etc
113

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129 fi
130done
131
132#
133# if the info is available via dhcp/kenv
134# build the resolv.conf
135#
136if [ ! -e /etc/resolv.conf ]; then
129 echo domain `kenv dhcp.domain-name` > /etc/resolv.conf
137 echo domain `kenv dhcp.domain-name` > /etc/resolv.conf
130
138
131 set `kenv dhcp.domain-name-servers`
132 for ns in `IFS=','; echo $*`; do
133 echo nameserver $ns >> /etc/resolv.conf;
134 done
139 set `kenv dhcp.domain-name-servers`
140 for ns in `IFS=','; echo $*`; do
141 echo nameserver $ns >> /etc/resolv.conf;
142 done
135fi
143fi
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"