| rc.initdiskless (75101) | rc.initdiskless (75746) |
|---|---|
| 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. --- 8 unchanged lines hidden (view full) --- 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# | 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. --- 8 unchanged lines hidden (view full) --- 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 75101 2001-04-03 00:24:01Z bsd $ | 25# $FreeBSD: head/etc/rc.initdiskless 75746 2001-04-20 23:10:11Z bsd $ |
| 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 | 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# - 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. | 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 |
| 37# 38# WARNING: i thing you should not change /etc/rc or strange things could 39# happen. 40# 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. 44 --- 37 unchanged lines hidden (view full) --- 82 fi 83 shift 84 done 85 if [ "${bootp_ifc}" != "" ] ; then 86 break 87 fi 88done 89echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}" | 38# 39# WARNING: i thing you should not change /etc/rc or strange things could 40# happen. 41# 42# The operator is in charge of setting /conf/*/etc/* things as appropriate. 43# Typically rc.conf and fstab need to be changed, but possibly 44# also other files such as inetd.conf etc. 45 --- 37 unchanged lines hidden (view full) --- 83 fi 84 shift 85 done 86 if [ "${bootp_ifc}" != "" ] ; then 87 break 88 fi 89done 90echo "Interface ${bootp_ifc} IP-Address ${bootp_ipa} Broadcast ${bootp_ipbca}" |
| 90 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. 97# 98# WARNING! null mounts cannot handle mmap, and since many programs 99# use mmap (such as 'cp'), we have to copy. 100# 101mount_mfs -s 2048 -T qp120at dummy /conf/etc 102cp -Rp /etc/* /conf/etc 103chkerr $? "MFS mount on /conf/etc" | |
| 104 | 91 |
| 105# Pick up default, network-specific, and host-specific config, in that 106# order | |
| 107 | 92 |
| 108if [ -d /conf/default/etc/ ]; then 109 cp -Rp /conf/default/etc/* /conf/etc 110fi | 93# Create an MFS /tmp to temporarily hold files from /etc until we 94# can bootstrap /etc as an MFS. |
| 111 | 95 |
| 112if [ -d /conf/${bootp_ipbca} ] ; then 113 cp -Rp /conf/${bootp_ipbca}/etc/* /conf/etc 114fi | 96/sbin/mount_mfs -s 4096 -T qp120at dummy /tmp 97chkerr $? "MFS mount on /tmp" 98/bin/cp -Rp /etc /tmp 99chkerr $? "cp /etc to /tmp/etc MFS" |
| 115 | 100 |
| 116if [ -d /conf/${bootp_ipa} ] ; then 117 cp -Rp /conf/${bootp_ipa}/etc/* /conf/etc 118fi | 101/sbin/mount_mfs -s 4096 -T qp120at dummy /etc 102chkerr $? "MFS mount on /etc" 103/bin/chmod 755 /etc |
| 119 | 104 |
| 120# Make the new directory available as /etc | 105/bin/cp -Rp /tmp/etc/* /etc 106chkerr $? "cp /tmp/etc to /etc MFS" 107 108rm -rf /tmp/etc 109/sbin/umount /tmp 110 111 112# Allow for override files to replace files in /etc. Use /conf/*/etc 113# to find the override files. First choice is default files that 114# always override, then files that from the directory that matches the 115# client's broadcast address, finally followed by overrides that match 116# the client's IP address. |
| 121# | 117# |
| 122mount_null /conf/etc /etc | 118# This way we have some flexibility to handle clusters of machines 119# on separate subnets. 120# |
| 123 | 121 |
| 122for i in default ${bootp_ipbca} ${bootp_ipa} ; do 123 if [ -d /conf/${i}/etc ]; then 124 cp -Rp /conf/${i}/etc/* /etc 125 fi 126done 127 |
|
| 124# Tell /etc/rc to run the specified script after 125# it does its mounts but before it does anything 126# else. 127# 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 133 134diskless_mount="/etc/rc.diskless2" | 128# Tell /etc/rc to run the specified script after 129# it does its mounts but before it does anything 130# else. 131# 132# This script is responsible for setting up the 133# diskless mount environment. This can be 134# overriden by /conf/ME/rc.conf.local if, for 135# example, you do not want to run the standard 136# system /etc/rc.diskless2 137 138diskless_mount="/etc/rc.diskless2" |