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|
#!/bin/sh -
#
# $OpenBSD: netstart,v 1.10 1996/09/04 10:25:55 deraadt Exp $
# set these to "NO" to turn them off. otherwise, they're used as flags
routed_flags=-q
mrouted_flags=NO # for 'normal' use: mrouted_flags=""
rarpd_flags=NO # for 'normal' use: rarpd_flags="-a"
bootparamd_flags=NO # for 'normal' use: bootparamd_flags=""
rbootd_flags=NO # for 'normal' use: rbootd_flags=""
sendmail_flags=NO # for 'normal' use: sendmail_flags="-bd -q30m"
named_flags=NO # for 'normal' use: named_flags=""
timed_flags=
# set the following to "YES" to turn them on
rwhod=NO
nfs_server=NO
nfs_client=NO
gated=NO
kerberos_server=NO
amd=NO
ipfilter=NO
portmap=YES # almost always needed
inetd=YES # almost always needed
lpd=NO # printing daemons
# miscellaneous other flags
# only used if the appropriate server is marked YES above
gated_flags=
amd_dir=/amd # AMD's mount directory
amd_master=/etc/amd/master # AMD 'master' map
ipfilter_rules=/etc/ipf.rules # Rules for IP packet filtering
ipmon_flags=-s # To disable logging, use ipmon_flags=NO
# /etc/myname contains my symbolic name
#
hostname=`cat /etc/myname`
hostname $hostname
if [ -f /etc/defaultdomain ]; then
domainname `cat /etc/defaultdomain`
fi
# Configure the IP filter before configuring network interfaces
#
if [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then
echo 'configuring IP filter'
ipf -Fa -f ${ipfilter_rules} -E
else
ipfilter=NO
fi
# configure all of the interfaces which we know about.
# do this by reading /etc/hostname.* files, where * is the name
# of a given interface.
#
# these files are formatted like the following, but with no # at the
# beginning of the line
#
# addr_family hostname netmask broadcast_addr options
# dest dest_addr
#
# addr_family is the address family of the interface, generally inet
# hostname is the host name that belongs to the interface, in /etc/hosts.
# netmask is the network mask for the interface.
# broadcast_addr is the broadcast address for the interface
# options are misc. options to ifconfig for the interface.
#
# dest is simply the string "dest" (no quotes, though) if the interface
# has a "destination" (i.e. it's a point-to-point link, like SLIP).
# dest_addr is the hostname of the other end of the link, in /etc/hosts
#
# the only required contents of the file are the addr_family field
# and the hostname.
(
tmp="$IFS"
IFS="$IFS."
set -- `echo /etc/hostname*`
IFS=$tmp
unset tmp
while [ $# -ge 2 ] ; do
shift # get rid of "hostname"
(
read af name mask bcaddr extras
read dt dtaddr
if [ ! -n "$name" ]; then
echo "/etc/hostname.$1: invalid network configuration file"
exit
fi
cmd="ifconfig $1 $af $name "
if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
cmd="$cmd broadcast $bcaddr";
fi
cmd="$cmd $extras"
$cmd
) < /etc/hostname.$1
shift
done
)
# set the address for the loopback interface
ifconfig lo0 inet localhost
# use loopback, not the wire
route add $hostname localhost
route add -net 127 127.0.0.1 -reject
# default multicast route
route add -net 224.0.0.0 -interface $hostname
# /etc/mygate, if it exists, contains the name of my gateway host
# that name must be in /etc/hosts.
if [ -f /etc/mygate ]; then
route add default `cat /etc/mygate`
fi
# /etc/ifaliases, if it exists, contains the names of additional IP
# addresses for each interface. It is formatted as a series of lines
# that contain
# interface address netmask
if [ -f /etc/ifaliases ]; then
(
# delete comments and blank lines
set -- `sed -e 's/#.*$//' /etc/ifaliases | grep -v '^$'`
while [ $# -ge 3 ] ; do
ifconfig $1 inet alias $2 netmask $3
route add $2 localhost
shift 3
done
)
fi
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