1df930be7Sderaadt#!/bin/sh - 2df930be7Sderaadt# 3*bd498c62Sderaadt# $OpenBSD: netstart,v 1.38 1998/05/22 04:25:50 deraadt Exp $ 4df930be7Sderaadt 5df930be7Sderaadt# /etc/myname contains my symbolic name 6df930be7Sderaadt# 7df930be7Sderaadthostname=`cat /etc/myname` 8df930be7Sderaadthostname $hostname 9df930be7Sderaadtif [ -f /etc/defaultdomain ]; then 10df930be7Sderaadt domainname `cat /etc/defaultdomain` 11df930be7Sderaadtfi 12df930be7Sderaadt 137fafbaa4Sderaadt# pick up option configuration 147fafbaa4Sderaadt. /etc/rc.conf 157fafbaa4Sderaadt 169a844b63Sdm# Configure the IP filter before configuring network interfaces 179a844b63Sdm# 189a844b63Sdmif [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then 199a844b63Sdm echo 'configuring IP filter' 209a844b63Sdm ipf -Fa -f ${ipfilter_rules} -E 219a844b63Sdmelse 229a844b63Sdm ipfilter=NO 239a844b63Sdmfi 249a844b63Sdm 25ead8d7f6Skstailey# Configure NAT before configuring network interfaces 26ead8d7f6Skstailey# 27ca8b9769Sderaadtif [ "${ipnat}" = "YES" -a "${ipfilter}" = "YES" -a -f "${ipnat_rules}" ]; then 28ead8d7f6Skstailey echo 'configuring NAT' 29ca8b9769Sderaadt ipnat -CF -f ${ipnat_rules} 30ead8d7f6Skstaileyelse 31ca8b9769Sderaadt ipnat=NO 32ead8d7f6Skstaileyfi 33ead8d7f6Skstailey 3498c28033Skstailey# set the address for the loopback interface 3598c28033Skstaileyifconfig lo0 inet localhost 36ead8d7f6Skstailey 3798c28033Skstailey# use loopback, not the wire 38*bd498c62Sderaadtroute -n add -host $hostname localhost 39*bd498c62Sderaadtroute -n add -net 127 127.0.0.1 -reject 4098c28033Skstailey 4198c28033Skstailey# configure all of the non-loopback interfaces which we know about. 42df930be7Sderaadt# do this by reading /etc/hostname.* files, where * is the name 43df930be7Sderaadt# of a given interface. 44df930be7Sderaadt# 45df930be7Sderaadt# these files are formatted like the following, but with no # at the 46df930be7Sderaadt# beginning of the line 47df930be7Sderaadt# 48df930be7Sderaadt# addr_family hostname netmask broadcast_addr options 49df930be7Sderaadt# dest dest_addr 50df930be7Sderaadt# 51df930be7Sderaadt# addr_family is the address family of the interface, generally inet 52df930be7Sderaadt# hostname is the host name that belongs to the interface, in /etc/hosts. 53df930be7Sderaadt# netmask is the network mask for the interface. 54df930be7Sderaadt# broadcast_addr is the broadcast address for the interface 55df930be7Sderaadt# options are misc. options to ifconfig for the interface. 56df930be7Sderaadt# 57df930be7Sderaadt# dest is simply the string "dest" (no quotes, though) if the interface 58df930be7Sderaadt# has a "destination" (i.e. it's a point-to-point link, like SLIP). 59df930be7Sderaadt# dest_addr is the hostname of the other end of the link, in /etc/hosts 60df930be7Sderaadt# 61df930be7Sderaadt# the only required contents of the file are the addr_family field 62df930be7Sderaadt# and the hostname. 63df930be7Sderaadt 64df930be7Sderaadt( 65df930be7Sderaadt tmp="$IFS" 66df930be7Sderaadt IFS="$IFS." 67df930be7Sderaadt set -- `echo /etc/hostname*` 68df930be7Sderaadt IFS=$tmp 69df930be7Sderaadt unset tmp 70df930be7Sderaadt 71df930be7Sderaadt while [ $# -ge 2 ] ; do 72df930be7Sderaadt shift # get rid of "hostname" 73df930be7Sderaadt ( 74df930be7Sderaadt read af name mask bcaddr extras 75df930be7Sderaadt read dt dtaddr 76df930be7Sderaadt 77df930be7Sderaadt if [ ! -n "$name" ]; then 78df930be7Sderaadt echo "/etc/hostname.$1: invalid network configuration file" 79df930be7Sderaadt exit 80df930be7Sderaadt fi 81df930be7Sderaadt 82df930be7Sderaadt cmd="ifconfig $1 $af $name " 83df930be7Sderaadt if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi 84df930be7Sderaadt if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi 85df930be7Sderaadt if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then 86df930be7Sderaadt cmd="$cmd broadcast $bcaddr"; 87df930be7Sderaadt fi 88df930be7Sderaadt cmd="$cmd $extras" 89df930be7Sderaadt 90df930be7Sderaadt $cmd 91df930be7Sderaadt ) < /etc/hostname.$1 92df930be7Sderaadt shift 93df930be7Sderaadt done 94df930be7Sderaadt) 95df930be7Sderaadt 96d747464dSderaadt# /etc/mygate, if it exists, contains the name of my gateway host 97d747464dSderaadt# that name must be in /etc/hosts. 98d747464dSderaadtif [ -f /etc/mygate ]; then 99*bd498c62Sderaadt route -n add -host default `cat /etc/mygate` 100d747464dSderaadtfi 101d747464dSderaadt 1022fc42166Stholo# default multicast route 103*bd498c62Sderaadtroute -n add -net 224.0.0.0 -interface $hostname 104