96 lines
2.8 KiB
Bash
96 lines
2.8 KiB
Bash
#!/bin/sh -
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#
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# $NetBSD: netstart,v 1.32 1997/04/01 19:36:19 perry Exp $
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# from: @(#)netstart 8.1 (Berkeley) 7/23/93
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# /etc/myname contains my symbolic name
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#
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hostname=`cat /etc/myname`
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hostname $hostname
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if [ -f /etc/defaultdomain ]; then
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domainname `cat /etc/defaultdomain`
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fi
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# enable, flush and install packet filter rules before configuring interfaces.
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if [ "$ipfilter" != NO ] && [ -f /etc/ipf.conf ]; then
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echo 'installing packet filter rules ... '
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ipf -E -Fa -f /etc/ipf.conf
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fi
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# Configure all of the network interfaces listed in $net_interfaces;
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# if $net_interfaces is DEFAULT, grab all interfaces from ifconfig.
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# In the following, "xxN" stands in for interface names, like "le0".
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# For any interfaces that has an $ifconfig_xxN variable associated,
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# we do "ifconfig xxN $ifconfig_xxN".
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# If there is no such variable, we take the contents of the file
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# /etc/ifconfig.xxN, and run "ifconfig xxN" repeatedly, using each
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# line of the file as the arguments for a seperate "ifconfig" invocation.
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#
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# In order to configure an interface reasonably, you at the very least
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# need to specify "[addr_family] [hostname]" (as in "inet my.domain.org"),
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# and probably a netmask (as in "netmask 0xffffffe0"). You will
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# frequently need to specify a media type, as in "media UTP", for
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# interface cards with multiple media connections that do not autoconfigure.
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# see the ifconfig manual page for details.
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if [ "$net_interfaces" != NO ]; then
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if [ "$net_interfaces" = DEFAULT ]; then
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tmp="`ifconfig -l`"
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else
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tmp="$net_interfaces"
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fi
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echo -n "configuring network interfaces:"
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for i in $tmp; do
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eval `echo 'args=$ifconfig_'$i`
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if [ ! -z "$args" ]; then
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echo -n " $i"
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ifconfig $i $args
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elif [ -f /etc/ifconfig.$i ]; then
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echo -n " $i"
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(while read args; do
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ifconfig $i $args
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done) < /etc/ifconfig.$i
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elif [ "$net_interfaces" != DEFAULT ]; then
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echo
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echo -n "/etc/ifconfig.$i missing"
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echo -n "& ifconfig_$i not set"
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echo "; interface $i can't be configured"
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fi
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done
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echo "."
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fi
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# set the address for the loopback interface
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ifconfig lo0 inet localhost
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# use loopback, not the wire
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route add $hostname localhost
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# /etc/mygate, if it exists, contains the name of my gateway host
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# that name must be in /etc/hosts.
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if [ -f /etc/mygate ]; then
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route add default `cat /etc/mygate`
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fi
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# /etc/ifaliases, if it exists, contains the names of additional IP
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# addresses for each interface. It is formatted as a series of lines
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# that contain
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# address interface netmask
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if [ -f /etc/ifaliases ]; then
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(
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while read addr int net; do
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if [ ! -n "$net" ]; then
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ifconfig $int inet alias $addr
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else
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ifconfig $int inet alias $addr netmask $net
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fi
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route add $addr localhost
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done
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) < /etc/ifaliases
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fi
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if [ -s /etc/netstart.local ]; then
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. /etc/netstart.local
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fi
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