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Revision 1.62, Sun Jan 2 06:50:09 2000 UTC (24 years, 5 months ago) by deraadt
rtsol case can configure the interface up, since it would be nice to finish DAD before the actual rtsol(8) run happens later. and since it will rtsol, it is going to be up in any case. |
#!/bin/sh - # # $OpenBSD: netstart,v 1.62 2000/01/02 06:50:09 deraadt Exp $ # Returns true if $1 contains only alphanumerics isalphanumeric() { local _n _n=$1 while [ ${#_n} != 0 ]; do case $_n in [A-Za-z0-9]*) ;; *) return 1;; esac _n=${_n#?} done return 0 } # /etc/myname contains my symbolic name # hostname=`cat /etc/myname` hostname $hostname if [ -f /etc/defaultdomain ]; then domainname `cat /etc/defaultdomain` fi # pick up option configuration . /etc/rc.conf # Configure the IP filter before configuring network interfaces if [ X"${ipfilter}" = X"YES" -a -f "${ipfilter_rules}" ]; then echo 'configuring IP filter' ipf -Fa -f ${ipfilter_rules} -E else ipfilter=NO fi # set the address for the loopback interface # it will also initialize IPv6 address for lo0 (::1 and others). ifconfig lo0 inet localhost # use loopback, not the wire route -n add -host $hostname localhost route -n add -net 127 127.0.0.1 -reject if ifconfig lo0 inet6 >/dev/null 2>&1; then # IPv6 configurations. ip6kernel=YES # disallow scoped unicast dest without outgoing scope identifiers. route add -inet6 fe80:: -prefixlen 10 ::1 -reject route add -inet6 fc80:: -prefixlen 10 ::1 -reject # disallow "internal" addresses to appear on the wire. route add -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject route add -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject rtsolif="" else ip6kernel=NO fi # configure all of the non-loopback interfaces which we know about. # refer to hostname.if(5) and bridgename.if(5) for hn in /etc/hostname.*; do # Strip off /etc/hostname. prefix if=${hn#/etc/hostname.} # Interface names must be alphanumeric only. We check to avoid # configuring backup or temp files, and to catch the "*" case. if ! isalphanumeric "$if"; then continue fi ifconfig $if > /dev/null 2>&1 if [ "$?" != "0" ]; then continue fi # Now parse the hostname.* file while :; do if [ "$cmd2" ]; then # we are carrying over from the 'read dt dtaddr' last time set -- $cmd2 af="$1" name="$2" mask="$3" bcaddr="$4" ext1="$5" ext2="$6" cmd2= else # read the next line or exit the while loop read af name mask bcaddr ext1 ext2 || break fi # skip comments [ "${af#*#}" = "${af}" ] || continue # $af can be either "dhcp", "up" or an address family. case "$af" in "bridge") cmd="echo ${hn}: bridges now supported via bridgename.* files" ;; "dhcp") ifconfig $if $name $mask $bcaddr $ext1 $ext2 down cmd="dhclient $if" ;; "rtsol") ifconfig $if $name $mask $bcaddr $ext1 $ext2 up rtsolif="$rtsolif $if" cmd= ;; "up") # The only one of these guaranteed to be set is $if # the remaining ones exist so that media controls work cmd="ifconfig $if $name $mask $bcaddr $ext1 $ext2 up" ;; *) read dt dtaddr if [ "$name" = "alias" ]; then # perform a 'shift' of sorts alias=$name name=$mask mask=$bcaddr bcaddr=$ext1 ext1=$ext2 ext2= fi cmd="ifconfig $if $af $alias $name " case $dt in dest) cmd="$cmd $dtaddr" ;; [a-z]*) cmd2="$dt $dtaddr" ;; esac if [ ! -n "$name" ]; then echo "/etc/hostname.$if: invalid network configuration file" return fi case $af in inet) [ "$mask" ] && cmd="$cmd netmask $mask" if [ "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then cmd="$cmd broadcast $bcaddr" fi [ "$alias" ] && rtcmd="; route -n add -host $name 127.0.0.1" ;; inet6) [ "$mask" ] && cmd="$cmd prefixlen $mask" cmd="$cmd $bcaddr" ;; *) cmd="$cmd $mask $bcaddr" esac cmd="$cmd $ext1 $ext2$rtcmd" rtcmd= ;; esac eval "$cmd" done < /etc/hostname.$if done if [ "$ip6kernel" = "YES" -a "x$rtsolif" != "x" ]; then fw=`sysctl -n net.inet6.ip6.forwarding` ra=`sysctl -n net.inet6.ip6.accept_rtadv` if [ "x$fw" = "x0" -a "x$ra" = "x1" ]; then echo "IPv6 autoconf:$rtsolif" rtsol $rtsolif else echo "WARNING: inconsistent config - check /etc/sysctl.conf for IPv6 autoconf" fi fi if [ "$ip6kernel" = "YES" ]; then # this is to make sure DAD is completed before going further. sleep `sysctl -n net.inet6.ip6.dad_count` sleep 1 fi for bn in /etc/bridgename.*; do # Strip off /etc/bridgename. prefix if=${bn#/etc/bridgename.} # Interface names must be alphanumeric only. We check to avoid # configuring backup or temp files, and to catch the "*" case. if ! isalphanumeric "$if"; then continue fi brconfig $if > /dev/null 2>&1 if [ "$?" != "0" ]; then continue fi # Now parse the bridgename.* file { # All lines are run as brconfig(8) commands. while read line ; do line=${line%%#*} # strip comments test -z "$line" && continue brconfig $if $line done } < /etc/bridgename.$if done # /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 -n add -host default `cat /etc/mygate` fi # Multicast routing. # # The routing to the 224.0.0.0/4 net is setup according to these rules: # multicast_host multicast_router route comment # NO NO -reject no multicast # NO YES none installed daemon will run # YES/interface NO -interface YES=def. iface # Any other combination -reject config error case "$multicast_host:$multicast_router" in NO:NO) route -n add -net 224.0.0.0/4 -interface 127.0.0.1 -reject;; NO:YES) ;; *:NO) set `if [ $multicast_host = YES ]; then ed -s '!route -n show' <<EOF /^default/p EOF else ed -s "!ifconfig $multicast_host" <<EOF /^ inet /p EOF fi` route -n add -net 224.0.0.0/4 -interface $2;; *:*) echo 'config error, multicasting disabled until rc.conf is fixed' route -n add -net 224.0.0.0/4 -interface 127.0.0.1 -reject;; esac # Configure NAT after configuring network interfaces if [ "${ipnat}" = "YES" -a "${ipfilter}" = "YES" -a -f "${ipnat_rules}" ]; then echo 'configuring NAT' ipnat -CF -f ${ipnat_rules} else ipnat=NO fi