1#!/sbin/sh 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22# 23# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24# Use is subject to license terms. 25# 26# ident "%Z%%M% %I% %E% SMI" 27 28# This script configures IP routing. 29 30. /lib/svc/share/smf_include.sh 31 32# 33# In a zone we need this service to be up, but all of the work 34# it tries to do is irrelevant (and will actually lead to the service 35# failing if we try to do it), so just bail out. 36# 37smf_is_globalzone || exit $SMF_EXIT_OK 38 39# 40# If routing.conf file is in place, and has not already been read in 41# by previous invokation of routeadm, legacy configuration is upgraded 42# by this call to "routeadm -u". This call is also needed when 43# a /var/svc/profile/upgrade file is found, as it may contain routeadm commands 44# which need to be applied. Finally, routeadm starts in.ndpd by 45# enabling the ndp service (in.ndpd), which is required for IPv6 address 46# autoconfiguration. It would be nice if we could do this in 47# network/loopback, but since the SMF backend is read-only at that 48# point in boot, we cannot. 49# 50/sbin/routeadm -u 51 52# 53# Are we routing dynamically? routeadm(1M) reports this in the 54# "current" values of ipv4/6-routing - if either are true, we are running 55# routing daemons (or at least they are enabled to run). 56# 57dynamic_routing_test=`/sbin/routeadm -p | \ 58nawk '/^ipv[46]-routing [.]*/ { print $2 }' | /usr/bin/grep "current=enabled"` 59if [ -n "$dynamic_routing_test" ]; then 60 dynamic_routing="true" 61fi 62 63/usr/sbin/ifconfig -a6u >/etc/svc/volatile/ifconfig.$$ 64numv6ifs=`/usr/bin/grep -c inet6 /etc/svc/volatile/ifconfig.$$` 65 66if [ $numv6ifs -gt 1 ]; then 67 # 68 # Add a static route for multicast packets out of a link-local 69 # interface, although would like to specify multicast interface using 70 # an interface name! 71 # 72 set -- `/usr/bin/awk ' 73 /inet6 fe80:/ { 74 print substr($2, 1, index($2, "/") - 1) 75 }' /etc/svc/volatile/ifconfig.$$` 76 77 if [ -n "$1" ]; then 78 echo "Setting default IPv6 interface for multicast:" \ 79 "add net ff00::/8: gateway $1" 80 /usr/sbin/route -n add -interface -inet6 "ff00::/8" "$1" \ 81 >/dev/null 82 fi 83fi 84/usr/bin/rm -f /etc/svc/volatile/ifconfig.$$ 85 86# 87# Configure default IPv4 routers using the local "/etc/defaultrouter" 88# configuration file. The file can contain the hostnames or IP 89# addresses of one or more default routers. If hostnames are used, 90# each hostname must also be listed in the local "/etc/hosts" file 91# because NIS and NIS+ are not running at the time that this script is 92# run. Each router name or address is listed on a single line by 93# itself in the file. Anything else on that line after the router's 94# name or address is ignored. Lines that begin with "#" are 95# considered comments and ignored. 96# 97# The default routes listed in the "/etc/defaultrouter" file will 98# replace those added by the kernel during diskless booting. An 99# empty "/etc/defaultrouter" file will cause the default route 100# added by the kernel to be deleted. 101# 102# Note that the default router file is ignored if we received routes 103# from a DHCP server. Our policy is to always trust DHCP over local 104# administration. 105# 106smf_netstrategy 107 108if [ "$_INIT_NET_STRATEGY" = "dhcp" ] && \ 109 [ -n "`/sbin/dhcpinfo Router`" ]; then 110 defrouters=`/sbin/dhcpinfo Router` 111elif [ -f /etc/defaultrouter ]; then 112 defrouters=`/usr/bin/grep -v \^\# /etc/defaultrouter | \ 113 /usr/bin/awk '{print $1}'` 114 if [ -n "$defrouters" ]; then 115 # 116 # We want the default router(s) listed in 117 # /etc/defaultrouter to replace the one added from the 118 # BOOTPARAMS WHOAMI response but we must avoid flushing 119 # the last route between the running system and its 120 # /usr file system. 121 # 122 123 # First, remember the original route. 124 shift $# 125 set -- `/usr/bin/netstat -rn -f inet | \ 126 /usr/bin/grep '^default'` 127 route_IP="$2" 128 129 # 130 # Next, add those from /etc/defaultrouter. While doing 131 # this, if one of the routes we add is for the route 132 # previously added as a result of the BOOTPARAMS 133 # response, we will see a message of the form: 134 # "add net default: gateway a.b.c.d: entry exists" 135 # 136 do_delete=yes 137 for router in $defrouters; do 138 set -- `/usr/sbin/route -n add default \ 139 -gateway $router` 140 [ $? -ne 0 -a "x$5" = "x$route_IP:" ] \ 141 && do_delete=no 142 done 143 144 # 145 # Finally, delete the original default route unless it 146 # was also listed in the defaultrouter file. 147 # 148 if [ -n "$route_IP" -a $do_delete = yes ]; then 149 /usr/sbin/route -n delete default \ 150 -gateway $route_IP >/dev/null 151 fi 152 else 153 /usr/sbin/route -fn > /dev/null 154 fi 155else 156 defrouters= 157fi 158 159# 160# Use routeadm(1M) to configure forwarding and launch routing daemons 161# for IPv4 and IPv6 based on preset values. These settings only apply 162# to the global zone. For IPv4 dynamic routing, the system will default 163# to disabled if a default route was previously added via BOOTP, DHCP, 164# or the /etc/defaultrouter file. routeadm also starts in.ndpd. 165# 166if [ "$dynamic_routing" != "true" ] && [ -z "$defrouters" ]; then 167 # 168 # No default routes were setup by "route" command above. 169 # Check the kernel routing table for any other default 170 # routes. 171 # 172 /usr/bin/netstat -rn -f inet | \ 173 /usr/bin/grep default >/dev/null 2>&1 && defrouters=yes 174fi 175 176# 177# The routeadm/ipv4-routing-set property is true if the administrator 178# has run "routeadm -e/-d ipv4-routing". If not, we revert to the 179# appropriate defaults. We no longer run "routeadm -u" on every boot 180# however, as persistent daemon state is now controlled by SMF. 181# 182ipv4_routing_set=`/usr/bin/svcprop -p routeadm/ipv4-routing-set $SMF_FMRI` 183if [ -z "$defrouters" ]; then 184 # 185 # Set default value for ipv4-routing to enabled. If routeadm -e/-d 186 # has not yet been run by the administrator, we apply this default. 187 # The -b option is project-private and informs routeadm not 188 # to treat the enable as administrator-driven. 189 # 190 /usr/sbin/svccfg -s $SMF_FMRI \ 191 setprop routeadm/default-ipv4-routing = true 192 if [ "$ipv4_routing_set" = "false" ]; then 193 /sbin/routeadm -b -e ipv4-routing -u 194 fi 195else 196 # 197 # Default router(s) have been found, so ipv4-routing default value 198 # should be disabled. If routaedm -e/d has not yet been run by 199 # the administrator, we apply this default. The -b option is 200 # project-private and informs routeadm not to treat the disable as 201 # administrator-driven. 202 # 203 /usr/sbin/svccfg -s $SMF_FMRI \ 204 setprop routeadm/default-ipv4-routing = false 205 if [ "$ipv4_routing_set" = "false" ]; then 206 /sbin/routeadm -b -d ipv4-routing -u 207 fi 208fi 209 210# 211# Set 6to4 Relay Router communication support policy and, if applicable, 212# the destination Relay Router IPv4 address. See /etc/default/inetinit for 213# setting and further info on ACCEPT6TO4RELAY and RELAY6TO4ADDR. 214# If ACCEPT6TO4RELAY=NO, the default value in the kernel will 215# be used. 216# 217ACCEPT6TO4RELAY=`echo "$ACCEPT6TO4RELAY" | /usr/bin/tr '[A-Z]' '[a-z]'` 218if [ "$ACCEPT6TO4RELAY" = yes ]; then 219 if [ "$RELAY6TO4ADDR" ]; then 220 /usr/sbin/6to4relay -e -a $RELAY6TO4ADDR 221 else 222 /usr/sbin/6to4relay -e 223 fi 224fi 225 226# 227# Read /etc/inet/static_routes and add each route. 228# 229if [ -f /etc/inet/static_routes ]; then 230 echo "Adding persistent routes:" 231 /usr/bin/egrep -v "^(#|$)" /etc/inet/static_routes | while read line; do 232 /usr/sbin/route add $line 233 done 234fi 235 236# Clear exit status. 237exit $SMF_EXIT_OK 238