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 2009 Sun Microsystems, Inc. All rights reserved. 24 # Use is subject to license terms. 25 26 # This script configures IP routing. 27 28 . /lib/svc/share/smf_include.sh 29 30 # 31 # In a shared-IP zone we need this service to be up, but all of the work 32 # it tries to do is irrelevant (and will actually lead to the service 33 # failing if we try to do it), so just bail out. 34 # In the global zone and exclusive-IP zones we proceed. 35 # 36 smf_configure_ip || exit $SMF_EXIT_OK 37 38 # 39 # If routing.conf file is in place, and has not already been read in 40 # by previous invokation of routeadm, legacy configuration is upgraded 41 # by this call to "routeadm -u". This call is also needed when 42 # a /var/svc/profile/upgrade file is found, as it may contain routeadm commands 43 # which need to be applied. Finally, routeadm starts in.ndpd by 44 # enabling the ndp service (in.ndpd), which is required for IPv6 address 45 # autoconfiguration. It would be nice if we could do this in 46 # network/loopback, but since the SMF backend is read-only at that 47 # point in boot, we cannot. 48 # 49 /sbin/routeadm -u 50 51 # 52 # Are we routing dynamically? routeadm(1M) reports this in the 53 # "current" values of ipv4/6-routing - if either are true, we are running 54 # routing daemons (or at least they are enabled to run). 55 # 56 dynamic_routing_test=`/sbin/routeadm -p | \ 57 nawk '/^ipv[46]-routing [.]*/ { print $2 }' | /usr/bin/grep "current=enabled"` 58 if [ -n "$dynamic_routing_test" ]; then 59 dynamic_routing="true" 60 fi 61 62 # 63 # Configure default IPv4 routers using the local "/etc/defaultrouter" 64 # configuration file. The file can contain the hostnames or IP 65 # addresses of one or more default routers. If hostnames are used, 66 # each hostname must also be listed in the local "/etc/hosts" file 67 # because NIS and NIS+ are not running at the time that this script is 68 # run. Each router name or address is listed on a single line by 69 # itself in the file. Anything else on that line after the router's 70 # name or address is ignored. Lines that begin with "#" are 71 # considered comments and ignored. 72 # 73 # The default routes listed in the "/etc/defaultrouter" file will 74 # replace those added by the kernel during diskless booting. An 75 # empty "/etc/defaultrouter" file will cause the default route 76 # added by the kernel to be deleted. 77 # 78 # Note that the default router file is ignored if we received routes 79 # from a DHCP server. Our policy is to always trust DHCP over local 80 # administration. 81 # 82 smf_netstrategy 83 84 if [ "$_INIT_NET_STRATEGY" = "dhcp" ] && \ 85 [ -n "`/sbin/dhcpinfo Router`" ]; then 86 defrouters=`/sbin/dhcpinfo Router` 87 elif [ -f /etc/defaultrouter ]; then 88 defrouters=`/usr/bin/grep -v \^\# /etc/defaultrouter | \ 89 /usr/bin/awk '{print $1}'` 90 if [ -n "$defrouters" ]; then 91 # 92 # We want the default router(s) listed in 93 # /etc/defaultrouter to replace the one added from the 94 # BOOTPARAMS WHOAMI response but we must avoid flushing 95 # the last route between the running system and its 96 # /usr file system. 97 # 98 99 # First, remember the original route. 100 shift $# 101 set -- `/usr/bin/netstat -rn -f inet | \ 102 /usr/bin/grep '^default'` 103 route_IP="$2" 104 105 # 106 # Next, add those from /etc/defaultrouter. While doing 107 # this, if one of the routes we add is for the route 108 # previously added as a result of the BOOTPARAMS 109 # response, we will see a message of the form: 110 # "add net default: gateway a.b.c.d: entry exists" 111 # 112 do_delete=yes 113 for router in $defrouters; do 114 route_added=`/usr/sbin/route -n add default \ 115 -gateway $router` 116 res=$? 117 set -- $route_added 118 [ $res -ne 0 -a "$5" = "$route_IP:" ] && do_delete=no 119 done 120 121 # 122 # Finally, delete the original default route unless it 123 # was also listed in the defaultrouter file. 124 # 125 if [ -n "$route_IP" -a $do_delete = yes ]; then 126 /usr/sbin/route -n delete default \ 127 -gateway $route_IP >/dev/null 128 fi 129 else 130 /usr/sbin/route -fn > /dev/null 131 fi 132 else 133 defrouters= 134 fi 135 136 # 137 # Use routeadm(1M) to configure forwarding and launch routing daemons 138 # for IPv4 and IPv6 based on preset values. These settings only apply 139 # to the global zone. For IPv4 dynamic routing, the system will default 140 # to disabled if a default route was previously added via BOOTP, DHCP, 141 # or the /etc/defaultrouter file. routeadm also starts in.ndpd. 142 # 143 if [ "$dynamic_routing" != "true" ] && [ -z "$defrouters" ]; then 144 # 145 # No default routes were setup by "route" command above. 146 # Check the kernel routing table for any other default 147 # routes. 148 # 149 /usr/bin/netstat -rn -f inet | \ 150 /usr/bin/grep default >/dev/null 2>&1 && defrouters=yes 151 fi 152 153 # 154 # The routeadm/ipv4-routing-set property is true if the administrator 155 # has run "routeadm -e/-d ipv4-routing". If not, we revert to the 156 # appropriate defaults. We no longer run "routeadm -u" on every boot 157 # however, as persistent daemon state is now controlled by SMF. 158 # 159 ipv4_routing_set=`/usr/bin/svcprop -p routeadm/ipv4-routing-set $SMF_FMRI` 160 if [ -z "$defrouters" ]; then 161 # 162 # Set default value for ipv4-routing to enabled. If routeadm -e/-d 163 # has not yet been run by the administrator, we apply this default. 164 # The -b option is project-private and informs routeadm not 165 # to treat the enable as administrator-driven. 166 # 167 /usr/sbin/svccfg -s $SMF_FMRI \ 168 setprop routeadm/default-ipv4-routing = true 169 if [ "$ipv4_routing_set" = "false" ]; then 170 /sbin/routeadm -b -e ipv4-routing -u 171 fi 172 else 173 # 174 # Default router(s) have been found, so ipv4-routing default value 175 # should be disabled. If routaedm -e/d has not yet been run by 176 # the administrator, we apply this default. The -b option is 177 # project-private and informs routeadm not to treat the disable as 178 # administrator-driven. 179 # 180 /usr/sbin/svccfg -s $SMF_FMRI \ 181 setprop routeadm/default-ipv4-routing = false 182 if [ "$ipv4_routing_set" = "false" ]; then 183 /sbin/routeadm -b -d ipv4-routing -u 184 fi 185 fi 186 187 # 188 # Read /etc/inet/static_routes and add each route. 189 # 190 if [ -f /etc/inet/static_routes ]; then 191 echo "Adding persistent routes:" 192 /usr/bin/egrep -v "^(#|$)" /etc/inet/static_routes | while read line; do 193 /usr/sbin/route add $line 194 done 195 fi 196 197 # Clear exit status. 198 exit $SMF_EXIT_OK 199
Indexes created Wed Nov 25 06:41:13 UTC 2009
Terms of Use |
Privacy |
Trademarks |
Copyright Policy |
Site Guidelines |
Help
Your use of this web site or any of its content or software indicates your agreement to be bound by these Terms of Use.
Copyright © 1995-2008 Sun Microsystems, Inc.