net-init revision 1291:eb60dec49783
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, Version 1.0 only 7# (the "License"). You may not use this file except in compliance 8# with the License. 9# 10# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11# or http://www.opensolaris.org/os/licensing. 12# See the License for the specific language governing permissions 13# and limitations under the License. 14# 15# When distributing Covered Code, include this CDDL HEADER in each 16# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17# If applicable, add the following below this CDDL HEADER, with the 18# fields enclosed by brackets "[]" replaced with your own identifying 19# information: Portions Copyright [yyyy] [name of copyright owner] 20# 21# CDDL HEADER END 22# 23# 24# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27# ident "%Z%%M% %I% %E% SMI" 28# 29# This is the second phase of TCP/IP configuration. The first part is 30# run by the /lib/svc/method/net-physical script (the svc:/network/physical 31# service) and includes configuring the interfaces and setting the machine's 32# hostname. This script (the svc:/network/initial service), does all 33# configuration that can be done before name services are started. This 34# includes configuring IP routing, and setting any tunable parameters. 35# The third part, run by the /lib/svc/method/net-svc script (the 36# svc:/network/service service), does all configuration that may require 37# name services. This includes a final re-configuration of the interfaces. 38# 39 40. /lib/svc/share/smf_include.sh 41 42case "$1" in 43'start') 44 # 45 # In a zone we need this service to be up, but all of the work 46 # it tries to do is irrelevant (and will actually lead to the service 47 # failing if we try to do it), so just bail out. 48 # 49 if [ `/sbin/zonename` != "global" ]; then 50 exit 0 51 fi 52 ;; # Fall through -- rest of script is the initialization code 53 54'stop') 55 if [ `/sbin/zonename` != "global" ]; then 56 exit 0 57 fi 58 # 59 # If we were routing dynamically, we will note this with 60 # the .dynamic_routing file, so that we can leave the routes 61 # in place without thinking they're static route entries 62 # when we come back into states 2 or 3. 63 # 64 if /usr/bin/pgrep -x -u 0 'in.routed|in.rdisc' >/dev/null 2>&1; then 65 /usr/bin/pkill -z `/sbin/zonename` -x -u 0 'in.routed|in.rdisc' 66 > /etc/.dynamic_routing 67 fi 68 /usr/bin/pkill -z `/sbin/zonename` -x -u 0 'in.ndpd|in.ripngd' 69 exit 0 70 ;; 71 72*) 73 echo "Usage: $0 { start | stop }" 74 exit 1 75 ;; 76esac 77 78# Configure IPv6 Default Address Selection. 79if [ -f /etc/inet/ipaddrsel.conf ]; then 80 /usr/sbin/ipaddrsel -f /etc/inet/ipaddrsel.conf 81fi 82 83/usr/sbin/ifconfig -a6u >/etc/svc/volatile/ifconfig.$$ 84numv6ifs=`/usr/bin/grep -c inet6 /etc/svc/volatile/ifconfig.$$` 85if [ $numv6ifs -gt 1 ]; then 86 # 87 # Add a static route for multicast packets out of a link-local 88 # interface, although would like to specify multicast interface using 89 # an interface name! 90 # 91 set -- `/usr/bin/awk ' 92 /inet6 fe80:/ { 93 print substr($2, 1, index($2, "/") - 1) 94 }' /etc/svc/volatile/ifconfig.$$` 95 96 if [ -n "$1" ]; then 97 echo "Setting default IPv6 interface for multicast:" \ 98 "add net ff00::/8: gateway $1" 99 /usr/sbin/route -n add -interface -inet6 "ff00::/8" "$1" \ 100 >/dev/null 101 fi 102fi 103/usr/bin/rm -f /etc/svc/volatile/ifconfig.$$ 104 105# 106# Now that /usr is mounted, see if in.mpathd needs to be started by firing it 107# up in "adopt" mode; if there are no interfaces it needs to manage, it will 108# automatically exit. Note that it may already be running if we're not 109# executing as part of system boot. 110# 111/usr/bin/pgrep -x -u 0 in.mpathd >/dev/null 2>&1 || /usr/lib/inet/in.mpathd -a 112 113# 114# Pass to the kernel the list of supported IPsec protocols and algorithms. 115# This will not cause IPsec to be loaded. 116# 117/usr/sbin/ipsecalgs -s 118 119# 120# Initialize IPsec only if ipsecinit.conf exists. Otherwise, save the 121# kernel memory that'll be consumed if IPsec is loaded. See below for more 122# IPsec-related commands. 123# 124if [ -f /etc/inet/ipsecinit.conf ] ; then 125 /usr/sbin/ipsecconf -qa /etc/inet/ipsecinit.conf 126fi 127 128# 129# Set the RFC 1948 entropy, regardless of if I'm using it or not. If present, 130# use the encrypted root password as a source of entropy. Otherwise, 131# just use the pre-set (and hopefully difficult to guess) entropy that 132# tcp used when it loaded. 133# 134encr=`/usr/bin/awk -F: '/^root:/ {print $2}' /etc/shadow` 135[ -z "$encr" ] || /usr/sbin/ndd -set /dev/tcp tcp_1948_phrase $encr 136unset encr 137 138# 139# Get values for TCP_STRONG_ISS, ACCEPT6TO4RELAY and RELAY6TO4ADDR. 140# 141[ -f /etc/default/inetinit ] && . /etc/default/inetinit 142 143# 144# Set TCP ISS generation. By default the ISS generation is 145# time + random()-delta. This might not be strong enough for some users. 146# See /etc/default/inetinit for settings and further info on TCP_STRONG_ISS. 147# If not set, use TCP's internal default setting. 148# 149if [ $TCP_STRONG_ISS ]; then 150 /usr/sbin/ndd -set /dev/tcp tcp_strong_iss $TCP_STRONG_ISS 151fi 152 153# 154# Configure default IPv4 routers using the local "/etc/defaultrouter" 155# configuration file. The file can contain the hostnames or IP 156# addresses of one or more default routers. If hostnames are used, 157# each hostname must also be listed in the local "/etc/hosts" file 158# because NIS and NIS+ are not running at the time that this script is 159# run. Each router name or address is listed on a single line by 160# itself in the file. Anything else on that line after the router's 161# name or address is ignored. Lines that begin with "#" are 162# considered comments and ignored. 163# 164# The default routes listed in the "/etc/defaultrouter" file will 165# replace those added by the kernel during diskless booting. An 166# empty "/etc/defaultrouter" file will cause the default route 167# added by the kernel to be deleted. 168# 169# Note that the default router file is ignored if we received routes 170# from a DHCP server. Our policy is to always trust DHCP over local 171# administration. 172# 173smf_netstrategy 174 175if [ "$_INIT_NET_STRATEGY" = "dhcp" ] && [ -n "`/sbin/dhcpinfo Router`" ]; then 176 defrouters=`/sbin/dhcpinfo Router` 177elif [ -f /etc/defaultrouter ]; then 178 defrouters=`/usr/bin/grep -v \^\# /etc/defaultrouter | \ 179 /usr/bin/awk '{print $1}'` 180 if [ -n "$defrouters" ]; then 181 # 182 # We want the default router(s) listed in /etc/defaultrouter 183 # to replace the one added from the BOOTPARAMS WHOAMI response 184 # but we must avoid flushing the last route between the running 185 # system and its /usr file system. 186 # 187 188 # First, remember the original route. 189 shift $# 190 set -- `/usr/bin/netstat -rn -f inet | /usr/bin/grep '^default'` 191 route_IP="$2" 192 193 # 194 # Next, add those from /etc/defaultrouter. While doing this, 195 # if one of the routes we add is for the route previously 196 # added as a result of the BOOTPARAMS response, we will see 197 # a message of the form: 198 # "add net default: gateway a.b.c.d: entry exists" 199 # 200 do_delete=yes 201 for router in $defrouters; do 202 set -- `/usr/sbin/route -n add default -gateway $router` 203 [ $? -ne 0 -a "x$5" = "x$route_IP:" ] && do_delete=no 204 done 205 206 # 207 # Finally, delete the original default route unless it was 208 # also listed in the defaultrouter file. 209 # 210 if [ -n "$route_IP" -a $do_delete = yes ]; then 211 /usr/sbin/route -n delete default -gateway $route_IP \ 212 >/dev/null 213 fi 214 else 215 /usr/sbin/route -fn > /dev/null 216 fi 217else 218 defrouters= 219fi 220 221# 222# Use routeadm(1M) to configure forwarding and launch routing daemons for 223# IPv4 and IPv6 based on preset values. These settings only apply to the 224# global zone. For IPv4 dynamic routing, the system will default to 225# disabled if a default route was previously added via BOOTP, DHCP, or 226# the /etc/defaultrouter file. routeadm also starts in.ndpd. 227# 228if [ ! -f /etc/.dynamic_routing ] && [ -z "$defrouters" ]; then 229 # 230 # No default routes were setup by "route" command above. 231 # Check the kernel routing table for any other default 232 # routes. 233 # 234 /usr/bin/netstat -rn -f inet | \ 235 /usr/bin/grep default >/dev/null 2>&1 && defrouters=yes 236fi 237[ -f /etc/.dynamic_routing ] && /usr/bin/rm -f /etc/.dynamic_routing 238if [ -z "$defrouters" ]; then 239 routeadmstr="-e ipv4-routing" 240else 241 routeadmstr="-d ipv4-routing" 242fi 243# 244# The -b option used here tells routeadm that the ipv4-routing 245# option in $routeadmstr is the boot-time default. The 246# boot-time default is used if the administrator has not 247# explicitly enabled or disabled ipv4-routing using the -e or 248# -d routeadm option. 249# 250/usr/sbin/routeadm -u -b $routeadmstr 251 252# 253# In spite of global policy, there may be a need for IPsec because of 254# per-socket policy or tunnelled policy. With that in mind, check for manual 255# keys in /etc/inet/secret/ipseckeys, or check for IKE configuration in 256# /etc/inet/ike/config. Either of these will also load and initialize IPsec, 257# thereby consuming kernel memory. 258# 259 260if [ -f /etc/inet/secret/ipseckeys ] ; then 261 /usr/sbin/ipseckey -f /etc/inet/secret/ipseckeys 262fi 263 264if [ -f /etc/inet/ike/config ] ; then 265 /usr/lib/inet/in.iked 266fi 267 268# 269# Configure tunnels which were deferred by /lib/svc/method/net-physical 270# (the svc:/network/physical service) since it depends on the tunnel endpoints 271# being reachable i.e. routing must be running. 272# 273# WARNING: you may wish to turn OFF forwarding if you haven't already, because 274# of various possible security vulnerabilities when configuring tunnels for 275# Virtual Private Network (VPN) construction. 276# 277# Also, if names are used in the /etc/hostname.ip.tun* file, those names 278# have to be in either DNS (and DNS is used) or in /etc/hosts, because this 279# file is executed before NIS or NIS+ is started. 280# 281 282# 283# IPv4 tunnels 284# The second component of the name must be either "ip" or "ip6". 285# 286interface_names="`/usr/bin/ls /etc/hostname.ip*.*[0-9] 2>/dev/null | \ 287 /usr/bin/grep '/etc/hostname\.ip6\{0,1\}\.'`" 288if [ -n "$interface_names" ]; then 289 ( 290 echo "configuring IPv4 tunnels:\c" 291 # Extract the part after the first '.' 292 set -- `for intr in $interface_names; do \ 293 /usr/bin/expr //$intr : '[^.]*\.\(.*\)$'; done` 294 while [ $# -ge 1 ]; do 295 # Skip empty files 296 if [ ! -s /etc/hostname\.$1 ]; then 297 shift 298 continue 299 fi 300 /usr/sbin/ifconfig $1 plumb 301 while read ifcmds; do 302 if [ -n "$ifcmds" ]; then 303 /usr/sbin/ifconfig $1 inet $ifcmds 304 fi 305 done </etc/hostname\.$1 >/dev/null 306 echo " $1\c" 307 shift 308 done 309 echo "." 310 ) 311fi 312 313# 314# IPv6 Tunnels 315# The second component of the name must be either "ip" or "ip6". 316# 317interface_names="`/usr/bin/ls /etc/hostname6.ip*.*[0-9] 2>/dev/null | \ 318 /usr/bin/grep '/etc/hostname6\.ip6\{0,1\}\.'`" 319if [ -n "$interface_names" ]; then 320 ( 321 echo "configuring IPv6 tunnels:\c" 322 # Extract the part after the first '.' 323 set -- `for intr in $interface_names; do \ 324 /usr/bin/expr //$intr : '[^.]*\.\(.*\)$'; done` 325 while [ $# -ge 1 ]; do 326 # Skip empty files 327 if [ ! -s /etc/hostname6\.$1 ]; then 328 shift 329 continue 330 fi 331 /usr/sbin/ifconfig $1 inet6 plumb 332 while read ifcmds; do 333 if [ -n "$ifcmds" ]; then 334 /usr/sbin/ifconfig $1 inet6 $ifcmds 335 fi 336 done </etc/hostname6\.$1 > /dev/null 337 echo " $1\c" 338 shift 339 done 340 echo "." 341 ) 342fi 343 344# 345# Set 6to4 Relay Router communication support policy and, if applicable, 346# the destination Relay Router IPv4 address. See /etc/default/inetinit for 347# setting and further info on ACCEPT6TO4RELAY and RELAY6TO4ADDR. 348# If ACCEPT6TO4RELAY=NO, the default value in the kernel will 349# be used. 350# 351ACCEPT6TO4RELAY=`echo "$ACCEPT6TO4RELAY" | /usr/bin/tr '[A-Z]' '[a-z]'` 352if [ "$ACCEPT6TO4RELAY" = yes ]; then 353 if [ "$RELAY6TO4ADDR" ]; then 354 /usr/sbin/6to4relay -e -a $RELAY6TO4ADDR 355 else 356 /usr/sbin/6to4relay -e 357 fi 358fi 359 360# 361# Read /etc/inet/static_routes and add each route. 362# 363if [ -f /etc/inet/static_routes ]; then 364 echo "Adding persistent routes:" 365 /usr/bin/egrep -v "^(#|$)" /etc/inet/static_routes | while read line; do 366 /usr/sbin/route add $line 367 done 368fi 369 370# Clear exit status. 371exit 0 372