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 2005 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27# Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T. 28# All rights reserved. 29# 30# 31# ident "%Z%%M% %I% %E% SMI" 32 33# 34# In a zone we need this service to be up, but all of the work 35# it tries to do is irrelevant (and will actually lead to the service 36# failing if we try to do it), so just bail out. 37# 38if [ `/sbin/zonename` != "global" ]; then 39 exit 0 40fi 41 42. /lib/svc/share/smf_include.sh 43. /lib/svc/share/net_include.sh 44 45# Print warnings to console 46warn_failed_ifs() { 47 echo "Failed to $1 interface(s): $2" >/dev/msglog 48} 49 50# Make sure that the libraries essential to this stage of booting can be found. 51LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH 52 53# 54# Cause ifconfig to not automatically start in.mpathd when IPMP groups are 55# configured. This is not strictly necessary but makes it so that in.mpathd 56# will always be started explicitly from /etc/init.d/inetinit, when we're 57# sure that /usr is mounted. 58# 59SUNW_NO_MPATHD=; export SUNW_NO_MPATHD 60 61smf_netstrategy 62 63# 64# Bring up link aggregations 65# 66/sbin/dladm up-aggr 67 68# 69# If the system was net booted by DHCP, hand DHCP management off to the 70# DHCP agent (ifconfig communicates to the DHCP agent through the 71# loopback interface). 72# 73if [ -n "$_INIT_NET_IF" -a "$_INIT_NET_STRATEGY" = "dhcp" ]; then 74 /sbin/dhcpagent -a 75fi 76 77# 78# The network initialization is done early to support diskless and 79# dataless configurations. For IPv4 interfaces that were configured by 80# the kernel (e.g. those on diskless machines) and not configured by 81# DHCP, reset the netmask using the local "/etc/netmasks" file if one 82# exists, and then reset the broadcast address based on the netmask. 83# 84/sbin/ifconfig -auD4 netmask + broadcast + 85 86# 87# All the IPv4 and IPv6 interfaces are plumbed before doing any 88# interface configuration. This prevents errors from plumb failures 89# getting mixed in with the configured interface lists that the script 90# outputs. 91# 92 93# 94# Get the list of IPv4 interfaces to configure by breaking 95# /etc/hostname.* into separate args by using "." as a shell separator 96# character. 97# 98interface_names="`echo /etc/hostname.*[0-9] 2>/dev/null`" 99if [ "$interface_names" != "/etc/hostname.*[0-9]" ]; then 100 ORIGIFS="$IFS" 101 IFS="$IFS." 102 set -- $interface_names 103 IFS="$ORIGIFS" 104 while [ $# -ge 2 ]; do 105 shift 106 if [ "$1" = "xx0" ]; then 107 # 108 # For some unknown historical reason the xx0 109 # ifname is ignored. 110 # 111 shift 112 continue 113 fi 114 if [ $# -gt 1 -a "$2" != "/etc/hostname" ]; then 115 while [ $# -gt 1 -a "$1" != "/etc/hostname" ]; do 116 shift 117 done 118 else 119 inet_list="$inet_list $1" 120 shift 121 fi 122 done 123fi 124 125# 126# Get the list of IPv6 interfaces to configure by breaking 127# /etc/hostname6.* into separate args by using "." as a shell separator 128# character. 129# 130interface_names="`echo /etc/hostname6.*[0-9] 2>/dev/null`" 131if [ "$interface_names" != "/etc/hostname6.*[0-9]" ]; then 132 ORIGIFS="$IFS" 133 IFS="$IFS." 134 set -- $interface_names 135 IFS="$ORIGIFS" 136 while [ $# -ge 2 ]; do 137 shift 138 if [ $# -gt 1 -a "$2" != "/etc/hostname6" ]; then 139 while [ $# -gt 1 -a "$1" != "/etc/hostname6" ]; do 140 shift 141 done 142 else 143 inet6_list="$inet6_list $1" 144 shift 145 fi 146 done 147fi 148 149 150# 151# Step through the IPv4 interface list and try to plumb every interface. 152# Generate list of plumbed and failed IPv4 interfaces. 153# 154if [ -n "$inet_list" ]; then 155 set -- $inet_list 156 while [ $# -gt 0 ]; do 157 /sbin/ifconfig $1 plumb 158 if /sbin/ifconfig $1 inet >/dev/null 2>&1; then 159 inet_plumbed="$inet_plumbed $1" 160 else 161 inet_failed="$inet_failed $1" 162 fi 163 shift 164 done 165 [ -n "$inet_failed" ] && warn_failed_ifs "plumb IPv4" $inet_failed 166fi 167 168# 169# Step through the IPv6 interface list and plumb every interface. 170# Generate list of plumbed and failed IPv6 interfaces. Each plumbed 171# interface will be brought up later, after processing any contents of 172# the /etc/hostname6.* file. 173# 174if [ -n "$inet6_list" ]; then 175 set -- $inet6_list 176 while [ $# -gt 0 ]; do 177 /sbin/ifconfig $1 inet6 plumb 178 if /sbin/ifconfig $1 inet6 >/dev/null 2>&1; then 179 inet6_plumbed="$inet6_plumbed $1" 180 else 181 inet6_failed="$inet6_failed $1" 182 fi 183 shift 184 done 185 [ -n "$inet6_failed" ] && warn_failed_ifs "plumb IPv6" $inet6_failed 186fi 187 188# 189# Process the /etc/hostname.* files of plumbed IPv4 interfaces. If an 190# /etc/hostname file is not present or is empty, the ifconfig auto-dhcp 191# / auto-revarp command will attempt to set the address, later. 192# 193# If /etc/hostname.lo0 exists the loop below will do additional 194# configuration of lo0. 195# 196if [ -n "$inet_plumbed" ]; then 197 i4s_fail= 198 echo "configuring IPv4 interfaces:\c" 199 set -- $inet_plumbed 200 while [ $# -gt 0 ]; do 201 inet_process_hostname /sbin/ifconfig $1 inet \ 202 </etc/hostname.$1 >/dev/null 203 [ $? != 0 ] && i4s_fail="$i4s_fail $1" 204 echo " $1\c" 205 shift 206 done 207 echo "." 208 [ -n "$i4s_fail" ] && warn_failed_ifs "configure IPv4" $i4s_fail 209fi 210 211# 212# Process the /etc/hostname6.* files of plumbed IPv6 interfaces. After 213# processing the hostname6 file, bring the interface up. If 214# /etc/hostname6.lo0 exists the loop below will do additional 215# configuration of lo0. 216# 217if [ -n "$inet6_plumbed" ]; then 218 i6_fail= 219 echo "configuring IPv6 interfaces:\c" 220 set -- $inet6_plumbed 221 while [ $# -gt 0 ]; do 222 inet6_process_hostname /sbin/ifconfig $1 inet6 \ 223 </etc/hostname6.$1 >/dev/null && 224 /sbin/ifconfig $1 inet6 up 225 [ $? != 0 ] && i6_fail="$i6_fail $1" 226 echo " $1\c" 227 shift 228 done 229 echo "." 230 [ -n "$i6_fail" ] && warn_failed_ifs "configure IPv6" $i6_fail 231fi 232 233# Run DHCP if requested. Skip boot-configured interface. 234interface_names="`echo /etc/dhcp.*[0-9] 2>/dev/null`" 235if [ "$interface_names" != '/etc/dhcp.*[0-9]' ]; then 236 # 237 # First find the primary interface. Default to the first 238 # interface if not specified. First primary interface found 239 # "wins". Use care not to "reconfigure" a net-booted interface 240 # configured using DHCP. Run through the list of interfaces 241 # again, this time trying DHCP. 242 # 243 i4d_fail= 244 firstif= 245 primary= 246 ORIGIFS="$IFS" 247 IFS="${IFS}." 248 set -- $interface_names 249 250 while [ $# -ge 2 ]; do 251 shift 252 [ -z "$firstif" ] && firstif=$1 253 254 for i in `shcat /etc/dhcp\.$1`; do 255 if [ "$i" = primary ]; then 256 primary=$1 257 break 258 fi 259 done 260 261 [ -n "$primary" ] && break 262 shift 263 done 264 265 [ -z "$primary" ] && primary="$firstif" 266 cmdline=`shcat /etc/dhcp\.${primary}` 267 268 if [ "$_INIT_NET_IF" != "$primary" ]; then 269 echo "starting DHCP on primary interface $primary" 270 /sbin/ifconfig $primary auto-dhcp primary $cmdline 271 # Exit code 4 means ifconfig timed out waiting for dhcpagent 272 [ $? != 0 ] && [ $? != 4 ] && i4d_fail="$i4d_fail $primary" 273 fi 274 275 set -- $interface_names 276 277 while [ $# -ge 2 ]; do 278 shift 279 cmdline=`shcat /etc/dhcp\.$1` 280 if [ "$1" != "$primary" -a \ 281 "$1" != "$_INIT_NET_IF" ]; then 282 echo "starting DHCP on interface $1" 283 /sbin/ifconfig $1 dhcp start wait 0 $cmdline 284 # Exit code can't be timeout when wait is 0 285 [ $? != 0 ] && i4d_fail="$i4d_fail $1" 286 fi 287 shift 288 done 289 IFS="$ORIGIFS" 290 unset ORIGIFS 291 [ -n "$i4d_fail" ] && warn_failed_ifs "configure IPv4 DHCP" $i4d_fail 292fi 293 294# In order to avoid bringing up the interfaces that have 295# intentionally been left down, perform RARP only if the system 296# has no configured hostname in /etc/nodename 297hostname="`shcat /etc/nodename 2>/dev/null`" 298if [ "$_INIT_NET_STRATEGY" = "rarp" -o -z "$hostname" ]; then 299 /sbin/ifconfig -adD4 auto-revarp netmask + broadcast + up 300fi 301 302# 303# Process IPv4 and IPv6 interfaces that failed to plumb. Find an 304# alternative interface to host the addresses. 305# 306[ -n "$inet_failed" ] && move_addresses inet 307 308[ -n "$inet6_failed" ] && move_addresses inet6 309 310# 311# If the /etc/defaultrouter file exists, process it now so that the next 312# stage of booting will have access to NFS. 313# 314if [ -f /etc/defaultrouter ]; then 315 while read router rubbish; do 316 case "$router" in 317 '#'* | '') ;; # Ignore comments, empty lines 318 *) /sbin/route -n add default -gateway $router ;; 319 esac 320 done </etc/defaultrouter 321fi 322 323# 324# We tell smf this service is online if any of the following is true: 325# - no interfaces were configured for plumbing and no DHCP failures 326# - any non-loopback IPv4 interfaces are up and have a non-zero address 327# - there are any DHCP interfaces started 328# - any non-loopback IPv6 interfaces are up 329# 330# If we weren't asked to configure any interfaces, exit 331if [ -z "$inet_list" ] && [ -z "$inet6_list" ]; then 332 # Config error if DHCP was attempted without plumbed interfaces 333 [ -n "$i4d_fail" ] && exit $SMF_EXIT_ERR_CONFIG 334 exit $SMF_EXIT_OK 335fi 336 337# Any non-loopback IPv4 interfaces with usable addresses up? 338if [ -n "`/sbin/ifconfig -a4u`" ]; then 339 /sbin/ifconfig -a4u | while read intf addr rest; do 340 [ $intf = inet ] && [ $addr != 127.0.0.1 ] && 341 [ $addr != 0.0.0.0 ] && exit 0 342 done && exit $SMF_EXIT_OK 343fi 344 345# Any DHCP interfaces started? 346[ -n "`/sbin/ifconfig -a4 dhcp status 2>/dev/null`" ] && exit $SMF_EXIT_OK 347 348# Any non-loopback IPv6 interfaces up? 349if [ -n "`/sbin/ifconfig -au6`" ]; then 350 /sbin/ifconfig -au6 | while read intf addr rest; do 351 [ $intf = inet6 ] && [ $addr != ::1/128 ] && exit 0 352 done && exit $SMF_EXIT_OK 353fi 354 355# This service was supposed to configure something yet didn't. Exit 356# with config error. 357exit $SMF_EXIT_ERR_CONFIG 358