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