xref: /illumos-gate/usr/src/cmd/svc/milestone/identity-node (revision 84ab085a13f931bc78e7415e7ce921dbaa14fcb3)
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 (c) 1984, 1986, 1987, 1988, 1989 AT&T.
25# All rights reserved.
26#
27#
28# Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
29# Use is subject to license terms.
30#
31# ident	"%Z%%M%	%I%	%E% SMI"
32
33. /lib/svc/share/smf_include.sh
34. /lib/svc/share/net_include.sh
35
36# Make sure that the libraries essential to this stage of booting can be found.
37LD_LIBRARY_PATH=/lib; export LD_LIBRARY_PATH
38
39#
40# If DHCP was used on a primary interface then set the hostname
41# that was returned. If no hostname was returned, set the name
42# to be "unknown". The hostname must be set to something, because
43# tooltalk will hang unless the name can be locally resolved.
44# Sendmail also requires the name to be resolvable locally.
45# Later, in inetsvc, we create a name "unknown" and create a entry
46# in the local /etc/inet/hosts file pairing "unknown" with the IP
47# address assigned by DHCP.  The use of bootparams as a fallback
48# for all non-DHCP cases provides compatibility with the
49# behavior of the system before netstrategy was introduced.
50#
51# For non-global zones, fall back to the `uname -n` value provided by the
52# kernel if /etc/nodename does not exist, as is expected on an initial boot.
53#
54
55smf_netstrategy
56
57case "$_INIT_NET_STRATEGY" in
58	"dhcp") hostname=`/sbin/dhcpinfo Hostname` ;;
59	"rarp") hostname=`/sbin/hostconfig -h -p bootparams`
60		trap 'intr=1' 2 3
61		while [ -z "$hostname" -a ! -f /etc/.UNCONFIGURED -a \
62		    -z "$intr" ]; do
63			echo "re-trying host configuration..."
64			# Restrict this to IPv4 interfaces.
65			/sbin/ifconfig -adD4 auto-revarp up
66			hostname=`/sbin/hostconfig -h -p bootparams`
67		done
68		trap 2 3 ;;
69	"none") hostname="`shcat /etc/nodename 2>/dev/null`"
70       		if [ -z "$hostname" ]; then
71			if [ "${_INIT_ZONENAME:=`/sbin/zonename`}" = "global" ]
72			then
73				hostname=`/sbin/hostconfig -h -p bootparams`
74			else
75				hostname=`/sbin/uname -n`
76			fi
77		fi ;;
78esac
79
80#
81# If the netstrategy was unsuccessful and we haven't got a locally configured
82# name, default to "unknown"
83#
84if [ -z "$hostname" ]; then
85	hostname="`shcat /etc/nodename 2>/dev/null`"
86	if [ -z "$hostname" ]; then
87		hostname="unknown"
88	fi
89fi
90
91/sbin/uname -S $hostname
92
93echo "Hostname: `/sbin/uname -n`" > /dev/msglog
94
95# Reset the library path now that we are past the critical stage
96unset LD_LIBRARY_PATH
97