#!/usr/sbin/sh
#
# Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
#

. /lib/svc/share/smf_include.sh
. /lib/svc/share/net_include.sh

#
# In a shared-IP zone we need this service to be up, but all of the work
# it tries to do is irrelevant (and will actually lead to the service 
# failing if we try to do it), so just bail out. 
# In the global zone and exclusive-IP zones we proceed.
#
smf_configure_ip || exit $SMF_EXIT_OK

case "$1" in
start)
	state=`$IPADM show-if -p -o state lo0 2>/dev/null`
	res=$?
	if [[ "$state" = "disabled" ]]; then
		$IPADM enable-if -t lo0
	elif [[ $res -ne 0 ]]; then
		#
		# If the loopback interface does not exist, we need to create
		# the interface and the IPv4 and IPv6 loopback addresses.
		#

		# IPv4 loopback
		$IPADM create-addr -T static -a 127.0.0.1/8 lo0/v4

		# IPv6 loopback
		$IPADM create-addr -T static -a ::1/128 lo0/v6
	fi

	# Trusted Extensions shares the loopback interface.
	# The all-zones prop is non-persistent so that a TX system
	# can be easily configured back to a standard Solaris system.
	if (smf_is_system_labeled); then
		if smf_is_globalzone; then
			$IPADM set-addrprop -t -p zone=all-zones lo0/v4
			$IPADM set-addrprop -t -p zone=all-zones lo0/v6
		fi
	fi
	;;

*)
	echo "Usage: $0 { start }"
	exit 1
	;;
esac

exit $SMF_EXIT_OK