#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#ident	"%Z%%M%	%I%	%E% SMI"
#
# zoneunshare  -- unshare zone resources

# Processes the specified sharetab file and unshare
# all entries shared by the specfied zone

setvar USAGE = ""zoneunshare -z zonename [- | file]""
set -- $(getopt z: $ifsjoin(ARGV))
if test $Status != 0		# invalid options
	{
	echo $USAGE >&2
	exit 1
}
for i in [$ifsjoin(ARGV)]		# pick up the options
{
	match $i {
	with -z  setvar zonename = "$2"; shift 2
	with --  shift; break
	}
}

setvar zoneattr = $(/usr/sbin/zoneadm -z $zonename list -p )
if test $Status -ne 0		# invalid zone
	{
	echo $USAGE >&2
	exit 1
}

setvar prefix = $(echo $zoneattr | cut -d ":" -f4)
setvar rootpath = "$prefix/root"

if test $Argc -gt 1		# accept only one argument
{
	echo $USAGE >&2
	exit 1
} elif test $Argc = 1
{
	match $1 {
	with -	setvar infile = ''	# use stdin
	with *	setvar infile = "$1"	# use a given source file
	}
} else {
	setvar infile = '/etc/dfs/sharetab'	# default
}

# Run unshare for each resource in its own shell

while read line				# get complete lines
{
	echo $line
} < $infile |
	$(egrep "^$rootpath"|nawk '{ print "/usr/sbin/unshare " $1 ";" }'|/sbin/sh)