#!/bin/sh
# $Revision: 340 $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# Supports: AIX, Linux

if [ -z "${nisincluded}" ]
then

nisincluded=1

. lib/misc/file

nis_authentication_in_use () {
	# ldap_nis    Uses LDAP NIS services for resolving names
	# nis4        Uses NIS services for resolving only IPv4 addresses
	# nis6        Uses NIS services for resolving only IPv6 addresses
	# nis+4       Uses NIS plus services for resolving only IPv4 addresses
	# nis+6       Uses NIS plus services for resolving only IPv6 addresses
	# ldap_nis4   Uses NIS LDAP services for resolving only IPv4 addresses
	# ldap_nis6   Uses NIS LDAP services for resolving only IPv6 addresses
	if [ "`uname`" = "AIX" -a "`file_is_readable_file \"/etc/netsvc.conf\"`" -eq 1 ]
	then
		if [ -n "`egrep -- \"^host\" \"/etc/netsvc.conf\" | egrep -- \"nis\"`" ]
		then
			printf -- "1\n"
		else
			printf -- "0\n"
		fi
	elif [ "`file_is_readable_file \"/etc/nsswitch.conf\"`" -eq 1 ]
	then
		if [ -n "`egrep -- \"^passwd\" \"/etc/nsswitch.conf\" | egrep -- \"nis\"`" ]
		then
			printf -- "1\n"
		else
			printf -- "0\n"
		fi
	else
		printf -- "0\n"
	fi
}

fi