#!/usr/bin/perl
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Yokogawa Electric Corporation.
# All rights reserved.
# 
# Redistribution and use of this software in source and binary
# forms, with or without modification, are permitted provided that
# the following conditions and disclaimer are agreed and accepted
# by the user:
# 
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with
#    the distribution.
# 
# 3. Neither the names of the copyrighters, the name of the project
#    which is related to this software (hereinafter referred to as
#    "project") nor the names of the contributors may be used to
#    endorse or promote products derived from this software without
#    specific prior written permission.
# 
# 4. No merchantable use may be permitted without prior written
#    notification to the copyrighters.
# 
# 5. The copyrighters, the project and the contributors may prohibit
#    the use of this software at any time.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHTERS, THE PROJECT AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING
# BUT NOT LIMITED THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.  IN NO EVENT SHALL THE
# COPYRIGHTERS, THE PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# $TAHI: ct-dhcpv6/dhcpv6.tahi/S_RFC3736_5.2_SLDHCPInterID.seq,v 1.18 2006/03/14 01:16:29 mnaoki Exp $
########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: DHCPv6_1_0 $';
}

use strict;
use V6evalTool;
use DHCPv6_common;
use Server_pktdesc;

#--------------------------------------------------------------#
# Initialization
#--------------------------------------------------------------#
dhcpExitNS if ChkFuncSupport('STATELESSDHCP');

vLogHTML('<B>==== NUT Initialization ====</B><BR>');
my $IF0 = "Link0";
my $IF1 = "Link1";

my %NUT_Server_Config = (
	'if_nut0'=> "$V6evalTool::NutDef{Link0_device}",
	'if_add0' => "3ffe:501:ffff:100::a1a1",
	'if_length0' => "64",
	'if_type0'=> "unicast",
	'init_opcode' => "vRemote(\"dhcp6s.rmt\", \"start\",\"dns=3ffe::10\",\"stateless\",\"link0=$V6evalTool::NutDef{Link0_device}\",\"valduid=$DUID_CLIENT\")"
);

dhcpSvrInit(\%NUT_Server_Config);

# set Options
$CID_OPTION = "opt_CID_LLT_client1";
$OptionRequest_OPTION = "opt_ORO_dns_servers";
# Receive the Relay_Forward messge(Solicit)
my($ret1, %rfsol1) = send_relay_forward($IF0,"relayforward_infomationrequest_client1_to_alldhcp_send");
if (0 != $ret1){
	dhcpExitFail();
} 

# Send the Relay-reply message(Reply)
my ($ret2, %rradv2) = wait_for_relay_reply_reply($IF0,5,"relay_reply_server1_to_client1_1relay");
dhcpExitFail if(0 != $ret2);
dhcpExitError("NG: The interface ID is not correct in Relay-reply Message.<BR>") if (0 !=compare_options(\%rradv2,\%rfsol1,$CMP_IID));

#-------------------------------------------------------------------
vLogHTML("<B><FONT COLOR=#006666>The Message exchange is correct</FONT></B><BR>");
#-------------------------------------------------------------------
dhcpExitPass();
#NOTREACHED

########################################################################
__END__

=head1 NAME

  S_RFC3736_5.2_SLDHCPInterID.seq - Checking Interface-id option in Reply message

=head1 TARGET

  Server

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./S_RFC3736_5.2_SLDHCPInterID.seq">S_RFC3736_5.2_SLDHCPInterID.seq </A>[-tooloption ...]
 -pkt <A HREF="./S_RFC3736_5.2_SLDHCPInterID.def">S_RFC3736_5.2_SLDHCPInterID.def </A>
 -tooloption: v6eval tool option
See Also <A HREF="./DHCPv6.def"> DHCPv6.def </A>
 </PRE>

=head1 INITIALIZATION

=begin html
  <UL>
  <LI><STRONG>Network Topology</STRONG></LI>
  </UL>
  <PRE>
          TN(Client1)  
             |
Link0 -------+-----------+--------------- 3ffe:501:ffff:100::/64
                         |
                       NUT(Server1)
  </PRE>
  <UL>
      <LI><STRONG>Verification Points</STRONG></LI>
<PRE>
The Relay-reply message include interface-id option.
</PRE>
  </UL>
  <UL>
      <LI><STRONG>Configuration</STRONG></LI>
      <UL>
      <PRE>
      Option Request option in the Information-request message
      <LI>option-code</LI>
      <B>OPTION_ORO(6)</B>
      <LI>option-len</LI>
      Any
      <LI>requested-option-code-1</LI>
      <B>OPTION_INTERFACE_ID(18)</B>
      </PRE>
      </UL>
	<BLOCKQUOTE>
	<TABLE BORDER>
	<TR>
	<TD><TT>Device Name</TT></TD>
	<TD><TT>Device Type</TT></TD>
	<TD><TT>I/F</TT></TD>
	<TD><TT>Assigned Prefix</TT></TD>
	<TD><TT>Link Local Addr</TT></TD>
	<TD><TT>MAC Addr</TT></TD>
	</TR>
	<TR>
	<TD><TT>Server1</TT></TD>
	<TD><TT>NUT</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>NUT's Linklocal address</TT></TD>
	<TD><TT>NUT's MAC address</TT></TD>
	</TR>
	<TR>
	<TD><TT>Client1</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a2a2</TT></TD>
	<TD><TT>00:00:00:00:a2:a2</TT></TD>
	</TABLE>
	</BLOCKQUOTE>
	</UL>
</UL>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
       NUT     TN
        |       | 
        |       | initialize NUT (as a DHCPv6 Server)
        |       | 
        | <---- | Relay-Forward(Information-request w/interface-id option)
        | ----> | Reply-Reply (w/Interface-id option) (*1)
        |       | 
        |       | 
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1)PASS:  NUT returns the Relay-Reply message with Interface-id option.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
   see also RFC3736
   5.2. Options Required for Stateless DHCP Service
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut