#!/usr/bin/perl
#
#Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
#	Yokogawa Electric Corporation.
#All rights reserved.
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#   which is related to this software (hereinafter referred to as
#   "project") nor the names of the contributors may be used to
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#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)
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#STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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#POSSIBILITY OF SUCH DAMAGE.
#
#$Id: C_RFC3646_3_DnsSvrOpt.seq,v 1.3 2007/06/07 02:29:39 hide Exp $
###############################################################################
BEGIN{
	$V6evalTool::TestVersion = '$Name: DHCPv6_Self_Test_P2_1_0_14 $';
}
use strict;
use V6evalTool;

use lib '../.';
use DHCPv6_common;
use Client_pktdesc;

dhcpExitNS  if ChkFuncSupport('DNS');

#--------------------------------------------------------------#
# Initialize  variables
#--------------------------------------------------------------#
my $IF0_NUT = $V6evalTool::NutDef{"Link0_device"};
my $IF0 = "Link0";
vCapture($IF0);
#--------------------------------------------------------------#
# Initiate DHCPv6 Client
#--------------------------------------------------------------#
my $ret = initial_ra_w_ping($IF0,'ra_server2_to_all_MO_1');
if($ret == 0){
	vLogHTML('<FONT COLOR="#FF0000">Global Address of NUT is assigned by RA!</FONT><BR>');
	dhcpExitFail;
}

$ret = vRemote("dhcp6c.rmt", "start", "iana", "iaid=111111", "dns", "link0=$IF0_NUT");
if($ret != 0) {
	vLogHTML('<FONT COLOR="#FF0000">Cannot Initialize DHCPv6 Client program.</FONT><BR>');
	dhcpExitFail;
};
#--------------------------------------------------------------#
# 1. Wait until Solicit arrives 
#--------------------------------------------------------------#
my ($retsol,%sol) = wait_for_solicit($IF0,30) ;
if($retsol != 0){
	dhcpExitFail;
}
#--------------------------------------------------------------#
# Verification Point check
#--------------------------------------------------------------#
$ret = options_exist(\%sol, $CMP_ORO);
if($ret != 0){
	vLogHTML('<FONT COLOR="#FF0000">DHCPv6 Client should send Solicit with ORO(DNS Recursive Name Server option)!</FONT><BR>');
	dhcpExitFail;
}
my $option_base = "Frame_Ether.Packet_IPv6.Upp_UDP.Udp_DHCPv6_Solicit.Opt_DHCPv6_OptionRequest";
my $option_code = $option_base."."."Code";
my $option_len = $option_base."."."Length";
my $optionCode = $option_base."."."OptionCode";


if(defined $sol{$option_base}){
	vLogHTML("<B> ORO Code = $sol{$option_code} <B><BR>");
	vLogHTML("<B> ORO option Length = $sol{$option_len} <B><BR>");
	vLogHTML("<B> ORO option OptionCode = $sol{$optionCode} <B><BR>");
}
else{
	vLogHTML("<B> NO ORO option <B><BR>");
	dhcpExitFail;
}
my $optcode = lookup_OptRequestCode(\%sol,23);
if($optcode != 0){
	vLogHTML('<FONT COLOR="#FF0000">requested-option-code is not DNS Recursive Name Server option! </FONT><BR>');
	dhcpExitFail;
}
#if($sol{$optionCode} != 23){
#	vLogHTML('<FONT COLOR="#FF0000">requested-option-code is not DNS Recursive Name Server option</FONT><BR>');
#	dhcpExitFail;
#}
vClear($IF0);
vStop($IF0);
dhcpExitPass;
###############################################################################
__END__

=head1 NAME 

  C_RFC3646_3_DnsSvrOpt.seq - Check the format of DNS Recursive Name Server option

=head1 TARGET

  Client

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./C_RFC3646_3_DnsSvrOpt.seq"> C_RFC3646_3_DnsSvrOpt.seq</A> [-tooloption...] <BR>  -pkt  <A HREF="./C_RFC3646_3_DnsSvrOpt.def"> C_RFC3646_3_DnsSvrOpt.def</A> <BR>  -tooloption : v6eval tool option
<BR>
  See Also <A HREF="../DHCPv6.def"> DHCPv6.def </A> 
</PRE>

=end html

=head1 INITIALIZATION

=begin html
  <ul>
  <li><STRONG>Network Topology</STRONG></li> 
    <PRE>
          NUT(Client)
          |           
          |                        
Link0   --+--------+------------------------ 3ffe:501:ffff:100::/64
                   |
                   |          
                   TN(Server) 
  </PRE>
  </ul>
  <ul>
  <li><STRONG>Verification Points</STRONG></li><br>
    <PRE>
   The format of the Option Request option is:<BR>
       0                   1                   2                   3
       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |           OPTION_ORO          |           option-len          |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |    requested-option-code-1    |    requested-option-code-2    |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |                              ...                              |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
<BR>
      option-code   OPTION_ORO (6).
<BR>
      option-len    2 * number of requested options.
<BR>
      requested-option-code-n The option code for an option requested by
                    the client.
    </PRE>
  </ul>
  <ul>  
  <li><STRONG>Configurations</STRONG></li><br>
    <BR>
    <TABLE BORDER="1">
    <TR>
    <TD><TT>Device Name</TT></TD>
    <TD><TT>Device Type</TT></TD>
    <TD><TT>Interface</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>Client</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>Server</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:a1a1</TT></TD>
    <TD><TT>00:00:00:00:a1:a1</TT></TD>
    </TR>
    </TABLE>
  </ul>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
<BR>
       NUT      TN
        |       | 
        |       |Initialize NUT(as a DHCPv6 Client)
        | ----> |<B>Solicit</B> w/ORO(DNS Recursive Name Server option) (1*)
        |       |
        |       |
<BR>  
</PRE>

=end html

=head1 JUDGEMENT

=begin html
<PRE>
  (1*)PASS: NUT transmits Solicit message with ORO(DNS Recursive Name Server option).
</PRE>

=end html

=head1 TERMINATION

=begin html
<PRE>
  N/A
</PRE>

=end html

=head1 REFERENCE

=begin html
<PRE>
  Also see RFC3646
<BR>
  3.  DNS Recursive Name Server option
<BR>
</PRE>

=end html

=head1 SEE ALSO

=begin html
<PRE>
<BR>
  perldoc  V6evalTool
<BR>
</PRE>

=end html