#!/usr/bin/perl
#
# SCTP Conformance Test Suite Implementation
# (C) Copyright Fujitsu Ltd. 2008, 2009
#
# This file is part of the SCTP Conformance Test Suite implementation.
#
# The SCTP Conformance Test Suite implementation is free software;
# you can redistribute it and/or modify it under the terms of
# the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
# The SCTP Conformance Test Suite implementation 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 GNU CC; see the file COPYING.  If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# Please send any bug reports or fixes you make to the
# email address(es):
#    networktest sctp <networktest-sctp@lists.sourceforge.net>
#
# Or submit a bug report through the following website:
#    http://networktest.sourceforge.net/
#
# Written or modified by:
#    Hiroaki Kago <linuxsctp-kg@ml.css.fujitsu.com>
#    Wei Yongjun <yjwei@cn.fujitsu.com>
#
# Any bugs reported given to us we will try to fix... any fixes shared will
# be incorporated into the next SCTP release.
#
##############################################################################
BEGIN {	$V6evalTool::TestVersion = '$Name: REL_1_0_0 $'; }

use lib "../common";
use V6evalTool;
use SCTP;

%pktdesc = (
	sctp_chunk_init_tag_zero	=> "Send SCTP CHUNK_INIT (with initiate tag = 0)",
	sctp_chunk_abort_tag_zero	=> "Recv SCTP CHUNK_ABORT",
);

$IF0 = Link0;

vCapture($IF0);

sctpCheckEnv($IF0);

sctpStartServer($IF0);

vLogHTML('<B>================ Main Test =================</B>');

vSend($IF0, sctp_chunk_init_tag_zero);

%ret = vWarpRecv($IF0, 10, 0, 0, sctp_chunk_abort_tag_zero);
if($ret{status} != 0 || $ret{recvFrame} ne sctp_chunk_abort_tag_zero) {
	vLogHTML('Cannot receive SCTP CHUNK_ABORT<BR>');
	vLogHTML('<FONT COLOR="#00FF00">NG</FONT>'); 
	exit $V6evalTool::exitFail;
}

vLogHTML(OK);
exit $V6evalTool::exitPass;

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

=head1 NAME

  InitWithZeroTag.seq - INIT chunk is received with initiate tag set to zero

=head1 PURPOSE

  To check that if INIT chunk is received with initiate tag set to zero, the
  endpoint should responded it with ABORT chunk.

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./InitWithZeroTag.seq">./InitWithZeroTag.seq</A> [-tooloption ...] -pkt <A HREF="./InitWithZeroTag.def">./InitWithZeroTag.def</A>
    -tooloption : v6eval tool option
  See Also: <A HREF="../common/STD_PKT_COMMON.def">../common/STD_PKT_COMMON.def</A>
            <A HREF="../common/SCTP_COMMON.def">../common/SCTP_COMMON.def</A>
</PRE>

=end html

=head1 PRE-TEST CONDITION

  Association is not established between endpoint A and B. Arrange the
  data in endpoint A such that INIT message with initiate tag set to
  zero is sent to endpoint B.

=head1 TEST PROCEDURE

  Endpoint A                           Endpoint B                ULP
  (CLOSED)                             (CLOSED)

  INIT          ----------------->
  (with initiate tag set to zero)
                <-----------------      ABORT

  TEST DESCRIPTION:

  1. Attempt to make an association from endpoint A to endpoint B. Send 
     INIT message with initiate tag set to zero.
     Record the message sequence using a signal emulator.
  2. Check A: INIT message is responded with ABORT.

=head1 NOTE

  None

=head1 REFERENCE

  RFC 4960

  3.3.2.  Initiation (INIT) (1)

    Initiate Tag: 32 bits (unsigned integer)

      The receiver of the INIT (the responding end) records the value of
      the Initiate Tag parameter.  This value MUST be placed into the
      Verification Tag field of every SCTP packet that the receiver of
      the INIT transmits within this association.

      The Initiate Tag is allowed to have any value except 0.  See
      Section 5.3.1 for more on the selection of the tag value.

=begin html
<PRE>
      If the value of the Initiate Tag in a received INIT chunk is found
      to be 0, the receiver MUST treat it as an error and close the
      association by transmitting an ABORT.
</PRE>

=end html