sctp-bdc-i-7-1.pkt

//
// Copyright (c) 2015 Julian Cordes, Nils Frenking, Jens Hoelscher
// Copyright (c) 2015 Michael Tuexen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 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.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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//

// Create a listening socket
+0.0 socket(..., SOCK_STREAM, IPPROTO_SCTP) = 3
+0.0 bind(3, ..., ...) = 0
+0.0 listen(3, 1) = 0
// Inject a packet containing an INIT chunk bundled with a DATA chunk
+0.0 < sctp: INIT[flgs=0, tag=1, a_rwnd=1500, os=1, is=1, tsn=1];
             DATA[flgs=BE, len=116, tsn=1, sid=0, ssn=0, ppid=0]
// It MUST be silently discarded. So check by a new INIT/INIT-ACK exchange
+1.0 < sctp: INIT[flgs=0, tag=1, a_rwnd=1500, os=1, is=1, tsn=1]
+0.0 > sctp: INIT_ACK[flgs=..., tag=2, a_rwnd=..., os=..., is=..., tsn=1, ...]