sctp-idata-18.pkt

//
// Copyright (c) 2014 Irene Ruengeler
// Copyright (c) 2016 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
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR 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.
//

// Create a passive non-blocking 1-to-1 style socket not supporting I_DATA.
+0.0 socket(..., SOCK_STREAM, IPPROTO_SCTP) = 3
+0.0 fcntl(3, F_GETFL) = 0x02 (flags O_RDWR)
+0.0 fcntl(3, F_SETFL, O_RDWR | O_NONBLOCK) = 0
+0.0 setsockopt(3, IPPROTO_SCTP, SCTP_INITMSG, {sinit_num_ostreams=1,
                                                sinit_max_instreams=1,
                                                sinit_max_attempts=0,
                                                sinit_max_init_timeo=0}, 8) = 0
+0.0 bind(3, ..., ...) = 0
+0.0 listen(3, 1) = 0
// Establish an association not supporting I_DATA.
+0.0 < sctp: INIT[flgs=0, tag=1, a_rwnd=1500, os=1, is=1, tsn=1,
                  SUPPORTED_EXTENSIONS[types=[I_DATA]]]
+0.0 > sctp: INIT_ACK[flgs=0, tag=2, a_rwnd=..., os=1, is=1, tsn=1, ...]
+0.1 < sctp: DATA[flgs=BE, len=20, tsn=1, sid=0, ssn=0, ppid=1234];
             COOKIE_ECHO[flgs=0, len=..., val=...]
+0.0 > sctp: ABORT[flgs=T]
+0.0 close(3) = 0