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Diffstat (limited to 'rawss7.h')
| -rw-r--r-- | rawss7.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/rawss7.h b/rawss7.h new file mode 100644 index 0000000..8f8d058 --- /dev/null +++ b/rawss7.h @@ -0,0 +1,105 @@ +/* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */ +/* + * Copyright (c) 2003 - The tcpdump group. + * + * 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. + * 3. Neither the name of the University nor of the Laboratory may be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#) $Header: /tcpdump/master/libpcap/rawss7.h,v 1.1 2003/09/10 19:55:36 mcr Exp $ (LBL) + */ + +/* + * This file is never used in libpcap or tcpdump. It is provided as + * documentation linktypes 139 through 142 only. + */ + +/* + * Date: Tue, 09 Sep 2003 09:41:04 -0400 + * From: Jeff Morriss <jeff.morriss[AT]ulticom.com> + * To: tcpdump-workers@tcpdump.org + * Subject: [tcpdump-workers] request for LINKTYPE_ + * + * We've had some discussion over on ethereal-dev about a "fake link" or + * "raw SS7" dissector that allows dumping an arbitrary protocol into a + * file without any (otherwise necessary) lower level protocols. The + * common example has been dumping MTP3 into a file without, well, MTP2 or + * M2PA. + * + * We want to store these protocols directly in PCAP file format because + * it's well defined and there isn't another (popular) file format for + * capturing SS7 messages that we can reverse engineer (and we want to read + * these files into Ethereal). Rather than creating a new file format, it's + * a lot easier to just allocate a LINKTYPE_. + * + * Here is the original post thread: + * + * http://ethereal.com/lists/ethereal-dev/200306/threads.html#00200 + * + * July's thread on the subject: + * + * http://ethereal.com/lists/ethereal-dev/200307/threads.html#00124 + * + * August's thread: + * + * http://ethereal.com/lists/ethereal-dev/200308/threads.html#00193 + * + * + * and one of the last messages--which is why I'm mailing you today: + * + * http://ethereal.com/lists/ethereal-dev/200308/msg00193.html + * + * + * Based on the message in the last URL, I'd like to request a new + * LINKTYPE_: LINKTYPE_RAWSS7. + * + * This packets in this file type will contain a header: + */ + +typedef struct _rawss7_hdr { + /* NOTE: These are in network-byte order. */ + guint32 type; + guint16 length; + guint16 spare; +} rawss7_hdr; + +/* + * + * followed by protocol data for whatever protocol 'type' indicates. + * + * There was some discussion about these protocol 'type's being allocated by + * tcpdump-workers as well. In fact it would be handy to have one place to + * allocate such numbers, so what do you think about allocating 3 more (for + * now) LINKTYPE_'s: + */ + +#define LINKTYPE_RAWSS7_MTP2 140 +#define LINKTYPE_RAWSS7_MTP3 141 +#define LINKTYPE_RAWSS7_SCCP 142 + +/* + * + * There is no reason this can't be used to store non-SS7 protocols, but + * it's what we need to use it for now... + * + */ |
