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From Christian Falckenberg: beginnings of a MEGACO dissector. 

Move SCTP payload protocol IDs to a header file, and get the PPIDs from
that header file rather than defining them in dissectors running atop
SCTP.  Use both the old(?) and official PPID for ASAP.

svn path=/trunk/; revision=6926
This commit is contained in:
Guy Harris 2003-01-14 23:53:40 +00:00
parent e3fe8c0d34
commit a002a0fec4
25 changed files with 958 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
AUTHORS
View File

@ -1568,6 +1568,10 @@ Anders Broman <a.broman [AT] telia.com> {
Additional SCTP payload protocol identifiers
}
Christian Falckenberg <christian.falckenberg [AT] nortelnetworks.com> {
Initial MEGACO support
}
Alain Magloire <alainm[AT]rcsm.ece.mcgill.ca> was kind enough to
give his permission to use his version of snprintf.c.

7
Makefile.am
View File

@ -1,7 +1,7 @@
# Makefile.am
# Automake file for Ethereal
#
# $Id: Makefile.am,v 1.537 2003/01/14 01:17:44 guy Exp $
# $Id: Makefile.am,v 1.538 2003/01/14 23:53:32 guy Exp $
#
# Ethereal - Network traffic analyzer
# By Gerald Combs <gerald@ethereal.com>
@ -426,6 +426,7 @@ plugin_src = \
plugins/giop/packet-cosnaming.c \
plugins/giop/packet-coseventcomm.c \
plugins/gryphon/packet-gryphon.c \
plugins/megaco/packet-megaco.c \
plugins/mgcp/packet-mgcp.c \
plugins/pcli/packet-pcli.c
@ -456,6 +457,7 @@ plugin_static_ldadd = \
plugins/giop/packet-cosnaming-static.o \
plugins/giop/packet-coseventcomm-static.o \
plugins/gryphon/packet-gryphon-static.o \
plugins/megaco/packet-megaco-static.o \
plugins/mgcp/packet-mgcp-static.o \
plugins/pcli/packet-pcli-static.o
@ -464,6 +466,7 @@ plugin_libs = \
plugins/giop/cosnaming.la \
plugins/giop/coseventcomm.la \
plugins/gryphon/gryphon.la \
plugins/megaco/megaco.la \
plugins/mgcp/mgcp.la \
plugins/pcli/pcli.la
@ -473,6 +476,7 @@ plugin_ldadd = \
"-dlopen" plugins/giop/cosnaming.la \
"-dlopen" plugins/giop/coseventcomm.la \
"-dlopen" plugins/gryphon/gryphon.la \
"-dlopen" plugins/megaco/megaco.la \
"-dlopen" plugins/mgcp/mgcp.la \
"-dlopen" plugins/pcli/pcli.la
else
@ -679,6 +683,7 @@ ETHEREAL_COMMON_SRC = \
ringbuffer.c \
ringbuffer.h \
rpc_defrag.h \
sctpppids.h \
smb.h \
tap.c \
tap.h \

3
configure.in
View File

@ -1,4 +1,4 @@
# $Id: configure.in,v 1.191 2003/01/10 00:03:33 guy Exp $
# $Id: configure.in,v 1.192 2003/01/14 23:53:32 guy Exp $
dnl
dnl Process this file with autoconf 2.13 or later to produce a
dnl configure script; 2.12 doesn't generate a "configure" script that
@ -761,6 +761,7 @@ AC_OUTPUT(
plugins/docsis/Makefile
plugins/giop/Makefile
plugins/gryphon/Makefile
plugins/megaco/Makefile
plugins/mgcp/Makefile
plugins/pcli/Makefile
tools/Makefile

1
doc/ethereal.pod.template
View File

@ -1684,6 +1684,7 @@ B<http://www.ethereal.com>.
James Harris <jharris [AT] fourhorsemen.org>
rmkml <rmkml [AT] wanadoo.fr>
Anders Broman <a.broman [AT] telia.com>
Christian Falckenberg <christian.falckenberg [AT] nortelnetworks.com>
Alain Magloire <alainm[AT]rcsm.ece.mcgill.ca> was kind enough to give his
permission to use his version of snprintf.c.

9
packet-asap.c
View File

@ -6,7 +6,7 @@
*
* Copyright 2002, Michael Tuexen <Michael.Tuexen@icn.siemens.de>
*
* $Id: packet-asap.c,v 1.6 2002/11/28 03:57:49 guy Exp $
* $Id: packet-asap.c,v 1.7 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -34,8 +34,7 @@
#endif
#include <epan/packet.h>
#define ASAP_PAYLOAD_PROTO_ID 4209948113u /* = 0xFAEEB5D1 */
#include "sctpppids.h"
/* Initialize the protocol and registered fields */
static int proto_asap = -1;
@ -844,5 +843,7 @@ proto_reg_handoff_asap(void)
dissector_handle_t asap_handle;
asap_handle = create_dissector_handle(dissect_asap, proto_asap);
dissector_add("sctp.ppi", ASAP_PAYLOAD_PROTO_ID, asap_handle);
dissector_add("sctp.ppi", ASAP_PAYLOAD_PROTOCOL_ID, asap_handle);
/* XXX - is 0xFAEEB5D1 still being used? */
dissector_add("sctp.ppi", ASAP_OLD_PAYLOAD_PROTOCOL_ID, asap_handle);
}

8
packet-iua.c
View File

@ -8,7 +8,7 @@
*
* Copyright 2002, Michael Tuexen <Michael.Tuexen[AT]siemens.com>
*
* $Id: packet-iua.c,v 1.18 2002/12/02 20:04:44 guy Exp $
* $Id: packet-iua.c,v 1.19 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -37,6 +37,7 @@
#include <epan/packet.h>
#include "prefs.h"
#include "sctpppids.h"
#define NETWORK_BYTE_ORDER FALSE
@ -896,7 +897,6 @@ proto_register_iua(void)
};
#define SCTP_PORT_IUA 9900
#define IUA_PAYLOAD_PROTO_ID 1
void
proto_reg_handoff_iua(void)
@ -906,6 +906,6 @@ proto_reg_handoff_iua(void)
iua_handle = create_dissector_handle(dissect_iua, proto_iua);
q931_handle = find_dissector("q931");
dissector_add("sctp.port", SCTP_PORT_IUA, iua_handle);
dissector_add("sctp.ppi", IUA_PAYLOAD_PROTO_ID, iua_handle);
dissector_add("sctp.port", SCTP_PORT_IUA, iua_handle);
dissector_add("sctp.ppi", IUA_PAYLOAD_PROTOCOL_ID, iua_handle);
}

6
packet-m2pa.c
View File

@ -7,7 +7,7 @@
* Copyright 2001, 2002, Jeff Morriss <jeff.morriss[AT]ulticom.com>,
* updated by Michael Tuexen <michael.tuexen[AT]siemens.com>
*
* $Id: packet-m2pa.c,v 1.15 2002/11/09 19:00:09 tuexen Exp $
* $Id: packet-m2pa.c,v 1.16 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -37,10 +37,10 @@
#include <epan/packet.h>
#include "prefs.h"
#include "sctpppids.h"
#define NETWORK_BYTE_ORDER FALSE
#define SCTP_PORT_M2PA 3565
#define M2PA_PAYLOAD_PROTOCOL_ID 5
static int global_sctp_port = SCTP_PORT_M2PA;
static int sctp_port = 0;
@ -463,4 +463,4 @@ proto_reg_handoff_m2pa(void)
sctp_port = global_sctp_port;
dissector_add("sctp.port", sctp_port, m2pa_handle);
}
}

6
packet-m2tp.c
View File

@ -5,7 +5,7 @@
*
* Copyright 2001, Heinz Prantner <heinz.prantner[AT]radisys.com>
*
* $Id: packet-m2tp.c,v 1.5 2002/12/02 23:43:26 guy Exp $
* $Id: packet-m2tp.c,v 1.6 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -36,9 +36,9 @@
#include <glib.h>
#include <epan/packet.h>
#include "sctpppids.h"
#define SCTP_PORT_M2TP 9908 /* unassigned port number (not assigned by IANA) */
#define M2TP_PAYLOAD_PROTO_ID 99 /* s-link */
#define VERSION_LENGTH 1
#define RESERVED_LENGTH 1
@ -678,6 +678,6 @@ proto_reg_handoff_m2tp(void)
mtp2_handle = find_dissector("mtp2");
mtp2_proto_id = proto_get_id_by_filter_name("mtp2");
m2tp_handle = create_dissector_handle(dissect_m2tp, proto_m2tp);
dissector_add("sctp.ppi", M2TP_PAYLOAD_PROTO_ID, m2tp_handle);
dissector_add("sctp.ppi", M2TP_PAYLOAD_PROTOCOL_ID, m2tp_handle);
dissector_add("sctp.port", SCTP_PORT_M2TP, m2tp_handle);
}

6
packet-m2ua.c
View File

@ -6,7 +6,7 @@
*
* Copyright 2002, Michael Tuexen <Michael.Tuexen [AT] siemens.com>
*
* $Id: packet-m2ua.c,v 1.7 2002/12/03 09:31:48 tuexen Exp $
* $Id: packet-m2ua.c,v 1.8 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -34,9 +34,9 @@
#endif
#include <epan/packet.h>
#include "sctpppids.h"
#define SCTP_PORT_M2UA 2904
#define M2UA_PAYLOAD_PROTO_ID 2
#define NETWORK_BYTE_ORDER FALSE
@ -1109,6 +1109,6 @@ proto_reg_handoff_m2ua(void)
mtp3_handle = find_dissector("mtp3");
m2ua_handle = create_dissector_handle(dissect_m2ua, proto_m2ua);
dissector_add("sctp.ppi", M2UA_PAYLOAD_PROTO_ID, m2ua_handle);
dissector_add("sctp.ppi", M2UA_PAYLOAD_PROTOCOL_ID, m2ua_handle);
dissector_add("sctp.port", SCTP_PORT_M2UA, m2ua_handle);
}

6
packet-m3ua.c
View File

@ -9,7 +9,7 @@
*
* Copyright 2000, 2001, 2002, Michael Tuexen <Michael.Tuexen [AT] siemens.com>
*
* $Id: packet-m3ua.c,v 1.22 2002/12/02 23:43:27 guy Exp $
* $Id: packet-m3ua.c,v 1.23 2003/01/14 23:53:32 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -45,9 +45,9 @@
#include <epan/packet.h>
#include "prefs.h"
#include "sctpppids.h"
#define SCTP_PORT_M3UA 2905
#define M3UA_PAYLOAD_PROTO_ID 3
#define VERSION_LENGTH 1
#define RESERVED_LENGTH 1
@ -1885,6 +1885,6 @@ proto_reg_handoff_m3ua(void)
mtp3_handle = find_dissector("mtp3");
data_handle = find_dissector("data");
m3ua_handle = create_dissector_handle(dissect_m3ua, proto_m3ua);
dissector_add("sctp.ppi", M3UA_PAYLOAD_PROTO_ID, m3ua_handle);
dissector_add("sctp.ppi", M3UA_PAYLOAD_PROTOCOL_ID, m3ua_handle);
dissector_add("sctp.port", SCTP_PORT_M3UA, m3ua_handle);
}

19
packet-sctp.c
View File

@ -11,7 +11,7 @@
* - support for reassembly
* - code cleanup
*
* $Id: packet-sctp.c,v 1.47 2003/01/14 22:54:18 guy Exp $
* $Id: packet-sctp.c,v 1.48 2003/01/14 23:53:33 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -41,6 +41,7 @@
#include "prefs.h"
#include <epan/packet.h>
#include "ipproto.h"
#include "sctpppids.h"
/* Initialize the protocol and registered fields */
static int proto_sctp = -1;
@ -302,21 +303,6 @@ static const value_string sctp_cause_code_values[] = {
{ ABORT_DUE_TO_ILLEGAL_ASCONF, "Association Aborted due to illegal ASCONF-ACK" },
{ 0, NULL } };
#define NOT_SPECIFIED_PROTOCOL_ID 0
#define IUA_PAYLOAD_PROTOCOL_ID 1
#define M2UA_PAYLOAD_PROTOCOL_ID 2
#define M3UA_PAYLOAD_PROTOCOL_ID 3
#define SUA_PAYLOAD_PROTOCOL_ID 4
#define M2PA_PAYLOAD_PROTOCOL_ID 5
#define V5UA_PAYLOAD_PROTOCOL_ID 6
#define H248_PAYLOAD_PROTOCOL_ID 7
#define BICC_PAYLOAD_PROTOCOL_ID 8
#define TALI_PAYLOAD_PROTOCOL_ID 9
#define DUA_PAYLOAD_PROTOCOL_ID 10
#define ASAP_PAYLOAD_PROTOCOL_ID 11
#define ENRP_PAYLOAD_PROTOCOL_ID 12
#define H323_PAYLOAD_PROTOCOL_ID 13
static const value_string sctp_payload_proto_id_values[] = {
{ NOT_SPECIFIED_PROTOCOL_ID, "not specified" },
{ IUA_PAYLOAD_PROTOCOL_ID, "IUA" },
@ -332,6 +318,7 @@ static const value_string sctp_payload_proto_id_values[] = {
{ ASAP_PAYLOAD_PROTOCOL_ID, "ASAP" },
{ ENRP_PAYLOAD_PROTOCOL_ID, "ENRP" },
{ H323_PAYLOAD_PROTOCOL_ID, "H.323" },
{ ASAP_PAYLOAD_PROTOCOL_ID, "ASAP" },
{ 0, NULL } };
/* The structure of the common header is described by the following constants */

8
packet-sua.c
View File

@ -6,7 +6,7 @@
*
* Copyright 2000, Michael Tüxen <Michael.Tuexen [AT] siemens.com>
*
* $Id: packet-sua.c,v 1.11 2002/12/02 23:43:29 guy Exp $
* $Id: packet-sua.c,v 1.12 2003/01/14 23:53:33 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -42,9 +42,9 @@
#include <epan/packet.h>
#include "prefs.h"
#include "sctpppids.h"
#define SCTP_PORT_SUA 14001
#define SUA_PAYLOAD_PROTO_ID 4
#define RESERVED_1_LENGTH 1
#define RESERVED_2_LENGTH 2
@ -2750,6 +2750,6 @@ proto_reg_handoff_sua(void)
dissector_handle_t sua_handle;
sua_handle = create_dissector_handle(dissect_sua, proto_sua);
dissector_add("sctp.ppi", SUA_PAYLOAD_PROTO_ID, sua_handle);
dissector_add("sctp.port", SCTP_PORT_SUA, sua_handle);
dissector_add("sctp.ppi", SUA_PAYLOAD_PROTOCOL_ID, sua_handle);
dissector_add("sctp.port", SCTP_PORT_SUA, sua_handle);
}

4
plugins/Makefile.am
View File

@ -1,7 +1,7 @@
# Makefile.am
# Automake file for Ethereal
#
# $Id: Makefile.am,v 1.12 2002/10/03 02:56:57 hagbard Exp $
# $Id: Makefile.am,v 1.13 2003/01/14 23:53:38 guy Exp $
#
# Ethereal - Network traffic analyzer
# By Gerald Combs <gerald@ethereal.com>
@ -21,7 +21,7 @@
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
SUBDIRS = docsis giop gryphon mgcp pcli
SUBDIRS = docsis giop gryphon megaco mgcp pcli
plugindir = @plugindir@

11
plugins/Makefile.nmake
View File

@ -1,5 +1,5 @@
#
# $Id: Makefile.nmake,v 1.15 2002/10/03 02:56:57 hagbard Exp $
# $Id: Makefile.nmake,v 1.16 2003/01/14 23:53:38 guy Exp $
#
include ..\config.nmake
@ -13,7 +13,7 @@ CFLAGS=/DHAVE_CONFIG_H /I.. /I../wiretap /I. \
OBJECTS=plugin_api.obj
all: plugin_api.obj docsis giop gryphon mgcp pcli
all: plugin_api.obj docsis giop gryphon megaco mgcp pcli
docsis::
cd docsis
@ -30,6 +30,11 @@ gryphon::
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake
cd ..
megaco::
cd megaco
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake
cd ..
mgcp::
cd mgcp
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake
@ -48,6 +53,8 @@ clean:
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake clean
cd ../gryphon
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake clean
cd ../megaco
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake clean
cd ../mgcp
$(MAKE) /$(MAKEFLAGS) -f Makefile.nmake clean
cd ../pcli

19
plugins/megaco/.cvsignore Normal file
View File

@ -0,0 +1,19 @@
.deps
.libs
Makefile
Makefile.in
config.cache
config.h
config.h.in
config.log
config.status
configure
megaco.la
packet-megaco.lo
packet-megaco-static.lo
stamp-h
*.obj
*.dll
*.exp
*.lib
*.pdb

3
plugins/megaco/AUTHORS Normal file
View File

@ -0,0 +1,3 @@
Author:
Christian Falckenberg <christian.falckenberg@nortelnetworks.com>

340
plugins/megaco/COPYING Normal file
View File

@ -0,0 +1,340 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
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To protect your rights, we need to make restrictions that forbid
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6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
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POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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# Makefile.am
# Automake file for Megaco Ethereal plugin
#
# $Id: Makefile.am,v 1.1 2003/01/14 23:53:40 guy Exp $
#
# Ethereal - Network traffic analyzer
# By Gerald Combs <gerald@ethereal.com>
# Copyright 1998 Gerald Combs
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
INCLUDES = -I$(top_srcdir)
plugindir = @plugindir@
plugin_LTLIBRARIES = megaco.la
megaco_la_SOURCES = packet-megaco.c moduleinfo.h
megaco_la_LDFLAGS = -module -avoid-version
# Libs must be cleared, or else libtool won't create a shared module.
# If your module needs to be linked against any particular libraries,
# add them here.
LIBS =
megaco_la_DEPENDENCIES = packet-megaco-static.o
packet-megaco-static.o: packet-megaco.c moduleinfo.h
$(LTCOMPILE) -c -o packet-megaco-static.o -D__ETHEREAL_STATIC__ $(srcdir)/packet-megaco.c
CLEANFILES = \
megaco \
*~
EXTRA_DIST = \
Makefile.nmake

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#
# $Id: Makefile.nmake,v 1.1 2003/01/14 23:53:40 guy Exp $
#
include ..\..\config.nmake
############### no need to modify below this line #########
CFLAGS=/DHAVE_CONFIG_H /I../.. /I../../wiretap \
/I$(GLIB_DIR) /I$(GTK_DIR) /I$(GLIB_DIR)/gmodule \
/I$(GTK_DIR)\gdk /I$(GTK_DIR)\gdk\win32 \
/I$(PCAP_DIR)\include -D_U_="" $(LOCAL_CFLAGS)
OBJECTS=packet-megaco.obj
megaco.dll megaco.exp megaco.lib : packet-megaco.obj ..\plugin_api.obj
link -dll /out:megaco.dll packet-megaco.obj ..\plugin_api.obj \
$(GLIB_DIR)\glib-$(GLIB_VERSION).lib
clean:
rm -f $(OBJECTS) megaco.dll megaco.exp megaco.lib $(PDB_FILE)

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plugins/megaco/moduleinfo.h Normal file
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/* Included *after* config.h, in order to re-define these macros */
#ifdef PACKAGE
#undef PACKAGE
#endif
/* Name of package */
#define PACKAGE "megaco"
#ifdef VERSION
#undef VERSION
#endif
/* Version number of package */
#define VERSION "0.0.1"

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/* packet-megaco.c
* Routines for megaco packet disassembly
* RFC 3015
*
* Christian Falckenberg, 2002/10/17
* Copyright (c) 2002 by Christian Falckenberg
* <christian.falckenberg@nortelnetworks.com>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1999 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "plugins/plugin_api.h"
#include "moduleinfo.h"
#include <stdio.h>
#include <stdlib.h>
#include <gmodule.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
#include <epan/packet.h>
#include <epan/resolv.h>
#include "prefs.h"
#include <epan/strutil.h>
#include "sctpppids.h"
#include "plugins/plugin_api_defs.h"
#ifndef __ETHEREAL_STATIC__
G_MODULE_EXPORT const gchar version[] = VERSION;
#endif
#define PORT_MEGACO_TXT 2944
#define PORT_MEGACO_BIN 2945
void proto_reg_handoff_megaco(void);
/* Define the megaco proto */
static int proto_megaco = -1;
/* Define headers for megaco */
static int hf_megaco_version = -1;
static int hf_megaco_mid = -1;
static int hf_megaco_transaction = -1;
static int hf_megaco_transid = -1;
/* Define the tree for megaco */
static int ett_megaco = -1;
/*
* Here are the global variables associated with
* the various user definable characteristics of the dissection
*
* MEGACO has two kinds of message formats: text and binary
*
* global_megaco_raw_text determines whether we are going to display
* the raw text of the megaco message, much like the HTTP dissector does.
*
* global_megaco_dissect_tree determines whether we are going to display
* a detailed tree that expresses a somewhat more semantically meaningful
* decode.
*/
static int global_megaco_txt_tcp_port = PORT_MEGACO_TXT;
static int global_megaco_txt_udp_port = PORT_MEGACO_TXT;
static int global_megaco_bin_tcp_port = PORT_MEGACO_BIN;
static int global_megaco_bin_udp_port = PORT_MEGACO_BIN;
static gboolean global_megaco_raw_text = TRUE;
static gboolean global_megaco_dissect_tree = TRUE;
/*
* Variables to allow for proper deletion of dissector registration when
* the user changes port from the gui.
*/
static int txt_tcp_port = 0;
static int txt_udp_port = 0;
static int bin_tcp_port = 0;
static int bin_udp_port = 0;
/* Some basic utility functions that are specific to this dissector */
static gint tvb_skip_wsp(tvbuff_t* tvb, gint offset, gint maxlength);
/*
* The various functions that either dissect some
* subpart of MEGACO. These aren't really proto dissectors but they
* are written in the same style.
*/
static void megaco_raw_text_add(tvbuff_t *tvb,
proto_tree *tree);
/*
* dissect_megaco - The dissector for the MEGACO Protocol
*/
static void
dissect_megaco(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
gint tvb_len, len;
gint tvb_offset,tvb_current_offset,tvb_previous_offset, tokenlen;
proto_tree *megaco_tree, *ti;
proto_item* (*my_proto_tree_add_string)(proto_tree*, int, tvbuff_t*, gint,
gint, const char*);
guint8 word[7];
gint tvb_linebegin,tvb_lineend,linelen;
/* Initialize variables */
tvb_len = tvb_length(tvb);
megaco_tree = NULL;
ti = NULL;
tvb_previous_offset = 0;
tvb_current_offset = 0;
/*
* Check to see whether we're really dealing with MEGACO by looking
* for the MEGACO string. This needs to be improved when supporting
* binary encodings.
*/
if(!tvb_get_nstringz0(tvb,0,6,word)) return;
if (strncasecmp(word, "MEGACO", 6) != 0) return;
/* Display MEGACO in protocol column */
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_add_str(pinfo->cinfo, COL_PROTOCOL, "MEGACO");
/* Display transaction in info column */
tvb_offset = tvb_find_guint8(tvb, 0, tvb_len, ' ');
tvb_offset = tvb_find_guint8(tvb, tvb_offset, tvb_len, ' ');
len = tvb_find_guint8(tvb, tvb_offset, tvb_len, '=') - tvb_offset;
if (check_col(pinfo->cinfo, COL_INFO) )
col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
tvb_format_text(tvb,tvb_offset,len));
/* Build the info tree if we've been given a root */
if (tree)
{
/* Create megaco subtree */
ti = proto_tree_add_item(tree,proto_megaco,tvb,0,0, FALSE);
megaco_tree = proto_item_add_subtree(ti, ett_megaco);
if(global_megaco_dissect_tree)
my_proto_tree_add_string = proto_tree_add_string;
else
my_proto_tree_add_string = proto_tree_add_string_hidden;
/* Find version */
tvb_previous_offset = tvb_find_guint8(tvb, tvb_previous_offset,
tvb_len, '/') + 1;
tvb_current_offset = tvb_find_guint8(tvb, tvb_previous_offset,
tvb_len, ' ');
tokenlen = tvb_current_offset - tvb_previous_offset;
if (tree)
my_proto_tree_add_string(megaco_tree, hf_megaco_version, tvb,
tvb_previous_offset, tokenlen,
tvb_format_text(tvb, tvb_previous_offset,
tokenlen));
/* Find mId (message originator identifier) */
tvb_previous_offset = tvb_skip_wsp(tvb, tvb_current_offset,
tvb_len);
tvb_current_offset = tvb_find_guint8(tvb, tvb_previous_offset,
tvb_len, ' ');
tokenlen = tvb_current_offset - tvb_previous_offset;
my_proto_tree_add_string(megaco_tree, hf_megaco_mid, tvb,
tvb_previous_offset, tokenlen,
tvb_format_text(tvb, tvb_previous_offset,
tokenlen));
/* Find transaction */
tvb_previous_offset = tvb_skip_wsp(tvb, tvb_current_offset,
tvb_len);
tvb_current_offset = tvb_find_guint8(tvb, tvb_previous_offset,
tvb_len, '=');
tokenlen = tvb_current_offset - tvb_previous_offset;
my_proto_tree_add_string(megaco_tree, hf_megaco_transaction, tvb,
tvb_previous_offset, tokenlen,
tvb_format_text(tvb, tvb_previous_offset,
tokenlen));
if (check_col(pinfo->cinfo, COL_INFO) )
col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
tvb_format_text(tvb,tvb_previous_offset,tokenlen));
/* Find transaction id */
tvb_previous_offset = tvb_skip_wsp(tvb, tvb_current_offset,
tvb_len) + 1;
tvb_current_offset = tvb_find_guint8(tvb, tvb_previous_offset,
tvb_len, '{');
tokenlen = tvb_current_offset - tvb_previous_offset;
my_proto_tree_add_string(megaco_tree, hf_megaco_transid, tvb,
tvb_previous_offset, tokenlen,
tvb_format_text(tvb, tvb_previous_offset,
tokenlen));
/* and finally the whole message as raw text */
if(global_megaco_raw_text){
tvb_linebegin = 0;
do {
tvb_find_line_end(tvb,tvb_linebegin,-1,&tvb_lineend,FALSE);
linelen = tvb_lineend - tvb_linebegin;
proto_tree_add_text(tree, tvb, tvb_linebegin, linelen,
"%s", tvb_format_text(tvb,tvb_linebegin,
linelen));
tvb_linebegin = tvb_lineend;
} while ( tvb_lineend < tvb_len );
}
}
}
/* Register all the bits needed with the filtering engine */
void
proto_register_megaco(void)
{
static hf_register_info hf[] = {
{ &hf_megaco_version,
{ "Version", "megaco.version", FT_STRING, BASE_DEC, NULL, 0x0,
"MEGACO Version", HFILL }},
{ &hf_megaco_mid,
{ "mID", "megaco.mid", FT_STRING, BASE_DEC, NULL, 0x0,
"Message Originator", HFILL }},
{ &hf_megaco_transaction,
{ "Transaction", "megaco.transaction", FT_STRING, BASE_DEC, NULL, 0x0,
"Transaction type of this message", HFILL }},
{ &hf_megaco_transid,
{ "Transaction ID", "megaco.transid", FT_STRING, BASE_DEC, NULL, 0x0,
"Transaction ID of this message", HFILL }},
/* Add more fields here */
};
static gint *ett[] = {
&ett_megaco,
};
module_t *megaco_module;
proto_megaco = proto_register_protocol("MEGACO",
"MEGACO", "megaco");
proto_register_field_array(proto_megaco, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register our configuration options, particularly our ports */
megaco_module = prefs_register_protocol(proto_megaco, proto_reg_handoff_megaco);
prefs_register_uint_preference(megaco_module, "tcp.txt_port",
"MEGACO TXT TCP Port",
"Set the TCP port for MEGACO txt messages ",
10, &global_megaco_txt_tcp_port);
prefs_register_uint_preference(megaco_module, "udp.txt_port",
"MEGACO TXT UDP Port",
"Set the UDP port for gateway messages ",
10, &global_megaco_txt_udp_port);
prefs_register_uint_preference(megaco_module, "tcp.bin_port",
"MEGACO bin TCP Port",
"Set the TCP port for MEGACO binary messages ",
10, &global_megaco_bin_tcp_port);
prefs_register_uint_preference(megaco_module, "udp.bin_port",
"MEGACO Callagent UDP Port",
"Set the UDP port for callagent messages "
"(if other than the default of 2727)",
10, &global_megaco_bin_udp_port);
prefs_register_bool_preference(megaco_module, "display_raw_text",
"Display raw text for MEGACO message",
"Specifies that the raw text of the "
"MEGACO message should be displayed "
"instead of (or in addition to) the "
"dissection tree",
&global_megaco_raw_text);
prefs_register_bool_preference(megaco_module, "display_dissect_tree",
"Display tree dissection for MEGACO message",
"Specifies that the dissection tree of the "
"MEGACO message should be displayed "
"instead of (or in addition to) the "
"raw text",
&global_megaco_dissect_tree);
}
/* The registration hand-off routine */
void
proto_reg_handoff_megaco(void)
{
static int megaco_prefs_initialized = FALSE;
static dissector_handle_t megaco_handle;
/*
* Get a handle for the SDP dissector.
*/
if (!megaco_prefs_initialized) {
megaco_handle = create_dissector_handle(dissect_megaco, proto_megaco);
megaco_prefs_initialized = TRUE;
}
else {
dissector_delete("tcp.port", txt_tcp_port, megaco_handle);
dissector_delete("udp.port", txt_udp_port, megaco_handle);
dissector_delete("tcp.port", bin_tcp_port, megaco_handle);
dissector_delete("udp.port", bin_udp_port, megaco_handle);
}
/* Set our port number for future use */
txt_tcp_port = global_megaco_txt_tcp_port;
txt_udp_port = global_megaco_txt_udp_port;
bin_tcp_port = global_megaco_bin_tcp_port;
bin_udp_port = global_megaco_bin_udp_port;
dissector_add("tcp.port", global_megaco_txt_tcp_port, megaco_handle);
dissector_add("udp.port", global_megaco_txt_udp_port, megaco_handle);
dissector_add("tcp.port", global_megaco_bin_tcp_port, megaco_handle);
dissector_add("udp.port", global_megaco_bin_udp_port, megaco_handle);
dissector_add("sctp.ppi", H248_PAYLOAD_PROTOCOL_ID, megaco_handle);
}
/*
* tvb_skip_wsp - Returns the position in tvb of the first non-whitespace
* character following offset or offset + maxlength -1 whichever
* is smaller.
*
* Parameters:
* tvb - The tvbuff in which we are skipping whitespace.
* offset - The offset in tvb from which we begin trying to skip whitespace.
* maxlength - The maximum distance from offset that we may try to skip
* whitespace.
*
* Returns: The position in tvb of the first non-whitespace
* character following offset or offset + maxlength -1 whichever
* is smaller.
*/
static gint tvb_skip_wsp(tvbuff_t* tvb, gint offset, gint maxlength){
gint counter = offset;
gint end,tvb_len;
guint8 tempchar;
tvb_len = tvb_length(tvb);
end = offset + maxlength;
if(end >= tvb_len){
end = tvb_len;
}
for(counter = offset; counter < end &&
((tempchar = tvb_get_guint8(tvb,counter)) == ' ' ||
tempchar == '\t');counter++);
return (counter);
}
/* Start the functions we need for the plugin stuff */
#ifndef __ETHEREAL_STATIC__
G_MODULE_EXPORT void
plugin_reg_handoff(void){
proto_reg_handoff_megaco();
}
G_MODULE_EXPORT void
plugin_init(plugin_address_table_t *pat
#ifndef PLUGINS_NEED_ADDRESS_TABLE
_U_
#endif
){
/* initialise the table of pointers needed in Win32 DLLs */
plugin_address_table_init(pat);
/* register the new protocol, protocol fields, and subtrees */
if (proto_megaco == -1) { /* execute protocol initialization only once */
proto_register_megaco();
}
}
#endif
/* End the functions we need for plugin stuff */

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/* sctpppids.h
* Declarations of SCTP payload protocol IDs.
*
* $Id: sctpppids.h,v 1.1 2003/01/14 23:53:33 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __SCTPPPIDS_H__
#define __SCTPPPIDS_H__
/*
* SCTP payload protocol IDs.
*/
#define NOT_SPECIFIED_PROTOCOL_ID 0
#define IUA_PAYLOAD_PROTOCOL_ID 1
#define M2UA_PAYLOAD_PROTOCOL_ID 2
#define M3UA_PAYLOAD_PROTOCOL_ID 3
#define SUA_PAYLOAD_PROTOCOL_ID 4
#define M2PA_PAYLOAD_PROTOCOL_ID 5
#define V5UA_PAYLOAD_PROTOCOL_ID 6
#define H248_PAYLOAD_PROTOCOL_ID 7
#define BICC_PAYLOAD_PROTOCOL_ID 8
#define TALI_PAYLOAD_PROTOCOL_ID 9
#define DUA_PAYLOAD_PROTOCOL_ID 10
#define ASAP_PAYLOAD_PROTOCOL_ID 11
#define ENRP_PAYLOAD_PROTOCOL_ID 12
#define H323_PAYLOAD_PROTOCOL_ID 13
#define M2TP_PAYLOAD_PROTOCOL_ID 99 /* s-link */
/*
* XXX - this came from "packet-asap.c"; is this some PPID value used
* before 11 was assigned?
*/
#define ASAP_OLD_PAYLOAD_PROTOCOL_ID 0xFAEEB5D1
#endif /* sctpppids.h */