![Guy Harris](/assets/img/avatar_default.png)
"epan/..." pathnames, so as to avoid collisions with header files in any of the directories in which we look (e.g., "proto.h", as some other package has its own "proto.h" file which it installs in the top-level include directory). Don't add "-I" flags to search "epan", as that's no longer necessary (and we want includes of "epan" headers to fail if the "epan/" is left out, so that we don't re-introduce includes lacking "epan/"). svn path=/trunk/; revision=4586
114 lines
3.1 KiB
C
114 lines
3.1 KiB
C
/* packet-lapbether.c
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* Routines for lapbether frame disassembly
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* Richard Sharpe <rsharpe@ns.aus.com> based on the lapb module by
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* Olivier Abad <oabad@cybercable.fr>
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*
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* $Id: packet-lapbether.c,v 1.9 2002/01/21 07:36:36 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <stdio.h>
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#include <glib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include "etypes.h"
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static int proto_lapbether = -1;
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static int hf_lapbether_length = -1;
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static gint ett_lapbether = -1;
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static dissector_handle_t lapb_handle;
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static void
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dissect_lapbether(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *lapbether_tree, *ti;
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int len;
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tvbuff_t *next_tvb;
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if (check_col(pinfo->cinfo, COL_PROTOCOL))
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "LAPBETHER");
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if (check_col(pinfo->cinfo, COL_INFO))
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col_clear(pinfo->cinfo, COL_INFO);
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len = tvb_get_guint8(tvb, 0) + tvb_get_guint8(tvb, 1) * 256;
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if (tree) {
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ti = proto_tree_add_protocol_format(tree, proto_lapbether, tvb, 0, 2,
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"LAPBETHER");
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lapbether_tree = proto_item_add_subtree(ti, ett_lapbether);
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proto_tree_add_uint_format(lapbether_tree, hf_lapbether_length, tvb, 0, 2,
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len, "Length: %u", len);
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}
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next_tvb = tvb_new_subset(tvb, 2, len, len);
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call_dissector(lapb_handle, next_tvb, pinfo, tree);
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}
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void
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proto_register_lapbether(void)
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{
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static hf_register_info hf[] = {
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{ &hf_lapbether_length,
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{ "Length Field", "lapbether.length", FT_UINT16, BASE_DEC, NULL, 0x0,
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"LAPBEther Length Field", HFILL }},
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};
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static gint *ett[] = {
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&ett_lapbether,
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};
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proto_lapbether = proto_register_protocol ("Link Access Procedure Balanced Ethernet (LAPBETHER)",
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"LAPBETHER", "lapbether");
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proto_register_field_array (proto_lapbether, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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/* The registration hand-off routine */
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void
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proto_reg_handoff_lapbether(void)
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{
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dissector_handle_t lapbether_handle;
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/*
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* Get a handle for the LAPB dissector.
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*/
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lapb_handle = find_dissector("lapb");
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lapbether_handle = create_dissector_handle(dissect_lapbether,
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proto_lapbether);
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dissector_add("ethertype", ETHERTYPE_DEC, lapbether_handle);
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}
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