forked from osmocom/wireshark
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* packet-media.c
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* Routines for displaying an undissected media type (default case),
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* based on the generic "data" dissector.
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*
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* (C) Olivier Biot, 2004
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*
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* $Id$
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*
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* Refer to the AUTHORS file or the AUTHORS section in the man page
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* for contacting the author(s) of this file.
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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 Gerald Combs
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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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#include <glib.h>
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#include <epan/packet.h>
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/* proto_media cannot be static because it's referenced in the
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* print routines
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*/
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int proto_media = -1;
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static void
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dissect_media(tvbuff_t *tvb, packet_info *pinfo , proto_tree *tree)
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{
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int bytes;
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/* Add media type to the INFO column if it is visible */
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if (check_col(pinfo->cinfo, COL_INFO)) {
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col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", pinfo->match_string);
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}
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if (tree) {
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bytes = tvb_length_remaining(tvb, 0);
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if (bytes > 0) {
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if (pinfo->private_data) {
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/* The media type has parameters */
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proto_tree_add_protocol_format(tree, proto_media, tvb, 0, bytes,
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"Media Type: %s; %s (%d byte%s)",
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pinfo->match_string, (char *)pinfo->private_data,
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bytes, plurality(bytes, "", "s"));
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} else {
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/* The media type has no parameters */
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proto_tree_add_protocol_format(tree, proto_media, tvb, 0, bytes,
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"Media Type: %s (%d byte%s)",
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pinfo->match_string ? pinfo->match_string : "",
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bytes, plurality(bytes, "", "s"));
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}
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}
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}
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}
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void
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proto_register_media(void)
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{
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proto_media = proto_register_protocol (
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"Media Type", /* name */
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"Media", /* short name */
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"media" /* abbrev */
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);
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register_dissector("media", dissect_media, proto_media);
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/*
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* "Media" is used to dissect something whose normal dissector
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* is disabled, so it cannot itself be disabled.
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*/
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proto_set_cant_toggle(proto_media);
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}
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