Add support for a generic line-based text data dissector.
svn path=/trunk/; revision=9623
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# Makefile.am
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# Automake file for Ethereal
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#
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# $Id: Makefile.am,v 1.683 2004/01/04 02:59:46 obiot Exp $
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# $Id: Makefile.am,v 1.684 2004/01/10 02:38:38 obiot 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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@ -442,6 +442,7 @@ DISSECTOR_SRC = \
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packet-tds.c \
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packet-telnet.c\
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packet-teredo.c\
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packet-text-media.c \
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packet-tftp.c \
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packet-time.c \
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packet-tns.c \
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@ -1,7 +1,7 @@
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## Makefile for building ethereal.exe with Microsoft C and nmake
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## Use: $(MAKE) /$(MAKEFLAGS) -f makefile.nmake
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#
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# $Id: Makefile.nmake,v 1.383 2004/01/04 02:59:46 obiot Exp $
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# $Id: Makefile.nmake,v 1.384 2004/01/10 02:38:39 obiot Exp $
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include config.nmake
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include <win32.mak>
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@ -382,6 +382,7 @@ DISSECTOR_SRC = \
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packet-tds.c \
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packet-telnet.c\
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packet-teredo.c\
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packet-text-media.c \
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packet-tftp.c \
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packet-time.c \
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packet-tns.c \
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@ -6,7 +6,7 @@
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* Copyright 2002, Tim Potter <tpot@samba.org>
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* Copyright 1999, Andrew Tridgell <tridge@samba.org>
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*
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* $Id: packet-http.c,v 1.89 2004/01/09 21:45:29 obiot Exp $
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* $Id: packet-http.c,v 1.90 2004/01/10 02:38:38 obiot 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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@ -570,6 +570,7 @@ dissect_http_message(tvbuff_t *tvb, int offset, packet_info *pinfo,
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* There's stuff left over; process it.
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*/
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tvbuff_t *next_tvb;
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void *save_private_data = NULL;
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/*
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* Create a tvbuff for the payload.
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@ -603,6 +604,8 @@ dissect_http_message(tvbuff_t *tvb, int offset, packet_info *pinfo,
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* Content-Type value. Is there any subdissector
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* for that content type?
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*/
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save_private_data = pinfo->private_data;
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pinfo->private_data = headers.content_type;
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handle = dissector_get_string_handle(
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media_type_subdissector_table,
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headers.content_type);
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@ -634,6 +637,8 @@ dissect_http_message(tvbuff_t *tvb, int offset, packet_info *pinfo,
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http_tree);
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}
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if (save_private_data)
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pinfo->private_data = save_private_data;
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/*
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* We've processed "datalen" bytes worth of data
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* (which may be no data at all); advance the
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@ -0,0 +1,140 @@
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/* packet-text-media.c
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* Routines for text-based media dissection.
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*
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* NOTE - The media type is either found in pinfo->match_string
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* or in pinfo->provate_data.
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*
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* (C) Olivier Biot, 2004 <Olivier.Biot (ad) siemens.com>
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*
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* $Id: packet-text-media.c,v 1.1 2004/01/10 02:38:38 obiot 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 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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/* Edit this file with 4-space tabs */
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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 <string.h>
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#include <ctype.h>
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/strutil.h>
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/*
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* Media dissector for line-based text media like text/plain, message/http.
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*
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* TODO - character set and chunked transfer-coding
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*/
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static gint proto_text_lines = -1;
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static gint ett_text_lines = -1;
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static dissector_handle_t text_lines_handle;
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static const char default_data_name[] = "Line-based text data";
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static void
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dissect_text_lines(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *subtree;
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proto_item *ti;
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gint offset = 0, next_offset;
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gint len;
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const char *data_name;
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data_name = pinfo->match_string;
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if (! (data_name && data_name[0])) {
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/*
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* No information from "match_string"
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*/
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data_name = (char *)(pinfo->private_data);
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if (! (data_name && data_name[0])) {
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/*
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* No information from "private_data"
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*/
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data_name = NULL;
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}
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}
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if (data_name && check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, " (%s)", data_name);
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if (tree) {
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ti = proto_tree_add_item(tree, proto_text_lines,
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tvb, 0, -1, FALSE);
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if (data_name)
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proto_item_append_text(ti, ": %s", data_name);
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subtree = proto_item_add_subtree(ti, ett_text_lines);
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/* Read the media line by line */
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while (tvb_reported_length_remaining(tvb, offset) != 0) {
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len = tvb_find_line_end(tvb, offset,
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tvb_ensure_length_remaining(tvb, offset),
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&next_offset, FALSE);
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if (len == -1)
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break;
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proto_tree_add_text(subtree, tvb, offset, next_offset - offset,
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"%s", tvb_format_text(tvb, offset, len));
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offset = next_offset;
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}
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}
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}
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void
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proto_register_text_lines(void)
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{
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static gint *ett[] = {
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&ett_text_lines,
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};
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proto_register_subtree_array(ett, array_length(ett));
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proto_text_lines = proto_register_protocol(
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"Line-based text data", /* Long name */
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"Line-based text data", /* Short name */
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"data-text-lines"); /* Filter name */
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register_dissector("data-text-lines", dissect_text_lines, proto_text_lines);
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}
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void
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proto_reg_handoff_text_lines(void)
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{
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text_lines_handle = create_dissector_handle(
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dissect_text_lines, proto_text_lines);
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dissector_add_string("media_type", "text/plain", text_lines_handle);
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/* W3C line-based textual media */
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dissector_add_string("media_type", "text/html", text_lines_handle);
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dissector_add_string("media_type", "text/css", text_lines_handle);
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dissector_add_string("media_type", "application/xml", text_lines_handle);
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dissector_add_string("media_type", "application/x-javascript", text_lines_handle);
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dissector_add_string("media_type", "application/x-www-form-urlencoded", text_lines_handle);
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dissector_add_string("media_type", "application/x-ns-proxy-autoconfig", text_lines_handle);
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/* WAP line-based textual media */
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dissector_add_string("media_type", "text/vnd.wap.wml", text_lines_handle);
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dissector_add_string("media_type", "text/vnd.wap.si", text_lines_handle);
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dissector_add_string("media_type", "text/vnd.wap.sl", text_lines_handle);
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dissector_add_string("media_type", "text/vnd.wap.co", text_lines_handle);
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dissector_add_string("media_type", "text/vnd.wap.emn", text_lines_handle);
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/* Other */
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dissector_add_string("media_type", "text/vnd.sun.j2me.app-descriptor", text_lines_handle);
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}
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