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/* packet-xml.c
* an XML dissector for ethereal
*
* Copyright 2004, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
*
* $Id$
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/prefs.h>
#include <epan/report_err.h>
#include "packet-xml.h"
static int proto_xml = -1;
static int ett_xml = -1;
static int hf_xml_pi = -1;
static int hf_xml_markup_decl = -1;
static int hf_xml_tag = -1;
static int hf_xml_text = -1;
static proto_item* proto_tree_add_xml_item(proto_tree* tree, tvbuff_t* tvb, xml_token_t* xi) {
proto_item* pi;
gchar* txt;
int hfid;
switch (xi->type) {
case XML_TAG: hfid = hf_xml_tag; break;
case XML_MARKUPDECL: hfid = hf_xml_markup_decl; break;
case XML_XMLPI: hfid = hf_xml_pi; break;
case XML_TEXT: hfid = hf_xml_text; break;
default: hfid = 0; break;
}
txt = tvb_get_string(tvb,xi->offset,xi->len);
if ( hfid ) {
pi = proto_tree_add_string_format(tree,hfid,tvb,xi->offset,xi->len,txt,format_text(txt, xi->len));
} else {
pi = proto_tree_add_text(tree,tvb,xi->offset,xi->len,"%s",format_text(txt, xi->len));
}
g_free(txt);
return pi;
}
static void dissect_xml(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* tree) {
xml_token_t* xml_items ;
xml_token_t* xi;
xml_token_t* next_xi;
proto_item* pi = NULL;
GPtrArray* stack = g_ptr_array_new();
if (tree) {
pi = proto_tree_add_item(tree, proto_xml, tvb, 0, tvb->length, FALSE);
tree = proto_item_add_subtree(pi, ett_xml);
xml_items = scan_tvb_for_xml_items(tvb, 0, tvb->length);
for (xi = xml_items; xi; xi = next_xi) {
next_xi = xi->next;
switch (xi->type) {
case XML_WHITESPACE:
break;
case XML_CLOSEDTAG:
case XML_TEXT:
case XML_MARKUPDECL:
case XML_XMLPI:
case XML_COMMENT:
proto_tree_add_xml_item(tree,tvb,xi);
break;
case XML_DOCTYPE_START:
case XML_TAG:
pi = proto_tree_add_xml_item(tree,tvb,xi);
g_ptr_array_add(stack,tree);
tree = proto_item_add_subtree(pi, ett_xml);
break;
case XML_CLOSE_TAG:
case XML_DOCTYPE_STOP:
pi = proto_tree_add_xml_item(tree,tvb,xi);
if ( stack->len )
tree = g_ptr_array_remove_index(stack,stack->len - 1);
break;
}
g_free(xi);
}
g_ptr_array_free(stack,FALSE);
}
}
void
proto_register_xml(void)
{
static hf_register_info hf[] = {
{ &hf_xml_pi,
{ "XML Processing Instruction",
"xml.pi", FT_STRING, BASE_NONE, NULL, 0x0,
"XML Processing Instruction", HFILL }},
{ &hf_xml_markup_decl,
{ "XML Markup Declaration",
"xml.markrp_decl", FT_STRING, BASE_NONE, NULL, 0x0,
"XML Markup Declaration", HFILL }},
{ &hf_xml_tag,
{ "XML Tag",
"xml.tag", FT_STRING, BASE_NONE, NULL, 0x0,
"XML Tag", HFILL }},
{ &hf_xml_text,
{ "XML Text",
"xml.text", FT_STRING, BASE_NONE, NULL, 0x0,
"Text in XML", HFILL }}
};
static gint *ett[] = {
&ett_xml
};
proto_xml = proto_register_protocol("eXtensible Markup Language", "XML", "xml");
proto_register_field_array(proto_xml, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
register_dissector("xml", dissect_xml, proto_xml);
}
void
proto_reg_handoff_xml(void)
{
dissector_handle_t xml_handle;
xml_handle = find_dissector("xml");
dissector_add_string("media_type", "text/xml", xml_handle);
dissector_add_string("media_type", "application/xml", xml_handle);
dissector_add_string("media_type", "application/soap+xml", xml_handle);
dissector_add_string("media_type", "application/xml-dtd", xml_handle);
/* WAP and OMA XML media */
dissector_add_string("media_type", "text/vnd.wap.wml", xml_handle);
dissector_add_string("media_type", "text/vnd.wap.si", xml_handle);
dissector_add_string("media_type", "text/vnd.wap.sl", xml_handle);
dissector_add_string("media_type", "text/vnd.wap.co", xml_handle);
dissector_add_string("media_type", "text/vnd.wap.emn", xml_handle);
dissector_add_string("media_type", "application/vnd.wv.csp+xml", xml_handle);
/* Other */
dissector_add_string("media_type", "application/smil", xml_handle);
dissector_add_string("media_type", "application/cpim-pidf+xml", xml_handle);
dissector_add_string("media_type", "application/rdf+xml", xml_handle);
dissector_add_string("media_type", "application/xslt+xml", xml_handle);
dissector_add_string("media_type", "application/mathml+xml", xml_handle);
dissector_add_string("media_type", "image/svg+xml", xml_handle);
}
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