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/* packet-cdt.c
*
* Routines for Compressed Data Type packet dissection.
*
* Copyright 2005, Stig Bjorlykke <stig@bjorlykke.org>, Thales Norway AS
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Ref: STANAG 4406 Annex E
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/oids.h>
#include <epan/expert.h>
#include <epan/asn1.h>
#include "packet-ber.h"
#include "packet-p1.h"
#include "packet-cdt.h"
#define CDT_UNDEFINED 0
#define CDT_EXTERNAL 1
#define CDT_P1 2
#define CDT_P3 3
#define CDT_P7 4
#define PNAME "Compressed Data Type"
#define PSNAME "CDT"
#define PFNAME "cdt"
void proto_register_cdt(void);
void proto_reg_handoff_cdt(void);
static proto_tree *top_tree = NULL;
static proto_item *cdt_item = NULL;
static guint32 content_type = 0;
/* Initialize the protocol and registered fields */
static int proto_cdt = -1;
#include "packet-cdt-hf.c"
static dissector_handle_t data_handle = NULL;
/* Initialize the subtree pointers */
#include "packet-cdt-ett.c"
static expert_field ei_cdt_unable_compress_content = EI_INIT;
static expert_field ei_cdt_unable_uncompress_content = EI_INIT;
#include "packet-cdt-fn.c"
/*--- proto_register_cdt -------------------------------------------*/
/*
** Dissect Compressed Data Type
*/
void dissect_cdt (tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
{
proto_tree *tree = NULL;
/* save parent_tree so subdissectors can create new top nodes */
top_tree = parent_tree;
if (parent_tree) {
cdt_item = proto_tree_add_item (parent_tree, proto_cdt, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree (cdt_item, ett_cdt_CompressedData);
} else {
cdt_item = NULL;
}
col_set_str (pinfo->cinfo, COL_PROTOCOL, "CDT");
col_clear (pinfo->cinfo, COL_INFO);
dissect_CompressedData_PDU (tvb, pinfo, tree, NULL);
}
void proto_register_cdt (void) {
/* List of fields */
static hf_register_info hf[] = {
#include "packet-cdt-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
#include "packet-cdt-ettarr.c"
};
static ei_register_info ei[] = {
{ &ei_cdt_unable_compress_content, { "cdt.unable_compress_content", PI_UNDECODED, PI_ERROR, "Unable to get compressed content", EXPFILL }},
{ &ei_cdt_unable_uncompress_content, { "cdt.unable_uncompress_content", PI_UNDECODED, PI_ERROR, "Unable to get uncompressed content", EXPFILL }},
};
expert_module_t* expert_cdt;
/* Register protocol */
proto_cdt = proto_register_protocol (PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array (proto_cdt, hf, array_length(hf));
proto_register_subtree_array (ett, array_length(ett));
expert_cdt = expert_register_protocol(proto_cdt);
expert_register_field_array(expert_cdt, ei, array_length(ei));
}
/*--- proto_reg_handoff_cdt ---------------------------------------*/
void proto_reg_handoff_cdt (void) {
#include "packet-cdt-dis-tab.c"
data_handle = find_dissector ("data");
}
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