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