forked from osmocom/wireshark
26d30411b6
svn path=/trunk/; revision=27733
461 lines
15 KiB
C
461 lines
15 KiB
C
/* Do not modify this file. */
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/* It is created automatically by the ASN.1 to Wireshark dissector compiler */
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/* packet-cdt.c */
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/* ../../tools/asn2wrs.py -b -p cdt -c ./cdt.cnf -s ./packet-cdt-template -D . cdt.asn */
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/* Input file: packet-cdt-template.c */
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#line 1 "packet-cdt-template.c"
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/* 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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* $Id$
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Ref: STANAG 4406 Annex E
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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 <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-x411.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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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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int proto_cdt = -1;
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/*--- Included file: packet-cdt-hf.c ---*/
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#line 1 "packet-cdt-hf.c"
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static int hf_cdt_CompressedData_PDU = -1; /* CompressedData */
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static int hf_cdt_compressionAlgorithm = -1; /* CompressionAlgorithmIdentifier */
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static int hf_cdt_compressedContentInfo = -1; /* CompressedContentInfo */
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static int hf_cdt_algorithmID_ShortForm = -1; /* AlgorithmID_ShortForm */
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static int hf_cdt_algorithmID_OID = -1; /* OBJECT_IDENTIFIER */
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static int hf_cdt_contentType = -1; /* T_contentType */
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static int hf_cdt_contentType_ShortForm = -1; /* ContentType_ShortForm */
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static int hf_cdt_contentType_OID = -1; /* T_contentType_OID */
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static int hf_cdt_compressedContent = -1; /* CompressedContent */
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/*--- End of included file: packet-cdt-hf.c ---*/
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#line 62 "packet-cdt-template.c"
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static dissector_handle_t data_handle = NULL;
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/* Initialize the subtree pointers */
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/*--- Included file: packet-cdt-ett.c ---*/
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#line 1 "packet-cdt-ett.c"
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static gint ett_cdt_CompressedData = -1;
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static gint ett_cdt_CompressionAlgorithmIdentifier = -1;
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static gint ett_cdt_CompressedContentInfo = -1;
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static gint ett_cdt_T_contentType = -1;
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/*--- End of included file: packet-cdt-ett.c ---*/
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#line 67 "packet-cdt-template.c"
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/*--- Included file: packet-cdt-fn.c ---*/
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#line 1 "packet-cdt-fn.c"
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static const value_string cdt_AlgorithmID_ShortForm_vals[] = {
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{ 0, "zlibCompress" },
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{ 0, NULL }
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};
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static int
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dissect_cdt_AlgorithmID_ShortForm(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 21 "cdt.cnf"
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guint32 value;
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offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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&value);
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proto_item_append_text (cdt_item, ", %s",
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val_to_str (value, cdt_AlgorithmID_ShortForm_vals,
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"unknown"));
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if (check_col (actx->pinfo->cinfo, COL_INFO))
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col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ",
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val_to_str (value, cdt_AlgorithmID_ShortForm_vals,
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"unknown"));
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return offset;
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}
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static int
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dissect_cdt_OBJECT_IDENTIFIER(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_object_identifier(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
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return offset;
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}
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static const value_string cdt_CompressionAlgorithmIdentifier_vals[] = {
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{ 0, "algorithmID-ShortForm" },
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{ 1, "algorithmID-OID" },
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{ 0, NULL }
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};
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static const ber_choice_t CompressionAlgorithmIdentifier_choice[] = {
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{ 0, &hf_cdt_algorithmID_ShortForm, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_cdt_AlgorithmID_ShortForm },
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{ 1, &hf_cdt_algorithmID_OID , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_cdt_OBJECT_IDENTIFIER },
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{ 0, NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_cdt_CompressionAlgorithmIdentifier(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_choice(actx, tree, tvb, offset,
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CompressionAlgorithmIdentifier_choice, hf_index, ett_cdt_CompressionAlgorithmIdentifier,
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NULL);
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return offset;
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}
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static const value_string cdt_ContentType_ShortForm_vals[] = {
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{ 0, "unidentified" },
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{ 1, "external" },
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{ 2, "p1" },
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{ 3, "p3" },
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{ 4, "p7" },
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{ 0, NULL }
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};
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static int
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dissect_cdt_ContentType_ShortForm(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 37 "cdt.cnf"
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offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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&content_type);
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proto_item_append_text (cdt_item, ", %s",
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val_to_str (content_type, cdt_ContentType_ShortForm_vals,
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"unknown"));
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if (check_col (actx->pinfo->cinfo, COL_INFO))
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col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ",
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val_to_str (content_type, cdt_ContentType_ShortForm_vals,
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"unknown"));
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return offset;
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}
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static int
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dissect_cdt_T_contentType_OID(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 52 "cdt.cnf"
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const char *obj_id = NULL;
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offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &obj_id);
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if (obj_id) {
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const char *name = oid_resolved_from_string (obj_id);
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if (!name) {
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name = obj_id;
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}
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proto_item_append_text (cdt_item, ", %s", name);
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if (check_col (actx->pinfo->cinfo, COL_INFO))
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col_append_fstr (actx->pinfo->cinfo, COL_INFO, "%s ", name);
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}
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return offset;
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}
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static const value_string cdt_T_contentType_vals[] = {
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{ 0, "contentType-ShortForm" },
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{ 1, "contentType-OID" },
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{ 0, NULL }
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};
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static const ber_choice_t T_contentType_choice[] = {
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{ 0, &hf_cdt_contentType_ShortForm, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_cdt_ContentType_ShortForm },
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{ 1, &hf_cdt_contentType_OID , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_cdt_T_contentType_OID },
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{ 0, NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_cdt_T_contentType(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_choice(actx, tree, tvb, offset,
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T_contentType_choice, hf_index, ett_cdt_T_contentType,
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NULL);
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return offset;
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}
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static int
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dissect_cdt_CompressedContent(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 72 "cdt.cnf"
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tvbuff_t *next_tvb = NULL, *compr_tvb = NULL;
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proto_item *tf = NULL;
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int save_offset = offset;
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offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
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&compr_tvb);
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if (compr_tvb == NULL) {
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tf = proto_tree_add_text (top_tree, tvb, save_offset, -1,
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"[Error: Unable to get compressed content]");
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expert_add_info_format (actx->pinfo, tf, PI_UNDECODED, PI_ERROR,
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"Unable to get compressed content");
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if (check_col (actx->pinfo->cinfo, COL_INFO))
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col_append_str (actx->pinfo->cinfo, COL_INFO,
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"[Error: Unable to get compressed content]");
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return offset;
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}
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next_tvb = tvb_uncompress (compr_tvb, 0, tvb_length (compr_tvb));
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if (next_tvb == NULL) {
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tf = proto_tree_add_text (top_tree, tvb, save_offset, -1,
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"[Error: Unable to uncompress content]");
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expert_add_info_format (actx->pinfo, tf, PI_UNDECODED, PI_ERROR,
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"Unable to uncompress content");
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if (check_col (actx->pinfo->cinfo, COL_INFO))
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col_append_str (actx->pinfo->cinfo, COL_INFO,
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"[Error: Unable to uncompress content]");
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return offset;
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}
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tvb_set_child_real_data_tvbuff (tvb, next_tvb);
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add_new_data_source (actx->pinfo, next_tvb, "Uncompressed Content");
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switch (content_type) {
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case CDT_UNDEFINED:
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call_dissector (data_handle, next_tvb, actx->pinfo, top_tree);
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break;
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case CDT_EXTERNAL:
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dissect_unknown_ber (actx->pinfo, next_tvb, 0, top_tree);
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break;
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case CDT_P1:
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dissect_x411_mts_apdu (next_tvb, actx->pinfo, top_tree);
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break;
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default:
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call_dissector (data_handle, next_tvb, actx->pinfo, top_tree);
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break;
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}
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return offset;
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}
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static const ber_sequence_t CompressedContentInfo_sequence[] = {
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{ &hf_cdt_contentType , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_cdt_T_contentType },
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{ &hf_cdt_compressedContent, BER_CLASS_CON, 0, 0, dissect_cdt_CompressedContent },
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{ NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_cdt_CompressedContentInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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CompressedContentInfo_sequence, hf_index, ett_cdt_CompressedContentInfo);
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return offset;
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}
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static const ber_sequence_t CompressedData_sequence[] = {
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{ &hf_cdt_compressionAlgorithm, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_cdt_CompressionAlgorithmIdentifier },
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{ &hf_cdt_compressedContentInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_cdt_CompressedContentInfo },
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{ NULL, 0, 0, 0, NULL }
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};
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int
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dissect_cdt_CompressedData(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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#line 13 "cdt.cnf"
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content_type = 0;
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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CompressedData_sequence, hf_index, ett_cdt_CompressedData);
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return offset;
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}
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/*--- PDUs ---*/
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static void dissect_CompressedData_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_) {
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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dissect_cdt_CompressedData(FALSE, tvb, 0, &asn1_ctx, tree, hf_cdt_CompressedData_PDU);
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}
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/*--- End of included file: packet-cdt-fn.c ---*/
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#line 69 "packet-cdt-template.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, FALSE);
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tree = proto_item_add_subtree (cdt_item, ett_cdt_CompressedData);
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}
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if (check_col (pinfo->cinfo, COL_PROTOCOL))
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col_set_str (pinfo->cinfo, COL_PROTOCOL, "CDT");
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if (check_col (pinfo->cinfo, COL_INFO))
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col_clear (pinfo->cinfo, COL_INFO);
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dissect_CompressedData_PDU (tvb, pinfo, tree);
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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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/*--- Included file: packet-cdt-hfarr.c ---*/
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#line 1 "packet-cdt-hfarr.c"
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{ &hf_cdt_CompressedData_PDU,
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{ "CompressedData", "cdt.CompressedData",
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FT_NONE, BASE_NONE, NULL, 0,
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"cdt.CompressedData", HFILL }},
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{ &hf_cdt_compressionAlgorithm,
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{ "compressionAlgorithm", "cdt.compressionAlgorithm",
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FT_UINT32, BASE_DEC, VALS(cdt_CompressionAlgorithmIdentifier_vals), 0,
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"cdt.CompressionAlgorithmIdentifier", HFILL }},
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{ &hf_cdt_compressedContentInfo,
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{ "compressedContentInfo", "cdt.compressedContentInfo",
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FT_NONE, BASE_NONE, NULL, 0,
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"cdt.CompressedContentInfo", HFILL }},
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{ &hf_cdt_algorithmID_ShortForm,
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{ "algorithmID-ShortForm", "cdt.algorithmID_ShortForm",
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FT_INT32, BASE_DEC, VALS(cdt_AlgorithmID_ShortForm_vals), 0,
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"cdt.AlgorithmID_ShortForm", HFILL }},
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{ &hf_cdt_algorithmID_OID,
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{ "algorithmID-OID", "cdt.algorithmID_OID",
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FT_OID, BASE_NONE, NULL, 0,
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"cdt.OBJECT_IDENTIFIER", HFILL }},
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{ &hf_cdt_contentType,
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{ "contentType", "cdt.contentType",
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FT_UINT32, BASE_DEC, VALS(cdt_T_contentType_vals), 0,
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"cdt.T_contentType", HFILL }},
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{ &hf_cdt_contentType_ShortForm,
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{ "contentType-ShortForm", "cdt.contentType_ShortForm",
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FT_INT32, BASE_DEC, VALS(cdt_ContentType_ShortForm_vals), 0,
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"cdt.ContentType_ShortForm", HFILL }},
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{ &hf_cdt_contentType_OID,
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{ "contentType-OID", "cdt.contentType_OID",
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FT_OID, BASE_NONE, NULL, 0,
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"cdt.T_contentType_OID", HFILL }},
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{ &hf_cdt_compressedContent,
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{ "compressedContent", "cdt.compressedContent",
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FT_BYTES, BASE_HEX, NULL, 0,
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"cdt.CompressedContent", HFILL }},
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/*--- End of included file: packet-cdt-hfarr.c ---*/
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#line 101 "packet-cdt-template.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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/*--- Included file: packet-cdt-ettarr.c ---*/
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#line 1 "packet-cdt-ettarr.c"
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&ett_cdt_CompressedData,
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&ett_cdt_CompressionAlgorithmIdentifier,
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&ett_cdt_CompressedContentInfo,
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&ett_cdt_T_contentType,
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/*--- End of included file: packet-cdt-ettarr.c ---*/
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#line 106 "packet-cdt-template.c"
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};
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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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}
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/*--- proto_reg_handoff_cdt ---------------------------------------*/
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void proto_reg_handoff_cdt (void) {
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/*--- Included file: packet-cdt-dis-tab.c ---*/
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#line 1 "packet-cdt-dis-tab.c"
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register_ber_oid_dissector("1.3.26.0.4406.0.4.2", dissect_CompressedData_PDU, proto_cdt, "cdt");
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/*--- End of included file: packet-cdt-dis-tab.c ---*/
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#line 121 "packet-cdt-template.c"
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data_handle = find_dissector ("data");
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}
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