forked from osmocom/wireshark
225 lines
6.4 KiB
C
225 lines
6.4 KiB
C
/* packet-cmip.c
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* Routines for X.711 CMIP packet dissection
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* Ronnie Sahlberg 2004
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/oid_resolv.h>
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#include <epan/asn1.h>
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#include <stdio.h>
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#include <string.h>
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#include "packet-ber.h"
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#include "packet-acse.h"
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#include "packet-x509if.h"
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#include "packet-cmip.h"
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#define PNAME "X711 CMIP"
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#define PSNAME "CMIP"
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#define PFNAME "cmip"
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/* XXX some stuff we need until we can get rid of it */
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#include "packet-ses.h"
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#include "packet-pres.h"
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/* Initialize the protocol and registered fields */
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int proto_cmip = -1;
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static int hf_cmip_actionType_OID = -1;
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static int hf_cmip_eventType_OID = -1;
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static int hf_cmip_attributeId_OID = -1;
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static int hf_cmip_errorId_OID = -1;
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static int hf_DiscriminatorConstruct = -1;
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static int hf_Destination = -1;
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static int hf_NameBinding = -1;
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static int hf_ObjectClass = -1;
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static int hf_OperationalState = -1;
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#include "packet-cmip-hf.c"
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/* Initialize the subtree pointers */
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static gint ett_cmip = -1;
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#include "packet-cmip-ett.c"
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static guint32 opcode;
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static int opcode_type;
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#define OPCODE_INVOKE 1
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#define OPCODE_RETURN_RESULT 2
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#define OPCODE_RETURN_ERROR 3
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#define OPCODE_REJECT 4
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static int attributeform;
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#define ATTRIBUTE_LOCAL_FORM 0
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#define ATTRIBUTE_GLOBAL_FORM 1
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static const char *attribute_identifier_id;
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static const char *attributevalueassertion_id;
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static const char *object_identifier_id;
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static int objectclassform;
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#define OBJECTCLASS_LOCAL_FORM 0
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#define OBJECTCLASS_GLOBAL_FORM 1
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static const char *objectclass_identifier_id;
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#include "packet-cmip-fn.c"
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/* XXX this one should be broken out later and moved into the conformance file */
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static void
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dissect_cmip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
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{
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static struct SESSION_DATA_STRUCTURE* session = NULL;
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proto_item *item = NULL;
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proto_tree *tree = NULL;
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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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/* do we have spdu type from the session dissector? */
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if( !pinfo->private_data ){
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if(tree){
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proto_tree_add_text(tree, tvb, 0, -1,
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"Internal error:can't get spdu type from session dissector.");
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return;
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}
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} else {
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session = ( (struct SESSION_DATA_STRUCTURE*)(pinfo->private_data) );
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if(session->spdu_type == 0 ){
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if(tree){
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proto_tree_add_text(tree, tvb, 0, -1,
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"Internal error:wrong spdu type %x from session dissector.",session->spdu_type);
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return;
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}
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}
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}
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if(parent_tree){
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item = proto_tree_add_item(parent_tree, proto_cmip, tvb, 0, -1, FALSE);
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tree = proto_item_add_subtree(item, ett_cmip);
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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, "CMIP");
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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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switch(session->spdu_type){
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case SES_CONNECTION_REQUEST:
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case SES_CONNECTION_ACCEPT:
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case SES_DISCONNECT:
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case SES_FINISH:
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case SES_REFUSE:
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dissect_cmip_CMIPUserInfo(FALSE,tvb,0,&asn1_ctx,tree,-1);
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break;
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case SES_ABORT:
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dissect_cmip_CMIPAbortInfo(FALSE,tvb,0,&asn1_ctx,tree,-1);
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break;
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case SES_DATA_TRANSFER:
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dissect_cmip_ROS(FALSE,tvb,0,&asn1_ctx,tree,-1);
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break;
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default:
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;
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}
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}
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/*--- proto_register_cmip ----------------------------------------------*/
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void proto_register_cmip(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_cmip_actionType_OID,
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{ "actionType", "cmip.actionType_OID",
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FT_STRING, BASE_NONE, NULL, 0,
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"actionType", HFILL }},
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{ &hf_cmip_eventType_OID,
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{ "eventType", "cmip.eventType_OID",
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FT_STRING, BASE_NONE, NULL, 0,
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"eventType", HFILL }},
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{ &hf_cmip_attributeId_OID,
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{ "attributeId", "cmip.attributeId_OID",
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FT_STRING, BASE_NONE, NULL, 0,
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"attributeId", HFILL }},
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{ &hf_cmip_errorId_OID,
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{ "errorId", "cmip.errorId_OID",
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FT_STRING, BASE_NONE, NULL, 0,
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"errorId", HFILL }},
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{ &hf_DiscriminatorConstruct,
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{ "DiscriminatorConstruct", "cmip.DiscriminatorConstruct",
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FT_UINT32, BASE_DEC, NULL, 0,
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"", HFILL }},
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{ &hf_Destination,
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{ "Destination", "cmip.Destination",
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FT_UINT32, BASE_DEC, NULL, 0,
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"", HFILL }},
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{ &hf_NameBinding,
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{ "NameBinding", "cmip.NameBinding",
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FT_STRING, BASE_NONE, NULL, 0,
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"", HFILL }},
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{ &hf_ObjectClass,
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{ "ObjectClass", "cmip.ObjectClass",
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FT_UINT32, BASE_DEC, VALS(cmip_ObjectClass_vals), 0,
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"", HFILL }},
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{ &hf_OperationalState,
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{ "OperationalState", "cmip.OperationalState",
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FT_UINT32, BASE_DEC, VALS(cmip_OperationalState_vals), 0,
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"", HFILL }},
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#include "packet-cmip-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_cmip,
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#include "packet-cmip-ettarr.c"
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};
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/* Register protocol */
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proto_cmip = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_cmip, 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_cmip -------------------------------------------*/
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void proto_reg_handoff_cmip(void) {
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register_ber_oid_dissector("2.9.0.0.2", dissect_cmip, proto_cmip, "cmip");
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register_ber_oid_dissector("2.9.1.1.4", dissect_cmip, proto_cmip, "joint-iso-itu-t(2) ms(9) cmip(1) cmip-pci(1) abstractSyntax(4)");
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add_oid_str_name("2.9.3.2.3.4","eventForwardingDiscriminator(4)");
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add_oid_str_name("2.9.1.1.4","joint-iso-itu-t(2) ms(9) cmip(1) cmip-pci(1) abstractSyntax(4)");
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#include "packet-cmip-dis-tab.c"
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}
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