forked from osmocom/wireshark
09e139a234
svn path=/trunk/; revision=26698
1006 lines
34 KiB
C
1006 lines
34 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-rtse.c */
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/* ../../tools/asn2wrs.py -b -e -p rtse -c rtse.cnf -s packet-rtse-template rtse.asn */
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/* Input file: packet-rtse-template.c */
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#line 1 "packet-rtse-template.c"
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/* packet-rtse_asn1.c
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* Routines for RTSE packet dissection
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* Graeme Lunt 2005
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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/prefs.h>
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#include <epan/reassemble.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-pres.h"
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#include "packet-acse.h"
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#include "packet-ros.h"
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#include "packet-rtse.h"
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#define PNAME "X.228 OSI Reliable Transfer Service"
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#define PSNAME "RTSE"
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#define PFNAME "rtse"
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/* Initialize the protocol and registered fields */
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int proto_rtse = -1;
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static struct SESSION_DATA_STRUCTURE* session = NULL;
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static gboolean open_request=FALSE;
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static guint32 app_proto=0;
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static proto_tree *top_tree=NULL;
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/* Preferences */
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static gboolean rtse_reassemble = TRUE;
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/*--- Included file: packet-rtse-hf.c ---*/
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#line 1 "packet-rtse-hf.c"
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static int hf_rtse_rtorq_apdu = -1; /* RTORQapdu */
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static int hf_rtse_rtoac_apdu = -1; /* RTOACapdu */
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static int hf_rtse_rtorj_apdu = -1; /* RTORJapdu */
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static int hf_rtse_rttp_apdu = -1; /* RTTPapdu */
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static int hf_rtse_rttr_apdu = -1; /* RTTRapdu */
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static int hf_rtse_rtab_apdu = -1; /* RTABapdu */
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static int hf_rtse_checkpointSize = -1; /* INTEGER */
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static int hf_rtse_windowSize = -1; /* INTEGER */
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static int hf_rtse_dialogueMode = -1; /* T_dialogueMode */
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static int hf_rtse_connectionDataRQ = -1; /* ConnectionData */
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static int hf_rtse_applicationProtocol = -1; /* T_applicationProtocol */
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static int hf_rtse_connectionDataAC = -1; /* ConnectionData */
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static int hf_rtse_refuseReason = -1; /* RefuseReason */
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static int hf_rtse_userDataRJ = -1; /* T_userDataRJ */
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static int hf_rtse_abortReason = -1; /* AbortReason */
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static int hf_rtse_reflectedParameter = -1; /* BIT_STRING */
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static int hf_rtse_userdataAB = -1; /* T_userdataAB */
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static int hf_rtse_open = -1; /* T_open */
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static int hf_rtse_recover = -1; /* SessionConnectionIdentifier */
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static int hf_rtse_callingSSuserReference = -1; /* CallingSSuserReference */
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static int hf_rtse_commonReference = -1; /* CommonReference */
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static int hf_rtse_additionalReferenceInformation = -1; /* AdditionalReferenceInformation */
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static int hf_rtse_t61String = -1; /* T_t61String */
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static int hf_rtse_octetString = -1; /* T_octetString */
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/*--- End of included file: packet-rtse-hf.c ---*/
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#line 64 "packet-rtse-template.c"
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/* Initialize the subtree pointers */
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static gint ett_rtse = -1;
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/*--- Included file: packet-rtse-ett.c ---*/
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#line 1 "packet-rtse-ett.c"
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static gint ett_rtse_RTSE_apdus = -1;
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static gint ett_rtse_RTORQapdu = -1;
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static gint ett_rtse_RTOACapdu = -1;
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static gint ett_rtse_RTORJapdu = -1;
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static gint ett_rtse_RTABapdu = -1;
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static gint ett_rtse_ConnectionData = -1;
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static gint ett_rtse_SessionConnectionIdentifier = -1;
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static gint ett_rtse_CallingSSuserReference = -1;
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/*--- End of included file: packet-rtse-ett.c ---*/
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#line 68 "packet-rtse-template.c"
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static dissector_table_t rtse_oid_dissector_table=NULL;
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static GHashTable *oid_table=NULL;
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static gint ett_rtse_unknown = -1;
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static GHashTable *rtse_segment_table = NULL;
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static GHashTable *rtse_reassembled_table = NULL;
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static int hf_rtse_fragments = -1;
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static int hf_rtse_fragment = -1;
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static int hf_rtse_fragment_overlap = -1;
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static int hf_rtse_fragment_overlap_conflicts = -1;
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static int hf_rtse_fragment_multiple_tails = -1;
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static int hf_rtse_fragment_too_long_fragment = -1;
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static int hf_rtse_fragment_error = -1;
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static int hf_rtse_reassembled_in = -1;
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static gint ett_rtse_fragment = -1;
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static gint ett_rtse_fragments = -1;
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static const fragment_items rtse_frag_items = {
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/* Fragment subtrees */
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&ett_rtse_fragment,
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&ett_rtse_fragments,
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/* Fragment fields */
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&hf_rtse_fragments,
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&hf_rtse_fragment,
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&hf_rtse_fragment_overlap,
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&hf_rtse_fragment_overlap_conflicts,
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&hf_rtse_fragment_multiple_tails,
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&hf_rtse_fragment_too_long_fragment,
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&hf_rtse_fragment_error,
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/* Reassembled in field */
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&hf_rtse_reassembled_in,
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/* Tag */
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"RTSE fragments"
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};
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void
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register_rtse_oid_dissector_handle(const char *oid, dissector_handle_t dissector, int proto, const char *name, gboolean uses_ros)
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{
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/* XXX: Note that this fcn is called from proto_reg_handoff in *other* dissectors ... */
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static dissector_handle_t rtse_handle = NULL;
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static dissector_handle_t ros_handle = NULL;
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if (rtse_handle == NULL)
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rtse_handle = find_dissector("rtse");
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if (ros_handle == NULL)
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ros_handle = find_dissector("ros");
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/* save the name - but not used */
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g_hash_table_insert(oid_table, (gpointer)oid, (gpointer)name);
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/* register RTSE with the BER (ACSE) */
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register_ber_oid_dissector_handle(oid, rtse_handle, proto, name);
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if(uses_ros) {
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/* make sure we call ROS ... */
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dissector_add_string("rtse.oid", oid, ros_handle);
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/* and then tell ROS how to dissect the AS*/
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register_ros_oid_dissector_handle(oid, dissector, proto, name, TRUE);
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} else {
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/* otherwise we just remember how to dissect the AS */
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dissector_add_string("rtse.oid", oid, dissector);
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}
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}
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static int
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call_rtse_oid_callback(const char *oid, tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
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{
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tvbuff_t *next_tvb;
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next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), tvb_reported_length_remaining(tvb, offset));
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if(!dissector_try_string(rtse_oid_dissector_table, oid, next_tvb, pinfo, tree)){
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proto_item *item=NULL;
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proto_tree *next_tree=NULL;
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item=proto_tree_add_text(tree, next_tvb, 0, tvb_length_remaining(tvb, offset), "RTSE: Dissector for OID:%s not implemented. Contact Wireshark developers if you want this supported", oid);
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if(item){
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next_tree=proto_item_add_subtree(item, ett_rtse_unknown);
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}
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dissect_unknown_ber(pinfo, next_tvb, offset, next_tree);
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}
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/*XXX until we change the #.REGISTER signature for _PDU()s
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* into new_dissector_t we have to do this kludge with
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* manually step past the content in the ANY type.
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*/
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offset+=tvb_length_remaining(tvb, offset);
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return offset;
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}
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static int
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call_rtse_external_type_callback(gboolean implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_)
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{
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const char *oid = NULL;
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if (actx->external.indirect_ref_present) {
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oid = (const char *)find_oid_by_pres_ctx_id(actx->pinfo, actx->external.indirect_reference);
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} else if (actx->external.direct_ref_present) {
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oid = actx->external.direct_reference;
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}
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if (oid)
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offset = call_rtse_oid_callback(oid, tvb, offset, actx->pinfo, top_tree ? top_tree : tree);
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return offset;
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}
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/*--- Included file: packet-rtse-fn.c ---*/
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#line 1 "packet-rtse-fn.c"
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static int
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dissect_rtse_INTEGER(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_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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NULL);
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return offset;
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}
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static const value_string rtse_T_dialogueMode_vals[] = {
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{ 0, "monologue" },
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{ 1, "twa" },
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{ 0, NULL }
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};
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static int
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dissect_rtse_T_dialogueMode(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_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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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_rtse_T_open(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 "rtse.cnf"
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char *oid = NULL;
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switch(app_proto) {
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case 1: /* mts-transfer-protocol-1984 */
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oid = "applicationProtocol.1";
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break;
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case 12: /* mts-transfer-protocol */
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oid = "applicationProtocol.12";
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break;
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default:
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if(session && session->pres_ctx_id)
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oid = find_oid_by_pres_ctx_id(actx->pinfo, session->pres_ctx_id);
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break;
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}
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if(!oid) /* XXX: problem here is we haven't decoded the applicationProtocol yet - so we make assumptions! */
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oid = "applicationProtocol.12";
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if(oid) {
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offset = call_rtse_oid_callback(oid, tvb, offset, actx->pinfo, top_tree ? top_tree : tree);
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}
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/* else XXX: need to flag we can't find the presentation context */
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return offset;
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}
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static int
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dissect_rtse_T_t61String(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 107 "rtse.cnf"
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tvbuff_t *string = NULL;
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offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_TeletexString,
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actx, tree, tvb, offset, hf_index,
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&string);
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if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
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col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
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return offset;
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}
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static int
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dissect_rtse_T_octetString(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 123 "rtse.cnf"
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tvbuff_t *string = NULL;
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offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
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&string);
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if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
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col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
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return offset;
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}
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static const value_string rtse_CallingSSuserReference_vals[] = {
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{ 0, "t61String" },
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{ 1, "octetString" },
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{ 0, NULL }
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};
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static const ber_choice_t CallingSSuserReference_choice[] = {
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{ 0, &hf_rtse_t61String , BER_CLASS_UNI, BER_UNI_TAG_TeletexString, BER_FLAGS_NOOWNTAG, dissect_rtse_T_t61String },
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{ 1, &hf_rtse_octetString , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_rtse_T_octetString },
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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_rtse_CallingSSuserReference(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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CallingSSuserReference_choice, hf_index, ett_rtse_CallingSSuserReference,
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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_rtse_CommonReference(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 115 "rtse.cnf"
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tvbuff_t *string = NULL;
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offset = dissect_ber_UTCTime(implicit_tag, actx, tree, tvb, offset, hf_index);
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if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
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col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
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return offset;
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}
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static int
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dissect_rtse_AdditionalReferenceInformation(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_restricted_string(implicit_tag, BER_UNI_TAG_TeletexString,
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actx, tree, tvb, offset, hf_index,
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NULL);
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return offset;
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}
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static const ber_sequence_t SessionConnectionIdentifier_sequence[] = {
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{ &hf_rtse_callingSSuserReference, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_rtse_CallingSSuserReference },
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{ &hf_rtse_commonReference, BER_CLASS_UNI, BER_UNI_TAG_UTCTime, BER_FLAGS_NOOWNTAG, dissect_rtse_CommonReference },
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{ &hf_rtse_additionalReferenceInformation, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_AdditionalReferenceInformation },
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{ NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_rtse_SessionConnectionIdentifier(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 100 "rtse.cnf"
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if(open_request && check_col(actx->pinfo->cinfo, COL_INFO))
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col_append_str(actx->pinfo->cinfo, COL_INFO, "Recover");
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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SessionConnectionIdentifier_sequence, hf_index, ett_rtse_SessionConnectionIdentifier);
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return offset;
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}
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static const value_string rtse_ConnectionData_vals[] = {
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{ 0, "open" },
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{ 1, "recover" },
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{ 0, NULL }
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};
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static const ber_choice_t ConnectionData_choice[] = {
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{ 0, &hf_rtse_open , BER_CLASS_CON, 0, 0, dissect_rtse_T_open },
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{ 1, &hf_rtse_recover , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_rtse_SessionConnectionIdentifier },
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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_rtse_ConnectionData(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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ConnectionData_choice, hf_index, ett_rtse_ConnectionData,
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NULL);
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return offset;
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}
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static const value_string rtse_T_applicationProtocol_vals[] = {
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{ 12, "mts-transfer-protocol" },
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{ 1, "mts-transfer-protocol-1984" },
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{ 0, NULL }
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};
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static int
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dissect_rtse_T_applicationProtocol(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 96 "rtse.cnf"
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offset = dissect_ber_integer(TRUE, actx, tree, tvb, offset, hf_index, &app_proto);
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return offset;
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}
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|
|
static const ber_sequence_t RTORQapdu_set[] = {
|
|
{ &hf_rtse_checkpointSize , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_INTEGER },
|
|
{ &hf_rtse_windowSize , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_INTEGER },
|
|
{ &hf_rtse_dialogueMode , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_T_dialogueMode },
|
|
{ &hf_rtse_connectionDataRQ, BER_CLASS_CON, 3, BER_FLAGS_NOTCHKTAG, dissect_rtse_ConnectionData },
|
|
{ &hf_rtse_applicationProtocol, BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_T_applicationProtocol },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_rtse_RTORQapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 37 "rtse.cnf"
|
|
|
|
if((session = (struct SESSION_DATA_STRUCTURE*)(actx->pinfo->private_data)) != NULL)
|
|
session->ros_op = (ROS_OP_BIND | ROS_OP_ARGUMENT);
|
|
open_request=TRUE;
|
|
offset = dissect_ber_set(implicit_tag, actx, tree, tvb, offset,
|
|
RTORQapdu_set, hf_index, ett_rtse_RTORQapdu);
|
|
|
|
open_request=FALSE;
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t RTOACapdu_set[] = {
|
|
{ &hf_rtse_checkpointSize , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_INTEGER },
|
|
{ &hf_rtse_windowSize , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_INTEGER },
|
|
{ &hf_rtse_connectionDataAC, BER_CLASS_CON, 2, BER_FLAGS_NOTCHKTAG, dissect_rtse_ConnectionData },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_rtse_RTOACapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 45 "rtse.cnf"
|
|
|
|
if((session = (struct SESSION_DATA_STRUCTURE*)(actx->pinfo->private_data)) != NULL)
|
|
session->ros_op = (ROS_OP_BIND | ROS_OP_RESULT);
|
|
|
|
offset = dissect_ber_set(implicit_tag, actx, tree, tvb, offset,
|
|
RTOACapdu_set, hf_index, ett_rtse_RTOACapdu);
|
|
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string rtse_RefuseReason_vals[] = {
|
|
{ 0, "rtsBusy" },
|
|
{ 1, "cannotRecover" },
|
|
{ 2, "validationFailure" },
|
|
{ 3, "unacceptableDialogueMode" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_rtse_RefuseReason(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_rtse_T_userDataRJ(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 8 "rtse.cnf"
|
|
char *oid = NULL;
|
|
|
|
switch(app_proto) {
|
|
case 1: /* mts-transfer-protocol-1984 */
|
|
oid = "applicationProtocol.1";
|
|
break;
|
|
case 12: /* mts-transfer-protocol */
|
|
oid = "applicationProtocol.12";
|
|
break;
|
|
default:
|
|
if(session && session->pres_ctx_id)
|
|
oid = find_oid_by_pres_ctx_id(actx->pinfo, session->pres_ctx_id);
|
|
break;
|
|
}
|
|
|
|
if(!oid) /* XXX: problem here is we haven't decoded the applicationProtocol yet - so we make assumptions! */
|
|
oid = "applicationProtocol.12";
|
|
|
|
if(oid) {
|
|
if((session = (struct SESSION_DATA_STRUCTURE*)(actx->pinfo->private_data)) != NULL)
|
|
session->ros_op = (ROS_OP_BIND | ROS_OP_ERROR);
|
|
|
|
offset = call_rtse_oid_callback(oid, tvb, offset, actx->pinfo, top_tree ? top_tree : tree);
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t RTORJapdu_set[] = {
|
|
{ &hf_rtse_refuseReason , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_RefuseReason },
|
|
{ &hf_rtse_userDataRJ , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_rtse_T_userDataRJ },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_rtse_RTORJapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_set(implicit_tag, actx, tree, tvb, offset,
|
|
RTORJapdu_set, hf_index, ett_rtse_RTORJapdu);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_rtse_RTTPapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_rtse_RTTRapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 79 "rtse.cnf"
|
|
tvbuff_t *next_tvb = NULL;
|
|
|
|
offset = dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, &next_tvb);
|
|
|
|
if(next_tvb) {
|
|
|
|
/* XXX: we should check is this is an EXTERNAL first */
|
|
|
|
/* ROS won't do this for us */
|
|
if(session)
|
|
session->ros_op = (ROS_OP_INVOKE | ROS_OP_ARGUMENT);
|
|
|
|
offset = dissect_ber_external_type(FALSE, tree, next_tvb, 0, actx, -1, call_rtse_external_type_callback);
|
|
}
|
|
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string rtse_AbortReason_vals[] = {
|
|
{ 0, "localSystemProblem" },
|
|
{ 1, "invalidParameter" },
|
|
{ 2, "unrecognizedActivity" },
|
|
{ 3, "temporaryProblem" },
|
|
{ 4, "protocolError" },
|
|
{ 5, "permanentProblem" },
|
|
{ 6, "userError" },
|
|
{ 7, "transferCompleted" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
|
|
static int
|
|
dissect_rtse_AbortReason(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_rtse_BIT_STRING(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
|
|
NULL, hf_index, -1,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
dissect_rtse_T_userdataAB(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
#line 34 "rtse.cnf"
|
|
/*XXX not implemented yet */
|
|
|
|
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const ber_sequence_t RTABapdu_set[] = {
|
|
{ &hf_rtse_abortReason , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_AbortReason },
|
|
{ &hf_rtse_reflectedParameter, BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_BIT_STRING },
|
|
{ &hf_rtse_userdataAB , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_rtse_T_userdataAB },
|
|
{ NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
int
|
|
dissect_rtse_RTABapdu(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_set(implicit_tag, actx, tree, tvb, offset,
|
|
RTABapdu_set, hf_index, ett_rtse_RTABapdu);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
static const value_string rtse_RTSE_apdus_vals[] = {
|
|
{ 0, "rtorq-apdu" },
|
|
{ 1, "rtoac-apdu" },
|
|
{ 2, "rtorj-apdu" },
|
|
{ 3, "rttp-apdu" },
|
|
{ 4, "rttr-apdu" },
|
|
{ 5, "rtab-apdu" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const ber_choice_t RTSE_apdus_choice[] = {
|
|
{ 0, &hf_rtse_rtorq_apdu , BER_CLASS_CON, 16, BER_FLAGS_IMPLTAG, dissect_rtse_RTORQapdu },
|
|
{ 1, &hf_rtse_rtoac_apdu , BER_CLASS_CON, 17, BER_FLAGS_IMPLTAG, dissect_rtse_RTOACapdu },
|
|
{ 2, &hf_rtse_rtorj_apdu , BER_CLASS_CON, 18, BER_FLAGS_IMPLTAG, dissect_rtse_RTORJapdu },
|
|
{ 3, &hf_rtse_rttp_apdu , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_rtse_RTTPapdu },
|
|
{ 4, &hf_rtse_rttr_apdu , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_rtse_RTTRapdu },
|
|
{ 5, &hf_rtse_rtab_apdu , BER_CLASS_CON, 22, BER_FLAGS_IMPLTAG, dissect_rtse_RTABapdu },
|
|
{ 0, NULL, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_rtse_RTSE_apdus(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
|
|
offset = dissect_ber_choice(actx, tree, tvb, offset,
|
|
RTSE_apdus_choice, hf_index, ett_rtse_RTSE_apdus,
|
|
NULL);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/*--- End of included file: packet-rtse-fn.c ---*/
|
|
#line 183 "packet-rtse-template.c"
|
|
|
|
/*
|
|
* Dissect RTSE PDUs inside a PPDU.
|
|
*/
|
|
static void
|
|
dissect_rtse(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
int offset = 0;
|
|
int old_offset;
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
tvbuff_t *next_tvb = NULL;
|
|
tvbuff_t *data_tvb = NULL;
|
|
fragment_data *frag_msg = NULL;
|
|
guint32 fragment_length;
|
|
guint32 rtse_id = 0;
|
|
gboolean data_handled = FALSE;
|
|
conversation_t *conversation = NULL;
|
|
asn1_ctx_t asn1_ctx;
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
|
|
/* save parent_tree so subdissectors can create new top nodes */
|
|
top_tree=parent_tree;
|
|
|
|
/* do we have application context from the acse dissector? */
|
|
if( !pinfo->private_data ){
|
|
if(parent_tree){
|
|
proto_tree_add_text(parent_tree, tvb, offset, -1,
|
|
"Internal error:can't get application context from ACSE dissector.");
|
|
}
|
|
return ;
|
|
} else {
|
|
session = ( (struct SESSION_DATA_STRUCTURE*)(pinfo->private_data) );
|
|
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RTSE");
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
if (rtse_reassemble &&
|
|
((session->spdu_type == SES_DATA_TRANSFER) ||
|
|
(session->spdu_type == SES_MAJOR_SYNC_POINT))) {
|
|
/* Use conversation index as fragment id */
|
|
conversation = find_conversation (pinfo->fd->num,
|
|
&pinfo->src, &pinfo->dst, pinfo->ptype,
|
|
pinfo->srcport, pinfo->destport, 0);
|
|
if (conversation != NULL) {
|
|
rtse_id = conversation->index;
|
|
}
|
|
session->rtse_reassemble = TRUE;
|
|
}
|
|
if (rtse_reassemble && session->spdu_type == SES_MAJOR_SYNC_POINT) {
|
|
frag_msg = fragment_end_seq_next (pinfo, rtse_id, rtse_segment_table,
|
|
rtse_reassembled_table);
|
|
next_tvb = process_reassembled_data (tvb, offset, pinfo, "Reassembled RTSE",
|
|
frag_msg, &rtse_frag_items, NULL, parent_tree);
|
|
}
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, proto_rtse, next_tvb ? next_tvb : tvb, 0, -1, FALSE);
|
|
tree = proto_item_add_subtree(item, ett_rtse);
|
|
}
|
|
if (rtse_reassemble && session->spdu_type == SES_DATA_TRANSFER) {
|
|
/* strip off the OCTET STRING encoding - including any CONSTRUCTED OCTET STRING */
|
|
dissect_ber_octet_string(FALSE, &asn1_ctx, NULL, tvb, offset, 0, &data_tvb);
|
|
|
|
if (data_tvb) {
|
|
fragment_length = tvb_length_remaining (data_tvb, 0);
|
|
proto_tree_add_text(tree, data_tvb, 0, (fragment_length) ? -1 : 0,
|
|
"RTSE segment data (%u byte%s)", fragment_length,
|
|
plurality(fragment_length, "", "s"));
|
|
frag_msg = fragment_add_seq_next (data_tvb, 0, pinfo,
|
|
rtse_id, rtse_segment_table,
|
|
rtse_reassembled_table, fragment_length, TRUE);
|
|
if (frag_msg && pinfo->fd->num != frag_msg->reassembled_in) {
|
|
/* Add a "Reassembled in" link if not reassembled in this frame */
|
|
proto_tree_add_uint (tree, *(rtse_frag_items.hf_reassembled_in),
|
|
data_tvb, 0, 0, frag_msg->reassembled_in);
|
|
}
|
|
pinfo->fragmented = TRUE;
|
|
data_handled = TRUE;
|
|
} else {
|
|
fragment_length = tvb_length_remaining (tvb, offset);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "[RTSE fragment, %u byte%s]",
|
|
fragment_length, plurality(fragment_length, "", "s"));
|
|
} else if (rtse_reassemble && session->spdu_type == SES_MAJOR_SYNC_POINT) {
|
|
if (next_tvb) {
|
|
/* ROS won't do this for us */
|
|
session->ros_op = (ROS_OP_INVOKE | ROS_OP_ARGUMENT);
|
|
offset=dissect_ber_external_type(FALSE, tree, next_tvb, 0, &asn1_ctx, -1, call_rtse_external_type_callback);
|
|
} else {
|
|
offset = tvb_length (tvb);
|
|
}
|
|
pinfo->fragmented = FALSE;
|
|
data_handled = TRUE;
|
|
}
|
|
|
|
if (!data_handled) {
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0){
|
|
old_offset=offset;
|
|
offset=dissect_rtse_RTSE_apdus(TRUE, tvb, offset, &asn1_ctx, tree, -1);
|
|
if(offset == old_offset){
|
|
proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte RTSE PDU");
|
|
offset = tvb_length(tvb);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
top_tree = NULL;
|
|
}
|
|
|
|
static void rtse_reassemble_init (void)
|
|
{
|
|
fragment_table_init (&rtse_segment_table);
|
|
reassembled_table_init (&rtse_reassembled_table);
|
|
}
|
|
|
|
/*--- proto_register_rtse -------------------------------------------*/
|
|
void proto_register_rtse(void) {
|
|
|
|
/* List of fields */
|
|
static hf_register_info hf[] =
|
|
{
|
|
/* Fragment entries */
|
|
{ &hf_rtse_fragments,
|
|
{ "RTSE fragments", "rtse.fragments", FT_NONE, BASE_NONE,
|
|
NULL, 0x00, "Message fragments", HFILL } },
|
|
{ &hf_rtse_fragment,
|
|
{ "RTSE fragment", "rtse.fragment", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0x00, "Message fragment", HFILL } },
|
|
{ &hf_rtse_fragment_overlap,
|
|
{ "RTSE fragment overlap", "rtse.fragment.overlap", FT_BOOLEAN,
|
|
BASE_NONE, NULL, 0x00, "Message fragment overlap", HFILL } },
|
|
{ &hf_rtse_fragment_overlap_conflicts,
|
|
{ "RTSE fragment overlapping with conflicting data",
|
|
"rtse.fragment.overlap.conflicts", FT_BOOLEAN, BASE_NONE, NULL,
|
|
0x00, "Message fragment overlapping with conflicting data", HFILL } },
|
|
{ &hf_rtse_fragment_multiple_tails,
|
|
{ "RTSE has multiple tail fragments",
|
|
"rtse.fragment.multiple_tails", FT_BOOLEAN, BASE_NONE,
|
|
NULL, 0x00, "Message has multiple tail fragments", HFILL } },
|
|
{ &hf_rtse_fragment_too_long_fragment,
|
|
{ "RTSE fragment too long", "rtse.fragment.too_long_fragment",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x00, "Message fragment too long",
|
|
HFILL } },
|
|
{ &hf_rtse_fragment_error,
|
|
{ "RTSE defragmentation error", "rtse.fragment.error", FT_FRAMENUM,
|
|
BASE_NONE, NULL, 0x00, "Message defragmentation error", HFILL } },
|
|
{ &hf_rtse_reassembled_in,
|
|
{ "Reassembled RTSE in frame", "rtse.reassembled.in", FT_FRAMENUM, BASE_NONE,
|
|
NULL, 0x00, "This RTSE packet is reassembled in this frame", HFILL } },
|
|
|
|
|
|
/*--- Included file: packet-rtse-hfarr.c ---*/
|
|
#line 1 "packet-rtse-hfarr.c"
|
|
{ &hf_rtse_rtorq_apdu,
|
|
{ "rtorq-apdu", "rtse.rtorq_apdu",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.RTORQapdu", HFILL }},
|
|
{ &hf_rtse_rtoac_apdu,
|
|
{ "rtoac-apdu", "rtse.rtoac_apdu",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.RTOACapdu", HFILL }},
|
|
{ &hf_rtse_rtorj_apdu,
|
|
{ "rtorj-apdu", "rtse.rtorj_apdu",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.RTORJapdu", HFILL }},
|
|
{ &hf_rtse_rttp_apdu,
|
|
{ "rttp-apdu", "rtse.rttp_apdu",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"rtse.RTTPapdu", HFILL }},
|
|
{ &hf_rtse_rttr_apdu,
|
|
{ "rttr-apdu", "rtse.rttr_apdu",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"rtse.RTTRapdu", HFILL }},
|
|
{ &hf_rtse_rtab_apdu,
|
|
{ "rtab-apdu", "rtse.rtab_apdu",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.RTABapdu", HFILL }},
|
|
{ &hf_rtse_checkpointSize,
|
|
{ "checkpointSize", "rtse.checkpointSize",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"rtse.INTEGER", HFILL }},
|
|
{ &hf_rtse_windowSize,
|
|
{ "windowSize", "rtse.windowSize",
|
|
FT_INT32, BASE_DEC, NULL, 0,
|
|
"rtse.INTEGER", HFILL }},
|
|
{ &hf_rtse_dialogueMode,
|
|
{ "dialogueMode", "rtse.dialogueMode",
|
|
FT_INT32, BASE_DEC, VALS(rtse_T_dialogueMode_vals), 0,
|
|
"rtse.T_dialogueMode", HFILL }},
|
|
{ &hf_rtse_connectionDataRQ,
|
|
{ "connectionDataRQ", "rtse.connectionDataRQ",
|
|
FT_UINT32, BASE_DEC, VALS(rtse_ConnectionData_vals), 0,
|
|
"rtse.ConnectionData", HFILL }},
|
|
{ &hf_rtse_applicationProtocol,
|
|
{ "applicationProtocol", "rtse.applicationProtocol",
|
|
FT_INT32, BASE_DEC, VALS(rtse_T_applicationProtocol_vals), 0,
|
|
"rtse.T_applicationProtocol", HFILL }},
|
|
{ &hf_rtse_connectionDataAC,
|
|
{ "connectionDataAC", "rtse.connectionDataAC",
|
|
FT_UINT32, BASE_DEC, VALS(rtse_ConnectionData_vals), 0,
|
|
"rtse.ConnectionData", HFILL }},
|
|
{ &hf_rtse_refuseReason,
|
|
{ "refuseReason", "rtse.refuseReason",
|
|
FT_INT32, BASE_DEC, VALS(rtse_RefuseReason_vals), 0,
|
|
"rtse.RefuseReason", HFILL }},
|
|
{ &hf_rtse_userDataRJ,
|
|
{ "userDataRJ", "rtse.userDataRJ",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.T_userDataRJ", HFILL }},
|
|
{ &hf_rtse_abortReason,
|
|
{ "abortReason", "rtse.abortReason",
|
|
FT_INT32, BASE_DEC, VALS(rtse_AbortReason_vals), 0,
|
|
"rtse.AbortReason", HFILL }},
|
|
{ &hf_rtse_reflectedParameter,
|
|
{ "reflectedParameter", "rtse.reflectedParameter",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"rtse.BIT_STRING", HFILL }},
|
|
{ &hf_rtse_userdataAB,
|
|
{ "userdataAB", "rtse.userdataAB",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.T_userdataAB", HFILL }},
|
|
{ &hf_rtse_open,
|
|
{ "open", "rtse.open",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.T_open", HFILL }},
|
|
{ &hf_rtse_recover,
|
|
{ "recover", "rtse.recover",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
"rtse.SessionConnectionIdentifier", HFILL }},
|
|
{ &hf_rtse_callingSSuserReference,
|
|
{ "callingSSuserReference", "rtse.callingSSuserReference",
|
|
FT_UINT32, BASE_DEC, VALS(rtse_CallingSSuserReference_vals), 0,
|
|
"rtse.CallingSSuserReference", HFILL }},
|
|
{ &hf_rtse_commonReference,
|
|
{ "commonReference", "rtse.commonReference",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"rtse.CommonReference", HFILL }},
|
|
{ &hf_rtse_additionalReferenceInformation,
|
|
{ "additionalReferenceInformation", "rtse.additionalReferenceInformation",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"rtse.AdditionalReferenceInformation", HFILL }},
|
|
{ &hf_rtse_t61String,
|
|
{ "t61String", "rtse.t61String",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"rtse.T_t61String", HFILL }},
|
|
{ &hf_rtse_octetString,
|
|
{ "octetString", "rtse.octetString",
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
"rtse.T_octetString", HFILL }},
|
|
|
|
/*--- End of included file: packet-rtse-hfarr.c ---*/
|
|
#line 341 "packet-rtse-template.c"
|
|
};
|
|
|
|
/* List of subtrees */
|
|
static gint *ett[] = {
|
|
&ett_rtse,
|
|
&ett_rtse_unknown,
|
|
&ett_rtse_fragment,
|
|
&ett_rtse_fragments,
|
|
|
|
/*--- Included file: packet-rtse-ettarr.c ---*/
|
|
#line 1 "packet-rtse-ettarr.c"
|
|
&ett_rtse_RTSE_apdus,
|
|
&ett_rtse_RTORQapdu,
|
|
&ett_rtse_RTOACapdu,
|
|
&ett_rtse_RTORJapdu,
|
|
&ett_rtse_RTABapdu,
|
|
&ett_rtse_ConnectionData,
|
|
&ett_rtse_SessionConnectionIdentifier,
|
|
&ett_rtse_CallingSSuserReference,
|
|
|
|
/*--- End of included file: packet-rtse-ettarr.c ---*/
|
|
#line 350 "packet-rtse-template.c"
|
|
};
|
|
|
|
module_t *rtse_module;
|
|
|
|
/* Register protocol */
|
|
proto_rtse = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
register_dissector("rtse", dissect_rtse, proto_rtse);
|
|
/* Register fields and subtrees */
|
|
proto_register_field_array(proto_rtse, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
register_init_routine (&rtse_reassemble_init);
|
|
rtse_module = prefs_register_protocol_subtree("OSI", proto_rtse, NULL);
|
|
|
|
prefs_register_bool_preference(rtse_module, "reassemble",
|
|
"Reassemble segmented RTSE datagrams",
|
|
"Whether segmented RTSE datagrams should be reassembled."
|
|
" To use this option, you must also enable"
|
|
" \"Allow subdissectors to reassemble TCP streams\""
|
|
" in the TCP protocol settings.", &rtse_reassemble);
|
|
|
|
rtse_oid_dissector_table = register_dissector_table("rtse.oid", "RTSE OID Dissectors", FT_STRING, BASE_NONE);
|
|
oid_table=g_hash_table_new(g_str_hash, g_str_equal);
|
|
|
|
|
|
}
|
|
|
|
|
|
/*--- proto_reg_handoff_rtse --- */
|
|
void proto_reg_handoff_rtse(void) {
|
|
|
|
|
|
}
|