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wireshark/epan/dissectors/packet-rtse.c

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/* Do not modify this file. */
/* It is created automatically by the ASN.1 to Wireshark dissector compiler */
/* packet-rtse.c */
/* ../../tools/asn2wrs.py -b -e -p rtse -c ./rtse.cnf -s ./packet-rtse-template -D . rtse.asn */
/* Input file: packet-rtse-template.c */
#line 1 "packet-rtse-template.c"
/* packet-rtse_asn1.c
* Routines for RTSE packet dissection
* Graeme Lunt 2005
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
#include <epan/prefs.h>
#include <epan/reassemble.h>
#include <epan/asn1.h>
#include <stdio.h>
#include <string.h>
#include "packet-ber.h"
#include "packet-pres.h"
#include "packet-acse.h"
#include "packet-ros.h"
#include "packet-rtse.h"
#define PNAME "X.228 OSI Reliable Transfer Service"
#define PSNAME "RTSE"
#define PFNAME "rtse"
/* Initialize the protocol and registered fields */
int proto_rtse = -1;
static struct SESSION_DATA_STRUCTURE* session = NULL;
static gboolean open_request=FALSE;
static guint32 app_proto=0;
static proto_tree *top_tree=NULL;
static dissector_handle_t rtse_handle = NULL;
static dissector_handle_t ros_handle = NULL;
/* Preferences */
static gboolean rtse_reassemble = TRUE;
/*--- Included file: packet-rtse-hf.c ---*/
#line 1 "packet-rtse-hf.c"
static int hf_rtse_rtorq_apdu = -1; /* RTORQapdu */
static int hf_rtse_rtoac_apdu = -1; /* RTOACapdu */
static int hf_rtse_rtorj_apdu = -1; /* RTORJapdu */
static int hf_rtse_rttp_apdu = -1; /* RTTPapdu */
static int hf_rtse_rttr_apdu = -1; /* RTTRapdu */
static int hf_rtse_rtab_apdu = -1; /* RTABapdu */
static int hf_rtse_checkpointSize = -1; /* INTEGER */
static int hf_rtse_windowSize = -1; /* INTEGER */
static int hf_rtse_dialogueMode = -1; /* T_dialogueMode */
static int hf_rtse_connectionDataRQ = -1; /* ConnectionData */
static int hf_rtse_applicationProtocol = -1; /* T_applicationProtocol */
static int hf_rtse_connectionDataAC = -1; /* ConnectionData */
static int hf_rtse_refuseReason = -1; /* RefuseReason */
static int hf_rtse_userDataRJ = -1; /* T_userDataRJ */
static int hf_rtse_abortReason = -1; /* AbortReason */
static int hf_rtse_reflectedParameter = -1; /* BIT_STRING */
static int hf_rtse_userdataAB = -1; /* T_userdataAB */
static int hf_rtse_open = -1; /* T_open */
static int hf_rtse_recover = -1; /* SessionConnectionIdentifier */
static int hf_rtse_callingSSuserReference = -1; /* CallingSSuserReference */
static int hf_rtse_commonReference = -1; /* CommonReference */
static int hf_rtse_additionalReferenceInformation = -1; /* AdditionalReferenceInformation */
static int hf_rtse_t61String = -1; /* T_t61String */
static int hf_rtse_octetString = -1; /* T_octetString */
/*--- End of included file: packet-rtse-hf.c ---*/
#line 67 "packet-rtse-template.c"
/* Initialize the subtree pointers */
static gint ett_rtse = -1;
/*--- Included file: packet-rtse-ett.c ---*/
#line 1 "packet-rtse-ett.c"
static gint ett_rtse_RTSE_apdus = -1;
static gint ett_rtse_RTORQapdu = -1;
static gint ett_rtse_RTOACapdu = -1;
static gint ett_rtse_RTORJapdu = -1;
static gint ett_rtse_RTABapdu = -1;
static gint ett_rtse_ConnectionData = -1;
static gint ett_rtse_SessionConnectionIdentifier = -1;
static gint ett_rtse_CallingSSuserReference = -1;
/*--- End of included file: packet-rtse-ett.c ---*/
#line 71 "packet-rtse-template.c"
static dissector_table_t rtse_oid_dissector_table=NULL;
static GHashTable *oid_table=NULL;
static gint ett_rtse_unknown = -1;
static GHashTable *rtse_segment_table = NULL;
static GHashTable *rtse_reassembled_table = NULL;
static int hf_rtse_fragments = -1;
static int hf_rtse_fragment = -1;
static int hf_rtse_fragment_overlap = -1;
static int hf_rtse_fragment_overlap_conflicts = -1;
static int hf_rtse_fragment_multiple_tails = -1;
static int hf_rtse_fragment_too_long_fragment = -1;
static int hf_rtse_fragment_error = -1;
static int hf_rtse_reassembled_in = -1;
static gint ett_rtse_fragment = -1;
static gint ett_rtse_fragments = -1;
static const fragment_items rtse_frag_items = {
/* Fragment subtrees */
&ett_rtse_fragment,
&ett_rtse_fragments,
/* Fragment fields */
&hf_rtse_fragments,
&hf_rtse_fragment,
&hf_rtse_fragment_overlap,
&hf_rtse_fragment_overlap_conflicts,
&hf_rtse_fragment_multiple_tails,
&hf_rtse_fragment_too_long_fragment,
&hf_rtse_fragment_error,
/* Reassembled in field */
&hf_rtse_reassembled_in,
/* Tag */
"RTSE fragments"
};
void
register_rtse_oid_dissector_handle(const char *oid, dissector_handle_t dissector, int proto _U_, const char *name, gboolean uses_ros)
{
/* save the name - but not used */
g_hash_table_insert(oid_table, (gpointer)oid, (gpointer)name);
/* register RTSE with the BER (ACSE) */
register_ber_oid_dissector_handle(oid, rtse_handle, proto, name);
if(uses_ros) {
/* make sure we call ROS ... */
dissector_add_string("rtse.oid", oid, ros_handle);
/* and then tell ROS how to dissect the AS*/
register_ros_oid_dissector_handle(oid, dissector, proto, name, TRUE);
} else {
/* otherwise we just remember how to dissect the AS */
dissector_add_string("rtse.oid", oid, dissector);
}
}
static int
call_rtse_oid_callback(const char *oid, tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
{
tvbuff_t *next_tvb;
next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), tvb_reported_length_remaining(tvb, offset));
if(!dissector_try_string(rtse_oid_dissector_table, oid, next_tvb, pinfo, tree)){
proto_item *item=NULL;
proto_tree *next_tree=NULL;
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);
if(item){
next_tree=proto_item_add_subtree(item, ett_rtse_unknown);
}
dissect_unknown_ber(pinfo, next_tvb, offset, next_tree);
}
/*XXX until we change the #.REGISTER signature for _PDU()s
* into new_dissector_t we have to do this kludge with
* manually step past the content in the ANY type.
*/
offset+=tvb_length_remaining(tvb, offset);
return offset;
}
static int
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_)
{
const char *oid = NULL;
if (actx->external.indirect_ref_present) {
oid = (const char *)find_oid_by_pres_ctx_id(actx->pinfo, actx->external.indirect_reference);
} else if (actx->external.direct_ref_present) {
oid = actx->external.direct_reference;
}
if (oid)
offset = call_rtse_oid_callback(oid, tvb, offset, actx->pinfo, top_tree ? top_tree : tree);
return offset;
}
/*--- Included file: packet-rtse-fn.c ---*/
#line 1 "packet-rtse-fn.c"
static int
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_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static const value_string rtse_T_dialogueMode_vals[] = {
{ 0, "monologue" },
{ 1, "twa" },
{ 0, NULL }
};
static int
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_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
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_) {
#line 52 "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) {
offset = call_rtse_oid_callback(oid, tvb, offset, actx->pinfo, top_tree ? top_tree : tree);
}
/* else XXX: need to flag we can't find the presentation context */
return offset;
}
static int
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_) {
#line 107 "rtse.cnf"
tvbuff_t *string = NULL;
offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_TeletexString,
actx, tree, tvb, offset, hf_index,
&string);
if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
return offset;
}
static int
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_) {
#line 123 "rtse.cnf"
tvbuff_t *string = NULL;
offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
&string);
if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
return offset;
}
static const value_string rtse_CallingSSuserReference_vals[] = {
{ 0, "t61String" },
{ 1, "octetString" },
{ 0, NULL }
};
static const ber_choice_t CallingSSuserReference_choice[] = {
{ 0, &hf_rtse_t61String , BER_CLASS_UNI, BER_UNI_TAG_TeletexString, BER_FLAGS_NOOWNTAG, dissect_rtse_T_t61String },
{ 1, &hf_rtse_octetString , BER_CLASS_UNI, BER_UNI_TAG_OCTETSTRING, BER_FLAGS_NOOWNTAG, dissect_rtse_T_octetString },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
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_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
CallingSSuserReference_choice, hf_index, ett_rtse_CallingSSuserReference,
NULL);
return offset;
}
static int
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_) {
#line 115 "rtse.cnf"
tvbuff_t *string = NULL;
offset = dissect_ber_UTCTime(implicit_tag, actx, tree, tvb, offset, hf_index);
if(open_request && string && check_col(actx->pinfo->cinfo, COL_INFO))
col_append_fstr(actx->pinfo->cinfo, COL_INFO, " %s", tvb_format_text(string, 0, tvb_length(string)));
return offset;
}
static int
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_) {
offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_TeletexString,
actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static const ber_sequence_t SessionConnectionIdentifier_sequence[] = {
{ &hf_rtse_callingSSuserReference, BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_rtse_CallingSSuserReference },
{ &hf_rtse_commonReference, BER_CLASS_UNI, BER_UNI_TAG_UTCTime, BER_FLAGS_NOOWNTAG, dissect_rtse_CommonReference },
{ &hf_rtse_additionalReferenceInformation, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_rtse_AdditionalReferenceInformation },
{ NULL, 0, 0, 0, NULL }
};
static int
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_) {
#line 100 "rtse.cnf"
if(open_request && check_col(actx->pinfo->cinfo, COL_INFO))
col_append_str(actx->pinfo->cinfo, COL_INFO, "Recover");
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
SessionConnectionIdentifier_sequence, hf_index, ett_rtse_SessionConnectionIdentifier);
return offset;
}
static const value_string rtse_ConnectionData_vals[] = {
{ 0, "open" },
{ 1, "recover" },
{ 0, NULL }
};
static const ber_choice_t ConnectionData_choice[] = {
{ 0, &hf_rtse_open , BER_CLASS_CON, 0, 0, dissect_rtse_T_open },
{ 1, &hf_rtse_recover , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_rtse_SessionConnectionIdentifier },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
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_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
ConnectionData_choice, hf_index, ett_rtse_ConnectionData,
NULL);
return offset;
}
static const value_string rtse_T_applicationProtocol_vals[] = {
{ 12, "mts-transfer-protocol" },
{ 1, "mts-transfer-protocol-1984" },
{ 0, NULL }
};
static int
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_) {
#line 96 "rtse.cnf"
offset = dissect_ber_integer(TRUE, actx, tree, tvb, offset, hf_index, &app_proto);
return offset;
}
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 177 "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 335 "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 344 "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);
rtse_handle = find_dissector("rtse");
ros_handle = find_dissector("ros");
}
/*--- proto_reg_handoff_rtse --- */
void proto_reg_handoff_rtse(void) {
}
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