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wireshark/epan/dissectors/packet-idmp.c

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/* Do not modify this file. Changes will be overwritten. */
/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
/* packet-idmp.c */
/* asn2wrs.py -b -L -p idmp -c ./idmp.cnf -s ./packet-idmp-template -D . -O ../.. IDMProtocolSpecification.asn CommonProtocolSpecification.asn */
/* Input file: packet-idmp-template.c */
#line 1 "./asn1/idmp/packet-idmp-template.c"
/* packet-idmp.c
* Routines for X.519 Internet Directly Mapped Procotol (IDMP) packet dissection
* Graeme Lunt 2010
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/prefs.h>
#include <epan/reassemble.h>
#include <epan/conversation.h>
#include <epan/oids.h>
#include <epan/asn1.h>
#include <epan/ipproto.h>
#include <epan/strutil.h>
#include <wsutil/str_util.h>
#include "packet-tcp.h"
#include "packet-ber.h"
#include "packet-ros.h"
#include "packet-x509ce.h"
#define PNAME "X.519 Internet Directly Mapped Protocol"
#define PSNAME "IDMP"
#define PFNAME "idmp"
void proto_register_idmp(void);
void proto_reg_handoff_idm(void);
void register_idmp_protocol_info(const char *oid, const ros_info_t *rinfo, int proto _U_, const char *name);
static gboolean idmp_desegment = TRUE;
#define IDMP_TCP_PORT 1102 /* made up for now - not IANA registered */
static gboolean idmp_reassemble = TRUE;
static dissector_handle_t idmp_handle = NULL;
static proto_tree *top_tree = NULL;
static const char *protocolID = NULL;
static const char *saved_protocolID = NULL;
static guint32 opcode = -1;
/* Initialize the protocol and registered fields */
int proto_idmp = -1;
static int hf_idmp_version = -1;
static int hf_idmp_final = -1;
static int hf_idmp_length = -1;
static int hf_idmp_PDU = -1;
static reassembly_table idmp_reassembly_table;
static int hf_idmp_fragments = -1;
static int hf_idmp_fragment = -1;
static int hf_idmp_fragment_overlap = -1;
static int hf_idmp_fragment_overlap_conflicts = -1;
static int hf_idmp_fragment_multiple_tails = -1;
static int hf_idmp_fragment_too_long_fragment = -1;
static int hf_idmp_fragment_error = -1;
static int hf_idmp_fragment_count = -1;
static int hf_idmp_reassembled_in = -1;
static int hf_idmp_reassembled_length = -1;
static int hf_idmp_segment_data = -1;
static gint ett_idmp_fragment = -1;
static gint ett_idmp_fragments = -1;
static const fragment_items idmp_frag_items = {
/* Fragment subtrees */
&ett_idmp_fragment,
&ett_idmp_fragments,
/* Fragment fields */
&hf_idmp_fragments,
&hf_idmp_fragment,
&hf_idmp_fragment_overlap,
&hf_idmp_fragment_overlap_conflicts,
&hf_idmp_fragment_multiple_tails,
&hf_idmp_fragment_too_long_fragment,
&hf_idmp_fragment_error,
&hf_idmp_fragment_count,
/* Reassembled in field */
&hf_idmp_reassembled_in,
/* Reassembled length field */
&hf_idmp_reassembled_length,
/* Reassembled data field */
NULL,
/* Tag */
"IDMP fragments"
};
static int call_idmp_oid_callback(tvbuff_t *tvb, int offset, packet_info *pinfo, int op, proto_tree *tree, struct SESSION_DATA_STRUCTURE *session)
{
if(session != NULL) {
if((!saved_protocolID) && (op == (ROS_OP_BIND | ROS_OP_RESULT))) {
/* save for subsequent operations - should be into session data */
saved_protocolID = wmem_strdup(wmem_file_scope(), protocolID);
}
/* mimic ROS! */
session->ros_op = op;
offset = call_ros_oid_callback(saved_protocolID ? saved_protocolID : protocolID, tvb, offset, pinfo, tree, session);
}
return offset;
}
/*--- Included file: packet-idmp-hf.c ---*/
#line 1 "./asn1/idmp/packet-idmp-hf.c"
static int hf_idmp_bind = -1; /* IdmBind */
static int hf_idmp_bindResult = -1; /* IdmBindResult */
static int hf_idmp_bindError = -1; /* IdmBindError */
static int hf_idmp_request = -1; /* Request */
static int hf_idmp_idm_result = -1; /* IdmResult */
static int hf_idmp_idm_error = -1; /* Error */
static int hf_idmp_reject = -1; /* IdmReject */
static int hf_idmp_unbind = -1; /* Unbind */
static int hf_idmp_abort = -1; /* Abort */
static int hf_idmp_startTLS = -1; /* StartTLS */
static int hf_idmp_tLSResponse = -1; /* TLSResponse */
static int hf_idmp_protocolID = -1; /* OBJECT_IDENTIFIER */
static int hf_idmp_callingAETitle = -1; /* GeneralName */
static int hf_idmp_calledAETitle = -1; /* GeneralName */
static int hf_idmp_bind_argument = -1; /* Bind_argument */
static int hf_idmp_respondingAETitle = -1; /* GeneralName */
static int hf_idmp_bind_result = -1; /* Bind_result */
static int hf_idmp_bind_errcode = -1; /* Bind_errcode */
static int hf_idmp_aETitleError = -1; /* T_aETitleError */
static int hf_idmp_bind_error = -1; /* Bind_error */
static int hf_idmp_invokeID = -1; /* INTEGER */
static int hf_idmp_opcode = -1; /* Code */
static int hf_idmp_argument = -1; /* T_argument */
static int hf_idmp_idm_invokeID = -1; /* InvokeId */
static int hf_idmp_result = -1; /* T_result */
static int hf_idmp_errcode = -1; /* T_errcode */
static int hf_idmp_error = -1; /* T_error */
static int hf_idmp_reason = -1; /* T_reason */
static int hf_idmp_local = -1; /* T_local */
static int hf_idmp_global = -1; /* OBJECT_IDENTIFIER */
static int hf_idmp_present = -1; /* INTEGER */
static int hf_idmp_absent = -1; /* NULL */
/*--- End of included file: packet-idmp-hf.c ---*/
#line 118 "./asn1/idmp/packet-idmp-template.c"
/* Initialize the subtree pointers */
static gint ett_idmp = -1;
/*--- Included file: packet-idmp-ett.c ---*/
#line 1 "./asn1/idmp/packet-idmp-ett.c"
static gint ett_idmp_IDM_PDU = -1;
static gint ett_idmp_IdmBind = -1;
static gint ett_idmp_IdmBindResult = -1;
static gint ett_idmp_IdmBindError = -1;
static gint ett_idmp_Request = -1;
static gint ett_idmp_IdmResult = -1;
static gint ett_idmp_Error = -1;
static gint ett_idmp_IdmReject = -1;
static gint ett_idmp_Code = -1;
static gint ett_idmp_InvokeId = -1;
/*--- End of included file: packet-idmp-ett.c ---*/
#line 122 "./asn1/idmp/packet-idmp-template.c"
/*--- Included file: packet-idmp-fn.c ---*/
#line 1 "./asn1/idmp/packet-idmp-fn.c"
static int
dissect_idmp_OBJECT_IDENTIFIER(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &protocolID);
return offset;
}
static int
dissect_idmp_Bind_argument(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
struct SESSION_DATA_STRUCTURE *session = (struct SESSION_DATA_STRUCTURE*)actx->private_data;
return call_idmp_oid_callback(tvb, offset, actx->pinfo, (ROS_OP_BIND | ROS_OP_ARGUMENT), top_tree, session);
return offset;
}
static const ber_sequence_t IdmBind_sequence[] = {
{ &hf_idmp_protocolID , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_idmp_OBJECT_IDENTIFIER },
{ &hf_idmp_callingAETitle , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL, dissect_x509ce_GeneralName },
{ &hf_idmp_calledAETitle , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_x509ce_GeneralName },
{ &hf_idmp_bind_argument , BER_CLASS_CON, 2, 0, dissect_idmp_Bind_argument },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IdmBind(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_sequence(implicit_tag, actx, tree, tvb, offset,
IdmBind_sequence, hf_index, ett_idmp_IdmBind);
return offset;
}
static int
dissect_idmp_Bind_result(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
struct SESSION_DATA_STRUCTURE *session = (struct SESSION_DATA_STRUCTURE*)actx->private_data;
return call_idmp_oid_callback(tvb, offset, actx->pinfo, (ROS_OP_BIND | ROS_OP_RESULT), top_tree, session);
return offset;
}
static const ber_sequence_t IdmBindResult_sequence[] = {
{ &hf_idmp_protocolID , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_idmp_OBJECT_IDENTIFIER },
{ &hf_idmp_respondingAETitle, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL, dissect_x509ce_GeneralName },
{ &hf_idmp_bind_result , BER_CLASS_CON, 1, 0, dissect_idmp_Bind_result },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IdmBindResult(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_sequence(implicit_tag, actx, tree, tvb, offset,
IdmBindResult_sequence, hf_index, ett_idmp_IdmBindResult);
return offset;
}
static int
dissect_idmp_Bind_errcode(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
return offset;
}
static const value_string idmp_T_aETitleError_vals[] = {
{ 0, "callingAETitleNotAccepted" },
{ 1, "calledAETitleNotRecognized" },
{ 0, NULL }
};
static int
dissect_idmp_T_aETitleError(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_idmp_Bind_error(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
struct SESSION_DATA_STRUCTURE *session = (struct SESSION_DATA_STRUCTURE*)actx->private_data;
return call_idmp_oid_callback(tvb, offset, actx->pinfo, (ROS_OP_BIND| ROS_OP_ERROR), top_tree, session);
return offset;
}
static const ber_sequence_t IdmBindError_sequence[] = {
{ &hf_idmp_protocolID , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_idmp_OBJECT_IDENTIFIER },
{ &hf_idmp_bind_errcode , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_idmp_Bind_errcode },
{ &hf_idmp_respondingAETitle, BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL, dissect_x509ce_GeneralName },
{ &hf_idmp_aETitleError , BER_CLASS_UNI, BER_UNI_TAG_ENUMERATED, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_idmp_T_aETitleError },
{ &hf_idmp_bind_error , BER_CLASS_CON, 1, 0, dissect_idmp_Bind_error },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IdmBindError(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_sequence(implicit_tag, actx, tree, tvb, offset,
IdmBindError_sequence, hf_index, ett_idmp_IdmBindError);
return offset;
}
static int
dissect_idmp_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 int
dissect_idmp_T_local(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,
&opcode);
return offset;
}
static const value_string idmp_Code_vals[] = {
{ 0, "local" },
{ 1, "global" },
{ 0, NULL }
};
static const ber_choice_t Code_choice[] = {
{ 0, &hf_idmp_local , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_idmp_T_local },
{ 1, &hf_idmp_global , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_idmp_OBJECT_IDENTIFIER },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_Code(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,
Code_choice, hf_index, ett_idmp_Code,
NULL);
return offset;
}
static int
dissect_idmp_T_argument(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
struct SESSION_DATA_STRUCTURE *session = (struct SESSION_DATA_STRUCTURE*)actx->private_data;
return call_idmp_oid_callback(tvb, offset, actx->pinfo, (ROS_OP_INVOKE | ROS_OP_ARGUMENT | opcode), top_tree, session);
return offset;
}
static const ber_sequence_t Request_sequence[] = {
{ &hf_idmp_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_idmp_INTEGER },
{ &hf_idmp_opcode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_idmp_Code },
{ &hf_idmp_argument , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_idmp_T_argument },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_Request(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_sequence(implicit_tag, actx, tree, tvb, offset,
Request_sequence, hf_index, ett_idmp_Request);
return offset;
}
static int
dissect_idmp_NULL(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_null(implicit_tag, actx, tree, tvb, offset, hf_index);
return offset;
}
static const value_string idmp_InvokeId_vals[] = {
{ 0, "present" },
{ 1, "absent" },
{ 0, NULL }
};
static const ber_choice_t InvokeId_choice[] = {
{ 0, &hf_idmp_present , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_idmp_INTEGER },
{ 1, &hf_idmp_absent , BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_idmp_NULL },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_InvokeId(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,
InvokeId_choice, hf_index, ett_idmp_InvokeId,
NULL);
return offset;
}
static int
dissect_idmp_T_result(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
struct SESSION_DATA_STRUCTURE *session = (struct SESSION_DATA_STRUCTURE*)actx->private_data;
return call_idmp_oid_callback(tvb, offset, actx->pinfo, (ROS_OP_INVOKE | ROS_OP_RESULT | opcode), top_tree, session);
return offset;
}
static const ber_sequence_t IdmResult_sequence[] = {
{ &hf_idmp_idm_invokeID , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_idmp_InvokeId },
{ &hf_idmp_opcode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_idmp_Code },
{ &hf_idmp_result , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_idmp_T_result },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IdmResult(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_sequence(implicit_tag, actx, tree, tvb, offset,
IdmResult_sequence, hf_index, ett_idmp_IdmResult);
return offset;
}
static int
dissect_idmp_T_errcode(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
return offset;
}
static int
dissect_idmp_T_error(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
return offset;
}
static const ber_sequence_t Error_sequence[] = {
{ &hf_idmp_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_idmp_INTEGER },
{ &hf_idmp_errcode , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_idmp_T_errcode },
{ &hf_idmp_error , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_idmp_T_error },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_Error(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_sequence(implicit_tag, actx, tree, tvb, offset,
Error_sequence, hf_index, ett_idmp_Error);
return offset;
}
static const value_string idmp_T_reason_vals[] = {
{ 0, "mistypedPDU" },
{ 1, "duplicateInvokeIDRequest" },
{ 2, "unsupportedOperationRequest" },
{ 3, "unknownOperationRequest" },
{ 4, "mistypedArgumentRequest" },
{ 5, "resourceLimitationRequest" },
{ 6, "unknownInvokeIDResult" },
{ 7, "mistypedResultRequest" },
{ 8, "unknownInvokeIDError" },
{ 9, "unknownError" },
{ 10, "mistypedParameterError" },
{ 0, NULL }
};
static int
dissect_idmp_T_reason(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 ber_sequence_t IdmReject_sequence[] = {
{ &hf_idmp_invokeID , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_idmp_INTEGER },
{ &hf_idmp_reason , BER_CLASS_UNI, BER_UNI_TAG_ENUMERATED, BER_FLAGS_NOOWNTAG, dissect_idmp_T_reason },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IdmReject(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_sequence(implicit_tag, actx, tree, tvb, offset,
IdmReject_sequence, hf_index, ett_idmp_IdmReject);
return offset;
}
static int
dissect_idmp_Unbind(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_null(implicit_tag, actx, tree, tvb, offset, hf_index);
return offset;
}
static const value_string idmp_Abort_vals[] = {
{ 0, "mistypedPDU" },
{ 1, "unboundRequest" },
{ 2, "invalidPDU" },
{ 3, "resourceLimitation" },
{ 4, "connectionFailed" },
{ 5, "invalidProtocol" },
{ 6, "reasonNotSpecified" },
{ 0, NULL }
};
static int
dissect_idmp_Abort(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_idmp_StartTLS(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_null(implicit_tag, actx, tree, tvb, offset, hf_index);
return offset;
}
static const value_string idmp_TLSResponse_vals[] = {
{ 0, "success" },
{ 1, "operationsError" },
{ 2, "protocolError" },
{ 3, "unavailable" },
{ 0, NULL }
};
static int
dissect_idmp_TLSResponse(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 idmp_IDM_PDU_vals[] = {
{ 0, "bind" },
{ 1, "bindResult" },
{ 2, "bindError" },
{ 3, "request" },
{ 4, "result" },
{ 5, "error" },
{ 6, "reject" },
{ 7, "unbind" },
{ 8, "abort" },
{ 9, "startTLS" },
{ 10, "tLSResponse" },
{ 0, NULL }
};
static const ber_choice_t IDM_PDU_choice[] = {
{ 0, &hf_idmp_bind , BER_CLASS_CON, 0, 0, dissect_idmp_IdmBind },
{ 1, &hf_idmp_bindResult , BER_CLASS_CON, 1, 0, dissect_idmp_IdmBindResult },
{ 2, &hf_idmp_bindError , BER_CLASS_CON, 2, 0, dissect_idmp_IdmBindError },
{ 3, &hf_idmp_request , BER_CLASS_CON, 3, 0, dissect_idmp_Request },
{ 4, &hf_idmp_idm_result , BER_CLASS_CON, 4, 0, dissect_idmp_IdmResult },
{ 5, &hf_idmp_idm_error , BER_CLASS_CON, 5, 0, dissect_idmp_Error },
{ 6, &hf_idmp_reject , BER_CLASS_CON, 6, 0, dissect_idmp_IdmReject },
{ 7, &hf_idmp_unbind , BER_CLASS_CON, 7, 0, dissect_idmp_Unbind },
{ 8, &hf_idmp_abort , BER_CLASS_CON, 8, 0, dissect_idmp_Abort },
{ 9, &hf_idmp_startTLS , BER_CLASS_CON, 9, 0, dissect_idmp_StartTLS },
{ 10, &hf_idmp_tLSResponse , BER_CLASS_CON, 10, 0, dissect_idmp_TLSResponse },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_idmp_IDM_PDU(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,
IDM_PDU_choice, hf_index, ett_idmp_IDM_PDU,
NULL);
return offset;
}
/*--- End of included file: packet-idmp-fn.c ---*/
#line 124 "./asn1/idmp/packet-idmp-template.c"
void
register_idmp_protocol_info(const char *oid, const ros_info_t *rinfo, int proto _U_, const char *name)
{
/* just register with ROS for now */
register_ros_protocol_info(oid, rinfo, proto, name, FALSE);
}
static int dissect_idmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
{
int offset = 0;
proto_item *item;
proto_tree *tree;
asn1_ctx_t asn1_ctx;
struct SESSION_DATA_STRUCTURE session;
gboolean idmp_final;
guint32 idmp_length;
fragment_head *fd_head;
conversation_t *conv;
guint32 dst_ref = 0;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
conv = find_conversation_pinfo(pinfo, 0);
if (conv) {
/* Found a conversation, also use index for the generated dst_ref */
dst_ref = conv->conv_index;
}
/* save parent_tree so subdissectors can create new top nodes */
top_tree=parent_tree;
item = proto_tree_add_item(parent_tree, proto_idmp, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_idmp);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "IDMP");
/* now check the segment fields */
proto_tree_add_item(tree, hf_idmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); offset++;
proto_tree_add_item(tree, hf_idmp_final, tvb, offset, 1, ENC_BIG_ENDIAN);
idmp_final = tvb_get_guint8(tvb, offset); offset++;
proto_tree_add_item(tree, hf_idmp_length, tvb, offset, 4, ENC_BIG_ENDIAN);
idmp_length = tvb_get_ntohl(tvb, offset); offset += 4;
asn1_ctx.private_data = &session;
if(idmp_reassemble) {
pinfo->fragmented = !idmp_final;
col_append_fstr(pinfo->cinfo, COL_INFO, " [%sIDMP fragment, %u byte%s]",
idmp_final ? "Final " : "" ,
idmp_length, plurality(idmp_length, "", "s"));
fd_head = fragment_add_seq_next(&idmp_reassembly_table, tvb, offset,
pinfo, dst_ref, NULL,
idmp_length, !idmp_final);
if(fd_head && fd_head->next) {
proto_tree_add_item(tree, hf_idmp_segment_data, tvb, offset, (idmp_length) ? -1 : 0, ENC_NA);
if (idmp_final) {
/* This is the last segment */
tvb = process_reassembled_data (tvb, offset, pinfo,
"Reassembled IDMP", fd_head, &idmp_frag_items, NULL, tree);
offset = 0;
} else if (pinfo->num != fd_head->reassembled_in) {
/* Add a "Reassembled in" link if not reassembled in this frame */
proto_tree_add_uint (tree, hf_idmp_reassembled_in,
tvb, 0, 0, fd_head->reassembled_in);
}
}
} else {
if(!idmp_final) {
col_append_fstr(pinfo->cinfo, COL_INFO, " [IDMP fragment, %u byte%s, IDMP reassembly not enabled]",
idmp_length, plurality(idmp_length, "", "s"));
proto_tree_add_bytes_format_value(tree, hf_idmp_segment_data, tvb, offset, (idmp_length) ? -1 : 0,
NULL, "(IDMP reassembly not enabled)");
}
}
/* not reassembling - just dissect */
if(idmp_final) {
asn1_ctx.private_data = &session;
dissect_idmp_IDM_PDU(FALSE, tvb, offset, &asn1_ctx, tree, hf_idmp_PDU);
}
return tvb_captured_length(tvb);
}
static guint get_idmp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb,
int offset, void *data _U_)
{
guint32 len;
len = tvb_get_ntohl(tvb, offset + 2);
return len + 6;
}
static int dissect_idmp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data)
{
tcp_dissect_pdus(tvb, pinfo, parent_tree, idmp_desegment, 0, get_idmp_pdu_len, dissect_idmp, data);
return tvb_captured_length(tvb);
}
static void idmp_reassemble_cleanup(void)
{
protocolID = NULL;
saved_protocolID = NULL;
opcode = -1;
}
/*--- proto_register_idmp -------------------------------------------*/
void proto_register_idmp(void)
{
/* List of fields */
static hf_register_info hf[] = {
{ &hf_idmp_version,
{ "version", "idmp.version",
FT_INT8, BASE_DEC, NULL, 0,
"idmp.INTEGER", HFILL }},
{ &hf_idmp_final,
{ "final", "idmp.final",
FT_BOOLEAN, BASE_NONE, NULL, 0,
"idmp.BOOLEAN", HFILL }},
{ &hf_idmp_length,
{ "length", "idmp.length",
FT_INT32, BASE_DEC, NULL, 0,
"idmp.INTEGER", HFILL }},
{ &hf_idmp_PDU,
{ "IDM-PDU", "idmp.pdu",
FT_UINT32, BASE_DEC, VALS(idmp_IDM_PDU_vals), 0,
"idmp.PDU", HFILL }},
/* Fragment entries */
{ &hf_idmp_fragments,
{ "IDMP fragments", "idmp.fragments", FT_NONE, BASE_NONE,
NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment,
{ "IDMP fragment", "idmp.fragment", FT_FRAMENUM, BASE_NONE,
NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_overlap,
{ "IDMP fragment overlap", "idmp.fragment.overlap", FT_BOOLEAN,
BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_overlap_conflicts,
{ "IDMP fragment overlapping with conflicting data",
"idmp.fragment.overlap.conflicts", FT_BOOLEAN, BASE_NONE,
NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_multiple_tails,
{ "IDMP has multiple tail fragments",
"idmp.fragment.multiple_tails", FT_BOOLEAN, BASE_NONE,
NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_too_long_fragment,
{ "IDMP fragment too long", "idmp.fragment.too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_error,
{ "IDMP defragmentation error", "idmp.fragment.error", FT_FRAMENUM,
BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_fragment_count,
{ "IDMP fragment count", "idmp.fragment.count", FT_UINT32, BASE_DEC,
NULL, 0x00, NULL, HFILL } },
{ &hf_idmp_reassembled_in,
{ "Reassembled IDMP in frame", "idmp.reassembled.in", FT_FRAMENUM, BASE_NONE,
NULL, 0x00, "This IDMP packet is reassembled in this frame", HFILL } },
{ &hf_idmp_reassembled_length,
{ "Reassembled IDMP length", "idmp.reassembled.length", FT_UINT32, BASE_DEC,
NULL, 0x00, "The total length of the reassembled payload", HFILL } },
{ &hf_idmp_segment_data,
{ "IDMP segment data", "idmp.segment_data", FT_BYTES, BASE_NONE,
NULL, 0x00, NULL, HFILL } },
/*--- Included file: packet-idmp-hfarr.c ---*/
#line 1 "./asn1/idmp/packet-idmp-hfarr.c"
{ &hf_idmp_bind,
{ "bind", "idmp.bind_element",
FT_NONE, BASE_NONE, NULL, 0,
"IdmBind", HFILL }},
{ &hf_idmp_bindResult,
{ "bindResult", "idmp.bindResult_element",
FT_NONE, BASE_NONE, NULL, 0,
"IdmBindResult", HFILL }},
{ &hf_idmp_bindError,
{ "bindError", "idmp.bindError_element",
FT_NONE, BASE_NONE, NULL, 0,
"IdmBindError", HFILL }},
{ &hf_idmp_request,
{ "request", "idmp.request_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_idm_result,
{ "result", "idmp.result_element",
FT_NONE, BASE_NONE, NULL, 0,
"IdmResult", HFILL }},
{ &hf_idmp_idm_error,
{ "error", "idmp.error_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_reject,
{ "reject", "idmp.reject_element",
FT_NONE, BASE_NONE, NULL, 0,
"IdmReject", HFILL }},
{ &hf_idmp_unbind,
{ "unbind", "idmp.unbind_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_abort,
{ "abort", "idmp.abort",
FT_UINT32, BASE_DEC, VALS(idmp_Abort_vals), 0,
NULL, HFILL }},
{ &hf_idmp_startTLS,
{ "startTLS", "idmp.startTLS_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_tLSResponse,
{ "tLSResponse", "idmp.tLSResponse",
FT_UINT32, BASE_DEC, VALS(idmp_TLSResponse_vals), 0,
NULL, HFILL }},
{ &hf_idmp_protocolID,
{ "protocolID", "idmp.protocolID",
FT_OID, BASE_NONE, NULL, 0,
"OBJECT_IDENTIFIER", HFILL }},
{ &hf_idmp_callingAETitle,
{ "callingAETitle", "idmp.callingAETitle",
FT_UINT32, BASE_DEC, VALS(x509ce_GeneralName_vals), 0,
"GeneralName", HFILL }},
{ &hf_idmp_calledAETitle,
{ "calledAETitle", "idmp.calledAETitle",
FT_UINT32, BASE_DEC, VALS(x509ce_GeneralName_vals), 0,
"GeneralName", HFILL }},
{ &hf_idmp_bind_argument,
{ "argument", "idmp.argument_element",
FT_NONE, BASE_NONE, NULL, 0,
"Bind_argument", HFILL }},
{ &hf_idmp_respondingAETitle,
{ "respondingAETitle", "idmp.respondingAETitle",
FT_UINT32, BASE_DEC, VALS(x509ce_GeneralName_vals), 0,
"GeneralName", HFILL }},
{ &hf_idmp_bind_result,
{ "result", "idmp.result_element",
FT_NONE, BASE_NONE, NULL, 0,
"Bind_result", HFILL }},
{ &hf_idmp_bind_errcode,
{ "errcode", "idmp.errcode_element",
FT_NONE, BASE_NONE, NULL, 0,
"Bind_errcode", HFILL }},
{ &hf_idmp_aETitleError,
{ "aETitleError", "idmp.aETitleError",
FT_UINT32, BASE_DEC, VALS(idmp_T_aETitleError_vals), 0,
NULL, HFILL }},
{ &hf_idmp_bind_error,
{ "error", "idmp.error_element",
FT_NONE, BASE_NONE, NULL, 0,
"Bind_error", HFILL }},
{ &hf_idmp_invokeID,
{ "invokeID", "idmp.invokeID",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_idmp_opcode,
{ "opcode", "idmp.opcode",
FT_UINT32, BASE_DEC, VALS(idmp_Code_vals), 0,
"Code", HFILL }},
{ &hf_idmp_argument,
{ "argument", "idmp.argument_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_idm_invokeID,
{ "invokeID", "idmp.invokeID",
FT_UINT32, BASE_DEC, VALS(idmp_InvokeId_vals), 0,
NULL, HFILL }},
{ &hf_idmp_result,
{ "result", "idmp.result_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_errcode,
{ "errcode", "idmp.errcode_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_error,
{ "error", "idmp.error_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_reason,
{ "reason", "idmp.reason",
FT_UINT32, BASE_DEC, VALS(idmp_T_reason_vals), 0,
NULL, HFILL }},
{ &hf_idmp_local,
{ "local", "idmp.local",
FT_INT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_idmp_global,
{ "global", "idmp.global",
FT_OID, BASE_NONE, NULL, 0,
"OBJECT_IDENTIFIER", HFILL }},
{ &hf_idmp_present,
{ "present", "idmp.present",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_idmp_absent,
{ "absent", "idmp.absent_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
/*--- End of included file: packet-idmp-hfarr.c ---*/
#line 301 "./asn1/idmp/packet-idmp-template.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_idmp,
&ett_idmp_fragment,
&ett_idmp_fragments,
/*--- Included file: packet-idmp-ettarr.c ---*/
#line 1 "./asn1/idmp/packet-idmp-ettarr.c"
&ett_idmp_IDM_PDU,
&ett_idmp_IdmBind,
&ett_idmp_IdmBindResult,
&ett_idmp_IdmBindError,
&ett_idmp_Request,
&ett_idmp_IdmResult,
&ett_idmp_Error,
&ett_idmp_IdmReject,
&ett_idmp_Code,
&ett_idmp_InvokeId,
/*--- End of included file: packet-idmp-ettarr.c ---*/
#line 309 "./asn1/idmp/packet-idmp-template.c"
};
module_t *idmp_module;
/* Register protocol */
proto_idmp = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_idmp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
idmp_handle = register_dissector("idmp", dissect_idmp_tcp, proto_idmp);
register_cleanup_routine (&idmp_reassemble_cleanup);
reassembly_table_register (&idmp_reassembly_table,
&addresses_reassembly_table_functions);
/* Register our configuration options for IDMP, particularly our port */
idmp_module = prefs_register_protocol_subtree("OSI/X.500", proto_idmp, NULL);
prefs_register_bool_preference(idmp_module, "desegment_idmp_messages",
"Reassemble IDMP messages spanning multiple TCP segments",
"Whether the IDMP dissector should reassemble messages spanning multiple TCP segments."
" To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
&idmp_desegment);
prefs_register_bool_preference(idmp_module, "reassemble",
"Reassemble segmented IDMP datagrams",
"Whether segmented IDMP datagrams should be reassembled."
" To use this option, you must also enable"
" \"Allow subdissectors to reassemble TCP streams\""
" in the TCP protocol settings.", &idmp_reassemble);
}
/*--- proto_reg_handoff_idm --- */
void proto_reg_handoff_idm(void) {
dissector_add_uint_with_preference("tcp.port", IDMP_TCP_PORT, idmp_handle);
}
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