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packet-goose.c
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packet-goose.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-goose.c */
/* ../../tools/asn2wrs.py -b -p goose -c ./goose.cnf -s ./packet-goose-template -D . -O ../../epan/dissectors goose.asn */
/* Input file: packet-goose-template.c */
#line 1 "../../asn1/goose/packet-goose-template.c"
/* packet-goose.c
* Routines for IEC 61850 GOOSE packet dissection
* Martin Lutz 2008
*
* $Id$
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib.h>
#include <epan/packet.h>
#include <epan/asn1.h>
#include <epan/etypes.h>
#include <epan/expert.h>
#include "packet-ber.h"
#include "packet-acse.h"
#define PNAME "GOOSE"
#define PSNAME "GOOSE"
#define PFNAME "goose"
/* Initialize the protocol and registered fields */
static int proto_goose = -1;
static int hf_goose_appid = -1;
static int hf_goose_length = -1;
static int hf_goose_reserve1 = -1;
static int hf_goose_reserve2 = -1;
static expert_field ei_goose_mal_utctime = EI_INIT;
/*--- Included file: packet-goose-hf.c ---*/
#line 1 "../../asn1/goose/packet-goose-hf.c"
static int hf_goose_gseMngtPdu = -1; /* GSEMngtPdu */
static int hf_goose_goosePdu = -1; /* IECGoosePdu */
static int hf_goose_stateID = -1; /* INTEGER */
static int hf_goose_requestResp = -1; /* RequestResponse */
static int hf_goose_requests = -1; /* GSEMngtRequests */
static int hf_goose_responses = -1; /* GSEMngtResponses */
static int hf_goose_getGoReference = -1; /* GetReferenceRequestPdu */
static int hf_goose_getGOOSEElementNumber = -1; /* GetElementRequestPdu */
static int hf_goose_getGsReference = -1; /* GetReferenceRequestPdu */
static int hf_goose_getGSSEDataOffset = -1; /* GetElementRequestPdu */
static int hf_goose_gseMngtNotSupported = -1; /* NULL */
static int hf_goose_gseMngtResponses_GetGOReference = -1; /* GSEMngtResponsePdu */
static int hf_goose_gseMngtResponses_GetGOOSEElementNumber = -1; /* GSEMngtResponsePdu */
static int hf_goose_gseMngtResponses_GetGSReference = -1; /* GSEMngtResponsePdu */
static int hf_goose_gseMngtResponses_GetGSSEDataOffset = -1; /* GSEMngtResponsePdu */
static int hf_goose_ident = -1; /* VisibleString */
static int hf_goose_getReferenceRequestPDU_offset = -1; /* T_getReferenceRequestPDU_offset */
static int hf_goose_getReferenceRequestPDU_offset_item = -1; /* INTEGER */
static int hf_goose_references = -1; /* T_references */
static int hf_goose_references_item = -1; /* VisibleString */
static int hf_goose_confRev = -1; /* INTEGER */
static int hf_goose_posNeg = -1; /* PositiveNegative */
static int hf_goose_responsePositive = -1; /* T_responsePositive */
static int hf_goose_datSet = -1; /* VisibleString */
static int hf_goose_result = -1; /* SEQUENCE_OF_RequestResults */
static int hf_goose_result_item = -1; /* RequestResults */
static int hf_goose_responseNegative = -1; /* GlbErrors */
static int hf_goose_offset = -1; /* INTEGER */
static int hf_goose_reference = -1; /* IA5String */
static int hf_goose_error = -1; /* ErrorReason */
static int hf_goose_gocbRef = -1; /* VisibleString */
static int hf_goose_timeAllowedtoLive = -1; /* INTEGER */
static int hf_goose_goID = -1; /* VisibleString */
static int hf_goose_t = -1; /* UtcTime */
static int hf_goose_stNum = -1; /* INTEGER */
static int hf_goose_sqNum = -1; /* INTEGER */
static int hf_goose_test = -1; /* BOOLEAN */
static int hf_goose_ndsCom = -1; /* BOOLEAN */
static int hf_goose_numDatSetEntries = -1; /* INTEGER */
static int hf_goose_allData = -1; /* SEQUENCE_OF_Data */
static int hf_goose_allData_item = -1; /* Data */
static int hf_goose_array = -1; /* SEQUENCE_OF_Data */
static int hf_goose_array_item = -1; /* Data */
static int hf_goose_structure = -1; /* SEQUENCE_OF_Data */
static int hf_goose_structure_item = -1; /* Data */
static int hf_goose_boolean = -1; /* BOOLEAN */
static int hf_goose_bit_string = -1; /* BIT_STRING */
static int hf_goose_integer = -1; /* INTEGER */
static int hf_goose_unsigned = -1; /* INTEGER */
static int hf_goose_floating_point = -1; /* FloatingPoint */
static int hf_goose_real = -1; /* REAL */
static int hf_goose_octet_string = -1; /* OCTET_STRING */
static int hf_goose_visible_string = -1; /* VisibleString */
static int hf_goose_binary_time = -1; /* TimeOfDay */
static int hf_goose_bcd = -1; /* INTEGER */
static int hf_goose_booleanArray = -1; /* BIT_STRING */
static int hf_goose_objId = -1; /* OBJECT_IDENTIFIER */
static int hf_goose_mMSString = -1; /* MMSString */
static int hf_goose_utc_time = -1; /* UtcTime */
/*--- End of included file: packet-goose-hf.c ---*/
#line 51 "../../asn1/goose/packet-goose-template.c"
/* Initialize the subtree pointers */
static int ett_goose = -1;
/*--- Included file: packet-goose-ett.c ---*/
#line 1 "../../asn1/goose/packet-goose-ett.c"
static gint ett_goose_GOOSEpdu = -1;
static gint ett_goose_GSEMngtPdu = -1;
static gint ett_goose_RequestResponse = -1;
static gint ett_goose_GSEMngtRequests = -1;
static gint ett_goose_GSEMngtResponses = -1;
static gint ett_goose_GetReferenceRequestPdu = -1;
static gint ett_goose_T_getReferenceRequestPDU_offset = -1;
static gint ett_goose_GetElementRequestPdu = -1;
static gint ett_goose_T_references = -1;
static gint ett_goose_GSEMngtResponsePdu = -1;
static gint ett_goose_PositiveNegative = -1;
static gint ett_goose_T_responsePositive = -1;
static gint ett_goose_SEQUENCE_OF_RequestResults = -1;
static gint ett_goose_RequestResults = -1;
static gint ett_goose_IECGoosePdu = -1;
static gint ett_goose_SEQUENCE_OF_Data = -1;
static gint ett_goose_Data = -1;
/*--- End of included file: packet-goose-ett.c ---*/
#line 56 "../../asn1/goose/packet-goose-template.c"
/*--- Included file: packet-goose-fn.c ---*/
#line 1 "../../asn1/goose/packet-goose-fn.c"
/*--- Cyclic dependencies ---*/
/* Data -> Data/array -> Data */
static int dissect_goose_Data(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_);
static int
dissect_goose_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_goose_VisibleString(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_VisibleString,
actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static const ber_sequence_t T_getReferenceRequestPDU_offset_sequence_of[1] = {
{ &hf_goose_getReferenceRequestPDU_offset_item, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_goose_INTEGER },
};
static int
dissect_goose_T_getReferenceRequestPDU_offset(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_of(implicit_tag, actx, tree, tvb, offset,
T_getReferenceRequestPDU_offset_sequence_of, hf_index, ett_goose_T_getReferenceRequestPDU_offset);
return offset;
}
static const ber_sequence_t GetReferenceRequestPdu_sequence[] = {
{ &hf_goose_ident , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_getReferenceRequestPDU_offset, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_T_getReferenceRequestPDU_offset },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GetReferenceRequestPdu(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,
GetReferenceRequestPdu_sequence, hf_index, ett_goose_GetReferenceRequestPdu);
return offset;
}
static const ber_sequence_t T_references_sequence_of[1] = {
{ &hf_goose_references_item, BER_CLASS_UNI, BER_UNI_TAG_VisibleString, BER_FLAGS_NOOWNTAG, dissect_goose_VisibleString },
};
static int
dissect_goose_T_references(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_of(implicit_tag, actx, tree, tvb, offset,
T_references_sequence_of, hf_index, ett_goose_T_references);
return offset;
}
static const ber_sequence_t GetElementRequestPdu_sequence[] = {
{ &hf_goose_ident , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_references , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_T_references },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GetElementRequestPdu(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,
GetElementRequestPdu_sequence, hf_index, ett_goose_GetElementRequestPdu);
return offset;
}
static const value_string goose_GSEMngtRequests_vals[] = {
{ 1, "getGoReference" },
{ 2, "getGOOSEElementNumber" },
{ 3, "getGsReference" },
{ 4, "getGSSEDataOffset" },
{ 0, NULL }
};
static const ber_choice_t GSEMngtRequests_choice[] = {
{ 1, &hf_goose_getGoReference, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_GetReferenceRequestPdu },
{ 2, &hf_goose_getGOOSEElementNumber, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_GetElementRequestPdu },
{ 3, &hf_goose_getGsReference, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_goose_GetReferenceRequestPdu },
{ 4, &hf_goose_getGSSEDataOffset, BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_goose_GetElementRequestPdu },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GSEMngtRequests(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,
GSEMngtRequests_choice, hf_index, ett_goose_GSEMngtRequests,
NULL);
return offset;
}
static int
dissect_goose_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 int
dissect_goose_IA5String(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_IA5String,
actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static const value_string goose_ErrorReason_vals[] = {
{ 0, "other" },
{ 1, "notFound" },
{ 0, NULL }
};
static int
dissect_goose_ErrorReason(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 goose_RequestResults_vals[] = {
{ 0, "offset" },
{ 1, "reference" },
{ 2, "error" },
{ 0, NULL }
};
static const ber_choice_t RequestResults_choice[] = {
{ 0, &hf_goose_offset , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ 1, &hf_goose_reference , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_IA5String },
{ 2, &hf_goose_error , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_ErrorReason },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_RequestResults(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,
RequestResults_choice, hf_index, ett_goose_RequestResults,
NULL);
return offset;
}
static const ber_sequence_t SEQUENCE_OF_RequestResults_sequence_of[1] = {
{ &hf_goose_result_item , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_goose_RequestResults },
};
static int
dissect_goose_SEQUENCE_OF_RequestResults(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_of(implicit_tag, actx, tree, tvb, offset,
SEQUENCE_OF_RequestResults_sequence_of, hf_index, ett_goose_SEQUENCE_OF_RequestResults);
return offset;
}
static const ber_sequence_t T_responsePositive_sequence[] = {
{ &hf_goose_datSet , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_result , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_SEQUENCE_OF_RequestResults },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_T_responsePositive(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,
T_responsePositive_sequence, hf_index, ett_goose_T_responsePositive);
return offset;
}
static const value_string goose_GlbErrors_vals[] = {
{ 0, "other" },
{ 1, "unknownControlBlock" },
{ 2, "responseTooLarge" },
{ 3, "controlBlockConfigurationError" },
{ 0, NULL }
};
static int
dissect_goose_GlbErrors(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 goose_PositiveNegative_vals[] = {
{ 2, "responsePositive" },
{ 3, "responseNegative" },
{ 0, NULL }
};
static const ber_choice_t PositiveNegative_choice[] = {
{ 2, &hf_goose_responsePositive, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_T_responsePositive },
{ 3, &hf_goose_responseNegative, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_goose_GlbErrors },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_PositiveNegative(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,
PositiveNegative_choice, hf_index, ett_goose_PositiveNegative,
NULL);
return offset;
}
static const ber_sequence_t GSEMngtResponsePdu_sequence[] = {
{ &hf_goose_ident , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_confRev , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_posNeg , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_goose_PositiveNegative },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GSEMngtResponsePdu(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,
GSEMngtResponsePdu_sequence, hf_index, ett_goose_GSEMngtResponsePdu);
return offset;
}
static const value_string goose_GSEMngtResponses_vals[] = {
{ 0, "gseMngtNotSupported" },
{ 1, "getGoReference" },
{ 2, "getGOOSEElementNumber" },
{ 3, "getGsReference" },
{ 4, "getGSSEDataOffset" },
{ 0, NULL }
};
static const ber_choice_t GSEMngtResponses_choice[] = {
{ 0, &hf_goose_gseMngtNotSupported, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_NULL },
{ 1, &hf_goose_gseMngtResponses_GetGOReference, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtResponsePdu },
{ 2, &hf_goose_gseMngtResponses_GetGOOSEElementNumber, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtResponsePdu },
{ 3, &hf_goose_gseMngtResponses_GetGSReference, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtResponsePdu },
{ 4, &hf_goose_gseMngtResponses_GetGSSEDataOffset, BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtResponsePdu },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GSEMngtResponses(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,
GSEMngtResponses_choice, hf_index, ett_goose_GSEMngtResponses,
NULL);
return offset;
}
static const value_string goose_RequestResponse_vals[] = {
{ 1, "requests" },
{ 2, "responses" },
{ 0, NULL }
};
static const ber_choice_t RequestResponse_choice[] = {
{ 1, &hf_goose_requests , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtRequests },
{ 2, &hf_goose_responses , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtResponses },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_RequestResponse(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,
RequestResponse_choice, hf_index, ett_goose_RequestResponse,
NULL);
return offset;
}
static const ber_sequence_t GSEMngtPdu_sequence[] = {
{ &hf_goose_stateID , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_requestResp , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_goose_RequestResponse },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GSEMngtPdu(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,
GSEMngtPdu_sequence, hf_index, ett_goose_GSEMngtPdu);
return offset;
}
static int
dissect_goose_UtcTime(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 18 "../../asn1/goose/goose.cnf"
guint32 len;
guint32 seconds;
guint32 fraction;
guint32 nanoseconds;
nstime_t ts;
gchar * ptime;
len = tvb_length_remaining(tvb, offset);
if(len != 8)
{
proto_tree_add_expert(tree, actx->pinfo, &ei_goose_mal_utctime, tvb, offset, len);
if(hf_index >= 0)
{
proto_tree_add_string(tree, hf_index, tvb, offset, len, "????");
}
return offset;
}
seconds = tvb_get_ntohl(tvb, offset);
fraction = tvb_get_ntoh24(tvb, offset+4) * 0x100; /* Only 3 bytes are recommended */
nanoseconds = (guint32)( ((guint64)fraction * G_GINT64_CONSTANT(1000000000U)) / G_GINT64_CONSTANT(0x100000000U) ) ;
ts.secs = seconds;
ts.nsecs = nanoseconds;
ptime = abs_time_to_str(&ts, ABSOLUTE_TIME_UTC, TRUE);
if(hf_index >= 0)
{
proto_tree_add_string(tree, hf_index, tvb, offset, len, ptime);
}
return offset;
return offset;
}
static int
dissect_goose_BOOLEAN(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_boolean(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
return offset;
}
static const ber_sequence_t SEQUENCE_OF_Data_sequence_of[1] = {
{ &hf_goose_allData_item , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_goose_Data },
};
static int
dissect_goose_SEQUENCE_OF_Data(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_of(implicit_tag, actx, tree, tvb, offset,
SEQUENCE_OF_Data_sequence_of, hf_index, ett_goose_SEQUENCE_OF_Data);
return offset;
}
static int
dissect_goose_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_goose_FloatingPoint(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_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_goose_REAL(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_real(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_goose_OCTET_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_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_goose_TimeOfDay(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_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_goose_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(implicit_tag, actx, tree, tvb, offset, hf_index, NULL);
return offset;
}
static int
dissect_goose_MMSString(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_UTF8String,
actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static const value_string goose_Data_vals[] = {
{ 1, "array" },
{ 2, "structure" },
{ 3, "boolean" },
{ 4, "bit-string" },
{ 5, "integer" },
{ 6, "unsigned" },
{ 7, "floating-point" },
{ 8, "real" },
{ 9, "octet-string" },
{ 10, "visible-string" },
{ 12, "binary-time" },
{ 13, "bcd" },
{ 14, "booleanArray" },
{ 15, "objId" },
{ 16, "mMSString" },
{ 17, "utc-time" },
{ 0, NULL }
};
static const ber_choice_t Data_choice[] = {
{ 1, &hf_goose_array , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_SEQUENCE_OF_Data },
{ 2, &hf_goose_structure , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_SEQUENCE_OF_Data },
{ 3, &hf_goose_boolean , BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_goose_BOOLEAN },
{ 4, &hf_goose_bit_string , BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_goose_BIT_STRING },
{ 5, &hf_goose_integer , BER_CLASS_CON, 5, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ 6, &hf_goose_unsigned , BER_CLASS_CON, 6, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ 7, &hf_goose_floating_point, BER_CLASS_CON, 7, BER_FLAGS_IMPLTAG, dissect_goose_FloatingPoint },
{ 8, &hf_goose_real , BER_CLASS_CON, 8, BER_FLAGS_IMPLTAG, dissect_goose_REAL },
{ 9, &hf_goose_octet_string , BER_CLASS_CON, 9, BER_FLAGS_IMPLTAG, dissect_goose_OCTET_STRING },
{ 10, &hf_goose_visible_string, BER_CLASS_CON, 10, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ 12, &hf_goose_binary_time , BER_CLASS_CON, 12, BER_FLAGS_IMPLTAG, dissect_goose_TimeOfDay },
{ 13, &hf_goose_bcd , BER_CLASS_CON, 13, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ 14, &hf_goose_booleanArray , BER_CLASS_CON, 14, BER_FLAGS_IMPLTAG, dissect_goose_BIT_STRING },
{ 15, &hf_goose_objId , BER_CLASS_CON, 15, BER_FLAGS_IMPLTAG, dissect_goose_OBJECT_IDENTIFIER },
{ 16, &hf_goose_mMSString , BER_CLASS_CON, 16, BER_FLAGS_IMPLTAG, dissect_goose_MMSString },
{ 17, &hf_goose_utc_time , BER_CLASS_CON, 17, BER_FLAGS_IMPLTAG, dissect_goose_UtcTime },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_Data(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,
Data_choice, hf_index, ett_goose_Data,
NULL);
return offset;
}
static const ber_sequence_t IECGoosePdu_sequence[] = {
{ &hf_goose_gocbRef , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_timeAllowedtoLive, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_datSet , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_goID , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_goose_VisibleString },
{ &hf_goose_t , BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_goose_UtcTime },
{ &hf_goose_stNum , BER_CLASS_CON, 5, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_sqNum , BER_CLASS_CON, 6, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_test , BER_CLASS_CON, 7, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_goose_BOOLEAN },
{ &hf_goose_confRev , BER_CLASS_CON, 8, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_ndsCom , BER_CLASS_CON, 9, BER_FLAGS_OPTIONAL|BER_FLAGS_IMPLTAG, dissect_goose_BOOLEAN },
{ &hf_goose_numDatSetEntries, BER_CLASS_CON, 10, BER_FLAGS_IMPLTAG, dissect_goose_INTEGER },
{ &hf_goose_allData , BER_CLASS_CON, 11, BER_FLAGS_IMPLTAG, dissect_goose_SEQUENCE_OF_Data },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_IECGoosePdu(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,
IECGoosePdu_sequence, hf_index, ett_goose_IECGoosePdu);
return offset;
}
static const value_string goose_GOOSEpdu_vals[] = {
{ 0, "gseMngtPdu" },
{ 1, "goosePdu" },
{ 0, NULL }
};
static const ber_choice_t GOOSEpdu_choice[] = {
{ 0, &hf_goose_gseMngtPdu , BER_CLASS_APP, 0, BER_FLAGS_IMPLTAG, dissect_goose_GSEMngtPdu },
{ 1, &hf_goose_goosePdu , BER_CLASS_APP, 1, BER_FLAGS_IMPLTAG, dissect_goose_IECGoosePdu },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_goose_GOOSEpdu(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,
GOOSEpdu_choice, hf_index, ett_goose_GOOSEpdu,
NULL);
return offset;
}
/*--- End of included file: packet-goose-fn.c ---*/
#line 58 "../../asn1/goose/packet-goose-template.c"
/*
* Dissect GOOSE PDUs inside a PPDU.
*/
static void
dissect_goose(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
{
int offset = 0;
int old_offset;
guint16 length;
proto_item *item = NULL;
proto_tree *tree = NULL;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
col_clear(pinfo->cinfo, COL_INFO);
if (parent_tree){
item = proto_tree_add_item(parent_tree, proto_goose, tvb, 0, -1, ENC_NA);
tree = proto_item_add_subtree(item, ett_goose);
/* APPID */
proto_tree_add_item(tree, hf_goose_appid, tvb, offset, 2, ENC_BIG_ENDIAN);
/* Length */
length = tvb_get_ntohs(tvb, offset + 2);
proto_tree_add_item(tree, hf_goose_length, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
/* Reserved 1 */
proto_tree_add_item(tree, hf_goose_reserve1, tvb, offset + 4, 2, ENC_BIG_ENDIAN);
/* Reserved 2 */
proto_tree_add_item(tree, hf_goose_reserve2, tvb, offset + 6, 2, ENC_BIG_ENDIAN);
offset = 8;
while (offset < length){
old_offset = offset;
offset = dissect_goose_GOOSEpdu(FALSE, tvb, offset, &asn1_ctx , tree, -1);
if (offset == old_offset) {
proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte GOOSE PDU");
return;
}
}
}
}
/*--- proto_register_goose -------------------------------------------*/
void proto_register_goose(void) {
/* List of fields */
static hf_register_info hf[] =
{
{ &hf_goose_appid,
{ "APPID", "goose.appid", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_goose_length,
{ "Length", "goose.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_goose_reserve1,
{ "Reserved 1", "goose.reserve1", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_goose_reserve2,
{ "Reserved 2", "goose.reserve2", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }},
/*--- Included file: packet-goose-hfarr.c ---*/
#line 1 "../../asn1/goose/packet-goose-hfarr.c"
{ &hf_goose_gseMngtPdu,
{ "gseMngtPdu", "goose.gseMngtPdu_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_goosePdu,
{ "goosePdu", "goose.goosePdu_element",
FT_NONE, BASE_NONE, NULL, 0,
"IECGoosePdu", HFILL }},
{ &hf_goose_stateID,
{ "stateID", "goose.stateID",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_requestResp,
{ "requestResp", "goose.requestResp",
FT_UINT32, BASE_DEC, VALS(goose_RequestResponse_vals), 0,
"RequestResponse", HFILL }},
{ &hf_goose_requests,
{ "requests", "goose.requests",
FT_UINT32, BASE_DEC, VALS(goose_GSEMngtRequests_vals), 0,
"GSEMngtRequests", HFILL }},
{ &hf_goose_responses,
{ "responses", "goose.responses",
FT_UINT32, BASE_DEC, VALS(goose_GSEMngtResponses_vals), 0,
"GSEMngtResponses", HFILL }},
{ &hf_goose_getGoReference,
{ "getGoReference", "goose.getGoReference_element",
FT_NONE, BASE_NONE, NULL, 0,
"GetReferenceRequestPdu", HFILL }},
{ &hf_goose_getGOOSEElementNumber,
{ "getGOOSEElementNumber", "goose.getGOOSEElementNumber_element",
FT_NONE, BASE_NONE, NULL, 0,
"GetElementRequestPdu", HFILL }},
{ &hf_goose_getGsReference,
{ "getGsReference", "goose.getGsReference_element",
FT_NONE, BASE_NONE, NULL, 0,
"GetReferenceRequestPdu", HFILL }},
{ &hf_goose_getGSSEDataOffset,
{ "getGSSEDataOffset", "goose.getGSSEDataOffset_element",
FT_NONE, BASE_NONE, NULL, 0,
"GetElementRequestPdu", HFILL }},
{ &hf_goose_gseMngtNotSupported,
{ "gseMngtNotSupported", "goose.gseMngtNotSupported_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_gseMngtResponses_GetGOReference,
{ "getGoReference", "goose.getGoReference_element",
FT_NONE, BASE_NONE, NULL, 0,
"GSEMngtResponsePdu", HFILL }},
{ &hf_goose_gseMngtResponses_GetGOOSEElementNumber,
{ "getGOOSEElementNumber", "goose.getGOOSEElementNumber_element",
FT_NONE, BASE_NONE, NULL, 0,
"GSEMngtResponsePdu", HFILL }},
{ &hf_goose_gseMngtResponses_GetGSReference,
{ "getGsReference", "goose.getGsReference_element",
FT_NONE, BASE_NONE, NULL, 0,
"GSEMngtResponsePdu", HFILL }},
{ &hf_goose_gseMngtResponses_GetGSSEDataOffset,
{ "getGSSEDataOffset", "goose.getGSSEDataOffset_element",
FT_NONE, BASE_NONE, NULL, 0,
"GSEMngtResponsePdu", HFILL }},
{ &hf_goose_ident,
{ "ident", "goose.ident",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_getReferenceRequestPDU_offset,
{ "offset", "goose.offset",
FT_UINT32, BASE_DEC, NULL, 0,
"T_getReferenceRequestPDU_offset", HFILL }},
{ &hf_goose_getReferenceRequestPDU_offset_item,
{ "offset item", "goose.offset_item",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_references,
{ "references", "goose.references",
FT_UINT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_goose_references_item,
{ "references item", "goose.references_item",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_confRev,
{ "confRev", "goose.confRev",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_posNeg,
{ "posNeg", "goose.posNeg",
FT_UINT32, BASE_DEC, VALS(goose_PositiveNegative_vals), 0,
"PositiveNegative", HFILL }},
{ &hf_goose_responsePositive,
{ "responsePositive", "goose.responsePositive_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_datSet,
{ "datSet", "goose.datSet",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_result,
{ "result", "goose.result",
FT_UINT32, BASE_DEC, NULL, 0,
"SEQUENCE_OF_RequestResults", HFILL }},
{ &hf_goose_result_item,
{ "RequestResults", "goose.RequestResults",
FT_UINT32, BASE_DEC, VALS(goose_RequestResults_vals), 0,
NULL, HFILL }},
{ &hf_goose_responseNegative,
{ "responseNegative", "goose.responseNegative",
FT_INT32, BASE_DEC, VALS(goose_GlbErrors_vals), 0,
"GlbErrors", HFILL }},
{ &hf_goose_offset,
{ "offset", "goose.offset",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_reference,
{ "reference", "goose.reference",
FT_STRING, BASE_NONE, NULL, 0,
"IA5String", HFILL }},
{ &hf_goose_error,
{ "error", "goose.error",
FT_INT32, BASE_DEC, VALS(goose_ErrorReason_vals), 0,
"ErrorReason", HFILL }},
{ &hf_goose_gocbRef,
{ "gocbRef", "goose.gocbRef",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_timeAllowedtoLive,
{ "timeAllowedtoLive", "goose.timeAllowedtoLive",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_goID,
{ "goID", "goose.goID",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_t,
{ "t", "goose.t",
FT_STRING, BASE_NONE, NULL, 0,
"UtcTime", HFILL }},
{ &hf_goose_stNum,
{ "stNum", "goose.stNum",
FT_UINT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_sqNum,
{ "sqNum", "goose.sqNum",
FT_UINT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_test,
{ "test", "goose.test",
FT_BOOLEAN, BASE_NONE, NULL, 0,
"BOOLEAN", HFILL }},
{ &hf_goose_ndsCom,
{ "ndsCom", "goose.ndsCom",
FT_BOOLEAN, BASE_NONE, NULL, 0,
"BOOLEAN", HFILL }},
{ &hf_goose_numDatSetEntries,
{ "numDatSetEntries", "goose.numDatSetEntries",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_allData,
{ "allData", "goose.allData",
FT_UINT32, BASE_DEC, NULL, 0,
"SEQUENCE_OF_Data", HFILL }},
{ &hf_goose_allData_item,
{ "Data", "goose.Data",
FT_UINT32, BASE_DEC, VALS(goose_Data_vals), 0,
NULL, HFILL }},
{ &hf_goose_array,
{ "array", "goose.array",
FT_UINT32, BASE_DEC, NULL, 0,
"SEQUENCE_OF_Data", HFILL }},
{ &hf_goose_array_item,
{ "Data", "goose.Data",
FT_UINT32, BASE_DEC, VALS(goose_Data_vals), 0,
NULL, HFILL }},
{ &hf_goose_structure,
{ "structure", "goose.structure",
FT_UINT32, BASE_DEC, NULL, 0,
"SEQUENCE_OF_Data", HFILL }},
{ &hf_goose_structure_item,
{ "Data", "goose.Data",
FT_UINT32, BASE_DEC, VALS(goose_Data_vals), 0,
NULL, HFILL }},
{ &hf_goose_boolean,
{ "boolean", "goose.boolean",
FT_BOOLEAN, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_bit_string,
{ "bit-string", "goose.bit_string",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_integer,
{ "integer", "goose.integer",
FT_INT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_goose_unsigned,
{ "unsigned", "goose.unsigned",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_goose_floating_point,
{ "floating-point", "goose.floating_point",
FT_BYTES, BASE_NONE, NULL, 0,
"FloatingPoint", HFILL }},
{ &hf_goose_real,
{ "real", "goose.real",
FT_DOUBLE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_octet_string,
{ "octet-string", "goose.octet_string",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_goose_visible_string,
{ "visible-string", "goose.visible_string",
FT_STRING, BASE_NONE, NULL, 0,
"VisibleString", HFILL }},
{ &hf_goose_binary_time,
{ "binary-time", "goose.binary_time",
FT_BYTES, BASE_NONE, NULL, 0,
"TimeOfDay", HFILL }},
{ &hf_goose_bcd,
{ "bcd", "goose.bcd",