/* Do not modify this file. Changes will be overwritten. */ /* Generated automatically by the ASN.1 to Wireshark dissector compiler */ /* packet-goose.c */ /* asn2wrs.py -b -p goose -c ./goose.cnf -s ./packet-goose-template -D . -O ../.. 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 * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include #include #include #include "packet-ber.h" #include "packet-acse.h" #define PNAME "GOOSE" #define PSNAME "GOOSE" #define PFNAME "goose" void proto_register_goose(void); void proto_reg_handoff_goose(void); /* 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; static expert_field ei_goose_zero_pdu = 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 52 "./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 57 "./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 17 "./asn1/goose/goose.cnf" guint32 len; guint32 seconds; guint32 fraction; guint32 nanoseconds; nstime_t ts; gchar * ptime; len = tvb_reported_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_GUINT64_CONSTANT(1000000000)) / G_GUINT64_CONSTANT(0x100000000) ) ; ts.secs = seconds; ts.nsecs = nanoseconds; ptime = abs_time_to_str(wmem_packet_scope(), &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 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 59 "./asn1/goose/packet-goose-template.c" static dissector_handle_t goose_handle = NULL; /* * Dissect GOOSE PDUs inside a PPDU. */ static int dissect_goose(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_) { 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); 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_expert(tree, pinfo, &ei_goose_zero_pdu, tvb, offset, -1); break; } } return tvb_captured_length(tvb); } /*--- 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", FT_INT32, BASE_DEC, NULL, 0, "INTEGER", HFILL }}, { &hf_goose_booleanArray, { "booleanArray", "goose.booleanArray", FT_BYTES, BASE_NONE, NULL, 0, "BIT_STRING", HFILL }}, { &hf_goose_objId, { "objId", "goose.objId", FT_OID, BASE_NONE, NULL, 0, "OBJECT_IDENTIFIER", HFILL }}, { &hf_goose_mMSString, { "mMSString", "goose.mMSString", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_goose_utc_time, { "utc-time", "goose.utc_time", FT_STRING, BASE_NONE, NULL, 0, "UtcTime", HFILL }}, /*--- End of included file: packet-goose-hfarr.c ---*/ #line 129 "./asn1/goose/packet-goose-template.c" }; /* List of subtrees */ static gint *ett[] = { &ett_goose, /*--- Included file: packet-goose-ettarr.c ---*/ #line 1 "./asn1/goose/packet-goose-ettarr.c" &ett_goose_GOOSEpdu, &ett_goose_GSEMngtPdu, &ett_goose_RequestResponse, &ett_goose_GSEMngtRequests, &ett_goose_GSEMngtResponses, &ett_goose_GetReferenceRequestPdu, &ett_goose_T_getReferenceRequestPDU_offset, &ett_goose_GetElementRequestPdu, &ett_goose_T_references, &ett_goose_GSEMngtResponsePdu, &ett_goose_PositiveNegative, &ett_goose_T_responsePositive, &ett_goose_SEQUENCE_OF_RequestResults, &ett_goose_RequestResults, &ett_goose_IECGoosePdu, &ett_goose_SEQUENCE_OF_Data, &ett_goose_Data, /*--- End of included file: packet-goose-ettarr.c ---*/ #line 135 "./asn1/goose/packet-goose-template.c" }; static ei_register_info ei[] = { { &ei_goose_mal_utctime, { "goose.malformed.utctime", PI_MALFORMED, PI_WARN, "BER Error: malformed UTCTime encoding", EXPFILL }}, { &ei_goose_zero_pdu, { "goose.zero_pdu", PI_PROTOCOL, PI_ERROR, "Internal error, zero-byte GOOSE PDU", EXPFILL }}, }; expert_module_t* expert_goose; /* Register protocol */ proto_goose = proto_register_protocol(PNAME, PSNAME, PFNAME); goose_handle = register_dissector("goose", dissect_goose, proto_goose); /* Register fields and subtrees */ proto_register_field_array(proto_goose, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_goose = expert_register_protocol(proto_goose); expert_register_field_array(expert_goose, ei, array_length(ei)); } /*--- proto_reg_handoff_goose --- */ void proto_reg_handoff_goose(void) { dissector_add_uint("ethertype", ETHERTYPE_IEC61850_GOOSE, goose_handle); }