diff options
| -rw-r--r-- | AUTHORS | 4 | ||||
| -rw-r--r-- | Makefile.common | 1 | ||||
| -rw-r--r-- | asn1/Makefile.am | 1 | ||||
| -rw-r--r-- | asn1/Makefile.nmake | 1 | ||||
| -rw-r--r-- | asn1/sv/Makefile.am | 26 | ||||
| -rw-r--r-- | asn1/sv/Makefile.common | 47 | ||||
| -rw-r--r-- | asn1/sv/Makefile.nmake | 29 | ||||
| -rw-r--r-- | asn1/sv/packet-sv-template.c | 335 | ||||
| -rw-r--r-- | asn1/sv/packet-sv-template.h | 43 | ||||
| -rw-r--r-- | asn1/sv/sv.asn | 25 | ||||
| -rw-r--r-- | asn1/sv/sv.cnf | 34 | ||||
| -rw-r--r-- | configure.in | 1 | ||||
| -rw-r--r-- | epan/dissectors/Makefile.common | 2 | ||||
| -rw-r--r-- | epan/dissectors/packet-sv.c | 564 | ||||
| -rw-r--r-- | epan/dissectors/packet-sv.h | 51 | ||||
| -rw-r--r-- | tap-sv.c | 65 |
16 files changed, 1229 insertions, 0 deletions
@@ -3071,6 +3071,10 @@ Edgar Gladkich <edgar.gladkich [AT] inacon.de> { Protocol help } +Michael Bernhard <michael.bernhard [AT] bfh.ch> { + IEC 61850 dissector +} + and by: Pavel Roskin <proski [AT] gnu.org> diff --git a/Makefile.common b/Makefile.common index bb4f4b6007..cdb2f78b83 100644 --- a/Makefile.common +++ b/Makefile.common @@ -129,6 +129,7 @@ TSHARK_TAP_SRC = \ tap-smbsids.c \ tap-smbstat.c \ tap-stats_tree.c \ + tap-sv.c \ tap-wspstat.c # wireshark specifics diff --git a/asn1/Makefile.am b/asn1/Makefile.am index dcbe5f63d3..22aa52f94e 100644 --- a/asn1/Makefile.am +++ b/asn1/Makefile.am @@ -95,6 +95,7 @@ SUBDIRS = \ smrse \ snmp \ spnego \ + sv \ t125 \ t38 \ tcap \ diff --git a/asn1/Makefile.nmake b/asn1/Makefile.nmake index 6f92a22622..f27770d8e6 100644 --- a/asn1/Makefile.nmake +++ b/asn1/Makefile.nmake @@ -92,6 +92,7 @@ BER_LIST= \ smrse \ snmp \ spnego \ + sv \ t125 \ tcap \ wlancertextn \ diff --git a/asn1/sv/Makefile.am b/asn1/sv/Makefile.am new file mode 100644 index 0000000000..0d2c3efcd4 --- /dev/null +++ b/asn1/sv/Makefile.am @@ -0,0 +1,26 @@ +# $Id:$ +# +# +# Wireshark - Network traffic analyzer +# By Gerald Combs <gerald@wireshark.org> +# Copyright 1998 Gerald Combs +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +include ../Makefile.preinc +include Makefile.common +include ../Makefile.inc + diff --git a/asn1/sv/Makefile.common b/asn1/sv/Makefile.common new file mode 100644 index 0000000000..62bc168336 --- /dev/null +++ b/asn1/sv/Makefile.common @@ -0,0 +1,47 @@ +# $Id:$ +# +# +# Wireshark - Network traffic analyzer +# By Gerald Combs <gerald@wireshark.org> +# Copyright 1998 Gerald Combs +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +PROTOCOL_NAME=sv + +DISSECTOR_FILES= \ + packet-$(PROTOCOL_NAME).c \ + packet-$(PROTOCOL_NAME).h + + +EXT_ASN_FILE_LIST = + +ASN_FILE_LIST = $(PROTOCOL_NAME).asn + +# The packet-$(PROTOCOL_NAME)-template.h and $(PROTOCOL_NAME).asn +# files do not exist for all protocols: Please add/remove as required. +EXTRA_DIST = \ + Makefile.nmake \ + $(ASN_FILE_LIST) \ + packet-$(PROTOCOL_NAME)-template.c \ + packet-$(PROTOCOL_NAME)-template.h \ + $(PROTOCOL_NAME).cnf + +SRC_FILES = \ + $(EXTRA_DIST) \ + $(EXT_ASN_FILE_LIST) + +A2W_FLAGS= -b diff --git a/asn1/sv/Makefile.nmake b/asn1/sv/Makefile.nmake new file mode 100644 index 0000000000..8263722c5f --- /dev/null +++ b/asn1/sv/Makefile.nmake @@ -0,0 +1,29 @@ +## Use: $(MAKE) /$(MAKEFLAGS) -f makefile.nmake +# +# $Id:$ +# +# +# Wireshark - Network traffic analyzer +# By Gerald Combs <gerald@wireshark.org> +# Copyright 1998 Gerald Combs +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +include ../../config.nmake +include ../Makefile.preinc.nmake +include Makefile.common +include ../Makefile.inc.nmake + diff --git a/asn1/sv/packet-sv-template.c b/asn1/sv/packet-sv-template.c new file mode 100644 index 0000000000..0096ea0319 --- /dev/null +++ b/asn1/sv/packet-sv-template.c @@ -0,0 +1,335 @@ +/* packet-sv.c + * Routines for IEC 61850 Sampled Vales packet dissection + * Michael Bernhard 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <glib.h> +#include <epan/packet.h> +#include <epan/asn1.h> +#include <epan/etypes.h> + +#include <stdio.h> +#include <string.h> + +#include "packet-ber.h" +#include "packet-acse.h" + +#include "tap.h" + +#include "packet-sv.h" + +#define PNAME "IEC61850 Sampled Values" +#define PSNAME "SV" +#define PFNAME "sv" + +/* see IEC61850-8-1 8.2 */ +#define Q_VALIDITY_GOOD (0x0 << 0) +#define Q_VALIDITY_INVALID (0x1 << 0) +#define Q_VALIDITY_QUESTIONABLE (0x3 << 0) +#define Q_VALIDITY_MASK (0x3 << 0) + +#define Q_OVERFLOW (1 << 2) +#define Q_OUTOFRANGE (1 << 3) +#define Q_BADREFERENCE (1 << 4) +#define Q_OSCILLATORY (1 << 5) +#define Q_FAILURE (1 << 6) +#define Q_OLDDATA (1 << 7) +#define Q_INCONSISTENT (1 << 8) +#define Q_INACCURATE (1 << 9) + +#define Q_SOURCE_PROCESS (0 << 10) +#define Q_SOURCE_SUBSTITUTED (1 << 10) +#define Q_SOURCE_MASK (1 << 10) + +#define Q_TEST (1 << 11) +#define Q_OPERATORBLOCKED (1 << 12) + +/* see UCA Implementation Guideline for IEC 61850-9-2 */ +#define Q_DERIVED (1 << 13) + + +/* Data for SV tap */ +static int sv_tap = -1; +static sv_frame_data sv_data; + +/* Initialize the protocol and registered fields */ +static int proto_sv = -1; +static int hf_sv_appid = -1; +static int hf_sv_length = -1; +static int hf_sv_reserve1 = -1; +static int hf_sv_reserve2 = -1; +static int hf_sv_phmeas_instmag_i = -1; +static int hf_sv_phsmeas_q = -1; +static int hf_sv_phsmeas_q_validity = -1; +static int hf_sv_phsmeas_q_overflow = -1; +static int hf_sv_phsmeas_q_outofrange = -1; +static int hf_sv_phsmeas_q_badreference = -1; +static int hf_sv_phsmeas_q_oscillatory = -1; +static int hf_sv_phsmeas_q_failure = -1; +static int hf_sv_phsmeas_q_olddata = -1; +static int hf_sv_phsmeas_q_inconsistent = -1; +static int hf_sv_phsmeas_q_inaccurate = -1; +static int hf_sv_phsmeas_q_source = -1; +static int hf_sv_phsmeas_q_test = -1; +static int hf_sv_phsmeas_q_operatorblocked = -1; +static int hf_sv_phsmeas_q_derived = -1; + +#include "packet-sv-hf.c" + +/* Initialize the subtree pointers */ +static int ett_sv = -1; +static int ett_phsmeas = -1; +static int ett_phsmeas_q = -1; + +#include "packet-sv-ett.c" + +static const value_string sv_q_validity_vals[] = { + { 0, "good" }, + { 1, "invalid" }, + { 3, "questionable" }, + { 0, NULL } +}; + +static const value_string sv_q_source_vals[] = { + { 0, "process" }, + { 1, "substituted" }, + { 0, NULL } +}; + +static int +dissect_PhsMeas1(gboolean implicit_tag, packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, int hf_id _U_) +{ + gint8 class; + gboolean pc; + gint32 tag; + guint32 len; + proto_item *it; + proto_tree *subtree = NULL; + gint32 value; + guint32 qual; + guint32 i; + + static const int *q_flags[] = { + &hf_sv_phsmeas_q_validity, + &hf_sv_phsmeas_q_overflow, + &hf_sv_phsmeas_q_outofrange, + &hf_sv_phsmeas_q_badreference, + &hf_sv_phsmeas_q_oscillatory, + &hf_sv_phsmeas_q_failure, + &hf_sv_phsmeas_q_olddata, + &hf_sv_phsmeas_q_inconsistent, + &hf_sv_phsmeas_q_inaccurate, + &hf_sv_phsmeas_q_source, + &hf_sv_phsmeas_q_test, + &hf_sv_phsmeas_q_operatorblocked, + &hf_sv_phsmeas_q_derived, + NULL + }; + + if (!implicit_tag) { + offset=dissect_ber_identifier(pinfo, tree, tvb, offset, &class, &pc, &tag); + offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL); + } else { + len=tvb_length_remaining(tvb, offset); + } + + if (tree) { + it = proto_tree_add_text(tree, tvb, offset, len, "PhsMeas1"); + subtree = proto_item_add_subtree(it, ett_phsmeas); + } + + sv_data.num_phsMeas = 0; + for (i = 0; i < len/8; i++) { + if (tree && subtree) { + value = tvb_get_ntohl(tvb, offset); + qual = tvb_get_ntohl(tvb, offset + 4); + + proto_tree_add_item(subtree, hf_sv_phmeas_instmag_i, tvb, offset, 4, FALSE); + proto_tree_add_bitmask(subtree, tvb, offset + 4, hf_sv_phsmeas_q, ett_phsmeas_q, q_flags, FALSE); + + if (i < IEC61850_SV_MAX_PHSMEAS_ENTRIES) { + sv_data.phsMeas[i].value = value; + sv_data.phsMeas[i].qual = qual; + sv_data.num_phsMeas++; + } + } + + offset += 8; + } + + return offset; +} + +#include "packet-sv-fn.c" + +/* +* Dissect SV PDUs inside a PPDU. +*/ +static void +dissect_sv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree) +{ + int offset = 0; + int old_offset; + proto_item *item = NULL; + proto_tree *tree = NULL; + asn1_ctx_t asn1_ctx; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); + + if (parent_tree){ + item = proto_tree_add_item(parent_tree, proto_sv, tvb, 0, -1, FALSE); + tree = proto_item_add_subtree(item, ett_sv); + } + col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME); + col_clear(pinfo->cinfo, COL_INFO); + + /* APPID */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 2) + proto_tree_add_item(tree, hf_sv_appid, tvb, offset, 2, FALSE); + + /* Length */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 4) + proto_tree_add_item(tree, hf_sv_length, tvb, offset + 2, 2, FALSE); + + /* Reserved 1 */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 6) + proto_tree_add_item(tree, hf_sv_reserve1, tvb, offset + 4, 2, FALSE); + + /* Reserved 2 */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 8) + proto_tree_add_item(tree, hf_sv_reserve2, tvb, offset + 6, 2, FALSE); + + offset = 8; + while (tree && tvb_reported_length_remaining(tvb, offset) > 0){ + old_offset = offset; + offset = dissect_sv_SampledValues(FALSE, tvb, offset, &asn1_ctx , tree, -1); + if (offset == old_offset) { + proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte SV PDU"); + offset = tvb_length(tvb); + break; + } + } + + if(tree) + tap_queue_packet(sv_tap, pinfo, &sv_data); +} + + +/*--- proto_register_sv -------------------------------------------*/ +void proto_register_sv(void) { + + /* List of fields */ + static hf_register_info hf[] = { + { &hf_sv_appid, + { "APPID", "sv.appid", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, + + { &hf_sv_length, + { "Length", "sv.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, + + { &hf_sv_reserve1, + { "Reserved 1", "sv.reserve1", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }}, + + { &hf_sv_reserve2, + { "Reserved 2", "sv.reserve2", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, NULL, HFILL }}, + + { &hf_sv_phmeas_instmag_i, + { "value", "sv.meas_value", FT_INT32, BASE_DEC, NULL, 0x0, NULL, HFILL}}, + + { &hf_sv_phsmeas_q, + { "quality", "sv.meas_quality", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_validity, + { "validity", "sv.meas_quality.validity", FT_UINT32, BASE_HEX, VALS(sv_q_validity_vals), Q_VALIDITY_MASK, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_overflow, + { "overflow", "sv.meas_quality.overflow", FT_BOOLEAN, 32, NULL, Q_OVERFLOW, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_outofrange, + { "out of range", "sv.meas_quality.outofrange", FT_BOOLEAN, 32, NULL, Q_OUTOFRANGE, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_badreference, + { "bad reference", "sv.meas_quality.badreference", FT_BOOLEAN, 32, NULL, Q_BADREFERENCE, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_oscillatory, + { "oscillatory", "sv.meas_quality.oscillatory", FT_BOOLEAN, 32, NULL, Q_OSCILLATORY, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_failure, + { "failure", "sv.meas_quality.failure", FT_BOOLEAN, 32, NULL, Q_FAILURE, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_olddata, + { "old data", "sv.meas_quality.olddata", FT_BOOLEAN, 32, NULL, Q_OLDDATA, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_inconsistent, + { "inconsistent", "sv.meas_quality.inconsistent", FT_BOOLEAN, 32, NULL, Q_INCONSISTENT, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_inaccurate, + { "inaccurate", "sv.meas_quality.inaccurate", FT_BOOLEAN, 32, NULL, Q_INACCURATE, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_source, + { "source", "sv.meas_quality.source", FT_UINT32, BASE_HEX, VALS(sv_q_source_vals), Q_SOURCE_MASK, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_test, + { "test", "sv.meas_quality.teset", FT_BOOLEAN, 32, NULL, Q_TEST, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_operatorblocked, + { "operator blocked", "sv.meas_quality.operatorblocked", FT_BOOLEAN, 32, NULL, Q_OPERATORBLOCKED, NULL, HFILL}}, + + { &hf_sv_phsmeas_q_derived, + { "derived", "sv.meas_quality.derived", FT_BOOLEAN, 32, NULL, Q_DERIVED, NULL, HFILL}}, + + +#include "packet-sv-hfarr.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_sv, + &ett_phsmeas, + &ett_phsmeas_q, +#include "packet-sv-ettarr.c" + }; + + /* Register protocol */ + proto_sv = proto_register_protocol(PNAME, PSNAME, PFNAME); + register_dissector("sv", dissect_sv, proto_sv); + + /* Register fields and subtrees */ + proto_register_field_array(proto_sv, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + /* Register tap */ + sv_tap = register_tap("sv"); +} + +/*--- proto_reg_handoff_sv --- */ +void proto_reg_handoff_sv(void) { + + dissector_handle_t sv_handle; + sv_handle = find_dissector("sv"); + + dissector_add("ethertype", ETHERTYPE_IEC61850_SV, sv_handle); +} diff --git a/asn1/sv/packet-sv-template.h b/asn1/sv/packet-sv-template.h new file mode 100644 index 0000000000..557a026df8 --- /dev/null +++ b/asn1/sv/packet-sv-template.h @@ -0,0 +1,43 @@ +/* packet-sv.h + * Routines for IEC 61850 Sampled Vales packet dissection + * Michael Bernhard 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __PACKET_SV_H__ +#define __PACKET_SV_H__ + +#define IEC61850_SV_MAX_PHSMEAS_ENTRIES 20 + +typedef struct _sv_phs_meas { + gint32 value; + guint32 qual; +} sv_phs_meas; + +typedef struct _sv_frame_data { + guint16 smpCnt; + guint8 smpSynch; + guint8 num_phsMeas; + sv_phs_meas phsMeas[IEC61850_SV_MAX_PHSMEAS_ENTRIES]; +} sv_frame_data; + +#endif /*__PACKET_SV_H__*/ diff --git a/asn1/sv/sv.asn b/asn1/sv/sv.asn new file mode 100644 index 0000000000..9aac7683ef --- /dev/null +++ b/asn1/sv/sv.asn @@ -0,0 +1,25 @@ +-- $Id:$ +IEC61850 DEFINITIONS ::= BEGIN + +SampledValues ::= CHOICE { + savPdu [APPLICATION 0] IMPLICIT SavPdu, + ... +} + +SavPdu ::= SEQUENCE { + noASDU [0] IMPLICIT INTEGER(0..65535), + seqASDU [2] IMPLICIT SEQUENCE OF ASDU +} + +ASDU ::= SEQUENCE { + svID [0] IMPLICIT VisibleString, + smpCnt [2] IMPLICIT INTEGER(0..65535), + confRef [3] IMPLICIT INTEGER(0..4294967295), + smpSynch [5] IMPLICIT INTEGER{none(0),local(1),global(2)}, + seqData [7] IMPLICIT Data, + ... +} + +Data ::= OCTET STRING + +END diff --git a/asn1/sv/sv.cnf b/asn1/sv/sv.cnf new file mode 100644 index 0000000000..698f37e79e --- /dev/null +++ b/asn1/sv/sv.cnf @@ -0,0 +1,34 @@ +# sv.cnf +# SampledValue conformation file + +# $Id:$ + +#.MODULE_IMPORT + +#.EXPORTS + +#.PDU + +#.NO_EMIT + +#.TYPE_RENAME + +#.FIELD_RENAME + +#.FN_BODY ASDU/smpCnt + guint32 value; + offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value); + sv_data.smpCnt = value; +#.END + +#.FN_BODY ASDU/smpSynch + guint32 value; + offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value); + sv_data.smpSynch = value; +#.END + +#.FN_BODY Data + offset = dissect_PhsMeas1(implicit_tag, actx->pinfo, tree, tvb, offset, hf_index); +#.END + +#.END_OF_CNF
\ No newline at end of file diff --git a/configure.in b/configure.in index ffd5dd8d3a..73267b3582 100644 --- a/configure.in +++ b/configure.in @@ -1811,6 +1811,7 @@ AC_OUTPUT( asn1/smrse/Makefile asn1/snmp/Makefile asn1/spnego/Makefile + asn1/sv/Makefile asn1/t125/Makefile asn1/t38/Makefile asn1/tcap/Makefile diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common index 4973c3bd13..a372b037ea 100644 --- a/epan/dissectors/Makefile.common +++ b/epan/dissectors/Makefile.common @@ -148,6 +148,7 @@ ASN1_DISSECTOR_SRC = \ packet-sabp.c \ packet-smrse.c \ packet-spnego.c \ + packet-sv.c \ packet-ulp.c \ packet-wlancertextn.c \ packet-x224.c \ @@ -1254,6 +1255,7 @@ DISSECTOR_INCLUDES = \ packet-ssl-utils.h \ packet-stat-notify.h \ packet-stat.h \ + packet-sv.h \ packet-t30.h \ packet-t38.h \ packet-tacacs.h \ diff --git a/epan/dissectors/packet-sv.c b/epan/dissectors/packet-sv.c new file mode 100644 index 0000000000..faa6e2023e --- /dev/null +++ b/epan/dissectors/packet-sv.c @@ -0,0 +1,564 @@ +/* Do not modify this file. */ +/* It is created automatically by the ASN.1 to Wireshark dissector compiler */ +/* packet-sv.c */ +/* ../../tools/asn2wrs.py -b -p sv -c ./sv.cnf -s ./packet-sv-template -D . sv.asn */ + +/* Input file: packet-sv-template.c */ + +#line 1 "packet-sv-template.c" +/* packet-sv.c + * Routines for IEC 61850 Sampled Vales packet dissection + * Michael Bernhard 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <glib.h> +#include <epan/packet.h> +#include <epan/asn1.h> +#include <epan/etypes.h> + +#include <stdio.h> +#include <string.h> + +#include "packet-ber.h" +#include "packet-acse.h" + +#include "tap.h" + +#include "packet-sv.h" + +#define PNAME "IEC61850 Sampled Values" +#define PSNAME "SV" +#define PFNAME "sv" + +/* see IEC61850-8-1 8.2 */ +#define Q_VALIDITY_GOOD (0x0 << 0) +#define Q_VALIDITY_INVALID (0x1 << 0) +#define Q_VALIDITY_QUESTIONABLE (0x3 << 0) +#define Q_VALIDITY_MASK (0x3 << 0) + +#define Q_OVERFLOW (1 << 2) +#define Q_OUTOFRANGE (1 << 3) +#define Q_BADREFERENCE (1 << 4) +#define Q_OSCILLATORY (1 << 5) +#define Q_FAILURE (1 << 6) +#define Q_OLDDATA (1 << 7) +#define Q_INCONSISTENT (1 << 8) +#define Q_INACCURATE (1 << 9) + +#define Q_SOURCE_PROCESS (0 << 10) +#define Q_SOURCE_SUBSTITUTED (1 << 10) +#define Q_SOURCE_MASK (1 << 10) + +#define Q_TEST (1 << 11) +#define Q_OPERATORBLOCKED (1 << 12) + +/* see UCA Implementation Guideline for IEC 61850-9-2 */ +#define Q_DERIVED (1 << 13) + + +/* Data for SV tap */ +static int sv_tap = -1; +static sv_frame_data sv_data; + +/* Initialize the protocol and registered fields */ +static int proto_sv = -1; +static int hf_sv_appid = -1; +static int hf_sv_length = -1; +static int hf_sv_reserve1 = -1; +static int hf_sv_reserve2 = -1; +static int hf_sv_phmeas_instmag_i = -1; +static int hf_sv_phsmeas_q = -1; +static int hf_sv_phsmeas_q_validity = -1; +static int hf_sv_phsmeas_q_overflow = -1; +static int hf_sv_phsmeas_q_outofrange = -1; +static int hf_sv_phsmeas_q_badreference = -1; +static int hf_sv_phsmeas_q_oscillatory = -1; +static int hf_sv_phsmeas_q_failure = -1; +static int hf_sv_phsmeas_q_olddata = -1; +static int hf_sv_phsmeas_q_inconsistent = -1; +static int hf_sv_phsmeas_q_inaccurate = -1; +static int hf_sv_phsmeas_q_source = -1; +static int hf_sv_phsmeas_q_test = -1; +static int hf_sv_phsmeas_q_operatorblocked = -1; +static int hf_sv_phsmeas_q_derived = -1; + + +/*--- Included file: packet-sv-hf.c ---*/ +#line 1 "packet-sv-hf.c" +static int hf_sv_savPdu = -1; /* SavPdu */ +static int hf_sv_noASDU = -1; /* INTEGER_0_65535 */ +static int hf_sv_seqASDU = -1; /* SEQUENCE_OF_ASDU */ +static int hf_sv_seqASDU_item = -1; /* ASDU */ +static int hf_sv_svID = -1; /* VisibleString */ +static int hf_sv_smpCnt = -1; /* T_smpCnt */ +static int hf_sv_confRef = -1; /* INTEGER_0_4294967295 */ +static int hf_sv_smpSynch = -1; /* T_smpSynch */ +static int hf_sv_seqData = -1; /* Data */ + +/*--- End of included file: packet-sv-hf.c ---*/ +#line 102 "packet-sv-template.c" + +/* Initialize the subtree pointers */ +static int ett_sv = -1; +static int ett_phsmeas = -1; +static int ett_phsmeas_q = -1; + + +/*--- Included file: packet-sv-ett.c ---*/ +#line 1 "packet-sv-ett.c" +static gint ett_sv_SampledValues = -1; +static gint ett_sv_SavPdu = -1; +static gint ett_sv_SEQUENCE_OF_ASDU = -1; +static gint ett_sv_ASDU = -1; + +/*--- End of included file: packet-sv-ett.c ---*/ +#line 109 "packet-sv-template.c" + +static const value_string sv_q_validity_vals[] = { + { 0, "good" }, + { 1, "invalid" }, + { 3, "questionable" }, + { 0, NULL } +}; + +static const value_string sv_q_source_vals[] = { + { 0, "process" }, + { 1, "substituted" }, + { 0, NULL } +}; + +static int +dissect_PhsMeas1(gboolean implicit_tag, packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset, int hf_id _U_) +{ + gint8 class; + gboolean pc; + gint32 tag; + guint32 len; + proto_item *it; + proto_tree *subtree = NULL; + gint32 value; + guint32 qual; + guint32 i; + + static const int *q_flags[] = { + &hf_sv_phsmeas_q_validity, + &hf_sv_phsmeas_q_overflow, + &hf_sv_phsmeas_q_outofrange, + &hf_sv_phsmeas_q_badreference, + &hf_sv_phsmeas_q_oscillatory, + &hf_sv_phsmeas_q_failure, + &hf_sv_phsmeas_q_olddata, + &hf_sv_phsmeas_q_inconsistent, + &hf_sv_phsmeas_q_inaccurate, + &hf_sv_phsmeas_q_source, + &hf_sv_phsmeas_q_test, + &hf_sv_phsmeas_q_operatorblocked, + &hf_sv_phsmeas_q_derived, + NULL + }; + + if (!implicit_tag) { + offset=dissect_ber_identifier(pinfo, tree, tvb, offset, &class, &pc, &tag); + offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL); + } else { + len=tvb_length_remaining(tvb, offset); + } + + if (tree) { + it = proto_tree_add_text(tree, tvb, offset, len, "PhsMeas1"); + subtree = proto_item_add_subtree(it, ett_phsmeas); + } + + sv_data.num_phsMeas = 0; + for (i = 0; i < len/8; i++) { + if (tree && subtree) { + value = tvb_get_ntohl(tvb, offset); + qual = tvb_get_ntohl(tvb, offset + 4); + + proto_tree_add_item(subtree, hf_sv_phmeas_instmag_i, tvb, offset, 4, FALSE); + proto_tree_add_bitmask(subtree, tvb, offset + 4, hf_sv_phsmeas_q, ett_phsmeas_q, q_flags, FALSE); + + if (i < IEC61850_SV_MAX_PHSMEAS_ENTRIES) { + sv_data.phsMeas[i].value = value; + sv_data.phsMeas[i].qual = qual; + sv_data.num_phsMeas++; + } + } + + offset += 8; + } + + return offset; +} + + +/*--- Included file: packet-sv-fn.c ---*/ +#line 1 "packet-sv-fn.c" + + +static int +dissect_sv_INTEGER_0_65535(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_sv_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 int +dissect_sv_T_smpCnt(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 19 "sv.cnf" + guint32 value; + offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value); + sv_data.smpCnt = value; + + + return offset; +} + + + +static int +dissect_sv_INTEGER_0_4294967295(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 sv_T_smpSynch_vals[] = { + { 0, "none" }, + { 1, "local" }, + { 2, "global" }, + { 0, NULL } +}; + + +static int +dissect_sv_T_smpSynch(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 25 "sv.cnf" + guint32 value; + offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &value); + sv_data.smpSynch = value; + + + return offset; +} + + + +static int +dissect_sv_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_) { +#line 31 "sv.cnf" + offset = dissect_PhsMeas1(implicit_tag, actx->pinfo, tree, tvb, offset, hf_index); + + + return offset; +} + + +static const ber_sequence_t ASDU_sequence[] = { + { &hf_sv_svID , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_sv_VisibleString }, + { &hf_sv_smpCnt , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_sv_T_smpCnt }, + { &hf_sv_confRef , BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_sv_INTEGER_0_4294967295 }, + { &hf_sv_smpSynch , BER_CLASS_CON, 5, BER_FLAGS_IMPLTAG, dissect_sv_T_smpSynch }, + { &hf_sv_seqData , BER_CLASS_CON, 7, BER_FLAGS_IMPLTAG, dissect_sv_Data }, + { NULL, 0, 0, 0, NULL } +}; + +static int +dissect_sv_ASDU(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, + ASDU_sequence, hf_index, ett_sv_ASDU); + + return offset; +} + + +static const ber_sequence_t SEQUENCE_OF_ASDU_sequence_of[1] = { + { &hf_sv_seqASDU_item , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_sv_ASDU }, +}; + +static int +dissect_sv_SEQUENCE_OF_ASDU(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_ASDU_sequence_of, hf_index, ett_sv_SEQUENCE_OF_ASDU); + + return offset; +} + + +static const ber_sequence_t SavPdu_sequence[] = { + { &hf_sv_noASDU , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_sv_INTEGER_0_65535 }, + { &hf_sv_seqASDU , BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_sv_SEQUENCE_OF_ASDU }, + { NULL, 0, 0, 0, NULL } +}; + +static int +dissect_sv_SavPdu(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, + SavPdu_sequence, hf_index, ett_sv_SavPdu); + + return offset; +} + + +static const value_string sv_SampledValues_vals[] = { + { 0, "savPdu" }, + { 0, NULL } +}; + +static const ber_choice_t SampledValues_choice[] = { + { 0, &hf_sv_savPdu , BER_CLASS_APP, 0, BER_FLAGS_IMPLTAG, dissect_sv_SavPdu }, + { 0, NULL, 0, 0, 0, NULL } +}; + +static int +dissect_sv_SampledValues(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, + SampledValues_choice, hf_index, ett_sv_SampledValues, + NULL); + + return offset; +} + + +/*--- End of included file: packet-sv-fn.c ---*/ +#line 188 "packet-sv-template.c" + +/* +* Dissect SV PDUs inside a PPDU. +*/ +static void +dissect_sv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree) +{ + int offset = 0; + int old_offset; + proto_item *item = NULL; + proto_tree *tree = NULL; + asn1_ctx_t asn1_ctx; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); + + if (parent_tree){ + item = proto_tree_add_item(parent_tree, proto_sv, tvb, 0, -1, FALSE); + tree = proto_item_add_subtree(item, ett_sv); + } + if (check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME); + if (check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + /* APPID */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 2) + proto_tree_add_item(tree, hf_sv_appid, tvb, offset, 2, FALSE); + + /* Length */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 4) + proto_tree_add_item(tree, hf_sv_length, tvb, offset + 2, 2, FALSE); + + /* Reserved 1 */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 6) + proto_tree_add_item(tree, hf_sv_reserve1, tvb, offset + 4, 2, FALSE); + + /* Reserved 2 */ + if (tree && tvb_reported_length_remaining(tvb, offset) >= 8) + proto_tree_add_item(tree, hf_sv_reserve2, tvb, offset + 6, 2, FALSE); + + offset = 8; + while (tree && tvb_reported_length_remaining(tvb, offset) > 0){ + old_offset = offset; + offset = dissect_sv_SampledValues(FALSE, tvb, offset, &asn1_ctx , tree, -1); + if (offset == old_offset) { + proto_tree_add_text(tree, tvb, offset, -1, "Internal error, zero-byte SV PDU"); + offset = tvb_length(tvb); + break; + } + } + + if(tree) + tap_queue_packet(sv_tap, pinfo, &sv_data); +} + + +/*--- proto_register_sv -------------------------------------------*/ +void proto_register_sv(void) { + + /* List of fields */ + static hf_register_info hf[] = { + { &hf_sv_appid, + { "APPID", "sv.appid", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }}, + + { &hf_sv_length, + { "Length", "sv.length", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }}, + + { &hf_sv_reserve1, + { "Reserved 1", "sv.reserve1", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, "", HFILL }}, + + { &hf_sv_reserve2, + { "Reserved 2", "sv.reserve2", FT_UINT16, BASE_HEX_DEC, NULL, 0x0, "", HFILL }}, + + { &hf_sv_phmeas_instmag_i, + { "value", "sv.meas_value", FT_INT32, BASE_DEC, NULL, 0x0, "", HFILL}}, + + { &hf_sv_phsmeas_q, + { "quality", "sv.meas_quality", FT_UINT32, BASE_HEX, NULL, 0x0, "", HFILL}}, + + { &hf_sv_phsmeas_q_validity, + { "validity", "sv.meas_quality.validity", FT_UINT32, BASE_HEX, VALS(sv_q_validity_vals), Q_VALIDITY_MASK, "", HFILL}}, + + { &hf_sv_phsmeas_q_overflow, + { "overflow", "sv.meas_quality.overflow", FT_BOOLEAN, 32, NULL, Q_OVERFLOW, "", HFILL}}, + + { &hf_sv_phsmeas_q_outofrange, + { "out of range", "sv.meas_quality.outofrange", FT_BOOLEAN, 32, NULL, Q_OUTOFRANGE, "", HFILL}}, + + { &hf_sv_phsmeas_q_badreference, + { "bad reference", "sv.meas_quality.badreference", FT_BOOLEAN, 32, NULL, Q_BADREFERENCE, "", HFILL}}, + + { &hf_sv_phsmeas_q_oscillatory, + { "oscillatory", "sv.meas_quality.oscillatory", FT_BOOLEAN, 32, NULL, Q_OSCILLATORY, "", HFILL}}, + + { &hf_sv_phsmeas_q_failure, + { "failure", "sv.meas_quality.failure", FT_BOOLEAN, 32, NULL, Q_FAILURE, "", HFILL}}, + + { &hf_sv_phsmeas_q_olddata, + { "old data", "sv.meas_quality.olddata", FT_BOOLEAN, 32, NULL, Q_OLDDATA, "", HFILL}}, + + { &hf_sv_phsmeas_q_inconsistent, + { "inconsistent", "sv.meas_quality.inconsistent", FT_BOOLEAN, 32, NULL, Q_INCONSISTENT, "", HFILL}}, + + { &hf_sv_phsmeas_q_inaccurate, + { "inaccurate", "sv.meas_quality.inaccurate", FT_BOOLEAN, 32, NULL, Q_INACCURATE, "", HFILL}}, + + { &hf_sv_phsmeas_q_source, + { "source", "sv.meas_quality.source", FT_UINT32, BASE_HEX, VALS(sv_q_source_vals), Q_SOURCE_MASK, "", HFILL}}, + + { &hf_sv_phsmeas_q_test, + { "test", "sv.meas_quality.teset", FT_BOOLEAN, 32, NULL, Q_TEST, "", HFILL}}, + + { &hf_sv_phsmeas_q_operatorblocked, + { "operator blocked", "sv.meas_quality.operatorblocked", FT_BOOLEAN, 32, NULL, Q_OPERATORBLOCKED, "", HFILL}}, + + { &hf_sv_phsmeas_q_derived, + { "derived", "sv.meas_quality.derived", FT_BOOLEAN, 32, NULL, Q_DERIVED, "", HFILL}}, + + + +/*--- Included file: packet-sv-hfarr.c ---*/ +#line 1 "packet-sv-hfarr.c" + { &hf_sv_savPdu, + { "savPdu", "sv.savPdu", + FT_NONE, BASE_NONE, NULL, 0, + "sv.SavPdu", HFILL }}, + { &hf_sv_noASDU, + { "noASDU", "sv.noASDU", + FT_UINT32, BASE_DEC, NULL, 0, + "sv.INTEGER_0_65535", HFILL }}, + { &hf_sv_seqASDU, + { "seqASDU", "sv.seqASDU", + FT_UINT32, BASE_DEC, NULL, 0, + "sv.SEQUENCE_OF_ASDU", HFILL }}, + { &hf_sv_seqASDU_item, + { "seqASDU", "sv.seqASDU_item", + FT_NONE, BASE_NONE, NULL, 0, + "sv.ASDU", HFILL }}, + { &hf_sv_svID, + { "svID", "sv.svID", + FT_STRING, BASE_NONE, NULL, 0, + "sv.VisibleString", HFILL }}, + { &hf_sv_smpCnt, + { "smpCnt", "sv.smpCnt", + FT_UINT32, BASE_DEC, NULL, 0, + "sv.T_smpCnt", HFILL }}, + { &hf_sv_confRef, + { "confRef", "sv.confRef", + FT_UINT32, BASE_DEC, NULL, 0, + "sv.INTEGER_0_4294967295", HFILL }}, + { &hf_sv_smpSynch, + { "smpSynch", "sv.smpSynch", + FT_INT32, BASE_DEC, VALS(sv_T_smpSynch_vals), 0, + "sv.T_smpSynch", HFILL }}, + { &hf_sv_seqData, + { "seqData", "sv.seqData", + FT_BYTES, BASE_HEX, NULL, 0, + "sv.Data", HFILL }}, + +/*--- End of included file: packet-sv-hfarr.c ---*/ +#line 308 "packet-sv-template.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_sv, + &ett_phsmeas, + &ett_phsmeas_q, + +/*--- Included file: packet-sv-ettarr.c ---*/ +#line 1 "packet-sv-ettarr.c" + &ett_sv_SampledValues, + &ett_sv_SavPdu, + &ett_sv_SEQUENCE_OF_ASDU, + &ett_sv_ASDU, + +/*--- End of included file: packet-sv-ettarr.c ---*/ +#line 316 "packet-sv-template.c" + }; + + /* Register protocol */ + proto_sv = proto_register_protocol(PNAME, PSNAME, PFNAME); + register_dissector("sv", dissect_sv, proto_sv); + + /* Register fields and subtrees */ + proto_register_field_array(proto_sv, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + /* Register tap */ + sv_tap = register_tap("sv"); +} + +/*--- proto_reg_handoff_sv --- */ +void proto_reg_handoff_sv(void) { + + dissector_handle_t sv_handle; + sv_handle = find_dissector("sv"); + + dissector_add("ethertype", ETHERTYPE_IEC61850_SV, sv_handle); +} diff --git a/epan/dissectors/packet-sv.h b/epan/dissectors/packet-sv.h new file mode 100644 index 0000000000..224d4ba022 --- /dev/null +++ b/epan/dissectors/packet-sv.h @@ -0,0 +1,51 @@ +/* Do not modify this file. */ +/* It is created automatically by the ASN.1 to Wireshark dissector compiler */ +/* packet-sv.h */ +/* ../../tools/asn2wrs.py -b -p sv -c ./sv.cnf -s ./packet-sv-template -D . sv.asn */ + +/* Input file: packet-sv-template.h */ + +#line 1 "packet-sv-template.h" +/* packet-sv.c + * Routines for IEC 61850 Sampled Vales packet dissection + * Michael Bernhard 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __PACKET_SV_H__ +#define __PACKET_SV_H__ + +#define IEC61850_SV_MAX_PHSMEAS_ENTRIES 20 + +typedef struct _sv_phs_meas { + gint32 value; + guint32 qual; +} sv_phs_meas; + +typedef struct _sv_frame_data { + guint16 smpCnt; + guint8 smpSynch; + guint8 num_phsMeas; + sv_phs_meas phsMeas[IEC61850_SV_MAX_PHSMEAS_ENTRIES]; +} sv_frame_data; + +#endif /*__PACKET_SV_H__*/ diff --git a/tap-sv.c b/tap-sv.c new file mode 100644 index 0000000000..a1c074c871 --- /dev/null +++ b/tap-sv.c @@ -0,0 +1,65 @@ +/* tap-sv.c + * Copyright 2008 Michael Bernhard + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> + +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif + +#include <string.h> +#include "epan/packet_info.h" +#include <epan/tap.h> +#include <epan/nstime.h> +#include "register.h" +#include "epan/dissectors/packet-sv.h" + +static int +sv_packet(void *prs _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri) +{ + int i; + const sv_frame_data * sv_data = pri; + + printf("%f %u ", nstime_to_sec(&pinfo->fd->rel_ts), sv_data->smpCnt); + + for(i = 0; i < sv_data->num_phsMeas; i++) { + printf("%d ", sv_data->phsMeas[i].value); + } + + printf("\n"); + + return 0; +} + +void +register_tap_listener_sv(void) +{ + register_tap_listener("sv", NULL, NULL, 0, NULL, sv_packet, NULL); +} |