diff options
Diffstat (limited to 'epan/dissectors/asn1/sv')
| -rw-r--r-- | epan/dissectors/asn1/sv/CMakeLists.txt | 48 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/Makefile.am | 23 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/Makefile.common | 41 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/Makefile.nmake | 26 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/packet-sv-template.c | 340 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/packet-sv-template.h | 42 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/sv.asn | 28 | ||||
| -rw-r--r-- | epan/dissectors/asn1/sv/sv.cnf | 84 |
8 files changed, 632 insertions, 0 deletions
diff --git a/epan/dissectors/asn1/sv/CMakeLists.txt b/epan/dissectors/asn1/sv/CMakeLists.txt new file mode 100644 index 0000000000..a567bd6b38 --- /dev/null +++ b/epan/dissectors/asn1/sv/CMakeLists.txt @@ -0,0 +1,48 @@ +# CMakeLists.txt +# +# 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. +# + +set( PROTOCOL_NAME sv ) + +set( PROTO_OPT ) + +set( EXT_ASN_FILE_LIST +) + +set( ASN_FILE_LIST + ${PROTOCOL_NAME}.asn +) + +set( EXTRA_DIST + ${ASN_FILE_LIST} + packet-${PROTOCOL_NAME}-template.c + packet-${PROTOCOL_NAME}-template.h + ${PROTOCOL_NAME}.cnf +) + +set( SRC_FILES + ${EXTRA_DIST} + ${EXT_ASN_FILE_LIST} +) + +set( A2W_FLAGS -b ) + +ASN2WRS() + diff --git a/epan/dissectors/asn1/sv/Makefile.am b/epan/dissectors/asn1/sv/Makefile.am new file mode 100644 index 0000000000..72d28e600b --- /dev/null +++ b/epan/dissectors/asn1/sv/Makefile.am @@ -0,0 +1,23 @@ +# 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 ../Makefile.preinc +include Makefile.common +include ../Makefile.inc + diff --git a/epan/dissectors/asn1/sv/Makefile.common b/epan/dissectors/asn1/sv/Makefile.common new file mode 100644 index 0000000000..828affa5de --- /dev/null +++ b/epan/dissectors/asn1/sv/Makefile.common @@ -0,0 +1,41 @@ +# 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. + + +PROTOCOL_NAME=sv + +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 = \ + $(EXTRA_DIST_COMMON) \ + $(ASN_FILE_LIST) \ + packet-$(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/epan/dissectors/asn1/sv/Makefile.nmake b/epan/dissectors/asn1/sv/Makefile.nmake new file mode 100644 index 0000000000..d296638ddd --- /dev/null +++ b/epan/dissectors/asn1/sv/Makefile.nmake @@ -0,0 +1,26 @@ +## Use: $(MAKE) /$(MAKEFLAGS) -f makefile.nmake +# +# 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.nmake +include ../Makefile.preinc.nmake +include Makefile.common +include ../Makefile.inc.nmake + diff --git a/epan/dissectors/asn1/sv/packet-sv-template.c b/epan/dissectors/asn1/sv/packet-sv-template.c new file mode 100644 index 0000000000..3690ce20ba --- /dev/null +++ b/epan/dissectors/asn1/sv/packet-sv-template.c @@ -0,0 +1,340 @@ +/* packet-sv.c + * Routines for IEC 61850 Sampled Values packet dissection + * Michael Bernhard 2008 + * + * 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 <epan/packet.h> +#include <epan/asn1.h> +#include <epan/etypes.h> +#include <epan/expert.h> +#include <epan/prefs.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 (0x0U << 0) +#define Q_VALIDITY_INVALID (0x1U << 0) +#define Q_VALIDITY_QUESTIONABLE (0x3U << 0) +#define Q_VALIDITY_MASK (0x3U << 0) + +#define Q_OVERFLOW (1U << 2) +#define Q_OUTOFRANGE (1U << 3) +#define Q_BADREFERENCE (1U << 4) +#define Q_OSCILLATORY (1U << 5) +#define Q_FAILURE (1U << 6) +#define Q_OLDDATA (1U << 7) +#define Q_INCONSISTENT (1U << 8) +#define Q_INACCURATE (1U << 9) + +#define Q_SOURCE_PROCESS (0U << 10) +#define Q_SOURCE_SUBSTITUTED (1U << 10) +#define Q_SOURCE_MASK (1U << 10) + +#define Q_TEST (1U << 11) +#define Q_OPERATORBLOCKED (1U << 12) + +/* see UCA Implementation Guideline for IEC 61850-9-2 */ +#define Q_DERIVED (1U << 13) + +void proto_register_sv(void); +void proto_reg_handoff_sv(void); + +/* 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 expert_field ei_sv_mal_utctime = EI_INIT; +static expert_field ei_sv_zero_pdu = EI_INIT; + +static gboolean sv_decode_data_as_phsmeas = FALSE; + +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 ber_class; + gboolean pc; + gint32 tag; + guint32 len; + proto_tree *subtree; + 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, &ber_class, &pc, &tag); + offset=dissect_ber_length(pinfo, tree, tvb, offset, &len, NULL); + } else { + len=tvb_reported_length_remaining(tvb, offset); + } + + subtree = proto_tree_add_subtree(tree, tvb, offset, len, ett_phsmeas, NULL, "PhsMeas1"); + + 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, ENC_BIG_ENDIAN); + proto_tree_add_bitmask(subtree, tvb, offset + 4, hf_sv_phsmeas_q, ett_phsmeas_q, q_flags, ENC_BIG_ENDIAN); + + 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 int +dissect_sv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_) +{ + int offset = 0; + int old_offset; + proto_item *item; + proto_tree *tree; + asn1_ctx_t asn1_ctx; + + asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); + + item = proto_tree_add_item(parent_tree, proto_sv, tvb, 0, -1, ENC_NA); + tree = proto_item_add_subtree(item, ett_sv); + + col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME); + col_clear(pinfo->cinfo, COL_INFO); + + /* APPID */ + proto_tree_add_item(tree, hf_sv_appid, tvb, offset, 2, ENC_BIG_ENDIAN); + + /* Length */ + proto_tree_add_item(tree, hf_sv_length, tvb, offset + 2, 2, ENC_BIG_ENDIAN); + + /* Reserved 1 */ + proto_tree_add_item(tree, hf_sv_reserve1, tvb, offset + 4, 2, ENC_BIG_ENDIAN); + + /* Reserved 2 */ + proto_tree_add_item(tree, hf_sv_reserve2, tvb, offset + 6, 2, ENC_BIG_ENDIAN); + + offset = 8; + while (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_expert(tree, pinfo, &ei_sv_zero_pdu, tvb, offset, -1); + break; + } + } + + tap_queue_packet(sv_tap, pinfo, &sv_data); + return tvb_captured_length(tvb); +} + + +/*--- 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" + }; + + static ei_register_info ei[] = { + { &ei_sv_mal_utctime, { "sv.malformed.utctime", PI_MALFORMED, PI_WARN, "BER Error: malformed UTCTime encoding", EXPFILL }}, + { &ei_sv_zero_pdu, { "sv.zero_pdu", PI_PROTOCOL, PI_ERROR, "Internal error, zero-byte SV PDU", EXPFILL }}, + }; + + expert_module_t* expert_sv; + module_t *sv_module; + + /* 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)); + expert_sv = expert_register_protocol(proto_sv); + expert_register_field_array(expert_sv, ei, array_length(ei)); + sv_module = prefs_register_protocol(proto_sv, NULL); + prefs_register_bool_preference(sv_module, "decode_data_as_phsmeas", + "Force decoding of seqData as PhsMeas", + NULL, &sv_decode_data_as_phsmeas); + + /* 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_uint("ethertype", ETHERTYPE_IEC61850_SV, sv_handle); +} diff --git a/epan/dissectors/asn1/sv/packet-sv-template.h b/epan/dissectors/asn1/sv/packet-sv-template.h new file mode 100644 index 0000000000..d19b86528c --- /dev/null +++ b/epan/dissectors/asn1/sv/packet-sv-template.h @@ -0,0 +1,42 @@ +/* packet-sv.h + * Routines for IEC 61850 Sampled Vales packet dissection + * Michael Bernhard 2008 + * + * 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. + */ + +#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]; + guint16 smpMod; +} sv_frame_data; + +#endif /*__PACKET_SV_H__*/ diff --git a/epan/dissectors/asn1/sv/sv.asn b/epan/dissectors/asn1/sv/sv.asn new file mode 100644 index 0000000000..cf67100d3e --- /dev/null +++ b/epan/dissectors/asn1/sv/sv.asn @@ -0,0 +1,28 @@ +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, + datSet [1] IMPLICIT VisibleString OPTIONAL, + smpCnt [2] IMPLICIT INTEGER(0..65535), + confRef [3] IMPLICIT INTEGER(0..4294967295), + refrTm [4] IMPLICIT UtcTime OPTIONAL, + smpSynch [5] IMPLICIT INTEGER{none(0),local(1),global(2)} OPTIONAL, + smpRate [6] IMPLICIT INTEGER(0..65535) OPTIONAL, + seqData [7] IMPLICIT Data, + smpMod [8] IMPLICIT INTEGER{samplesPerNormalPeriod(0),samplesPerSecond(1),secondsPerSample(2)} OPTIONAL, + ... +} +UtcTime ::= OCTET STRING +Data ::= OCTET STRING +END + diff --git a/epan/dissectors/asn1/sv/sv.cnf b/epan/dissectors/asn1/sv/sv.cnf new file mode 100644 index 0000000000..4b96de73e1 --- /dev/null +++ b/epan/dissectors/asn1/sv/sv.cnf @@ -0,0 +1,84 @@ +# sv.cnf +# SampledValue conformation file + +#.MODULE_IMPORT + +#.EXPORTS + +#.PDU + +#.NO_EMIT ONLY_VALS +SampledValues + +#.TYPE_RENAME + +#.FIELD_RENAME + +#.FN_BODY ASDU/smpCnt VAL_PTR = &value + guint32 value; +%(DEFAULT_BODY)s + sv_data.smpCnt = value; +#.END + +#.FN_BODY UtcTime + 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_format(tree, actx->pinfo, &ei_sv_mal_utctime, tvb, offset, len, + "BER Error: malformed UTCTime encoding, length must be 8 bytes"); + 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); + } + offset += 8; + return offset; +#.END + +#.TYPE_ATTR +UtcTime TYPE = FT_STRING DISPLAY = BASE_NONE + +#.FN_BODY ASDU/smpSynch VAL_PTR = &value + guint32 value; +%(DEFAULT_BODY)s + sv_data.smpSynch = value; +#.END + +#.FN_BODY ASDU/smpMod VAL_PTR = &value + guint32 value; +%(DEFAULT_BODY)s + sv_data.smpMod = value; +#.END + +#.FN_BODY Data + if (sv_decode_data_as_phsmeas) { + offset = dissect_PhsMeas1(implicit_tag, actx->pinfo, tree, tvb, offset, hf_index); + } else { + offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); + } +#.END + +#.END_OF_CNF |