/epan/dissectors/packet-dnp.c
C | 4190 lines | 3199 code | 570 blank | 421 comment | 160 complexity | 7a6f393440ba0f929e503195337d5919 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause
- /* packet-dnp.c
- * Routines for DNP dissection
- * Copyright 2003, 2006, 2007, Graham Bloice <graham.bloice@trihedral.com>
- *
- * DNP3.0 Application Layer Object dissection added by Chris Bontje (chrisbontje@shaw.ca)
- * Copyright 2005
- *
- * Major updates: tcp and application layer defragmentation, more object dissections by Graham Bloice
- *
- * $Id$
- *
- * Wireshark - Network traffic analyzer
- * By Gerald Combs <gerald@wireshark.org>
- * Copyright 1998 Gerald Combs
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "config.h"
- #include <string.h>
- #include <math.h>
- #include <glib.h>
- #include <epan/packet.h>
- #include <epan/prefs.h>
- #include <epan/reassemble.h>
- #include <epan/emem.h>
- #include <epan/dissectors/packet-tcp.h>
- #include <epan/conversation.h>
- #include <epan/expert.h>
- /*
- * See
- *
- * http://www.dnp.org/
- *
- * although note that you have to join the DNP organization to get to
- * see the protocol specs online - otherwise, you have to buy a
- * dead-tree version.
- *
- * ...Application Layer Notes...
- *
- * Application Layer Decoding based on information available in
- * DNP3 Basic 4 Documentation Set, specifically the document:
- * "DNP V3.00 Application Layer" v0.03 P009-0PD.APP & Technical Bulletins
- *
- * ---------------------------------------------------------------------------
- *
- * Several command codes were missing, causing the dissector to abort decoding
- * on valid packets. Those commands have been added.
- *
- * The semantics of Variation 0 have been cleaned up. Variation 0 is the
- * "Default Variation". It is used only in Master -> Slave read commands
- * to request the data in whatever variation the Slave is configured to use by
- * default. Decoder strings have been added to the Binary Output and
- * Analog Output objects (10 and 40) so that group read commands will
- * decode properly.
- *
- * Roy M. Silvernail <roy@rant-central.com> 01/05/2009
- *
- */
- /***************************************************************************/
- /* DNP 3.0 Constants */
- /***************************************************************************/
- #define DNP_HDR_LEN 10
- #define TCP_PORT_DNP 20000
- #define UDP_PORT_DNP 20000
- /***************************************************************************/
- /* Datalink and Transport Layer Bit-Masks */
- /***************************************************************************/
- #define DNP3_CTL_DIR 0x80
- #define DNP3_CTL_PRM 0x40
- #define DNP3_CTL_FCB 0x20
- #define DNP3_CTL_FCV 0x10
- #define DNP3_CTL_RES 0x20
- #define DNP3_CTL_DFC 0x10
- #define DNP3_CTL_FUNC 0x0f
- #define DNP3_TR_FIR 0x40
- #define DNP3_TR_FIN 0x80
- #define DNP3_TR_SEQ 0x3f
- #define AL_MAX_CHUNK_SIZE 16
- /***************************************************************************/
- /* Data Link Function codes */
- /***************************************************************************/
- /* Primary to Secondary */
- #define DL_FUNC_RESET_LINK 0x00
- #define DL_FUNC_RESET_PROC 0x01
- #define DL_FUNC_TEST_LINK 0x02
- #define DL_FUNC_USER_DATA 0x03
- #define DL_FUNC_UNC_DATA 0x04
- #define DL_FUNC_LINK_STAT 0x09
- /* Secondary to Primary */
- #define DL_FUNC_ACK 0x00
- #define DL_FUNC_NACK 0x01
- #define DL_FUNC_STAT_LINK 0x0B
- #define DL_FUNC_NO_FUNC 0x0E
- #define DL_FUNC_NOT_IMPL 0x0F
- /***************************************************************************/
- /* Application Layer Bit-Masks */
- /***************************************************************************/
- #define DNP3_AL_UNS 0x10
- #define DNP3_AL_CON 0x20
- #define DNP3_AL_FIN 0x40
- #define DNP3_AL_FIR 0x80
- #define DNP3_AL_SEQ 0x0f
- #define DNP3_AL_FUNC 0xff
- /***************************************************************************/
- /* Application Layer Function codes */
- /***************************************************************************/
- #define AL_FUNC_CONFIRM 0x00 /* 00 - Confirm */
- #define AL_FUNC_READ 0x01 /* 01 - Read */
- #define AL_FUNC_WRITE 0x02 /* 02 - Write */
- #define AL_FUNC_SELECT 0x03 /* 03 - Select */
- #define AL_FUNC_OPERATE 0x04 /* 04 - Operate */
- #define AL_FUNC_DIROP 0x05 /* 05 - Direct Operate */
- #define AL_FUNC_DIROPNACK 0x06 /* 06 - Direct Operate No ACK */
- #define AL_FUNC_FRZ 0x07 /* 07 - Immediate Freeze */
- #define AL_FUNC_FRZNACK 0x08 /* 08 - Immediate Freeze No ACK */
- #define AL_FUNC_FRZCLR 0x09 /* 09 - Freeze and Clear */
- #define AL_FUNC_FRZCLRNACK 0x0A /* 10 - Freeze and Clear No ACK */
- #define AL_FUNC_FRZT 0x0B /* 11 - Freeze With Time */
- #define AL_FUNC_FRZTNACK 0x0C /* 12 - Freeze With Time No ACK */
- #define AL_FUNC_COLDRST 0x0D /* 13 - Cold Restart */
- #define AL_FUNC_WARMRST 0x0E /* 14 - Warm Restart */
- #define AL_FUNC_INITDATA 0x0F /* 15 - Initialize Data */
- #define AL_FUNC_INITAPP 0x10 /* 16 - Initialize Application */
- #define AL_FUNC_STARTAPP 0x11 /* 17 - Start Application */
- #define AL_FUNC_STOPAPP 0x12 /* 18 - Stop Application */
- #define AL_FUNC_SAVECFG 0x13 /* 19 - Save Configuration */
- #define AL_FUNC_ENSPMSG 0x14 /* 20 - Enable Spontaneous Msg */
- #define AL_FUNC_DISSPMSG 0x15 /* 21 - Disable Spontaneous Msg */
- #define AL_FUNC_ASSIGNCL 0x16 /* 22 - Assign Classes */
- #define AL_FUNC_DELAYMST 0x17 /* 23 - Delay Measurement */
- #define AL_FUNC_RECCT 0x18 /* 24 - Record Current Time */
- #define AL_FUNC_OPENFILE 0x19 /* 25 - Open File */
- #define AL_FUNC_CLOSEFILE 0x1A /* 26 - Close File */
- #define AL_FUNC_DELETEFILE 0x1B /* 27 - Delete File */
- #define AL_FUNC_GETFILEINF 0x1C /* 28 - Get File Info */
- #define AL_FUNC_AUTHFILE 0x1D /* 29 - Authenticate File */
- #define AL_FUNC_ABORTFILE 0x1E /* 30 - Abort File */
- #define AL_FUNC_ACTCNF 0x1F /* 31 - Activate Config */
- #define AL_FUNC_AUTHREQ 0x20 /* 32 - Authentication Request */
- #define AL_FUNC_AUTHERR 0x21 /* 33 - Authentication Error */
- #define AL_FUNC_RESPON 0x81 /* 129 - Response */
- #define AL_FUNC_UNSOLI 0x82 /* 130 - Unsolicited Response */
- #define AL_FUNC_AUTHRESP 0x83 /* 131 - Authentication Response */
- /***************************************************************************/
- /* Application Layer Internal Indication (IIN) bits */
- /* 2 Bytes, message formatting: [First Octet] | [Second Octet] */
- /***************************************************************************/
- /* Octet 1 */
- #define AL_IIN_BMSG 0x0100 /* Bit 0 - Broadcast message rx'd */
- #define AL_IIN_CLS1D 0x0200 /* Bit 1 - Class 1 Data Available */
- #define AL_IIN_CLS2D 0x0400 /* Bit 2 - Class 2 Data Available */
- #define AL_IIN_CLS3D 0x0800 /* Bit 3 - Class 3 Data Available */
- #define AL_IIN_TSR 0x1000 /* Bit 4 - Time Sync Req'd from Master */
- #define AL_IIN_DOL 0x2000 /* Bit 5 - Outputs in Local Mode */
- #define AL_IIN_DT 0x4000 /* Bit 6 - Device Trouble */
- #define AL_IIN_RST 0x8000 /* Bit 7 - Device Restart */
- /* Octet 2 */
- #define AL_IIN_FCNI 0x0001 /* Bit 0 - Function code not implemented */
- #define AL_IIN_OBJU 0x0002 /* Bit 1 - Requested Objects Unknown */
- #define AL_IIN_PIOOR 0x0004 /* Bit 2 - Parameters Invalid or Out of Range */
- #define AL_IIN_EBO 0x0008 /* Bit 3 - Event Buffer Overflow */
- #define AL_IIN_OAE 0x0010 /* Bit 4 - Operation Already Executing */
- #define AL_IIN_CC 0x0020 /* Bit 5 - Device Configuration Corrupt */
- /* 0x0040 Bit 6 - Reserved */
- /* 0x0080 Bit 7 - Reserved */
- /***************************************************************************/
- /* Application Layer Data Object Qualifier */
- /***************************************************************************/
- /* Bit-Masks */
- #define AL_OBJQ_INDEX 0x70 /* x111xxxx Masks Index from Qualifier */
- #define AL_OBJQ_CODE 0x0F /* xxxx1111 Masks Code from Qualifier */
- /* Index Size (3-bits x111xxxx) */
- /* When Qualifier Code != 11 */
- #define AL_OBJQL_IDX_NI 0x00 /* Objects are Packed with no index */
- #define AL_OBJQL_IDX_1O 0x01 /* Objects are prefixed w/ 1-octet index */
- #define AL_OBJQL_IDX_2O 0x02 /* Objects are prefixed w/ 2-octet index */
- #define AL_OBJQL_IDX_4O 0x03 /* Objects are prefixed w/ 4-octet index */
- #define AL_OBJQL_IDX_1OS 0x04 /* Objects are prefixed w/ 1-octet object size */
- #define AL_OBJQL_IDX_2OS 0x05 /* Objects are prefixed w/ 2-octet object size */
- #define AL_OBJQL_IDX_4OS 0x06 /* Objects are prefixed w/ 4-octet object size */
- /* When Qualifier Code == 11 */
- #define AL_OBJQL_IDX11_1OIS 0x01 /* 1 octet identifier size */
- #define AL_OBJQL_IDX11_2OIS 0x02 /* 2 octet identifier size */
- #define AL_OBJQL_IDX11_4OIS 0x03 /* 4 octet identifier size */
- /* Qualifier Code (4-bits) */
- /* 4-bits ( xxxx1111 ) */
- #define AL_OBJQL_CODE_SSI8 0x00 /* 00 8-bit Start and Stop Indices in Range Field */
- #define AL_OBJQL_CODE_SSI16 0x01 /* 01 16-bit Start and Stop Indices in Range Field */
- #define AL_OBJQL_CODE_SSI32 0x02 /* 02 32-bit Start and Stop Indices in Range Field */
- #define AL_OBJQL_CODE_AA8 0x03 /* 03 8-bit Absolute Address in Range Field */
- #define AL_OBJQL_CODE_AA16 0x04 /* 04 16-bit Absolute Address in Range Field */
- #define AL_OBJQL_CODE_AA32 0x05 /* 05 32-bit Absolute Address in Range Field */
- #define AL_OBJQL_CODE_R0 0x06 /* 06 Length of Range field is 0 (no range field) */
- #define AL_OBJQL_CODE_SF8 0x07 /* 07 8-bit Single Field Quantity */
- #define AL_OBJQL_CODE_SF16 0x08 /* 08 16-bit Single Field Quantity */
- #define AL_OBJQL_CODE_SF32 0x09 /* 09 32-bit Single Field Quantity */
- /* 0x0A 10 Reserved */
- #define AL_OBJQL_CODE_FF 0x0B /* 11 Free-format Qualifier, range field has 1 octet count of objects */
- /* 0x0C 12 Reserved */
- /* 0x0D 13 Reserved */
- /* 0x0E 14 Reserved */
- /* 0x0F 15 Reserved */
- /***************************************************************************/
- /* Application Layer Data Object Definitions */
- /***************************************************************************/
- /* Binary Input Objects */
- #define AL_OBJ_BI_ALL 0x0100 /* 01 00 Binary Input Default Variation */
- #define AL_OBJ_BI_1BIT 0x0101 /* 01 01 Single-bit Binary Input */
- #define AL_OBJ_BI_STAT 0x0102 /* 01 02 Binary Input With Status */
- #define AL_OBJ_BIC_ALL 0x0200 /* 02 00 Binary Input Change Default Variation */
- #define AL_OBJ_BIC_NOTIME 0x0201 /* 02 01 Binary Input Change Without Time */
- #define AL_OBJ_BIC_TIME 0x0202 /* 02 02 Binary Input Change With Time */
- #define AL_OBJ_BIC_RTIME 0x0203 /* 02 03 Binary Input Change With Relative Time */
- /* Double-bit Input Objects */
- #define AL_OBJ_2BI_ALL 0x0300 /* 03 00 Double-bit Input Default Variation */
- #define AL_OBJ_2BI_NF 0x0301 /* 03 01 Double-bit Input No Flags */
- #define AL_OBJ_2BI_STAT 0x0302 /* 03 02 Double-bit Input With Status */
- #define AL_OBJ_2BIC_NOTIME 0x0401 /* 04 01 Double-bit Input Change Without Time */
- #define AL_OBJ_2BIC_TIME 0x0402 /* 04 02 Double-bit Input Change With Time */
- #define AL_OBJ_2BIC_RTIME 0x0403 /* 04 03 Double-bit Input Change With Relative Time */
- /* Binary Input Quality Flags */
- #define AL_OBJ_BI_FLAG0 0x0001 /* Point Online (0=Offline; 1=Online) */
- #define AL_OBJ_BI_FLAG1 0x0002 /* Restart (0=Normal; 1=Restart) */
- #define AL_OBJ_BI_FLAG2 0x0004 /* Comms Lost (0=Normal; 1=Lost) */
- #define AL_OBJ_BI_FLAG3 0x0008 /* Remote Force (0=Normal; 1=Forced) */
- #define AL_OBJ_BI_FLAG4 0x0010 /* Local Force (0=Normal; 1=Forced) */
- #define AL_OBJ_BI_FLAG5 0x0020 /* Chatter Filter (0=Normal; 1=Filter On) */
- #define AL_OBJ_BI_FLAG6 0x0040 /* Double-bit LSB (0=Off; 1=On) */
- #define AL_OBJ_BI_FLAG7 0x0080 /* Point State (0=Off; 1=On) or Double-bit MSB */
- /***************************************************************************/
- /* Binary Output Objects */
- #define AL_OBJ_BO_ALL 0x0A00 /* 10 00 Binary Output Default Variation */
- #define AL_OBJ_BO 0x0A01 /* 10 01 Binary Output */
- #define AL_OBJ_BO_STAT 0x0A02 /* 10 02 Binary Output Status */
- #define AL_OBJ_BOC_ALL 0x0B00 /* 11 00 Binary Output Change Default Variation */
- #define AL_OBJ_BOC_NOTIME 0x0B01 /* 11 01 Binary Output Change Without Time */
- #define AL_OBJ_BOC_TIME 0x0B02 /* 11 02 Binary Output Change With Time */
- #define AL_OBJ_CTLOP_BLK 0x0C01 /* 12 01 Control Relay Output Block */
- /* 0x0C02 12 02 Pattern Control Block */
- /* 0x0C03 12 03 Pattern Mask */
- #define AL_OBJCTLC_CODE 0x0F /* Bit-Mask xxxx1111 for Control Code 'Code' */
- #define AL_OBJCTLC_MISC 0x30 /* Bit-Mask xx11xxxx for Control Code Queue (obsolete) and Clear Fields */
- #define AL_OBJCTLC_TC 0xC0 /* Bit-Mask 11xxxxxx for Control Code 'Trip/Close' */
- #define AL_OBJCTLC_CODE0 0x00 /* xxxx0000 NUL Operation; only process R attribute */
- #define AL_OBJCTLC_CODE1 0x01 /* xxxx0001 Pulse On ^On-Time -> vOff-Time, remain off */
- #define AL_OBJCTLC_CODE2 0x02 /* xxxx0010 Pulse Off vOff-Time -> ^On-Time, remain on */
- #define AL_OBJCTLC_CODE3 0x03 /* xxxx0011 Latch On */
- #define AL_OBJCTLC_CODE4 0x04 /* xxxx0100 Latch Off */
- /* 0x05-0x15 Reserved */
- #define AL_OBJCTLC_NOTSET 0x00 /* xx00xxxx for Control Code, Clear and Queue not set */
- #define AL_OBJCTLC_QUEUE 0x01 /* xxx1xxxx for Control Code, Clear Field 'Queue' */
- #define AL_OBJCTLC_CLEAR 0x02 /* xx1xxxxx for Control Code, Clear Field 'Clear' */
- #define AL_OBJCTLC_BOTHSET 0x03 /* xx11xxxx for Control Code, Clear and Queue both set */
- #define AL_OBJCTLC_TC0 0x00 /* 00xxxxxx NUL */
- #define AL_OBJCTLC_TC1 0x01 /* 01xxxxxx Close */
- #define AL_OBJCTLC_TC2 0x02 /* 10xxxxxx Trip */
- #define AL_OBJCTLC_TC3 0x03 /* 11xxxxxx Reserved */
- #define AL_OBJCTL_STAT0 0x00 /* Request Accepted, Initiated or Queued */
- #define AL_OBJCTL_STAT1 0x01 /* Request Not Accepted; Arm-timer expired */
- #define AL_OBJCTL_STAT2 0x02 /* Request Not Accepted; No 'SELECT' rx'd */
- #define AL_OBJCTL_STAT3 0x03 /* Request Not Accepted; Format errors in ctrl request */
- #define AL_OBJCTL_STAT4 0x04 /* Control Operation Not Supported for this point */
- #define AL_OBJCTL_STAT5 0x05 /* Request Not Accepted; Ctrl Queue full or pt. active */
- #define AL_OBJCTL_STAT6 0x06 /* Request Not Accepted; Ctrl HW Problems */
- #define AL_OBJCTL_STAT7 0x07 /* Request Not Accepted; Local/Remote switch in Local*/
- #define AL_OBJCTL_STAT8 0x08 /* Request Not Accepted; Too many operations requested */
- #define AL_OBJCTL_STAT9 0x09 /* Request Not Accepted; Insufficient authorization */
- #define AL_OBJCTL_STAT10 0x0A /* Request Not Accepted; Local automation proc active */
- /* Binary Output Quality Flags */
- #define AL_OBJ_BO_FLAG0 0x0001 /* Point Online (0=Offline; 1=Online) */
- #define AL_OBJ_BO_FLAG1 0x0002 /* Restart (0=Normal; 1=Restart) */
- #define AL_OBJ_BO_FLAG2 0x0004 /* Comms Lost (0=Normal; 1=Lost) */
- #define AL_OBJ_BO_FLAG3 0x0008 /* Remote Force (0=Normal; 1=Forced) */
- #define AL_OBJ_BO_FLAG4 0x0010 /* Local Force (0=Normal; 1=Forced) */
- #define AL_OBJ_BO_FLAG5 0x0020 /* Reserved */
- #define AL_OBJ_BO_FLAG6 0x0040 /* Reserved */
- #define AL_OBJ_BO_FLAG7 0x0080 /* Point State (0=Off; 1=On) */
- /***************************************************************************/
- /* Counter Objects */
- #define AL_OBJ_CTR_ALL 0x1400 /* 20 00 Binary Counter Default Variation */
- #define AL_OBJ_CTR_32 0x1401 /* 20 01 32-Bit Binary Counter */
- #define AL_OBJ_CTR_16 0x1402 /* 20 02 16-Bit Binary Counter */
- #define AL_OBJ_DCTR_32 0x1403 /* 20 03 32-Bit Delta Counter */
- #define AL_OBJ_DCTR_16 0x1404 /* 20 04 16-Bit Delta Counter */
- #define AL_OBJ_CTR_32NF 0x1405 /* 20 05 32-Bit Binary Counter Without Flag */
- #define AL_OBJ_CTR_16NF 0x1406 /* 20 06 16-Bit Binary Counter Without Flag */
- #define AL_OBJ_DCTR_32NF 0x1407 /* 20 07 32-Bit Delta Counter Without Flag */
- #define AL_OBJ_DCTR_16NF 0x1408 /* 20 08 16-Bit Delta Counter Without Flag */
- #define AL_OBJ_FCTR_ALL 0x1500 /* 21 00 Frozen Binary Counter Default Variation */
- #define AL_OBJ_FCTR_32 0x1501 /* 21 01 32-Bit Frozen Counter */
- #define AL_OBJ_FCTR_16 0x1502 /* 21 02 16-Bit Frozen Counter */
- #define AL_OBJ_FDCTR_32 0x1503 /* 21 03 32-Bit Frozen Delta Counter */
- #define AL_OBJ_FDCTR_16 0x1504 /* 21 04 16-Bit Frozen Delta Counter */
- #define AL_OBJ_FCTR_32T 0x1505 /* 21 05 32-Bit Frozen Counter w/ Time of Freeze */
- #define AL_OBJ_FCTR_16T 0x1506 /* 21 06 16-Bit Frozen Counter w/ Time of Freeze */
- #define AL_OBJ_FDCTR_32T 0x1507 /* 21 07 32-Bit Frozen Delta Counter w/ Time of Freeze */
- #define AL_OBJ_FDCTR_16T 0x1508 /* 21 08 16-Bit Frozen Delta Counter w/ Time of Freeze */
- #define AL_OBJ_FCTR_32NF 0x1509 /* 21 09 32-Bit Frozen Counter Without Flag */
- #define AL_OBJ_FCTR_16NF 0x150A /* 21 10 16-Bit Frozen Counter Without Flag */
- #define AL_OBJ_FDCTR_32NF 0x150B /* 21 11 32-Bit Frozen Delta Counter Without Flag */
- #define AL_OBJ_FDCTR_16NF 0x150C /* 21 12 16-Bit Frozen Delta Counter Without Flag */
- #define AL_OBJ_CTRC_ALL 0x1600 /* 22 00 Counter Change Event Default Variation */
- #define AL_OBJ_CTRC_32 0x1601 /* 22 01 32-Bit Counter Change Event w/o Time */
- #define AL_OBJ_CTRC_16 0x1602 /* 22 02 16-Bit Counter Change Event w/o Time */
- #define AL_OBJ_DCTRC_32 0x1603 /* 22 03 32-Bit Delta Counter Change Event w/o Time */
- #define AL_OBJ_DCTRC_16 0x1604 /* 22 04 16-Bit Delta Counter Change Event w/o Time */
- #define AL_OBJ_CTRC_32T 0x1605 /* 22 05 32-Bit Counter Change Event with Time */
- #define AL_OBJ_CTRC_16T 0x1606 /* 22 06 16-Bit Counter Change Event with Time */
- #define AL_OBJ_DCTRC_32T 0x1607 /* 22 07 32-Bit Delta Counter Change Event with Time */
- #define AL_OBJ_DCTRC_16T 0x1608 /* 22 08 16-Bit Delta Counter Change Event with Time */
- #define AL_OBJ_FCTRC_ALL 0x1700 /* 21 00 Frozen Binary Counter Change Event Default Variation */
- #define AL_OBJ_FCTRC_32 0x1701 /* 21 01 32-Bit Frozen Counter Change Event */
- #define AL_OBJ_FCTRC_16 0x1702 /* 21 02 16-Bit Frozen Counter Change Event */
- #define AL_OBJ_FDCTRC_32 0x1703 /* 21 03 32-Bit Frozen Delta Counter Change Event */
- #define AL_OBJ_FDCTRC_16 0x1704 /* 21 04 16-Bit Frozen Delta Counter Change Event */
- #define AL_OBJ_FCTRC_32T 0x1705 /* 21 05 32-Bit Frozen Counter Change Event w/ Time of Freeze */
- #define AL_OBJ_FCTRC_16T 0x1706 /* 21 06 16-Bit Frozen Counter Change Event w/ Time of Freeze */
- #define AL_OBJ_FDCTRC_32T 0x1707 /* 21 07 32-Bit Frozen Delta Counter Change Event w/ Time of Freeze */
- #define AL_OBJ_FDCTRC_16T 0x1708 /* 21 08 16-Bit Frozen Delta Counter Change Event w/ Time of Freeze */
- /* Counter Quality Flags */
- #define AL_OBJ_CTR_FLAG0 0x0001 /* Point Online (0=Offline; 1=Online) */
- #define AL_OBJ_CTR_FLAG1 0x0002 /* Restart (0=Normal; 1=Restart) */
- #define AL_OBJ_CTR_FLAG2 0x0004 /* Comms Lost (0=Normal; 1=Lost) */
- #define AL_OBJ_CTR_FLAG3 0x0008 /* Remote Force (0=Normal; 1=Forced) */
- #define AL_OBJ_CTR_FLAG4 0x0010 /* Local Force (0=Normal; 1=Forced) */
- #define AL_OBJ_CTR_FLAG5 0x0020 /* Roll-over (0=Normal; 1=Roll-Over) */
- #define AL_OBJ_CTR_FLAG6 0x0040 /* Discontinuity (0=Normal; 1=Discontinuity) */
- #define AL_OBJ_CTR_FLAG7 0x0080 /* Reserved */
- /***************************************************************************/
- /* Analog Input Objects */
- #define AL_OBJ_AI_ALL 0x1E00 /* 30 00 Analog Input Default Variation */
- #define AL_OBJ_AI_32 0x1E01 /* 30 01 32-Bit Analog Input */
- #define AL_OBJ_AI_16 0x1E02 /* 30 02 16-Bit Analog Input */
- #define AL_OBJ_AI_32NF 0x1E03 /* 30 03 32-Bit Analog Input Without Flag */
- #define AL_OBJ_AI_16NF 0x1E04 /* 30 04 16-Bit Analog Input Without Flag */
- #define AL_OBJ_AI_FLT 0x1E05 /* 30 05 32-Bit Floating Point Input */
- #define AL_OBJ_AI_DBL 0x1E06 /* 30 06 64-Bit Floating Point Input */
- /* 0x1F01 31 01 32-Bit Frozen Analog Input */
- /* 0x1F02 31 02 16-Bit Frozen Analog Input */
- /* 0x1F03 31 03 32-Bit Frozen Analog Input w/ Time of Freeze */
- /* 0x1F04 31 04 16-Bit Frozen Analog Input w/ Time of Freeze */
- /* 0x1F05 31 05 32-Bit Frozen Analog Input Without Flag */
- /* 0x1F06 31 06 16-Bit Frozen Analog Input Without Flag */
- #define AL_OBJ_AIF_FLT 0x1F07 /* 31 07 32-Bit Frozen Floating Point Input */
- #define AL_OBJ_AIF_DBL 0x1F08 /* 31 08 64-Bit Frozen Floating Point Input */
- #define AL_OBJ_AIC_ALL 0x2000 /* 32 00 Analog Input Change Default Variation */
- #define AL_OBJ_AIC_32NT 0x2001 /* 32 01 32-Bit Analog Change Event w/o Time */
- #define AL_OBJ_AIC_16NT 0x2002 /* 32 02 16-Bit Analog Change Event w/o Time */
- #define AL_OBJ_AIC_32T 0x2003 /* 32 03 32-Bit Analog Change Event w/ Time */
- #define AL_OBJ_AIC_16T 0x2004 /* 32 04 16-Bit Analog Change Event w/ Time */
- #define AL_OBJ_AIC_FLTNT 0x2005 /* 32 05 32-Bit Floating Point Change Event w/o Time*/
- #define AL_OBJ_AIC_DBLNT 0x2006 /* 32 06 64-Bit Floating Point Change Event w/o Time*/
- #define AL_OBJ_AIC_FLTT 0x2007 /* 32 07 32-Bit Floating Point Change Event w/ Time*/
- #define AL_OBJ_AIC_DBLT 0x2008 /* 32 08 64-Bit Floating Point Change Event w/ Time*/
- /* 0x2101 33 01 32-Bit Frozen Analog Event w/o Time */
- /* 0x2102 33 02 16-Bit Frozen Analog Event w/o Time */
- /* 0x2103 33 03 32-Bit Frozen Analog Event w/ Time */
- /* 0x2104 33 04 16-Bit Frozen Analog Event w/ Time */
- #define AL_OBJ_AIFC_FLTNT 0x2105 /* 33 05 32-Bit Floating Point Frozen Change Event w/o Time*/
- #define AL_OBJ_AIFC_DBLNT 0x2106 /* 33 06 64-Bit Floating Point Frozen Change Event w/o Time*/
- #define AL_OBJ_AIFC_FLTT 0x2107 /* 33 07 32-Bit Floating Point Frozen Change Event w/ Time*/
- #define AL_OBJ_AIFC_DBLT 0x2108 /* 33 08 64-Bit Floating Point Frozen Change Event w/ Time*/
- /* Analog Input Quality Flags */
- #define AL_OBJ_AI_FLAG0 0x0001 /* Point Online (0=Offline; 1=Online) */
- #define AL_OBJ_AI_FLAG1 0x0002 /* Restart (0=Normal; 1=Restart) */
- #define AL_OBJ_AI_FLAG2 0x0004 /* Comms Lost (0=Normal; 1=Lost) */
- #define AL_OBJ_AI_FLAG3 0x0008 /* Remote Force (0=Normal; 1=Forced) */
- #define AL_OBJ_AI_FLAG4 0x0010 /* Local Force (0=Normal; 1=Forced) */
- #define AL_OBJ_AI_FLAG5 0x0020 /* Over-Range (0=Normal; 1=Over-Range) */
- #define AL_OBJ_AI_FLAG6 0x0040 /* Reference Check (0=Normal; 1=Error) */
- #define AL_OBJ_AI_FLAG7 0x0080 /* Reserved */
- #define AL_OBJ_AIDB_ALL 0x2200 /* 34 00 Analog Input Deadband Default Variation */
- #define AL_OBJ_AIDB_16 0x2201 /* 34 01 16-Bit Analog Input Deadband */
- #define AL_OBJ_AIDB_32 0x2202 /* 34 02 32-Bit Analog Input Deadband */
- #define AL_OBJ_AIDB_FLT 0x2203 /* 34 03 Floating Point Analog Input Deadband */
- /***************************************************************************/
- /* Analog Output Objects */
- #define AL_OBJ_AO_ALL 0x2800 /* 40 00 Analog Output Default Variation */
- #define AL_OBJ_AO_32 0x2801 /* 40 01 32-Bit Analog Output Status */
- #define AL_OBJ_AO_16 0x2802 /* 40 02 16-Bit Analog Output Status */
- #define AL_OBJ_AO_FLT 0x2803 /* 40 03 32-Bit Floating Point Output Status */
- #define AL_OBJ_AO_DBL 0x2804 /* 40 04 64-Bit Floating Point Output Status */
- #define AL_OBJ_AO_32OPB 0x2901 /* 41 01 32-Bit Analog Output Block */
- #define AL_OBJ_AO_16OPB 0x2902 /* 41 02 16-Bit Analog Output Block */
- #define AL_OBJ_AO_FLTOPB 0x2903 /* 41 03 32-Bit Floating Point Output Block */
- #define AL_OBJ_AO_DBLOPB 0x2904 /* 41 04 64-Bit Floating Point Output Block */
- #define AL_OBJ_AOC_ALL 0x2A00 /* 42 00 Analog Output Event Default Variation */
- #define AL_OBJ_AOC_32NT 0x2A01 /* 42 01 32-Bit Analog Output Event w/o Time */
- #define AL_OBJ_AOC_16NT 0x2A02 /* 42 02 16-Bit Analog Output Event w/o Time */
- #define AL_OBJ_AOC_32T 0x2A03 /* 42 03 32-Bit Analog Output Event w/ Time */
- #define AL_OBJ_AOC_16T 0x2A04 /* 42 04 16-Bit Analog Output Event w/ Time */
- #define AL_OBJ_AOC_FLTNT 0x2A05 /* 42 05 32-Bit Floating Point Output Event w/o Time*/
- #define AL_OBJ_AOC_DBLNT 0x2A06 /* 42 06 64-Bit Floating Point Output Event w/o Time*/
- #define AL_OBJ_AOC_FLTT 0x2A07 /* 42 07 32-Bit Floating Point Output Event w/ Time*/
- #define AL_OBJ_AOC_DBLT 0x2A08 /* 42 08 64-Bit Floating Point Output Event w/ Time*/
- /* Analog Output Quality Flags */
- #define AL_OBJ_AO_FLAG0 0x0001 /* Point Online (0=Offline; 1=Online) */
- #define AL_OBJ_AO_FLAG1 0x0002 /* Restart (0=Normal; 1=Restart) */
- #define AL_OBJ_AO_FLAG2 0x0004 /* Comms Lost (0=Normal; 1=Lost) */
- #define AL_OBJ_AO_FLAG3 0x0008 /* Remote Force (0=Normal; 1=Forced) */
- #define AL_OBJ_AO_FLAG4 0x0010 /* Local Force (0=Normal; 1=Forced) */
- #define AL_OBJ_AO_FLAG5 0x0020 /* Reserved */
- #define AL_OBJ_AO_FLAG6 0x0040 /* Reserved */
- #define AL_OBJ_AO_FLAG7 0x0080 /* Reserved */
- /***************************************************************************/
- /* Time Objects */
- #define AL_OBJ_TD_ALL 0x3200 /* 50 00 Time and Date Default Variation */
- #define AL_OBJ_TD 0x3201 /* 50 01 Time and Date */
- #define AL_OBJ_TDI 0x3202 /* 50 02 Time and Date w/ Interval */
- #define AL_OBJ_TDR 0x3203 /* 50 03 Last Recorded Time and Date */
- #define AL_OBJ_TDCTO 0x3301 /* 51 01 Time and Date CTO */
- #define AL_OBJ_UTDCTO 0x3302 /* 51 02 Unsynchronized Time and Date CTO */
- #define AL_OBJ_TDELAYC 0x3401 /* 52 01 Time Delay Coarse */
- #define AL_OBJ_TDELAYF 0x3402 /* 52 02 Time Delay Fine */
- /***************************************************************************/
- /* Class Data Objects */
- #define AL_OBJ_CLASS0 0x3C01 /* 60 01 Class 0 Data */
- #define AL_OBJ_CLASS1 0x3C02 /* 60 02 Class 1 Data */
- #define AL_OBJ_CLASS2 0x3C03 /* 60 03 Class 2 Data */
- #define AL_OBJ_CLASS3 0x3C04 /* 60 04 Class 3 Data */
- /***************************************************************************/
- /* File Objects */
- #define AL_OBJ_FILE_CMD 0x4603 /* 70 03 File Control - Command */
- #define AL_OBJ_FILE_STAT 0x4604 /* 70 04 File Control - Status */
- #define AL_OBJ_FILE_TRANS 0x4605 /* 70 05 File Control - Transport */
- #define AL_OBJ_FILE_TRAN_ST 0x4606 /* 70 05 File Control - Transport Status */
- /* File Control Mode flags */
- #define AL_OBJ_FILE_MODE_NULL 0x00 /* NULL */
- #define AL_OBJ_FILE_MODE_READ 0x01 /* READ */
- #define AL_OBJ_FILE_MODE_WRITE 0x02 /* WRITE */
- #define AL_OBJ_FILE_MODE_APPEND 0x03 /* APPEND */
- /***************************************************************************/
- /* Device Objects */
- #define AL_OBJ_IIN 0x5001 /* 80 01 Internal Indications */
- /***************************************************************************/
- /* Octet String Objects */
- #define AL_OBJ_OCT 0x6E00 /* 110 xx Octet string */
- #define AL_OBJ_OCT_EVT 0x6F00 /* 110 xx Octet string event */
- /***************************************************************************/
- /* End of Application Layer Data Object Definitions */
- /***************************************************************************/
- void proto_register_dnp3(void);
- void proto_reg_handoff_dnp3(void);
- /* Initialize the protocol and registered fields */
- static int proto_dnp3 = -1;
- static int hf_dnp3_start = -1;
- static int hf_dnp3_len = -1;
- static int hf_dnp3_ctl = -1;
- static int hf_dnp3_ctl_prifunc = -1;
- static int hf_dnp3_ctl_secfunc = -1;
- static int hf_dnp3_ctl_dir = -1;
- static int hf_dnp3_ctl_prm = -1;
- static int hf_dnp3_ctl_fcb = -1;
- static int hf_dnp3_ctl_fcv = -1;
- static int hf_dnp3_ctl_dfc = -1;
- static int hf_dnp3_dst = -1;
- static int hf_dnp3_src = -1;
- static int hf_dnp_hdr_CRC = -1;
- static int hf_dnp_hdr_CRC_bad = -1;
- static int hf_dnp3_tr_ctl = -1;
- static int hf_dnp3_tr_fin = -1;
- static int hf_dnp3_tr_fir = -1;
- static int hf_dnp3_tr_seq = -1;
- static int hf_dnp3_al_ctl = -1;
- static int hf_dnp3_al_fir = -1;
- static int hf_dnp3_al_fin = -1;
- static int hf_dnp3_al_con = -1;
- static int hf_dnp3_al_uns = -1;
- static int hf_dnp3_al_seq = -1;
- static int hf_dnp3_al_func = -1;
- /* Added for Application Layer Decoding */
- static int hf_dnp3_al_iin = -1;
- static int hf_dnp3_al_iin_bmsg = -1;
- static int hf_dnp3_al_iin_cls1d = -1;
- static int hf_dnp3_al_iin_cls2d = -1;
- static int hf_dnp3_al_iin_cls3d = -1;
- static int hf_dnp3_al_iin_tsr = -1;
- static int hf_dnp3_al_iin_dol = -1;
- static int hf_dnp3_al_iin_dt = -1;
- static int hf_dnp3_al_iin_rst = -1;
- static int hf_dnp3_al_iin_fcni = -1;
- static int hf_dnp3_al_iin_obju = -1;
- static int hf_dnp3_al_iin_pioor = -1;
- static int hf_dnp3_al_iin_ebo = -1;
- static int hf_dnp3_al_iin_oae = -1;
- static int hf_dnp3_al_iin_cc = -1;
- static int hf_dnp3_al_obj = -1;
- static int hf_dnp3_al_objq_index = -1;
- static int hf_dnp3_al_objq_code = -1;
- static int hf_dnp3_al_range_start8 = -1;
- static int hf_dnp3_al_range_stop8 = -1;
- static int hf_dnp3_al_range_start16 = -1;
- static int hf_dnp3_al_range_stop16 = -1;
- static int hf_dnp3_al_range_start32 = -1;
- static int hf_dnp3_al_range_stop32 = -1;
- static int hf_dnp3_al_range_abs8 = -1;
- static int hf_dnp3_al_range_abs16 = -1;
- static int hf_dnp3_al_range_abs32 = -1;
- static int hf_dnp3_al_range_quant8 = -1;
- static int hf_dnp3_al_range_quant16 = -1;
- static int hf_dnp3_al_range_quant32 = -1;
- static int hf_dnp3_al_index8 = -1;
- static int hf_dnp3_al_index16 = -1;
- static int hf_dnp3_al_index32 = -1;
- static int hf_dnp3_al_size8 = -1;
- static int hf_dnp3_al_size16 = -1;
- static int hf_dnp3_al_size32 = -1;
- /*static int hf_dnp3_al_objq = -1;
- static int hf_dnp3_al_nobj = -1; */
- /* XXX - unused
- static int hf_dnp3_al_ptnum = -1; */
- static int hf_dnp3_al_biq_b0 = -1;
- static int hf_dnp3_al_biq_b1 = -1;
- static int hf_dnp3_al_biq_b2 = -1;
- static int hf_dnp3_al_biq_b3 = -1;
- static int hf_dnp3_al_biq_b4 = -1;
- static int hf_dnp3_al_biq_b5 = -1;
- static int hf_dnp3_al_biq_b6 = -1;
- static int hf_dnp3_al_biq_b7 = -1;
- static int hf_dnp3_al_boq_b0 = -1;
- static int hf_dnp3_al_boq_b1 = -1;
- static int hf_dnp3_al_boq_b2 = -1;
- static int hf_dnp3_al_boq_b3 = -1;
- static int hf_dnp3_al_boq_b4 = -1;
- static int hf_dnp3_al_boq_b5 = -1;
- static int hf_dnp3_al_boq_b6 = -1;
- static int hf_dnp3_al_boq_b7 = -1;
- static int hf_dnp3_al_ctrq_b0 = -1;
- static int hf_dnp3_al_ctrq_b1 = -1;
- static int hf_dnp3_al_ctrq_b2 = -1;
- static int hf_dnp3_al_ctrq_b3 = -1;
- static int hf_dnp3_al_ctrq_b4 = -1;
- static int hf_dnp3_al_ctrq_b5 = -1;
- static int hf_dnp3_al_ctrq_b6 = -1;
- static int hf_dnp3_al_ctrq_b7 = -1;
- static int hf_dnp3_al_aiq_b0 = -1;
- static int hf_dnp3_al_aiq_b1 = -1;
- static int hf_dnp3_al_aiq_b2 = -1;
- static int hf_dnp3_al_aiq_b3 = -1;
- static int hf_dnp3_al_aiq_b4 = -1;
- static int hf_dnp3_al_aiq_b5 = -1;
- static int hf_dnp3_al_aiq_b6 = -1;
- static int hf_dnp3_al_aiq_b7 = -1;
- static int hf_dnp3_al_aoq_b0 = -1;
- static int hf_dnp3_al_aoq_b1 = -1;
- static int hf_dnp3_al_aoq_b2 = -1;
- static int hf_dnp3_al_aoq_b3 = -1;
- static int hf_dnp3_al_aoq_b4 = -1;
- static int hf_dnp3_al_aoq_b5 = -1;
- static int hf_dnp3_al_aoq_b6 = -1;
- static int hf_dnp3_al_aoq_b7 = -1;
- static int hf_dnp3_al_timestamp = -1;
- static int hf_dnp3_al_file_perms = -1;
- static int hf_dnp3_al_file_perms_read_owner = -1;
- static int hf_dnp3_al_file_perms_write_owner = -1;
- static int hf_dnp3_al_file_perms_exec_owner = -1;
- static int hf_dnp3_al_file_perms_read_group = -1;
- static int hf_dnp3_al_file_perms_write_group = -1;
- static int hf_dnp3_al_file_perms_exec_group = -1;
- static int hf_dnp3_al_file_perms_read_world = -1;
- static int hf_dnp3_al_file_perms_write_world = -1;
- static int hf_dnp3_al_file_perms_exec_world = -1;
- static int hf_dnp3_al_rel_timestamp = -1;
- static int hf_dnp3_al_ana16 = -1;
- static int hf_dnp3_al_ana32 = -1;
- static int hf_dnp3_al_anaflt = -1;
- static int hf_dnp3_al_anadbl = -1;
- static int hf_dnp3_al_bit = -1;
- static int hf_dnp3_al_2bit = -1;
- static int hf_dnp3_al_cnt16 = -1;
- static int hf_dnp3_al_cnt32 = -1;
- static int hf_dnp3_al_ctrlstatus = -1;
- static int hf_dnp3_al_anaout16 = -1;
- static int hf_dnp3_al_anaout32 = -1;
- static int hf_dnp3_al_anaoutflt = -1;
- static int hf_dnp3_al_anaoutdbl = -1;
- static int hf_dnp3_al_file_mode = -1;
- static int hf_dnp3_al_file_auth = -1;
- static int hf_dnp3_al_file_size = -1;
- static int hf_dnp3_al_file_maxblk = -1;
- static int hf_dnp3_al_file_reqID = -1;
- static int hf_dnp3_al_file_handle = -1;
- static int hf_dnp3_al_file_status = -1;
- static int hf_dnp3_al_file_blocknum = -1;
- static int hf_dnp3_al_file_lastblock = -1;
- static int hf_dnp3_al_file_data = -1;
- static int hf_dnp3_ctlobj_code_c = -1;
- static int hf_dnp3_ctlobj_code_m = -1;
- static int hf_dnp3_ctlobj_code_tc = -1;
- /***************************************************************************/
- /* Value String Look-Ups */
- /***************************************************************************/
- static const value_string dnp3_ctl_func_pri_vals[] = {
- { DL_FUNC_RESET_LINK, "Reset of Remote Link" },
- { DL_FUNC_RESET_PROC, "Reset of User Process" },
- { DL_FUNC_TEST_LINK, "Test Function For Link" },
- { DL_FUNC_USER_DATA, "User Data" },
- { DL_FUNC_UNC_DATA, "Unconfirmed User Data" },
- { DL_FUNC_LINK_STAT, "Request Link Status" },
- { 0, NULL }
- };
- static const value_string dnp3_ctl_func_sec_vals[] = {
- { DL_FUNC_ACK, "ACK" },
- { DL_FUNC_NACK, "NACK" },
- { DL_FUNC_STAT_LINK, "Status of Link" },
- { DL_FUNC_NO_FUNC, "Link Service Not Functioning" },
- { DL_FUNC_NOT_IMPL, "Link Service Not Used or Implemented" },
- { 0, NULL }
- };
- #if 0
- static const value_string dnp3_ctl_flags_pri_vals[] = {
- { DNP3_CTL_DIR, "DIR" },
- { DNP3_CTL_PRM, "PRM" },
- { DNP3_CTL_FCB, "FCB" },
- { DNP3_CTL_FCV, "FCV" },
- { 0, NULL }
- };
- #endif
- #if 0
- static const value_string dnp3_ctl_flags_sec_vals[]= {
- { DNP3_CTL_DIR, "DIR" },
- { DNP3_CTL_PRM, "PRM" },
- { DNP3_CTL_RES, "RES" },
- { DNP3_CTL_DFC, "DFC" },
- { 0, NULL }
- };
- #endif
- #if 0
- static const value_string dnp3_tr_flags_vals[] = {
- { DNP3_TR_FIN, "FIN" },
- { DNP3_TR_FIR, "FIR" },
- { 0, NULL }
- };
- #endif
- #if 0
- static const value_string dnp3_al_flags_vals[] = {
- { DNP3_AL_FIR, "FIR" },
- { DNP3_AL_FIN, "FIN" },
- { DNP3_AL_CON, "CON" },
- { DNP3_AL_UNS, "UNS" },
- { 0, NULL }
- };
- #endif
- /* Application Layer Function Code Values */
- static const value_string dnp3_al_func_vals[] = {
- { AL_FUNC_CONFIRM, "Confirm" },
- { AL_FUNC_READ, "Read" },
- { AL_FUNC_WRITE, "Write" },
- { AL_FUNC_SELECT, "Select" },
- { AL_FUNC_OPERATE, "Operate" },
- { AL_FUNC_DIROP, "Direct Operate" },
- { AL_FUNC_DIROPNACK, "Direct Operate No Ack" },
- { AL_FUNC_FRZ, "Immediate Freeze" },
- { AL_FUNC_FRZNACK, "Immediate Freeze No Ack" },
- { AL_FUNC_FRZCLR, "Freeze and Clear" },
- { AL_FUNC_FRZCLRNACK, "Freeze and Clear No ACK" },
- { AL_FUNC_FRZT, "Freeze With Time" },
- { AL_FUNC_FRZTNACK, "Freeze With Time No ACK" },
- { AL_FUNC_COLDRST, "Cold Restart" },
- { AL_FUNC_WARMRST, "Warm Restart" },
- { AL_FUNC_INITDATA, "Initialize Data" },
- { AL_FUNC_INITAPP, "Initialize Application" },
- { AL_FUNC_STARTAPP, "Start Application" },
- { AL_FUNC_STOPAPP, "Stop Application" },
- { AL_FUNC_SAVECFG, "Save Configuration" },
- { AL_FUNC_ENSPMSG, "Enable Spontaneous Messages" },
- { AL_FUNC_DISSPMSG, "Disable Spontaneous Messages" },
- { AL_FUNC_ASSIGNCL, "Assign Classes" },
- { AL_FUNC_DELAYMST, "Delay Measurement" },
- { AL_FUNC_RECCT, "Record Current Time" },
- { AL_FUNC_OPENFILE, "Open File" },
- { AL_FUNC_CLOSEFILE, "Close File" },
- { AL_FUNC_DELETEFILE, "Delete File" },
- { AL_FUNC_GETFILEINF, "Get File Info" },
- { AL_FUNC_AUTHFILE, "Authenticate File" },
- { AL_FUNC_ABORTFILE, "Abort File" },
- { AL_FUNC_ACTCNF, "Activate Config" },
- { AL_FUNC_AUTHREQ, "Authentication Request" },
- { AL_FUNC_AUTHERR, "Authentication Error" },
- { AL_FUNC_RESPON, "Response" },
- { AL_FUNC_UNSOLI, "Unsolicited Response" },
- { AL_FUNC_AUTHRESP, "Authentication Response" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_func_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_func_vals);
- #if 0
- /* Application Layer Internal Indication (IIN) bit Values */
- static const value_string dnp3_al_iin_vals[] = {
- { AL_IIN_BMSG, "Broadcast message Rx'd" },
- { AL_IIN_CLS1D, "Class 1 Data Available" },
- { AL_IIN_CLS2D, "Class 2 Data Available" },
- { AL_IIN_CLS3D, "Class 3 Data Available" },
- { AL_IIN_TSR, "Time Sync Required from Master" },
- { AL_IIN_DOL, "Outputs in Local Mode" },
- { AL_IIN_DT, "Device Trouble" },
- { AL_IIN_RST, "Device Restart" },
- { AL_IIN_FCNI, "Function Code not implemented" },
- { AL_IIN_OBJU, "Requested Objects Unknown" },
- { AL_IIN_PIOOR, "Parameters Invalid or Out of Range" },
- { AL_IIN_EBO, "Event Buffer Overflow" },
- { AL_IIN_OAE, "Operation Already Executing" },
- { AL_IIN_CC, "Device Configuration Corrupt" },
- { 0, NULL }
- };
- #endif
- /* Application Layer Object Qualifier Index Values When Qualifier Code != 11 */
- static const value_string dnp3_al_objq_index_vals[] = {
- { AL_OBJQL_IDX_NI, "None" },
- { AL_OBJQL_IDX_1O, "1-Octet Indexing" },
- { AL_OBJQL_IDX_2O, "2-Octet Indexing" },
- { AL_OBJQL_IDX_4O, "4-Octet Indexing" },
- { AL_OBJQL_IDX_1OS, "1-Octet Object Size" },
- { AL_OBJQL_IDX_2OS, "2-Octet Object Size" },
- { AL_OBJQL_IDX_4OS, "4-Octet Object Size" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_objq_index_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_objq_index_vals);
- /* Application Layer Object Qualifier Code Values */
- static const value_string dnp3_al_objq_code_vals[] = {
- { AL_OBJQL_CODE_SSI8, "8-bit Start and Stop Indices" },
- { AL_OBJQL_CODE_SSI16, "16-bit Start and Stop Indices" },
- { AL_OBJQL_CODE_SSI32, "32-bit Start and Stop Indices" },
- { AL_OBJQL_CODE_AA8, "8-bit Absolute Address in Range Field" },
- { AL_OBJQL_CODE_AA16, "16-bit Absolute Address in Range Field" },
- { AL_OBJQL_CODE_AA32, "32-bit Absolute Address in Range Field" },
- { AL_OBJQL_CODE_R0, "No Range Field" },
- { AL_OBJQL_CODE_SF8, "8-bit Single Field Quantity" },
- { AL_OBJQL_CODE_SF16, "16-bit Single Field Quantity" },
- { AL_OBJQL_CODE_SF32, "32-bit Single Field Quantity" },
- { 10, "Reserved" },
- { AL_OBJQL_CODE_FF, "Free-format Qualifier" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_objq_code_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_objq_code_vals);
- /* Application Layer Data Object Values */
- static const value_string dnp3_al_obj_vals[] = {
- { AL_OBJ_BI_ALL, "Binary Input Default Variation (Obj:01, Var:Default)" },
- { AL_OBJ_BI_1BIT, "Single-Bit Binary Input (Obj:01, Var:01)" },
- { AL_OBJ_BI_STAT, "Binary Input With Status (Obj:01, Var:02)" },
- { AL_OBJ_BIC_ALL, "Binary Input Change Default Variation (Obj:02, Var:Default)" },
- { AL_OBJ_BIC_NOTIME, "Binary Input Change Without Time (Obj:02, Var:01)" },
- { AL_OBJ_BIC_TIME, "Binary Input Change With Time (Obj:02, Var:02)" },
- { AL_OBJ_BIC_RTIME, "Binary Input Change With Relative Time (Obj:02, Var:03)" },
- { AL_OBJ_2BI_ALL, "Double-bit Input Default Variation (Obj:03, Var:Default)" },
- { AL_OBJ_2BI_NF, "Double-bit Input No Flags (Obj:03, Var:01)" },
- { AL_OBJ_2BI_STAT, "Double-bit Input With Status (Obj:03, Var:02)" },
- { AL_OBJ_2BIC_NOTIME, "Double-bit Input Change Without Time (Obj:04, Var:01)" },
- { AL_OBJ_2BIC_TIME, "Double-bit Input Change With Time (Obj:04, Var:02)" },
- { AL_OBJ_2BIC_RTIME, "Double-bit Input Change With Relative Time (Obj:04, Var:03)" },
- { AL_OBJ_BO_ALL, "Binary Output Default Variation (Obj:10, Var:Default)" },
- { AL_OBJ_BO, "Binary Output (Obj:10, Var:01)" },
- { AL_OBJ_BO_STAT, "Binary Output Status (Obj:10, Var:02)" },
- { AL_OBJ_BOC_ALL, "Binary Output Change Default Variation (Obj:11, Var:Default)" },
- { AL_OBJ_BOC_NOTIME, "Binary Output Change Without Time (Obj:11, Var:01)" },
- { AL_OBJ_BOC_TIME, "Binary Output Change With Time (Obj:11, Var:02)" },
- { AL_OBJ_CTLOP_BLK, "Control Relay Output Block (Obj:12, Var:01)" },
- { AL_OBJ_CTR_ALL, "Binary Counter Default Variation (Obj:20, Var:Default)" },
- { AL_OBJ_CTR_32, "32-Bit Binary Counter (Obj:20, Var:01)" },
- { AL_OBJ_CTR_16, "16-Bit Binary Counter (Obj:20, Var:02)" },
- { AL_OBJ_DCTR_32, "32-Bit Binary Delta Counter (Obj:20, Var:03)" },
- { AL_OBJ_DCTR_16, "16-Bit Binary Delta Counter (Obj:20, Var:04)" },
- { AL_OBJ_CTR_32NF, "32-Bit Binary Counter Without Flag (Obj:20, Var:05)" },
- { AL_OBJ_CTR_16NF, "16-Bit Binary Counter Without Flag (Obj:20, Var:06)" },
- { AL_OBJ_DCTR_32NF, "32-Bit Binary Delta Counter Without Flag (Obj:20, Var:07)" },
- { AL_OBJ_DCTR_16NF, "16-Bit Binary Delta Counter Without Flag (Obj:20, Var:08)" },
- { AL_OBJ_FCTR_ALL, "Frozen Binary Counter Default Variation (Obj:21, Var:Default)" },
- { AL_OBJ_FCTR_32, "32-Bit Frozen Binary Counter (Obj:21, Var:01)" },
- { AL_OBJ_FCTR_16, "16-Bit Frozen Binary Counter (Obj:21, Var:02)" },
- { AL_OBJ_FDCTR_32, "32-Bit Frozen Binary Delta Counter (Obj:21, Var:03)" },
- { AL_OBJ_FDCTR_16, "16-Bit Frozen Binary Delta Counter (Obj:21, Var:04)" },
- { AL_OBJ_FCTR_32T, "32-Bit Frozen Binary Counter (Obj:21, Var:01)" },
- { AL_OBJ_FCTR_16T, "16-Bit Frozen Binary Counter (Obj:21, Var:02)" },
- { AL_OBJ_FDCTR_32T, "32-Bit Frozen Binary Delta Counter (Obj:21, Var:03)" },
- { AL_OBJ_FDCTR_16T, "16-Bit Frozen Binary Delta Counter (Obj:21, Var:04)" },
- { AL_OBJ_FCTR_32NF, "32-Bit Frozen Binary Counter Without Flag (Obj:21, Var:05)" },
- { AL_OBJ_FCTR_16NF, "16-Bit Frozen Binary Counter Without Flag (Obj:21, Var:06)" },
- { AL_OBJ_FDCTR_32NF, "32-Bit Frozen Binary Delta Counter Without Flag (Obj:21, Var:07)" },
- { AL_OBJ_FDCTR_16NF, "16-Bit Frozen Binary Delta Counter Without Flag (Obj:21, Var:08)" },
- { AL_OBJ_CTRC_ALL, "Binary Counter Change Default Variation (Obj:22, Var:Default)" },
- { AL_OBJ_CTRC_32, "32-Bit Counter Change Event w/o Time (Obj:22, Var:01)" },
- { AL_OBJ_CTRC_16, "16-Bit Counter Change Event w/o Time (Obj:22, Var:02)" },
- { AL_OBJ_DCTRC_32, "32-Bit Delta Counter Change Event w/o Time (Obj:22, Var:03)" },
- { AL_OBJ_DCTRC_16, "16-Bit Delta Counter Change Event w/o Time (Obj:22, Var:04)" },
- { AL_OBJ_CTRC_32T, "32-Bit Counter Change Event with Time (Obj:22, Var:05)" },
- { AL_OBJ_CTRC_16T, "16-Bit Counter Change Event with Time (Obj:22, Var:06)" },
- { AL_OBJ_DCTRC_32T, "32-Bit Delta Counter Change Event with Time (Obj:22, Var:07)" },
- { AL_OBJ_DCTRC_16T, "16-Bit Delta Counter Change Event with Time (Obj:22, Var:08)" },
- { AL_OBJ_FCTRC_ALL, "Frozen Binary Counter Change Default Variation (Obj:23, Var:Default)" },
- { AL_OBJ_FCTRC_32, "32-Bit Frozen Counter Change Event w/o Time (Obj:23, Var:01)" },
- { AL_OBJ_FCTRC_16, "16-Bit Frozen Counter Change Event w/o Time (Obj:23, Var:02)" },
- { AL_OBJ_FDCTRC_32, "32-Bit Frozen Delta Counter Change Event w/o Time (Obj:23, Var:03)" },
- { AL_OBJ_FDCTRC_16, "16-Bit Frozen Delta Counter Change Event w/o Time (Obj:23, Var:04)" },
- { AL_OBJ_FCTRC_32T, "32-Bit Frozen Counter Change Event with Time (Obj:23, Var:05)" },
- { AL_OBJ_FCTRC_16T, "16-Bit Frozen Counter Change Event with Time (Obj:23, Var:06)" },
- { AL_OBJ_FDCTRC_32T, "32-Bit Frozen Delta Counter Change Event with Time (Obj:23, Var:07)" },
- { AL_OBJ_FDCTRC_16T, "16-Bit Frozen Delta Counter Change Event with Time (Obj:23, Var:08)" },
- { AL_OBJ_AI_ALL, "Analog Input Default Variation (Obj:30, Var:Default)" },
- { AL_OBJ_AI_32, "32-Bit Analog Input (Obj:30, Var:01)" },
- { AL_OBJ_AI_16, "16-Bit Analog Input (Obj:30, Var:02)" },
- { AL_OBJ_AI_32NF, "32-Bit Analog Input Without Flag (Obj:30, Var:03)" },
- { AL_OBJ_AI_16NF, "16-Bit Analog Input Without Flag (Obj:30, Var:04)" },
- { AL_OBJ_AI_FLT, "32-Bit Floating Point Input (Obj:30, Var:05)" },
- { AL_OBJ_AI_DBL, "64-Bit Floating Point Input (Obj:30, Var:06)" },
- { AL_OBJ_AIF_FLT, "32-Bit Frozen Floating Point Input (Obj:31, Var:07)" },
- { AL_OBJ_AIF_DBL, "64-Bit Frozen Floating Point Input (Obj:31, Var:08)" },
- { AL_OBJ_AIC_ALL, "Analog Input Change Default Variation (Obj:32, Var:Default)" },
- { AL_OBJ_AIC_32NT, "32-Bit Analog Change Event w/o Time (Obj:32, Var:01)" },
- { AL_OBJ_AIC_16NT, "16-Bit Analog Change Event w/o Time (Obj:32, Var:02)" },
- { AL_OBJ_AIC_32T, "32-Bit Analog Change Event with Time (Obj:32, Var:03)" },
- { AL_OBJ_AIC_16T, "16-Bit Analog Change Event with Time (Obj:32, Var:04)" },
- { AL_OBJ_AIC_FLTNT, "32-Bit Floating Point Change Event w/o Time (Obj:32, Var:05)" },
- { AL_OBJ_AIC_DBLNT, "64-Bit Floating Point Change Event w/o Time (Obj:32, Var:06)" },
- { AL_OBJ_AIC_FLTT, "32-Bit Floating Point Change Event w/ Time (Obj:32, Var:07)" },
- { AL_OBJ_AIC_DBLT, "64-Bit Floating Point Change Event w/ Time (Obj:32, Var:08)" },
- { AL_OBJ_AIFC_FLTNT, "32-Bit Floating Point Frozen Change Event w/o Time (Obj:33, Var:05)" },
- { AL_OBJ_AIFC_DBLNT, "64-Bit Floating Point Frozen Change Event w/o Time (Obj:33, Var:06)" },
- { AL_OBJ_AIFC_FLTT, "32-Bit Floating Point Frozen Change Event w/ Time (Obj:33, Var:07)" },
- { AL_OBJ_AIFC_DBLT, "64-Bit Floating Point Frozen Change Event w/ Time (Obj:33, Var:08)" },
- { AL_OBJ_AIDB_ALL, "Analog Input Deadband Default Variation (Obj:34, Var:Default)" },
- { AL_OBJ_AIDB_16, "16-Bit Analog Input Deadband (Obj:34, Var:01)" },
- { AL_OBJ_AIDB_32, "32-Bit Analog Input Deadband (Obj:34, Var:02)" },
- { AL_OBJ_AIDB_FLT, "32-Bit Floating Point Analog Input Deadband (Obj:34, Var:03)" },
- { AL_OBJ_AO_ALL, "Analog Output Default Variation (Obj:40, Var:Default)" },
- { AL_OBJ_AO_32, "32-Bit Analog Output Status (Obj:40, Var:01)" },
- { AL_OBJ_AO_16, "16-Bit Analog Output Status (Obj:40, Var:02)" },
- { AL_OBJ_AO_FLT, "32-Bit Floating Point Output Status (Obj:40, Var:03)" },
- { AL_OBJ_AO_DBL, "64-Bit Floating Point Output Status (Obj:40, Var:04)" },
- { AL_OBJ_AO_32OPB, "32-Bit Analog Output Block (Obj:41, Var:01)" },
- { AL_OBJ_AO_16OPB, "16-Bit Analog Output Block (Obj:41, Var:02)" },
- { AL_OBJ_AO_FLTOPB, "32-Bit Floating Point Output Block (Obj:41, Var:03)" },
- { AL_OBJ_AO_DBLOPB, "64-Bit Floating Point Output Block (Obj:41, Var:04)" },
- { AL_OBJ_AOC_ALL, "Analog Output Event Default Variation (Obj:42, Var:Default)" },
- { AL_OBJ_AOC_32NT, "32-Bit Analog Output Event w/o Time (Obj:42, Var:01)" },
- { AL_OBJ_AOC_16NT, "16-Bit Analog Output Event w/o Time (Obj:42, Var:02)" },
- { AL_OBJ_AOC_32T, "32-Bit Analog Output Event with Time (Obj:42, Var:03)" },
- { AL_OBJ_AOC_16T, "16-Bit Analog Output Event with Time (Obj:42, Var:04)" },
- { AL_OBJ_AOC_FLTNT, "32-Bit Floating Point Output Event w/o Time (Obj:42, Var:05)" },
- { AL_OBJ_AOC_DBLNT, "64-Bit Floating Point Output Event w/o Time (Obj:42, Var:06)" },
- { AL_OBJ_AOC_FLTT, "32-Bit Floating Point Output Event w/ Time (Obj:42, Var:07)" },
- { AL_OBJ_AOC_DBLT, "64-Bit Floating Point Output Event w/ Time (Obj:42, Var:08)" },
- { AL_OBJ_TD_ALL, "Time and Date Default Variations (Obj:50, Var:Default)" },
- { AL_OBJ_TD, "Time and Date (Obj:50, Var:01)" },
- { AL_OBJ_TDI, "Time and Date w/Interval (Obj:50, Var:02)" },
- { AL_OBJ_TDR, "Last Recorded Time and Date (Obj:50, Var:03)" },
- { AL_OBJ_TDCTO, "Time and Date CTO (Obj:51, Var:01)" },
- { AL_OBJ_TDELAYF, "Time Delay - Fine (Obj:52, Var:02)" },
- { AL_OBJ_CLASS0, "Class 0 Data (Obj:60, Var:01)" },
- { AL_OBJ_CLASS1, "Class 1 Data (Obj:60, Var:02)" },
- { AL_OBJ_CLASS2, "Class 2 Data (Obj:60, Var:03)" },
- { AL_OBJ_CLASS3, "Class 3 Data (Obj:60, Var:04)" },
- { AL_OBJ_FILE_CMD, "File Control - File Command (Obj:70, Var:03)" },
- { AL_OBJ_FILE_STAT, "File Control - File Status (Obj:70, Var:04)" },
- { AL_OBJ_FILE_TRANS, "File Control - File Transport (Obj:70, Var:05)" },
- { AL_OBJ_FILE_TRAN_ST, "File Control - File Transport Status (Obj:70, Var:06)" },
- { AL_OBJ_IIN, "Internal Indications (Obj:80, Var:01)" },
- { AL_OBJ_OCT, "Octet String (Obj:110)" },
- { AL_OBJ_OCT_EVT, "Octet String Event (Obj:111)" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_obj_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_obj_vals);
- /* Application Layer Control Code 'Operation Type' Values */
- static const value_string dnp3_al_ctlc_code_vals[] = {
- { AL_OBJCTLC_CODE0, "NUL Operation" },
- { AL_OBJCTLC_CODE1, "Pulse On" },
- { AL_OBJCTLC_CODE2, "Pulse Off" },
- { AL_OBJCTLC_CODE3, "Latch On" },
- { AL_OBJCTLC_CODE4, "Latch Off" },
- { 0, NULL }
- };
- /* Application Layer Control Code 'Clear Field' Values */
- static const value_string dnp3_al_ctlc_misc_vals[] = {
- { AL_OBJCTLC_QUEUE, "Queue" },
- { AL_OBJCTLC_CLEAR, "Clear" },
- { AL_OBJCTLC_NOTSET, "Not Set" },
- { AL_OBJCTLC_BOTHSET, "Queue and Clear" },
- { 0, NULL }
- };
- /* Application Layer Control Code 'Trip Close Code' Values */
- static const value_string dnp3_al_ctlc_tc_vals[] = {
- { AL_OBJCTLC_TC0, "NUL" },
- { AL_OBJCTLC_TC1, "Close" },
- { AL_OBJCTLC_TC2, "Trip" },
- { AL_OBJCTLC_TC3, "Reserved" },
- { 0, NULL }
- };
- /* Application Layer Control Status Values */
- static const value_string dnp3_al_ctl_status_vals[] = {
- { AL_OBJCTL_STAT0, "Req. Accepted/Init/Queued" },
- { AL_OBJCTL_STAT1, "Req. Not Accepted; Arm-Timer Expired" },
- { AL_OBJCTL_STAT2, "Req. Not Accepted; No 'SELECT' Received" },
- { AL_OBJCTL_STAT3, "Req. Not Accepted; Format Err. in Ctl Req." },
- { AL_OBJCTL_STAT4, "Ctl Oper. Not Supported For This Point" },
- { AL_OBJCTL_STAT5, "Req. Not Accepted; Ctrl Queue Full/Point Active" },
- { AL_OBJCTL_STAT6, "Req. Not Accepted; Ctrl Hardware Problems" },
- { AL_OBJCTL_STAT7, "Req. Not Accepted; Local/Remote switch in Local" },
- { AL_OBJCTL_STAT8, "Req. Not Accepted; Too many operations" },
- { AL_OBJCTL_STAT9, "Req. Not Accepted; Insufficient authorization" },
- { AL_OBJCTL_STAT10, "Req. Not Accepted; Local automation proc active" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_ctl_status_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_ctl_status_vals);
- #if 0
- /* Application Layer Binary Input Quality Flag Values */
- static const value_string dnp3_al_biflag_vals[] = {
- { AL_OBJ_BI_FLAG0, "Online" },
- { AL_OBJ_BI_FLAG1, "Restart" },
- { AL_OBJ_BI_FLAG2, "Comm Fail" },
- { AL_OBJ_BI_FLAG3, "Remote Forced" },
- { AL_OBJ_BI_FLAG4, "Locally Forced" },
- { AL_OBJ_BI_FLAG5, "Chatter Filter" },
- { 0, NULL }
- };
- #endif
- #if 0
- /* Application Layer Counter Quality Flag Values */
- static const value_string dnp3_al_ctrflag_vals[] = {
- { AL_OBJ_CTR_FLAG0, "Online" },
- { AL_OBJ_CTR_FLAG1, "Restart" },
- { AL_OBJ_CTR_FLAG2, "Comm Fail" },
- { AL_OBJ_CTR_FLAG3, "Remote Forced" },
- { AL_OBJ_CTR_FLAG4, "Locally Forced" },
- { AL_OBJ_CTR_FLAG5, "Roll-Over" },
- { AL_OBJ_CTR_FLAG6, "Discontinuity" },
- { 0, NULL }
- };
- #endif
- #if 0
- /* Application Layer Analog Input Quality Flag Values */
- static const value_string dnp3_al_aiflag_vals[] = {
- { AL_OBJ_AI_FLAG0, "Online" },
- { AL_OBJ_AI_FLAG1, "Restart" },
- { AL_OBJ_AI_FLAG2, "Comm Fail" },
- { AL_OBJ_AI_FLAG3, "Remote Forced" },
- { AL_OBJ_AI_FLAG4, "Locally Forced" },
- { AL_OBJ_AI_FLAG5, "Over-Range" },
- { AL_OBJ_AI_FLAG6, "Ref. Error" },
- { 0, NULL }
- };
- #endif
- /* Application Layer File Control Mode values */
- static const value_string dnp3_al_file_mode_vals[] = {
- { AL_OBJ_FILE_MODE_NULL, "NULL" },
- { AL_OBJ_FILE_MODE_READ, "READ" },
- { AL_OBJ_FILE_MODE_WRITE, "WRITE" },
- { AL_OBJ_FILE_MODE_APPEND, "APPEND" },
- { 0, NULL }
- };
- /* Application Layer File Control Status values */
- static const value_string dnp3_al_file_status_vals[] = {
- { 0, "SUCCESS" },
- { 1, "PERMISSION DENIED" },
- { 2, "INVALID MODE" },
- { 3, "FILE NOT FOUND" },
- { 4, "FILE LOCKED" },
- { 5, "TOO MANY OPEN" },
- { 6, "INVALID HANDLE" },
- { 7, "WRITE BLOCK SIZE" },
- { 8, "COMM LOST" },
- { 9, "CANNOT ABORT" },
- { 16, "NOT OPENED" },
- { 17, "HANDLE EXPIRED" },
- { 18, "BUFFER OVERRUN" },
- { 19, "FATAL" },
- { 20, "BLOCK SEQUENCE" },
- { 255, "UNDEFINED" },
- { 0, NULL }
- };
- static value_string_ext dnp3_al_file_status_vals_ext = VALUE_STRING_EXT_INIT(dnp3_al_file_status_vals);
- /* Initialize the subtree pointers */
- static gint ett_dnp3 = -1;
- static gint ett_dnp3_dl = -1;
- static gint ett_dnp3_dl_ctl = -1;
- static gint ett_dnp3_tr_ctl = -1;
- static gint ett_dnp3_al_data = -1;
- static gint ett_dnp3_al = -1;
- static gint ett_dnp3_al_ctl = -1;
- static gint ett_dnp3_al_obj_point_tcc = -1;
- /* Added for Application Layer Decoding */
- static gint ett_dnp3_al_iin = -1;
- static gint ett_dnp3_al_obj = -1;
- static gint ett_dnp3_al_obj_qualifier = -1;
- static gint ett_dnp3_al_obj_range = -1;
- static gint ett_dnp3_al_objdet = -1;
- static gint ett_dnp3_al_obj_quality = -1;
- static gint ett_dnp3_al_obj_point = -1;
- static gint ett_dnp3_al_obj_point_perms = -1;
- static expert_field ei_dnp_num_items_neg = EI_INIT;
- static expert_field ei_dnp_invalid_length = EI_INIT;
- /* Tables for reassembly of fragments. */
- static reassembly_table al_reassembly_table;
- static GHashTable *dl_conversation_table = NULL;
- /* Data-Link-Layer Conversation Key Structure */
- typedef struct _dl_conversation_key
- {
- guint32 conversation; /* TCP / UDP conversation index */
- guint16 src; /* DNP3.0 Source Address */
- guint16 dst; /* DNP3.0 Destination Address */
- } dl_conversation_key_t;
- /* Data-Link-Layer conversation key equality function */
- static gboolean
- dl_conversation_equal(gconstpointer v, gconstpointer w)
- {
- const dl_conversation_key_t* v1 = (const dl_conversation_key_t*)v;
- const dl_conversation_key_t* v2 = (const dl_conversation_key_t*)w;
- if ((v1->conversation == v2->conversation) &&
- (v1->src == v2->src) &&
- (v1->dst == v2->dst))
- {
- return TRUE;
- }
- return FALSE;
- }
- /* Data-Link-Layer conversation key hash function */
- static guint
- dl_conversation_hash(gconstpointer v)
- {
- const dl_conversation_key_t *key = (const dl_conversation_key_t*)v;
- guint val;
- val = key->conversation + (key->src << 16) + key->dst;
- return val;
- }
- /* ************************************************************************* */
- /* Header values for reassembly */
- /* ************************************************************************* */
- static int hf_dnp3_fragment = -1;
- static int hf_dnp3_fragments = -1;
- static int hf_dnp3_fragment_overlap = -1;
- static int hf_dnp3_fragment_overlap_conflict = -1;
- static int hf_dnp3_fragment_multiple_tails = -1;
- static int hf_dnp3_fragment_too_long_fragment = -1;
- static int hf_dnp3_fragment_error = -1;
- static int hf_dnp3_fragment_count = -1;
- static int hf_dnp3_fragment_reassembled_in = -1;
- static int hf_dnp3_fragment_reassembled_length = -1;
- static gint ett_dnp3_fragment = -1;
- static gint ett_dnp3_fragments = -1;
- static const fragment_items dnp3_frag_items = {
- &ett_dnp3_fragment,
- &ett_dnp3_fragments,
- &hf_dnp3_fragments,
- &hf_dnp3_fragment,
- &hf_dnp3_fragment_overlap,
- &hf_dnp3_fragment_overlap_conflict,
- &hf_dnp3_fragment_multiple_tails,
- &hf_dnp3_fragment_too_long_fragment,
- &hf_dnp3_fragment_error,
- &hf_dnp3_fragment_count,
- &hf_dnp3_fragment_reassembled_in,
- &hf_dnp3_fragment_reassembled_length,
- /* Reassembled data field */
- NULL,
- "DNP 3.0 fragments"
- };
- /* Conversation stuff, used for tracking application message fragments */
- /* the number of entries in the memory chunk array */
- #define dnp3_conv_init_count 50
- /* Conversation structure */
- typedef struct {
- guint conv_seq_number;
- } dnp3_conv_t;
- /* The conversation sequence number */
- static guint seq_number = 0;
- /* Heuristically detect DNP3 over TCP/UDP */
- static gboolean dnp3_heuristics = FALSE;
- /* desegmentation of DNP3 over TCP */
- static gboolean dnp3_desegment = TRUE;
- /* Enum for different quality type fields */
- enum QUALITY_TYPE {
- BIN_IN,
- BIN_OUT,
- ANA_IN,
- ANA_OUT,
- COUNTER
- };
- /*****************************************************************/
- /* */
- /* CRC LOOKUP TABLE */
- /* ================ */
- /* The following CRC lookup table was generated automagically */
- /* by the Rocksoft^tm Model CRC Algorithm Table Generation */
- /* Program V1.0 using the following model parameters: */
- /* */
- /* Width : 2 bytes. */
- /* Poly : 0x3D65 */
- /* Reverse : TRUE. */
- /* */
- /* For more information on the Rocksoft^tm Model CRC Algorithm, */
- /* see the document titled "A Painless Guide to CRC Error */
- /* Detection Algorithms" by Ross Williams */
- /* (ross@guest.adelaide.edu.au.). This document is likely to be */
- /* in the FTP archive "ftp.adelaide.edu.au/pub/rocksoft". */
- /* */
- /*****************************************************************/
- static guint16 crctable[256] =
- {
- 0x0000, 0x365E, 0x6CBC, 0x5AE2, 0xD978, 0xEF26, 0xB5C4, 0x839A,
- 0xFF89, 0xC9D7, 0x9335, 0xA56B, 0x26F1, 0x10AF, 0x4A4D, 0x7C13,
- 0xB26B, 0x8435, 0xDED7, 0xE889, 0x6B13, 0x5D4D, 0x07AF, 0x31F1,
- 0x4DE2, 0x7BBC, 0x215E, 0x1700, 0x949A, 0xA2C4, 0xF826, 0xCE78,
- 0x29AF, 0x1FF1, 0x4513, 0x734D, 0xF0D7, 0xC689, 0x9C6B, 0xAA35,
- 0xD626, 0xE078, 0xBA9A, 0x8CC4, 0x0F5E, 0x3900, 0x63E2, 0x55BC,
- 0x9BC4, 0xAD9A, 0xF778, 0xC126, 0x42BC, 0x74E2, 0x2E00, 0x185E,
- 0x644D, 0x5213, 0x08F1, 0x3EAF, 0xBD35, 0x8B6B, 0xD189, 0xE7D7,
- 0x535E, 0x6500, 0x3FE2, 0x09BC, 0x8A26, 0xBC78, 0xE69A, 0xD0C4,
- 0xACD7, 0x9A89, 0xC06B, 0xF635, 0x75AF, 0x43F1, 0x1913, 0x2F4D,
- 0xE135, 0xD76B, 0x8D89, 0xBBD7, 0x384D, 0x0E13, 0x54F1, 0x62AF,
- 0x1EBC, 0x28E2, 0x7200, 0x445E, 0xC7C4, 0xF19A, 0xAB78, 0x9D26,
- 0x7AF1, 0x4CAF, 0x164D, 0x2013, 0xA389, 0x95D7, 0xCF35, 0xF96B,
- 0x8578, 0xB326, 0xE9C4, 0xDF9A, 0x5C00, 0x6A5E, 0x30BC, 0x06E2,
- 0xC89A, 0xFEC4, 0xA426, 0x9278, 0x11E2, 0x27BC, 0x7D5E, 0x4B00,
- 0x3713, 0x014D, 0x5BAF, 0x6DF1, 0xEE6B, 0xD835, 0x82D7, 0xB489,
- 0xA6BC, 0x90E2, 0xCA00, 0xFC5E, 0x7FC4, 0x499A, 0x1378, 0x2526,
- 0x5935, 0x6F6B, 0x3589, 0x03D7, 0x804D, 0xB613, 0xECF1, 0xDAAF,
- 0x14D7, 0x2289, 0x786B, 0x4E35, 0xCDAF, 0xFBF1, 0xA113, 0x974D,
- 0xEB5E, 0xDD00, 0x87E2, 0xB1BC, 0x3226, 0x0478, 0x5E9A, 0x68C4,
- 0x8F13, 0xB94D, 0xE3AF, 0xD5F1, 0x566B, 0x6035, 0x3AD7, 0x0C89,
- 0x709A, 0x46C4, 0x1C26, 0x2A78, 0xA9E2, 0x9FBC, 0xC55E, 0xF300,
- 0x3D78, 0x0B26, 0x51C4, 0x679A, 0xE400, 0xD25E, 0x88BC, 0xBEE2,
- 0xC2F1, 0xF4AF, 0xAE4D, 0x9813, 0x1B89, 0x2DD7, 0x7735, 0x416B,
- 0xF5E2, 0xC3BC, 0x995E, 0xAF00, 0x2C9A, 0x1AC4, 0x4026, 0x7678,
- 0x0A6B, 0x3C35, 0x66D7, 0x5089, 0xD313, 0xE54D, 0xBFAF, 0x89F1,
- 0x4789, 0x71D7, 0x2B35, 0x1D6B, 0x9EF1, 0xA8AF, 0xF24D, 0xC413,
- 0xB800, 0x8E5E, 0xD4BC, 0xE2E2, 0x6178, 0x5726, 0x0DC4, 0x3B9A,
- 0xDC4D, 0xEA13, 0xB0F1, 0x86AF, 0x0535, 0x336B, 0x6989, 0x5FD7,
- 0x23C4, 0x159A, 0x4F78, 0x7926, 0xFABC, 0xCCE2, 0x9600, 0xA05E,
- 0x6E26, 0x5878, 0x029A, 0x34C4, 0xB75E, 0x8100, 0xDBE2, 0xEDBC,
- 0x91AF, 0xA7F1, 0xFD13, 0xCB4D, 0x48D7, 0x7E89, 0x246B, 0x1235
- };
- /*****************************************************************/
- /* End of CRC Lookup Table */
- /*****************************************************************/
- /* calculates crc given a buffer of characters and a length of buffer */
- static guint16
- calculateCRC(const void *buf, guint len) {
- guint16 crc = 0;
- const guint8 *p = (const guint8 *)buf;
- while (len-- > 0)
- crc = crctable[(crc ^ *p++) & 0xff] ^ (crc >> 8);
- return ~crc;
- }
- /*****************************************************************/
- /* Adds text to item, with trailing "," if required */
- /*****************************************************************/
- static gboolean
- add_item_text(proto_item *item, const gchar *text, gboolean comma_needed)
- {
- if (comma_needed) {
- proto_item_append_text(item, ", ");
- }
- proto_item_append_text(item, "%s", text);
- return TRUE;
- }
- /*****************************************************************/
- /* Application Layer Process Internal Indications (IIN) */
- /*****************************************************************/
- static void
- dnp3_al_process_iin(tvbuff_t *tvb, int offset, proto_tree *al_tree)
- {
- guint16 al_iin;
- proto_item *tiin;
- proto_tree *iin_tree;
- gboolean comma_needed = FALSE;
- al_iin = tvb_get_ntohs(tvb, offset);
- tiin = proto_tree_add_uint_format(al_tree, hf_dnp3_al_iin, tvb, offset, 2, al_iin,
- "Internal Indications: ");
- if (al_iin & AL_IIN_RST) comma_needed = add_item_text(tiin, "Device Restart", comma_needed);
- if (al_iin & AL_IIN_DOL) comma_needed = add_item_text(tiin, "Outputs in Local", comma_needed);
- if (al_iin & AL_IIN_DT) comma_needed = add_item_text(tiin, "Device Trouble", comma_needed);
- if (al_iin & AL_IIN_TSR) comma_needed = add_item_text(tiin, "Time Sync Required", comma_needed);
- if (al_iin & AL_IIN_CLS3D) comma_needed = add_item_text(tiin, "Class 3 Data Available", comma_needed);
- if (al_iin & AL_IIN_CLS2D) comma_needed = add_item_text(tiin, "Class 2 Data Available", comma_needed);
- if (al_iin & AL_IIN_CLS1D) comma_needed = add_item_text(tiin, "Class 1 Data Available", comma_needed);
- if (al_iin & AL_IIN_BMSG) comma_needed = add_item_text(tiin, "Broadcast Message Rx'd", comma_needed);
- if (al_iin & AL_IIN_CC) comma_needed = add_item_text(tiin, "Device Configuration Corrupt", comma_needed);
- if (al_iin & AL_IIN_OAE) comma_needed = add_item_text(tiin, "Operation Already Executing", comma_needed);
- if (al_iin & AL_IIN_EBO) comma_needed = add_item_text(tiin, "Event Buffer Overflow", comma_needed);
- if (al_iin & AL_IIN_PIOOR) comma_needed = add_item_text(tiin, "Parameters Invalid or Out of Range", comma_needed);
- if (al_iin & AL_IIN_OBJU) comma_needed = add_item_text(tiin, "Requested Objects Unknown", comma_needed);
- if (al_iin & AL_IIN_FCNI) /*comma_needed = */add_item_text(tiin, "Function code not implemented", comma_needed);
- proto_item_append_text(tiin, " (0x%04x)", al_iin);
- iin_tree = proto_item_add_subtree(tiin, ett_dnp3_al_iin);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_rst, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_dt, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_dol, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_tsr, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_cls3d, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_cls2d, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_cls1d, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_bmsg, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_cc, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_oae, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_ebo, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_pioor, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_obju, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(iin_tree, hf_dnp3_al_iin_fcni, tvb, offset, 2, ENC_BIG_ENDIAN);
- }
- /*****************************************************************/
- /* Function to determine Application Layer Object Index size and */
- /* Point address. */
- /*****************************************************************/
- static int
- dnp3_al_obj_procindex(tvbuff_t *tvb, int offset, guint8 al_objq_index, guint32 *al_ptaddr, proto_tree *item_tree)
- {
- int indexbytes = 0;
- proto_item *index_item;
- switch (al_objq_index)
- {
- case AL_OBJQL_IDX_NI: /* No Index */
- indexbytes = 0;
- index_item = proto_tree_add_text(item_tree, tvb, offset, 0, "Point Index: %u", *al_ptaddr);
- PROTO_ITEM_SET_GENERATED(index_item);
- break;
- case AL_OBJQL_IDX_1O:
- *al_ptaddr = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_index8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- indexbytes = 1;
- break;
- case AL_OBJQL_IDX_2O:
- *al_ptaddr = tvb_get_letohs(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_index16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- indexbytes = 2;
- break;
- case AL_OBJQL_IDX_4O:
- *al_ptaddr = tvb_get_letohl(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_index32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
- indexbytes = 4;
- break;
- case AL_OBJQL_IDX_1OS:
- *al_ptaddr = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_size8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- indexbytes = 1;
- break;
- case AL_OBJQL_IDX_2OS:
- *al_ptaddr = tvb_get_letohs(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_size16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- indexbytes = 2;
- break;
- case AL_OBJQL_IDX_4OS:
- *al_ptaddr = tvb_get_letohl(tvb, offset);
- proto_tree_add_item(item_tree, hf_dnp3_al_size32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
- indexbytes = 4;
- break;
- }
- return indexbytes;
- }
- /*****************************************************************/
- /* Function to add the same string to two separate tree items */
- /*****************************************************************/
- static void
- dnp3_append_2item_text(proto_item *item1, proto_item *item2, const gchar *text)
- {
- proto_item_append_text(item1, "%s", text);
- proto_item_append_text(item2, "%s", text);
- }
- /*****************************************************************/
- /* Function to Determine Application Layer Point Quality Flags & */
- /* add Point Quality Flag Sub-Tree */
- /*****************************************************************/
- static void
- dnp3_al_obj_quality(tvbuff_t *tvb, int offset, guint8 al_ptflags, proto_tree *point_tree, proto_item *point_item, enum QUALITY_TYPE type)
- {
- proto_tree *quality_tree;
- proto_item *quality_item;
- int hf0 = 0, hf1 = 0, hf2 = 0, hf3 = 0, hf4 = 0, hf5 = 0, hf6 = 0, hf7 = 0;
- /* Common code */
- proto_item_append_text(point_item, " (Quality: ");
- quality_item = proto_tree_add_text(point_tree, tvb, offset, 1, "Quality: ");
- quality_tree = proto_item_add_subtree(quality_item, ett_dnp3_al_obj_quality);
- if (al_ptflags & AL_OBJ_BI_FLAG0) {
- dnp3_append_2item_text(point_item, quality_item, "Online");
- }
- else {
- dnp3_append_2item_text(point_item, quality_item, "Offline");
- }
- if (al_ptflags & AL_OBJ_BI_FLAG1) dnp3_append_2item_text(point_item, quality_item, ", Restart");
- if (al_ptflags & AL_OBJ_BI_FLAG2) dnp3_append_2item_text(point_item, quality_item, ", Comm Fail");
- if (al_ptflags & AL_OBJ_BI_FLAG3) dnp3_append_2item_text(point_item, quality_item, ", Remote Force");
- if (al_ptflags & AL_OBJ_BI_FLAG4) dnp3_append_2item_text(point_item, quality_item, ", Local Force");
- switch (type) {
- case BIN_IN: /* Binary Input Quality flags */
- if (al_ptflags & AL_OBJ_BI_FLAG5) dnp3_append_2item_text(point_item, quality_item, ", Chatter Filter");
- hf0 = hf_dnp3_al_biq_b0;
- hf1 = hf_dnp3_al_biq_b1;
- hf2 = hf_dnp3_al_biq_b2;
- hf3 = hf_dnp3_al_biq_b3;
- hf4 = hf_dnp3_al_biq_b4;
- hf5 = hf_dnp3_al_biq_b5;
- hf6 = hf_dnp3_al_biq_b6;
- hf7 = hf_dnp3_al_biq_b7;
- break;
- case BIN_OUT: /* Binary Output Quality flags */
- hf0 = hf_dnp3_al_boq_b0;
- hf1 = hf_dnp3_al_boq_b1;
- hf2 = hf_dnp3_al_boq_b2;
- hf3 = hf_dnp3_al_boq_b3;
- hf4 = hf_dnp3_al_boq_b4;
- hf5 = hf_dnp3_al_boq_b5;
- hf6 = hf_dnp3_al_boq_b6;
- hf7 = hf_dnp3_al_boq_b7;
- break;
- case ANA_IN: /* Analog Input Quality flags */
- if (al_ptflags & AL_OBJ_AI_FLAG5) dnp3_append_2item_text(point_item, quality_item, ", Over-Range");
- if (al_ptflags & AL_OBJ_AI_FLAG6) dnp3_append_2item_text(point_item, quality_item, ", Reference Check");
- hf0 = hf_dnp3_al_aiq_b0;
- hf1 = hf_dnp3_al_aiq_b1;
- hf2 = hf_dnp3_al_aiq_b2;
- hf3 = hf_dnp3_al_aiq_b3;
- hf4 = hf_dnp3_al_aiq_b4;
- hf5 = hf_dnp3_al_aiq_b5;
- hf6 = hf_dnp3_al_aiq_b6;
- hf7 = hf_dnp3_al_aiq_b7;
- break;
- case ANA_OUT: /* Analog Output Quality flags */
- hf0 = hf_dnp3_al_aoq_b0;
- hf1 = hf_dnp3_al_aoq_b1;
- hf2 = hf_dnp3_al_aoq_b2;
- hf3 = hf_dnp3_al_aoq_b3;
- hf4 = hf_dnp3_al_aoq_b4;
- hf5 = hf_dnp3_al_aoq_b5;
- hf6 = hf_dnp3_al_aoq_b6;
- hf7 = hf_dnp3_al_aoq_b7;
- break;
- case COUNTER: /* Counter Quality flags */
- if (al_ptflags & AL_OBJ_CTR_FLAG5) dnp3_append_2item_text(point_item, quality_item, ", Roll-over");
- if (al_ptflags & AL_OBJ_CTR_FLAG6) dnp3_append_2item_text(point_item, quality_item, ", Discontinuity");
- hf0 = hf_dnp3_al_ctrq_b0;
- hf1 = hf_dnp3_al_ctrq_b1;
- hf2 = hf_dnp3_al_ctrq_b2;
- hf3 = hf_dnp3_al_ctrq_b3;
- hf4 = hf_dnp3_al_ctrq_b4;
- hf5 = hf_dnp3_al_ctrq_b5;
- hf6 = hf_dnp3_al_ctrq_b6;
- hf7 = hf_dnp3_al_ctrq_b7;
- break;
- }
- if (quality_tree != NULL) {
- proto_tree_add_item(quality_tree, hf7, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf6, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf5, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf4, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf3, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf2, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf1, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(quality_tree, hf0, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- }
- proto_item_append_text(point_item, ")");
- }
- /**********************************************************************/
- /* Function to convert DNP3 timestamp to nstime_t value */
- /**********************************************************************/
- /* 48-bit Time Format */
- /* MSB FF EE DD CC BB AA LSB */
- /* ffffffff eeeeeeee dddddddd cccccccc bbbbbbbb aaaaaaaa */
- /* 47 40 39 32 31 24 23 16 15 8 7 0 */
- /* */
- /* Value is ms since 00:00 on 1/1/1970 */
- /**********************************************************************/
- static void
- dnp3_al_get_timestamp(nstime_t *timestamp, tvbuff_t *tvb, int data_pos)
- {
- guint32 hi, lo;
- guint64 time_ms;
- lo = tvb_get_letohs(tvb, data_pos);
- hi = tvb_get_letohl(tvb, data_pos + 2);
- time_ms = (guint64)hi * 0x10000 + lo;
- timestamp->secs = (long)(time_ms / 1000);
- timestamp->nsecs = (int)(time_ms % 1000) * 1000000;
- }
- /*****************************************************************/
- /* Desc: Application Layer Process Object Details */
- /* Returns: New offset pointer into tvb */
- /*****************************************************************/
- static int
- dnp3_al_process_object(tvbuff_t *tvb, packet_info *pinfo, int offset,
- proto_tree *robj_tree, gboolean header_only,
- guint16 *al_objtype, nstime_t *al_cto)
- {
- guint8 al_objq, al_objq_index, al_objq_code, al_oct_len = 0, bitindex;
- guint16 al_obj, temp;
- guint32 al_ptaddr = 0;
- int num_items = 0;
- int orig_offset, rangebytes = 0;
- proto_item *object_item, *qualifier_item, *range_item;
- proto_tree *object_tree, *qualifier_tree, *range_tree;
- orig_offset = offset;
- /* Application Layer Objects in this Message */
- *al_objtype =
- al_obj = tvb_get_ntohs(tvb, offset);
- /* Special handling for Octet string objects as the variation is the length of the string */
- temp = al_obj & 0xFF00;
- if ((temp == AL_OBJ_OCT) || (temp == AL_OBJ_OCT_EVT )) {
- al_oct_len = al_obj & 0xFF;
- al_obj = temp;
- }
- /* Create Data Objects Detail Tree */
- object_item = proto_tree_add_uint_format(robj_tree, hf_dnp3_al_obj, tvb, offset, 2, al_obj,
- "Object(s): %s (0x%04x)",
- val_to_str_ext_const(al_obj, &dnp3_al_obj_vals_ext, "Unknown Object - Abort Decoding..."),
- al_obj);
- object_tree = proto_item_add_subtree(object_item, ett_dnp3_al_obj);
- offset += 2;
- /* Object Qualifier */
- al_objq = tvb_get_guint8(tvb, offset);
- al_objq_index = al_objq & AL_OBJQ_INDEX;
- al_objq_index = al_objq_index >> 4;
- al_objq_code = al_objq & AL_OBJQ_CODE;
- qualifier_item = proto_tree_add_text(object_tree, tvb, offset, 1, "Qualifier Field, Prefix: %s, Code: %s",
- val_to_str_ext_const(al_objq_index, &dnp3_al_objq_index_vals_ext, "Unknown Index Type"),
- val_to_str_ext_const(al_objq_code, &dnp3_al_objq_code_vals_ext, "Unknown Code Type"));
- qualifier_tree = proto_item_add_subtree(qualifier_item, ett_dnp3_al_obj_qualifier);
- proto_tree_add_item(qualifier_tree, hf_dnp3_al_objq_index, tvb, offset, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item(qualifier_tree, hf_dnp3_al_objq_code, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset += 1;
- /* Create (possibly synthesized) number of items and range field tree */
- range_item = proto_tree_add_text(object_tree, tvb, offset, 0, "Number of Items: ");
- range_tree = proto_item_add_subtree(range_item, ett_dnp3_al_obj_range);
- switch (al_objq_code)
- {
- case AL_OBJQL_CODE_SSI8: /* 8-bit Start and Stop Indices in Range Field */
- num_items = ( tvb_get_guint8(tvb, offset+1) - tvb_get_guint8(tvb, offset) + 1);
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_start8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_stop8, tvb, offset + 1, 1, ENC_LITTLE_ENDIAN);
- rangebytes = 2;
- break;
- case AL_OBJQL_CODE_SSI16: /* 16-bit Start and Stop Indices in Range Field */
- num_items = ( tvb_get_letohs(tvb, offset+2) - tvb_get_letohs(tvb, (offset)) + 1);
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_letohs(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_start16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_stop16, tvb, offset + 2, 2, ENC_LITTLE_ENDIAN);
- rangebytes = 4;
- break;
- case AL_OBJQL_CODE_SSI32: /* 32-bit Start and Stop Indices in Range Field */
- num_items = ( tvb_get_letohl(tvb, offset+4) - tvb_get_letohl(tvb, offset) + 1);
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_letohl(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_start32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_stop32, tvb, offset + 4, 4, ENC_LITTLE_ENDIAN);
- rangebytes = 8;
- break;
- case AL_OBJQL_CODE_AA8: /* 8-bit Absolute Address in Range Field */
- num_items = 1;
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_abs8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- rangebytes = 1;
- break;
- case AL_OBJQL_CODE_AA16: /* 16-bit Absolute Address in Range Field */
- num_items = 1;
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_letohs(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_abs16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- rangebytes = 2;
- break;
- case AL_OBJQL_CODE_AA32: /* 32-bit Absolute Address in Range Field */
- num_items = 1;
- PROTO_ITEM_SET_GENERATED(range_item);
- al_ptaddr = tvb_get_letohl(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_abs32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
- rangebytes = 4;
- break;
- case AL_OBJQL_CODE_SF8: /* 8-bit Single Field Quantity in Range Field */
- num_items = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_quant8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- rangebytes = 1;
- proto_item_set_len(range_item, rangebytes);
- break;
- case AL_OBJQL_CODE_SF16: /* 16-bit Single Field Quantity in Range Field */
- num_items = tvb_get_letohs(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_quant16, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- rangebytes = 2;
- proto_item_set_len(range_item, rangebytes);
- break;
- case AL_OBJQL_CODE_SF32: /* 32-bit Single Field Quantity in Range Field */
- num_items = tvb_get_letohl(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_quant32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
- rangebytes = 4;
- proto_item_set_len(range_item, rangebytes);
- break;
- case AL_OBJQL_CODE_FF: /* 8 bit object count in Range Field */
- num_items = tvb_get_guint8(tvb, offset);
- proto_tree_add_item(range_tree, hf_dnp3_al_range_quant8, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- rangebytes = 1;
- proto_item_set_len(range_item, rangebytes);
- }
- if (num_items > 0) {
- proto_item_append_text(object_item, ", %d point%s", num_items, plurality(num_items, "", "s"));
- }
- proto_item_append_text(range_item, "%d", num_items);
- if (num_items < 0) {
- proto_item_append_text(range_item, " (bogus)");
- expert_add_info(pinfo, range_item, &ei_dnp_num_items_neg);
- return tvb_length(tvb);
- }
- offset += rangebytes;
- bitindex = 0; /* Temp variable for cycling through points when object values are encoded into
- bits; primarily objects 0x0101, 0x0301 & 0x1001 */
- /* Only process the point information for replies or items with point index lists */
- if (!header_only || al_objq_index > 0) {
- int item_num;
- int start_offset;
- start_offset = offset;
- for (item_num = 0; item_num < num_items; item_num++)
- {
- proto_item *point_item;
- proto_tree *point_tree;
- guint data_pos;
- int indexbytes;
- /* Create Point item and Process Index */
- if (al_objq_index <= AL_OBJQL_IDX_4O)
- point_item = proto_tree_add_text(object_tree, tvb, offset, -1, "Point Number");
- else
- point_item = proto_tree_add_text(object_tree, tvb, offset, -1, "Object: Size");
- point_tree = proto_item_add_subtree(point_item, ett_dnp3_al_obj_point);
- data_pos = offset;
- indexbytes = dnp3_al_obj_procindex(tvb, offset, al_objq_index, &al_ptaddr, point_tree);
- proto_item_append_text(point_item, " %u", al_ptaddr);
- proto_item_set_len(point_item, indexbytes);
- data_pos += indexbytes;
- if (!header_only || (AL_OBJQL_IDX_1OS <= al_objq_index && al_objq_index <= AL_OBJQL_IDX_4OS)) {
- guint8 al_2bit, al_ptflags, al_ctlobj_count, al_bi_val, al_tcc_code;
- guint16 al_val16, al_ctlobj_stat;
- guint16 al_relms, al_filename_offs, al_filename_len, al_file_ctrl_mode;
- guint32 al_val32, al_ctlobj_on, al_ctlobj_off, file_data_size;
- nstime_t al_reltime, al_abstime;
- gboolean al_bit;
- gfloat al_valflt;
- gdouble al_valdbl;
- const gchar *ctl_status_str;
- switch (al_obj)
- {
- case AL_OBJ_BI_ALL: /* Binary Input Default Variation (Obj:01, Var:Default) */
- case AL_OBJ_BIC_ALL: /* Binary Input Change Default Variation (Obj:02, Var:Default) */
- case AL_OBJ_BOC_ALL: /* Binary Output Event Default Variation (Obj:11, Var:Default) */
- case AL_OBJ_2BI_ALL: /* Double-bit Input Default Variation (Obj:03, Var:Default) */
- case AL_OBJ_CTR_ALL: /* Binary Counter Default Variation (Obj:20, Var:Default) */
- case AL_OBJ_CTRC_ALL: /* Binary Counter Change Default Variation (Obj:22 Var:Default) */
- case AL_OBJ_AI_ALL: /* Analog Input Default Variation (Obj:30, Var:Default) */
- case AL_OBJ_AIC_ALL: /* Analog Input Change Default Variation (Obj:32 Var:Default) */
- case AL_OBJ_AIDB_ALL: /* Analog Input Deadband Default Variation (Obj:34, Var:Default) */
- case AL_OBJ_AOC_ALL: /* Analog Output Event Default Variation (Obj:42 Var:Default) */
- offset = data_pos;
- break;
- case AL_OBJ_BI_1BIT: /* Single-Bit Binary Input (Obj:01, Var:01) */
- case AL_OBJ_BO: /* Binary Output (Obj:10, Var:01) */
- /* Reset bit index if we've gone onto the next byte */
- if (bitindex > 7)
- {
- bitindex = 0;
- offset += (indexbytes + 1);
- }
- /* Extract the bit from the packed byte */
- al_bi_val = tvb_get_guint8(tvb, offset);
- al_bit = (al_bi_val & (1 << bitindex)) > 0;
- proto_item_append_text(point_item, ", Value: %u", al_bit);
- proto_tree_add_boolean(point_tree, hf_dnp3_al_bit, tvb, offset, 1, al_bit);
- proto_item_set_len(point_item, indexbytes + 1);
- /* If we've read the last item, then move the offset past this byte */
- if (item_num == (num_items-1))
- {
- offset += (indexbytes + 1);
- }
- break;
- case AL_OBJ_2BI_NF: /* Double-bit Input No Flags (Obj:03, Var:01) */
- if (bitindex > 3)
- {
- bitindex = 0;
- offset += (indexbytes + 1);
- }
- /* Extract the Double-bit from the packed byte */
- al_bi_val = tvb_get_guint8(tvb, offset);
- al_2bit = ((al_bi_val >> (bitindex << 1)) & 3);
- proto_item_append_text(point_item, ", Value: %u", al_2bit);
- proto_tree_add_uint(point_tree, hf_dnp3_al_2bit, tvb, offset, 1, al_2bit);
- proto_item_set_len(point_item, indexbytes + 1);
- /* If we've read the last item, then move the offset past this byte */
- if (item_num == (num_items-1))
- {
- offset += (indexbytes + 1);
- }
- break;
- case AL_OBJ_BI_STAT: /* Binary Input With Status (Obj:01, Var:02) */
- case AL_OBJ_BIC_NOTIME: /* Binary Input Change Without Time (Obj:02, Var:01) */
- case AL_OBJ_BO_STAT: /* Binary Output Status (Obj:10, Var:02) */
- case AL_OBJ_BOC_NOTIME: /* Binary Output Change Without Time (Obj:11, Var:01) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- switch (al_obj) {
- case AL_OBJ_BI_STAT:
- case AL_OBJ_BIC_NOTIME:
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_IN);
- break;
- case AL_OBJ_BO_STAT:
- case AL_OBJ_BOC_NOTIME:
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_OUT);
- break;
- }
- data_pos += 1;
- al_bit = (al_ptflags & AL_OBJ_BI_FLAG7) > 0;
- proto_item_append_text(point_item, ", Value: %u", al_bit);
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_2BI_STAT: /* Double-bit Input With Status (Obj:03, Var:02) */
- case AL_OBJ_2BIC_NOTIME: /* Double-bit Input Change Without Time (Obj:04, Var:01) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_IN);
- data_pos += 1;
- al_2bit = (al_ptflags >> 6) & 3;
- proto_item_append_text(point_item, ", Value: %u", al_2bit);
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_BIC_TIME: /* Binary Input Change w/ Time (Obj:02, Var:02) */
- case AL_OBJ_BOC_TIME: /* Binary Output Change w/ Time (Obj:11, Var:02) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- switch (al_obj) {
- case AL_OBJ_BIC_TIME:
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_IN);
- break;
- case AL_OBJ_BOC_TIME:
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_OUT);
- break;
- }
- data_pos += 1;
- /* Get timestamp */
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- al_bit = (al_ptflags & AL_OBJ_BI_FLAG7) >> 7; /* bit shift 1xxxxxxx -> xxxxxxx1 */
- proto_item_append_text(point_item, ", Value: %u, Timestamp: %s",
- al_bit, abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_2BIC_TIME: /* Double-bit Input Change w/ Time (Obj:04, Var:02) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, (offset+indexbytes), al_ptflags, point_tree, point_item, BIN_IN);
- data_pos += 1;
- /* Get timestamp */
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- al_2bit = (al_ptflags >> 6) & 3; /* bit shift 11xxxxxx -> 00000011 */
- proto_item_append_text(point_item, ", Value: %u, Timestamp: %s",
- al_2bit, abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_BIC_RTIME: /* Binary Input Change w/ Relative Time (Obj:02, Var:03) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, BIN_IN);
- data_pos += 1;
- /* Get relative time, and convert to ns_time */
- al_relms = tvb_get_letohs(tvb, data_pos);
- al_reltime.secs = al_relms / 1000;
- al_reltime.nsecs = (al_relms % 1000) * 1000;
- /* Now add to CTO time */
- nstime_sum(&al_abstime, al_cto, &al_reltime);
- proto_tree_add_time(point_tree, hf_dnp3_al_rel_timestamp, tvb, data_pos, 2, &al_reltime);
- data_pos += 2;
- al_bit = (al_ptflags & AL_OBJ_BI_FLAG7) >> 7; /* bit shift 1xxxxxxx -> xxxxxxx1 */
- proto_item_append_text(point_item, ", Value: %u, Timestamp: %s",
- al_bit, abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_CTLOP_BLK:/* Control Relay Output Block (Obj:12, Var:01) */
- {
- proto_item *tcc_item;
- proto_tree *tcc_tree;
- /* Add a expand/collapse for TCC */
- al_tcc_code = tvb_get_guint8(tvb, data_pos);
- tcc_item = proto_tree_add_text(point_tree, tvb, data_pos, 1, "Control Code [0x%02x]",al_tcc_code);
- tcc_tree = proto_item_add_subtree(tcc_item, ett_dnp3_al_obj_point_tcc);
- /* Add the Control Code to the Point number list for quick visual reference as to the operation */
- proto_item_append_text(point_item, " [%s]", val_to_str_const((al_tcc_code & AL_OBJCTLC_CODE),
- dnp3_al_ctlc_code_vals,
- "Invalid Operation"));
- /* Add Trip/Close qualifier (if applicable) to previously appended quick visual reference */
- proto_item_append_text(point_item, " [%s]", val_to_str_const((al_tcc_code & AL_OBJCTLC_TC) >> 6,
- dnp3_al_ctlc_tc_vals,
- "Invalid Qualifier"));
- /* Control Code 'Operation Type' */
- proto_tree_add_item(tcc_tree, hf_dnp3_ctlobj_code_c, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- /* Control Code Misc Values */
- proto_tree_add_item(tcc_tree, hf_dnp3_ctlobj_code_m, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- /* Control Code 'Trip Close Code' */
- proto_tree_add_item(tcc_tree, hf_dnp3_ctlobj_code_tc, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- data_pos += 1;
- /* Get "Count" Field */
- al_ctlobj_count = tvb_get_guint8(tvb, data_pos);
- data_pos += 1;
- /* Get "On Time" Field */
- al_ctlobj_on = tvb_get_letohl(tvb, data_pos);
- data_pos += 4;
- /* Get "Off Time" Field */
- al_ctlobj_off = tvb_get_letohl(tvb, data_pos);
- data_pos += 4;
- /* Print "Count", "On Time" and "Off Time" to tree */
- proto_tree_add_text(point_tree, tvb, data_pos - 9, 9,
- "[Count: %u] [On-Time: %u] [Off-Time: %u]",
- al_ctlobj_count, al_ctlobj_on, al_ctlobj_off);
- /* Get "Control Status" Field */
- proto_tree_add_item(point_tree, hf_dnp3_al_ctrlstatus, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- data_pos += 1;
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- }
- case AL_OBJ_AO_32OPB: /* 32-Bit Analog Output Block (Obj:41, Var:01) */
- case AL_OBJ_AO_16OPB: /* 16-Bit Analog Output Block (Obj:41, Var:02) */
- case AL_OBJ_AO_FLTOPB: /* 32-Bit Floating Point Output Block (Obj:41, Var:03) */
- case AL_OBJ_AO_DBLOPB: /* 64-Bit Floating Point Output Block (Obj:41, Var:04) */
- switch (al_obj)
- {
- case AL_OBJ_AO_32OPB:
- al_val32 = tvb_get_letohl(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val32);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaout32, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AO_16OPB:
- al_val32 = tvb_get_letohs(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val32);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaout16, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- break;
- case AL_OBJ_AO_FLTOPB:
- al_valflt = tvb_get_letohieee_float(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valflt);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaoutflt, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AO_DBLOPB:
- al_valdbl = tvb_get_letohieee_double(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valdbl);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaoutdbl, tvb, data_pos, 8, ENC_LITTLE_ENDIAN);
- data_pos += 8;
- break;
- }
- /* Get control status */
- al_ctlobj_stat = tvb_get_guint8(tvb, data_pos);
- ctl_status_str = val_to_str_ext(al_ctlobj_stat, &dnp3_al_ctl_status_vals_ext, "Invalid Status (0x%02x)");
- proto_item_append_text(point_item, " [Status: %s (0x%02x)]", ctl_status_str, al_ctlobj_stat);
- proto_tree_add_item(point_tree, hf_dnp3_al_ctrlstatus, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- data_pos += 1;
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_CTR_32: /* 32-Bit Binary Counter (Obj:20, Var:01) */
- case AL_OBJ_CTR_16: /* 16-Bit Binary Counter (Obj:20, Var:02) */
- case AL_OBJ_DCTR_32: /* 32-Bit Binary Delta Counter (Obj:20, Var:03) */
- case AL_OBJ_DCTR_16: /* 16-Bit Binary Delta Counter (Obj:20, Var:04) */
- case AL_OBJ_CTR_32NF: /* 32-Bit Binary Counter Without Flag (Obj:20, Var:05) */
- case AL_OBJ_CTR_16NF: /* 16-Bit Binary Counter Without Flag (Obj:20, Var:06) */
- case AL_OBJ_DCTR_32NF: /* 32-Bit Binary Delta Counter Without Flag (Obj:20, Var:07) */
- case AL_OBJ_DCTR_16NF: /* 16-Bit Binary Delta Counter Without Flag (Obj:20, Var:08) */
- case AL_OBJ_FCTR_32: /* 32-Bit Frozen Counter (Obj:21, Var:01) */
- case AL_OBJ_FCTR_16: /* 16-Bit Frozen Counter (Obj:21, Var:02) */
- case AL_OBJ_FDCTR_32: /* 21 03 32-Bit Frozen Delta Counter */
- case AL_OBJ_FDCTR_16: /* 21 04 16-Bit Frozen Delta Counter */
- case AL_OBJ_FCTR_32T: /* 21 05 32-Bit Frozen Counter w/ Time of Freeze */
- case AL_OBJ_FCTR_16T: /* 21 06 16-Bit Frozen Counter w/ Time of Freeze */
- case AL_OBJ_FDCTR_32T: /* 21 07 32-Bit Frozen Delta Counter w/ Time of Freeze */
- case AL_OBJ_FDCTR_16T: /* 21 08 16-Bit Frozen Delta Counter w/ Time of Freeze */
- case AL_OBJ_FCTR_32NF: /* 21 09 32-Bit Frozen Counter Without Flag */
- case AL_OBJ_FCTR_16NF: /* 21 10 16-Bit Frozen Counter Without Flag */
- case AL_OBJ_FDCTR_32NF: /* 21 11 32-Bit Frozen Delta Counter Without Flag */
- case AL_OBJ_FDCTR_16NF: /* 21 12 16-Bit Frozen Delta Counter Without Flag */
- case AL_OBJ_CTRC_32: /* 32-Bit Counter Change Event w/o Time (Obj:22, Var:01) */
- case AL_OBJ_CTRC_16: /* 16-Bit Counter Change Event w/o Time (Obj:22, Var:02) */
- case AL_OBJ_DCTRC_32: /* 32-Bit Delta Counter Change Event w/o Time (Obj:22, Var:03) */
- case AL_OBJ_DCTRC_16: /* 16-Bit Delta Counter Change Event w/o Time (Obj:22, Var:04) */
- case AL_OBJ_CTRC_32T: /* 32-Bit Counter Change Event with Time (Obj:22, Var:05) */
- case AL_OBJ_CTRC_16T: /* 16-Bit Counter Change Event with Time (Obj:22, Var:06) */
- case AL_OBJ_DCTRC_32T: /* 32-Bit Delta Counter Change Event with Time (Obj:22, Var:07) */
- case AL_OBJ_DCTRC_16T: /* 16-Bit Delta Counter Change Event with Time (Obj:22, Var:08) */
- case AL_OBJ_FCTRC_32: /* 21 01 32-Bit Frozen Counter Change Event */
- case AL_OBJ_FCTRC_16: /* 21 02 16-Bit Frozen Counter Change Event */
- case AL_OBJ_FDCTRC_32: /* 21 03 32-Bit Frozen Delta Counter Change Event */
- case AL_OBJ_FDCTRC_16: /* 21 04 16-Bit Frozen Delta Counter Change Event */
- case AL_OBJ_FCTRC_32T: /* 21 05 32-Bit Frozen Counter Change Event w/ Time of Freeze */
- case AL_OBJ_FCTRC_16T: /* 21 06 16-Bit Frozen Counter Change Event w/ Time of Freeze */
- case AL_OBJ_FDCTRC_32T: /* 21 07 32-Bit Frozen Delta Counter Change Event w/ Time of Freeze */
- case AL_OBJ_FDCTRC_16T: /* 21 08 16-Bit Frozen Delta Counter Change Event w/ Time of Freeze */
- /* Get Point Flags for those types that have them, it's easier to block out those that don't have flags */
- switch (al_obj)
- {
- case AL_OBJ_CTR_32NF:
- case AL_OBJ_CTR_16NF:
- case AL_OBJ_DCTR_32NF:
- case AL_OBJ_DCTR_16NF:
- case AL_OBJ_FCTR_32NF:
- case AL_OBJ_FCTR_16NF:
- case AL_OBJ_FDCTR_32NF:
- case AL_OBJ_FDCTR_16NF:
- break;
- default:
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, COUNTER);
- data_pos += 1;
- break;
- }
- /* Get Counter values */
- switch (al_obj)
- {
- case AL_OBJ_CTR_32:
- case AL_OBJ_DCTR_32:
- case AL_OBJ_CTR_32NF:
- case AL_OBJ_DCTR_32NF:
- case AL_OBJ_FCTR_32:
- case AL_OBJ_FDCTR_32:
- case AL_OBJ_FCTR_32T:
- case AL_OBJ_FDCTR_32T:
- case AL_OBJ_FCTR_32NF:
- case AL_OBJ_FDCTR_32NF:
- case AL_OBJ_CTRC_32:
- case AL_OBJ_DCTRC_32:
- case AL_OBJ_CTRC_32T:
- case AL_OBJ_DCTRC_32T:
- case AL_OBJ_FCTRC_32:
- case AL_OBJ_FDCTRC_32:
- case AL_OBJ_FCTRC_32T:
- case AL_OBJ_FDCTRC_32T:
- al_val32 = tvb_get_letohl(tvb, data_pos);
- proto_item_append_text(point_item, ", Count: %u", al_val32);
- proto_tree_add_item(point_tree, hf_dnp3_al_cnt32, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_CTR_16:
- case AL_OBJ_DCTR_16:
- case AL_OBJ_CTR_16NF:
- case AL_OBJ_DCTR_16NF:
- case AL_OBJ_FCTR_16:
- case AL_OBJ_FDCTR_16:
- case AL_OBJ_FCTR_16T:
- case AL_OBJ_FDCTR_16T:
- case AL_OBJ_FCTR_16NF:
- case AL_OBJ_FDCTR_16NF:
- case AL_OBJ_CTRC_16:
- case AL_OBJ_DCTRC_16:
- case AL_OBJ_CTRC_16T:
- case AL_OBJ_DCTRC_16T:
- case AL_OBJ_FCTRC_16:
- case AL_OBJ_FDCTRC_16:
- case AL_OBJ_FCTRC_16T:
- case AL_OBJ_FDCTRC_16T:
- al_val16 = tvb_get_letohs(tvb, data_pos);
- proto_item_append_text(point_item, ", Count: %u", al_val16);
- proto_tree_add_item(point_tree, hf_dnp3_al_cnt16, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- break;
- }
- /* Get the time for those points that have it */
- switch (al_obj)
- {
- case AL_OBJ_FCTR_32T:
- case AL_OBJ_FCTR_16T:
- case AL_OBJ_FDCTR_32T:
- case AL_OBJ_FDCTR_16T:
- case AL_OBJ_CTRC_32T:
- case AL_OBJ_CTRC_16T:
- case AL_OBJ_DCTRC_32T:
- case AL_OBJ_DCTRC_16T:
- case AL_OBJ_FCTRC_32T:
- case AL_OBJ_FCTRC_16T:
- case AL_OBJ_FDCTRC_32T:
- case AL_OBJ_FDCTRC_16T:
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_item_append_text(point_item, ", Timestamp: %s", abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- break;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_AI_32: /* 32-Bit Analog Input (Obj:30, Var:01) */
- case AL_OBJ_AI_16: /* 16-Bit Analog Input (Obj:30, Var:02) */
- case AL_OBJ_AI_32NF: /* 32-Bit Analog Input Without Flag (Obj:30, Var:03) */
- case AL_OBJ_AI_16NF: /* 16-Bit Analog Input Without Flag (Obj:30, Var:04) */
- case AL_OBJ_AI_FLT: /* 32-Bit Floating Point Input (Obj:30, Var:05) */
- case AL_OBJ_AI_DBL: /* 64-Bit Floating Point Input (Obj:30, Var:06) */
- case AL_OBJ_AIF_FLT: /* 32-Bit Frozen Floating Point Input (Obj:31, Var:07) */
- case AL_OBJ_AIF_DBL: /* 64-Bit Frozen Floating Point Input (Obj:31, Var:08) */
- case AL_OBJ_AIC_32NT: /* 32-Bit Analog Change Event w/o Time (Obj:32, Var:01) */
- case AL_OBJ_AIC_16NT: /* 16-Bit Analog Change Event w/o Time (Obj:32, Var:02) */
- case AL_OBJ_AIC_32T: /* 32-Bit Analog Change Event with Time (Obj:32, Var:03) */
- case AL_OBJ_AIC_16T: /* 16-Bit Analog Change Event with Time (Obj:32, Var:04) */
- case AL_OBJ_AIC_FLTNT: /* 32-Bit Floating Point Change Event w/o Time (Obj:32, Var:05) */
- case AL_OBJ_AIC_DBLNT: /* 64-Bit Floating Point Change Event w/o Time (Obj:32, Var:06) */
- case AL_OBJ_AIC_FLTT: /* 32-Bit Floating Point Change Event w/ Time (Obj:32, Var:07) */
- case AL_OBJ_AIC_DBLT: /* 64-Bit Floating Point Change Event w/ Time (Obj:32, Var:08) */
- case AL_OBJ_AIFC_FLTNT: /* 32-Bit Floating Point Frozen Change Event w/o Time (Obj:33, Var:05) */
- case AL_OBJ_AIFC_DBLNT: /* 64-Bit Floating Point Frozen Change Event w/o Time (Obj:33, Var:06) */
- case AL_OBJ_AIFC_FLTT: /* 32-Bit Floating Point Frozen Change Event w/ Time (Obj:33, Var:07) */
- case AL_OBJ_AIFC_DBLT: /* 64-Bit Floating Point Frozen Change Event w/ Time (Obj:33, Var:08) */
- case AL_OBJ_AIDB_16: /* 16-Bit Analog Input Deadband (Obj:34, Var:01) */
- case AL_OBJ_AIDB_32: /* 32-Bit Analog Input Deadband (Obj:34, Var:02) */
- case AL_OBJ_AIDB_FLT: /* 32-Bit Floating Point Analog Input Deadband (Obj:34, Var:03) */
- /* Get Point Flags for those types that have them */
- switch (al_obj)
- {
- case AL_OBJ_AI_32NF:
- case AL_OBJ_AI_16NF:
- case AL_OBJ_AIDB_16:
- case AL_OBJ_AIDB_32:
- case AL_OBJ_AIDB_FLT:
- break;
- default:
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, ANA_IN);
- data_pos += 1;
- break;
- }
- switch (al_obj)
- {
- case AL_OBJ_AI_32:
- case AL_OBJ_AI_32NF:
- case AL_OBJ_AIC_32NT:
- case AL_OBJ_AIC_32T:
- case AL_OBJ_AIDB_32:
- al_val32 = tvb_get_letohl(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val32);
- proto_tree_add_item(point_tree, hf_dnp3_al_ana32, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AI_16:
- case AL_OBJ_AI_16NF:
- case AL_OBJ_AIC_16NT:
- case AL_OBJ_AIC_16T:
- case AL_OBJ_AIDB_16:
- al_val16 = tvb_get_letohs(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val16);
- proto_tree_add_item(point_tree, hf_dnp3_al_ana16, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- break;
- case AL_OBJ_AI_FLT:
- case AL_OBJ_AIF_FLT:
- case AL_OBJ_AIC_FLTNT:
- case AL_OBJ_AIC_FLTT:
- case AL_OBJ_AIFC_FLTNT:
- case AL_OBJ_AIFC_FLTT:
- case AL_OBJ_AIDB_FLT:
- al_valflt = tvb_get_letohieee_float(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valflt);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaflt, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AI_DBL:
- case AL_OBJ_AIF_DBL:
- case AL_OBJ_AIC_DBLNT:
- case AL_OBJ_AIC_DBLT:
- case AL_OBJ_AIFC_DBLNT:
- case AL_OBJ_AIFC_DBLT:
- al_valdbl = tvb_get_letohieee_double(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valdbl);
- proto_tree_add_item(point_tree, hf_dnp3_al_anadbl, tvb, data_pos, 8, ENC_LITTLE_ENDIAN);
- data_pos += 8;
- break;
- }
- /* Get timestamp */
- switch (al_obj)
- {
- case AL_OBJ_AIC_32T:
- case AL_OBJ_AIC_16T:
- case AL_OBJ_AIC_FLTT:
- case AL_OBJ_AIC_DBLT:
- case AL_OBJ_AIFC_FLTT:
- case AL_OBJ_AIFC_DBLT:
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_item_append_text(point_item, ", Timestamp: %s", abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- break;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_AO_32: /* 32-Bit Analog Output Status (Obj:40, Var:01) */
- case AL_OBJ_AO_16: /* 16-Bit Analog Output Status (Obj:40, Var:02) */
- case AL_OBJ_AO_FLT: /* 32-Bit Floating Point Output Status (Obj:40, Var:03) */
- case AL_OBJ_AO_DBL: /* 64-Bit Floating Point Output Status (Obj:40, Var:04) */
- case AL_OBJ_AOC_32NT: /* 32-Bit Analog Output Event w/o Time (Obj:42, Var:01) */
- case AL_OBJ_AOC_16NT: /* 16-Bit Analog Output Event w/o Time (Obj:42, Var:02) */
- case AL_OBJ_AOC_32T: /* 32-Bit Analog Output Event with Time (Obj:42, Var:03) */
- case AL_OBJ_AOC_16T: /* 16-Bit Analog Output Event with Time (Obj:42, Var:04) */
- case AL_OBJ_AOC_FLTNT: /* 32-Bit Floating Point Output Event w/o Time (Obj:42, Var:05) */
- case AL_OBJ_AOC_DBLNT: /* 64-Bit Floating Point Output Event w/o Time (Obj:42, Var:06) */
- case AL_OBJ_AOC_FLTT: /* 32-Bit Floating Point Output Event w/ Time (Obj:42, Var:07) */
- case AL_OBJ_AOC_DBLT: /* 64-Bit Floating Point Output Event w/ Time (Obj:42, Var:08) */
- /* Get Point Flags */
- al_ptflags = tvb_get_guint8(tvb, data_pos);
- dnp3_al_obj_quality(tvb, data_pos, al_ptflags, point_tree, point_item, ANA_OUT);
- data_pos += 1;
- switch (al_obj)
- {
- case AL_OBJ_AO_32: /* 32-Bit Analog Output Status (Obj:40, Var:01) */
- case AL_OBJ_AOC_32NT: /* 32-Bit Analog Output Event w/o Time (Obj:42, Var:01) */
- case AL_OBJ_AOC_32T: /* 32-Bit Analog Output Event with Time (Obj:42, Var:03) */
- al_val32 = tvb_get_letohl(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val32);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaout32, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AO_16: /* 16-Bit Analog Output Status (Obj:40, Var:02) */
- case AL_OBJ_AOC_16NT: /* 16-Bit Analog Output Event w/o Time (Obj:42, Var:02) */
- case AL_OBJ_AOC_16T: /* 16-Bit Analog Output Event with Time (Obj:42, Var:04) */
- al_val16 = tvb_get_letohs(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %u", al_val16);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaout16, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- break;
- case AL_OBJ_AO_FLT: /* 32-Bit Floating Point Output Status (Obj:40, Var:03) */
- case AL_OBJ_AOC_FLTNT: /* 32-Bit Floating Point Output Event w/o Time (Obj:42, Var:05) */
- case AL_OBJ_AOC_FLTT: /* 32-Bit Floating Point Output Event w/ Time (Obj:42, Var:07) */
- al_valflt = tvb_get_letohieee_float(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valflt);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaoutflt, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- break;
- case AL_OBJ_AO_DBL: /* 64-Bit Floating Point Output Status (Obj:40, Var:04) */
- case AL_OBJ_AOC_DBLNT: /* 64-Bit Floating Point Output Event w/o Time (Obj:42, Var:06) */
- case AL_OBJ_AOC_DBLT: /* 64-Bit Floating Point Output Event w/ Time (Obj:42, Var:08) */
- al_valdbl = tvb_get_letohieee_double(tvb, data_pos);
- proto_item_append_text(point_item, ", Value: %g", al_valdbl);
- proto_tree_add_item(point_tree, hf_dnp3_al_anaoutdbl, tvb, data_pos, 8, ENC_LITTLE_ENDIAN);
- data_pos += 8;
- break;
- }
- /* Get timestamp */
- switch (al_obj)
- {
- case AL_OBJ_AOC_32T:
- case AL_OBJ_AOC_16T:
- case AL_OBJ_AOC_FLTT:
- case AL_OBJ_AOC_DBLT:
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_item_append_text(point_item, ", Timestamp: %s", abs_time_to_str(&al_abstime, ABSOLUTE_TIME_UTC, FALSE));
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- break;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_TD: /* Time and Date (Obj:50, Var:01) */
- case AL_OBJ_TDR: /* Time and Date at Last Recorded Time (Obj:50, Var:03) */
- case AL_OBJ_TDCTO: /* Time and Date CTO (Obj:51, Var:01) */
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_tree_add_time(object_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- data_pos += 6;
- proto_item_set_len(point_item, data_pos - offset);
- if (al_obj == AL_OBJ_TDCTO) {
- /* Copy the time object to the CTO for any other relative time objects in this response */
- nstime_copy(al_cto, &al_abstime);
- }
- offset = data_pos;
- break;
- case AL_OBJ_TDELAYF: /* Time Delay - Fine (Obj:52, Var:02) */
- al_val16 = tvb_get_letohs(tvb, data_pos);
- proto_tree_add_text(object_tree, tvb, data_pos, 2, "Time Delay: %u ms", al_val16);
- data_pos += 2;
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_CLASS0: /* Class Data Objects */
- case AL_OBJ_CLASS1:
- case AL_OBJ_CLASS2:
- case AL_OBJ_CLASS3:
- /* No data here */
- offset = data_pos;
- break;
- case AL_OBJ_FILE_CMD: /* File Control - File Command (Obj:70, Var:03) */
- /* File name offset and length */
- al_filename_offs = tvb_get_letohs(tvb, data_pos);
- proto_tree_add_text(point_tree, tvb, data_pos, 2, "File String Offset: %u", al_filename_offs);
- data_pos += 2;
- al_filename_len = tvb_get_letohs(tvb, data_pos);
- proto_tree_add_text(point_tree, tvb, data_pos, 2, "File String Length: %u", al_filename_len);
- data_pos += 2;
- /* Grab the mode as it determines if some of the following fields are relevant */
- al_file_ctrl_mode = tvb_get_letohs(tvb, data_pos + 16);
- /* Creation Time */
- if (al_file_ctrl_mode == AL_OBJ_FILE_MODE_WRITE) {
- dnp3_al_get_timestamp(&al_abstime, tvb, data_pos);
- proto_tree_add_time(point_tree, hf_dnp3_al_timestamp, tvb, data_pos, 6, &al_abstime);
- }
- data_pos += 6;
- /* Perms */
- if (al_file_ctrl_mode == AL_OBJ_FILE_MODE_WRITE) {
- proto_item *perms_item;
- proto_tree *perms_tree;
- perms_item = proto_tree_add_item(point_tree, hf_dnp3_al_file_perms, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- perms_tree = proto_item_add_subtree(perms_item, ett_dnp3_al_obj_point_perms);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_read_owner, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_write_owner, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_exec_owner, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_read_group, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_write_group, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_exec_group, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_read_world, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_write_world, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(perms_tree, hf_dnp3_al_file_perms_exec_world, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- }
- data_pos += 2;
- /* Auth Key */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_auth, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* File Size */
- if (al_file_ctrl_mode == AL_OBJ_FILE_MODE_WRITE || al_file_ctrl_mode == AL_OBJ_FILE_MODE_APPEND) {
- proto_tree_add_item(point_tree, hf_dnp3_al_file_size, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- }
- data_pos += 4;
- /* Mode */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_mode, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- /* Max Block Size */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_maxblk, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- /* Request ID */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_reqID, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- /* Filename */
- if (al_filename_len > 0) {
- const gchar *al_filename;
- al_filename = tvb_get_ephemeral_string(tvb, data_pos, al_filename_len);
- proto_tree_add_text(point_tree, tvb, data_pos, al_filename_len, "File Name: %s", al_filename);
- }
- data_pos += al_filename_len;
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_FILE_STAT: /* File Control - File Status (Obj:70, Var:04) */
- /* File Handle */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_handle, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* File Size */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_size, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* Max Block Size */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_maxblk, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- /* Request ID */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_reqID, tvb, data_pos, 2, ENC_LITTLE_ENDIAN);
- data_pos += 2;
- /* Status code */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_status, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- data_pos += 1;
- /* Optional text */
- file_data_size = al_ptaddr - (data_pos - offset - indexbytes);
- if ((file_data_size) > 0) {
- proto_tree_add_item(point_tree, hf_dnp3_al_file_data, tvb, data_pos, file_data_size, ENC_NA);
- data_pos += file_data_size;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_FILE_TRANS: /* File Control - File Transport (Obj:70, Var:05) */
- /* File Handle */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_handle, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* File block (bits 0 - 30) and last block flag (bit 31) */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_blocknum, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(point_tree, hf_dnp3_al_file_lastblock, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* File data */
- file_data_size = al_ptaddr - (data_pos - offset - indexbytes);
- if ((file_data_size) > 0) {
- proto_tree_add_item(point_tree, hf_dnp3_al_file_data, tvb, data_pos, file_data_size, ENC_NA);
- data_pos += file_data_size;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_FILE_TRAN_ST: /* File Control Tansport Status (Obj:70, Var:06) */
- /* File Handle */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_handle, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* File block (bits 0 - 30) and last block flag (bit 31) */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_blocknum, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(point_tree, hf_dnp3_al_file_lastblock, tvb, data_pos, 4, ENC_LITTLE_ENDIAN);
- data_pos += 4;
- /* Status code */
- proto_tree_add_item(point_tree, hf_dnp3_al_file_status, tvb, data_pos, 1, ENC_LITTLE_ENDIAN);
- data_pos += 1;
- /* Optional text */
- file_data_size = al_ptaddr - (data_pos - offset - indexbytes);
- if ((file_data_size) > 0) {
- proto_tree_add_item(point_tree, hf_dnp3_al_file_data, tvb, data_pos, file_data_size, ENC_NA);
- data_pos += file_data_size;
- }
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_IIN: /* IIN Data Object */
- /* Single byte of data here */
- proto_tree_add_text(object_tree, tvb, data_pos, 1, "Value: %u", tvb_get_guint8(tvb, data_pos));
- data_pos += 1;
- proto_item_set_len(point_item, data_pos - offset);
- offset = data_pos;
- break;
- case AL_OBJ_OCT: /* Octet string */
- case AL_OBJ_OCT_EVT: /* Octet string event */
- /* read the number of bytes defined by the variation */
- if (al_oct_len > 0) {
- proto_tree_add_text(object_tree, tvb, data_pos, al_oct_len, "Octet String (%u bytes)", al_oct_len);
- data_pos += al_oct_len;
- proto_item_set_len(point_item, data_pos - offset);
- }
- offset = data_pos;
- break;
- default: /* In case of unknown object */
- proto_tree_add_text(object_tree, tvb, offset, -1,
- "Unknown Data Chunk, %u Bytes", tvb_reported_length_remaining(tvb, offset));
- offset = tvb_length(tvb); /* Finish decoding if unknown object is encountered... */
- break;
- }
- /* Increment the bit index for next time */
- bitindex++;
- /* And increment the point address, may be overwritten by an index value */
- al_ptaddr++;
- }
- if (start_offset > offset) {
- expert_add_info(pinfo, point_item, &ei_dnp_invalid_length);
- offset = tvb_length(tvb); /* Finish decoding if unknown object is encountered... */
- }
- }
- }
- proto_item_set_len(object_item, offset - orig_offset);
- return offset;
- }
- /*****************************************************************/
- /* Application Layer Dissector */
- /*****************************************************************/
- static int
- dissect_dnp3_al(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
- {
- guint8 al_ctl, al_seq, al_func, al_class = 0, i;
- guint16 bytes, obj_type;
- guint data_len = 0, offset = 0;
- proto_item *ti, *tc, *t_robj;
- proto_tree *al_tree, *field_tree, *robj_tree;
- const gchar *func_code_str;
- nstime_t al_cto;
- nstime_set_zero (&al_cto);
- data_len = tvb_length(tvb);
- /* Handle the control byte and function code */
- al_ctl = tvb_get_guint8(tvb, offset);
- al_seq = al_ctl & DNP3_AL_SEQ;
- al_func = tvb_get_guint8(tvb, (offset+1));
- func_code_str = val_to_str_ext(al_func, &dnp3_al_func_vals_ext, "Unknown function (0x%02x)");
- /* Clear out lower layer info */
- col_clear(pinfo->cinfo, COL_INFO);
- col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "%s", func_code_str);
- col_set_fence(pinfo->cinfo, COL_INFO);
- /* format up the text representation */
- ti = proto_tree_add_text(tree, tvb, offset, data_len, "Application Layer: (");
- if (al_ctl & DNP3_AL_FIR) proto_item_append_text(ti, "FIR, ");
- if (al_ctl & DNP3_AL_FIN) proto_item_append_text(ti, "FIN, ");
- if (al_ctl & DNP3_AL_CON) proto_item_append_text(ti, "CON, ");
- if (al_ctl & DNP3_AL_UNS) proto_item_append_text(ti, "UNS, ");
- proto_item_append_text(ti, "Sequence %u, %s)", al_seq, func_code_str);
- /* Add the al tree branch */
- al_tree = proto_item_add_subtree(ti, ett_dnp3_al);
- /* Application Layer control byte subtree */
- tc = proto_tree_add_uint_format(al_tree, hf_dnp3_al_ctl, tvb, offset, 1, al_ctl,
- "Control: 0x%02x (", al_ctl);
- if (al_ctl & DNP3_AL_FIR) proto_item_append_text(tc, "FIR, ");
- if (al_ctl & DNP3_AL_FIN) proto_item_append_text(tc, "FIN, ");
- if (al_ctl & DNP3_AL_CON) proto_item_append_text(tc, "CON, ");
- if (al_ctl & DNP3_AL_UNS) proto_item_append_text(tc, "UNS, ");
- proto_item_append_text(tc, "Sequence %u)", al_seq);
- field_tree = proto_item_add_subtree(tc, ett_dnp3_al_ctl);
- proto_tree_add_boolean(field_tree, hf_dnp3_al_fir, tvb, offset, 1, al_ctl);
- proto_tree_add_boolean(field_tree, hf_dnp3_al_fin, tvb, offset, 1, al_ctl);
- proto_tree_add_boolean(field_tree, hf_dnp3_al_con, tvb, offset, 1, al_ctl);
- proto_tree_add_boolean(field_tree, hf_dnp3_al_uns, tvb, offset, 1, al_ctl);
- proto_tree_add_item(field_tree, hf_dnp3_al_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset += 1;
- #if 0
- /* If this packet is NOT the final Application Layer Message, exit and continue
- processing the remaining data in the fragment. */
- if (!(al_ctl & DNP3_AL_FIN)) {
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "Buffering User Data Until Final Frame is Received..");
- return 1;
- }
- #endif
- /* Application Layer Function Code Byte */
- proto_tree_add_uint_format(al_tree, hf_dnp3_al_func, tvb, offset, 1, al_func,
- "Function Code: %s (0x%02x)", func_code_str, al_func);
- offset += 1;
- switch (al_func)
- {
- case AL_FUNC_READ: /* Read Function Code 0x01 */
- /* Create Read Request Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "READ Request Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, TRUE, &obj_type, &al_cto);
- /* Update class type for each object that was a class read */
- switch(obj_type) {
- case AL_OBJ_CLASS0:
- case AL_OBJ_CLASS1:
- case AL_OBJ_CLASS2:
- case AL_OBJ_CLASS3:
- al_class |= (1 << ((obj_type & 0x0f) - 1));
- break;
- default:
- break;
- }
- }
- /* Update the col info if there were class reads */
- if (al_class != 0) {
- col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Class ");
- for (i = 0; i < 4; i++) {
- if (al_class & (1 << i)) {
- col_append_fstr(pinfo->cinfo, COL_INFO, "%u", i);
- }
- }
- }
- /* For reads for specific object types, bit-mask out the first byte and use that to determine the column info to add */
- switch(obj_type & 0xFF00) {
- case AL_OBJ_BI_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Binary Input"); break;
- case AL_OBJ_BIC_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Binary Input Change"); break;
- case AL_OBJ_2BI_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Double-bit Input"); break;
- case AL_OBJ_BO_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Binary Output"); break;
- case AL_OBJ_CTR_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Counter"); break;
- case AL_OBJ_FCTR_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Frozen Counter"); break;
- case AL_OBJ_CTRC_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Counter Change"); break;
- case AL_OBJ_FCTRC_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Frozen Counter Change"); break;
- case AL_OBJ_AI_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Analog Input"); break;
- case AL_OBJ_AIC_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Analog Input Change"); break;
- case AL_OBJ_AO_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Analog Output"); break;
- case AL_OBJ_AOC_ALL: col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Analog Output Change"); break;
- default: break;
- }
- break;
- case AL_FUNC_WRITE: /* Write Function Code 0x02 */
- /* Create Write Request Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "WRITE Request Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_SELECT: /* Select Function Code 0x03 */
- /* Create Select Request Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "SELECT Request Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_OPERATE: /* Operate Function Code 0x04 */
- /* Functionally identical to 'SELECT' Function Code */
- /* Create Operate Request Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "OPERATE Request Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_DIROP: /* Direct Operate Function Code 0x05 */
- /* Functionally identical to 'SELECT' Function Code */
- /* Create Direct Operate Request Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "DIRECT OPERATE Request Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_ENSPMSG: /* Enable Spontaneous Messages Function Code 0x14 */
- /* Create Enable Spontaneous Messages Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "Enable Spontaneous Msg's Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_DISSPMSG: /* Disable Spontaneous Messages Function Code 0x15 */
- /* Create Disable Spontaneous Messages Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "Disable Spontaneous Msg's Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_DELAYMST: /* Delay Measurement Function Code 0x17 */
- break;
- case AL_FUNC_OPENFILE: /* Open File Function Code 0x19 */
- case AL_FUNC_CLOSEFILE: /* Close File Function Code 0x1A */
- case AL_FUNC_DELETEFILE: /* Delete File Function Code 0x1B */
- /* Create File Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1, "File Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- case AL_FUNC_RESPON: /* Response Function Code 0x81 */
- case AL_FUNC_UNSOLI: /* Unsolicited Response Function Code 0x82 */
- /* Application Layer IIN bits req'd if message is a response */
- dnp3_al_process_iin(tvb, offset, al_tree);
- offset += 2;
- /* Ensure there is actual data remaining in the message.
- A response will not contain data following the IIN bits,
- if there is none available */
- bytes = tvb_reported_length_remaining(tvb, offset);
- if (bytes > 0)
- {
- /* Create Response Data Objects Tree */
- t_robj = proto_tree_add_text(al_tree, tvb, offset, -1,"RESPONSE Data Objects");
- robj_tree = proto_item_add_subtree(t_robj, ett_dnp3_al_objdet);
- /* Process Data Object Details */
- while (offset <= (data_len-2)) { /* 2 octet object code + CRC32 */
- offset = dnp3_al_process_object(tvb, pinfo, offset, robj_tree, FALSE, &obj_type, &al_cto);
- }
- break;
- }
- default: /* Unknown Function */
- break;
- }
- return 0;
- }
- /*****************************************************************/
- /* Data Link and Transport layer dissector */
- /*****************************************************************/
- static void
- dissect_dnp3_message(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
- {
- proto_item *ti, *tdl, *tc;
- proto_tree *dnp3_tree, *dl_tree, *field_tree;
- int offset = 0, temp_offset = 0;
- gboolean dl_prm;
- guint8 dl_len, dl_ctl, dl_func;
- const gchar *func_code_str;
- guint16 dl_dst, dl_src, dl_crc, calc_dl_crc;
- /* Make entries in Protocol column and Info column on summary display */
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "DNP 3.0");
- col_clear(pinfo->cinfo, COL_INFO);
- /* Skip "0x0564" header bytes */
- temp_offset += 2;
- dl_len = tvb_get_guint8(tvb, temp_offset);
- temp_offset += 1;
- dl_ctl = tvb_get_guint8(tvb, temp_offset);
- temp_offset += 1;
- dl_dst = tvb_get_letohs(tvb, temp_offset);
- temp_offset += 2;
- dl_src = tvb_get_letohs(tvb, temp_offset);
- dl_func = dl_ctl & DNP3_CTL_FUNC;
- dl_prm = dl_ctl & DNP3_CTL_PRM;
- func_code_str = val_to_str(dl_func, dl_prm ? dnp3_ctl_func_pri_vals : dnp3_ctl_func_sec_vals,
- "Unknown function (0x%02x)");
- /* Make sure source and dest are always in the info column */
- col_append_fstr(pinfo->cinfo, COL_INFO, "from %u to %u", dl_src, dl_dst);
- col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "len=%u, %s", dl_len, func_code_str);
- /* create display subtree for the protocol */
- ti = proto_tree_add_item(tree, proto_dnp3, tvb, offset, -1, ENC_NA);
- dnp3_tree = proto_item_add_subtree(ti, ett_dnp3);
- /* Create Subtree for Data Link Layer */
- tdl = proto_tree_add_text(dnp3_tree, tvb, offset, DNP_HDR_LEN,
- "Data Link Layer, Len: %u, From: %u, To: %u, ", dl_len, dl_src, dl_dst);
- if (dl_prm) {
- if (dl_ctl & DNP3_CTL_DIR) proto_item_append_text(tdl, "DIR, ");
- if (dl_ctl & DNP3_CTL_PRM) proto_item_append_text(tdl, "PRM, ");
- if (dl_ctl & DNP3_CTL_FCB) proto_item_append_text(tdl, "FCB, ");
- if (dl_ctl & DNP3_CTL_FCV) proto_item_append_text(tdl, "FCV, ");
- }
- else {
- if (dl_ctl & DNP3_CTL_DIR) proto_item_append_text(tdl, "DIR, ");
- if (dl_ctl & DNP3_CTL_PRM) proto_item_append_text(tdl, "PRM, ");
- if (dl_ctl & DNP3_CTL_RES) proto_item_append_text(tdl, "RES, ");
- if (dl_ctl & DNP3_CTL_DFC) proto_item_append_text(tdl, "DFC, ");
- }
- proto_item_append_text(tdl, "%s", func_code_str);
- dl_tree = proto_item_add_subtree(tdl, ett_dnp3_dl);
- /* start bytes */
- proto_tree_add_item(dl_tree, hf_dnp3_start, tvb, offset, 2, ENC_BIG_ENDIAN);
- offset += 2;
- /* add length field */
- proto_tree_add_item(dl_tree, hf_dnp3_len, tvb, offset, 1, ENC_BIG_ENDIAN);
- offset += 1;
- /* Add Control Byte Subtree */
- tc = proto_tree_add_uint_format(dl_tree, hf_dnp3_ctl, tvb, offset, 1, dl_ctl,
- "Control: 0x%02x (", dl_ctl);
- /* Add Text to Control Byte Subtree Header */
- if (dl_prm) {
- if (dl_ctl & DNP3_CTL_DIR) proto_item_append_text(tc, "DIR, ");
- if (dl_ctl & DNP3_CTL_PRM) proto_item_append_text(tc, "PRM, ");
- if (dl_ctl & DNP3_CTL_FCB) proto_item_append_text(tc, "FCB, ");
- if (dl_ctl & DNP3_CTL_FCV) proto_item_append_text(tc, "FCV, ");
- }
- else {
- if (dl_ctl & DNP3_CTL_DIR) proto_item_append_text(tc, "DIR, ");
- if (dl_ctl & DNP3_CTL_PRM) proto_item_append_text(tc, "PRM, ");
- if (dl_ctl & DNP3_CTL_RES) proto_item_append_text(tc, "RES, ");
- if (dl_ctl & DNP3_CTL_DFC) proto_item_append_text(tc, "DFC, ");
- }
- proto_item_append_text(tc, "%s)", func_code_str );
- field_tree = proto_item_add_subtree(tc, ett_dnp3_dl_ctl);
- /* Add Control Byte Subtree Items */
- if (dl_prm) {
- proto_tree_add_item(field_tree, hf_dnp3_ctl_dir, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_prm, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_fcb, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_fcv, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_prifunc, tvb, offset, 1, ENC_BIG_ENDIAN);
- }
- else {
- proto_tree_add_item(field_tree, hf_dnp3_ctl_dir, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_prm, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_dfc, tvb, offset, 1, ENC_LITTLE_ENDIAN);
- proto_tree_add_item(field_tree, hf_dnp3_ctl_secfunc, tvb, offset, 1, ENC_BIG_ENDIAN);
- }
- offset += 1;
- /* add destination and source addresses */
- proto_tree_add_item(dl_tree, hf_dnp3_dst, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- offset += 2;
- proto_tree_add_item(dl_tree, hf_dnp3_src, tvb, offset, 2, ENC_LITTLE_ENDIAN);
- offset += 2;
- /* and header CRC */
- dl_crc = tvb_get_letohs(tvb, offset);
- calc_dl_crc = calculateCRC(tvb_get_ptr(tvb, 0, DNP_HDR_LEN - 2), DNP_HDR_LEN - 2);
- if (dl_crc == calc_dl_crc)
- proto_tree_add_uint_format(dl_tree, hf_dnp_hdr_CRC, tvb, offset, 2,
- dl_crc, "CRC: 0x%04x [correct]", dl_crc);
- else
- {
- proto_item *hidden_item;
- hidden_item = proto_tree_add_boolean(dl_tree, hf_dnp_hdr_CRC_bad, tvb,
- offset, 2, TRUE);
- PROTO_ITEM_SET_HIDDEN(hidden_item);
- proto_tree_add_uint_format(dl_tree, hf_dnp_hdr_CRC, tvb, offset, 2,
- dl_crc, "CRC: 0x%04x [incorrect, should be 0x%04x]",
- dl_crc, calc_dl_crc);
- }
- offset += 2;
- /* If the DataLink function is 'Request Link Status' or 'Status of Link',
- or 'Reset Link' we don't expect any Transport or Application Layer Data
- NOTE: This code should probably check what DOES have TR or AL data */
- if ((dl_func != DL_FUNC_LINK_STAT) && (dl_func != DL_FUNC_STAT_LINK) &&
- (dl_func != DL_FUNC_RESET_LINK) && (dl_func != DL_FUNC_ACK))
- {
- proto_tree *tr_tree, *al_tree;
- proto_item *al_chunks;
- guint8 tr_ctl, tr_seq;
- gboolean tr_fir, tr_fin;
- guint8 *tmp, *tmp_ptr;
- guint8 data_len;
- int data_offset;
- gboolean crc_OK = FALSE;
- tvbuff_t *next_tvb;
- guint i;
- /* get the transport layer byte */
- tr_ctl = tvb_get_guint8(tvb, offset);
- tr_seq = tr_ctl & DNP3_TR_SEQ;
- tr_fir = tr_ctl & DNP3_TR_FIR;
- tr_fin = tr_ctl & DNP3_TR_FIN;
- /* Add Transport Layer Tree */
- tc = proto_tree_add_uint_format(dnp3_tree, hf_dnp3_tr_ctl, tvb, offset, 1, tr_ctl,
- "Transport Layer: 0x%02x (", tr_ctl);
- if (tr_fir) proto_item_append_text(tc, "FIR, ");
- if (tr_fin) proto_item_append_text(tc, "FIN, ");
- proto_item_append_text(tc, "Sequence %u)", tr_seq);
- tr_tree = proto_item_add_subtree(tc, ett_dnp3_tr_ctl);
- proto_tree_add_boolean(tr_tree, hf_dnp3_tr_fin, tvb, offset, 1, tr_ctl);
- proto_tree_add_boolean(tr_tree, hf_dnp3_tr_fir, tvb, offset, 1, tr_ctl);
- proto_tree_add_item(tr_tree, hf_dnp3_tr_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
- /* Allocate AL chunk tree */
- al_chunks = proto_tree_add_text(tr_tree, tvb, offset + 1, -1, "Application data chunks");
- al_tree = proto_item_add_subtree(al_chunks, ett_dnp3_al_data);
- /* extract the application layer data, validating the CRCs */
- /* XXX - check for dl_len <= 5 */
- data_len = dl_len - 5;
- tmp = (guint8 *)wmem_alloc(pinfo->pool, data_len);
- tmp_ptr = tmp;
- i = 0;
- data_offset = 1; /* skip the transport layer byte when assembling chunks */
- while (data_len > 0)
- {
- guint8 chk_size;
- const guint8 *chk_ptr;
- guint16 calc_crc, act_crc;
- chk_size = MIN(data_len, AL_MAX_CHUNK_SIZE);
- chk_ptr = tvb_get_ptr(tvb, offset, chk_size);
- memcpy(tmp_ptr, chk_ptr + data_offset, chk_size - data_offset);
- calc_crc = calculateCRC(chk_ptr, chk_size);
- offset += chk_size;
- tmp_ptr += chk_size - data_offset;
- act_crc = tvb_get_letohs(tvb, offset);
- offset += 2;
- crc_OK = calc_crc == act_crc;
- if (crc_OK)
- {
- proto_tree_add_text(al_tree, tvb, offset - (chk_size + 2), chk_size + 2,
- "Application Chunk %u Len: %u CRC 0x%04x",
- i, chk_size, act_crc);
- data_len -= chk_size;
- }
- else
- {
- proto_tree_add_text(al_tree, tvb, offset - (chk_size + 2), chk_size + 2,
- "Application Chunk %u Len: %u Bad CRC got 0x%04x expected 0x%04x",
- i, chk_size, act_crc, calc_crc);
- break;
- }
- i++;
- data_offset = 0; /* copy all of the rest of the chunks */
- }
- /* if all crc OK, set up new tvb */
- if (crc_OK)
- {
- tvbuff_t *al_tvb;
- gboolean save_fragmented;
- al_tvb = tvb_new_child_real_data(tvb, tmp, (guint) (tmp_ptr-tmp), (gint) (tmp_ptr-tmp));
- /* Check for fragmented packet */
- save_fragmented = pinfo->fragmented;
- if (! (tr_fir && tr_fin))
- {
- guint conv_seq_number;
- fragment_head *frag_msg;
- conversation_t *conversation;
- dnp3_conv_t *conv_data_ptr;
- dl_conversation_key_t dl_conversation_key;
- /* A fragmented packet */
- pinfo->fragmented = TRUE;
- /* Look up the conversation to get the fragment reassembly id */
- conversation = find_or_create_conversation(pinfo);
- /*
- * The TCP/UDP conversation is not sufficient to identify a conversation
- * on a multi-drop DNP network. Lookup conversation data based on TCP/UDP
- * conversation and the DNP src and dst addresses
- */
- dl_conversation_key.conversation = conversation->index;
- dl_conversation_key.src = dl_src;
- dl_conversation_key.dst = dl_dst;
- conv_data_ptr = (dnp3_conv_t*)g_hash_table_lookup(dl_conversation_table, &dl_conversation_key);
- if (!pinfo->fd->flags.visited && conv_data_ptr == NULL)
- {
- dl_conversation_key_t* new_dl_conversation_key = NULL;
- new_dl_conversation_key = se_new(dl_conversation_key_t);
- *new_dl_conversation_key = dl_conversation_key;
- conv_data_ptr = se_new(dnp3_conv_t);
- /*** Increment static global fragment reassembly id ***/
- conv_data_ptr->conv_seq_number = seq_number++;
- g_hash_table_insert(dl_conversation_table, new_dl_conversation_key, conv_data_ptr);
- }
- conv_seq_number = conv_data_ptr->conv_seq_number;
- /*
- * Add the frame to
- * whatever reassembly is in progress, if any, and see
- * if it's done.
- */
- frag_msg = fragment_add_seq_next(&al_reassembly_table,
- al_tvb, 0, pinfo, conv_seq_number, NULL,
- tvb_reported_length(al_tvb), /* As this is a constructed tvb, all of it is ok */
- !tr_fin);
- next_tvb = process_reassembled_data(al_tvb, 0, pinfo,
- "Reassembled DNP 3.0 Application Layer message", frag_msg, &dnp3_frag_items,
- NULL, tr_tree);
- if (next_tvb) /* Reassembled */
- {
- /* We have the complete payload, zap the info column as the AL info takes precedence */
- col_clear(pinfo->cinfo, COL_INFO);
- }
- else
- {
- /* We don't have the complete reassembled payload. */
- col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "TL fragment %u ", tr_seq);
- }
- }
- else
- {
- /* No reassembly required */
- next_tvb = al_tvb;
- add_new_data_source(pinfo, next_tvb, "DNP 3.0 Application Layer message");
- col_clear(pinfo->cinfo, COL_INFO);
- }
- pinfo->fragmented = save_fragmented;
- }
- else
- {
- /* CRC error - throw away the data. */
- next_tvb = NULL;
- proto_tree_add_text(dnp3_tree, tvb, 11, -1, "CRC failed, %u chunks", i);
- }
- /* Dissect any completed AL message */
- if (next_tvb)
- {
- /* As a complete AL message will have cleared the info column,
- make sure source and dest are always in the info column */
- col_append_fstr(pinfo->cinfo, COL_INFO, "from %u to %u", dl_src, dl_dst);
- col_set_fence(pinfo->cinfo, COL_INFO);
- dissect_dnp3_al(next_tvb, pinfo, dnp3_tree);
- }
- else
- {
- /* Lock any column info set by the DL and TL */
- col_set_fence(pinfo->cinfo, COL_INFO);
- }
- }
- }
- static guint
- get_dnp3_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
- {
- guint16 message_len; /* need 16 bits as total can exceed 255 */
- guint16 data_crc; /* No. of user data CRC bytes */
- message_len = tvb_get_guint8(tvb, offset + 2);
- /* Add in 2 bytes for header start octets,
- 1 byte for len itself,
- 2 bytes for header CRC
- data CRC bytes (2 bytes per 16 bytes of data
- */
- data_crc = (guint16)(ceil((message_len - 5) / 16.0)) * 2;
- message_len += 2 + 1 + 2 + data_crc;
- return message_len;
- }
- static gboolean
- dissect_dnp3_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
- {
- gint length = tvb_length(tvb);
- /* Check for a dnp packet. It should begin with 0x0564 */
- if ((length < 2) || (tvb_get_ntohs(tvb, 0) != 0x0564)) {
- /* Not a DNP 3.0 packet, just happened to use the same port */
- return FALSE;
- }
- tcp_dissect_pdus(tvb, pinfo, tree, TRUE, DNP_HDR_LEN,
- get_dnp3_message_len, dissect_dnp3_message);
- return TRUE;
- }
- static gboolean
- dissect_dnp3_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
- {
- gint length = tvb_length(tvb);
- /* Check for a dnp packet. It should begin with 0x0564 */
- if ((length < 2) || (tvb_get_ntohs(tvb, 0) != 0x0564)) {
- /* Not a DNP 3.0 packet, just happened to use the same port */
- return FALSE;
- }
- dissect_dnp3_message(tvb, pinfo, tree);
- return TRUE;
- }
- static void
- dnp3_init(void)
- {
- if (dl_conversation_table)
- {
- g_hash_table_destroy(dl_conversation_table);
- }
- dl_conversation_table = g_hash_table_new(dl_conversation_hash, dl_conversation_equal);
- reassembly_table_init(&al_reassembly_table,
- &addresses_reassembly_table_functions);
- }
- /* Register the protocol with Wireshark */
- void
- proto_register_dnp3(void)
- {
- /* Setup list of header fields */
- static hf_register_info hf[] = {
- { &hf_dnp3_start,
- { "Start Bytes", "dnp3.start",
- FT_UINT16, BASE_HEX, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_len,
- { "Length", "dnp3.len",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Frame Data Length", HFILL }
- },
- { &hf_dnp3_ctl,
- { "Control", "dnp3.ctl",
- FT_UINT8, BASE_HEX, NULL, 0x0,
- "Frame Control Byte", HFILL }
- },
- { &hf_dnp3_ctl_prifunc,
- { "Control Function Code", "dnp3.ctl.prifunc",
- FT_UINT8, BASE_DEC, VALS(dnp3_ctl_func_pri_vals), DNP3_CTL_FUNC,
- "Frame Control Function Code", HFILL }
- },
- { &hf_dnp3_ctl_secfunc,
- { "Control Function Code", "dnp3.ctl.secfunc",
- FT_UINT8, BASE_DEC, VALS(dnp3_ctl_func_sec_vals), DNP3_CTL_FUNC,
- "Frame Control Function Code", HFILL }
- },
- { &hf_dnp3_ctlobj_code_c,
- { "Operation Type", "dnp3.ctl.op",
- FT_UINT8, BASE_DEC, VALS(dnp3_al_ctlc_code_vals), AL_OBJCTLC_CODE,
- "Control Code, Operation Type", HFILL }
- },
- { &hf_dnp3_ctlobj_code_m,
- { "Queue / Clear Field", "dnp3.ctl.clr",
- FT_UINT8, BASE_DEC, VALS(dnp3_al_ctlc_misc_vals), AL_OBJCTLC_MISC,
- "Control Code, Clear Field", HFILL }
- },
- { &hf_dnp3_ctlobj_code_tc,
- { "Trip Control Code", "dnp3.ctl.trip",
- FT_UINT8, BASE_DEC, VALS(dnp3_al_ctlc_tc_vals), AL_OBJCTLC_TC,
- "Control Code, Trip Close Control", HFILL }
- },
- { &hf_dnp3_ctl_dir,
- { "Direction", "dnp3.ctl.dir",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_CTL_DIR,
- NULL, HFILL }
- },
- { &hf_dnp3_ctl_prm,
- { "Primary", "dnp3.ctl.prm",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_CTL_PRM,
- NULL, HFILL }
- },
- { &hf_dnp3_ctl_fcb,
- { "Frame Count Bit", "dnp3.ctl.fcb",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_CTL_FCB,
- NULL, HFILL }
- },
- { &hf_dnp3_ctl_fcv,
- { "Frame Count Valid", "dnp3.ctl.fcv",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_CTL_FCV,
- NULL, HFILL }
- },
- { &hf_dnp3_ctl_dfc,
- { "Data Flow Control", "dnp3.ctl.dfc",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_CTL_DFC,
- NULL, HFILL }
- },
- { &hf_dnp3_dst,
- { "Destination", "dnp3.dst",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Destination Address", HFILL }
- },
- { &hf_dnp3_src,
- { "Source", "dnp3.src",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Source Address", HFILL }
- },
- { &hf_dnp_hdr_CRC,
- { "CRC", "dnp3.hdr.CRC",
- FT_UINT16, BASE_HEX, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp_hdr_CRC_bad,
- { "Bad CRC", "dnp3.hdr.CRC_bad",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_tr_ctl,
- { "Transport Control", "dnp3.tr.ctl",
- FT_UINT8, BASE_HEX, NULL, 0x0,
- "Transport Layer Control Byte", HFILL }
- },
- { &hf_dnp3_tr_fin,
- { "Final", "dnp3.tr.fin",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_TR_FIN,
- NULL, HFILL }
- },
- { &hf_dnp3_tr_fir,
- { "First", "dnp3.tr.fir",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_TR_FIR,
- NULL, HFILL }
- },
- { &hf_dnp3_tr_seq,
- { "Sequence", "dnp3.tr.seq",
- FT_UINT8, BASE_DEC, NULL, DNP3_TR_SEQ,
- "Frame Sequence Number", HFILL }
- },
- { &hf_dnp3_al_ctl,
- { "Application Control", "dnp3.al.ctl",
- FT_UINT8, BASE_HEX, NULL, 0x0,
- "Application Layer Control Byte", HFILL }
- },
- { &hf_dnp3_al_fir,
- { "First", "dnp3.al.fir",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_AL_FIR,
- NULL, HFILL }
- },
- { &hf_dnp3_al_fin,
- { "Final", "dnp3.al.fin",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_AL_FIN,
- NULL, HFILL }
- },
- { &hf_dnp3_al_con,
- { "Confirm", "dnp3.al.con",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_AL_CON,
- NULL, HFILL }
- },
- { &hf_dnp3_al_uns,
- { "Unsolicited", "dnp3.al.uns",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), DNP3_AL_UNS,
- NULL, HFILL }
- },
- { &hf_dnp3_al_seq,
- { "Sequence", "dnp3.al.seq",
- FT_UINT8, BASE_DEC, NULL, DNP3_AL_SEQ,
- "Frame Sequence Number", HFILL }
- },
- { &hf_dnp3_al_func,
- { "Application Layer Function Code", "dnp3.al.func",
- FT_UINT8, BASE_DEC|BASE_EXT_STRING, &dnp3_al_func_vals_ext, DNP3_AL_FUNC,
- "Application Function Code", HFILL }
- },
- { &hf_dnp3_al_iin,
- { "Application Layer IIN bits", "dnp3.al.iin",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Application Layer IIN", HFILL }
- },
- { &hf_dnp3_al_iin_bmsg,
- { "Broadcast Msg Rx", "dnp3.al.iin.bmsg",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_BMSG,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_cls1d,
- { "Class 1 Data Available", "dnp3.al.iin.cls1d",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_CLS1D,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_cls2d,
- { "Class 2 Data Available", "dnp3.al.iin.cls2d",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_CLS2D,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_cls3d,
- { "Class 3 Data Available", "dnp3.al.iin.cls3d",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_CLS3D,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_tsr,
- { "Time Sync Required", "dnp3.al.iin.tsr",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_TSR,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_dol,
- { "Digital Outputs in Local", "dnp3.al.iin.dol",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_DOL,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_dt,
- { "Device Trouble", "dnp3.al.iin.dt",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_DT,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_rst,
- { "Device Restart", "dnp3.al.iin.rst",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_RST,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_fcni,
- { "Function Code not implemented", "dnp3.al.iin.fcni",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_FCNI,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_obju,
- { "Requested Objects Unknown", "dnp3.al.iin.obju",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_OBJU,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_pioor,
- { "Parameters Invalid or Out of Range", "dnp3.al.iin.pioor",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_PIOOR,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_ebo,
- { "Event Buffer Overflow", "dnp3.al.iin.ebo",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_EBO,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_oae,
- { "Operation Already Executing", "dnp3.al.iin.oae",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_OAE,
- NULL, HFILL }
- },
- { &hf_dnp3_al_iin_cc,
- { "Configuration Corrupt", "dnp3.al.iin.cc",
- FT_BOOLEAN, 16, TFS(&tfs_set_notset), AL_IIN_CC,
- NULL, HFILL }
- },
- { &hf_dnp3_al_obj,
- { "Object", "dnp3.al.obj",
- FT_UINT16, BASE_HEX|BASE_EXT_STRING, &dnp3_al_obj_vals_ext, 0x0,
- "Application Layer Object", HFILL }
- },
- { &hf_dnp3_al_objq_index,
- { "Index Prefix", "dnp3.al.objq.index",
- FT_UINT8, BASE_DEC|BASE_EXT_STRING, &dnp3_al_objq_index_vals_ext, AL_OBJQ_INDEX,
- "Object Index Prefixing", HFILL }
- },
- { &hf_dnp3_al_objq_code,
- { "Qualifier Code", "dnp3.al.objq.code",
- FT_UINT8, BASE_DEC|BASE_EXT_STRING, &dnp3_al_objq_code_vals_ext, AL_OBJQ_CODE,
- "Object Qualifier Code", HFILL }
- },
- { &hf_dnp3_al_range_start8,
- { "Start (8 bit)", "dnp3.al.range.start",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Start Index", HFILL }
- },
- { &hf_dnp3_al_range_stop8,
- { "Stop (8 bit)", "dnp3.al.range.stop",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Stop Index", HFILL }
- },
- { &hf_dnp3_al_range_start16,
- { "Start (16 bit)", "dnp3.al.range.start",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Start Index", HFILL }
- },
- { &hf_dnp3_al_range_stop16,
- { "Stop (16 bit)", "dnp3.al.range.stop",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Stop Index", HFILL }
- },
- { &hf_dnp3_al_range_start32,
- { "Start (32 bit)", "dnp3.al.range.start",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Start Index", HFILL }
- },
- { &hf_dnp3_al_range_stop32,
- { "Stop (32 bit)", "dnp3.al.range.stop",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Stop Index", HFILL }
- },
- { &hf_dnp3_al_range_abs8,
- { "Address (8 bit)", "dnp3.al.range.abs",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Absolute Address", HFILL }
- },
- { &hf_dnp3_al_range_abs16,
- { "Address (16 bit)", "dnp3.al.range.abs",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Absolute Address", HFILL }
- },
- { &hf_dnp3_al_range_abs32,
- { "Address (32 bit)", "dnp3.al.range.abs",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Absolute Address", HFILL }
- },
- { &hf_dnp3_al_range_quant8,
- { "Quantity (8 bit)", "dnp3.al.range.quantity",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Quantity", HFILL }
- },
- { &hf_dnp3_al_range_quant16,
- { "Quantity (16 bit)", "dnp3.al.range.quantity",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Quantity", HFILL }
- },
- { &hf_dnp3_al_range_quant32,
- { "Quantity (32 bit)", "dnp3.al.range.quantity",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Quantity", HFILL }
- },
- { &hf_dnp3_al_index8,
- { "Index (8 bit)", "dnp3.al.index",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Index", HFILL }
- },
- { &hf_dnp3_al_index16,
- { "Index (16 bit)", "dnp3.al.index",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Index", HFILL }
- },
- { &hf_dnp3_al_index32,
- { "Index (32 bit)", "dnp3.al.index",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Index", HFILL }
- },
- #if 0
- { &hf_dnp3_al_ptnum,
- { "Object Point Number", "dnp3.al.ptnum",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- #endif
- { &hf_dnp3_al_size8,
- { "Size (8 bit)", "dnp3.al.size",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Object Size", HFILL }
- },
- { &hf_dnp3_al_size16,
- { "Size (16 bit)", "dnp3.al.size",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Object Size", HFILL }
- },
- { &hf_dnp3_al_size32,
- { "Size (32 bit)", "dnp3.al.size",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Object Size", HFILL }
- },
- { &hf_dnp3_al_bit,
- { "Value (bit)", "dnp3.al.bit",
- FT_BOOLEAN, 8, TFS(&tfs_on_off), 0x1,
- "Digital Value (1 bit)", HFILL }
- },
- { &hf_dnp3_al_2bit,
- { "Value (two bit)", "dnp3.al.2bit",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Digital Value (2 bit)", HFILL }
- },
- { &hf_dnp3_al_ana16,
- { "Value (16 bit)", "dnp3.al.ana",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Analog Value (16 bit)", HFILL }
- },
- { &hf_dnp3_al_ana32,
- { "Value (32 bit)", "dnp3.al.ana",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Analog Value (32 bit)", HFILL }
- },
- { &hf_dnp3_al_anaflt,
- { "Value (float)", "dnp3.al.ana",
- FT_FLOAT, BASE_NONE, NULL, 0x0,
- "Analog Value (float)", HFILL }
- },
- { &hf_dnp3_al_anadbl,
- { "Value (double)", "dnp3.al.ana",
- FT_DOUBLE, BASE_NONE, NULL, 0x0,
- "Analog Value (double)", HFILL }
- },
- { &hf_dnp3_al_anaout16,
- { "Output Value (16 bit)", "dnp3.al.anaout",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_anaout32,
- { "Output Value (32 bit)", "dnp3.al.anaout",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_anaoutflt,
- { "Output Value (float)", "dnp3.al.anaout",
- FT_FLOAT, BASE_NONE, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_anaoutdbl,
- { "Output (double)", "dnp3.al.anaout",
- FT_DOUBLE, BASE_NONE, NULL, 0x0,
- "Output Value (double)", HFILL }
- },
- { &hf_dnp3_al_cnt16,
- { "Counter (16 bit)", "dnp3.al.cnt",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Counter Value (16 bit)", HFILL }
- },
- { &hf_dnp3_al_cnt32,
- { "Counter (32 bit)", "dnp3.al.cnt",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "Counter Value (32 bit)", HFILL }
- },
- { &hf_dnp3_al_ctrlstatus,
- { "Control Status", "dnp3.al.ctrlstatus",
- FT_UINT8, BASE_DEC|BASE_EXT_STRING, &dnp3_al_ctl_status_vals_ext, 0xff,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_mode,
- { "File Control Mode", "dnp3.al.file.mode",
- FT_UINT16, BASE_DEC, VALS(dnp3_al_file_mode_vals), 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_auth,
- { "File Authentication Key", "dnp3.al.file.auth",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_size,
- { "File Size", "dnp3.al.file.size",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_maxblk,
- { "File Max Block Size", "dnp3.al.file.maxblock",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_reqID,
- { "File Request Identifier", "dnp3.al.file.reqID",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_status,
- { "File Control Status", "dnp3.al.file.status",
- FT_UINT8, BASE_DEC|BASE_EXT_STRING, &dnp3_al_file_status_vals_ext, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_handle,
- { "File Handle", "dnp3.al.file.handle",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_blocknum,
- { "File Block Number", "dnp3.al.file.blocknum",
- FT_UINT32, BASE_HEX, NULL, 0x7fffffff,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_lastblock,
- { "File Last Block", "dnp3.al.file.lastblock",
- FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x80000000,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_data,
- { "File Data", "dnp3.al.file.data",
- FT_BYTES, BASE_NONE, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b0,
- { "Online", "dnp3.al.biq.b0",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b1,
- { "Restart", "dnp3.al.biq.b1",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG1,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b2,
- { "Comm Fail", "dnp3.al.biq.b2",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG2,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b3,
- { "Remote Force", "dnp3.al.biq.b3",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG3,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b4,
- { "Local Force", "dnp3.al.biq.b4",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG4,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b5,
- { "Chatter Filter", "dnp3.al.biq.b5",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG5,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b6,
- { "Reserved", "dnp3.al.biq.b6",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG6,
- NULL, HFILL }
- },
- { &hf_dnp3_al_biq_b7,
- { "Point Value", "dnp3.al.biq.b7",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BI_FLAG7,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b0,
- { "Online", "dnp3.al.boq.b0",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b1,
- { "Restart", "dnp3.al.boq.b1",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG1,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b2,
- { "Comm Fail", "dnp3.al.boq.b2",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG2,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b3,
- { "Remote Force", "dnp3.al.boq.b3",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG3,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b4,
- { "Local Force", "dnp3.al.boq.b4",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG4,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b5,
- { "Reserved", "dnp3.al.boq.b5",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG5,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b6,
- { "Reserved", "dnp3.al.boq.b6",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG6,
- NULL, HFILL }
- },
- { &hf_dnp3_al_boq_b7,
- { "Point Value", "dnp3.al.boq.b7",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_BO_FLAG7,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b0,
- { "Online", "dnp3.al.ctrq.b0",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b1,
- { "Restart", "dnp3.al.ctrq.b1",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG1,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b2,
- { "Comm Fail", "dnp3.al.ctrq.b2",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG2,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b3,
- { "Remote Force", "dnp3.al.ctrq.b3",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG3,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b4,
- { "Local Force", "dnp3.al.ctrq.b4",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG4,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b5,
- { "Roll-Over", "dnp3.al.ctrq.b5",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG5,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b6,
- { "Discontinuity", "dnp3.al.ctrq.b6",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG6,
- NULL, HFILL }
- },
- { &hf_dnp3_al_ctrq_b7,
- { "Reserved", "dnp3.al.ctrq.b7",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_CTR_FLAG7,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b0,
- { "Online", "dnp3.al.aiq.b0",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b1,
- { "Restart", "dnp3.al.aiq.b1",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG1,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b2,
- { "Comm Fail", "dnp3.al.aiq.b2",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG2,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b3,
- { "Remote Force", "dnp3.al.aiq.b3",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG3,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b4,
- { "Local Force", "dnp3.al.aiq.b4",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG4,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b5,
- { "Over-Range", "dnp3.al.aiq.b5",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG5,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b6,
- { "Reference Check", "dnp3.al.aiq.b6",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG6,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aiq_b7,
- { "Reserved", "dnp3.al.aiq.b7",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AI_FLAG7,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b0,
- { "Online", "dnp3.al.aoq.b0",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b1,
- { "Restart", "dnp3.al.aoq.b1",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG1,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b2,
- { "Comm Fail", "dnp3.al.aoq.b2",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG2,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b3,
- { "Remote Force", "dnp3.al.aoq.b3",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG3,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b4,
- { "Local Force", "dnp3.al.aoq.b4",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG4,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b5,
- { "Reserved", "dnp3.al.aoq.b5",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG5,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b6,
- { "Reserved", "dnp3.al.aoq.b6",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG6,
- NULL, HFILL }
- },
- { &hf_dnp3_al_aoq_b7,
- { "Reserved", "dnp3.al.aoq.b7",
- FT_BOOLEAN, 8, TFS(&tfs_set_notset), AL_OBJ_AO_FLAG7,
- NULL, HFILL }
- },
- { &hf_dnp3_al_timestamp,
- { "Timestamp", "dnp3.al.timestamp",
- FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC, NULL, 0,
- "Object Timestamp", HFILL }
- },
- { &hf_dnp3_al_file_perms,
- { "Permissions", "dnp3.al.file.perms",
- FT_UINT16, BASE_OCT, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_read_owner,
- { "Read permission for owner", "dnp3.al.file.perms.read_owner",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0400,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_write_owner,
- { "Write permission for owner", "dnp3.al.file.perms.write_owner",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0200,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_exec_owner,
- { "Execute permission for owner", "dnp3.al.file.perms.exec_owner",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0100,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_read_group,
- { "Read permission for group", "dnp3.al.file.perms.read_group",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 040,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_write_group,
- { "Write permission for group", "dnp3.al.file.perms.write_group",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 020,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_exec_group,
- { "Execute permission for group", "dnp3.al.file.perms.exec_group",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 010,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_read_world,
- { "Read permission for world", "dnp3.al.file.perms.read_world",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 04,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_write_world,
- { "Write permission for world", "dnp3.al.file.perms.write_world",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 02,
- NULL, HFILL }
- },
- { &hf_dnp3_al_file_perms_exec_world,
- { "Execute permission for world", "dnp3.al.file.perms.exec_world",
- FT_BOOLEAN, 16, TFS(&tfs_yes_no), 01,
- NULL, HFILL }
- },
- { &hf_dnp3_al_rel_timestamp,
- { "Relative Timestamp", "dnp3.al.reltimestamp",
- FT_RELATIVE_TIME, BASE_NONE, NULL, 0,
- "Object Relative Timestamp", HFILL }
- },
- { &hf_dnp3_fragment,
- { "DNP 3.0 AL Fragment", "dnp3.al.fragment",
- FT_FRAMENUM, BASE_NONE, NULL, 0x0,
- "DNP 3.0 Application Layer Fragment", HFILL }
- },
- { &hf_dnp3_fragments,
- { "DNP 3.0 AL Fragments", "dnp3.al.fragments",
- FT_NONE, BASE_NONE, NULL, 0x0,
- "DNP 3.0 Application Layer Fragments", HFILL }
- },
- { &hf_dnp3_fragment_overlap,
- { "Fragment overlap", "dnp3.al.fragment.overlap",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "Fragment overlaps with other fragments", HFILL }
- },
- { &hf_dnp3_fragment_overlap_conflict,
- { "Conflicting data in fragment overlap", "dnp3.al.fragment.overlap.conflict",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "Overlapping fragments contained conflicting data", HFILL }
- },
- { &hf_dnp3_fragment_multiple_tails,
- { "Multiple tail fragments found", "dnp3.al.fragment.multipletails",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "Several tails were found when defragmenting the packet", HFILL }
- },
- { &hf_dnp3_fragment_too_long_fragment,
- { "Fragment too long", "dnp3.al.fragment.toolongfragment",
- FT_BOOLEAN, BASE_NONE, NULL, 0x0,
- "Fragment contained data past end of packet", HFILL }
- },
- { &hf_dnp3_fragment_error,
- { "Defragmentation error", "dnp3.al.fragment.error",
- FT_FRAMENUM, BASE_NONE, NULL, 0x0,
- "Defragmentation error due to illegal fragments", HFILL }
- },
- { &hf_dnp3_fragment_count,
- { "Fragment count", "dnp3.al.fragment.count",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- NULL, HFILL }
- },
- { &hf_dnp3_fragment_reassembled_in,
- { "Reassembled PDU In Frame", "dnp3.al.fragment.reassembled_in",
- FT_FRAMENUM, BASE_NONE, NULL, 0x0,
- "This PDU is reassembled in this frame", HFILL }
- },
- { &hf_dnp3_fragment_reassembled_length,
- { "Reassembled DNP length", "dnp3.al.fragment.reassembled.length",
- FT_UINT32, BASE_DEC, NULL, 0x0,
- "The total length of the reassembled payload", HFILL }
- }
- };
- /* Setup protocol subtree array */
- static gint *ett[] = {
- &ett_dnp3,
- &ett_dnp3_dl,
- &ett_dnp3_dl_ctl,
- &ett_dnp3_tr_ctl,
- &ett_dnp3_al_data,
- &ett_dnp3_al,
- &ett_dnp3_al_ctl,
- &ett_dnp3_al_obj_point_tcc,
- &ett_dnp3_al_iin,
- &ett_dnp3_al_obj,
- &ett_dnp3_al_obj_qualifier,
- &ett_dnp3_al_obj_range,
- &ett_dnp3_al_objdet,
- &ett_dnp3_al_obj_quality,
- &ett_dnp3_al_obj_point,
- &ett_dnp3_al_obj_point_perms,
- &ett_dnp3_fragment,
- &ett_dnp3_fragments
- };
- static ei_register_info ei[] = {
- { &ei_dnp_num_items_neg, { "dnp3.num_items_neg", PI_MALFORMED, PI_ERROR, "Negative number of items", EXPFILL }},
- { &ei_dnp_invalid_length, { "dnp3.invalid_length", PI_MALFORMED, PI_ERROR, "Invalid length", EXPFILL }},
- };
- module_t *dnp3_module;
- expert_module_t* expert_dnp3;
- /* Register protocol init routine */
- register_init_routine(&dnp3_init);
- /* Register the protocol name and description */
- proto_dnp3 = proto_register_protocol("Distributed Network Protocol 3.0",
- "DNP 3.0", "dnp3");
- /* Register the dissector so it may be used as a User DLT payload protocol */
- new_register_dissector("dnp3.udp", dissect_dnp3_udp, proto_dnp3);
- /* Required function calls to register the header fields and subtrees used */
- proto_register_field_array(proto_dnp3, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
- expert_dnp3 = expert_register_protocol(proto_dnp3);
- expert_register_field_array(expert_dnp3, ei, array_length(ei));
- dnp3_module = prefs_register_protocol(proto_dnp3, NULL);
- prefs_register_bool_preference(dnp3_module, "heuristics",
- "Try to detect DNP 3 heuristically",
- "Whether the DNP3 dissector should try to find DNP 3 packets heuristically.",
- &dnp3_heuristics);
- prefs_register_bool_preference(dnp3_module, "desegment",
- "Reassemble DNP3 messages spanning multiple TCP segments",
- "Whether the DNP3 dissector should reassemble messages spanning multiple TCP segments."
- " To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
- &dnp3_desegment);
- }
- void
- proto_reg_handoff_dnp3(void)
- {
- dissector_handle_t dnp3_tcp_handle;
- dissector_handle_t dnp3_udp_handle;
- /* register as heuristic dissector for both TCP and UDP */
- if (dnp3_heuristics) {
- heur_dissector_add("tcp", dissect_dnp3_tcp, proto_dnp3);
- heur_dissector_add("udp", dissect_dnp3_udp, proto_dnp3);
- } else {
- heur_dissector_delete("tcp", dissect_dnp3_tcp, proto_dnp3);
- heur_dissector_delete("udp", dissect_dnp3_udp, proto_dnp3);
- }
- dnp3_tcp_handle = new_create_dissector_handle(dissect_dnp3_tcp, proto_dnp3);
- dnp3_udp_handle = new_create_dissector_handle(dissect_dnp3_udp, proto_dnp3);
- dissector_add_uint("tcp.port", TCP_PORT_DNP, dnp3_tcp_handle);
- dissector_add_uint("udp.port", UDP_PORT_DNP, dnp3_udp_handle);
- }
- /*
- * Editor modelines
- *
- * Local Variables:
- * c-basic-offset: 2
- * tab-width: 8
- * indent-tabs-mode: nil
- * End:
- *
- * ex: set shiftwidth=2 tabstop=8 expandtab:
- * :indentSize=2:tabSize=8:noTabs=true:
- */