2001-05-30 18:52:38 +00:00
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/* packet-iscsi.c
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* Routines for iSCSI dissection
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* Copyright 2001, Eurologic and Mark Burton <markb@ordern.com>
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*
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2001-10-19 20:53:14 +00:00
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* Conforms to the protocol described in: draft-ietf-ips-iscsi-08.txt
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2001-07-22 20:02:23 +00:00
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*
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2001-10-23 05:40:36 +00:00
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* $Id: packet-iscsi.c,v 1.15 2001/10/23 05:40:35 guy Exp $
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2001-05-30 18:52:38 +00:00
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <glib.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#include "packet.h"
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#include "prefs.h"
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2001-10-21 19:04:20 +00:00
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static gboolean iscsi_desegment = TRUE;
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2001-10-21 17:20:10 +00:00
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2001-05-30 18:52:38 +00:00
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static int enable_bogosity_filter = TRUE;
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2001-10-21 17:20:10 +00:00
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static guint32 bogus_pdu_data_length_threshold = 256 * 1024;
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static int enableDataDigests = FALSE;
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static int enableHeaderDigests = FALSE;
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static int dataDigestIsCRC32 = TRUE;
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static int headerDigestIsCRC32 = TRUE;
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static int dataDigestSize = 4;
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static int headerDigestSize = 4;
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2001-05-30 18:52:38 +00:00
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2001-10-21 19:04:20 +00:00
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static guint iscsi_port = 5003;
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2001-06-28 08:05:26 +00:00
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2001-05-30 18:52:38 +00:00
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/* Initialize the protocol and registered fields */
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static int proto_iscsi = -1;
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2001-10-21 17:20:10 +00:00
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static int hf_iscsi_AHS = -1;
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2001-06-28 08:05:26 +00:00
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static int hf_iscsi_Padding = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_ping_data = -1;
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static int hf_iscsi_immediate_data = -1;
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static int hf_iscsi_sense_data = -1;
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static int hf_iscsi_write_data = -1;
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static int hf_iscsi_read_data = -1;
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static int hf_iscsi_error_pdu_data = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_Opcode = -1;
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2001-05-31 19:20:41 +00:00
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static int hf_iscsi_Flags = -1;
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2001-10-21 17:20:10 +00:00
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static int hf_iscsi_HeaderDigest = -1;
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2001-06-28 08:05:26 +00:00
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static int hf_iscsi_HeaderDigest32 = -1;
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2001-10-21 17:20:10 +00:00
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static int hf_iscsi_DataDigest = -1;
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static int hf_iscsi_DataDigest32 = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_X = -1;
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static int hf_iscsi_I = -1;
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static int hf_iscsi_SCSICommand_F = -1;
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static int hf_iscsi_SCSICommand_R = -1;
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static int hf_iscsi_SCSICommand_W = -1;
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static int hf_iscsi_SCSICommand_Attr = -1;
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static int hf_iscsi_SCSICommand_CRN = -1;
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static int hf_iscsi_SCSICommand_AddCDB = -1;
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static int hf_iscsi_DataSegmentLength = -1;
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static int hf_iscsi_TotalAHSLength = -1;
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static int hf_iscsi_LUN = -1;
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static int hf_iscsi_InitiatorTaskTag = -1;
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static int hf_iscsi_ExpectedDataTransferLength = -1;
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static int hf_iscsi_CmdSN = -1;
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static int hf_iscsi_ExpStatSN = -1;
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static int hf_iscsi_SCSICommand_CDB = -1;
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static int hf_iscsi_SCSICommand_CDB0 = -1;
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static int hf_iscsi_StatSN = -1;
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static int hf_iscsi_ExpCmdSN = -1;
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static int hf_iscsi_MaxCmdSN = -1;
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static int hf_iscsi_SCSIResponse_o = -1;
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static int hf_iscsi_SCSIResponse_u = -1;
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static int hf_iscsi_SCSIResponse_O = -1;
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static int hf_iscsi_SCSIResponse_U = -1;
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static int hf_iscsi_SCSIResponse_BidiReadResidualCount = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_SCSIResponse_ResidualCount = -1;
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static int hf_iscsi_SCSIResponse_Response = -1;
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static int hf_iscsi_SCSIResponse_Status = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_SCSIData_F = -1;
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static int hf_iscsi_SCSIData_S = -1;
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static int hf_iscsi_SCSIData_O = -1;
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static int hf_iscsi_SCSIData_U = -1;
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static int hf_iscsi_TargetTransferTag = -1;
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static int hf_iscsi_DataSN = -1;
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static int hf_iscsi_BufferOffset = -1;
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static int hf_iscsi_SCSIData_ResidualCount = -1;
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static int hf_iscsi_VersionMin = -1;
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static int hf_iscsi_VersionMax = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_VersionActive = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_CID = -1;
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static int hf_iscsi_ISID = -1;
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static int hf_iscsi_TSID = -1;
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static int hf_iscsi_InitStatSN = -1;
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static int hf_iscsi_InitCmdSN = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_Login_T = -1;
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static int hf_iscsi_Login_CSG = -1;
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static int hf_iscsi_Login_NSG = -1;
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static int hf_iscsi_Login_Stage = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_Login_Status = -1;
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static int hf_iscsi_KeyValue = -1;
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static int hf_iscsi_Text_F = -1;
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static int hf_iscsi_ExpDataSN = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_R2TSN = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_SCSITask_ReferencedTaskTag = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_RefCmdSN = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_SCSITask_Function = -1;
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static int hf_iscsi_SCSITask_Response = -1;
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static int hf_iscsi_Logout_Reason = -1;
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static int hf_iscsi_Logout_Response = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_Time2Wait = -1;
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static int hf_iscsi_Time2Retain = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_DesiredDataLength = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_AsyncEvent = -1;
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static int hf_iscsi_EventVendorCode = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_Parameter1 = -1;
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static int hf_iscsi_Parameter2 = -1;
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2001-06-28 08:05:26 +00:00
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static int hf_iscsi_Parameter3 = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_Reject_Reason = -1;
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2001-10-19 20:53:14 +00:00
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static int hf_iscsi_snack_type = -1;
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2001-05-30 18:52:38 +00:00
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static int hf_iscsi_BegRun = -1;
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static int hf_iscsi_RunLength = -1;
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/* Initialize the subtree pointers */
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static gint ett_iscsi_KeyValues = -1;
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static gint ett_iscsi_CDB = -1;
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2001-05-31 19:20:41 +00:00
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static gint ett_iscsi_Flags = -1;
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2001-05-30 18:52:38 +00:00
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2001-10-19 20:53:14 +00:00
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#define X_BIT 0x80
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#define I_BIT 0x40
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#define TARGET_OPCODE_BIT 0x20
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#define ISCSI_OPCODE_NOP_OUT 0x00
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#define ISCSI_OPCODE_SCSI_COMMAND 0x01
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#define ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_COMMAND 0x02
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#define ISCSI_OPCODE_LOGIN_COMMAND 0x03
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#define ISCSI_OPCODE_TEXT_COMMAND 0x04
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#define ISCSI_OPCODE_SCSI_DATA_OUT 0x05
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#define ISCSI_OPCODE_LOGOUT_COMMAND 0x06
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#define ISCSI_OPCODE_SNACK_REQUEST 0x10
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#define ISCSI_OPCODE_NOP_IN (0x20 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_SCSI_RESPONSE (0x21 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_RESPONSE (0x22 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_LOGIN_RESPONSE (0x23 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_TEXT_RESPONSE (0x24 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_SCSI_DATA_IN (0x25 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_LOGOUT_RESPONSE (0x26 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_R2T (0x31 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_ASYNC_MESSAGE (0x32 | X_BIT | I_BIT)
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#define ISCSI_OPCODE_REJECT (0x3f | X_BIT | I_BIT)
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2001-05-30 18:52:38 +00:00
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2001-10-21 17:20:10 +00:00
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#define CSG_MASK 0x0c
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2001-10-19 20:53:14 +00:00
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static const value_string iscsi_opcodes[] = {
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{ ISCSI_OPCODE_NOP_OUT, "NOP Out" },
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{ ISCSI_OPCODE_SCSI_COMMAND, "SCSI Command" },
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{ ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_COMMAND, "SCSI Task Management Command" },
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{ ISCSI_OPCODE_LOGIN_COMMAND, "Login Command" },
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{ ISCSI_OPCODE_TEXT_COMMAND, "Text Command" },
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{ ISCSI_OPCODE_SCSI_DATA_OUT, "SCSI Write Data" },
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{ ISCSI_OPCODE_LOGOUT_COMMAND, "Logout Command" },
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{ ISCSI_OPCODE_SNACK_REQUEST, "SNACK Request" },
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{ ISCSI_OPCODE_NOP_IN, "NOP In" },
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{ ISCSI_OPCODE_SCSI_RESPONSE, "SCSI Command Response" },
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{ ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_RESPONSE, "SCSI Task Management Response" },
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{ ISCSI_OPCODE_LOGIN_RESPONSE, "Login Response" },
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{ ISCSI_OPCODE_TEXT_RESPONSE, "Text Response" },
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{ ISCSI_OPCODE_SCSI_DATA_IN, "SCSI Read Data" },
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{ ISCSI_OPCODE_LOGOUT_RESPONSE, "Logout Response" },
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{ ISCSI_OPCODE_R2T, "Ready To Transfer" },
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{ ISCSI_OPCODE_ASYNC_MESSAGE, "Asynchronous Message" },
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{ ISCSI_OPCODE_REJECT, "Reject"},
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2001-05-30 18:52:38 +00:00
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{0, NULL},
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};
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static const true_false_string iscsi_meaning_X = {
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"Retry",
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"Not retry"
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};
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static const true_false_string iscsi_meaning_I = {
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"Immediate delivery",
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"Queued delivery"
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};
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static const true_false_string iscsi_meaning_F = {
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"Final PDU in sequence",
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"Not final PDU in sequence"
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};
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2001-10-19 20:53:14 +00:00
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static const true_false_string iscsi_meaning_T = {
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"Transit to next login stage",
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"Stay in current login stage"
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2001-05-30 18:52:38 +00:00
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};
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static const true_false_string iscsi_meaning_S = {
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"Response contains SCSI status",
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"Response does not contain SCSI status"
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};
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static const true_false_string iscsi_meaning_R = {
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"Data will be read from target",
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"No data will be read from target"
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};
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static const true_false_string iscsi_meaning_W = {
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"Data will be written to target",
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"No data will be written to target"
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};
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static const true_false_string iscsi_meaning_o = {
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"Read part of bi-directional command overflowed",
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"No overflow of read part of bi-directional command",
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};
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static const true_false_string iscsi_meaning_u = {
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"Read part of bi-directional command underflowed",
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"No underflow of read part of bi-directional command",
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};
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static const true_false_string iscsi_meaning_O = {
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"Residual overflow occurred",
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"No residual overflow occurred",
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};
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static const true_false_string iscsi_meaning_U = {
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"Residual underflow occurred",
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"No residual underflow occurred",
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};
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2001-10-19 20:53:14 +00:00
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static const value_string iscsi_scsi_responses[] = {
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{ 0, "Command completed at target" },
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{ 1, "Response does not contain SCSI status"},
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{ 0, NULL }
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2001-05-30 18:52:38 +00:00
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};
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static const value_string iscsi_scsicommand_taskattrs[] = {
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{0, "Untagged"},
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{1, "Simple"},
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{2, "Ordered"},
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{3, "Head of Queue"},
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{4, "ACA"},
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{0, NULL},
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};
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static const value_string iscsi_scsi_cdb0[] = {
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{0x00, "TEST_UNIT_READY"},
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{0x01, "REZERO_UNIT"},
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{0x03, "REQUEST_SENSE"},
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{0x04, "FORMAT_UNIT"},
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{0x05, "READ_BLOCK_LIMITS"},
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{0x07, "REASSIGN_BLOCKS"},
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{0x08, "READ_6"},
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{0x0a, "WRITE_6"},
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|
{0x0b, "SEEK_6"},
|
|
|
|
{0x0f, "READ_REVERSE"},
|
|
|
|
{0x10, "WRITE_FILEMARKS"},
|
|
|
|
{0x11, "SPACE"},
|
|
|
|
{0x12, "INQUIRY"},
|
|
|
|
{0x14, "RECOVER_BUFFERED_DATA"},
|
|
|
|
{0x15, "MODE_SELECT"},
|
|
|
|
{0x16, "RESERVE"},
|
|
|
|
{0x17, "RELEASE"},
|
|
|
|
{0x18, "COPY"},
|
|
|
|
{0x19, "ERASE"},
|
|
|
|
{0x1a, "MODE_SENSE"},
|
|
|
|
{0x1b, "START_STOP"},
|
|
|
|
{0x1c, "RECEIVE_DIAGNOSTIC"},
|
|
|
|
{0x1d, "SEND_DIAGNOSTIC"},
|
|
|
|
{0x1e, "ALLOW_MEDIUM_REMOVAL"},
|
|
|
|
{0x24, "SET_WINDOW"},
|
|
|
|
{0x25, "READ_CAPACITY"},
|
|
|
|
{0x28, "READ_10"},
|
|
|
|
{0x2a, "WRITE_10"},
|
|
|
|
{0x2b, "SEEK_10"},
|
|
|
|
{0x2e, "WRITE_VERIFY"},
|
|
|
|
{0x2f, "VERIFY"},
|
|
|
|
{0x30, "SEARCH_HIGH"},
|
|
|
|
{0x31, "SEARCH_EQUAL"},
|
|
|
|
{0x32, "SEARCH_LOW"},
|
|
|
|
{0x33, "SET_LIMITS"},
|
|
|
|
{0x34, "PRE_FETCH"},
|
|
|
|
{0x34, "READ_POSITION"},
|
|
|
|
{0x35, "SYNCHRONIZE_CACHE"},
|
|
|
|
{0x36, "LOCK_UNLOCK_CACHE"},
|
|
|
|
{0x37, "READ_DEFECT_DATA"},
|
|
|
|
{0x38, "MEDIUM_SCAN"},
|
|
|
|
{0x39, "COMPARE"},
|
|
|
|
{0x3a, "COPY_VERIFY"},
|
|
|
|
{0x3b, "WRITE_BUFFER"},
|
|
|
|
{0x3c, "READ_BUFFER"},
|
|
|
|
{0x3d, "UPDATE_BLOCK"},
|
|
|
|
{0x3e, "READ_LONG"},
|
|
|
|
{0x3f, "WRITE_LONG"},
|
|
|
|
{0x40, "CHANGE_DEFINITION"},
|
|
|
|
{0x41, "WRITE_SAME"},
|
|
|
|
{0x43, "READ_TOC"},
|
|
|
|
{0x4c, "LOG_SELECT"},
|
|
|
|
{0x4d, "LOG_SENSE"},
|
|
|
|
{0x55, "MODE_SELECT_10"},
|
|
|
|
{0x5a, "MODE_SENSE_10"},
|
|
|
|
{0xa5, "MOVE_MEDIUM"},
|
|
|
|
{0xa8, "READ_12"},
|
|
|
|
{0xaa, "WRITE_12"},
|
|
|
|
{0xae, "WRITE_VERIFY_12"},
|
|
|
|
{0xb0, "SEARCH_HIGH_12"},
|
|
|
|
{0xb1, "SEARCH_EQUAL_12"},
|
|
|
|
{0xb2, "SEARCH_LOW_12"},
|
|
|
|
{0xb8, "READ_ELEMENT_STATUS"},
|
|
|
|
{0xb6, "SEND_VOLUME_TAG"},
|
|
|
|
{0xea, "WRITE_LONG_2"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_scsi_statuses[] = {
|
|
|
|
{0x00, "Good"},
|
|
|
|
{0x01, "Check condition"},
|
|
|
|
{0x02, "Condition good"},
|
|
|
|
{0x04, "Busy"},
|
|
|
|
{0x08, "Intermediate good"},
|
|
|
|
{0x0a, "Intermediate c good"},
|
|
|
|
{0x0c, "Reservation conflict"},
|
|
|
|
{0x11, "Command terminated"},
|
|
|
|
{0x14, "Queue full"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_task_responses[] = {
|
|
|
|
{0, "Function complete"},
|
|
|
|
{1, "Task not in task set"},
|
|
|
|
{2, "LUN does not exist"},
|
|
|
|
{255, "Function rejected"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_task_functions[] = {
|
|
|
|
{1, "Abort Task"},
|
|
|
|
{2, "Abort Task Set"},
|
|
|
|
{3, "Clear ACA"},
|
|
|
|
{4, "Clear Task Set"},
|
|
|
|
{5, "Logical Unit Reset"},
|
|
|
|
{6, "Target Warm Reset"},
|
|
|
|
{7, "Target Cold Reset"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_login_status[] = {
|
2001-10-19 20:53:14 +00:00
|
|
|
{0x0000, "Success"},
|
|
|
|
{0x0101, "Target moved temporarily"},
|
|
|
|
{0x0102, "Target moved permanently"},
|
|
|
|
{0x0200, "Initiator error (miscellaneous error)"},
|
|
|
|
{0x0201, "Athentication failed"},
|
|
|
|
{0x0202, "Authorisation failure"},
|
|
|
|
{0x0203, "Target not found"},
|
|
|
|
{0x0204, "Target removed"},
|
|
|
|
{0x0205, "Unsupported version"},
|
|
|
|
{0x0206, "Too many connections"},
|
|
|
|
{0x0207, "Missing parameter"},
|
|
|
|
{0x0208, "Can't include in session"},
|
|
|
|
{0x0209, "Session type not supported"},
|
|
|
|
{0x0300, "Target error (miscellaneous error)"},
|
|
|
|
{0x0301, "Service unavailable"},
|
|
|
|
{0x0302, "Out of resources"},
|
2001-05-30 18:52:38 +00:00
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
static const value_string iscsi_login_stage[] = {
|
|
|
|
{0, "Security negotiation"},
|
|
|
|
{1, "Operational negotiation"},
|
|
|
|
{3, "Full feature phase"},
|
2001-05-30 18:52:38 +00:00
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_logout_reasons[] = {
|
2001-10-19 20:53:14 +00:00
|
|
|
{0, "Close session"},
|
|
|
|
{1, "Close connection"},
|
2001-05-30 18:52:38 +00:00
|
|
|
{2, "Remove connection for recovery"},
|
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_logout_response[] = {
|
|
|
|
{0, "Connection closed successfully"},
|
2001-10-19 20:53:14 +00:00
|
|
|
{1, "CID not found"},
|
|
|
|
{2, "Connection recovery not supported"},
|
|
|
|
{3, "Cleanup failed for various reasons"},
|
2001-05-30 18:52:38 +00:00
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
static const value_string iscsi_asyncevents[] = {
|
|
|
|
{0, "A SCSI asynchronous event is reported in the sense data"},
|
|
|
|
{1, "Target requests logout"},
|
|
|
|
{2, "Target will/has dropped connection"},
|
|
|
|
{3, "Target will/has dropped all connections"},
|
2001-06-28 08:05:26 +00:00
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
static const value_string iscsi_snack_types[] = {
|
|
|
|
{0, "Data/R2T"},
|
|
|
|
{1, "Status"},
|
|
|
|
{0, NULL}
|
2001-05-30 18:52:38 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string iscsi_reject_reasons[] = {
|
2001-10-19 20:53:14 +00:00
|
|
|
{0x01, "Full feature phase command before login"},
|
|
|
|
{0x02, "Data (payload) digest error"},
|
|
|
|
{0x03, "Data SNACK reject"},
|
|
|
|
{0x04, "Protocol error"},
|
|
|
|
{0x05, "Command not supported in this session type"},
|
|
|
|
{0x06, "Immediate command reject (too many immediate commands)"},
|
|
|
|
{0x07, "Task in progress"},
|
|
|
|
{0x08, "Invalid SNACK"},
|
|
|
|
{0x09, "Bookmark reject (no bookmark for this initiator task tag)"},
|
|
|
|
{0x0a, "Bookmark reject (can't generate bookmark - out of resources)"},
|
|
|
|
{0x0b, "Negotiation reset"},
|
2001-05-30 18:52:38 +00:00
|
|
|
{0, NULL},
|
|
|
|
};
|
|
|
|
|
2001-06-28 08:05:26 +00:00
|
|
|
/*****************************************************************/
|
|
|
|
/* */
|
|
|
|
/* 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 : 4 bytes. */
|
|
|
|
/* Poly : 0x1EDC6F41L */
|
|
|
|
/* 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 guint32 crc32Table[256] = {
|
|
|
|
0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
|
|
|
|
0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
|
|
|
|
0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
|
|
|
|
0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
|
|
|
|
0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
|
|
|
|
0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
|
|
|
|
0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
|
|
|
|
0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
|
|
|
|
0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
|
|
|
|
0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
|
|
|
|
0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
|
|
|
|
0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
|
|
|
|
0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
|
|
|
|
0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
|
|
|
|
0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
|
|
|
|
0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
|
|
|
|
0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
|
|
|
|
0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
|
|
|
|
0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
|
|
|
|
0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
|
|
|
|
0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
|
|
|
|
0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
|
|
|
|
0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
|
|
|
|
0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
|
|
|
|
0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
|
|
|
|
0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
|
|
|
|
0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
|
|
|
|
0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
|
|
|
|
0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
|
|
|
|
0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
|
|
|
|
0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
|
|
|
|
0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
|
|
|
|
0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
|
|
|
|
0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
|
|
|
|
0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
|
|
|
|
0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
|
|
|
|
0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
|
|
|
|
0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
|
|
|
|
0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
|
|
|
|
0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
|
|
|
|
0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
|
|
|
|
0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
|
|
|
|
0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
|
|
|
|
0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
|
|
|
|
0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
|
|
|
|
0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
|
|
|
|
0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
|
|
|
|
0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
|
|
|
|
0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
|
|
|
|
0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
|
|
|
|
0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
|
|
|
|
0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
|
|
|
|
0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
|
|
|
|
0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
|
|
|
|
0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
|
|
|
|
0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
|
|
|
|
0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
|
|
|
|
0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
|
|
|
|
0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
|
|
|
|
0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
|
|
|
|
0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
|
|
|
|
0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
|
|
|
|
0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
|
|
|
|
0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L
|
|
|
|
};
|
|
|
|
|
|
|
|
#define CRC32C_PRELOAD 0xffffffff
|
|
|
|
|
|
|
|
static guint32
|
|
|
|
calculateCRC32(const void *buf, int len, guint32 crc) {
|
|
|
|
guint8 *p = (guint8 *)buf;
|
|
|
|
while(len-- > 0)
|
|
|
|
crc = crc32Table[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
|
|
|
return crc;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
iscsi_min(int a, int b) {
|
2001-05-30 18:52:38 +00:00
|
|
|
return (a < b)? a : b;
|
|
|
|
}
|
|
|
|
|
2001-06-28 08:05:26 +00:00
|
|
|
static gint
|
|
|
|
addTextKeys(proto_tree *tt, tvbuff_t *tvb, gint offset, guint32 text_len) {
|
2001-05-30 18:52:38 +00:00
|
|
|
const gint limit = offset + text_len;
|
|
|
|
while(offset < limit) {
|
2001-07-16 06:06:06 +00:00
|
|
|
gint len = tvb_strnlen(tvb, offset, limit - offset);
|
|
|
|
if(len == -1)
|
2001-05-30 18:52:38 +00:00
|
|
|
len = limit - offset;
|
2001-07-16 06:06:06 +00:00
|
|
|
else
|
|
|
|
len = len + 1;
|
|
|
|
proto_tree_add_item(tt, hf_iscsi_KeyValue, tvb, offset, len, FALSE);
|
2001-05-30 18:52:38 +00:00
|
|
|
offset += len;
|
|
|
|
}
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
2001-06-28 08:05:26 +00:00
|
|
|
static gint
|
|
|
|
handleHeaderDigest(proto_item *ti, tvbuff_t *tvb, guint offset, int headerLen) {
|
2001-10-19 20:53:14 +00:00
|
|
|
int available_bytes = tvb_length_remaining(tvb, offset);
|
2001-10-21 17:20:10 +00:00
|
|
|
if(enableHeaderDigests) {
|
|
|
|
if(headerDigestIsCRC32) {
|
|
|
|
if(available_bytes >= (headerLen + 4)) {
|
|
|
|
guint32 crc = ~calculateCRC32(tvb_get_ptr(tvb, offset, headerLen), headerLen, CRC32C_PRELOAD);
|
|
|
|
guint32 sent = tvb_get_ntohl(tvb, offset + headerLen);
|
|
|
|
if(crc == sent) {
|
|
|
|
proto_tree_add_uint_format(ti, hf_iscsi_HeaderDigest32, tvb, offset + headerLen, 4, sent, "HeaderDigest: 0x%08x (Good CRC32)", sent);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
proto_tree_add_uint_format(ti, hf_iscsi_HeaderDigest32, tvb, offset + headerLen, 4, sent, "HeaderDigest: 0x%08x (Bad CRC32)", sent);
|
|
|
|
}
|
2001-06-28 08:05:26 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
return offset + headerLen + 4;
|
|
|
|
}
|
|
|
|
if(available_bytes >= (headerLen + headerDigestSize)) {
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_HeaderDigest, tvb, offset + headerLen, headerDigestSize, FALSE);
|
|
|
|
}
|
|
|
|
return offset + headerLen + headerDigestSize;
|
|
|
|
}
|
|
|
|
return offset + headerLen;
|
|
|
|
}
|
|
|
|
|
|
|
|
static gint
|
|
|
|
handleDataDigest(proto_item *ti, tvbuff_t *tvb, guint offset, int dataLen) {
|
|
|
|
int available_bytes = tvb_length_remaining(tvb, offset);
|
|
|
|
if(enableDataDigests) {
|
|
|
|
if(dataDigestIsCRC32) {
|
|
|
|
if(available_bytes >= (dataLen + 4)) {
|
|
|
|
guint32 crc = ~calculateCRC32(tvb_get_ptr(tvb, offset, dataLen), dataLen, CRC32C_PRELOAD);
|
|
|
|
guint32 sent = tvb_get_ntohl(tvb, offset + dataLen);
|
|
|
|
if(crc == sent) {
|
|
|
|
proto_tree_add_uint_format(ti, hf_iscsi_DataDigest32, tvb, offset + dataLen, 4, sent, "DataDigest: 0x%08x (Good CRC32)", sent);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
proto_tree_add_uint_format(ti, hf_iscsi_DataDigest32, tvb, offset + dataLen, 4, sent, "DataDigest: 0x%08x (Bad CRC32)", sent);
|
|
|
|
}
|
2001-06-28 08:05:26 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
return offset + dataLen + 4;
|
2001-06-28 08:05:26 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
if(available_bytes >= (dataLen + dataDigestSize)) {
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_DataDigest, tvb, offset + dataLen, dataDigestSize, FALSE);
|
|
|
|
}
|
|
|
|
return offset + dataLen + dataDigestSize;
|
2001-06-28 08:05:26 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
return offset + dataLen;
|
2001-06-28 08:05:26 +00:00
|
|
|
}
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
static int
|
2001-10-21 17:20:10 +00:00
|
|
|
handleDataSegment(proto_item *ti, tvbuff_t *tvb, guint offset, guint dataSegmentLen, guint endOffset, int hf_id) {
|
|
|
|
if(endOffset > offset) {
|
|
|
|
int dataOffset = offset;
|
|
|
|
int dataLen = iscsi_min(dataSegmentLen, endOffset - offset);
|
|
|
|
if(dataLen > 0) {
|
|
|
|
proto_tree_add_item(ti, hf_id, tvb, offset, dataLen, FALSE);
|
|
|
|
offset += dataLen;
|
|
|
|
}
|
|
|
|
if(offset < endOffset && (offset & 3) != 0) {
|
|
|
|
int padding = 4 - (offset & 3);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Padding, tvb, offset, padding, FALSE);
|
|
|
|
offset += padding;
|
|
|
|
}
|
|
|
|
if(dataSegmentLen > 0 && offset < endOffset)
|
|
|
|
offset = handleDataDigest(ti, tvb, dataOffset, offset - dataOffset);
|
|
|
|
}
|
|
|
|
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
handleDataSegmentAsTextKeys(proto_item *ti, tvbuff_t *tvb, guint offset, guint dataSegmentLen, guint endOffset, int digestsActive) {
|
|
|
|
if(endOffset > offset) {
|
|
|
|
int dataOffset = offset;
|
|
|
|
int textLen = iscsi_min(dataSegmentLen, endOffset - offset);
|
|
|
|
if(textLen > 0) {
|
|
|
|
proto_item *tf = proto_tree_add_text(ti, tvb, offset, textLen, "Key/Value Pairs");
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_KeyValues);
|
|
|
|
offset = addTextKeys(tt, tvb, offset, textLen);
|
|
|
|
}
|
|
|
|
if(offset < endOffset && (offset & 3) != 0) {
|
|
|
|
int padding = 4 - (offset & 3);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Padding, tvb, offset, padding, FALSE);
|
|
|
|
offset += padding;
|
|
|
|
}
|
|
|
|
if(digestsActive && dataSegmentLen > 0 && offset < endOffset)
|
|
|
|
offset = handleDataDigest(ti, tvb, dataOffset, offset - dataOffset);
|
|
|
|
}
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Code to actually dissect the packets */
|
|
|
|
static void
|
2001-10-19 20:53:14 +00:00
|
|
|
dissect_iscsi_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset, guint8 opcode, const char *opcode_str, guint32 data_segment_len) {
|
|
|
|
guint original_offset = offset;
|
2001-05-30 18:52:38 +00:00
|
|
|
proto_item *ti;
|
2001-06-04 05:32:52 +00:00
|
|
|
char *scsi_command_name = NULL;
|
2001-10-19 20:53:14 +00:00
|
|
|
guint cdb_offset = offset + 32; /* offset of CDB from start of PDU */
|
|
|
|
guint end_offset = offset + tvb_length_remaining(tvb, offset);
|
2001-05-30 18:52:38 +00:00
|
|
|
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
|
|
if (check_col(pinfo->fd, COL_PROTOCOL))
|
|
|
|
col_set_str(pinfo->fd, COL_PROTOCOL, "iSCSI");
|
|
|
|
|
|
|
|
if (check_col(pinfo->fd, COL_INFO)) {
|
|
|
|
|
|
|
|
col_add_str(pinfo->fd, COL_INFO, (char *)opcode_str);
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
if((opcode & ~(X_BIT | I_BIT)) == ISCSI_OPCODE_SCSI_COMMAND) {
|
2001-06-04 05:32:52 +00:00
|
|
|
/* SCSI Command */
|
|
|
|
guint8 cdb0 = tvb_get_guint8(tvb, cdb_offset);
|
|
|
|
scsi_command_name = match_strval(cdb0, iscsi_scsi_cdb0);
|
|
|
|
if(cdb0 == 0x08 || cdb0 == 0x0a) {
|
|
|
|
/* READ_6 and WRITE_6 */
|
|
|
|
guint lba = tvb_get_ntohl(tvb, cdb_offset) & 0x1fffff;
|
|
|
|
guint len = tvb_get_guint8(tvb, cdb_offset + 4);
|
|
|
|
col_append_fstr(pinfo->fd, COL_INFO, " (%s LBA 0x%06x len 0x%02x)", scsi_command_name, lba, len);
|
|
|
|
}
|
|
|
|
else if(cdb0 == 0x28 || cdb0 == 0x2a) {
|
|
|
|
/* READ_10 and WRITE_10 */
|
|
|
|
guint lba = tvb_get_ntohl(tvb, cdb_offset + 2);
|
|
|
|
guint len = tvb_get_ntohs(tvb, cdb_offset + 7);
|
|
|
|
col_append_fstr(pinfo->fd, COL_INFO, " (%s LBA 0x%08x len 0x%04x)", scsi_command_name, lba, len);
|
|
|
|
}
|
|
|
|
else if(scsi_command_name != NULL)
|
|
|
|
col_append_fstr(pinfo->fd, COL_INFO, " (%s)", scsi_command_name);
|
2001-05-31 19:20:41 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_RESPONSE) {
|
2001-06-04 05:32:52 +00:00
|
|
|
/* SCSI Command Response */
|
2001-05-31 19:20:41 +00:00
|
|
|
const char *blurb = NULL;
|
2001-10-19 20:53:14 +00:00
|
|
|
/* look at response byte */
|
|
|
|
if(tvb_get_guint8(tvb, offset + 2) == 0) {
|
|
|
|
/* command completed at target */
|
|
|
|
blurb = match_strval(tvb_get_guint8(tvb, offset + 3) >> 1, iscsi_scsi_statuses);
|
|
|
|
}
|
2001-05-31 19:20:41 +00:00
|
|
|
else
|
2001-10-19 20:53:14 +00:00
|
|
|
blurb = "Target Failure";
|
2001-05-31 19:20:41 +00:00
|
|
|
if(blurb != NULL)
|
|
|
|
col_append_fstr(pinfo->fd, COL_INFO, " (%s)", blurb);
|
|
|
|
}
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* In the interest of speed, if "tree" is NULL, don't do any
|
|
|
|
work not necessary to generate protocol tree items. */
|
|
|
|
if (tree) {
|
|
|
|
|
|
|
|
/* create display subtree for the protocol */
|
2001-10-19 20:53:14 +00:00
|
|
|
ti = proto_tree_add_protocol_format(tree, proto_iscsi, tvb,
|
|
|
|
offset, 0, "iSCSI (%s)",
|
|
|
|
(char *)opcode_str);
|
2001-05-30 18:52:38 +00:00
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_Opcode, tvb,
|
|
|
|
offset + 0, 1, opcode);
|
|
|
|
if((opcode & TARGET_OPCODE_BIT) == 0) {
|
|
|
|
/* initiator -> target */
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 0);
|
|
|
|
if(opcode != ISCSI_OPCODE_SCSI_DATA_OUT &&
|
|
|
|
opcode != ISCSI_OPCODE_LOGOUT_COMMAND &&
|
|
|
|
opcode != ISCSI_OPCODE_SNACK_REQUEST)
|
|
|
|
proto_tree_add_boolean(ti, hf_iscsi_X, tvb, offset + 0, 1, b);
|
|
|
|
if(opcode != ISCSI_OPCODE_SCSI_DATA_OUT)
|
|
|
|
proto_tree_add_boolean(ti, hf_iscsi_I, tvb, offset + 0, 1, b);
|
2001-07-22 20:02:23 +00:00
|
|
|
}
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
if(opcode == ISCSI_OPCODE_NOP_OUT) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* NOP Out */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_ping_data);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_NOP_IN) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* NOP In */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_ping_data);
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_COMMAND) {
|
|
|
|
/* SCSI Command */
|
2001-10-21 17:20:10 +00:00
|
|
|
guint32 ahsLen = tvb_get_guint8(tvb, offset + 4) * 4;
|
2001-10-19 20:53:14 +00:00
|
|
|
{
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
|
|
|
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSICommand_F, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSICommand_R, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSICommand_W, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_uint(tt, hf_iscsi_SCSICommand_Attr, tvb, offset + 1, 1, b);
|
|
|
|
}
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSICommand_CRN, tvb, offset + 3, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TotalAHSLength, tvb, offset + 4, 1, FALSE);
|
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpectedDataTransferLength, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-05-30 18:52:38 +00:00
|
|
|
{
|
2001-06-04 05:32:52 +00:00
|
|
|
/* dissect a little of the CDB for the most common
|
|
|
|
* commands */
|
|
|
|
guint8 cdb0 = tvb_get_guint8(tvb, cdb_offset);
|
|
|
|
gint cdb_len = 16;
|
|
|
|
proto_item *tf;
|
2001-10-19 20:53:14 +00:00
|
|
|
/* FIXME - extended CDB */
|
2001-06-04 05:32:52 +00:00
|
|
|
if(scsi_command_name == NULL)
|
|
|
|
scsi_command_name = match_strval(cdb0, iscsi_scsi_cdb0);
|
|
|
|
if(cdb0 == 0x08 || cdb0 == 0x0a) {
|
|
|
|
/* READ_6 and WRITE_6 */
|
|
|
|
guint lba = tvb_get_ntohl(tvb, cdb_offset) & 0x1fffff;
|
|
|
|
guint len = tvb_get_guint8(tvb, cdb_offset + 4);
|
|
|
|
tf = proto_tree_add_uint_format(ti, hf_iscsi_SCSICommand_CDB0, tvb, cdb_offset, cdb_len, cdb0, "CDB: %s LBA 0x%06x len 0x%02x", scsi_command_name, lba, len);
|
|
|
|
}
|
|
|
|
else if(cdb0 == 0x28 || cdb0 == 0x2a) {
|
|
|
|
/* READ_10 and WRITE_10 */
|
|
|
|
guint lba = tvb_get_ntohl(tvb, cdb_offset + 2);
|
|
|
|
guint len = tvb_get_ntohs(tvb, cdb_offset + 7);
|
|
|
|
tf = proto_tree_add_uint_format(ti, hf_iscsi_SCSICommand_CDB0, tvb, cdb_offset, cdb_len, cdb0, "CDB: %s LBA 0x%08x len 0x%04x", scsi_command_name, lba, len);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
tf = proto_tree_add_uint(ti, hf_iscsi_SCSICommand_CDB0, tvb, cdb_offset, cdb_len, cdb0);
|
|
|
|
{
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_CDB);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(tt, hf_iscsi_SCSICommand_CDB, tvb, cdb_offset, cdb_len, FALSE);
|
2001-06-04 05:32:52 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
if(ahsLen > 0) {
|
|
|
|
/* FIXME - disssect AHS? */
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_AHS, tvb, offset + 48, ahsLen, FALSE);
|
2001-05-31 19:20:41 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48 + ahsLen);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_immediate_data);
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_RESPONSE) {
|
|
|
|
/* SCSI Response */
|
|
|
|
{
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
|
|
|
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIResponse_o, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIResponse_u, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIResponse_O, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIResponse_U, tvb, offset + 1, 1, b);
|
|
|
|
}
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIResponse_Response, tvb, offset + 2, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIResponse_Status, tvb, offset + 3, 1, FALSE);
|
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIResponse_ResidualCount, tvb, offset + 20, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpDataSN, tvb, offset + 36, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIResponse_BidiReadResidualCount, tvb, offset + 44, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_sense_data);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_COMMAND) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* SCSI Task Command */
|
2001-07-22 20:02:23 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSITask_Function, tvb, offset + 1, 1, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSITask_ReferencedTaskTag, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_RefCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_RESPONSE) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* SCSI Task Response */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSITask_Response, tvb, offset + 2, 1, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSITask_ReferencedTaskTag, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_LOGIN_COMMAND) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Login Command */
|
2001-10-21 17:20:10 +00:00
|
|
|
int digestsActive = 1;
|
2001-10-19 20:53:14 +00:00
|
|
|
{
|
2001-07-22 20:02:23 +00:00
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
2001-10-21 17:20:10 +00:00
|
|
|
if((b & CSG_MASK) == 0) {
|
|
|
|
/* current stage is SecurityNegotiation, digests
|
|
|
|
* are not yet turned on */
|
|
|
|
digestsActive = 0;
|
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
#if 0
|
2001-07-22 20:02:23 +00:00
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
2001-10-19 20:53:14 +00:00
|
|
|
#endif
|
2001-07-22 20:02:23 +00:00
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_boolean(ti, hf_iscsi_Login_T, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Login_CSG, tvb, offset + 1, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Login_NSG, tvb, offset + 1, 1, FALSE);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_VersionMax, tvb, offset + 2, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_VersionMin, tvb, offset + 3, 1, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_CID, tvb, offset + 8, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ISID, tvb, offset + 12, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TSID, tvb, offset + 14, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
if(digestsActive)
|
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
else
|
|
|
|
offset += 48;
|
|
|
|
offset = handleDataSegmentAsTextKeys(ti, tvb, offset, data_segment_len, end_offset, digestsActive);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_LOGIN_RESPONSE) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Login Response */
|
2001-10-21 17:20:10 +00:00
|
|
|
int digestsActive = 1;
|
2001-05-31 19:20:41 +00:00
|
|
|
{
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
2001-10-21 17:20:10 +00:00
|
|
|
if((b & CSG_MASK) == 0) {
|
|
|
|
/* current stage is SecurityNegotiation, digests
|
|
|
|
* are not yet turned on */
|
|
|
|
digestsActive = 0;
|
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
#if 0
|
2001-05-31 19:20:41 +00:00
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
2001-10-19 20:53:14 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
proto_tree_add_boolean(ti, hf_iscsi_Login_T, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Login_CSG, tvb, offset + 1, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Login_NSG, tvb, offset + 1, 1, FALSE);
|
2001-05-31 19:20:41 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_VersionMax, tvb, offset + 2, 1, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_VersionActive, tvb, offset + 3, 1, FALSE);
|
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ISID, tvb, offset + 12, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TSID, tvb, offset + 14, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Login_Status, tvb, offset + 36, 2, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
if(digestsActive)
|
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
else
|
|
|
|
offset += 48;
|
|
|
|
offset = handleDataSegmentAsTextKeys(ti, tvb, offset, data_segment_len, end_offset, digestsActive);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_TEXT_COMMAND) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Text Command */
|
2001-10-19 20:53:14 +00:00
|
|
|
{
|
2001-07-22 20:02:23 +00:00
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
|
|
|
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_Text_F, tvb, offset + 1, 1, b);
|
2001-05-30 18:52:38 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
|
|
|
}
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_CmdSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegmentAsTextKeys(ti, tvb, offset, data_segment_len, end_offset, TRUE);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_TEXT_RESPONSE) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Text Response */
|
2001-10-19 20:53:14 +00:00
|
|
|
{
|
2001-07-22 20:02:23 +00:00
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
|
|
|
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_Text_F, tvb, offset + 1, 1, b);
|
2001-05-30 18:52:38 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
|
|
|
}
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegmentAsTextKeys(ti, tvb, offset, data_segment_len, end_offset, TRUE);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_DATA_OUT) {
|
|
|
|
/* SCSI Data Out (write) */
|
2001-05-31 19:20:41 +00:00
|
|
|
{
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
|
|
|
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIData_F, tvb, offset + 1, 1, b);
|
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_DataSN, tvb, offset + 36, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_write_data);
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
else if(opcode == ISCSI_OPCODE_SCSI_DATA_IN) {
|
|
|
|
/* SCSI Data In (read) */
|
|
|
|
{
|
2001-07-22 20:02:23 +00:00
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
2001-05-31 19:20:41 +00:00
|
|
|
|
2001-07-22 20:02:23 +00:00
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIData_F, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIData_O, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIData_U, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree_add_boolean(tt, hf_iscsi_SCSIData_S, tvb, offset + 1, 1, b);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIResponse_Status, tvb, offset + 3, 1, FALSE);
|
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_SCSIData_ResidualCount, tvb, offset + 20, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_DataSN, tvb, offset + 36, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_read_data);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_LOGOUT_COMMAND) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Logout Command */
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_CID, tvb, offset + 8, 2, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Logout_Reason, tvb, offset + 11, 1, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_LOGOUT_RESPONSE) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Logout Response */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Logout_Response, tvb, offset + 2, 1, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Time2Wait, tvb, offset + 40, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Time2Retain, tvb, offset + 42, 2, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_SNACK_REQUEST) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* SNACK Request */
|
2001-05-31 19:20:41 +00:00
|
|
|
{
|
|
|
|
gint b = tvb_get_guint8(tvb, offset + 1);
|
2001-10-19 20:53:14 +00:00
|
|
|
#if 0
|
2001-05-31 19:20:41 +00:00
|
|
|
proto_item *tf = proto_tree_add_uint(ti, hf_iscsi_Flags, tvb, offset + 1, 1, b);
|
|
|
|
proto_tree *tt = proto_item_add_subtree(tf, ett_iscsi_Flags);
|
2001-10-19 20:53:14 +00:00
|
|
|
#endif
|
2001-05-31 19:20:41 +00:00
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_snack_type, tvb, offset + 1, 1, b);
|
2001-05-31 19:20:41 +00:00
|
|
|
}
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_BegRun, tvb, offset + 20, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_RunLength, tvb, offset + 24, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpStatSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpDataSN, tvb, offset + 36, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_R2T) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* R2T */
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_InitiatorTaskTag, tvb, offset + 16, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_TargetTransferTag, tvb, offset + 20, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_R2TSN, tvb, offset + 36, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_BufferOffset, tvb, offset + 40, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_DesiredDataLength, tvb, offset + 44, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_ASYNC_MESSAGE) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Asynchronous Message */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_LUN, tvb, offset + 8, 8, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_AsyncEvent, tvb, offset + 36, 1, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_EventVendorCode, tvb, offset + 37, 1, FALSE);
|
2001-07-16 05:16:58 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Parameter1, tvb, offset + 38, 2, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_Parameter2, tvb, offset + 40, 2, FALSE);
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Parameter3, tvb, offset + 42, 2, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
2001-10-19 20:53:14 +00:00
|
|
|
else if(opcode == ISCSI_OPCODE_REJECT) {
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Reject */
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_tree_add_item(ti, hf_iscsi_Reject_Reason, tvb, offset + 2, 1, FALSE);
|
|
|
|
proto_tree_add_uint(ti, hf_iscsi_DataSegmentLength, tvb, offset + 5, 3, data_segment_len);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_StatSN, tvb, offset + 24, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_ExpCmdSN, tvb, offset + 28, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_MaxCmdSN, tvb, offset + 32, 4, FALSE);
|
|
|
|
proto_tree_add_item(ti, hf_iscsi_DataSN, tvb, offset + 36, 4, FALSE);
|
2001-10-21 17:20:10 +00:00
|
|
|
offset = handleHeaderDigest(ti, tvb, offset, 48);
|
|
|
|
offset = handleDataSegment(ti, tvb, offset, data_segment_len, end_offset, hf_iscsi_error_pdu_data);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
proto_item_set_len(ti, offset - original_offset);
|
|
|
|
}
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
static gboolean
|
|
|
|
dissect_iscsi(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
|
|
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
2001-10-21 17:20:10 +00:00
|
|
|
guint iSCSIPdusDissected = 0;
|
2001-10-19 20:53:14 +00:00
|
|
|
guint offset = 0;
|
|
|
|
guint32 available_bytes = tvb_length_remaining(tvb, offset);
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
if (!proto_is_protocol_enabled(proto_iscsi))
|
|
|
|
return FALSE; /* iSCSI has been disabled */
|
|
|
|
|
|
|
|
/* quick check to see if the packet is long enough to contain the
|
|
|
|
* minimum amount of information we need */
|
|
|
|
if (available_bytes < 48 && (!iscsi_desegment || available_bytes < 8)) {
|
2001-10-19 20:53:14 +00:00
|
|
|
/* no, so give up */
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
/* process multiple iSCSI PDUs per packet */
|
|
|
|
while(available_bytes >= 48 || (iscsi_desegment && available_bytes >= 8)) {
|
2001-10-19 20:53:14 +00:00
|
|
|
const char *opcode_str = NULL;
|
|
|
|
guint32 data_segment_len;
|
|
|
|
guint8 opcode = tvb_get_guint8(tvb, offset + 0);
|
2001-10-21 17:20:10 +00:00
|
|
|
guint8 secondPduByte = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
int badPdu = FALSE;
|
2001-10-19 20:53:14 +00:00
|
|
|
|
|
|
|
if((opcode & TARGET_OPCODE_BIT) == 0) {
|
|
|
|
/* initiator -> target */
|
|
|
|
/* mask out X and I bits */
|
|
|
|
opcode &= ~(X_BIT | I_BIT);
|
|
|
|
}
|
|
|
|
opcode_str = match_strval(opcode, iscsi_opcodes);
|
2001-10-21 17:20:10 +00:00
|
|
|
if(opcode == ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_COMMAND ||
|
|
|
|
opcode == ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_RESPONSE ||
|
|
|
|
opcode == ISCSI_OPCODE_R2T ||
|
|
|
|
opcode == ISCSI_OPCODE_LOGOUT_COMMAND ||
|
|
|
|
opcode == ISCSI_OPCODE_LOGOUT_RESPONSE ||
|
|
|
|
opcode == ISCSI_OPCODE_SNACK_REQUEST)
|
|
|
|
data_segment_len = 0;
|
|
|
|
else
|
|
|
|
data_segment_len = tvb_get_ntohl(tvb, offset + 4) & 0x00ffffff;
|
|
|
|
|
|
|
|
if(opcode_str == NULL) {
|
|
|
|
badPdu = TRUE;
|
|
|
|
}
|
|
|
|
else if(iscsi_port != 0 &&
|
|
|
|
(((opcode & TARGET_OPCODE_BIT) && pinfo->srcport != iscsi_port) ||
|
|
|
|
(!(opcode & TARGET_OPCODE_BIT) && pinfo->destport != iscsi_port))) {
|
|
|
|
badPdu = TRUE;
|
|
|
|
}
|
|
|
|
else if(enable_bogosity_filter) {
|
|
|
|
/* try and distinguish between data and real headers */
|
|
|
|
if(data_segment_len > bogus_pdu_data_length_threshold) {
|
|
|
|
badPdu = TRUE;
|
|
|
|
}
|
|
|
|
else if(!(secondPduByte & 0x80) &&
|
|
|
|
(opcode == ISCSI_OPCODE_NOP_OUT ||
|
|
|
|
opcode == ISCSI_OPCODE_NOP_IN ||
|
|
|
|
opcode == ISCSI_OPCODE_LOGOUT_COMMAND ||
|
|
|
|
opcode == ISCSI_OPCODE_LOGOUT_RESPONSE ||
|
|
|
|
opcode == ISCSI_OPCODE_SCSI_RESPONSE ||
|
|
|
|
opcode == ISCSI_OPCODE_SCSI_TASK_MANAGEMENT_RESPONSE ||
|
|
|
|
opcode == ISCSI_OPCODE_R2T ||
|
|
|
|
opcode == ISCSI_OPCODE_ASYNC_MESSAGE ||
|
|
|
|
opcode == ISCSI_OPCODE_SNACK_REQUEST ||
|
|
|
|
opcode == ISCSI_OPCODE_REJECT)) {
|
|
|
|
badPdu = TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if(badPdu) {
|
|
|
|
return iSCSIPdusDissected > 0;
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
else {
|
2001-10-21 17:20:10 +00:00
|
|
|
guint32 pduLen = 48;
|
|
|
|
int digestsActive = 1;
|
|
|
|
|
|
|
|
if(opcode == ISCSI_OPCODE_LOGIN_COMMAND ||
|
|
|
|
opcode == ISCSI_OPCODE_LOGIN_RESPONSE) {
|
|
|
|
if((secondPduByte & CSG_MASK) == 0) {
|
|
|
|
/* current stage is SecurityNegotiation, digests
|
|
|
|
* are not yet turned on */
|
|
|
|
digestsActive = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if(opcode == ISCSI_OPCODE_SCSI_COMMAND) {
|
|
|
|
/* ahsLen */
|
|
|
|
pduLen += tvb_get_guint8(tvb, offset + 4) * 4;
|
|
|
|
}
|
|
|
|
|
|
|
|
pduLen += data_segment_len;
|
|
|
|
if((pduLen & 3) != 0)
|
|
|
|
pduLen += 4 - (pduLen & 3);
|
|
|
|
|
|
|
|
if(digestsActive && enableHeaderDigests) {
|
|
|
|
if(headerDigestIsCRC32)
|
|
|
|
pduLen += 4;
|
|
|
|
else
|
|
|
|
pduLen += headerDigestSize;
|
|
|
|
}
|
|
|
|
|
|
|
|
if(digestsActive && data_segment_len > 0 && enableDataDigests) {
|
|
|
|
if(dataDigestIsCRC32)
|
|
|
|
pduLen += 4;
|
|
|
|
else
|
|
|
|
pduLen += dataDigestSize;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Desegmentation check.
|
|
|
|
*/
|
|
|
|
if(iscsi_desegment && pinfo->can_desegment) {
|
|
|
|
if(pduLen > available_bytes) {
|
|
|
|
/*
|
|
|
|
* This frame doesn't have all of the data for
|
|
|
|
* this message, but we can do reassembly on it.
|
|
|
|
*
|
|
|
|
* Tell the TCP dissector where the data for this
|
|
|
|
* message starts in the data it handed us, and
|
|
|
|
* how many more bytes we need, and return.
|
|
|
|
*/
|
|
|
|
pinfo->desegment_offset = offset;
|
|
|
|
pinfo->desegment_len = pduLen - available_bytes;
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-10-19 20:53:14 +00:00
|
|
|
dissect_iscsi_pdu(tvb, pinfo, tree, offset, opcode, opcode_str, data_segment_len);
|
2001-10-21 17:20:10 +00:00
|
|
|
if(pduLen > available_bytes)
|
|
|
|
pduLen = available_bytes;
|
|
|
|
offset += pduLen;
|
|
|
|
available_bytes -= pduLen;
|
|
|
|
++iSCSIPdusDissected;
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
return iSCSIPdusDissected > 0;
|
2001-10-19 20:53:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2001-05-30 18:52:38 +00:00
|
|
|
/* Register the protocol with Ethereal */
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
/*
|
|
|
|
* this format is require because a script is used to build the C
|
|
|
|
* function that calls all the protocol registration.
|
2001-05-30 18:52:38 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_iscsi(void)
|
|
|
|
{
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
2001-05-30 18:52:38 +00:00
|
|
|
static hf_register_info hf[] = {
|
2001-10-21 17:20:10 +00:00
|
|
|
{ &hf_iscsi_AHS,
|
|
|
|
{ "AHS", "iscsi.ahs",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Additional header segment", HFILL }
|
|
|
|
},
|
2001-06-28 08:05:26 +00:00
|
|
|
{ &hf_iscsi_Padding,
|
|
|
|
{ "Padding", "iscsi.padding",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Padding to 4 byte boundary", HFILL }
|
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_ping_data,
|
|
|
|
{ "PingData", "iscsi.pingdata",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Ping Data", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_immediate_data,
|
|
|
|
{ "ImmediateData", "iscsi.immediatedata",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
2001-10-19 20:53:14 +00:00
|
|
|
"Immediate Data", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_sense_data,
|
|
|
|
{ "SenseData", "iscsi.sensedata",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Sense Data", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_write_data,
|
|
|
|
{ "WriteData", "iscsi.writedata",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Write Data", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_read_data,
|
|
|
|
{ "ReadData", "iscsi.readdata",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Read Data", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_error_pdu_data,
|
|
|
|
{ "ErrorPDUData", "iscsi.errorpdudata",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Error PDU Data", HFILL }
|
2001-06-28 08:05:26 +00:00
|
|
|
},
|
2001-10-21 17:20:10 +00:00
|
|
|
{ &hf_iscsi_HeaderDigest,
|
2001-06-28 08:05:26 +00:00
|
|
|
{ "HeaderDigest", "iscsi.headerdigest",
|
2001-10-21 17:20:10 +00:00
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Header Digest", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_HeaderDigest32,
|
|
|
|
{ "HeaderDigest", "iscsi.headerdigest32",
|
2001-06-28 08:05:26 +00:00
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
|
|
"Header Digest", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-21 17:20:10 +00:00
|
|
|
{ &hf_iscsi_DataDigest,
|
|
|
|
{ "DataDigest", "iscsi.datadigest",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
|
|
|
"Data Digest", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_DataDigest32,
|
|
|
|
{ "DataDigest", "iscsi.datadigest32",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
|
|
"Data Digest", HFILL }
|
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_Opcode,
|
|
|
|
{ "Opcode", "iscsi.opcode",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_opcodes), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Opcode", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_X,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "X", "iscsi.X",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_X), 0x80,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Command Retry", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_I,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "I", "iscsi.I",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_I), 0x40,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Immediate delivery", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-05-31 19:20:41 +00:00
|
|
|
{ &hf_iscsi_Flags,
|
|
|
|
{ "Flags", "iscsi.flags",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Opcode specific flags", HFILL }
|
2001-05-31 19:20:41 +00:00
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_SCSICommand_F,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "F", "iscsi.scsicommand.F",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_F), 0x80,
|
2001-06-18 02:18:27 +00:00
|
|
|
"PDU completes command", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_R,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "R", "iscsi.scsicommand.R",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_R), 0x40,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Command reads from SCSI target", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_W,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "W", "iscsi.scsicommand.W",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_W), 0x20,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Command writes to SCSI target", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_Attr,
|
|
|
|
{ "Attr", "iscsi.scsicommand.attr",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_scsicommand_taskattrs), 0x07,
|
2001-06-18 02:18:27 +00:00
|
|
|
"SCSI task attributes", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_CRN,
|
|
|
|
{ "CRN", "iscsi.scsicommand.crn",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"SCSI command reference number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_AddCDB,
|
|
|
|
{ "AddCDB", "iscsi.scsicommand.addcdb",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Additional CDB length (in 4 byte units)", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_DataSegmentLength,
|
|
|
|
{ "DataSegmentLength", "iscsi.datasegmentlength",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Data segment length (bytes)", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_TotalAHSLength,
|
|
|
|
{ "TotalAHSLength", "iscsi.totalahslength",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Total additional header segment length (4 byte words)", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_LUN,
|
|
|
|
{ "LUN", "iscsi.lun",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Logical Unit Number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_InitiatorTaskTag,
|
|
|
|
{ "InitiatorTaskTag", "iscsi.initiatortasktag",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Initiator's task tag", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_ExpectedDataTransferLength,
|
|
|
|
{ "ExpectedDataTransferLength", "iscsi.scsicommand.expecteddatatransferlength",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Expected length of data transfer", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_CmdSN,
|
|
|
|
{ "CmdSN", "iscsi.cmdsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Sequence number for this command (0 == immediate)", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_ExpStatSN,
|
|
|
|
{ "ExpStatSN", "iscsi.expstatsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Next expected status sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_CDB,
|
|
|
|
{ "CDB", "iscsi.scsicommand.cdb",
|
|
|
|
FT_BYTES, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"SCSI CDB", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSICommand_CDB0,
|
|
|
|
{ "CDB", "iscsi.scsicommand.cdb0",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_scsi_cdb0), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"SCSI CDB[0]", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_SCSIResponse_ResidualCount,
|
|
|
|
{ "ResidualCount", "iscsi.scsiresponse.residualcount",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual count", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_StatSN,
|
|
|
|
{ "StatSN", "iscsi.statsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Status sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_ExpCmdSN,
|
|
|
|
{ "ExpCmdSN", "iscsi.expcmdsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Next expected command sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_MaxCmdSN,
|
|
|
|
{ "MaxCmdSN", "iscsi.maxcmdsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Maximum acceptable command sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIResponse_o,
|
|
|
|
{ "o", "iscsi.scsiresponse.o",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_o), 0x10,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Bi-directional read residual overflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIResponse_u,
|
|
|
|
{ "u", "iscsi.scsiresponse.u",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_u), 0x08,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Bi-directional read residual underflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIResponse_O,
|
|
|
|
{ "O", "iscsi.scsiresponse.O",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_O), 0x04,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual overflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIResponse_U,
|
|
|
|
{ "U", "iscsi.scsiresponse.U",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_U), 0x02,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual underflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_SCSIResponse_Status,
|
|
|
|
{ "Status", "iscsi.scsiresponse.status",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_scsi_statuses), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"SCSI command status value", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_SCSIResponse_Response,
|
|
|
|
{ "Response", "iscsi.scsiresponse.response",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_scsi_responses), 0,
|
2001-10-19 20:53:14 +00:00
|
|
|
"SCSI command response value", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIResponse_BidiReadResidualCount,
|
|
|
|
{ "BidiReadResidualCount", "iscsi.scsiresponse.bidireadresidualcount",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Bi-directional read residual count", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIData_F,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "F", "iscsi.scsidata.F",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_F), 0x80,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Final PDU", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIData_S,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "S", "iscsi.scsidata.S",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_S), 0x01,
|
2001-06-18 02:18:27 +00:00
|
|
|
"PDU Contains SCSI command status", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIData_U,
|
|
|
|
{ "U", "iscsi.scsidata.U",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_U), 0x02,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual underflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIData_O,
|
|
|
|
{ "O", "iscsi.scsidata.O",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_O), 0x04,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual overflow", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_TargetTransferTag,
|
|
|
|
{ "TargetTransferTag", "iscsi.targettransfertag",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Target transfer tag", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_BufferOffset,
|
|
|
|
{ "BufferOffset", "iscsi.bufferOffset",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Buffer offset", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSIData_ResidualCount,
|
|
|
|
{ "ResidualCount", "iscsi.scsidata.readresidualcount",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Residual count", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_DataSN,
|
|
|
|
{ "DataSN", "iscsi.datasn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Data sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_VersionMax,
|
|
|
|
{ "VersionMax", "iscsi.versionmax",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Maximum supported protocol version", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_VersionMin,
|
|
|
|
{ "VersionMin", "iscsi.versionmin",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Minimum supported protocol version", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_VersionActive,
|
|
|
|
{ "VersionActive", "iscsi.versionactive",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
|
|
"Negotiated protocol version", HFILL }
|
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_CID,
|
|
|
|
{ "CID", "iscsi.cid",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Connection identifier", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_ISID,
|
|
|
|
{ "ISID", "iscsi.isid",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Initiator part of session identifier", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_TSID,
|
|
|
|
{ "TSID", "iscsi.tsid",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Target part of session identifier", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_InitStatSN,
|
|
|
|
{ "InitStatSN", "iscsi.initstatsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Initial status sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_InitCmdSN,
|
|
|
|
{ "InitCmdSN", "iscsi.initcmdsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Initial command sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_Login_T,
|
|
|
|
{ "T", "iscsi.login.T",
|
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_T), 0x80,
|
|
|
|
"Transit to next login stage", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_Login_CSG,
|
|
|
|
{ "CSG", "iscsi.login.csg",
|
2001-10-21 17:20:10 +00:00
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_login_stage), CSG_MASK,
|
2001-10-19 20:53:14 +00:00
|
|
|
"Current stage", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_Login_NSG,
|
|
|
|
{ "NSG", "iscsi.login.nsg",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_login_stage), 0x03,
|
|
|
|
"Next stage", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_Login_Status,
|
|
|
|
{ "Status", "iscsi.login.status",
|
|
|
|
FT_UINT16, BASE_HEX, VALS(iscsi_login_status), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Status class and detail", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_KeyValue,
|
|
|
|
{ "KeyValue", "iscsi.keyvalue",
|
|
|
|
FT_STRING, 0, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Key/value pair", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_Text_F,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "F", "iscsi.text.F",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(&iscsi_meaning_F), 0x80,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Final PDU in text sequence", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_ExpDataSN,
|
2001-07-22 20:02:23 +00:00
|
|
|
{ "ExpDataSN", "iscsi.expdatasn",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Next expected data sequence number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_R2TSN,
|
|
|
|
{ "R2TSN", "iscsi.r2tsn",
|
2001-05-30 18:52:38 +00:00
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-10-19 20:53:14 +00:00
|
|
|
"R2T PDU Number", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSITask_Response,
|
|
|
|
{ "Response", "iscsi.scsitask.response",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_task_responses), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Response", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_SCSITask_ReferencedTaskTag,
|
|
|
|
{ "InitiatorTaskTag", "iscsi.scsitask.referencedtasktag",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Task's initiator task tag", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_RefCmdSN,
|
|
|
|
{ "RefCmdSN", "iscsi.refcmdsn",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
|
|
"Command sequence number for command to be aborted", HFILL }
|
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_SCSITask_Function,
|
|
|
|
{ "Function", "iscsi.scsitask.function",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_task_functions), 0x7F,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Requested task function", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_Logout_Reason,
|
|
|
|
{ "Reason", "iscsi.logout.reason",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_logout_reasons), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Reason for logout", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_Logout_Response,
|
|
|
|
{ "Response", "iscsi.logout.response",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_logout_response), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Logout response", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_Time2Wait,
|
|
|
|
{ "Time2Wait", "iscsi.time2wait",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
|
|
"Time2Wait", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_iscsi_Time2Retain,
|
|
|
|
{ "Time2Retain", "iscsi.time2retain",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
|
|
"Time2Retain", HFILL }
|
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_DesiredDataLength,
|
|
|
|
{ "DesiredDataLength", "iscsi.desireddatalength",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Desired data length (bytes)", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_AsyncEvent,
|
|
|
|
{ "AsyncEvent", "iscsi.asyncevent",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_asyncevents), 0,
|
|
|
|
"Async event type", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_EventVendorCode,
|
|
|
|
{ "EventVendorCode", "iscsi.eventvendorcode",
|
|
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
|
|
"Event vendor code", HFILL }
|
2001-06-28 08:05:26 +00:00
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_Parameter1,
|
|
|
|
{ "Parameter1", "iscsi.parameter1",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Parameter 1", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_Parameter2,
|
|
|
|
{ "Parameter2", "iscsi.parameter2",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Parameter 2", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-06-28 08:05:26 +00:00
|
|
|
{ &hf_iscsi_Parameter3,
|
|
|
|
{ "Parameter3", "iscsi.parameter3",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
|
|
"Parameter 3", HFILL }
|
|
|
|
},
|
2001-05-30 18:52:38 +00:00
|
|
|
{ &hf_iscsi_Reject_Reason,
|
|
|
|
{ "Reason", "iscsi.reject.reason",
|
|
|
|
FT_UINT8, BASE_HEX, VALS(iscsi_reject_reasons), 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Reason for command rejection", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
2001-10-19 20:53:14 +00:00
|
|
|
{ &hf_iscsi_snack_type,
|
|
|
|
{ "S", "iscsi.snack.type",
|
2001-10-20 18:30:50 +00:00
|
|
|
FT_UINT8, BASE_DEC, VALS(iscsi_snack_types), 0x0f,
|
2001-10-19 20:53:14 +00:00
|
|
|
"Type of SNACK requested", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_BegRun,
|
|
|
|
{ "BegRun", "iscsi.snack.begrun",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"First missed DataSN or StatSN", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
{ &hf_iscsi_RunLength,
|
|
|
|
{ "RunLength", "iscsi.snack.runlength",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
2001-06-18 02:18:27 +00:00
|
|
|
"Number of additional missing status PDUs in this run", HFILL }
|
2001-05-30 18:52:38 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_iscsi_KeyValues,
|
|
|
|
&ett_iscsi_CDB,
|
2001-05-31 19:20:41 +00:00
|
|
|
&ett_iscsi_Flags,
|
2001-05-30 18:52:38 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
2001-10-23 05:40:36 +00:00
|
|
|
proto_iscsi = proto_register_protocol("iSCSI", "iSCSI", "iscsi");
|
2001-05-30 18:52:38 +00:00
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
/* Required function calls to register the header fields and
|
|
|
|
* subtrees used */
|
2001-05-30 18:52:38 +00:00
|
|
|
proto_register_field_array(proto_iscsi, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
|
|
|
|
{
|
|
|
|
module_t *iscsi_module = prefs_register_protocol(proto_iscsi, NULL);
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
prefs_register_bool_preference(iscsi_module,
|
|
|
|
"desegment_iscsi_messages",
|
|
|
|
"Desegment iSCSI messages",
|
|
|
|
"When enabled, iSCSI messages that span multiple TCP segments are desegmented",
|
|
|
|
&iscsi_desegment);
|
|
|
|
|
2001-05-30 18:52:38 +00:00
|
|
|
prefs_register_bool_preference(iscsi_module,
|
2001-05-31 08:54:17 +00:00
|
|
|
"bogus_pdu_filter",
|
2001-05-30 18:52:38 +00:00
|
|
|
"Enable bogus pdu filter",
|
|
|
|
"When enabled, packets that appear bogus are ignored",
|
|
|
|
&enable_bogosity_filter);
|
|
|
|
|
|
|
|
prefs_register_uint_preference(iscsi_module,
|
2001-05-31 08:54:17 +00:00
|
|
|
"bogus_pdu_max_data_len",
|
2001-05-30 18:52:38 +00:00
|
|
|
"Bogus pdu max data length threshold",
|
|
|
|
"Treat packets whose data segment length is greater than this value as bogus",
|
|
|
|
10,
|
|
|
|
&bogus_pdu_data_length_threshold);
|
2001-10-21 17:20:10 +00:00
|
|
|
|
2001-05-30 18:52:38 +00:00
|
|
|
prefs_register_uint_preference(iscsi_module,
|
2001-10-21 17:20:10 +00:00
|
|
|
"iscsi_port",
|
|
|
|
"Target port",
|
|
|
|
"Port number of iSCSI target",
|
2001-05-30 18:52:38 +00:00
|
|
|
10,
|
2001-10-21 17:20:10 +00:00
|
|
|
&iscsi_port);
|
|
|
|
|
|
|
|
prefs_register_bool_preference(iscsi_module,
|
|
|
|
"enable_header_digests",
|
|
|
|
"Enable header digests",
|
|
|
|
"When enabled, pdus are assumed to contain a header digest",
|
|
|
|
&enableHeaderDigests);
|
|
|
|
prefs_register_bool_preference(iscsi_module,
|
|
|
|
"enable_data_digests",
|
|
|
|
"Enable data digests",
|
|
|
|
"When enabled, pdus are assumed to contain a data digest",
|
|
|
|
&enableDataDigests);
|
|
|
|
|
|
|
|
prefs_register_bool_preference(iscsi_module,
|
|
|
|
"header_digest_is_crc32c",
|
|
|
|
"Header digest is CRC32C",
|
|
|
|
"When enabled, header digests are assumed to be CRC32C",
|
|
|
|
&headerDigestIsCRC32);
|
|
|
|
prefs_register_bool_preference(iscsi_module,
|
|
|
|
"data_digest_is_crc32c",
|
|
|
|
"Data digest is CRC32C",
|
|
|
|
"When enabled, data digests are assumed to be CRC32C",
|
|
|
|
&dataDigestIsCRC32);
|
|
|
|
|
|
|
|
prefs_register_uint_preference(iscsi_module,
|
|
|
|
"header_digest_size",
|
|
|
|
"Header digest size",
|
|
|
|
"The size of a header digest (bytes)",
|
|
|
|
10,
|
|
|
|
&headerDigestSize);
|
|
|
|
prefs_register_uint_preference(iscsi_module,
|
|
|
|
"data_digest_size",
|
|
|
|
"Data digest size",
|
|
|
|
"The size of a data digest (bytes)",
|
|
|
|
10,
|
|
|
|
&dataDigestSize);
|
2001-05-30 18:52:38 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2001-10-21 17:20:10 +00:00
|
|
|
/*
|
|
|
|
* If this dissector uses sub-dissector registration add a
|
|
|
|
* registration routine.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This format is required because a script is used to find these
|
|
|
|
* routines and create the code that calls these routines.
|
|
|
|
*/
|
2001-05-30 18:52:38 +00:00
|
|
|
void
|
|
|
|
proto_reg_handoff_iscsi(void)
|
|
|
|
{
|
|
|
|
heur_dissector_add("tcp", dissect_iscsi, proto_iscsi);
|
|
|
|
}
|