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wireshark/packet-mq-pcf.c

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/* packet-mq-pcf.c
* Routines for IBM WebSphere MQ PCF packet dissection
*
* metatech <metatech@flashmail.com>
*
* $Id: packet-mq-pcf.c,v 1.1 2004/05/01 21:18:09 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* MQ PCF in a nutshell
*
* The MQ Programmable Command Formats API allows remotely configuring a queue manager.
*
* MQ PCF documentation is called "WebSphere MQ Programmable Command Formats and Administration Interface"
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/conversation.h>
#include "packet-mq.h"
static int proto_mqpcf = -1;
static int hf_mqpcf_cfh_type = -1;
static int hf_mqpcf_cfh_length = -1;
static int hf_mqpcf_cfh_version = -1;
static int hf_mqpcf_cfh_command = -1;
static int hf_mqpcf_cfh_msgseqnumber = -1;
static int hf_mqpcf_cfh_control = -1;
static int hf_mqpcf_cfh_compcode = -1;
static int hf_mqpcf_cfh_reason = -1;
static int hf_mqpcf_cfh_paramcount = -1;
static gint ett_mqpcf = -1;
static gint ett_mqpcf_cfh = -1;
#define MQ_FMT_ADMIN "MQADMIN "
#define MQ_FMT_EVENT "MQEVENT "
#define MQ_FMT_PCF "MQPCF "
#define MQ_ENC_INTEGER_NORMAL 0x00000001
#define MQ_ENC_INTEGER_REVERSED 0x00000002
#define MQ_CMD_NONE 0
#define MQ_CMD_CHANGE_Q_MGR 1
#define MQ_CMD_INQUIRE_Q_MGR 2
#define MQ_CMD_CHANGE_PROCESS 3
#define MQ_CMD_COPY_PROCESS 4
#define MQ_CMD_CREATE_PROCESS 5
#define MQ_CMD_DELETE_PROCESS 6
#define MQ_CMD_INQUIRE_PROCESS 7
#define MQ_CMD_CHANGE_Q 8
#define MQ_CMD_CLEAR_Q 9
#define MQ_CMD_COPY_Q 10
#define MQ_CMD_CREATE_Q 11
#define MQ_CMD_DELETE_Q 12
#define MQ_CMD_INQUIRE_Q 13
#define MQ_CMD_RESET_Q_STATS 17
#define MQ_CMD_INQUIRE_Q_NAMES 18
#define MQ_CMD_INQUIRE_PROCESS_NAMES 19
#define MQ_CMD_INQUIRE_CHANNEL_NAMES 20
#define MQ_CMD_CHANGE_CHANNEL 21
#define MQ_CMD_COPY_CHANNEL 22
#define MQ_CMD_CREATE_CHANNEL 23
#define MQ_CMD_DELETE_CHANNEL 24
#define MQ_CMD_INQUIRE_CHANNEL 25
#define MQ_CMD_PING_CHANNEL 26
#define MQ_CMD_RESET_CHANNEL 27
#define MQ_CMD_START_CHANNEL 28
#define MQ_CMD_STOP_CHANNEL 29
#define MQ_CMD_START_CHANNEL_INIT 30
#define MQ_CMD_START_CHANNEL_LISTENER 31
#define MQ_CMD_CHANGE_NAMELIST 32
#define MQ_CMD_COPY_NAMELIST 33
#define MQ_CMD_CREATE_NAMELIST 34
#define MQ_CMD_DELETE_NAMELIST 35
#define MQ_CMD_INQUIRE_NAMELIST 36
#define MQ_CMD_INQUIRE_NAMELIST_NAMES 37
#define MQ_CMD_ESCAPE 38
#define MQ_CMD_RESOLVE_CHANNEL 39
#define MQ_CMD_PING_Q_MGR 40
#define MQ_CMD_INQUIRE_Q_STATUS 41
#define MQ_CMD_INQUIRE_CHANNEL_STATUS 42
#define MQ_CMD_CONFIG_EVENT 43
#define MQ_CMD_Q_MGR_EVENT 44
#define MQ_CMD_PERFM_EVENT 45
#define MQ_CMD_CHANNEL_EVENT 46
#define MQ_CMD_DELETE_PUBLICATION 60
#define MQ_CMD_DEREGISTER_PUBLISHER 61
#define MQ_CMD_DEREGISTER_SUBSCRIBER 62
#define MQ_CMD_PUBLISH 63
#define MQ_CMD_REGISTER_PUBLISHER 64
#define MQ_CMD_REGISTER_SUBSCRIBER 65
#define MQ_CMD_REQUEST_UPDATE 66
#define MQ_CMD_BROKER_INTERNAL 67
#define MQ_CMD_INQUIRE_CLUSTER_Q_MGR 70
#define MQ_CMD_RESUME_Q_MGR_CLUSTER 71
#define MQ_CMD_SUSPEND_Q_MGR_CLUSTER 72
#define MQ_CMD_REFRESH_CLUSTER 73
#define MQ_CMD_RESET_CLUSTER 74
#define MQ_CMD_REFRESH_SECURITY 78
#define MQ_CMD_CHANGE_AUTH_INFO 79
#define MQ_CMD_COPY_AUTH_INFO 80
#define MQ_CMD_CREATE_AUTH_INFO 81
#define MQ_CMD_DELETE_AUTH_INFO 82
#define MQ_CMD_INQUIRE_AUTH_INFO 83
#define MQ_CMD_INQUIRE_AUTH_INFO_NAMES 84
#define MQ_TEXT_CFH "MQ Command Format Header"
static const value_string mqpcf_opcode_vals[] = {
{ MQ_CMD_NONE, "NONE" },
{ MQ_CMD_CHANGE_Q_MGR, "CHANGE_Q_MGR" },
{ MQ_CMD_INQUIRE_Q_MGR, "INQUIRE_Q_MGR" },
{ MQ_CMD_CHANGE_PROCESS, "CHANGE_PROCESS" },
{ MQ_CMD_COPY_PROCESS, "COPY_PROCESS" },
{ MQ_CMD_CREATE_PROCESS, "CREATE_PROCESS" },
{ MQ_CMD_DELETE_PROCESS, "DELETE_PROCESS" },
{ MQ_CMD_INQUIRE_PROCESS, "INQUIRE_PROCESS" },
{ MQ_CMD_CHANGE_Q, "CHANGE_Q" },
{ MQ_CMD_CLEAR_Q, "CLEAR_Q" },
{ MQ_CMD_COPY_Q, "COPY_Q" },
{ MQ_CMD_CREATE_Q, "CREATE_Q" },
{ MQ_CMD_DELETE_Q, "DELETE_Q" },
{ MQ_CMD_INQUIRE_Q, "INQUIRE_Q" },
{ MQ_CMD_RESET_Q_STATS, "RESET_Q_STATS" },
{ MQ_CMD_INQUIRE_Q_NAMES, "INQUIRE_Q_NAMES" },
{ MQ_CMD_INQUIRE_PROCESS_NAMES, "INQUIRE_PROCESS_NAMES" },
{ MQ_CMD_INQUIRE_CHANNEL_NAMES, "INQUIRE_CHANNEL_NAMES" },
{ MQ_CMD_CHANGE_CHANNEL, "CHANGE_CHANNEL" },
{ MQ_CMD_COPY_CHANNEL, "COPY_CHANNEL" },
{ MQ_CMD_CREATE_CHANNEL, "CREATE_CHANNEL" },
{ MQ_CMD_DELETE_CHANNEL, "DELETE_CHANNEL" },
{ MQ_CMD_INQUIRE_CHANNEL, "INQUIRE_CHANNEL" },
{ MQ_CMD_PING_CHANNEL, "PING_CHANNEL" },
{ MQ_CMD_RESET_CHANNEL, "RESET_CHANNEL" },
{ MQ_CMD_START_CHANNEL, "START_CHANNEL" },
{ MQ_CMD_STOP_CHANNEL, "STOP_CHANNEL" },
{ MQ_CMD_START_CHANNEL_INIT, "START_CHANNEL_INIT" },
{ MQ_CMD_START_CHANNEL_LISTENER, "START_CHANNEL_LISTENER" },
{ MQ_CMD_CHANGE_NAMELIST, "CHANGE_NAMELIST" },
{ MQ_CMD_CREATE_NAMELIST, "CREATE_NAMELIST" },
{ MQ_CMD_DELETE_NAMELIST, "DELETE_NAMELIST" },
{ MQ_CMD_INQUIRE_NAMELIST, "INQUIRE_NAMELIST" },
{ MQ_CMD_INQUIRE_NAMELIST_NAMES, "INQUIRE_NAMELIST_NAMES" },
{ MQ_CMD_ESCAPE, "ESCAPE" },
{ MQ_CMD_RESOLVE_CHANNEL, "RESOLVE_CHANNEL" },
{ MQ_CMD_PING_Q_MGR, "PING_Q_MGR" },
{ MQ_CMD_INQUIRE_Q_STATUS, "INQUIRE_Q_STATUS" },
{ MQ_CMD_INQUIRE_CHANNEL_STATUS, "INQUIRE_CHANNEL_STATUS" },
{ MQ_CMD_CONFIG_EVENT, "CONFIG_EVENT" },
{ MQ_CMD_Q_MGR_EVENT, "Q_MGR_EVENT" },
{ MQ_CMD_PERFM_EVENT, "PERFM_EVENT" },
{ MQ_CMD_CHANNEL_EVENT, "CHANNEL_EVENT" },
{ MQ_CMD_DELETE_PUBLICATION, "DELETE_PUBLICATION" },
{ MQ_CMD_DEREGISTER_PUBLISHER, "DEREGISTER_PUBLISHER" },
{ MQ_CMD_DEREGISTER_SUBSCRIBER, "DEREGISTER_SUBSCRIBER" },
{ MQ_CMD_PUBLISH, "PUBLISH" },
{ MQ_CMD_REGISTER_PUBLISHER, "REGISTER_PUBLISHER" },
{ MQ_CMD_REGISTER_SUBSCRIBER, "REGISTER_SUBSCRIBER" },
{ MQ_CMD_REQUEST_UPDATE, "REQUEST_UPDATE" },
{ MQ_CMD_BROKER_INTERNAL, "BROKER_INTERNAL" },
{ MQ_CMD_INQUIRE_CLUSTER_Q_MGR, "INQUIRE_CLUSTER_Q_MGR" },
{ MQ_CMD_RESUME_Q_MGR_CLUSTER, "RESUME_Q_MGR_CLUSTER" },
{ MQ_CMD_SUSPEND_Q_MGR_CLUSTER, "SUSPEND_Q_MGR_CLUSTER" },
{ MQ_CMD_REFRESH_CLUSTER, "REFRESH_CLUSTER" },
{ MQ_CMD_REFRESH_SECURITY, "REFRESH_SECURITY" },
{ MQ_CMD_CHANGE_AUTH_INFO, "CHANGE_AUTH_INFO" },
{ MQ_CMD_COPY_AUTH_INFO, "COPY_AUTH_INFO" },
{ MQ_CMD_CREATE_AUTH_INFO, "CREATE_AUTH_INFO" },
{ MQ_CMD_DELETE_AUTH_INFO, "DELETE_AUTH_INFO" },
{ MQ_CMD_INQUIRE_AUTH_INFO, "INQUIRE_AUTH_INFO" },
{ MQ_CMD_INQUIRE_AUTH_INFO_NAMES, "INQUIRE_AUTH_INFO_NAMES" },
{ 0, NULL }
};
static guint32 tvb_get_guint32_endian(tvbuff_t *a_tvb, gint a_iOffset, gboolean a_bLittleEndian)
{
guint32 iResult;
if (a_bLittleEndian)
iResult = tvb_get_letohl(a_tvb, a_iOffset);
else
iResult = tvb_get_ntohl(a_tvb, a_iOffset);
return iResult;
}
static void
dissect_mqpcf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_tree *mq_tree = NULL;
proto_tree *mqroot_tree = NULL;
proto_item *ti = NULL;
gint offset = 0;
struct mqinfo* mqinfo = pinfo->private_data;
gboolean bLittleEndian;
bLittleEndian = ((mqinfo->encoding & MQ_ENC_INTEGER_REVERSED) != 0) ? TRUE : FALSE;
if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "MQ PCF");
if (check_col(pinfo->cinfo, COL_INFO)) col_clear(pinfo->cinfo, COL_INFO);
if (tvb_length(tvb) >= 36)
{
gint iSizeMQCFH = 36;
guint32 iCommand = tvb_get_guint32_endian(tvb, offset + 12, bLittleEndian);
if (check_col(pinfo->cinfo, COL_INFO))
{
col_append_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str(iCommand, mqpcf_opcode_vals, "Unknown (0x%02x)"));
}
if (tree)
{
ti = proto_tree_add_item(tree, proto_mqpcf, tvb, offset, -1, FALSE);
proto_item_append_text(ti, " (%s)", val_to_str(iCommand, mqpcf_opcode_vals, "Unknown (0x%02x)"));
mqroot_tree = proto_item_add_subtree(ti, ett_mqpcf);
ti = proto_tree_add_text(mqroot_tree, tvb, offset, iSizeMQCFH, MQ_TEXT_CFH);
mq_tree = proto_item_add_subtree(ti, ett_mqpcf_cfh);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_type, tvb, offset + 0, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_length, tvb, offset + 4, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_version, tvb, offset + 8, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_command, tvb, offset + 12, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_msgseqnumber, tvb, offset + 16, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_control, tvb, offset + 20, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_compcode, tvb, offset + 24, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_reason, tvb, offset + 28, 4, bLittleEndian);
proto_tree_add_item(mq_tree, hf_mqpcf_cfh_paramcount, tvb, offset + 32, 4, bLittleEndian);
}
offset += iSizeMQCFH;
}
}
static gboolean
dissect_mqpcf_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
if (tvb_length(tvb) >= 36)
{
struct mqinfo* mqinfo = pinfo->private_data;
if (strncmp((const char*)mqinfo->format, MQ_FMT_ADMIN, 8) == 0
|| strncmp((const char*)mqinfo->format, MQ_FMT_EVENT, 8) == 0
|| strncmp((const char*)mqinfo->format, MQ_FMT_PCF, 8) == 0)
{
/* Dissect the packet */
dissect_mqpcf(tvb, pinfo, tree);
return TRUE;
}
}
return FALSE;
}
void
proto_register_mqpcf(void)
{
static hf_register_info hf[] = {
{ &hf_mqpcf_cfh_type,
{ "Type", "mqpcf.cfh.type", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH type", HFILL }},
{ &hf_mqpcf_cfh_length,
{ "Length", "mqpcf.cfh.length", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH length", HFILL }},
{ &hf_mqpcf_cfh_version,
{ "Version", "mqpcf.cfh.version", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH version", HFILL }},
{ &hf_mqpcf_cfh_command,
{ "Command", "mqpcf.cfh.command", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH command", HFILL }},
{ &hf_mqpcf_cfh_msgseqnumber,
{ "Message sequence number", "mqpcf.cfh.msgseqnumber", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH message sequence number", HFILL }},
{ &hf_mqpcf_cfh_control,
{ "Control", "mqpcf.cfh.control", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH control", HFILL }},
{ &hf_mqpcf_cfh_compcode,
{ "Completion code", "mqpcf.cfh.compcode", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH completion code", HFILL }},
{ &hf_mqpcf_cfh_reason,
{ "Reason code", "mqpcf.cfh.reasoncode", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH reason code", HFILL }},
{ &hf_mqpcf_cfh_paramcount,
{ "Parameter count", "mqpcf.cfh.paramcount", FT_UINT32, BASE_DEC, NULL, 0x0, "CFH parameter count", HFILL }}
};
static gint *ett[] = {
&ett_mqpcf,
&ett_mqpcf_cfh,
};
proto_mqpcf = proto_register_protocol("WebSphere MQ Programmable Command Formats", "MQ PCF", "mqpcf");
proto_register_field_array(proto_mqpcf, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_mqpcf(void)
{
heur_dissector_add("mq", dissect_mqpcf_heur, proto_mqpcf);
}
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