2004-03-25 11:21:07 +00:00
|
|
|
/* packet-sm.c
|
|
|
|
* Routines for Cisco Session Management Protocol dissection
|
|
|
|
* Copyright 2004, Duncan Sargeant <dunc-ethereal@rcpt.to>
|
|
|
|
*
|
2006-05-21 05:12:17 +00:00
|
|
|
* Wireshark - Network traffic analyzer
|
|
|
|
* By Gerald Combs <gerald@wireshark.org>
|
2004-03-25 11:21:07 +00:00
|
|
|
* 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.
|
2010-10-11 19:00:55 +00:00
|
|
|
*
|
2004-03-25 11:21:07 +00:00
|
|
|
* 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.
|
2010-10-11 19:00:55 +00:00
|
|
|
*
|
2004-03-25 11:21:07 +00:00
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
2012-06-28 23:18:38 +00:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
2004-03-25 11:21:07 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* This is basically a glue dissector for the Cisco SM protocol. It sits
|
2012-12-13 09:59:20 +00:00
|
|
|
* between the RUDP and MTP3 layers between SLTs and MGCs.
|
2010-10-11 19:00:55 +00:00
|
|
|
*
|
2012-12-13 09:59:20 +00:00
|
|
|
* A link to an overview of the technology :
|
2004-03-25 11:21:07 +00:00
|
|
|
* http://www.cisco.com/en/US/products/sw/netmgtsw/ps4883/products_installation_and_configuration_guide_chapter09186a008010950a.html
|
|
|
|
* Link showing debugs of the protocol:
|
|
|
|
* http://www.cisco.com/univercd/cc/td/doc/product/access/sc/rel7/omts/omts_apb.htm#30052
|
2012-12-13 09:59:20 +00:00
|
|
|
* Scroll down to Backhaul Debug Event/Cause/Reason Codes:
|
|
|
|
* http://www.cisco.com/en/US/docs/ios-xml/ios/debug/command/s1/db-s2.html#GUID-83B6671D-B86F-4B41-819C-85D14F4AACAE
|
|
|
|
* Free/Opensource implementation:
|
|
|
|
* http://yate.null.ro/websvn/filedetails.php?repname=yate&path=%2Ftrunk%2Fmodules%2Fserver%2Fciscosm.cpp
|
2004-03-25 11:21:07 +00:00
|
|
|
*/
|
|
|
|
|
2012-09-20 02:03:38 +00:00
|
|
|
#include "config.h"
|
2004-03-25 11:21:07 +00:00
|
|
|
|
2012-05-15 19:23:35 +00:00
|
|
|
#include <glib.h>
|
2004-03-25 11:21:07 +00:00
|
|
|
|
|
|
|
#include <epan/packet.h>
|
|
|
|
|
2012-05-15 19:23:35 +00:00
|
|
|
#define MESSAGE_TYPE_START 0
|
|
|
|
#define MESSAGE_TYPE_STOP 1
|
|
|
|
#define MESSAGE_TYPE_ACTIVE 2
|
|
|
|
#define MESSAGE_TYPE_STANDBY 3
|
|
|
|
#define MESSAGE_TYPE_Q_HOLD_INVOKE 4
|
|
|
|
#define MESSAGE_TYPE_Q_HOLD_RESPONSE 5
|
|
|
|
#define MESSAGE_TYPE_Q_RESUME_INVOKE 6
|
|
|
|
#define MESSAGE_TYPE_Q_RESUME_RESPONSE 7
|
|
|
|
#define MESSAGE_TYPE_Q_RESET_INVOKE 8
|
|
|
|
#define MESSAGE_TYPE_Q_RESET_RESPONSE 9
|
|
|
|
#define MESSAGE_TYPE_PDU 0x8000
|
2005-04-04 07:40:07 +00:00
|
|
|
|
2013-03-15 06:26:47 +00:00
|
|
|
void proto_register_sm(void);
|
|
|
|
void proto_reg_handoff_sm(void);
|
|
|
|
|
2010-10-11 19:00:55 +00:00
|
|
|
static const value_string sm_message_type_value[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ MESSAGE_TYPE_START, "Start Message" },
|
|
|
|
{ MESSAGE_TYPE_STOP, "Stop Message" },
|
|
|
|
{ MESSAGE_TYPE_ACTIVE, "Active Message" },
|
|
|
|
{ MESSAGE_TYPE_STANDBY, "Standby Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke Message" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response Message" },
|
|
|
|
{ MESSAGE_TYPE_PDU, "PDU Message" },
|
|
|
|
{ 0, NULL }
|
2005-04-04 07:40:07 +00:00
|
|
|
};
|
|
|
|
|
2010-10-11 19:00:55 +00:00
|
|
|
static const value_string sm_message_type_value_info[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ MESSAGE_TYPE_START, "Start" },
|
|
|
|
{ MESSAGE_TYPE_STOP, "Stop" },
|
|
|
|
{ MESSAGE_TYPE_ACTIVE, "Active" },
|
|
|
|
{ MESSAGE_TYPE_STANDBY, "Standby" },
|
|
|
|
{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke" },
|
|
|
|
{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke" },
|
|
|
|
{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response" },
|
|
|
|
{ MESSAGE_TYPE_PDU, "PDU" },
|
|
|
|
{ 0, NULL }
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_alignment_type[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Unknown (probably linkset was already up)"},
|
|
|
|
{ 0x03, "Emergency alignment"},
|
|
|
|
{ 0x04, "Normal alignment"},
|
|
|
|
{ 0x05, "Power On MTP2"},
|
|
|
|
{ 0x06, "Start MTP2"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_backhaul_reason_code[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Layer management request"},
|
|
|
|
{ 0x01, "SUERM (Signal Unit Error Monitor) failure"},
|
|
|
|
{ 0x02, "Excessively long alignment period"},
|
|
|
|
{ 0x03, "T7 timer expired"},
|
|
|
|
{ 0x04, "Physical interface failure"},
|
|
|
|
{ 0x05, "Two or three invalid BSNs"},
|
|
|
|
{ 0x06, "Two or three invalid FIBs"},
|
|
|
|
{ 0x07, "LSSU (Link Status Signal Unit) condition"},
|
|
|
|
{ 0x13, "SIOs (Service Information Octets) received "
|
|
|
|
"in Link State Control (LSC)"},
|
|
|
|
{ 0x14, "Timer T2 expired waiting for SIO"},
|
|
|
|
{ 0x15, "Timer T3 expired waiting for SIE/SIN "},
|
|
|
|
{ 0x16, "SIO received in initial alignment control (IAC)"},
|
|
|
|
{ 0x17, "Proving period failure"},
|
|
|
|
{ 0x18, "Timer T1 expired waiting for FISU (Fill-In Signal Unit)"},
|
|
|
|
{ 0x19, "SIN received in the in-service state"},
|
|
|
|
{ 0x20, "CTS lost"},
|
|
|
|
{ 0x25, "No resources"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_backhaul_event_code[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Local processor outage"},
|
|
|
|
{ 0x01, "Local processor outage recovered"},
|
|
|
|
{ 0x02, "Entered a congested state"},
|
|
|
|
{ 0x03, "Exited a congested state"},
|
|
|
|
{ 0x04, "Physical layer up"},
|
|
|
|
{ 0x05, "Physical layer down"},
|
|
|
|
{ 0x06, "Protocol error"},
|
|
|
|
{ 0x07, "Link is aligned"},
|
|
|
|
{ 0x08, "Link alignment lost"},
|
|
|
|
{ 0x09, "Retransmit buffer full"},
|
|
|
|
{ 0x0a, "Retransmit buffer no longer full"},
|
|
|
|
{ 0x0b, "Negative acknowledgment"},
|
|
|
|
{ 0x0c, "Remote entered congestion"},
|
|
|
|
{ 0x0d, "Remote exited congestion"},
|
|
|
|
{ 0x0e, "Remote entered processor outage"},
|
|
|
|
{ 0x0f, "Remote exited processor outage"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_backhaul_cause_code[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Unknown (default)"},
|
|
|
|
{ 0x01, "Management initiated"},
|
|
|
|
{ 0x02, "Abnormal BSN (backward sequence number)"},
|
|
|
|
{ 0x03, "Abnormal FIB (Forward Indicator Bit)"},
|
|
|
|
{ 0x04, "Congestion discard"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_linkdown_cause_code[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Unknown (default)"},
|
|
|
|
{ 0x01, "Management initiated"},
|
|
|
|
{ 0x03, "Congestion ended"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_retrieval_type[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x01, "Request for BSN"},
|
|
|
|
{ 0x02, "Request for MSUs"},
|
|
|
|
{ 0x03, "Request to drop MSUs"},
|
|
|
|
{ 0, NULL}
|
2005-04-04 07:40:07 +00:00
|
|
|
};
|
|
|
|
|
2012-12-13 09:59:20 +00:00
|
|
|
static const value_string sm_lsc_state_type[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Set LPO"},
|
|
|
|
{ 0x01, "Clear LPO"},
|
|
|
|
{ 0x02, "Set Emergency"},
|
|
|
|
{ 0x03, "Clear Emergency"},
|
|
|
|
{ 0x04, "Clear Buffers"},
|
|
|
|
{ 0x05, "Clear Transmit Buffer"},
|
|
|
|
{ 0x06, "Clear ReTransmission Buffer"},
|
|
|
|
{ 0x07, "Clear Receive Buffer"},
|
|
|
|
{ 0x08, "Continue"},
|
|
|
|
{ 0x09, "Power On"},
|
|
|
|
{ 0x0a, "Start"},
|
|
|
|
{ 0x0b, "Stop"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static const value_string sm_stat_request_type[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ 0x00, "Reset"},
|
|
|
|
{ 0x01, "Send & Reset"},
|
|
|
|
{ 0x02, "Send"},
|
|
|
|
{ 0, NULL}
|
2012-12-13 09:59:20 +00:00
|
|
|
};
|
2005-04-04 07:40:07 +00:00
|
|
|
|
2013-12-13 00:44:32 +00:00
|
|
|
#define PDU_CONNECT_REQUEST 0x06
|
|
|
|
#define PDU_CONNECT_CONFIRM 0x07
|
|
|
|
#define PDU_DISCONNECT_CONFIRM 0x0b
|
|
|
|
#define PDU_DISCONNECT_INDICATION 0x0c
|
|
|
|
#define PDU_MTP3_TO_SLT 0x10
|
|
|
|
#define PDU_MTP3_FROM_SLT 0x11
|
|
|
|
#define PDU_RETRIEVAL_REQUEST 0x12
|
|
|
|
#define PDU_RETRIEVAL_CONFIRM 0x13
|
|
|
|
#define PDU_LSC_REQUEST 0x20
|
|
|
|
#define PDU_LSC_CONFIRM 0x21
|
|
|
|
#define PDU_LSC_INDICATION 0x22
|
|
|
|
#define PDU_STAT_REQUEST 0x44
|
2005-04-04 07:40:07 +00:00
|
|
|
|
2010-10-11 19:00:55 +00:00
|
|
|
static const value_string sm_pdu_type_value[] = {
|
2013-12-13 00:44:32 +00:00
|
|
|
{ PDU_CONNECT_REQUEST, "Connect Request"},
|
|
|
|
{ PDU_CONNECT_CONFIRM, "Connect Confirm"},
|
|
|
|
{ 0x0a, "Disconnect Request"},
|
|
|
|
{ PDU_DISCONNECT_CONFIRM, "Disconnect Confirm"},
|
|
|
|
{ PDU_DISCONNECT_INDICATION, "Disconnect Indication Message"},
|
|
|
|
{ PDU_MTP3_TO_SLT, "MSU Request (message to MTP2 link)"},
|
|
|
|
{ PDU_MTP3_FROM_SLT, "MSU Indication (message from MTP2 link)"},
|
|
|
|
{ PDU_RETRIEVAL_REQUEST, "Retrieval Request"},
|
|
|
|
{ PDU_RETRIEVAL_CONFIRM, "Retrieval Confirm"},
|
|
|
|
{ 0x14, "Retrieval Indication"},
|
|
|
|
{ 0x15, "Retrieval Message"},
|
|
|
|
{ PDU_LSC_REQUEST, "Link State Controller Request"},
|
|
|
|
{ PDU_LSC_CONFIRM, "Link State Controller Confirm"},
|
|
|
|
{ PDU_LSC_INDICATION, "Link State Controller Indication"},
|
|
|
|
{ 0x40, "Configuration Request"},
|
|
|
|
{ 0x41, "Configuration Confirm"},
|
|
|
|
{ 0x42, "Status Request"},
|
|
|
|
{ 0x43, "Status Confirm"},
|
|
|
|
{ PDU_STAT_REQUEST, "Statistic Request"},
|
|
|
|
{ 0x45, "Statistic Confirm"},
|
|
|
|
{ 0x46, "Control Request"},
|
|
|
|
{ 0x47, "Control Confirm"},
|
|
|
|
{ 0x50, "Flow Control Request"},
|
|
|
|
{ 0x51, "Flow Control Indication"},
|
|
|
|
{ 0, NULL }
|
2005-04-04 07:40:07 +00:00
|
|
|
};
|
|
|
|
|
2007-10-13 21:59:33 +00:00
|
|
|
/* TODO: Change to useful name once known */
|
2012-04-24 08:52:18 +00:00
|
|
|
#define SM_PROTOCOL_X004 0x0004 /* https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7188 */
|
|
|
|
/* RUDP/SM stack called BSM V1 (version 1 versus Version 0 used for SS7). */
|
2008-10-13 12:55:16 +00:00
|
|
|
#define SM_PROTOCOL_X100 0x0100
|
2007-10-13 21:59:33 +00:00
|
|
|
#define SM_PROTOCOL_X101 0x0101
|
|
|
|
#define SM_PROTOCOL_X114 0x0114
|
2008-10-13 12:55:16 +00:00
|
|
|
#define SM_PROTOCOL_X122 0x0122
|
2005-04-04 07:40:07 +00:00
|
|
|
|
|
|
|
|
2004-03-25 11:21:07 +00:00
|
|
|
/* Initialize the protocol and registered fields */
|
|
|
|
static int proto_sm = -1;
|
|
|
|
|
|
|
|
static int hf_sm_sm_msg_type = -1;
|
|
|
|
static int hf_sm_protocol = -1;
|
|
|
|
static int hf_sm_msg_id = -1;
|
|
|
|
static int hf_sm_msg_type = -1;
|
|
|
|
static int hf_sm_channel = -1;
|
|
|
|
static int hf_sm_bearer = -1;
|
|
|
|
static int hf_sm_len = -1;
|
2007-10-13 21:59:33 +00:00
|
|
|
static int hf_sm_ip_addr = -1;
|
2007-11-09 06:01:18 +00:00
|
|
|
static int hf_sm_context = -1;
|
|
|
|
static int hf_sm_eisup_msg_id = -1;
|
2007-10-13 21:59:33 +00:00
|
|
|
static int hf_sm_tag = -1;
|
2012-12-13 09:59:20 +00:00
|
|
|
static int hf_sm_alignment_type = -1;
|
|
|
|
static int hf_sm_backhaul_reason_code = -1;
|
|
|
|
static int hf_sm_backhaul_event_code = -1;
|
|
|
|
static int hf_sm_backhaul_cause_code = -1;
|
|
|
|
static int hf_sm_linkdown_cause_code = -1;
|
|
|
|
static int hf_sm_retrieval_type = -1;
|
|
|
|
static int hf_sm_lsc_state_type = -1;
|
|
|
|
static int hf_sm_stat_request_type = -1;
|
|
|
|
static int hf_sm_bsn_num = -1;
|
2004-03-25 11:21:07 +00:00
|
|
|
|
|
|
|
/* Initialize the subtree pointers */
|
|
|
|
static gint ett_sm = -1;
|
|
|
|
|
2007-10-13 21:59:33 +00:00
|
|
|
static dissector_handle_t sdp_handle;
|
2009-01-05 20:37:04 +00:00
|
|
|
static dissector_handle_t mtp3_handle;
|
2012-04-24 08:52:18 +00:00
|
|
|
static dissector_handle_t q931_handle;
|
2008-10-13 12:55:16 +00:00
|
|
|
static dissector_handle_t data_handle;
|
2007-10-13 21:59:33 +00:00
|
|
|
|
2004-03-25 11:21:07 +00:00
|
|
|
/* Code to actually dissect the packets */
|
|
|
|
static void
|
|
|
|
dissect_sm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
2013-12-13 00:44:32 +00:00
|
|
|
proto_item *ti;
|
|
|
|
proto_tree *sm_tree;
|
|
|
|
tvbuff_t *next_tvb = NULL;
|
|
|
|
guint32 sm_message_type;
|
|
|
|
guint32 bh_event_code = 0;
|
|
|
|
guint16 protocol;
|
|
|
|
guint16 msg_type = 0;
|
|
|
|
guint16 length;
|
|
|
|
guint16 tag;
|
|
|
|
int offset = 0;
|
|
|
|
|
|
|
|
sm_message_type = tvb_get_ntohl(tvb,offset);
|
|
|
|
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SM");
|
|
|
|
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "Cisco SM Packet (%s)",
|
|
|
|
val_to_str_const(sm_message_type, sm_message_type_value_info,"reserved"));
|
|
|
|
|
|
|
|
ti = proto_tree_add_item(tree, proto_sm, tvb, offset, 0, ENC_NA);
|
|
|
|
sm_tree = proto_item_add_subtree(ti, ett_sm);
|
|
|
|
|
|
|
|
proto_tree_add_uint_format_value(sm_tree, hf_sm_sm_msg_type, tvb, offset, 4, sm_message_type,
|
|
|
|
"%s (0x%0x)", val_to_str_const(sm_message_type, sm_message_type_value, "reserved"), sm_message_type);
|
|
|
|
|
|
|
|
offset = offset + 4;
|
|
|
|
if (sm_message_type == MESSAGE_TYPE_PDU) {
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_protocol, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
protocol = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
switch(protocol){
|
|
|
|
/* start case RUDP BSM v.1 ---------------------------------------------------------- */
|
|
|
|
case SM_PROTOCOL_X004:
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +2;
|
|
|
|
msg_type = tvb_get_ntohs(tvb,offset);
|
|
|
|
proto_tree_add_uint_format_value(sm_tree, hf_sm_msg_type, tvb, offset, 2, msg_type,
|
|
|
|
"%s (0x%0x)", val_to_str_const(msg_type, sm_pdu_type_value, "reserved"),
|
|
|
|
msg_type);
|
|
|
|
msg_type = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_channel, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
|
|
|
proto_item_set_len(ti, 16);
|
|
|
|
|
|
|
|
if (length > 0) {
|
2014-06-06 14:35:50 +00:00
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
2013-12-13 00:44:32 +00:00
|
|
|
|
|
|
|
if ((msg_type == PDU_MTP3_TO_SLT || msg_type == PDU_MTP3_FROM_SLT)) {
|
|
|
|
call_dissector(q931_handle, next_tvb, pinfo, tree);
|
|
|
|
} else {
|
|
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
/* end case RUDP BSM v.1 ---------------------------------------------------------- */
|
|
|
|
|
|
|
|
case SM_PROTOCOL_X100:
|
|
|
|
case SM_PROTOCOL_X122:
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
/* Protocol 0x100/0x122 only contains a length and then an EISUP packet */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_item_set_len(ti, 8);
|
|
|
|
|
|
|
|
/* This should be the EISUP dissector but we havent got one
|
|
|
|
* right now - so decode it as data for now ... */
|
2014-06-06 14:35:50 +00:00
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
2013-12-13 00:44:32 +00:00
|
|
|
call_dissector(data_handle, next_tvb, pinfo, sm_tree);
|
|
|
|
|
|
|
|
break;
|
|
|
|
case SM_PROTOCOL_X101:
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
/* XXX Reverse enginered so this may not be correct!!!
|
|
|
|
* EISUP - used between Cisco HSI and Cisco PGW devices,
|
|
|
|
* uses RUDP with default port number 8003.
|
|
|
|
* Protocol stack is RUDP->Cisco SM->SDP.
|
|
|
|
* This implementation is PROPRIETARY
|
|
|
|
*/
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_item_set_len(ti, length + offset);
|
|
|
|
/* The next stuff seems to be IP addr */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 4;
|
|
|
|
/* This part looks to be the same per session */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +4;
|
|
|
|
/* Some sort of message type? */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 1;
|
|
|
|
/* XXX Problem are tags 1 or two bytes???*/
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
|
|
|
|
tag = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
|
|
|
if (tag== 0x01ac) {
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
2014-06-06 14:35:50 +00:00
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
2013-12-13 00:44:32 +00:00
|
|
|
call_dissector(sdp_handle, next_tvb, pinfo, sm_tree);
|
|
|
|
/*offset = offset+length;*/
|
|
|
|
|
|
|
|
}
|
|
|
|
/*return;*/
|
|
|
|
break;
|
|
|
|
case SM_PROTOCOL_X114:
|
|
|
|
if (!tree)
|
|
|
|
return;
|
|
|
|
/* XXX Reverse enginered so this may not be correct!!! */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_item_set_len(ti, length + offset);
|
|
|
|
/* The next stuff seems to be IP addr */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 4;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +4;
|
|
|
|
/* Some sort of message type? */
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 1;
|
|
|
|
/* XXX Problem are tags 1 or two bytes???*/
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
|
|
|
|
tag = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
|
|
|
if (tag== 0x01ac) {
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
2014-06-06 14:35:50 +00:00
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
2013-12-13 00:44:32 +00:00
|
|
|
call_dissector(sdp_handle, next_tvb, pinfo, sm_tree);
|
|
|
|
/*offset = offset+length;*/
|
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +2;
|
|
|
|
msg_type = tvb_get_ntohs(tvb,offset);
|
|
|
|
proto_tree_add_uint_format_value(sm_tree, hf_sm_msg_type, tvb, offset, 2, msg_type,
|
|
|
|
"%s (0x%0x)", val_to_str_const(msg_type, sm_pdu_type_value, "reserved"),
|
|
|
|
msg_type);
|
|
|
|
msg_type = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_channel, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset +2;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
length = tvb_get_ntohs(tvb,offset);
|
|
|
|
offset = offset +2;
|
|
|
|
proto_item_set_len(ti, 16);
|
|
|
|
|
|
|
|
if (length > 0) {
|
2014-06-06 14:35:50 +00:00
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
2013-12-13 00:44:32 +00:00
|
|
|
|
|
|
|
switch (msg_type) {
|
|
|
|
case PDU_MTP3_TO_SLT:
|
|
|
|
case PDU_MTP3_FROM_SLT:
|
|
|
|
call_dissector(mtp3_handle, next_tvb, pinfo, tree);
|
|
|
|
break;
|
|
|
|
case PDU_CONNECT_REQUEST:
|
|
|
|
case PDU_CONNECT_CONFIRM:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_alignment_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
case PDU_DISCONNECT_CONFIRM:
|
|
|
|
case PDU_DISCONNECT_INDICATION:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_backhaul_reason_code, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
case PDU_RETRIEVAL_REQUEST:
|
|
|
|
case PDU_RETRIEVAL_CONFIRM:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_retrieval_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
if (msg_type == PDU_RETRIEVAL_CONFIRM && tvb_get_ntohl(tvb,offset) == 0x01) {
|
|
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_bsn_num, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case PDU_LSC_REQUEST:
|
|
|
|
case PDU_LSC_CONFIRM:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_lsc_state_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
case PDU_LSC_INDICATION:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_backhaul_event_code, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
bh_event_code = tvb_get_ntohl(tvb,offset);
|
|
|
|
if (bh_event_code == 0x02 || bh_event_code == 0x04) {
|
|
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_linkdown_cause_code, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
} else if (bh_event_code == 0x06) {
|
|
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_backhaul_cause_code, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case PDU_STAT_REQUEST:
|
|
|
|
proto_tree_add_item(sm_tree, hf_sm_stat_request_type, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
call_dissector(data_handle, next_tvb, pinfo, tree);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2004-03-25 11:21:07 +00:00
|
|
|
}
|
|
|
|
|
2004-04-25 11:14:01 +00:00
|
|
|
void
|
|
|
|
proto_register_sm(void)
|
2010-10-11 19:00:55 +00:00
|
|
|
{
|
2013-12-13 00:44:32 +00:00
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{ &hf_sm_sm_msg_type,
|
|
|
|
{ "SM Message Type", "sm.sm_msg_type",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_protocol,
|
|
|
|
{ "Protocol Type", "sm.protocol",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_msg_id,
|
|
|
|
{ "Message ID", "sm.msgid",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_msg_type,
|
|
|
|
{ "Message Type", "sm.msg_type",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_channel,
|
|
|
|
{ "Channel ID", "sm.channel",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_bearer,
|
|
|
|
{ "Bearer ID", "sm.bearer",
|
|
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_len,
|
|
|
|
{ "Length", "sm.len",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_ip_addr,
|
|
|
|
{ "IPv4 address","sm.ip_addr",
|
|
|
|
FT_IPv4,BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_context,
|
|
|
|
{ "Context","sm.context",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
"Context(guesswork!)", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_eisup_msg_id,
|
|
|
|
{ "Message id","sm.eisup_message_id",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
"Message id(guesswork!)", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_tag,
|
|
|
|
{ "Tag","sm.tag",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
"Tag(guesswork!)", HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_alignment_type,
|
|
|
|
{ "Alignment type","sm.connect_type",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_alignment_type), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_backhaul_reason_code,
|
|
|
|
{ "Backhaul reason code","sm.backhaul_reason",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_backhaul_reason_code), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_backhaul_event_code,
|
|
|
|
{ "Backhaul event code","sm.backhaul_event",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_backhaul_event_code), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_backhaul_cause_code,
|
|
|
|
{ "Backhaul cause code","sm.backhaul_cause",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_backhaul_cause_code), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_linkdown_cause_code,
|
|
|
|
{ "Link down cause","sm.linkdown_reason",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_linkdown_cause_code), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
|
|
|
|
{ &hf_sm_retrieval_type,
|
|
|
|
{ "Retrieval type","sm.retrieval_type",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_retrieval_type), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_lsc_state_type,
|
|
|
|
{ "LSC Request type","sm.lsc_state_type",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_lsc_state_type), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_stat_request_type,
|
|
|
|
{ "Statistic request type","sm.stat_request_type",
|
|
|
|
FT_UINT32, BASE_HEX, VALS(sm_stat_request_type), 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sm_bsn_num,
|
|
|
|
{ "BSN","sm.bsn_num",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
|
|
|
|
};
|
2004-03-25 11:21:07 +00:00
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
2013-12-13 00:44:32 +00:00
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_sm,
|
|
|
|
};
|
2004-03-25 11:21:07 +00:00
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
2013-12-13 00:44:32 +00:00
|
|
|
proto_sm = proto_register_protocol("Cisco Session Management",
|
|
|
|
"SM", "sm");
|
2004-03-25 11:21:07 +00:00
|
|
|
|
2013-12-13 00:44:32 +00:00
|
|
|
register_dissector("sm", dissect_sm, proto_sm);
|
2004-03-25 11:21:07 +00:00
|
|
|
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
2013-12-13 00:44:32 +00:00
|
|
|
proto_register_field_array(proto_sm, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2004-03-25 11:21:07 +00:00
|
|
|
}
|
2010-10-11 19:00:55 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
proto_reg_handoff_sm(void)
|
|
|
|
{
|
2013-12-13 00:44:32 +00:00
|
|
|
sdp_handle = find_dissector("sdp");
|
|
|
|
mtp3_handle = find_dissector("mtp3");
|
|
|
|
q931_handle = find_dissector("q931");
|
|
|
|
data_handle = find_dissector("data");
|
2010-10-11 19:00:55 +00:00
|
|
|
}
|
|
|
|
|
2012-12-13 09:59:20 +00:00
|
|
|
/*
|
|
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
|
|
*
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 4
|
2013-12-13 00:44:32 +00:00
|
|
|
* tab-width: 8
|
|
|
|
* indent-tabs-mode: nil
|
2012-12-13 09:59:20 +00:00
|
|
|
* End:
|
|
|
|
*
|
|
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
2013-12-13 00:44:32 +00:00
|
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
2012-12-13 09:59:20 +00:00
|
|
|
*/
|