forked from osmocom/wireshark
![Dario Lombardo](/assets/img/avatar_default.png)
Change-Id: I92c94448e6641716d03158a5f332c8b53709423a Reviewed-on: https://code.wireshark.org/review/25756 Petri-Dish: Dario Lombardo <lomato@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
612 lines
24 KiB
C
612 lines
24 KiB
C
/* packet-sm.c
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* Routines for Cisco Session Management Protocol dissection
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* Copyright 2004, Duncan Sargeant <dunc-ethereal@rcpt.to>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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* This is basically a glue dissector for the Cisco SM protocol. It sits
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* between the RUDP and MTP3 layers between SLTs and MGCs.
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*
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* A link to an overview of the technology :
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* http://www.cisco.com/en/US/products/sw/netmgtsw/ps4883/products_installation_and_configuration_guide_chapter09186a008010950a.html
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* Link showing debugs of the protocol:
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* http://www.cisco.com/univercd/cc/td/doc/product/access/sc/rel7/omts/omts_apb.htm#30052
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* Scroll down to Backhaul Debug Event/Cause/Reason Codes:
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* http://www.cisco.com/en/US/docs/ios-xml/ios/debug/command/s1/db-s2.html#GUID-83B6671D-B86F-4B41-819C-85D14F4AACAE
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* Free/Opensource implementation:
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* http://yate.null.ro/websvn/filedetails.php?repname=yate&path=%2Ftrunk%2Fmodules%2Fserver%2Fciscosm.cpp
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*/
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#include "config.h"
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#include <epan/packet.h>
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#define MESSAGE_TYPE_START 0
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#define MESSAGE_TYPE_STOP 1
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#define MESSAGE_TYPE_ACTIVE 2
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#define MESSAGE_TYPE_STANDBY 3
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#define MESSAGE_TYPE_Q_HOLD_INVOKE 4
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#define MESSAGE_TYPE_Q_HOLD_RESPONSE 5
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#define MESSAGE_TYPE_Q_RESUME_INVOKE 6
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#define MESSAGE_TYPE_Q_RESUME_RESPONSE 7
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#define MESSAGE_TYPE_Q_RESET_INVOKE 8
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#define MESSAGE_TYPE_Q_RESET_RESPONSE 9
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#define MESSAGE_TYPE_PDU 0x8000
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void proto_register_sm(void);
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void proto_reg_handoff_sm(void);
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static const value_string sm_message_type_value[] = {
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{ MESSAGE_TYPE_START, "Start Message" },
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{ MESSAGE_TYPE_STOP, "Stop Message" },
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{ MESSAGE_TYPE_ACTIVE, "Active Message" },
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{ MESSAGE_TYPE_STANDBY, "Standby Message" },
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{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke Message" },
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{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response Message" },
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{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke Message" },
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{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response Message" },
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{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke Message" },
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{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response Message" },
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{ MESSAGE_TYPE_PDU, "PDU Message" },
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{ 0, NULL }
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};
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static const value_string sm_message_type_value_info[] = {
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{ MESSAGE_TYPE_START, "Start" },
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{ MESSAGE_TYPE_STOP, "Stop" },
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{ MESSAGE_TYPE_ACTIVE, "Active" },
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{ MESSAGE_TYPE_STANDBY, "Standby" },
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{ MESSAGE_TYPE_Q_HOLD_INVOKE, "Q_HOLD Invoke" },
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{ MESSAGE_TYPE_Q_HOLD_RESPONSE, "Q_HOLD Response" },
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{ MESSAGE_TYPE_Q_RESUME_INVOKE, "Q_RESUME Invoke" },
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{ MESSAGE_TYPE_Q_RESUME_RESPONSE, "Q_RESUME Response" },
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{ MESSAGE_TYPE_Q_RESET_INVOKE, "Q_RESET Invoke" },
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{ MESSAGE_TYPE_Q_RESET_RESPONSE, "Q_RESET Response" },
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{ MESSAGE_TYPE_PDU, "PDU" },
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{ 0, NULL }
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};
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static const value_string sm_alignment_type[] = {
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{ 0x00, "Unknown (probably linkset was already up)"},
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{ 0x03, "Emergency alignment"},
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{ 0x04, "Normal alignment"},
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{ 0x05, "Power On MTP2"},
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{ 0x06, "Start MTP2"},
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{ 0, NULL}
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};
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static const value_string sm_backhaul_reason_code[] = {
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{ 0x00, "Layer management request"},
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{ 0x01, "SUERM (Signal Unit Error Monitor) failure"},
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{ 0x02, "Excessively long alignment period"},
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{ 0x03, "T7 timer expired"},
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{ 0x04, "Physical interface failure"},
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{ 0x05, "Two or three invalid BSNs"},
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{ 0x06, "Two or three invalid FIBs"},
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{ 0x07, "LSSU (Link Status Signal Unit) condition"},
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{ 0x13, "SIOs (Service Information Octets) received "
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"in Link State Control (LSC)"},
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{ 0x14, "Timer T2 expired waiting for SIO"},
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{ 0x15, "Timer T3 expired waiting for SIE/SIN "},
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{ 0x16, "SIO received in initial alignment control (IAC)"},
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{ 0x17, "Proving period failure"},
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{ 0x18, "Timer T1 expired waiting for FISU (Fill-In Signal Unit)"},
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{ 0x19, "SIN received in the in-service state"},
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{ 0x20, "CTS lost"},
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{ 0x25, "No resources"},
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{ 0, NULL}
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};
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static const value_string sm_backhaul_event_code[] = {
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{ 0x00, "Local processor outage"},
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{ 0x01, "Local processor outage recovered"},
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{ 0x02, "Entered a congested state"},
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{ 0x03, "Exited a congested state"},
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{ 0x04, "Physical layer up"},
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{ 0x05, "Physical layer down"},
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{ 0x06, "Protocol error"},
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{ 0x07, "Link is aligned"},
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{ 0x08, "Link alignment lost"},
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{ 0x09, "Retransmit buffer full"},
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{ 0x0a, "Retransmit buffer no longer full"},
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{ 0x0b, "Negative acknowledgment"},
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{ 0x0c, "Remote entered congestion"},
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{ 0x0d, "Remote exited congestion"},
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{ 0x0e, "Remote entered processor outage"},
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{ 0x0f, "Remote exited processor outage"},
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{ 0, NULL}
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};
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static const value_string sm_backhaul_cause_code[] = {
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{ 0x00, "Unknown (default)"},
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{ 0x01, "Management initiated"},
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{ 0x02, "Abnormal BSN (backward sequence number)"},
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{ 0x03, "Abnormal FIB (Forward Indicator Bit)"},
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{ 0x04, "Congestion discard"},
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{ 0, NULL}
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};
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static const value_string sm_linkdown_cause_code[] = {
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{ 0x00, "Unknown (default)"},
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{ 0x01, "Management initiated"},
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{ 0x03, "Congestion ended"},
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{ 0, NULL}
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};
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static const value_string sm_retrieval_type[] = {
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{ 0x01, "Request for BSN"},
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{ 0x02, "Request for MSUs"},
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{ 0x03, "Request to drop MSUs"},
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{ 0, NULL}
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};
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static const value_string sm_lsc_state_type[] = {
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{ 0x00, "Set LPO"},
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{ 0x01, "Clear LPO"},
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{ 0x02, "Set Emergency"},
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{ 0x03, "Clear Emergency"},
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{ 0x04, "Clear Buffers"},
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{ 0x05, "Clear Transmit Buffer"},
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{ 0x06, "Clear ReTransmission Buffer"},
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{ 0x07, "Clear Receive Buffer"},
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{ 0x08, "Continue"},
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{ 0x09, "Power On"},
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{ 0x0a, "Start"},
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{ 0x0b, "Stop"},
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{ 0, NULL}
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};
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static const value_string sm_stat_request_type[] = {
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{ 0x00, "Reset"},
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{ 0x01, "Send & Reset"},
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{ 0x02, "Send"},
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{ 0, NULL}
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};
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#define PDU_CONNECT_REQUEST 0x06
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#define PDU_CONNECT_CONFIRM 0x07
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#define PDU_DISCONNECT_CONFIRM 0x0b
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#define PDU_DISCONNECT_INDICATION 0x0c
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#define PDU_MTP3_TO_SLT 0x10
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#define PDU_MTP3_FROM_SLT 0x11
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#define PDU_RETRIEVAL_REQUEST 0x12
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#define PDU_RETRIEVAL_CONFIRM 0x13
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#define PDU_LSC_REQUEST 0x20
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#define PDU_LSC_CONFIRM 0x21
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#define PDU_LSC_INDICATION 0x22
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#define PDU_STAT_REQUEST 0x44
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static const value_string sm_pdu_type_value[] = {
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{ PDU_CONNECT_REQUEST, "Connect Request"},
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{ PDU_CONNECT_CONFIRM, "Connect Confirm"},
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{ 0x0a, "Disconnect Request"},
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{ PDU_DISCONNECT_CONFIRM, "Disconnect Confirm"},
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{ PDU_DISCONNECT_INDICATION, "Disconnect Indication Message"},
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{ PDU_MTP3_TO_SLT, "MSU Request (message to MTP2 link)"},
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{ PDU_MTP3_FROM_SLT, "MSU Indication (message from MTP2 link)"},
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{ PDU_RETRIEVAL_REQUEST, "Retrieval Request"},
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{ PDU_RETRIEVAL_CONFIRM, "Retrieval Confirm"},
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{ 0x14, "Retrieval Indication"},
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{ 0x15, "Retrieval Message"},
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{ PDU_LSC_REQUEST, "Link State Controller Request"},
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{ PDU_LSC_CONFIRM, "Link State Controller Confirm"},
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{ PDU_LSC_INDICATION, "Link State Controller Indication"},
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{ 0x40, "Configuration Request"},
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{ 0x41, "Configuration Confirm"},
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{ 0x42, "Status Request"},
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{ 0x43, "Status Confirm"},
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{ PDU_STAT_REQUEST, "Statistic Request"},
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{ 0x45, "Statistic Confirm"},
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{ 0x46, "Control Request"},
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{ 0x47, "Control Confirm"},
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{ 0x50, "Flow Control Request"},
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{ 0x51, "Flow Control Indication"},
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{ 0, NULL }
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};
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/* TODO: Change to useful name once known */
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#define SM_PROTOCOL_X004 0x0004 /* https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7188 */
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/* RUDP/SM stack called BSM V1 (version 1 versus Version 0 used for SS7). */
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#define SM_PROTOCOL_X100 0x0100
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#define SM_PROTOCOL_X101 0x0101
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#define SM_PROTOCOL_X114 0x0114
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#define SM_PROTOCOL_X122 0x0122
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/* Initialize the protocol and registered fields */
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static int proto_sm = -1;
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static int hf_sm_sm_msg_type = -1;
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static int hf_sm_protocol = -1;
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static int hf_sm_msg_id = -1;
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static int hf_sm_msg_type = -1;
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static int hf_sm_channel = -1;
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static int hf_sm_bearer = -1;
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static int hf_sm_len = -1;
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static int hf_sm_ip_addr = -1;
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static int hf_sm_context = -1;
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static int hf_sm_eisup_msg_id = -1;
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static int hf_sm_tag = -1;
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static int hf_sm_alignment_type = -1;
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static int hf_sm_backhaul_reason_code = -1;
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static int hf_sm_backhaul_event_code = -1;
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static int hf_sm_backhaul_cause_code = -1;
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static int hf_sm_linkdown_cause_code = -1;
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static int hf_sm_retrieval_type = -1;
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static int hf_sm_lsc_state_type = -1;
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static int hf_sm_stat_request_type = -1;
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static int hf_sm_bsn_num = -1;
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/* Initialize the subtree pointers */
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static gint ett_sm = -1;
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static dissector_handle_t sdp_handle;
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static dissector_handle_t mtp3_handle;
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static dissector_handle_t q931_handle;
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/* Code to actually dissect the packets */
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static int
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dissect_sm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_item *ti;
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proto_tree *sm_tree;
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tvbuff_t *next_tvb = NULL;
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guint32 sm_message_type;
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guint32 bh_event_code = 0;
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guint16 protocol;
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guint16 msg_type = 0;
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guint16 length;
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guint16 tag;
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int offset = 0;
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sm_message_type = tvb_get_ntohl(tvb,offset);
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "SM");
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col_add_fstr(pinfo->cinfo, COL_INFO, "Cisco SM Packet (%s)",
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val_to_str_const(sm_message_type, sm_message_type_value_info,"reserved"));
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ti = proto_tree_add_item(tree, proto_sm, tvb, offset, 0, ENC_NA);
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sm_tree = proto_item_add_subtree(ti, ett_sm);
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proto_tree_add_uint_format_value(sm_tree, hf_sm_sm_msg_type, tvb, offset, 4, sm_message_type,
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"%s (0x%0x)", val_to_str_const(sm_message_type, sm_message_type_value, "reserved"), sm_message_type);
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offset = offset + 4;
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if (sm_message_type == MESSAGE_TYPE_PDU) {
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proto_tree_add_item(sm_tree, hf_sm_protocol, tvb, offset, 2, ENC_BIG_ENDIAN);
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protocol = tvb_get_ntohs(tvb,offset);
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offset = offset + 2;
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switch(protocol){
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/* start case RUDP BSM v.1 ---------------------------------------------------------- */
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case SM_PROTOCOL_X004:
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proto_tree_add_item(sm_tree, hf_sm_msg_id, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset = offset +2;
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msg_type = tvb_get_ntohs(tvb,offset);
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proto_tree_add_uint_format_value(sm_tree, hf_sm_msg_type, tvb, offset, 2, msg_type,
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"%s (0x%0x)", val_to_str_const(msg_type, sm_pdu_type_value, "reserved"),
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msg_type);
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msg_type = tvb_get_ntohs(tvb,offset);
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offset = offset + 2;
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proto_tree_add_item(sm_tree, hf_sm_channel, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset = offset + 2;
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proto_tree_add_item(sm_tree, hf_sm_bearer, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset = offset +2;
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset +2;
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proto_item_set_len(ti, 16);
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if (length > 0) {
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next_tvb = tvb_new_subset_length(tvb, offset, length);
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if ((msg_type == PDU_MTP3_TO_SLT || msg_type == PDU_MTP3_FROM_SLT)) {
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call_dissector(q931_handle, next_tvb, pinfo, tree);
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} else {
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call_data_dissector(next_tvb, pinfo, tree);
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}
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}
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break;
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/* end case RUDP BSM v.1 ---------------------------------------------------------- */
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case SM_PROTOCOL_X100:
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case SM_PROTOCOL_X122:
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/* Protocol 0x100/0x122 only contains a length and then an EISUP packet */
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset + 2;
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proto_item_set_len(ti, 8);
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/* This should be the EISUP dissector but we haven't got one
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* right now - so decode it as data for now ... */
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next_tvb = tvb_new_subset_length(tvb, offset, length);
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call_data_dissector(next_tvb, pinfo, sm_tree);
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break;
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case SM_PROTOCOL_X101:
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/* XXX Reverse enginered so this may not be correct!!!
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* EISUP - used between Cisco HSI and Cisco PGW devices,
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* uses RUDP with default port number 8003.
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* Protocol stack is RUDP->Cisco SM->SDP.
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* This implementation is PROPRIETARY
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*/
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset + 2;
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proto_item_set_len(ti, length + offset);
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/* The next stuff seems to be IP addr */
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proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset = offset + 4;
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/* This part looks to be the same per session */
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proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset = offset +4;
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/* Some sort of message type? */
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proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset = offset + 1;
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/* XXX Problem are tags 1 or two bytes???*/
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proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
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tag = tvb_get_ntohs(tvb,offset);
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offset = offset +2;
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if (tag== 0x01ac) {
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset +2;
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next_tvb = tvb_new_subset_length(tvb, offset, length);
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call_dissector(sdp_handle, next_tvb, pinfo, sm_tree);
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/*offset = offset+length;*/
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}
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/*return;*/
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break;
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case SM_PROTOCOL_X114:
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/* XXX Reverse enginered so this may not be correct!!! */
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset + 2;
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proto_item_set_len(ti, length + offset);
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/* The next stuff seems to be IP addr */
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proto_tree_add_item(sm_tree, hf_sm_ip_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset = offset + 4;
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proto_tree_add_item(sm_tree, hf_sm_context, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset = offset +4;
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/* Some sort of message type? */
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proto_tree_add_item(sm_tree, hf_sm_eisup_msg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset = offset + 1;
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/* XXX Problem are tags 1 or two bytes???*/
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proto_tree_add_item(sm_tree, hf_sm_tag, tvb, offset, 2, ENC_BIG_ENDIAN);
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tag = tvb_get_ntohs(tvb,offset);
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offset = offset +2;
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if (tag== 0x01ac) {
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proto_tree_add_item(sm_tree, hf_sm_len, tvb, offset, 2, ENC_BIG_ENDIAN);
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length = tvb_get_ntohs(tvb,offset);
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offset = offset +2;
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next_tvb = tvb_new_subset_length(tvb, offset, length);
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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) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
|
|
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_data_dissector(next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
void
|
|
proto_register_sm(void)
|
|
{
|
|
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 }
|
|
},
|
|
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_sm,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_sm = proto_register_protocol("Cisco Session Management",
|
|
"SM", "sm");
|
|
|
|
register_dissector("sm", dissect_sm, proto_sm);
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_sm, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_sm(void)
|
|
{
|
|
sdp_handle = find_dissector_add_dependency("sdp", proto_sm);
|
|
mtp3_handle = find_dissector_add_dependency("mtp3", proto_sm);
|
|
q931_handle = find_dissector_add_dependency("q931", proto_sm);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|