2010-12-26 21:06:08 +00:00
|
|
|
/* packet-sgsap.c
|
|
|
|
* Routines for SGs Application Part (SGsAP) protocol dissection
|
|
|
|
*
|
2011-02-03 16:36:22 +00:00
|
|
|
* Copyright 2010 - 2011, Anders Broman <anders.broman@ericsson.com>
|
2010-12-26 21:06:08 +00:00
|
|
|
*
|
|
|
|
* $Id$
|
|
|
|
*
|
|
|
|
* Wireshark - Network traffic analyzer
|
|
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
|
|
* Copyright 1998 Gerald Combs
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
|
* as published by the Free Software Foundation; either version 2
|
|
|
|
* of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*
|
|
|
|
* References: 3GPP TS 29.118 V10.2.0 (2010-12)
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
# include "config.h"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <glib.h>
|
|
|
|
#include <epan/packet.h>
|
|
|
|
#include <epan/asn1.h>
|
|
|
|
|
|
|
|
#include "packet-gsm_a_common.h"
|
2010-12-27 15:15:55 +00:00
|
|
|
#include "packet-e212.h"
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
#define PNAME "SGs Application Part (SGsAP)"
|
|
|
|
#define PSNAME "SGSAP"
|
|
|
|
#define PFNAME "sgsap"
|
|
|
|
|
|
|
|
/* The registered SCTP port number for SGsAP is 29118.
|
|
|
|
* The payload protocol identifier to be used for SGsAP is 0.
|
|
|
|
*/
|
|
|
|
#define SCTP_PORT_SGSAP 29118
|
|
|
|
|
|
|
|
|
|
|
|
/* Global variables */
|
2010-12-28 11:24:46 +00:00
|
|
|
static dissector_handle_t gsm_a_dtap_handle;
|
2010-12-27 15:15:55 +00:00
|
|
|
static packet_info *gpinfo;
|
2010-12-26 21:06:08 +00:00
|
|
|
static guint gbl_sgsapSctpPort=SCTP_PORT_SGSAP;
|
|
|
|
|
|
|
|
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
|
|
static int proto_sgsap = -1;
|
|
|
|
|
|
|
|
static int hf_sgsap_msg_type = -1;
|
|
|
|
int hf_sgsap_elem_id = -1;
|
|
|
|
static int hf_sgsap_eps_location_update_type = -1;
|
|
|
|
static int hf_sgsap_service_indicator_value = -1;
|
|
|
|
static int hf_sgsap_sgs_cause = -1;
|
2010-12-27 15:15:55 +00:00
|
|
|
static int hf_sgsap_ue_emm_mode = -1;
|
|
|
|
static int hf_sgsap_eci = -1;
|
2011-01-21 09:26:29 +00:00
|
|
|
static int hf_sgsap_cn_id = -1;
|
2010-12-27 15:15:55 +00:00
|
|
|
static int hf_sgsap_imsi_det_eps = -1;
|
|
|
|
static int hf_sgsap_lcs_indic = -1;
|
2011-02-03 16:36:22 +00:00
|
|
|
static int hf_sgsap_mme_name = -1;
|
|
|
|
static int hf_sgsap_vlr_name = -1;
|
2011-03-22 09:06:42 +00:00
|
|
|
static int hf_sgsap_imeisv = -1;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
static int ett_sgsap = -1;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 9.4 Information elements
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.1 CLI
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Octets 3 to 14 contain the value part of the Calling party BCD number information element
|
|
|
|
* defined in subclause 10.5.4.9 of 3GPP TS 24.008 [8] (octets 3 to 14, i.e. not including
|
|
|
|
* 3GPP TS 24.008 IEI and 3GPP TS 24.008 length indicator)
|
|
|
|
* ( packet-gsm_a_dtap.c )
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.2 EPS location update type
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* EPS location update type value (octet 3) */
|
|
|
|
static const value_string sgsap_eps_location_update_type_values[] = {
|
|
|
|
{ 0x00, "Shall not be sent in this version of the protocol" },
|
|
|
|
{ 0x01, "IMSI attach" },
|
|
|
|
{ 0x02, "Normal location update" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_eps_loc_upd_type(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
2011-02-03 16:36:22 +00:00
|
|
|
guint8 oct;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
/* Octet 3 EPS location update type value */
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_eps_location_update_type, tvb, offset, 1, FALSE);
|
2011-02-03 16:36:22 +00:00
|
|
|
if(add_string){
|
|
|
|
oct = tvb_get_guint8(tvb,curr_offset);
|
|
|
|
g_snprintf(add_string, string_len, " - %s", val_to_str_const(oct, sgsap_eps_location_update_type_values, "Reserved"));
|
|
|
|
}
|
|
|
|
|
2010-12-26 21:06:08 +00:00
|
|
|
curr_offset++;
|
|
|
|
|
|
|
|
return(curr_offset - offset);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 9.4.3 Erroneous message
|
|
|
|
*
|
|
|
|
* See subclause 18.4.5 in 3GPP TS 29.018 [16].
|
|
|
|
*/
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_err_msg(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
2011-02-03 17:45:17 +00:00
|
|
|
/* 18.4.5 Erroneous message
|
|
|
|
* The Erroneous message IE is a TLV IE that encapsulates the message in error.
|
|
|
|
* Octet 3 - Octet n
|
|
|
|
* Erroneous message including the message type.
|
|
|
|
*/
|
2011-02-03 18:15:56 +00:00
|
|
|
proto_tree_add_item(tree, hf_sgsap_msg_type, tvb, offset, 1, FALSE);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 9.4.3a E-UTRAN Cell Global Identity
|
|
|
|
*
|
|
|
|
* The coding of the E-UTRAN Cell Global Identity value is according to ECGI field information element
|
2010-12-27 15:15:55 +00:00
|
|
|
* as specified in subclause 8.21.5 of 3GPP TS 29.274 [17A] (GTPv2-C)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_ecgi(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
2011-02-03 18:15:56 +00:00
|
|
|
guint32 curr_offset;
|
2010-12-27 15:15:55 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
curr_offset = offset;
|
2010-12-27 15:15:55 +00:00
|
|
|
|
|
|
|
dissect_e212_mcc_mnc(tvb, gpinfo, tree, offset, TRUE);
|
|
|
|
curr_offset+=3;
|
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
proto_tree_add_item(tree, hf_sgsap_eci, tvb, curr_offset, 4, FALSE);
|
|
|
|
curr_offset+=4;
|
2010-12-27 15:15:55 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
return(curr_offset-offset);
|
2010-12-27 15:15:55 +00:00
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.4 Global CN-Id
|
|
|
|
*
|
|
|
|
* See subclause 18.4.27 in 3GPP TS 29.018 [16].
|
2010-12-30 14:10:35 +00:00
|
|
|
* 18.4.27 Global CN-Id
|
|
|
|
* The Global CN-Id consists of a PLMN-Id and a CN-Id, see 3GPP TS 23.003. The PLMN-Id consists of MCC and MNC
|
|
|
|
* coded according to Location Area Identification in 3GPP TS 24.008. The CN-Id is an integer defined by O&M. The
|
|
|
|
* least significant bit of the CN-Id field is bit 1 of octet 7 and the most significant bit is bit 8 of octet 6. If the CN-Id does
|
|
|
|
* not fill the field reserved for it, the rest of the bits are set to '0'.
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2011-01-21 09:26:29 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_g_cn_id(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2011-01-21 09:26:29 +00:00
|
|
|
{
|
2011-02-03 18:15:56 +00:00
|
|
|
guint32 curr_offset;
|
2011-01-21 09:26:29 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
curr_offset = offset;
|
2011-01-21 09:26:29 +00:00
|
|
|
|
|
|
|
dissect_e212_mcc_mnc(tvb, gpinfo, tree, offset, TRUE);
|
|
|
|
curr_offset+=3;
|
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
proto_tree_add_item(tree, hf_sgsap_cn_id, tvb, curr_offset, 2, FALSE);
|
|
|
|
curr_offset+=2;
|
2011-01-21 09:26:29 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
return(curr_offset-offset);
|
2011-01-21 09:26:29 +00:00
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.5 IMEISV
|
|
|
|
* See subclause 18.4.9 in 3GPP TS 29.018 [16].
|
2011-01-21 14:03:42 +00:00
|
|
|
* The IMEISV is coded as a sequence of BCD digits, compressed two into each octet.
|
|
|
|
* The IMEISV consists of 16 digits
|
|
|
|
* (see 3GPP TS 23.003).
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2011-03-22 09:06:42 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_imeisv(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2011-03-22 09:06:42 +00:00
|
|
|
{
|
|
|
|
const char *imeisv_str;
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
imeisv_str = tvb_bcd_dig_to_ep_str( tvb, curr_offset, len, NULL, FALSE);
|
|
|
|
proto_tree_add_string(tree, hf_sgsap_imeisv, tvb, curr_offset, len, imeisv_str);
|
2011-03-24 10:36:39 +00:00
|
|
|
if (add_string)
|
|
|
|
g_snprintf(add_string, len, " - %s", imeisv_str);
|
2011-03-22 09:06:42 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
|
|
|
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.6 IMSI
|
|
|
|
* See subclause 18.4.10 in 3GPP TS 29.018 [16].
|
|
|
|
*/
|
2011-01-21 14:03:42 +00:00
|
|
|
/* The IMSI is coded as a sequence of BCD digits, compressed two into each octet.
|
|
|
|
* This is a variable length element, and includes a length indicator.
|
|
|
|
* The IMSI is defined in 3GPP TS 23.003. It shall not exceed 15 digits (see 3GPP TS 23.003).
|
|
|
|
*/
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.7 IMSI detach from EPS service type
|
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
|
|
|
|
/* IMSI detach from EPS service type value (octet 3) */
|
|
|
|
static const value_string sgsap_imsi_det_from_eps_serv_type_values[] = {
|
|
|
|
{ 0x00, "Interpreted as reserved in this version of the protocol" },
|
|
|
|
{ 0x01, "Network initiated IMSI detach from EPS services" },
|
|
|
|
{ 0x02, "UE initiated IMSI detach from EPS services" },
|
|
|
|
{ 0x03, "EPS services not allowed" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_imsi_det_eps(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_imsi_det_eps, tvb, curr_offset, 1, FALSE);
|
|
|
|
curr_offset+=1;
|
|
|
|
|
|
|
|
return(curr_offset-offset);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.8 IMSI detach from non-EPS service type
|
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
/* IMSI detach from non-EPS service type value (octet 3)*/
|
|
|
|
static const value_string sgsap_imsi_det_from_non_eps_serv_type_values[] = {
|
|
|
|
{ 0x00, "Interpreted as reserved in this version of the protocol" },
|
|
|
|
{ 0x01, "Explicit UE initiated IMSI detach from non-EPS services" },
|
|
|
|
{ 0x02, "Combined UE initiated IMSI detach from EPS and non-EPS services" },
|
|
|
|
{ 0x03, "Implicit network initiated IMSI detach from non-EPS services" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_imsi_det_non_eps(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_imsi_det_eps, tvb, curr_offset, 1, FALSE);
|
|
|
|
curr_offset+=1;
|
|
|
|
|
|
|
|
return(curr_offset-offset);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.9 LCS client identity
|
2010-12-27 15:15:55 +00:00
|
|
|
* The coding of the LCS client identity value is according to LCS-ClientID
|
|
|
|
* as specified in subclause 17.7.13 of 3GPP TS 29.002 [15]
|
|
|
|
* (packet-nas_eps.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.10 LCS indicator
|
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
static const value_string sgsap_lcs_indic_values[] = {
|
|
|
|
{ 0x00, "Normal, unspecified in this version of the protocol" },
|
|
|
|
{ 0x01, "MT-LR" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_lcs_indic(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_lcs_indic, tvb, curr_offset, 1, FALSE);
|
|
|
|
curr_offset+=1;
|
|
|
|
|
|
|
|
return(curr_offset-offset);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.11 Location area identifier
|
|
|
|
*
|
|
|
|
* Octets 3 to 7 contain the value part of the Location area identification information element
|
|
|
|
* defined in 3GPP TS 24.008 [8] (starting with octet 2, i.e. not including 3GPP TS 24.008 IEI)
|
2010-12-27 15:15:55 +00:00
|
|
|
*(packet-gsm_a_common.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.12 MM information
|
2010-12-27 15:15:55 +00:00
|
|
|
* For the coding see subclause 18.4.16 in 3GPP TS 29.018 [16].
|
|
|
|
* User information: This field is composed of one or more of the
|
|
|
|
* information elements of the MM information message as defined in
|
|
|
|
* 3GPP TS 24.008, excluding the Protocol discriminator, Skip
|
|
|
|
* indicator and Message type. This field includes the IEI and length
|
|
|
|
* indicatior of the other information elements.
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_mm_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
2011-04-04 14:37:25 +00:00
|
|
|
dtap_mm_mm_info(tvb, tree, pinfo, curr_offset, len);
|
2010-12-27 15:15:55 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
|
|
|
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.13 MME name
|
|
|
|
*/
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_mme_name(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
2011-02-03 16:36:22 +00:00
|
|
|
guint name_len, tmp;
|
|
|
|
guint8 *fqdn = NULL;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
2011-02-03 16:36:22 +00:00
|
|
|
/* The MME name information element specifies the MME name and is coded as shown in figure 9.4.13.1. Octets 3
|
|
|
|
* through n contain the name in the form of a fully qualified domain name (FQDN) as specified in 3GPP TS 23.003 [3].
|
|
|
|
* The value part of the MME name information element (not including IEI and length indicator) shall have a length of 55
|
|
|
|
* octets.
|
|
|
|
*/
|
|
|
|
if (len > 0) {
|
|
|
|
name_len = tvb_get_guint8(tvb, offset);
|
|
|
|
|
|
|
|
if (name_len < 0x20) {
|
|
|
|
fqdn = tvb_get_ephemeral_string(tvb, offset + 1, len - 1);
|
|
|
|
for (;;) {
|
|
|
|
if (name_len >= len - 1)
|
|
|
|
break;
|
|
|
|
tmp = name_len;
|
|
|
|
name_len = name_len + fqdn[tmp] + 1;
|
|
|
|
fqdn[tmp] = '.';
|
|
|
|
}
|
|
|
|
} else{
|
|
|
|
fqdn = tvb_get_ephemeral_string(tvb, offset, len);
|
|
|
|
}
|
|
|
|
proto_tree_add_string(tree, hf_sgsap_mme_name, tvb, offset, len, fqdn);
|
|
|
|
if (add_string)
|
|
|
|
g_snprintf(add_string, string_len, " - %s", fqdn);
|
|
|
|
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 9.4.14 Mobile identity
|
|
|
|
* See subclause 18.4.17 in 3GPP TS 29.018 [16].
|
2010-12-27 15:15:55 +00:00
|
|
|
* (packet-gsm_a_common.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.14a Mobile Station Classmark 2
|
|
|
|
* With the exception of the IEI, the contents are specified in subclause 10.5.1.6 in 3GPP TS 24.008 [8].
|
2010-12-27 15:15:55 +00:00
|
|
|
* (packet-gsm_a_common.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.15 NAS message container
|
2010-12-28 11:24:46 +00:00
|
|
|
* Octets 3 to 253 contain the SMS message (i.e. CP DATA, CP ACK or CP ERROR)
|
|
|
|
* as defined in subclause 7.2 of 3GPP TS 24.011 [10]
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_nas_msg_container(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
2010-12-28 11:24:46 +00:00
|
|
|
tvbuff_t *new_tvb;
|
2010-12-27 15:15:55 +00:00
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
/* Octets 3 to 253 contain the SMS message (i.e. CP DATA, CP ACK or CP ERROR)
|
|
|
|
* as defined in subclause 7.2 of 3GPP TS 24.011 [10]
|
|
|
|
*/
|
2010-12-28 11:24:46 +00:00
|
|
|
new_tvb = tvb_new_subset_remaining(tvb, curr_offset);
|
|
|
|
if(gsm_a_dtap_handle){
|
|
|
|
call_dissector(gsm_a_dtap_handle,new_tvb,gpinfo, tree);
|
|
|
|
}
|
2010-12-27 15:15:55 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.16 Reject cause
|
|
|
|
* See subclause 18.4.21 in 3GPP TS 29.018 [16].
|
2010-12-27 15:15:55 +00:00
|
|
|
* The rest of the information element is coded as the value part of
|
|
|
|
* the reject cause IE defined in 3GPP TS 24.008, not including
|
|
|
|
* 3GPP TS 24.008 IEI.
|
|
|
|
* (packet-gsm_a_dtap.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.17 Service indicator
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Octet 3 Service indicator value */
|
|
|
|
static const value_string sgsap_service_indicator_values[] = {
|
|
|
|
{ 0x00, "Shall not be sent in this version of the protocol" },
|
|
|
|
{ 0x01, "CS call indicator" },
|
|
|
|
{ 0x02, "SMS indicator" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_serv_indic(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
2011-02-03 16:36:22 +00:00
|
|
|
guint8 oct;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
/* Octet 3 Service indicator value */
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_service_indicator_value, tvb, offset, 1, FALSE);
|
2011-02-03 16:36:22 +00:00
|
|
|
if(add_string){
|
|
|
|
oct = tvb_get_guint8(tvb,curr_offset);
|
|
|
|
g_snprintf(add_string, string_len, " - %s", val_to_str_const(oct, sgsap_service_indicator_values, "Reserved"));
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
curr_offset++;
|
|
|
|
|
|
|
|
return(curr_offset - offset);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 9.4.18 SGs cause
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* SGs cause value (octet 3) */
|
|
|
|
static const value_string sgsap_sgs_cause_values[] = {
|
|
|
|
{ 0x00, "Normal, unspecified in this version of the protocol" },
|
|
|
|
{ 0x01, "IMSI detached for EPS services" },
|
|
|
|
{ 0x02, "IMSI detached for EPS and non-EPS services" },
|
|
|
|
{ 0x03, "IMSI unknown" },
|
|
|
|
{ 0x04, "IMSI detached for non-EPS services" },
|
|
|
|
{ 0x05, "IMSI implicitly detached for non-EPS services" },
|
|
|
|
{ 0x06, "UE unreachable" },
|
|
|
|
{ 0x07, "Message not compatible with the protocol state" },
|
|
|
|
{ 0x08, "Missing mandatory information element" },
|
|
|
|
{ 0x09, "Invalid mandatory information" },
|
|
|
|
{ 0x0a, "Conditional information element error" },
|
|
|
|
{ 0x0b, "Semantically incorrect message" },
|
|
|
|
{ 0x0c, "Message unknown" },
|
|
|
|
{ 0x0d, "Mobile terminating CS fallback call rejected by the user" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
2010-12-27 15:15:55 +00:00
|
|
|
static value_string_ext sgsap_sgs_cause_values_ext = VALUE_STRING_EXT_INIT(sgsap_sgs_cause_values);
|
|
|
|
|
2010-12-26 21:06:08 +00:00
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_sgs_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
2011-02-03 16:36:22 +00:00
|
|
|
guint8 oct;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_sgs_cause, tvb, offset, 1, FALSE);
|
2011-02-03 16:36:22 +00:00
|
|
|
if(add_string){
|
|
|
|
oct = tvb_get_guint8(tvb,curr_offset);
|
|
|
|
g_snprintf(add_string, string_len, " - %s", val_to_str_ext_const(oct, &sgsap_sgs_cause_values_ext, "Reserved"));
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
curr_offset++;
|
|
|
|
|
|
|
|
return(curr_offset - offset);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 9.4.19 SS code
|
2010-12-27 15:15:55 +00:00
|
|
|
* The coding of the SS code value is according to SS-Code as specified in
|
|
|
|
* subclause 17.7.5 of 3GPP TS 29.002 [15]
|
|
|
|
* ( packet-nas_eps.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.20 TMSI
|
|
|
|
* See subclause 18.4.23 in 3GPP TS 29.018 [16].
|
2010-12-27 20:19:55 +00:00
|
|
|
* (packet-gsm_a_bssmap.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
2010-12-27 16:38:03 +00:00
|
|
|
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.21 TMSI status
|
|
|
|
*
|
|
|
|
* See subclause 18.4.24 in 3GPP TS 29.018 [16].
|
2010-12-27 15:15:55 +00:00
|
|
|
* (packet-gsm_a_gm.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.21a Tracking Area Identity
|
|
|
|
* Octets 3 to 7 contain the value part of the Tracking Area Identity information element defined in 3GPP TS 24.301 [14]
|
|
|
|
* (starting with octet 2, i.e. not including 3GPP TS 24.301 IEI)
|
2010-12-27 15:15:55 +00:00
|
|
|
* (packet-nas_eps.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.21b UE Time Zone
|
|
|
|
* The coding of the UE Time Zone value is according to value part of the Time Zone information element as specified
|
|
|
|
* in subclause 10.5.3.8 of 3GPP TS 24.008 [8] (i.e. not including 3GPP TS 24.008 IEI)
|
2010-12-27 15:15:55 +00:00
|
|
|
* (packet-gsm_a_dtap.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.21c UE EMM mode
|
|
|
|
*/
|
2010-12-27 15:15:55 +00:00
|
|
|
static const value_string sgsap_ue_emm_mode_values[] = {
|
|
|
|
{ 0x00, "EMM-IDLE" },
|
|
|
|
{ 0x01, "EMM-CONNECTED" },
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_ue_emm_mode(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-27 15:15:55 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_sgsap_ue_emm_mode, tvb, offset, 1, FALSE);
|
|
|
|
curr_offset+=1;
|
|
|
|
|
|
|
|
return(curr_offset - offset);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
/*
|
|
|
|
* 9.4.22 VLR name
|
|
|
|
*/
|
|
|
|
static guint16
|
2011-04-04 14:37:25 +00:00
|
|
|
de_sgsap_vlr_name(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
2011-02-03 16:36:22 +00:00
|
|
|
guint name_len, tmp;
|
|
|
|
guint8 *fqdn = NULL;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
/* The VLR name information element specifies the VLR name and is coded as shown in figure 9.4.22.1.
|
|
|
|
* Octets 3 through n contain the VLR name in the form of a fully qualified domain name (FQDN)
|
|
|
|
* as specified in IETF RFC 1035 [21].
|
|
|
|
*/
|
2011-02-03 16:36:22 +00:00
|
|
|
if (len > 0) {
|
|
|
|
name_len = tvb_get_guint8(tvb, offset);
|
|
|
|
|
|
|
|
if (name_len < 0x20) {
|
|
|
|
fqdn = tvb_get_ephemeral_string(tvb, offset + 1, len - 1);
|
|
|
|
for (;;) {
|
|
|
|
if (name_len >= len - 1)
|
|
|
|
break;
|
|
|
|
tmp = name_len;
|
|
|
|
name_len = name_len + fqdn[tmp] + 1;
|
|
|
|
fqdn[tmp] = '.';
|
|
|
|
}
|
|
|
|
} else{
|
|
|
|
fqdn = tvb_get_ephemeral_string(tvb, offset, len);
|
|
|
|
}
|
|
|
|
proto_tree_add_string(tree, hf_sgsap_vlr_name, tvb, offset, len, fqdn);
|
|
|
|
if (add_string)
|
|
|
|
g_snprintf(add_string, string_len, " - %s", fqdn);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
return(len);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 9.4.23 Channel needed
|
2010-12-27 15:15:55 +00:00
|
|
|
* See subclause 18.4.2 in 3GPP TS 29.018 [16].
|
|
|
|
* The rest of the information element is coded as the IEI part and the
|
|
|
|
* value part of the Channel Needed IE defined in 3GPP TS 44.018
|
|
|
|
* (packet-gsm_a_bssmap.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 9.4.24 eMLPP priority
|
2010-12-27 15:15:55 +00:00
|
|
|
* See subclause 18.4.4 in 3GPP TS 29.018 [16].
|
|
|
|
* The rest of the information element is coded as the value part of
|
|
|
|
* the eMLPP-Priority IE defined in 3GPP TS 48.008 (not including
|
|
|
|
* 3GPP TS 48.008 IEI and 3GPP TS 48.008 length indicator).
|
|
|
|
* (packet-gsm_a_bssmap.c)
|
2010-12-26 21:06:08 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
const value_string sgsap_elem_strings[] = {
|
|
|
|
{ 0x01, "IMSI" }, /* 9.4.6 */
|
|
|
|
{ 0x02, "VLR name" }, /* 9.4.22 */
|
|
|
|
{ 0x03, "TMSI" }, /* 9.4.20 */
|
|
|
|
{ 0x04, "Location area identifier" }, /* 9.4.11 */
|
|
|
|
{ 0x05, "Channel Needed" }, /* 9.4.23 */
|
|
|
|
{ 0x06, "eMLPP Priority" }, /* 9.4.24 */
|
|
|
|
{ 0x07, "TMSI status" }, /* 9.4.21 */
|
|
|
|
{ 0x08, "SGs cause" }, /* 9.4.18 */
|
|
|
|
{ 0x09, "MME name" }, /* 9.4.13 */
|
|
|
|
{ 0x0a, "EPS location update type" }, /* 9.4.2 */
|
|
|
|
{ 0x0b, "Global CN-Id" }, /* 9.4.4 */
|
|
|
|
|
|
|
|
{ 0x0c, "Undefined" }, /* */
|
|
|
|
{ 0x0d, "Undefined" }, /* */
|
|
|
|
|
|
|
|
{ 0x0e, "Mobile identity" }, /* 9.4.14 */
|
|
|
|
{ 0x0f, "Reject cause" }, /* 9.4.16 */
|
|
|
|
{ 0x10, "IMSI detach from EPS service type" }, /* 9.4.7 */
|
|
|
|
{ 0x11, "IMSI detach from non-EPS service type" }, /* 9.4.8 */
|
|
|
|
|
|
|
|
{ 0x15, "IMEISV" }, /* 9.4.5 */
|
|
|
|
{ 0x16, "NAS message container" }, /* 9.4.15 */
|
|
|
|
{ 0x17, "MM information" }, /* 9.4.12 */
|
|
|
|
|
|
|
|
{ 0x18, "Undefined" }, /* */
|
|
|
|
{ 0x19, "Undefined" }, /* */
|
|
|
|
{ 0x1a, "Undefined" }, /* */
|
|
|
|
|
|
|
|
{ 0x1b, "Erroneous message" }, /* 9.4.3 */
|
|
|
|
{ 0x1c, "CLI" }, /* 9.4.1 */
|
|
|
|
{ 0x1d, "LCS client identity" }, /* 9.4.9 */
|
|
|
|
{ 0x1e, "LCS indicator" }, /* 9.4.10 */
|
|
|
|
{ 0x1f, "SS code" }, /* 9.4.19 */
|
|
|
|
{ 0x20, "Service indicator" }, /* 9.4.17 */
|
|
|
|
{ 0x21, "UE Time Zone" }, /* 9.4.21b */
|
|
|
|
{ 0x22, "Mobile Station Classmark 2" }, /* 9.4.14a */
|
|
|
|
{ 0x23, "Tracking Area Identity" }, /* 9.4.21a */
|
|
|
|
{ 0x24, "E-UTRAN Cell Global Identity" }, /* 9.4.3a */
|
|
|
|
{ 0x25, "UE EMM mode" }, /* 9.4.21c */
|
|
|
|
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
#define NUM_SGSAP_ELEM (sizeof(sgsap_elem_strings)/sizeof(value_string))
|
|
|
|
gint ett_sgsap_elem[NUM_SGSAP_ELEM];
|
2011-01-21 09:26:29 +00:00
|
|
|
#if 0
|
|
|
|
This enum has been moved to packet-gsm_a_common to
|
|
|
|
make it possible to use element dissecton from this dissector
|
|
|
|
in other dissectors.
|
|
|
|
It is left here as a comment for easier reference.
|
|
|
|
|
|
|
|
Note this enum must be of the same size as the element decoding list
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
typedef enum
|
|
|
|
{
|
|
|
|
|
2011-01-21 09:26:29 +00:00
|
|
|
DE_SGSAP_IMSI, /. 9.4.6 IMSI./
|
|
|
|
DE_SGSAP_VLR_NAME, /. 9.4.22 VLR name./
|
|
|
|
DE_SGSAP_TMSI, /. 9.4.20 TMSI ./
|
|
|
|
DE_SGSAP_LOC_AREA_ID, /. 9.4.11 Location area identifier ./
|
|
|
|
DE_SGSAP_CH_NEEDED, /. 9.4.23 Channel Needed ./
|
|
|
|
DE_SGSAP_EMLPP_PRIO, /. 9.4.24 eMLPP Priority./
|
|
|
|
DE_SGSAP_TMSI_STATUS, /. 9.4.21 TMSI status ./
|
|
|
|
DE_SGSAP_SGS_CAUSE, /. 9.4.18 SGs cause./
|
|
|
|
DE_SGSAP_MME_NAME, /. 9.4.13 MME name./
|
|
|
|
DE_SGSAP_EPS_LOC_UPD_TYPE, /. 9.4.2 EPS location update type./
|
|
|
|
DE_SGSAP_GLOBAL_CN_ID, /. 9.4.4 Global CN-Id./
|
|
|
|
|
|
|
|
DE_SGSAP_UDEF_12, /. Undefined ./
|
|
|
|
DE_SGSAP_UDEF_13, /. Undefined ./
|
|
|
|
|
|
|
|
DE_SGSAP_MID, /. 9.4.14 Mobile identity./
|
|
|
|
DE_SGSAP_REJ_CAUSE, /. 9.4.16 Reject cause ./
|
|
|
|
DE_SGSAP_IMSI_DET_EPS, /. 9.4.7 IMSI detach from EPS service type ./
|
|
|
|
DE_SGSAP_IMSI_DET_NON_EPS, /. 9.4.8 IMSI detach from non-EPS service type ./
|
|
|
|
|
|
|
|
DE_SGSAP_IMEISV, /. 9.4.5 IMEISV ./
|
|
|
|
DE_SGSAP_NAS_MSG_CONTAINER, /. 9.4.15 NAS message container./
|
|
|
|
DE_SGSAP_MM_INFO, /. 9.4.12 MM information./
|
|
|
|
|
|
|
|
DE_SGSAP_UDEF_24, /. Undefined ./
|
|
|
|
DE_SGSAP_UDEF_25, /. Undefined ./
|
|
|
|
DE_SGSAP_UDEF_26, /. Undefined ./
|
|
|
|
|
|
|
|
DE_SGSAP_ERR_MSG, /. 9.4.3 Erroneous message./
|
|
|
|
DE_SGSAP_CLI, /. 9.4.1 CLI ./
|
|
|
|
DE_SGSAP_LCS_CLIENT_ID, /. 9.4.9 LCS client identity ./
|
|
|
|
DE_SGSAP_LCS_INDIC, /. 9.4.10 LCS indicator ./
|
|
|
|
DE_SGSAP_SS_CODE, /. 9.4.19 SS code ./
|
|
|
|
DE_SGSAP_SERV_INDIC, /. 9.4.17 Service indicator ./
|
|
|
|
DE_SGSAP_UE_TZ, /. 9.4.21b UE Time Zone ./
|
|
|
|
DE_SGSAP_MSC_2, /. 9.4.14a Mobile Station Classmark 2 ./
|
|
|
|
DE_SGSAP_TAID, /. 9.4.21a Tracking Area Identity ./
|
|
|
|
DE_SGSAP_ECGI, /. 9.4.3a E-UTRAN Cell Global Identity ./
|
|
|
|
DE_SGSAP_UE_EMM_MODE, /. 9.4.21c UE EMM mode./
|
|
|
|
|
|
|
|
DE_SGAP_NONE /. NONE ./
|
2010-12-26 21:06:08 +00:00
|
|
|
}
|
|
|
|
sgsap_elem_idx_t;
|
2011-01-21 09:26:29 +00:00
|
|
|
#endif /* 0 */
|
2010-12-26 21:06:08 +00:00
|
|
|
|
2011-04-04 14:37:25 +00:00
|
|
|
guint16 (*sgsap_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len) = {
|
2010-12-26 21:06:08 +00:00
|
|
|
NULL/*DE_SGSAP_IMSI*/, /* 9.4.6 IMSI*/
|
|
|
|
de_sgsap_vlr_name, /* 9.4.22 VLR name*/
|
|
|
|
NULL/*DE_SGSAP_TMSI*/, /* 9.4.20 TMSI */
|
|
|
|
NULL/*DE_SGSAP_LOC_AREA_ID*/, /* 9.4.11 Location area identifier */
|
|
|
|
NULL/*DE_SGSAP_CH_NEEDED*/, /* 9.4.23 Channel Needed */
|
|
|
|
NULL/*DE_SGSAP_EMLPP_PRIO*/, /* 9.4.24 eMLPP Priority*/
|
|
|
|
NULL/*DE_SGSAP_TMSI_STATUS*/, /* 9.4.21 TMSI status */
|
|
|
|
de_sgsap_sgs_cause, /* 9.4.18 SGs cause*/
|
|
|
|
de_sgsap_mme_name, /* 9.4.13 MME name*/
|
|
|
|
de_sgsap_eps_loc_upd_type, /* 9.4.2 EPS location update type*/
|
2011-01-21 09:26:29 +00:00
|
|
|
de_sgsap_g_cn_id, /* 9.4.4 Global CN-Id*/
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
NULL/*DE_SGSAP_UDEF_12*/, /* Undefined */
|
|
|
|
NULL/*DE_SGSAP_UDEF_13*/, /* Undefined */
|
|
|
|
|
|
|
|
NULL/*DE_SGSAP_MID*/, /* 9.4.14 Mobile identity*/
|
|
|
|
NULL/*DE_SGSAP_REJ_CAUSE*/, /* 9.4.16 Reject cause */
|
2010-12-27 15:15:55 +00:00
|
|
|
de_sgsap_imsi_det_eps, /* 9.4.7 IMSI detach from EPS service type */
|
|
|
|
de_sgsap_imsi_det_non_eps, /* 9.4.8 IMSI detach from non-EPS service type */
|
2010-12-26 21:06:08 +00:00
|
|
|
|
2011-03-22 09:06:42 +00:00
|
|
|
de_sgsap_imeisv, /* 9.4.5 IMEISV */
|
2010-12-27 15:15:55 +00:00
|
|
|
de_sgsap_nas_msg_container, /* 9.4.15 NAS message container*/
|
|
|
|
de_sgsap_mm_info, /* 9.4.12 MM information*/
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
NULL/*DE_SGSAP_UDEF_24*/, /* Undefined */
|
|
|
|
NULL/*DE_SGSAP_UDEF_25*/, /* Undefined */
|
|
|
|
NULL/*DE_SGSAP_UDEF_26*/, /* Undefined */
|
|
|
|
|
|
|
|
de_sgsap_err_msg, /* 9.4.3 Erroneous message*/
|
|
|
|
NULL/*DE_SGSAP_CLI*/, /* 9.4.1 CLI */
|
|
|
|
NULL/*DE_SGSAP_LCS_CLIENT_ID*/, /* 9.4.9 LCS client identity */
|
2010-12-27 15:15:55 +00:00
|
|
|
de_sgsap_lcs_indic, /* 9.4.10 LCS indicator */
|
2010-12-26 21:06:08 +00:00
|
|
|
NULL/*DE_SGSAP_SS_CODE*/, /* 9.4.19 SS code */
|
|
|
|
de_sgsap_serv_indic, /* 9.4.17 Service indicator */
|
|
|
|
NULL/*DE_SGSAP_UE_TZ*/, /* 9.4.21b UE Time Zone */
|
|
|
|
NULL/*DE_SGSAP_MSC_2*/, /* 9.4.14a Mobile Station Classmark 2 */
|
|
|
|
NULL/*DE_SGSAP_TAID*/, /* 9.4.21a Tracking Area Identity */
|
2010-12-27 15:15:55 +00:00
|
|
|
de_sgsap_ecgi, /* 9.4.3a E-UTRAN Cell Global Identity */
|
|
|
|
de_sgsap_ue_emm_mode , /* 9.4.21c UE EMM mode*/
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
NULL, /* NONE */
|
|
|
|
};
|
|
|
|
|
|
|
|
/* MESSAGE FUNCTIONS */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.1 SGsAP-ALERT-ACK message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_alert_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.2 SGsAP-ALERT-REJECT message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_alert_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* SGs Cause SGs cause 9.4.18 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x08, SGSAP_PDU_TYPE, DE_SGSAP_SGS_CAUSE, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.3 SGsAP-ALERT-REQUEST message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_alert_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.4 SGsAP-DOWNLINK-UNITDATA message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_dl_unitdata(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* NAS message container NAS message container 9.4.15 M TLV 4-253 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x16, SGSAP_PDU_TYPE, DE_SGSAP_NAS_MSG_CONTAINER, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.5 SGsAP-EPS-DETACH-ACK message
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_eps_det_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.6 SGsAP-EPS-DETACH-INDICATION message
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_eps_det_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* MME name MME name 9.4.13 M TLV 57 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x09, SGSAP_PDU_TYPE, DE_SGSAP_MME_NAME, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* IMSI detach from EPS service type IMSI detach from EPS service type 9.4.7 M TLV 3 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x10, SGSAP_PDU_TYPE, DE_SGSAP_IMSI_DET_EPS, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.7 SGsAP-IMSI-DETACH-ACK message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_imsi_det_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.8 SGsAP-IMSI-DETACH-INDICATION message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_imsi_det_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* MME name MME name 9.4.13 M TLV 57 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x09, SGSAP_PDU_TYPE, DE_SGSAP_MME_NAME, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* IMSI Detach from non-EPS service type IMSI detach from non-EPS service type 9.4.8 M TLV 3 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x11, SGSAP_PDU_TYPE, DE_SGSAP_IMSI_DET_NON_EPS, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.9 SGsAP-LOCATION-UPDATE-ACCEPT message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_imsi_loc_update_acc(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* Location area identifier Location area identifier 9.4.11 M TLV 7 */
|
|
|
|
ELEM_MAND_TLV(0x04, GSM_A_PDU_TYPE_COMMON, DE_LAI, NULL);
|
|
|
|
/* New TMSI, or IMSI Mobile identity 9.4.14 O TLV 6-10 */
|
|
|
|
ELEM_OPT_TLV(0x0e,GSM_A_PDU_TYPE_COMMON, DE_MID, " - New TMSI, or IMSI");
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.10 SGsAP-LOCATION-UPDATE-REJECT message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_imsi_loc_update_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* Reject cause Reject cause 9.4.16 M TLV 3 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x0f,GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* Location area identifier Location area identifier 9.4.11 O TLV 7 */
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_COMMON, DE_LAI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.11 SGsAP-LOCATION-UPDATE-REQUEST message
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_imsi_loc_update_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* MME name MME name 9.4.13 M TLV 57 */
|
|
|
|
ELEM_MAND_TLV(0x09, SGSAP_PDU_TYPE, DE_SGSAP_MME_NAME, NULL);
|
|
|
|
/* EPS location update type EPS location update type 9.4.2 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x0a, SGSAP_PDU_TYPE, DE_SGSAP_EPS_LOC_UPD_TYPE, NULL);
|
|
|
|
/* New location area identifier Location area identifier 9.4.11 M TLV 7 */
|
|
|
|
ELEM_MAND_TLV(0x04, GSM_A_PDU_TYPE_COMMON, DE_LAI, NULL);
|
|
|
|
/* Old location area identifier Location area identifier 9.4.11 O TLV 7 */
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_COMMON, DE_LAI, " - Old location area identifier");
|
|
|
|
/* TMSI status TMSI status 9.4.21 O TLV 3 */
|
|
|
|
ELEM_OPT_TLV( 0x07 , GSM_A_PDU_TYPE_GM, DE_TMSI_STAT , NULL );
|
|
|
|
/* IMEISV IMEISV 9.4.5 O TLV 10 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x15, SGSAP_PDU_TYPE, DE_SGSAP_IMEISV, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.12 SGsAP-MM-INFORMATION-REQUEST
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_mm_info_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* MM information MM information 9.4.12 M TLV 3-n */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x17, SGSAP_PDU_TYPE, DE_SGSAP_MM_INFO, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.13 SGsAP-PAGING-REJECT message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_paging_rej(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* SGs Cause SGs Cause 9.4.18 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x08, SGSAP_PDU_TYPE, DE_SGSAP_SGS_CAUSE, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.14 SGsAP-PAGING-REQUEST message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_paging_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* VLR name VLR name 9.4.22 M TLV 3-n */
|
|
|
|
ELEM_MAND_TLV(0x02, SGSAP_PDU_TYPE, DE_SGSAP_VLR_NAME, NULL);
|
|
|
|
/* Service indicator Service indicator 9.4.17 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x20, SGSAP_PDU_TYPE, DE_SGSAP_SERV_INDIC, NULL);
|
|
|
|
/* TMSI TMSI 9.4.20 O TLV 6 */
|
2010-12-27 20:19:55 +00:00
|
|
|
ELEM_OPT_TLV(0x03, GSM_A_PDU_TYPE_BSSMAP, BE_TMSI, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* CLI CLI 9.4.1 O TLV 3-14 */
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_CLG_PARTY_BCD_NUM, " - CLI");
|
|
|
|
/* Location area identifier Location area identifier 9.4.11 O TLV 7 */
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_COMMON, DE_LAI, NULL);
|
|
|
|
/* Global CN-Id Global CN-Id 9.4.4 O TLV 7 */
|
2011-01-21 09:26:29 +00:00
|
|
|
ELEM_OPT_TLV(0x0b, SGSAP_PDU_TYPE, DE_SGSAP_GLOBAL_CN_ID, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* SS code SS code 9.4.19 O TLV 3 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_OPT_TLV(0x1f, NAS_PDU_TYPE_EMM, DE_EMM_SS_CODE, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* LCS indicator LCS indicator 9.4.10 O TLV 3 */
|
2011-01-21 14:03:42 +00:00
|
|
|
ELEM_OPT_TLV(0x1e, SGSAP_PDU_TYPE, DE_SGSAP_LCS_INDIC, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* LCS client identity LCS client identity 9.4.9 O TLV 3-n */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_OPT_TLV(0x1d, NAS_PDU_TYPE_EMM, DE_EMM_LCS_CLIENT_ID, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* Channel needed Channel needed 9.4.23 O TLV 3 */
|
2011-01-21 14:03:42 +00:00
|
|
|
ELEM_OPT_TLV(0x05, GSM_A_PDU_TYPE_BSSMAP, BE_CHAN_NEEDED, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* eMLPP Priority eMLPP Priority 9.4.24 O TLV 3 */
|
2011-01-21 14:03:42 +00:00
|
|
|
ELEM_OPT_TLV(0x06, GSM_A_PDU_TYPE_BSSMAP, BE_EMLPP_PRIO, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.15 SGsAP-RESET-ACK message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_reset_ack(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* MME name MME name 9.4.13 C TLV 57 */
|
|
|
|
ELEM_OPT_TLV(0x09, SGSAP_PDU_TYPE, DE_SGSAP_MME_NAME, NULL);
|
|
|
|
/* VLR name VLR name 9.4.22 C TLV 3-n */
|
|
|
|
ELEM_OPT_TLV(0x02, SGSAP_PDU_TYPE, DE_SGSAP_VLR_NAME, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.16 SGsAP-RESET-INDICATION message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_reset_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* MME name MME name 9.4.13 C TLV 57 */
|
|
|
|
ELEM_OPT_TLV(0x09, SGSAP_PDU_TYPE, DE_SGSAP_MME_NAME, NULL);
|
|
|
|
/* VLR name VLR name 9.4.22 C TLV 3-n */
|
|
|
|
ELEM_OPT_TLV(0x02, SGSAP_PDU_TYPE, DE_SGSAP_VLR_NAME, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.17 SGsAP-SERVICE-REQUEST message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_service_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/*IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* Service indicator Service indicator 9.4.17 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x20, SGSAP_PDU_TYPE, DE_SGSAP_SERV_INDIC, NULL);
|
|
|
|
/* IMEISV IMEISV 9.4.5 O TLV 10 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x15, SGSAP_PDU_TYPE, DE_SGSAP_IMEISV, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* UE Time Zone UE Time Zone 9.4.21b O TLV 3 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x21, GSM_A_PDU_TYPE_DTAP, DE_TIME_ZONE, " - UE Time Zone");
|
2010-12-26 21:06:08 +00:00
|
|
|
/* Mobile Station Classmark 2 Mobile Station Classmark 2 9.4.14a O TLV 5 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_OPT_TLV(0x22 ,GSM_A_PDU_TYPE_COMMON, DE_MS_CM_2, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* TAI Tracking Area Identity 9.4.21a O TLV 7 */
|
|
|
|
ELEM_OPT_TLV(0x23, NAS_PDU_TYPE_EMM, DE_EMM_TRAC_AREA_ID, NULL);
|
|
|
|
/* E-CGI E-UTRAN Cell Global Identity 9.4.3a O TLV 9 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x24, SGSAP_PDU_TYPE, DE_SGSAP_ECGI, NULL);
|
2010-12-27 15:15:55 +00:00
|
|
|
/* UE EMM Mode UE EMM mode 9.4.21c O TLV 3 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x25, SGSAP_PDU_TYPE, DE_SGSAP_UE_EMM_MODE, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.18 SGsAP-STATUS message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_status(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 O TLV 6-10 */
|
|
|
|
ELEM_OPT_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* SGs cause SGs cause 9.4.18 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x08, SGSAP_PDU_TYPE, DE_SGSAP_SGS_CAUSE, NULL);
|
|
|
|
/* Erroneous message Erroneous message 9.4.3 M TLV 3-n */
|
|
|
|
ELEM_OPT_TLV(0x1e, SGSAP_PDU_TYPE, DE_SGSAP_ERR_MSG, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.19 SGsAP-TMSI-REALLOCATION-COMPLETE message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_tmsi_realloc_comp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/*IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.20 SGsAP-UE-ACTIVITY-INDICATION message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_ue_act_ind(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.21 SGsAP-UE-UNREACHABLE message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_ue_unreachable(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* SGs cause SGs cause 9.4.18 M TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x08, SGSAP_PDU_TYPE, DE_SGSAP_SGS_CAUSE, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.22 SGsAP-UPLINK-UNITDATA message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_ue_ul_unitdata(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* NAS message container NAS message container 9.4.15 M TLV 4-253 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_MAND_TLV(0x16, SGSAP_PDU_TYPE, DE_SGSAP_NAS_MSG_CONTAINER, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* IMEISV IMEISV 9.4.5 O TLV 10 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x15, SGSAP_PDU_TYPE, DE_SGSAP_IMEISV, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* UE Time Zone UE Time Zone 9.4.21b O TLV 3 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x21, GSM_A_PDU_TYPE_DTAP, DE_TIME_ZONE, " - UE Time Zone");
|
2010-12-26 21:06:08 +00:00
|
|
|
/* Mobile Station Classmark 2 Mobile Station Classmark 2 9.4.14a O TLV 5 */
|
2010-12-27 15:15:55 +00:00
|
|
|
ELEM_OPT_TLV(0x22 ,GSM_A_PDU_TYPE_COMMON, DE_MS_CM_2, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
/* TAI Tracking Area Identity 9.4.21a O TLV 7 */
|
|
|
|
ELEM_OPT_TLV(0x23, NAS_PDU_TYPE_EMM, DE_EMM_TRAC_AREA_ID, NULL);
|
|
|
|
/* E-CGI E-UTRAN Cell Global Identity 9.4.3a O TLV 9 */
|
2011-03-22 09:06:42 +00:00
|
|
|
ELEM_OPT_TLV(0x24, SGSAP_PDU_TYPE, DE_SGSAP_ECGI, NULL);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.23 SGsAP-RELEASE-REQUEST message
|
|
|
|
*/
|
|
|
|
static void
|
2011-04-04 07:45:34 +00:00
|
|
|
sgsap_release_req(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
|
2010-12-26 21:06:08 +00:00
|
|
|
{
|
|
|
|
guint32 curr_offset;
|
|
|
|
guint32 consumed;
|
|
|
|
guint curr_len;
|
|
|
|
|
|
|
|
curr_offset = offset;
|
|
|
|
curr_len = len;
|
|
|
|
|
|
|
|
/* IMSI IMSI 9.4.6 M TLV 6-10 */
|
|
|
|
ELEM_MAND_TLV(0x01, GSM_A_PDU_TYPE_BSSMAP, BE_IMSI, NULL);
|
|
|
|
/* SGs cause SGs cause 9.4.18 O TLV 3 */
|
|
|
|
ELEM_MAND_TLV(0x08, SGSAP_PDU_TYPE, DE_SGSAP_SGS_CAUSE, NULL);
|
|
|
|
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.24 SGsAP-SERVICE-ABORT-REQUEST message
|
|
|
|
*/
|
|
|
|
/* No IE's */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 9.2 Message type
|
|
|
|
*/
|
|
|
|
static const value_string sgsap_msg_strings[] = {
|
|
|
|
{ 0x01, "SGsAP-PAGING-REQUEST"}, /* 8.14 */
|
|
|
|
{ 0x02, "SGsAP-PAGING-REJECT"}, /* 8.13 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 0 0 0 1 1
|
|
|
|
* to
|
|
|
|
* 0 0 0 0 0 1 0 1
|
|
|
|
* Unassigned: treated as an unknown Message type
|
|
|
|
*/
|
|
|
|
{ 0x03, "Unassigned"}, /* 7 */
|
|
|
|
{ 0x04, "Unassigned"}, /* 7 */
|
|
|
|
{ 0x05, "Unassigned"}, /* 7 */
|
|
|
|
|
|
|
|
{ 0x06, "SGsAP-SERVICE-REQUEST"}, /* 8.17 */
|
|
|
|
{ 0x07, "SGsAP-DOWNLINK-UNITDATA"}, /* 8.4 */
|
|
|
|
{ 0x08, "SGsAP-UPLINK-UNITDATA"}, /* 8.22 */
|
|
|
|
{ 0x09, "SGsAP-LOCATION-UPDATE-REQUEST"}, /* 8.11 */
|
|
|
|
{ 0x0a, "SGsAP-LOCATION-UPDATE-ACCEPT"}, /* 8.9 */
|
|
|
|
{ 0x0b, "SGsAP-LOCATION-UPDATE-REJECT"}, /* 8.10 */
|
|
|
|
{ 0x0c, "SGsAP-TMSI-REALLOCATION-COMPLETE"}, /* 8.19 */
|
|
|
|
{ 0x0d, "SGsAP-ALERT-REQUEST"}, /* 8.3 */
|
|
|
|
{ 0x0e, "SGsAP-ALERT-ACK"}, /* 8.1 */
|
|
|
|
{ 0x0f, "SGsAP-ALERT-REJECT"}, /* 8.2 */
|
|
|
|
{ 0x10, "SGsAP-UE-ACTIVITY-INDICATION"}, /* 8.20 */
|
|
|
|
{ 0x11, "SGsAP-EPS-DETACH-INDICATION"}, /* 8.6 */
|
|
|
|
{ 0x12, "SGsAP-EPS-DETACH-ACK"}, /* 8.5 */
|
|
|
|
{ 0x13, "SGsAP-IMSI-DETACH-INDICATION"}, /* 8.8 */
|
|
|
|
{ 0x14, "SGsAP-IMSI-DETACH-ACK"}, /* 8.7 */
|
|
|
|
{ 0x15, "SGsAP-RESET-INDICATION"}, /* 8.16 */
|
|
|
|
{ 0x16, "SGsAP-RESET-ACK"}, /* 8.15 */
|
|
|
|
{ 0x17, "SGsAP-SERVICE-ABORT-REQUEST"}, /* 8.24 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 1 1 0 0 0
|
|
|
|
* to
|
|
|
|
* 0 0 0 1 1 0 0 1
|
|
|
|
* Unassigned: treated as an unknown Message type
|
|
|
|
*/
|
|
|
|
{ 0x18, "Unassigned"},
|
|
|
|
{ 0x19, "Unassigned"},
|
|
|
|
|
|
|
|
{ 0x1a, "SGsAP-MM-INFORMATION-REQUEST"}, /* 8.12 */
|
|
|
|
{ 0x1b, "SGsAP-RELEASE-REQUEST"}, /* 8.23 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 1 1 1 0 0 Unassigned: treated as an unknown Message type 7
|
|
|
|
*/
|
|
|
|
{ 0x1c, "Unassigned"}, /* 8.12 */
|
|
|
|
|
|
|
|
{ 0x1d, "SGsAP-STATUS"}, /* 8.18 */
|
|
|
|
{ 0x1e, "Unassigned"},
|
|
|
|
{ 0x1f, "SGsAP-UE-UNREACHABLE"}, /* 8.21 */
|
|
|
|
{ 0, NULL }
|
|
|
|
};
|
2010-12-27 15:15:55 +00:00
|
|
|
static value_string_ext sgsap_msg_strings_ext = VALUE_STRING_EXT_INIT(sgsap_msg_strings);
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
#define NUM_SGSAP_MSG (sizeof(sgsap_msg_strings)/sizeof(value_string))
|
|
|
|
static gint ett_sgsap_msg[NUM_SGSAP_MSG];
|
2011-04-04 07:45:34 +00:00
|
|
|
static void (*sgsap_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len) = {
|
2010-12-26 21:06:08 +00:00
|
|
|
sgsap_paging_req, /* 0x01, "SGsAP-PAGING-REQUEST" 8.14 */
|
|
|
|
sgsap_paging_rej, /* 0x02, "SGsAP-PAGING-REJECT" 8.13 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 0 0 0 1 1
|
|
|
|
* to
|
|
|
|
* 0 0 0 0 0 1 0 1
|
|
|
|
* Unassigned: treated as an unknown Message type
|
|
|
|
*/
|
|
|
|
NULL, /* 0x03, "Unassigned" 7 */
|
|
|
|
NULL, /* 0x04, "Unassigned" 7 */
|
|
|
|
NULL, /* 0x05, "Unassigned" 7 */
|
|
|
|
|
|
|
|
sgsap_service_req, /* 0x06, "SGsAP-SERVICE-REQUEST" 8.17 */
|
|
|
|
sgsap_dl_unitdata, /* 0x07, "SGsAP-DOWNLINK-UNITDATA" 8.4 */
|
|
|
|
sgsap_ue_ul_unitdata, /* 0x08, "SGsAP-UPLINK-UNITDATA" 8.22 */
|
|
|
|
sgsap_imsi_loc_update_req, /* 0x09, "SGsAP-LOCATION-UPDATE-REQUEST" 8.11 */
|
|
|
|
sgsap_imsi_loc_update_acc, /* 0x0a, "SGsAP-LOCATION-UPDATE-ACCEPT" 8.9 */
|
|
|
|
sgsap_imsi_loc_update_rej, /* 0x0b, "SGsAP-LOCATION-UPDATE-REJECT" 8.10 */
|
|
|
|
sgsap_tmsi_realloc_comp, /* 0x0c, "SGsAP-TMSI-REALLOCATION-COMPLETE" 8.19 */
|
|
|
|
sgsap_alert_req, /* 0x0d, "SGsAP-ALERT-REQUEST" 8.3 */
|
|
|
|
sgsap_alert_ack, /* 0x0e, "SGsAP-ALERT-ACK" 8.1 */
|
|
|
|
sgsap_alert_rej, /* 0x0f, "SGsAP-ALERT-REJECT" 8.2 */
|
|
|
|
sgsap_ue_act_ind, /* 0x10, "SGsAP-UE-ACTIVITY-INDICATION" 8.20 */
|
|
|
|
sgsap_eps_det_ind, /* 0x11, "SGsAP-EPS-DETACH-INDICATION" 8.6 */
|
|
|
|
sgsap_eps_det_ack, /* 0x12, "SGsAP-EPS-DETACH-ACK" 8.5 */
|
|
|
|
sgsap_imsi_det_ind, /* 0x13, "SGsAP-IMSI-DETACH-INDICATION" 8.8 */
|
|
|
|
sgsap_imsi_det_ack, /* 0x14, "SGsAP-IMSI-DETACH-ACK" 8.7 */
|
|
|
|
sgsap_reset_ind, /* 0x15, "SGsAP-RESET-INDICATION" 8.16 */
|
|
|
|
sgsap_reset_ack, /* 0x16, "SGsAP-RESET-ACK" 8.15 */
|
|
|
|
NULL,/* No IE's */ /* 0x17, "SGsAP-SERVICE-ABORT-REQUEST" 8.24 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 1 1 0 0 0
|
|
|
|
* to
|
|
|
|
* 0 0 0 1 1 0 0 1
|
|
|
|
* Unassigned: treated as an unknown Message type
|
|
|
|
*/
|
|
|
|
NULL, /* 0x18, "Unassigned" */
|
|
|
|
NULL, /* 0x19, "Unassigned" */
|
|
|
|
|
|
|
|
sgsap_mm_info_req, /* 0x1a, "SGsAP-MM-INFORMATION-REQUEST" 8.12 */
|
|
|
|
sgsap_release_req, /* 0x1b, "SGsAP-RELEASE-REQUEST" 8.23 */
|
|
|
|
/*
|
|
|
|
* 0 0 0 1 1 1 0 0 Unassigned: treated as an unknown Message type 7
|
|
|
|
*/
|
|
|
|
NULL, /* 0x1c, "Unassigned" */
|
|
|
|
|
|
|
|
sgsap_status, /* 0x1d, "SGsAP-STATUS" 8.18 */
|
|
|
|
NULL, /* 0x1e, "Unassigned" */
|
|
|
|
sgsap_ue_unreachable, /* 0x1f, "SGsAP-UE-UNREACHABLE" 8.21 */
|
|
|
|
|
|
|
|
NULL, /* NONE */
|
|
|
|
};
|
|
|
|
|
|
|
|
void get_sgsap_msg_params(guint8 oct, const gchar **msg_str, int *ett_tree, int *hf_idx, msg_fcn *msg_fcn)
|
|
|
|
{
|
|
|
|
gint idx;
|
|
|
|
|
2011-01-21 14:03:42 +00:00
|
|
|
*msg_str = match_strval_idx_ext((guint32) (oct & 0xff), &sgsap_msg_strings_ext, &idx);
|
2010-12-26 21:06:08 +00:00
|
|
|
*ett_tree = ett_sgsap_msg[idx];
|
|
|
|
*hf_idx = hf_sgsap_msg_type;
|
|
|
|
*msg_fcn = sgsap_msg_fcn[idx];
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_sgsap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
|
|
{
|
|
|
|
proto_item *item;
|
|
|
|
proto_tree *sgsap_tree;
|
|
|
|
int offset = 0;
|
|
|
|
guint32 len;
|
|
|
|
const gchar *msg_str;
|
|
|
|
gint ett_tree;
|
|
|
|
int hf_idx;
|
2011-04-04 07:45:34 +00:00
|
|
|
void (*msg_fcn)(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len);
|
2010-12-26 21:06:08 +00:00
|
|
|
guint8 oct;
|
|
|
|
|
2010-12-27 15:15:55 +00:00
|
|
|
/* Save pinfo */
|
|
|
|
gpinfo = pinfo;
|
2010-12-26 21:06:08 +00:00
|
|
|
len = tvb_length(tvb);
|
|
|
|
|
|
|
|
/* Make entry in the Protocol column on summary display */
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, PSNAME);
|
|
|
|
|
|
|
|
item = proto_tree_add_item(tree, proto_sgsap, tvb, 0, -1, FALSE);
|
|
|
|
sgsap_tree = proto_item_add_subtree(item, ett_sgsap);
|
|
|
|
|
|
|
|
/* Messge type IE*/
|
|
|
|
oct = tvb_get_guint8(tvb,offset);
|
|
|
|
msg_fcn = NULL;
|
|
|
|
ett_tree = -1;
|
|
|
|
hf_idx = -1;
|
|
|
|
msg_str = NULL;
|
|
|
|
|
|
|
|
get_sgsap_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn);
|
|
|
|
|
|
|
|
if(msg_str){
|
|
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s", msg_str);
|
|
|
|
}else{
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 1,"Unknown message 0x%x",oct);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Add SGSAP message name
|
|
|
|
*/
|
2011-02-03 16:36:22 +00:00
|
|
|
proto_tree_add_item(sgsap_tree, hf_idx, tvb, offset, 1, FALSE);
|
2010-12-26 21:06:08 +00:00
|
|
|
offset++;
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* decode elements
|
|
|
|
*/
|
|
|
|
if (msg_fcn == NULL)
|
|
|
|
{
|
2011-02-03 16:36:22 +00:00
|
|
|
proto_tree_add_text(sgsap_tree, tvb, offset, len - offset,
|
2010-12-26 21:06:08 +00:00
|
|
|
"Message Elements");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2011-04-04 07:45:34 +00:00
|
|
|
(*msg_fcn)(tvb, sgsap_tree, pinfo, offset, len - offset);
|
2010-12-26 21:06:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void proto_register_sgsap(void) {
|
2011-02-03 18:15:56 +00:00
|
|
|
guint i;
|
|
|
|
guint last_offset;
|
2010-12-26 21:06:08 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
/* List of fields */
|
2010-12-26 21:06:08 +00:00
|
|
|
|
|
|
|
static hf_register_info hf[] = {
|
2011-02-03 18:15:56 +00:00
|
|
|
{ &hf_sgsap_msg_type,
|
|
|
|
{ "SGSAP Message Type", "sgsap.msg_type",
|
|
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, &sgsap_msg_strings_ext, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_elem_id,
|
|
|
|
{ "Element ID", "sgsap.elem_id",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_eps_location_update_type,
|
|
|
|
{ "EPS location update type", "sgsap.eps_location_update_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(sgsap_eps_location_update_type_values),0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_service_indicator_value,
|
|
|
|
{ "Service indicator", "sgsap.service_indicator",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(sgsap_service_indicator_values),0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_sgs_cause,
|
|
|
|
{ "SGs cause", "sgsap.sgs_cause",
|
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &sgsap_sgs_cause_values_ext,0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_ue_emm_mode,
|
|
|
|
{ "UE EMM mode", "sgsap.ue_emm_mode",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(sgsap_ue_emm_mode_values),0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_eci,
|
|
|
|
{"ECI (E-UTRAN Cell Identifier)", "sgsap.eci",
|
2010-12-27 15:15:55 +00:00
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0fffffff,
|
|
|
|
NULL, HFILL}
|
2011-02-03 18:15:56 +00:00
|
|
|
},
|
2011-05-10 07:58:33 +00:00
|
|
|
{ &hf_sgsap_cn_id,
|
|
|
|
{"CN_ID", "sgsap.cn_id",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
2011-02-03 18:15:56 +00:00
|
|
|
{ &hf_sgsap_imsi_det_eps,
|
|
|
|
{ "IMSI detach from EPS service type", "sgsap.imsi_det_eps",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(sgsap_imsi_det_from_eps_serv_type_values),0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_lcs_indic,
|
|
|
|
{ "LCS indicator", "sgsap.lcs_indicator",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(sgsap_lcs_indic_values),0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_sgsap_mme_name,
|
2011-02-03 16:36:22 +00:00
|
|
|
{"MME name", "sgsap.mme_name",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2011-02-03 18:15:56 +00:00
|
|
|
},
|
|
|
|
{ &hf_sgsap_vlr_name,
|
2011-02-03 16:36:22 +00:00
|
|
|
{"VLR name", "sgsap.mme_name",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2011-03-22 09:06:42 +00:00
|
|
|
},
|
|
|
|
{ &hf_sgsap_imeisv,
|
|
|
|
{"IMEISV", "sgsap.imeisv",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2011-02-03 18:15:56 +00:00
|
|
|
},
|
2010-12-26 21:06:08 +00:00
|
|
|
};
|
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
/* Setup protocol subtree array */
|
2010-12-26 21:06:08 +00:00
|
|
|
#define NUM_INDIVIDUAL_ELEMS 1
|
2011-02-03 18:15:56 +00:00
|
|
|
gint *ett[NUM_INDIVIDUAL_ELEMS +
|
|
|
|
NUM_SGSAP_ELEM +
|
|
|
|
NUM_SGSAP_MSG];
|
|
|
|
|
|
|
|
ett[0] = &ett_sgsap;
|
|
|
|
|
|
|
|
last_offset = NUM_INDIVIDUAL_ELEMS;
|
|
|
|
|
|
|
|
for (i=0; i < NUM_SGSAP_ELEM; i++, last_offset++)
|
|
|
|
{
|
|
|
|
ett_sgsap_elem[i] = -1;
|
|
|
|
ett[last_offset] = &ett_sgsap_elem[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i=0; i < NUM_SGSAP_MSG; i++, last_offset++)
|
|
|
|
{
|
|
|
|
ett_sgsap_msg[i] = -1;
|
|
|
|
ett[last_offset] = &ett_sgsap_msg[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register protocol */
|
|
|
|
proto_sgsap = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
|
|
/* Register fields and subtrees */
|
|
|
|
proto_register_field_array(proto_sgsap, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
2010-12-26 21:06:08 +00:00
|
|
|
|
2011-02-03 18:15:56 +00:00
|
|
|
/* Register dissector */
|
|
|
|
register_dissector(PFNAME, dissect_sgsap, proto_sgsap);
|
2010-12-26 21:06:08 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_reg_handoff_sgsap(void)
|
|
|
|
{
|
2011-02-03 18:15:56 +00:00
|
|
|
/* The registered SCTP port number for SGsAP is 29118.
|
2010-12-26 21:06:08 +00:00
|
|
|
* The payload protocol identifier to be used for SGsAP is 0.
|
2011-02-03 18:15:56 +00:00
|
|
|
*/
|
|
|
|
static gboolean Initialized=FALSE;
|
|
|
|
static dissector_handle_t sgsap_handle;
|
|
|
|
static guint SctpPort;
|
|
|
|
|
|
|
|
sgsap_handle = find_dissector("sgsap");
|
|
|
|
gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
|
|
|
|
|
|
|
|
if (!Initialized) {
|
|
|
|
dissector_add_handle("sctp.port", sgsap_handle); /* for "decode-as" */
|
|
|
|
Initialized=TRUE;
|
|
|
|
} else {
|
|
|
|
if (SctpPort != 0) {
|
|
|
|
dissector_delete_uint("sctp.port", SctpPort, sgsap_handle);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
SctpPort=gbl_sgsapSctpPort;
|
|
|
|
if (SctpPort != 0) {
|
|
|
|
dissector_add_uint("sctp.port", SctpPort, sgsap_handle);
|
|
|
|
}
|
2010-12-26 21:06:08 +00:00
|
|
|
}
|