forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
ANSI and GSM MAP stats enhancements and cleanups; enhanced parameter dissection related to SS for GSM A-interface and MAP; minor GSM SMS fix; GSM SS enhancements for parameter dissection; MTP3 statistics tap. svn path=/trunk/; revision=10655
2491 lines
60 KiB
C
2491 lines
60 KiB
C
/* packet-gsm_ss.c
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* Routines for GSM Supplementary Services dissection
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*
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* NOTE:
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* Routines are shared by GSM MAP/GSM A dissectors.
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* This file provides SHARED routines and is NOT a
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* standalone dissector.
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*
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* Copyright 2004, Michael Lum <mlum [AT] telostech.com>
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* In association with Telos Technology Inc.
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*
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* Title 3GPP Other
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*
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* Reference [1]
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* Mobile radio Layer 3 supplementary service specification;
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* Formats and coding
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* (3GPP TS 24.080 version 4.3.0 Release 4)
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*
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* Michael Lum <mlum [AT] telostech.com>,
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* Created (2004).
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*
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* $Id: packet-gsm_ss.c,v 1.3 2004/04/21 05:53:56 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-gsm_map.c (where "WHATEVER_FILE_YOU_USED"
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* is a dissector file; if you just copied this from README.developer,
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* don't bother with the "Copied from" - you don't even need to put
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* in a "Copied from" if you copied an existing dissector, especially
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* if the bulk of the code in the new dissector is your code)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "epan/packet.h"
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#include "tap.h"
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#include "asn1.h"
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#include "packet-tcap.h"
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#include "packet-gsm_sms.h"
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#include "packet-gsm_ss.h"
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const value_string gsm_ss_err_code_strings[] = {
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{ 1, "Unknown Subscriber" },
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{ 3, "Unknown MSC" },
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{ 5, "Unidentified Subscriber" },
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{ 6, "Absent Subscriber SM" },
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{ 7, "Unknown Equipment" },
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{ 8, "Roaming Not Allowed" },
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{ 9, "Illegal Subscriber" },
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{ 10, "Bearer Service Not Provisioned" },
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{ 11, "Teleservice Not Provisioned" },
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{ 12, "Illegal Equipment" },
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{ 13, "Call Barred" },
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{ 14, "Forwarding Violation" },
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{ 15, "CUG Reject" },
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{ 16, "Illegal SS Operation" },
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{ 17, "SS Error Status" },
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{ 18, "SS Not Available" },
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{ 19, "SS Subscription Violation" },
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{ 20, "SS Incompatibility" },
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{ 21, "Facility Not Supported" },
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{ 25, "No Handover Number Available" },
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{ 26, "Subsequent Handover Failure" },
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{ 27, "Absent Subscriber" },
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{ 28, "Incompatible Terminal" },
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{ 29, "Short Term Denial" },
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{ 30, "Long Term Denial" },
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{ 31, "Subscriber Busy For MT SMS" },
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{ 32, "SM Delivery Failure" },
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{ 33, "Message Waiting List Full" },
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{ 34, "System Failure" },
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{ 35, "Data Missing" },
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{ 36, "Unexpected Data Value" },
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{ 37, "PW Registration Failure" },
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{ 38, "Negative PW Check" },
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{ 39, "No Roaming Number Available" },
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{ 40, "Tracing Buffer Full" },
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{ 42, "Target Cell Outside Group Call Area" },
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{ 43, "Number Of PW Attempts Violation" },
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{ 44, "Number Changed" },
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{ 45, "Busy Subscriber" },
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{ 46, "No Subscriber Reply" },
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{ 47, "Forwarding Failed" },
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{ 48, "OR Not Allowed" },
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{ 49, "ATI Not Allowed" },
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{ 50, "No Group Call Number Available" },
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{ 51, "Resource Limitation" },
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{ 52, "Unauthorized Requesting Network" },
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{ 53, "Unauthorized LCS Client" },
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{ 54, "Position Method Failure" },
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{ 58, "Unknown Or Unreachable LCS Client" },
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{ 59, "MM Event Not Supported" },
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{ 60, "ATSI Not Allowed" },
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{ 61, "ATM Not Allowed" },
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{ 62, "Information Not Available" },
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{ 71, "Unknown Alphabet" },
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{ 72, "USSD Busy" },
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{ 120, "Nbr Sb Exceeded" },
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{ 121, "Rejected By User" },
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{ 122, "Rejected By Network" },
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{ 123, "Deflection To Served Subscriber" },
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{ 124, "Special Service Code" },
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{ 125, "Invalid Deflected To Number" },
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{ 126, "Max Number Of MPTY Participants Exceeded" },
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{ 127, "Resources Not Available" },
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{ 0, NULL }
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};
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const value_string gsm_ss_opr_code_strings[] = {
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{ 10, "Register SS" },
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{ 11, "Erase SS" },
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{ 12, "Activate SS" },
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{ 13, "Deactivate SS" },
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{ 14, "Interrogate SS" },
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{ 16, "Notify SS" },
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{ 17, "Register Password" },
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{ 18, "Get Password" },
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{ 19, "Process Unstructured SS Data" },
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{ 38, "Forward Check SS Indication" },
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{ 59, "Process Unstructured SS Request" },
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{ 60, "Unstructured SS Request" },
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{ 61, "Unstructured SS Notify" },
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{ 77, "Erase CC Entry" },
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{ 117, "Call Deflection" },
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{ 118, "User User Service" },
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{ 119, "Access Register CC Entry" },
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{ 120, "Forward CUG Info" },
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{ 121, "Split MPTY" },
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{ 122, "Retrieve MPTY" },
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{ 123, "Hold MPTY" },
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{ 124, "Build MPTY" },
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{ 125, "Forward Charge Advice" },
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{ 126, "Explicit CT" },
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{ 116, "LCS Location Notification" },
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{ 115, "LCS MOLR" },
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{ 0, NULL }
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};
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/* never initialize in field array */
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static int hf_null = -1;
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#define HF_NULL &hf_null
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gint gsm_ss_ett[NUM_GSM_SS_ETT]; /* initialization is left to users */
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static gboolean gsm_ss_seven_bit = FALSE;
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static gboolean gsm_ss_eight_bit = FALSE;
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static gboolean gsm_ss_ucs2 = FALSE;
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static gboolean gsm_ss_compressed = FALSE;
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typedef struct dgt_set_t
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{
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unsigned char out[15];
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}
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dgt_set_t;
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#ifdef MLUM
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static dgt_set_t Dgt_tbcd = {
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{
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e */
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'0','1','2','3','4','5','6','7','8','9','?','B','C','*','#'
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}
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};
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#endif
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static dgt_set_t Dgt_msid = {
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{
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/* 0 1 2 3 4 5 6 7 8 9 a b c d e */
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'0','1','2','3','4','5','6','7','8','9','?','?','?','?','?'
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}
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};
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/* FORWARD DECLARATIONS */
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static void op_generic_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len);
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/* GENERIC HELPER FUNCTIONS */
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/*
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* Unpack BCD input pattern into output ASCII pattern
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*
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* Input Pattern is supplied using the same format as the digits
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*
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* Returns: length of unpacked pattern
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*/
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static int
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my_dgt_tbcd_unpack(
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char *out, /* ASCII pattern out */
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guchar *in, /* packed pattern in */
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int num_octs, /* Number of octets to unpack */
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dgt_set_t *dgt /* Digit definitions */
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)
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{
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int cnt = 0;
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unsigned char i;
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while (num_octs)
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{
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/*
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* unpack first value in byte
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*/
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i = *in++;
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*out++ = dgt->out[i & 0x0f];
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cnt++;
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/*
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* unpack second value in byte
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*/
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i >>= 4;
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if (i == 0x0f) /* odd number bytes - hit filler */
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break;
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*out++ = dgt->out[i];
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cnt++;
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num_octs--;
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}
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*out = '\0';
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return(cnt);
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}
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static gchar *
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my_match_strval(guint32 val, const value_string *vs, gint *idx)
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{
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gint i = 0;
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while (vs[i].strptr) {
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if (vs[i].value == val)
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{
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*idx = i;
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return(vs[i].strptr);
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}
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i++;
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}
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*idx = -1;
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return(NULL);
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}
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/* PARAMETER dissection */
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void
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param_AddressString(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
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{
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guint saved_offset;
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gint32 value;
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guchar *poctets;
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gchar *str = NULL;
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char bigbuf[1024];
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saved_offset = asn1->offset;
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asn1_int32_value_decode(asn1, 1, &value);
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other_decode_bitfield_value(bigbuf, value, 0x80, 8);
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proto_tree_add_text(tree, asn1->tvb,
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saved_offset, 1,
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"%s : %sxtension",
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bigbuf, (value & 0x80) ? "No E" : "E");
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switch ((value & 0x70) >> 4)
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{
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case 0x00: str = "unknown"; break;
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case 0x01: str = "International Number"; break;
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case 0x02: str = "National Significant Number"; break;
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case 0x03: str = "Network Specific Number"; break;
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case 0x04: str = "Subscriber Number"; break;
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case 0x05: str = "Reserved"; break;
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case 0x06: str = "Abbreviated Number"; break;
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case 0x07: str = "Reserved for extension"; break;
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}
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other_decode_bitfield_value(bigbuf, value, 0x70, 8);
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proto_tree_add_text(tree, asn1->tvb,
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saved_offset, asn1->offset - saved_offset,
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"%s : %s",
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bigbuf, str);
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switch (value & 0x0f)
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{
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case 0x00: str = "unknown"; break;
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case 0x01: str = "ISDN/Telephony Numbering (Rec ITU-T E.164)"; break;
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case 0x02: str = "spare"; break;
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case 0x03: str = "Data Numbering (ITU-T Rec. X.121)"; break;
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case 0x04: str = "Telex Numbering (ITU-T Rec. F.69)"; break;
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case 0x05: str = "spare"; break;
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case 0x06: str = "Land Mobile Numbering (ITU-T Rec. E.212)"; break;
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case 0x07: str = "spare"; break;
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case 0x08: str = "National Numbering"; break;
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case 0x09: str = "Private Numbering"; break;
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case 0x0f: str = "Reserved for extension"; break;
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default:
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str = "Reserved";
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break;
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}
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other_decode_bitfield_value(bigbuf, value, 0x0f, 8);
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proto_tree_add_text(tree, asn1->tvb,
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saved_offset, asn1->offset - saved_offset,
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"%s : %s",
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bigbuf, str);
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saved_offset = asn1->offset;
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asn1_string_value_decode(asn1, len - 1, &poctets);
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my_dgt_tbcd_unpack(bigbuf, poctets, len - 1, &Dgt_msid);
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g_free(poctets);
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if (hf_field == -1)
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{
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proto_tree_add_text(tree, asn1->tvb,
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saved_offset, len - 1, "BCD Digits %s", bigbuf);
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}
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else
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{
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proto_tree_add_string_format(tree, hf_field, asn1->tvb,
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saved_offset, len - 1, bigbuf, "BCD Digits %s", bigbuf);
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}
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}
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static void
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param_ssCode(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
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{
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guint saved_offset;
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gint32 value;
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gchar *str = NULL;
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hf_field = hf_field;
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saved_offset = asn1->offset;
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asn1_int32_value_decode(asn1, len, &value);
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switch (value)
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{
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case 0x00:
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str = "allSS - all SS";
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break;
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case 0x10:
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str = "allLineIdentificationSS - all line identification SS";
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break;
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case 0x11:
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str = "clip - calling line identification presentation";
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break;
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case 0x12:
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str = "clir - calling line identification restriction";
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break;
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case 0x13:
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str = "colp - connected line identification presentation";
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break;
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case 0x14:
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str = "colr - connected line identification restriction";
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break;
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case 0x15:
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str = "mci - malicious call identification";
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break;
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case 0x18:
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str = "allNameIdentificationSS - all name indentification SS";
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break;
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case 0x19:
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str = "cnap - calling name presentation";
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break;
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case 0x20:
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str = "allForwardingSS - all forwarding SS";
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break;
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case 0x21:
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str = "cfu - call forwarding unconditional";
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break;
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case 0x28:
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str = "allCondForwardingSS - all conditional forwarding SS";
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break;
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case 0x29:
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str = "cfb - call forwarding busy";
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break;
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case 0x2a:
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str = "cfnry - call forwarding on no reply";
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break;
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case 0x2b:
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str = "cfnrc - call forwarding on mobile subscriber not reachable";
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break;
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case 0x24:
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str = "cd - call deflection";
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break;
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case 0x30:
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str = "allCallOfferingSS - all call offering SS includes also all forwarding SS";
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break;
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case 0x31:
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str = "ect - explicit call transfer";
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break;
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case 0x32:
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str = "mah - mobile access hunting";
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break;
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case 0x40:
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str = "allCallCompletionSS - all Call completion SS";
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break;
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case 0x41:
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str = "cw - call waiting";
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break;
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case 0x42:
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str = "hold - call hold";
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break;
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case 0x43:
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str = "ccbs-A - completion of call to busy subscribers, originating side";
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break;
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case 0x44:
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str = "ccbs-B - completion of call to busy subscribers, destination side";
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break;
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case 0x45:
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str = "mc - multicall";
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break;
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case 0x50:
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str = "allMultiPartySS - all multiparty SS";
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break;
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case 0x51:
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str = "multiPTY - multiparty";
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break;
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case 0x60:
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str = "allCommunityOfInterestSS - all community of interest SS";
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break;
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case 0x61:
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str = "cug - closed user group";
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break;
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case 0x70:
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str = "allChargingSS - all charging SS";
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break;
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case 0x71:
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str = "aoci - advice of charge information";
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break;
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case 0x72:
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str = "aocc - advice of charge charging";
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break;
|
|
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case 0x80:
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str = "allAdditionalInfoTransferSS - all additional information transfer SS";
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break;
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case 0x81:
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str = "uus1 - UUS1 user-to-user signalling";
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break;
|
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case 0x82:
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str = "uus2 - UUS2 user-to-user signalling";
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break;
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case 0x83:
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str = "uus3 - UUS3 user-to-user signalling";
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break;
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case 0x90:
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str = "allBarringSS - all barring SS";
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break;
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case 0x91:
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str = "barringOfOutgoingCalls";
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break;
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case 0x92:
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str = "baoc - barring of all outgoing calls";
|
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break;
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|
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case 0x93:
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str = "boic - barring of outgoing international calls";
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break;
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case 0x94:
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str = "boicExHC - barring of outgoing international calls except those directed to the home PLMN";
|
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break;
|
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|
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case 0x99:
|
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str = "barringOfIncomingCalls";
|
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break;
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|
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case 0x9a:
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str = "baic - barring of all incoming calls";
|
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break;
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case 0x9b:
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str = "bicRoam - barring of incoming calls when roaming outside home PLMN Country";
|
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break;
|
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|
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case 0xf0:
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str = "allPLMN-specificSS";
|
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break;
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|
|
|
case 0xa0:
|
|
str = "allCallPrioritySS - all call priority SS";
|
|
break;
|
|
|
|
case 0xa1:
|
|
str = "emlpp - enhanced Multilevel Precedence Pre-emption (EMLPP) service";
|
|
break;
|
|
|
|
case 0xb0:
|
|
str = "allLCSPrivacyException - all LCS Privacy Exception Classes";
|
|
break;
|
|
|
|
case 0xb1:
|
|
str = "universal - allow location by any LCS client";
|
|
break;
|
|
|
|
case 0xb2:
|
|
str = "callrelated - allow location by any value added LCS client to which a call is established from the target MS";
|
|
break;
|
|
|
|
case 0xb3:
|
|
str = "callunrelated - allow location by designated external value added LCS clients";
|
|
break;
|
|
|
|
case 0xb4:
|
|
str = "plmnoperator - allow location by designated PLMN operator LCS clients";
|
|
break;
|
|
|
|
case 0xc0:
|
|
str = "allMOLR-SS - all Mobile Originating Location Request Classes";
|
|
break;
|
|
|
|
case 0xc1:
|
|
str = "basicSelfLocation - allow an MS to request its own location";
|
|
break;
|
|
|
|
case 0xc2:
|
|
str = "autonomousSelfLocation - allow an MS to perform self location without interaction with the PLMN for a predetermined period of time";
|
|
break;
|
|
|
|
case 0xc3:
|
|
str = "transferToThirdParty - allow an MS to request transfer of its location to another LCS client";
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* XXX
|
|
*/
|
|
str = "reserved for future use";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, str);
|
|
}
|
|
|
|
/*
|
|
* See GSM 03.11
|
|
*/
|
|
static void
|
|
param_ssStatus(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
char bigbuf[1024];
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, len, &value);
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0xf0, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Unused",
|
|
bigbuf);
|
|
|
|
/*
|
|
* Q bit is valid only if A bit is "Active"
|
|
*/
|
|
other_decode_bitfield_value(bigbuf, value, 0x08, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Q bit: %s",
|
|
bigbuf,
|
|
(value & 0x01) ?
|
|
((value & 0x08) ? "Quiescent" : "Operative") : "N/A");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x04, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : P bit: %sProvisioned",
|
|
bigbuf,
|
|
(value & 0x04) ? "" : "Not ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x02, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : R bit: %sRegistered",
|
|
bigbuf,
|
|
(value & 0x02) ? "" : "Not ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x01, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : A bit: %sActive",
|
|
bigbuf,
|
|
(value & 0x01) ? "" : "Not ");
|
|
}
|
|
|
|
static void
|
|
param_bearerservice(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
gchar *str = NULL;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, len, &value);
|
|
|
|
switch (value)
|
|
{
|
|
case 0x00: str = "allBearerServices"; break;
|
|
case 0x10: str = "allDataCDA-Services"; break;
|
|
case 0x11: str = "dataCDA-300bps"; break;
|
|
case 0x12: str = "dataCDA-1200bps"; break;
|
|
case 0x13: str = "dataCDA-1200-75bps"; break;
|
|
case 0x14: str = "dataCDA-2400bps"; break;
|
|
case 0x15: str = "dataCDA-4800bps"; break;
|
|
case 0x16: str = "dataCDA-9600bps"; break;
|
|
case 0x17: str = "general-dataCDA"; break;
|
|
case 0x18: str = "allDataCDS-Services"; break;
|
|
case 0x1a: str = "dataCDS-1200bps"; break;
|
|
case 0x1c: str = "dataCDS-2400bps"; break;
|
|
case 0x1d: str = "dataCDS-4800bps"; break;
|
|
case 0x1e: str = "dataCDS-9600bps"; break;
|
|
case 0x1f: str = "general-dataCDS"; break;
|
|
|
|
case 0x20: str = "allPadAccessCA-Services"; break;
|
|
case 0x21: str = "padAccessCA-300bps"; break;
|
|
case 0x22: str = "padAccessCA-1200bps"; break;
|
|
case 0x23: str = "padAccessCA-1200-75bps"; break;
|
|
case 0x24: str = "padAccessCA-2400bps"; break;
|
|
case 0x25: str = "padAccessCA-4800bps"; break;
|
|
case 0x26: str = "padAccessCA-9600bps"; break;
|
|
case 0x27: str = "general-padAccessCA"; break;
|
|
case 0x28: str = "allDataPDS-Services"; break;
|
|
case 0x2c: str = "dataPDS-2400bps"; break;
|
|
case 0x2d: str = "dataPDS-4800bps"; break;
|
|
case 0x2e: str = "dataPDS-9600bps"; break;
|
|
case 0x2f: str = "general-dataPDS"; break;
|
|
|
|
case 0x30: str = "allAlternateSpeech-DataCDA"; break;
|
|
case 0x38: str = "allAlternateSpeech-DataCDS"; break;
|
|
case 0x40: str = "allSpeechFollowedByDataCDA"; break;
|
|
case 0x48: str = "allSpeechFollowedByDataCDS"; break;
|
|
|
|
case 0x50: str = "allDataCircuitAsynchronous"; break;
|
|
case 0x60: str = "allAsynchronousServices"; break;
|
|
case 0x58: str = "allDataCircuitSynchronous"; break;
|
|
case 0x68: str = "allSynchronousServices"; break;
|
|
|
|
case 0xd0: str = "allPLMN-specificBS"; break;
|
|
case 0xd1: str = "plmn-specificBS-1"; break;
|
|
case 0xd2: str = "plmn-specificBS-2"; break;
|
|
case 0xd3: str = "plmn-specificBS-3"; break;
|
|
case 0xd4: str = "plmn-specificBS-4"; break;
|
|
case 0xd5: str = "plmn-specificBS-5"; break;
|
|
case 0xd6: str = "plmn-specificBS-6"; break;
|
|
case 0xd7: str = "plmn-specificBS-7"; break;
|
|
case 0xd8: str = "plmn-specificBS-8"; break;
|
|
case 0xd9: str = "plmn-specificBS-9"; break;
|
|
case 0xda: str = "plmn-specificBS-A"; break;
|
|
case 0xdb: str = "plmn-specificBS-B"; break;
|
|
case 0xdc: str = "plmn-specificBS-C"; break;
|
|
case 0xdd: str = "plmn-specificBS-D"; break;
|
|
case 0xde: str = "plmn-specificBS-E"; break;
|
|
case 0xdf: str = "plmn-specificBS-F"; break;
|
|
|
|
default:
|
|
str = "Undefined";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, str);
|
|
}
|
|
|
|
static void
|
|
param_teleservice(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
gchar *str = NULL;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, len, &value);
|
|
|
|
switch (value)
|
|
{
|
|
case 0x00: str = "allTeleservices"; break;
|
|
case 0x10: str = "allSpeechTransmissionServices"; break;
|
|
case 0x11: str = "telephony"; break;
|
|
case 0x12: str = "emergencyCalls"; break;
|
|
case 0x20: str = "allShortMessageServices"; break;
|
|
case 0x21: str = "shortMessageMT-PP"; break;
|
|
case 0x22: str = "shortMessageMO-PP"; break;
|
|
case 0x60: str = "allFacsimileTransmissionServices"; break;
|
|
case 0x61: str = "facsimileGroup3AndAlterSpeech"; break;
|
|
case 0x62: str = "automaticFacsimileGroup3"; break;
|
|
case 0x63: str = "facsimileGroup4"; break;
|
|
|
|
case 0x70: str = "allDataTeleservices"; break;
|
|
case 0x80: str = "allTeleservices-ExeptSMS"; break;
|
|
|
|
case 0x90: str = "allVoiceGroupCallServices"; break;
|
|
case 0x91: str = "voiceGroupCall"; break;
|
|
case 0x92: str = "voiceBroadcastCall"; break;
|
|
|
|
case 0xd0: str = "allPLMN-specificTS"; break;
|
|
case 0xd1: str = "plmn-specificTS-1"; break;
|
|
case 0xd2: str = "plmn-specificTS-2"; break;
|
|
case 0xd3: str = "plmn-specificTS-3"; break;
|
|
case 0xd4: str = "plmn-specificTS-4"; break;
|
|
case 0xd5: str = "plmn-specificTS-5"; break;
|
|
case 0xd6: str = "plmn-specificTS-6"; break;
|
|
case 0xd7: str = "plmn-specificTS-7"; break;
|
|
case 0xd8: str = "plmn-specificTS-8"; break;
|
|
case 0xd9: str = "plmn-specificTS-9"; break;
|
|
case 0xda: str = "plmn-specificTS-A"; break;
|
|
case 0xdb: str = "plmn-specificTS-B"; break;
|
|
case 0xdc: str = "plmn-specificTS-C"; break;
|
|
case 0xdd: str = "plmn-specificTS-D"; break;
|
|
case 0xde: str = "plmn-specificTS-E"; break;
|
|
case 0xdf: str = "plmn-specificTS-F"; break;
|
|
|
|
default:
|
|
str = "Undefined";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, str);
|
|
}
|
|
|
|
/*
|
|
* GSM 03.38
|
|
* Same as Cell Broadcast
|
|
*/
|
|
static void
|
|
param_ussdDCS(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
gchar *str = NULL;
|
|
char bigbuf[1024];
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
|
|
hf_field = hf_field;
|
|
|
|
gsm_ss_seven_bit = FALSE;
|
|
gsm_ss_eight_bit = FALSE;
|
|
gsm_ss_ucs2 = FALSE;
|
|
gsm_ss_compressed = FALSE;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, len, &value);
|
|
|
|
item =
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, len,
|
|
"Data Coding Scheme (%d)",
|
|
value);
|
|
|
|
subtree = proto_item_add_subtree(item, gsm_ss_ett[GSM_SS_ETT_PARAM]);
|
|
|
|
if ((value & 0xf0) == 0x00)
|
|
{
|
|
/* 0000.... Language using the default alphabet */
|
|
|
|
switch (value & 0x0f)
|
|
{
|
|
case 0x00: str = "German"; break;
|
|
case 0x01: str = "English"; break;
|
|
case 0x02: str = "Italian"; break;
|
|
case 0x03: str = "French"; break;
|
|
case 0x04: str = "Spanish"; break;
|
|
case 0x05: str = "Dutch"; break;
|
|
case 0x06: str = "Swedish"; break;
|
|
case 0x07: str = "Danish"; break;
|
|
case 0x08: str = "Portuguese"; break;
|
|
case 0x09: str = "Finnish"; break;
|
|
case 0x0a: str = "Norwegian"; break;
|
|
case 0x0b: str = "Greek"; break;
|
|
case 0x0c: str = "Turkish"; break;
|
|
case 0x0d: str = "Hungarian"; break;
|
|
case 0x0e: str = "Polish"; break;
|
|
case 0x0f: str = "Language unspecified"; break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x0f, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %s language using default alphabet",
|
|
bigbuf,
|
|
str);
|
|
|
|
gsm_ss_seven_bit = TRUE;
|
|
}
|
|
else if ((value & 0xf0) == 0x10)
|
|
{
|
|
switch (value & 0x0f)
|
|
{
|
|
case 0x00: str = "Default alphabet; message preceded by language indication"; break;
|
|
case 0x01: str = "UCS2; message preceded by language indication"; break;
|
|
default:
|
|
str = "Reserved for European languages";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0xff, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %s",
|
|
bigbuf,
|
|
str);
|
|
}
|
|
else if ((value & 0xf0) == 0x20)
|
|
{
|
|
switch (value & 0x0f)
|
|
{
|
|
case 0x00: str = "Czech"; break;
|
|
default:
|
|
str = "Reserved for European languages using the default alphabet";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0xff, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %s",
|
|
bigbuf,
|
|
str);
|
|
}
|
|
else if ((value & 0xf0) == 0x30)
|
|
{
|
|
other_decode_bitfield_value(bigbuf, value, 0xff, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Reserved for European Languages using the default alphabet",
|
|
bigbuf);
|
|
}
|
|
else if ((value & 0xc0) == 0x40)
|
|
{
|
|
other_decode_bitfield_value(bigbuf, value, 0xc0, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : General Data Coding indication",
|
|
bigbuf);
|
|
|
|
gsm_ss_compressed = (value & 0x20) >> 5;
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x20, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Text is %scompressed",
|
|
bigbuf,
|
|
gsm_ss_compressed ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x10, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %s",
|
|
bigbuf,
|
|
(value & 0x10) ? "Message class is defined below" :
|
|
"Reserved, no message class");
|
|
|
|
switch ((value & 0x0c) >> 2)
|
|
{
|
|
case 0x00: str = "GSM 7 bit default alphabet";
|
|
gsm_ss_seven_bit = TRUE;
|
|
break;
|
|
case 0x01: str = "8 bit data"; break;
|
|
case 0x02: str = "UCS2 (16 bit)";
|
|
gsm_ss_ucs2 = TRUE;
|
|
break;
|
|
case 0x03: str = "Reserved"; break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x0c, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Character set: %s",
|
|
bigbuf,
|
|
str);
|
|
|
|
switch (value & 0x03)
|
|
{
|
|
case 0x00: str = "Class 0"; break;
|
|
case 0x01: str = "Class 1 Default meaning: ME-specific"; break;
|
|
case 0x02: str = "Class 2 (U)SIM specific message"; break;
|
|
case 0x03: str = "Class 3 Default meaning: TE-specific"; break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x03, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Message Class: %s%s",
|
|
bigbuf,
|
|
str,
|
|
(value & 0x10) ? "" : " (reserved)");
|
|
}
|
|
else if ((value & 0xf0) == 0xf0)
|
|
{
|
|
other_decode_bitfield_value(bigbuf, value, 0xf0, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Data Coding / Message Handling",
|
|
bigbuf);
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x08, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Reserved",
|
|
bigbuf);
|
|
|
|
gsm_ss_seven_bit = !(gsm_ss_eight_bit = (value & 0x04) ? TRUE : FALSE);
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x04, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Message coding: %s",
|
|
bigbuf,
|
|
gsm_ss_eight_bit ? "8 bit data" : "Default alphabet");
|
|
|
|
switch (value & 0x03)
|
|
{
|
|
case 0x00: str = "No message class"; break;
|
|
case 0x01: str = "Class 1 user defined"; break;
|
|
case 0x02: str = "Class 2 user defined"; break;
|
|
case 0x03: str = "Class 3 Default meaning: TE-specific"; break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x03, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Message Class: %s",
|
|
bigbuf,
|
|
str);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(bigbuf, value, 0xff, 8);
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : Reserved coding groups",
|
|
bigbuf);
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_ussdString(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
char bigbuf[1024];
|
|
guint8 fill_bits;
|
|
guint32 out_len;
|
|
char *ustr;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
if (gsm_ss_compressed)
|
|
{
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, len,
|
|
"Compressed data");
|
|
}
|
|
else
|
|
{
|
|
if (gsm_ss_seven_bit)
|
|
{
|
|
fill_bits = 0;
|
|
|
|
out_len =
|
|
gsm_sms_char_7bit_unpack(fill_bits, len, sizeof(bigbuf),
|
|
tvb_get_ptr(asn1->tvb, saved_offset, len), bigbuf);
|
|
bigbuf[out_len] = '\0';
|
|
gsm_sms_char_ascii_decode(bigbuf, bigbuf, out_len);
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, "%s", bigbuf);
|
|
}
|
|
else if (gsm_ss_eight_bit)
|
|
{
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, "%s",
|
|
tvb_format_text(asn1->tvb, saved_offset, len));
|
|
}
|
|
else if (gsm_ss_ucs2)
|
|
{
|
|
ustr = tvb_fake_unicode(asn1->tvb, saved_offset, len, FALSE);
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, "%s", ustr);
|
|
g_free(ustr);
|
|
}
|
|
else
|
|
{
|
|
/* don't know what form it is */
|
|
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, len,
|
|
"Parameter Data");
|
|
}
|
|
}
|
|
|
|
asn1->offset += len;
|
|
}
|
|
|
|
static void
|
|
param_ia5String(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, "%s",
|
|
tvb_format_text(asn1->tvb, saved_offset, len));
|
|
|
|
asn1->offset += len;
|
|
}
|
|
|
|
static void
|
|
param_password(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, "%s",
|
|
tvb_format_text(asn1->tvb, saved_offset, len));
|
|
|
|
asn1->offset += len;
|
|
}
|
|
|
|
static void
|
|
param_guidanceInfo(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
gchar *str = NULL;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, 1, &value);
|
|
|
|
switch (value)
|
|
{
|
|
case 0: str = "enterPW"; break;
|
|
case 1: str = "enterNewPW"; break;
|
|
case 2: str = "enterNewPW-Again"; break;
|
|
default:
|
|
str = "Unknown";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree, asn1->tvb, saved_offset, len, str);
|
|
}
|
|
|
|
static void
|
|
param_forwardingOpt(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field)
|
|
{
|
|
guint saved_offset;
|
|
gint32 value;
|
|
char bigbuf[1024];
|
|
gchar *str = NULL;
|
|
|
|
hf_field = hf_field;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_int32_value_decode(asn1, 1, &value);
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x80, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %snotification to forwarding party",
|
|
bigbuf,
|
|
(value & 0x80) ? "" : "no ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x40, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %sredirecting presentation",
|
|
bigbuf,
|
|
(value & 0x40) ? "" : "no ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x20, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : %snotification to calling party",
|
|
bigbuf,
|
|
(value & 0x20) ? "" : "no ");
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x10, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : unused",
|
|
bigbuf);
|
|
|
|
switch ((value & 0x0c) >> 2)
|
|
{
|
|
case 0x00: str = "MS not reachable"; break;
|
|
case 0x01: str = "MS busy"; break;
|
|
case 0x02: str = "No reply"; break;
|
|
case 0x03: str = "Unconditional (in SRI result) or Deflection"; break;
|
|
}
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x0c, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : forwarding reason, %s (%u)",
|
|
bigbuf,
|
|
str,
|
|
(value & 0x0c) >> 2);
|
|
|
|
other_decode_bitfield_value(bigbuf, value, 0x03, 8);
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, 1,
|
|
"%s : unused",
|
|
bigbuf);
|
|
|
|
asn1->offset += len;
|
|
}
|
|
|
|
|
|
typedef enum
|
|
{
|
|
GSM_SS_P_SS_CODE, /* SS-Code */
|
|
GSM_SS_P_SS_STATUS, /* SS-Status */
|
|
GSM_SS_P_BEARERSERVICE, /* Bearer Service */
|
|
GSM_SS_P_TELESERVICE, /* Tele Service */
|
|
GSM_SS_P_FORWARD_TO_NUM, /* Forward to Number */
|
|
GSM_SS_P_LONG_FORWARD_TO_NUM, /* Long Forward to Number */
|
|
GSM_SS_P_USSD_DCS, /* USSD Data Coding Scheme */
|
|
GSM_SS_P_USSD_STRING, /* USSD String */
|
|
GSM_SS_P_IA5_STRING, /* IA5 String */
|
|
GSM_SS_P_PASSWORD, /* Password */
|
|
GSM_SS_P_GUIDANCE_INFO, /* Guidance Info */
|
|
GSM_SS_P_FORWARDING_OPT, /* Forwarding Options */
|
|
GSM_SS_P_NONE /* NONE */
|
|
}
|
|
param_idx_t;
|
|
|
|
#define NUM_PARAM_1 (GSM_SS_P_NONE+1)
|
|
static gint ett_param_1[NUM_PARAM_1];
|
|
static void (*param_1_fcn[])(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field) = {
|
|
param_ssCode, /* SS-Code */
|
|
param_ssStatus, /* SS-Status */
|
|
param_bearerservice, /* Bearer Service */
|
|
param_teleservice, /* Tele Service */
|
|
param_AddressString, /* Forward to Number */
|
|
param_AddressString, /* Long Forward to Number */
|
|
param_ussdDCS, /* USSD Data Coding Scheme */
|
|
param_ussdString, /* USSD String */
|
|
param_ia5String, /* IA5 String */
|
|
param_password, /* Password */
|
|
param_guidanceInfo, /* Guidance Info */
|
|
param_forwardingOpt, /* Forwarding Options */
|
|
NULL /* NONE */
|
|
};
|
|
|
|
static int *param_1_hf[] = {
|
|
HF_NULL, /* SS-Code */
|
|
HF_NULL, /* SS-Status */
|
|
HF_NULL, /* Bearer Service */
|
|
HF_NULL, /* Tele Service */
|
|
HF_NULL, /* Forward to Number */
|
|
HF_NULL, /* Long Forward to Number */
|
|
HF_NULL, /* USSD Data Coding Scheme */
|
|
HF_NULL, /* USSD String */
|
|
HF_NULL, /* IA5 String */
|
|
HF_NULL, /* Password */
|
|
HF_NULL, /* Guidance Info */
|
|
HF_NULL, /* Forwarding Options */
|
|
NULL /* NONE */
|
|
};
|
|
|
|
#define GSM_SS_START_SUBTREE(_Gtree, _Gsaved_offset, _Gtag, _Gstr1, _Gett, _Gdef_len_p, _Glen_p, _Gsubtree_p) \
|
|
{ \
|
|
guint _len_offset; \
|
|
proto_item *_item; \
|
|
\
|
|
_len_offset = asn1->offset; \
|
|
asn1_length_decode(asn1, _Gdef_len_p, _Glen_p); \
|
|
\
|
|
_item = \
|
|
proto_tree_add_text(_Gtree, asn1->tvb, _Gsaved_offset, -1, _Gstr1); \
|
|
\
|
|
_Gsubtree_p = proto_item_add_subtree(_item, _Gett); \
|
|
\
|
|
proto_tree_add_text(_Gsubtree_p, asn1->tvb, \
|
|
_Gsaved_offset, _len_offset - _Gsaved_offset, "Tag: 0x%02x", _Gtag); \
|
|
\
|
|
if (*_Gdef_len_p) \
|
|
{ \
|
|
proto_tree_add_text(_Gsubtree_p, asn1->tvb, \
|
|
_len_offset, asn1->offset - _len_offset, "Length: %d", *_Glen_p); \
|
|
} \
|
|
else \
|
|
{ \
|
|
proto_tree_add_text(_Gsubtree_p, asn1->tvb, \
|
|
_len_offset, asn1->offset - _len_offset, "Length: Indefinite"); \
|
|
\
|
|
*_Glen_p = tcap_find_eoc(asn1); \
|
|
} \
|
|
\
|
|
proto_item_set_len(_item, (asn1->offset - _Gsaved_offset) + *_Glen_p + \
|
|
(*_Gdef_len_p ? 0 : TCAP_EOC_LEN)); \
|
|
}
|
|
|
|
#define GSM_SS_PARAM_DISPLAY(Gtree, Goffset, Gtag, Ga1, Ga2) \
|
|
{ \
|
|
gint _ett_param_idx; \
|
|
guint _len; \
|
|
void (*_param_fcn)(ASN1_SCK *asn1, proto_tree *tree, guint len, int hf_field) = NULL; \
|
|
int *_param_hf = NULL; \
|
|
proto_tree *_subtree; \
|
|
gboolean _def_len; \
|
|
\
|
|
if (Ga1 == GSM_SS_P_NONE) \
|
|
{ \
|
|
_ett_param_idx = gsm_ss_ett[GSM_SS_ETT_PARAM]; \
|
|
_param_fcn = NULL; \
|
|
_param_hf = HF_NULL; \
|
|
} \
|
|
else \
|
|
{ \
|
|
_ett_param_idx = ett_param_1[Ga1]; \
|
|
_param_fcn = param_1_fcn[Ga1]; \
|
|
_param_hf = param_1_hf[Ga1]; \
|
|
} \
|
|
\
|
|
GSM_SS_START_SUBTREE(Gtree, Goffset, Gtag, Ga2, _ett_param_idx, &_def_len, &_len, _subtree); \
|
|
\
|
|
if (_len > 0) \
|
|
{ \
|
|
if (Ga1 == GSM_SS_P_NONE || _param_fcn == NULL) \
|
|
{ \
|
|
proto_tree_add_text(_subtree, asn1->tvb, \
|
|
asn1->offset, _len, "Parameter Data"); \
|
|
\
|
|
asn1->offset += _len; \
|
|
} \
|
|
else \
|
|
{ \
|
|
(*_param_fcn)(asn1, _subtree, _len, *_param_hf); \
|
|
} \
|
|
} \
|
|
\
|
|
if (!_def_len) \
|
|
{ \
|
|
guint _saved_offset; \
|
|
\
|
|
_saved_offset = asn1->offset; \
|
|
asn1_eoc_decode(asn1, -1); \
|
|
\
|
|
proto_tree_add_text(Gtree, asn1->tvb, \
|
|
_saved_offset, asn1->offset - _saved_offset, "End of Contents"); \
|
|
} \
|
|
}
|
|
|
|
|
|
static void
|
|
param_forwardingFeature(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, len;
|
|
gboolean def_len;
|
|
proto_tree *subtree;
|
|
|
|
exp_len = exp_len;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Forwarding Feature",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
if (tcap_check_tag(asn1, 0x82))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_BEARERSERVICE, "Bearerservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x83))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_TELESERVICE, "Teleservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x84))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_STATUS, "SS-Status");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x85))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_FORWARD_TO_NUM, "Forwarded to Number");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x88))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Forwarded to Subaddress");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x86))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_FORWARDING_OPT, "Forwarding Options");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x87))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "No Reply Condition Time");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x89))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_LONG_FORWARD_TO_NUM, "Long Forward to Number");
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_forwardingFeatureList(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len;
|
|
gboolean def_len;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Forwarding Feature List",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
while ((tvb_length_remaining(asn1->tvb, asn1->offset) > 0) &&
|
|
(!tcap_check_tag(asn1, 0)))
|
|
{
|
|
if ((exp_len != 0) &&
|
|
((asn1->offset - saved_offset) >= exp_len))
|
|
{
|
|
break;
|
|
}
|
|
|
|
param_forwardingFeature(asn1, subtree, len - (asn1->offset - start_offset));
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_callBarringFeature(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, len;
|
|
gboolean def_len;
|
|
proto_tree *subtree;
|
|
|
|
exp_len = exp_len;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Call Barring Feature",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
if (tcap_check_tag(asn1, 0x82))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_BEARERSERVICE, "Bearerservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x83))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_TELESERVICE, "Teleservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x84))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_STATUS, "SS-Status");
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_callBarringFeatureList(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len;
|
|
gboolean def_len;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Call Barring Feature List",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
while ((tvb_length_remaining(asn1->tvb, asn1->offset) > 0) &&
|
|
(!tcap_check_tag(asn1, 0)))
|
|
{
|
|
if ((exp_len != 0) &&
|
|
((asn1->offset - saved_offset) >= exp_len))
|
|
{
|
|
break;
|
|
}
|
|
|
|
param_callBarringFeature(asn1, subtree, len - (asn1->offset - start_offset));
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_ssData(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
/* XXX */
|
|
op_generic_ss(asn1, tree, exp_len);
|
|
}
|
|
|
|
static void
|
|
param_ssInfo(ASN1_SCK *asn1, proto_tree *tree)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len;
|
|
gboolean def_len = FALSE;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
switch (tag)
|
|
{
|
|
case 0xa0: /* forwardingInfo */
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Forwarding Info",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
if (tcap_check_tag(asn1, 0x04))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_CODE, "SS-Code");
|
|
}
|
|
|
|
param_forwardingFeatureList(asn1, subtree, len - (asn1->offset - start_offset));
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
break;
|
|
|
|
case 0xa1: /* callBarringInfo */
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Call Barring Info",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
if (tcap_check_tag(asn1, 0x04))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_CODE, "SS-Code");
|
|
}
|
|
|
|
param_callBarringFeatureList(asn1, subtree, len - (asn1->offset - start_offset));
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
break;
|
|
|
|
case 0xa3: /* ss-Data */
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "ss-Data",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
param_ssData(asn1, subtree, len - (asn1->offset - start_offset));
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
break;
|
|
|
|
default:
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Unexpected TAG",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
op_generic_ss(asn1, subtree, len);
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_ssForBS(ASN1_SCK *asn1, proto_tree *tree)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len, rem_len;
|
|
gboolean def_len = FALSE;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Sequence",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_CODE, "SS-Code");
|
|
|
|
if (tcap_check_tag(asn1, 0x82))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_BEARERSERVICE, "Bearerservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x83))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_TELESERVICE, "Teleservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x84))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Long FTN supported");
|
|
}
|
|
|
|
rem_len = len - (asn1->offset - start_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, subtree, rem_len);
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_ussdArg(ASN1_SCK *asn1, proto_tree *tree)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len, rem_len;
|
|
gboolean def_len = FALSE;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Sequence",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_USSD_DCS, "USSD Data Coding Scheme");
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_USSD_STRING, "USSD String");
|
|
|
|
rem_len = len - (asn1->offset - start_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, subtree, rem_len);
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
param_ussdRes(ASN1_SCK *asn1, proto_tree *tree)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len, rem_len;
|
|
gboolean def_len = FALSE;
|
|
proto_tree *subtree;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Sequence",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_USSD_DCS, "USSD Data Coding Scheme");
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_USSD_STRING, "USSD String");
|
|
|
|
rem_len = len - (asn1->offset - start_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, subtree, rem_len);
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
|
|
/* MESSAGES */
|
|
|
|
static void
|
|
op_generic_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint orig_offset, saved_offset, len_offset;
|
|
guint tag, len;
|
|
gboolean def_len = FALSE;
|
|
proto_item *item;
|
|
proto_tree *subtree;
|
|
|
|
orig_offset = asn1->offset;
|
|
|
|
while ((tvb_length_remaining(asn1->tvb, asn1->offset) > 0) &&
|
|
(!tcap_check_tag(asn1, 0)))
|
|
{
|
|
if ((exp_len != 0) &&
|
|
((asn1->offset - orig_offset) >= exp_len))
|
|
{
|
|
break;
|
|
}
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
if (TCAP_CONSTRUCTOR(tag))
|
|
{
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Sequence",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
op_generic_ss(asn1, subtree, len);
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
continue;
|
|
}
|
|
|
|
len_offset = asn1->offset;
|
|
asn1_length_decode(asn1, &def_len, &len);
|
|
|
|
if (!def_len)
|
|
{
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, len_offset - saved_offset,
|
|
"Tag: 0x%02x", tag);
|
|
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
len_offset, asn1->offset - len_offset, "Length: Indefinite");
|
|
|
|
len = tcap_find_eoc(asn1);
|
|
|
|
op_generic_ss(asn1, tree, len);
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
continue;
|
|
}
|
|
|
|
item =
|
|
proto_tree_add_text(tree, asn1->tvb,
|
|
saved_offset, (asn1->offset - saved_offset) + len, "Parameter");
|
|
|
|
subtree = proto_item_add_subtree(item, gsm_ss_ett[GSM_SS_ETT_PARAM]);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, len_offset - saved_offset,
|
|
"Tag: 0x%02x", tag);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
len_offset, asn1->offset - len_offset, "Length: %d", len);
|
|
|
|
if (len > 0)
|
|
{
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
asn1->offset, len, "Parameter Data");
|
|
|
|
asn1->offset += len;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_register_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset, start_offset;
|
|
guint tag, len, rem_len;
|
|
gboolean def_len = FALSE;
|
|
proto_tree *subtree;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_START_SUBTREE(tree, saved_offset, tag, "Sequence",
|
|
gsm_ss_ett[GSM_SS_ETT_SEQUENCE],
|
|
&def_len, &len, subtree);
|
|
|
|
start_offset = asn1->offset;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_SS_CODE, "SS-Code");
|
|
|
|
if (tcap_check_tag(asn1, 0x82))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_BEARERSERVICE, "Bearerservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x83))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_TELESERVICE, "Teleservice");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x84))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_FORWARD_TO_NUM, "Forwarded to Number");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x86))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Forwarded to Subaddress");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x85))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "No Reply Condition Time");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x87))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Default Priority");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x88))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Number Users");
|
|
}
|
|
|
|
if (tcap_check_tag(asn1, 0x89))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(subtree, saved_offset, tag, GSM_SS_P_NONE, "Long FTN supported");
|
|
}
|
|
|
|
rem_len = len - (asn1->offset - start_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, subtree, rem_len);
|
|
}
|
|
|
|
if (!def_len)
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_eoc_decode(asn1, -1);
|
|
|
|
proto_tree_add_text(subtree, asn1->tvb,
|
|
saved_offset, asn1->offset - saved_offset, "End of Contents");
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_register_ss_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssInfo(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_erase_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssForBS(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_erase_ss_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssInfo(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_activate_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssForBS(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_activate_ss_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssInfo(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_deactivate_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssForBS(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_deactivate_ss_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssInfo(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_interrogate_ss(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ssForBS(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_interrogate_ss_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
switch (tag)
|
|
{
|
|
case 0x80: /* SS-Status */
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_SS_STATUS, "SS-Status");
|
|
break;
|
|
|
|
case 0x82: /* BasicServiceGroupList */
|
|
/* XXX */
|
|
asn1->offset = saved_offset;
|
|
op_generic_ss(asn1, tree, exp_len);
|
|
break;
|
|
|
|
case 0x83: /* ForwardingFeatureList */
|
|
asn1->offset = saved_offset;
|
|
param_forwardingFeatureList(asn1, tree, exp_len);
|
|
break;
|
|
|
|
case 0x84: /* GenericServiceInfo */
|
|
/* XXX */
|
|
asn1->offset = saved_offset;
|
|
op_generic_ss(asn1, tree, exp_len);
|
|
break;
|
|
|
|
default:
|
|
asn1->offset = saved_offset;
|
|
op_generic_ss(asn1, tree, exp_len);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_reg_password(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_SS_CODE, "SS-Code");
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_reg_password_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_PASSWORD, "New Password");
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_get_password(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_GUIDANCE_INFO, "Guidance Info");
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_get_password_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_PASSWORD, "Current Password");
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_proc_uss_data(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
if (tcap_check_tag(asn1, 0x16))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_IA5_STRING, "SS-UserData");
|
|
}
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_proc_uss_data_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
guint tag, rem_len;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
if (tcap_check_tag(asn1, 0x16))
|
|
{
|
|
saved_offset = asn1->offset;
|
|
asn1_id_decode1(asn1, &tag);
|
|
|
|
GSM_SS_PARAM_DISPLAY(tree, saved_offset, tag, GSM_SS_P_IA5_STRING, "SS-UserData");
|
|
}
|
|
|
|
rem_len = exp_len - (asn1->offset - saved_offset);
|
|
|
|
if (rem_len > 0)
|
|
{
|
|
op_generic_ss(asn1, tree, rem_len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
op_proc_uss_req(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ussdArg(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_proc_uss_req_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ussdRes(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_uss_req(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ussdArg(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_uss_req_rr(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ussdRes(asn1, tree);
|
|
}
|
|
|
|
static void
|
|
op_uss_notify(ASN1_SCK *asn1, proto_tree *tree, guint exp_len)
|
|
{
|
|
guint saved_offset;
|
|
|
|
exp_len = exp_len;
|
|
|
|
if (tvb_length_remaining(asn1->tvb, asn1->offset) <= 0) return;
|
|
|
|
saved_offset = asn1->offset;
|
|
|
|
param_ussdArg(asn1, tree);
|
|
}
|
|
|
|
#define GSM_SS_NUM_OP (sizeof(gsm_ss_opr_code_strings)/sizeof(value_string))
|
|
static void (*op_fcn[])(ASN1_SCK *asn1, proto_tree *tree, guint exp_len) = {
|
|
op_register_ss, /* RegisterSS */
|
|
op_erase_ss, /* EraseSS */
|
|
op_activate_ss, /* ActivateSS */
|
|
op_deactivate_ss, /* DeactivateSS */
|
|
op_interrogate_ss, /* InterrogateSS */
|
|
NULL, /* NotifySS */
|
|
op_reg_password, /* RegisterPassword */
|
|
op_get_password, /* GetPassword */
|
|
op_proc_uss_data, /* ProcessUnstructuredSS-Data */
|
|
NULL, /* ForwardCheckSS-Indication */
|
|
op_proc_uss_req, /* ProcessUnstructuredSS-Request */
|
|
op_uss_req, /* UnstructuredSS-Request */
|
|
op_uss_notify, /* UnstructuredSS-Notify */
|
|
NULL, /* EraseCC-Entry */
|
|
NULL, /* LCS-LocationNotification */
|
|
NULL, /* LCS-MOLR */
|
|
NULL, /* AccessRegisterCCEntry */
|
|
NULL, /* ForwardCUG-Info */
|
|
NULL /* NO ARGS */, /* SplitMPTY */
|
|
NULL /* NO ARGS */, /* RetrieveMPTY */
|
|
NULL /* NO ARGS */, /* HoldMPTY */
|
|
NULL /* NO ARGS */, /* BuildMPTY */
|
|
NULL, /* ForwardChargeAdvice */
|
|
NULL, /* ExplicitCT */
|
|
NULL, /* LCS-LocationNotification */
|
|
NULL, /* LCS-MOLR */
|
|
|
|
NULL /* NONE */
|
|
};
|
|
|
|
static void (*op_fcn_rr[])(ASN1_SCK *asn1, proto_tree *tree, guint exp_len) = {
|
|
op_register_ss_rr, /* RegisterSS */
|
|
op_erase_ss_rr, /* EraseSS */
|
|
op_activate_ss_rr, /* ActivateSS */
|
|
op_deactivate_ss_rr, /* DeactivateSS */
|
|
op_interrogate_ss_rr, /* InterrogateSS */
|
|
NULL, /* NotifySS */
|
|
op_reg_password_rr, /* RegisterPassword */
|
|
op_get_password_rr, /* GetPassword */
|
|
op_proc_uss_data_rr, /* ProcessUnstructuredSS-Data */
|
|
NULL, /* ForwardCheckSS-Indication */
|
|
op_proc_uss_req_rr, /* ProcessUnstructuredSS-Request */
|
|
op_uss_req_rr, /* UnstructuredSS-Request */
|
|
NULL /* NO ARGS */, /* UnstructuredSS-Notify */
|
|
NULL, /* EraseCC-Entry */
|
|
NULL, /* LCS Location Notification */
|
|
NULL, /* LCS MOLR */
|
|
NULL, /* AccessRegisterCCEntry */
|
|
NULL, /* ForwardCUG-Info */
|
|
NULL, /* SplitMPTY */
|
|
NULL, /* RetrieveMPTY */
|
|
NULL, /* HoldMPTY */
|
|
NULL, /* BuildMPTY */
|
|
NULL /* NO ARGS */, /* ForwardChargeAdvice */
|
|
NULL, /* ExplicitCT */
|
|
NULL, /* LCS-LocationNotification */
|
|
NULL, /* LCS-MOLR */
|
|
|
|
NULL /* NONE */
|
|
};
|
|
|
|
void
|
|
gsm_ss_dissect(ASN1_SCK *asn1, proto_tree *tree, guint exp_len,
|
|
guint opr_code, guint comp_type_tag)
|
|
{
|
|
void (*dissect_fcn)(ASN1_SCK *asn1, proto_tree *tree, guint exp_len);
|
|
gchar *str;
|
|
gint op_idx;
|
|
|
|
|
|
dissect_fcn = NULL;
|
|
|
|
str = my_match_strval(opr_code, gsm_ss_opr_code_strings, &op_idx);
|
|
|
|
if (str != NULL)
|
|
{
|
|
switch (comp_type_tag)
|
|
{
|
|
case TCAP_COMP_INVOKE:
|
|
dissect_fcn = op_fcn[op_idx];
|
|
break;
|
|
|
|
case TCAP_COMP_RRL:
|
|
dissect_fcn = op_fcn_rr[op_idx];
|
|
break;
|
|
|
|
case TCAP_COMP_RE:
|
|
dissect_fcn = NULL;
|
|
return;
|
|
|
|
default:
|
|
/*
|
|
* no parameters should be present in the component types
|
|
* ignore
|
|
*/
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (dissect_fcn == NULL)
|
|
{
|
|
op_generic_ss(asn1, tree, exp_len);
|
|
}
|
|
else
|
|
{
|
|
(*dissect_fcn)(asn1, tree, exp_len);
|
|
}
|
|
}
|