forked from osmocom/wireshark
93cc6f004f
Change-Id: Iedeaa411caa0823922dd79c27897a2349d4e6907 Reviewed-on: https://code.wireshark.org/review/4054 Reviewed-by: Bill Meier <wmeier@newsguy.com>
541 lines
20 KiB
C
541 lines
20 KiB
C
/* packet-ansi_tcap-template.c
|
|
* Routines for ANSI TCAP
|
|
* Copyright 2007 Anders Broman <anders.broman@ericsson.com>
|
|
* Built from the gsm-map dissector Copyright 2004 - 2005, Anders Broman <anders.broman@ericsson.com>
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* References: T1.114
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <glib.h>
|
|
#include <epan/packet.h>
|
|
#include <epan/prefs.h>
|
|
#include <epan/expert.h>
|
|
#include <epan/oids.h>
|
|
#include <epan/wmem/wmem.h>
|
|
#include <epan/asn1.h>
|
|
#include <epan/strutil.h>
|
|
|
|
#include <string.h>
|
|
#include "packet-ber.h"
|
|
#include "packet-tcap.h"
|
|
#include "packet-ansi_tcap.h"
|
|
|
|
#define PNAME "ANSI Transaction Capabilities Application Part"
|
|
#define PSNAME "ANSI_TCAP"
|
|
#define PFNAME "ansi_tcap"
|
|
|
|
void proto_register_ansi_tcap(void);
|
|
void proto_reg_handoff_ansi_tcap(void);
|
|
|
|
/* Preferences defaults */
|
|
gint ansi_tcap_response_matching_type = 0;
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_ansi_tcap = -1;
|
|
|
|
static int hf_ansi_tcapsrt_SessionId = -1;
|
|
static int hf_ansi_tcapsrt_Duplicate = -1;
|
|
static int hf_ansi_tcapsrt_BeginSession = -1;
|
|
static int hf_ansi_tcapsrt_EndSession = -1;
|
|
static int hf_ansi_tcapsrt_SessionTime = -1;
|
|
static int hf_ansi_tcap_bit_h = -1;
|
|
static int hf_ansi_tcap_op_family = -1;
|
|
static int hf_ansi_tcap_op_specifier = -1;
|
|
|
|
#include "packet-ansi_tcap-hf.c"
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_tcap = -1;
|
|
static gint ett_param = -1;
|
|
static gint ett_ansi_tcap_op_code_nat = -1;
|
|
|
|
static gint ett_otid = -1;
|
|
static gint ett_dtid = -1;
|
|
static gint ett_ansi_tcap_stat = -1;
|
|
|
|
static expert_field ei_ansi_tcap_dissector_not_implemented = EI_INIT;
|
|
|
|
static struct tcapsrt_info_t * gp_tcapsrt_info;
|
|
static gboolean tcap_subdissector_used=FALSE;
|
|
|
|
static struct tcaphash_context_t * gp_tcap_context=NULL;
|
|
|
|
/* Note the high bit should be masked off when registering in this table (0x7fff)*/
|
|
static dissector_table_t ansi_tcap_national_opcode_table; /* National Operation Codes */
|
|
|
|
#include "packet-ansi_tcap-ett.c"
|
|
|
|
#define MAX_SSN 254
|
|
|
|
extern gboolean gtcap_PersistentSRT;
|
|
extern guint gtcap_RepetitionTimeout;
|
|
extern guint gtcap_LostTimeout;
|
|
|
|
/* When several Tcap components are received in a single TCAP message,
|
|
we have to use several buffers for the stored parameters
|
|
because else this data are erased during TAP dissector call */
|
|
#define MAX_TCAP_INSTANCE 10
|
|
int tcapsrt_global_current=0;
|
|
struct tcapsrt_info_t tcapsrt_global_info[MAX_TCAP_INSTANCE];
|
|
|
|
static dissector_table_t ber_oid_dissector_table=NULL;
|
|
static const char * cur_oid;
|
|
static const char * tcapext_oid;
|
|
static proto_tree * tcap_top_tree=NULL;
|
|
static proto_tree * tcap_stat_tree=NULL;
|
|
static proto_item * tcap_stat_item=NULL;
|
|
|
|
static dissector_handle_t ansi_map_handle;
|
|
|
|
struct ansi_tcap_private_t ansi_tcap_private;
|
|
#define MAX_TID_STR_LEN 1024
|
|
|
|
static void ansi_tcap_ctx_init(struct ansi_tcap_private_t *a_tcap_ctx) {
|
|
memset(a_tcap_ctx, '\0', sizeof(*a_tcap_ctx));
|
|
a_tcap_ctx->signature = ANSI_TCAP_CTX_SIGNATURE;
|
|
a_tcap_ctx->oid_is_present = FALSE;
|
|
a_tcap_ctx->TransactionID_str = NULL;
|
|
}
|
|
|
|
static const value_string ansi_tcap_national_op_code_family_vals[] = {
|
|
{ 0x0, "All Families" },
|
|
{ 0x1, "Parameter" },
|
|
{ 0x2, "Charging" },
|
|
{ 0x3, "Provide Instructions" },
|
|
{ 0x4, "Connection Control" },
|
|
{ 0x5, "Caller Interaction" },
|
|
{ 0x6, "Send Notification" },
|
|
{ 0x7, "Network Management" },
|
|
{ 0x8, "Procedural" },
|
|
{ 0x9, "Operation Control" },
|
|
{ 0xa, "Report Event" },
|
|
/* Spare */
|
|
{ 0x7e, "Miscellaneous" },
|
|
{ 0x7f, "Reserved" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static void dissect_ansi_tcap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree);
|
|
|
|
/*
|
|
static dissector_handle_t tcap_handle = NULL;
|
|
static dissector_table_t sccp_ssn_table;
|
|
|
|
static GHashTable* ansi_sub_dissectors = NULL;
|
|
static GHashTable* itu_sub_dissectors = NULL;
|
|
|
|
extern void add_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector) {
|
|
g_hash_table_insert(ansi_sub_dissectors,GUINT_TO_POINTER(ssn),dissector);
|
|
dissector_add_uint("sccp.ssn",ssn,tcap_handle);
|
|
}
|
|
|
|
extern void delete_ansi_tcap_subdissector(guint32 ssn, dissector_handle_t dissector _U_) {
|
|
g_hash_table_remove(ansi_sub_dissectors,GUINT_TO_POINTER(ssn));
|
|
dissector_delete_uint("sccp.ssn",ssn,tcap_handle);
|
|
}
|
|
|
|
dissector_handle_t get_ansi_tcap_subdissector(guint32 ssn) {
|
|
return g_hash_table_lookup(ansi_sub_dissectors,GUINT_TO_POINTER(ssn));
|
|
}
|
|
*/
|
|
|
|
/* Transaction tracking */
|
|
/* Transaction table */
|
|
struct ansi_tcap_invokedata_t {
|
|
gint OperationCode;
|
|
/*
|
|
0 : national,
|
|
1 : private
|
|
*/
|
|
gint32 OperationCode_private;
|
|
gint32 OperationCode_national;
|
|
};
|
|
|
|
static GHashTable *TransactionId_table=NULL;
|
|
|
|
static void
|
|
ansi_tcap_init_transaction_table(void){
|
|
|
|
/* Destroy any existing memory chunks / hashes. */
|
|
if (TransactionId_table){
|
|
g_hash_table_destroy(TransactionId_table);
|
|
TransactionId_table = NULL;
|
|
}
|
|
|
|
TransactionId_table = g_hash_table_new(g_str_hash, g_str_equal);
|
|
|
|
}
|
|
|
|
static void
|
|
ansi_tcap_init_protocol(void)
|
|
{
|
|
ansi_tcap_init_transaction_table();
|
|
}
|
|
|
|
/* Store Invoke information needed for the corresponding reply */
|
|
static void
|
|
save_invoke_data(packet_info *pinfo, proto_tree *tree _U_, tvbuff_t *tvb _U_){
|
|
struct ansi_tcap_invokedata_t *ansi_tcap_saved_invokedata;
|
|
gchar *src, *dst;
|
|
char *buf;
|
|
|
|
src = address_to_str(wmem_packet_scope(), &(pinfo->src));
|
|
dst = address_to_str(wmem_packet_scope(), &(pinfo->dst));
|
|
|
|
if ((!pinfo->fd->flags.visited)&&(ansi_tcap_private.TransactionID_str)){
|
|
|
|
/* Only do this once XXX I hope it's the right thing to do */
|
|
/* The hash string needs to contain src and dest to distiguish differnt flows */
|
|
switch(ansi_tcap_response_matching_type){
|
|
case 0:
|
|
buf = wmem_strdup(wmem_packet_scope(), ansi_tcap_private.TransactionID_str);
|
|
break;
|
|
case 1:
|
|
buf = wmem_strdup_printf(wmem_packet_scope(), "%s%s",ansi_tcap_private.TransactionID_str,src);
|
|
break;
|
|
default:
|
|
buf = wmem_strdup_printf(wmem_packet_scope(), "%s%s%s",ansi_tcap_private.TransactionID_str,src,dst);
|
|
break;
|
|
}
|
|
|
|
/* If the entry allready exists don't owervrite it */
|
|
ansi_tcap_saved_invokedata = (struct ansi_tcap_invokedata_t *)g_hash_table_lookup(TransactionId_table,buf);
|
|
if(ansi_tcap_saved_invokedata)
|
|
return;
|
|
|
|
ansi_tcap_saved_invokedata = wmem_new(wmem_file_scope(), struct ansi_tcap_invokedata_t);
|
|
ansi_tcap_saved_invokedata->OperationCode = ansi_tcap_private.d.OperationCode;
|
|
ansi_tcap_saved_invokedata->OperationCode_national = ansi_tcap_private.d.OperationCode_national;
|
|
ansi_tcap_saved_invokedata->OperationCode_private = ansi_tcap_private.d.OperationCode_private;
|
|
|
|
g_hash_table_insert(TransactionId_table,
|
|
wmem_strdup(wmem_file_scope(), buf),
|
|
ansi_tcap_saved_invokedata);
|
|
/*
|
|
g_warning("Tcap Invoke Hash string %s",buf);
|
|
*/
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
find_saved_invokedata(packet_info *pinfo, proto_tree *tree _U_, tvbuff_t *tvb _U_){
|
|
struct ansi_tcap_invokedata_t *ansi_tcap_saved_invokedata;
|
|
gchar *src, *dst;
|
|
char *buf;
|
|
|
|
if (!ansi_tcap_private.TransactionID_str) {
|
|
return FALSE;
|
|
}
|
|
|
|
src = address_to_str(wmem_packet_scope(), &(pinfo->src));
|
|
dst = address_to_str(wmem_packet_scope(), &(pinfo->dst));
|
|
|
|
/* The hash string needs to contain src and dest to distiguish differnt flows */
|
|
buf = (char *)wmem_alloc(wmem_packet_scope(), MAX_TID_STR_LEN);
|
|
buf[0] = '\0';
|
|
/* Reverse order to invoke */
|
|
switch(ansi_tcap_response_matching_type){
|
|
case 0:
|
|
g_snprintf(buf,MAX_TID_STR_LEN,"%s",ansi_tcap_private.TransactionID_str);
|
|
break;
|
|
case 1:
|
|
g_snprintf(buf,MAX_TID_STR_LEN,"%s%s",ansi_tcap_private.TransactionID_str,dst);
|
|
break;
|
|
default:
|
|
g_snprintf(buf,MAX_TID_STR_LEN,"%s%s%s",ansi_tcap_private.TransactionID_str,dst,src);
|
|
break;
|
|
}
|
|
|
|
ansi_tcap_saved_invokedata = (struct ansi_tcap_invokedata_t *)g_hash_table_lookup(TransactionId_table, buf);
|
|
if(ansi_tcap_saved_invokedata){
|
|
ansi_tcap_private.d.OperationCode = ansi_tcap_saved_invokedata->OperationCode;
|
|
ansi_tcap_private.d.OperationCode_national = ansi_tcap_saved_invokedata->OperationCode_national;
|
|
ansi_tcap_private.d.OperationCode_private = ansi_tcap_saved_invokedata->OperationCode_private;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* As currently ANSI MAP is the only possible sub dissector this function
|
|
* must be improved to handle general cases.
|
|
*
|
|
*
|
|
*
|
|
* TODO:
|
|
* 1)Handle national codes
|
|
* Design option
|
|
* - Create a ansi.tcap.national dissector table and have dissectors for
|
|
* national codes register there and let ansi tcap call them.
|
|
* 2)Handle Private codes properly
|
|
* Design question
|
|
* Unclear how to differentiate between different private "code sets".
|
|
* Use SCCP SSN table as before? or a ansi.tcap.private dissector table?
|
|
*
|
|
*/
|
|
static gboolean
|
|
find_tcap_subdissector(tvbuff_t *tvb, asn1_ctx_t *actx, proto_tree *tree){
|
|
proto_item *item;
|
|
|
|
/* If "DialoguePortion objectApplicationId ObjectIDApplicationContext
|
|
* points to the subdissector this code can be used.
|
|
*
|
|
if(ansi_tcap_private.d.oid_is_present){
|
|
call_ber_oid_callback(ansi_tcap_private.objectApplicationId_oid, tvb, 0, actx-pinfo, tree, NULL);
|
|
return TRUE;
|
|
}
|
|
*/
|
|
if(ansi_tcap_private.d.pdu == 1){
|
|
/* Save Invoke data for this transaction */
|
|
save_invoke_data(actx->pinfo, tree, tvb);
|
|
}else{
|
|
/* Get saved data for this transaction */
|
|
if(find_saved_invokedata(actx->pinfo, tree, tvb)){
|
|
if(ansi_tcap_private.d.OperationCode == 0){
|
|
/* national */
|
|
item = proto_tree_add_int(tree, hf_ansi_tcap_national, tvb, 0, 0, ansi_tcap_private.d.OperationCode_national);
|
|
}else{
|
|
item = proto_tree_add_int(tree, hf_ansi_tcap_private, tvb, 0, 0, ansi_tcap_private.d.OperationCode_private);
|
|
}
|
|
PROTO_ITEM_SET_GENERATED(item);
|
|
ansi_tcap_private.d.OperationCode_item = item;
|
|
}
|
|
}
|
|
if(ansi_tcap_private.d.OperationCode == 0){
|
|
/* national */
|
|
guint8 family = (ansi_tcap_private.d.OperationCode_national & 0x7f00)>>8;
|
|
guint8 specifier = (guint8)(ansi_tcap_private.d.OperationCode_national & 0xff);
|
|
if(!dissector_try_uint(ansi_tcap_national_opcode_table, ansi_tcap_private.d.OperationCode_national, tvb, actx->pinfo, tcap_top_tree)){
|
|
proto_tree_add_expert_format(tree, actx->pinfo, &ei_ansi_tcap_dissector_not_implemented, tvb, 0, -1,
|
|
"Dissector for ANSI TCAP NATIONAL code:0x%x(Family %u, Specifier %u) \n"
|
|
"not implemented. Contact Wireshark developers if you want this supported(Spec required)",
|
|
ansi_tcap_private.d.OperationCode_national, family, specifier);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}else if(ansi_tcap_private.d.OperationCode == 1){
|
|
/* private */
|
|
if((ansi_tcap_private.d.OperationCode_private & 0x0900) != 0x0900){
|
|
proto_tree_add_expert_format(tree, actx->pinfo, &ei_ansi_tcap_dissector_not_implemented, tvb, 0, -1,
|
|
"Dissector for ANSI TCAP PRIVATE code:%u not implemented.\n"
|
|
"Contact Wireshark developers if you want this supported(Spec required)",
|
|
ansi_tcap_private.d.OperationCode_private);
|
|
return FALSE;
|
|
}
|
|
}
|
|
/* This is abit of a hack as it assumes the private codes with a "family" of 0x09 is ANSI MAP
|
|
* See TODO above.
|
|
* N.S0005-0 v 1.0 TCAP Formats and Procedures 5-16 Application Services
|
|
* 6.3.2 Component Portion
|
|
* The Operation Code is partitioned into an Operation Family followed by a
|
|
* Specifier associated with each Operation Family member. For TIA/EIA-41 the
|
|
* Operation Family is coded as decimal 9. Bit H of the Operation Family is always
|
|
* coded as 0.
|
|
*/
|
|
call_dissector_with_data(ansi_map_handle, tvb, actx->pinfo, tcap_top_tree, &ansi_tcap_private);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#include "packet-ansi_tcap-fn.c"
|
|
|
|
|
|
|
|
|
|
static void
|
|
dissect_ansi_tcap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
|
|
{
|
|
proto_item *item=NULL;
|
|
proto_tree *tree=NULL;
|
|
#if 0
|
|
proto_item *stat_item=NULL;
|
|
proto_tree *stat_tree=NULL;
|
|
gint offset = 0;
|
|
struct tcaphash_context_t * p_tcap_context;
|
|
dissector_handle_t subdissector_handle;
|
|
#endif
|
|
asn1_ctx_t asn1_ctx;
|
|
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
|
|
ansi_tcap_ctx_init(&ansi_tcap_private);
|
|
|
|
tcap_top_tree = parent_tree;
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ANSI TCAP");
|
|
|
|
/* create display subtree for the protocol */
|
|
if(parent_tree){
|
|
item = proto_tree_add_item(parent_tree, proto_ansi_tcap, tvb, 0, -1, ENC_NA);
|
|
tree = proto_item_add_subtree(item, ett_tcap);
|
|
tcap_stat_item=item;
|
|
tcap_stat_tree=tree;
|
|
}
|
|
cur_oid = NULL;
|
|
tcapext_oid = NULL;
|
|
|
|
gp_tcapsrt_info=tcapsrt_razinfo();
|
|
tcap_subdissector_used=FALSE;
|
|
gp_tcap_context=NULL;
|
|
dissect_ansi_tcap_PackageType(FALSE, tvb, 0, &asn1_ctx, tree, -1);
|
|
|
|
#if 0 /* Skip this part for now it will be rewritten */
|
|
if (g_ansi_tcap_HandleSRT && !tcap_subdissector_used ) {
|
|
if (gtcap_DisplaySRT && tree) {
|
|
stat_tree = proto_tree_add_subtree(tree, tvb, 0, 0, ett_ansi_tcap_stat, &stat_item, "Stat");
|
|
PROTO_ITEM_SET_GENERATED(stat_item);
|
|
}
|
|
p_tcap_context=tcapsrt_call_matching(tvb, pinfo, stat_tree, gp_tcapsrt_info);
|
|
ansi_tcap_private.context=p_tcap_context;
|
|
|
|
/* If the current message is TCAP only,
|
|
* save the Application contexte name for the next messages
|
|
*/
|
|
if ( p_tcap_context && cur_oid && !p_tcap_context->oid_present ) {
|
|
/* Save the application context and the sub dissector */
|
|
g_strlcpy(p_tcap_context->oid, cur_oid, sizeof(p_tcap_context->oid));
|
|
if ( (subdissector_handle = dissector_get_string_handle(ber_oid_dissector_table, cur_oid)) ) {
|
|
p_tcap_context->subdissector_handle=subdissector_handle;
|
|
p_tcap_context->oid_present=TRUE;
|
|
}
|
|
}
|
|
if (g_ansi_tcap_HandleSRT && p_tcap_context && p_tcap_context->callback) {
|
|
/* Callback fonction for the upper layer */
|
|
(p_tcap_context->callback)(tvb, pinfo, stat_tree, p_tcap_context);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_ansi_tcap(void)
|
|
{
|
|
|
|
ansi_map_handle = find_dissector("ansi_map");
|
|
ber_oid_dissector_table = find_dissector_table("ber.oid");
|
|
}
|
|
|
|
|
|
|
|
void
|
|
proto_register_ansi_tcap(void)
|
|
{
|
|
module_t *ansi_tcap_module;
|
|
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
/* Tcap Service Response Time */
|
|
{ &hf_ansi_tcapsrt_SessionId,
|
|
{ "Session Id",
|
|
"ansi_tcap.srt.session_id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_ansi_tcapsrt_BeginSession,
|
|
{ "Begin Session",
|
|
"ansi_tcap.srt.begin",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"SRT Begin of Session", HFILL }
|
|
},
|
|
{ &hf_ansi_tcapsrt_EndSession,
|
|
{ "End Session",
|
|
"ansi_tcap.srt.end",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"SRT End of Session", HFILL }
|
|
},
|
|
{ &hf_ansi_tcapsrt_SessionTime,
|
|
{ "Session duration",
|
|
"ansi_tcap.srt.sessiontime",
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
|
|
"Duration of the TCAP session", HFILL }
|
|
},
|
|
{ &hf_ansi_tcapsrt_Duplicate,
|
|
{ "Request Duplicate",
|
|
"ansi_tcap.srt.duplicate",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_ansi_tcap_bit_h,
|
|
{ "Require Reply", "ansi_tcap.req_rep",
|
|
FT_BOOLEAN, 16, NULL, 0x8000,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_ansi_tcap_op_family,
|
|
{ "Family",
|
|
"ansi_tcap.op_family",
|
|
FT_UINT16, BASE_DEC, VALS(ansi_tcap_national_op_code_family_vals), 0x7f00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_ansi_tcap_op_specifier,
|
|
{ "Specifier",
|
|
"ansi_tcap.op_specifier",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00ff,
|
|
NULL, HFILL }
|
|
},
|
|
#include "packet-ansi_tcap-hfarr.c"
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_tcap,
|
|
&ett_param,
|
|
&ett_otid,
|
|
&ett_dtid,
|
|
&ett_ansi_tcap_stat,
|
|
&ett_ansi_tcap_op_code_nat,
|
|
#include "packet-ansi_tcap-ettarr.c"
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_ansi_tcap_dissector_not_implemented, { "ansi_tcap.dissector_not_implemented", PI_UNDECODED, PI_WARN, "Dissector not implemented", EXPFILL }},
|
|
};
|
|
|
|
expert_module_t* expert_ansi_tcap;
|
|
|
|
static const enum_val_t ansi_tcap_response_matching_type_values[] = {
|
|
{"Only Transaction ID will be used in Invoke/response matching", "Transaction ID only", 0},
|
|
{"Transaction ID and Source will be used in Invoke/response matching", "Transaction ID and Source", 1},
|
|
{"Transaction ID Source and Destination will be used in Invoke/response matching", "Transaction ID Source and Destination", 2},
|
|
{NULL, NULL, -1}
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_ansi_tcap = proto_register_protocol(PNAME, PSNAME, PFNAME);
|
|
register_dissector("ansi_tcap", dissect_ansi_tcap, proto_ansi_tcap);
|
|
|
|
/* Note the high bit should be masked off when registering in this table (0x7fff)*/
|
|
ansi_tcap_national_opcode_table = register_dissector_table("ansi_tcap.nat.opcode", "ANSI TCAP National Opcodes", FT_UINT16, BASE_DEC);
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_ansi_tcap, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
expert_ansi_tcap = expert_register_protocol(proto_ansi_tcap);
|
|
expert_register_field_array(expert_ansi_tcap, ei, array_length(ei));
|
|
|
|
ansi_tcap_module = prefs_register_protocol(proto_ansi_tcap, proto_reg_handoff_ansi_tcap);
|
|
|
|
prefs_register_enum_preference(ansi_tcap_module, "transaction.matchtype",
|
|
"Type of matching invoke/response",
|
|
"Type of matching invoke/response, risk of missmatch if loose matching choosen",
|
|
&ansi_tcap_response_matching_type, ansi_tcap_response_matching_type_values, FALSE);
|
|
|
|
register_init_routine(&ansi_tcap_init_protocol);
|
|
}
|