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/* packet-sbc-ap.c
* Routines for SBc Application Part (SBc-AP) packet dissection
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+
*
* Ref 3GPP TS 29.168
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/asn1.h>
#include <epan/sctpppids.h>
#include <epan/proto_data.h>
#include "packet-ber.h"
#include "packet-per.h"
#include "packet-e212.h"
#include "packet-gsm_map.h"
#include "packet-s1ap.h"
#include "packet-lte-rrc.h"
#define PNAME "SBc Application Part"
#define PSNAME "SBCAP"
#define PFNAME "sbcap"
void proto_register_sbc_ap(void);
void proto_reg_handoff_sbc_ap(void);
/* The registered port number for SBc-AP is 29168.
* The registered payload protocol identifier for SBc-AP is 24.
*/
#define SBC_AP_PORT 29168
static dissector_handle_t sbc_ap_handle=NULL;
#include "packet-sbc-ap-val.h"
/* Initialize the protocol and registered fields */
static int proto_sbc_ap = -1;
static int hf_sbc_ap_Serial_Number_gs = -1;
static int hf_sbc_ap_Serial_Number_msg_code = -1;
static int hf_sbc_ap_Serial_Number_upd_nb = -1;
static int hf_sbc_ap_Warning_Type_value = -1;
static int hf_sbc_ap_Warning_Type_emergency_user_alert = -1;
static int hf_sbc_ap_Warning_Type_popup = -1;
static int hf_sbc_ap_Warning_Message_Contents_nb_pages = -1;
static int hf_sbc_ap_Warning_Message_Contents_decoded_page = -1;
#include "packet-sbc-ap-hf.c"
/* Initialize the subtree pointers */
static int ett_sbc_ap = -1;
static int ett_sbc_ap_Serial_Number = -1;
static int ett_sbc_ap_Warning_Type = -1;
static int ett_sbc_ap_Data_Coding_Scheme = -1;
static int ett_sbc_ap_Warning_Message_Contents = -1;
#include "packet-sbc-ap-ett.c"
enum{
INITIATING_MESSAGE,
SUCCESSFUL_OUTCOME,
UNSUCCESSFUL_OUTCOME
};
struct sbc_ap_private_data {
guint8 data_coding_scheme;
};
/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;
static guint32 ProtocolExtensionID;
static int global_sbc_ap_port = SBC_AP_PORT;
/* Dissector tables */
static dissector_table_t sbc_ap_ies_dissector_table;
static dissector_table_t sbc_ap_extension_dissector_table;
static dissector_table_t sbc_ap_proc_imsg_dissector_table;
static dissector_table_t sbc_ap_proc_sout_dissector_table;
static dissector_table_t sbc_ap_proc_uout_dissector_table;
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *);
static struct sbc_ap_private_data*
sbc_ap_get_private_data(packet_info *pinfo)
{
struct sbc_ap_private_data *sbc_ap_data = (struct sbc_ap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_sbc_ap, 0);
if (!sbc_ap_data) {
sbc_ap_data = wmem_new0(pinfo->pool, struct sbc_ap_private_data);
p_add_proto_data(pinfo->pool, pinfo, proto_sbc_ap, 0, sbc_ap_data);
}
return sbc_ap_data;
}
#include "packet-sbc-ap-fn.c"
static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
/* Currently not used
static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_ies_p1_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_ies_p2_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
*/
static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_extension_dissector_table, ProtocolExtensionID, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
return (dissector_try_uint(sbc_ap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
}
static int
dissect_sbc_ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *sbc_ap_item = NULL;
proto_tree *sbc_ap_tree = NULL;
/* make entry in the Protocol column on summary display */
col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
/* create the sbc_ap protocol tree */
if (tree) {
sbc_ap_item = proto_tree_add_item(tree, proto_sbc_ap, tvb, 0, -1, ENC_NA);
sbc_ap_tree = proto_item_add_subtree(sbc_ap_item, ett_sbc_ap);
dissect_SBC_AP_PDU_PDU(tvb, pinfo, sbc_ap_tree, NULL);
}
return tvb_captured_length(tvb);
}
/*--- proto_register_sbc_ap -------------------------------------------*/
void proto_register_sbc_ap(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_sbc_ap_Serial_Number_gs,
{ "Geographical Scope", "sbc_ap.SerialNumber.gs",
FT_UINT16, BASE_DEC, VALS(s1ap_serialNumber_gs_vals), 0xc000,
NULL, HFILL }},
{ &hf_sbc_ap_Serial_Number_msg_code,
{ "Message Code", "sbc_ap.SerialNumber.msg_code",
FT_UINT16, BASE_DEC, NULL, 0x3ff0,
NULL, HFILL }},
{ &hf_sbc_ap_Serial_Number_upd_nb,
{ "Update Number", "sbc_ap.SerialNumber.upd_nb",
FT_UINT16, BASE_DEC, NULL, 0x000f,
NULL, HFILL }},
{ &hf_sbc_ap_Warning_Type_value,
{ "Warning Type Value", "sbc-ap.WarningType.value",
FT_UINT16, BASE_DEC, VALS(s1ap_warningType_vals), 0xfe00,
NULL, HFILL }},
{ &hf_sbc_ap_Warning_Type_emergency_user_alert,
{ "Emergency User Alert", "sbc-ap.WarningType.emergency_user_alert",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0100,
NULL, HFILL }},
{ &hf_sbc_ap_Warning_Type_popup,
{ "Popup", "sbc-ap.WarningType.popup",
FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0080,
NULL, HFILL }},
{ &hf_sbc_ap_Warning_Message_Contents_nb_pages,
{ "Number of Pages", "sbc-ap.WarningMessageContents.nb_pages",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_sbc_ap_Warning_Message_Contents_decoded_page,
{ "Decoded Page", "sbc-ap.WarningMessageContents.decoded_page",
FT_STRING, STR_UNICODE, NULL, 0,
NULL, HFILL }},
#include "packet-sbc-ap-hfarr.c"
};
/* List of subtrees */
static gint *ett[] = {
&ett_sbc_ap,
&ett_sbc_ap_Serial_Number,
&ett_sbc_ap_Warning_Type,
&ett_sbc_ap_Data_Coding_Scheme,
&ett_sbc_ap_Warning_Message_Contents,
#include "packet-sbc-ap-ettarr.c"
};
/* Register protocol */
proto_sbc_ap = proto_register_protocol(PNAME, PSNAME, PFNAME);
/* Register fields and subtrees */
proto_register_field_array(proto_sbc_ap, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
/* Register dissector tables */
sbc_ap_ies_dissector_table = register_dissector_table("sbc_ap.ies", "SBC-AP-PROTOCOL-IES", proto_sbc_ap, FT_UINT32, BASE_DEC);
sbc_ap_extension_dissector_table = register_dissector_table("sbc_ap.extension", "SBC-AP-PROTOCOL-EXTENSION", proto_sbc_ap, FT_UINT32, BASE_DEC);
sbc_ap_proc_imsg_dissector_table = register_dissector_table("sbc_ap.proc.imsg", "SBC-AP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_sbc_ap, FT_UINT32, BASE_DEC);
sbc_ap_proc_sout_dissector_table = register_dissector_table("sbc_ap.proc.sout", "SBC-AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_sbc_ap, FT_UINT32, BASE_DEC);
sbc_ap_proc_uout_dissector_table = register_dissector_table("sbc_ap.proc.uout", "SBC-AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_sbc_ap, FT_UINT32, BASE_DEC);
}
/*--- proto_reg_handoff_sbc_ap ---------------------------------------*/
void
proto_reg_handoff_sbc_ap(void)
{
static gboolean inited = FALSE;
static guint SctpPort;
if( !inited ) {
sbc_ap_handle = create_dissector_handle(dissect_sbc_ap, proto_sbc_ap);
dissector_add_uint("sctp.ppi", SBC_AP_PAYLOAD_PROTOCOL_ID, sbc_ap_handle);
inited = TRUE;
#include "packet-sbc-ap-dis-tab.c"
} else {
if (SctpPort != 0) {
dissector_delete_uint("sctp.port", SctpPort, sbc_ap_handle);
}
}
SctpPort = global_sbc_ap_port;
if (SctpPort != 0) {
dissector_add_uint("sctp.port", SctpPort, sbc_ap_handle);
}
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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