/* packet-hnbap-template.c
 * Routines for UMTS Node B Application Part(HNBAP) packet dissection
 * Copyright 2010 Neil Piercy, ip.access Limited <Neil.Piercy@ipaccess.com>
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Ref: 3GPP TS 25.469 version 8.4.0 Release 8
 */

#include "config.h"

#include <epan/packet.h>
#include <epan/sctpppids.h>
#include <epan/asn1.h>
#include <epan/prefs.h>
#include <epan/proto_data.h>

#include "packet-per.h"
#include "packet-e212.h"

#ifdef _MSC_VER
/* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */
#pragma warning(disable:4146)
#endif

#define PNAME  "UTRAN Iuh interface HNBAP signalling"
#define PSNAME "HNBAP"
#define PFNAME "hnbap"
/* Dissector will use SCTP PPID 20 or SCTP port. IANA assigned port = 29169*/
#define SCTP_PORT_HNBAP              29169

void proto_register_hnbap(void);

#include "packet-hnbap-val.h"

/* Initialize the protocol and registered fields */
static int proto_hnbap = -1;

#include "packet-hnbap-hf.c"

/* Initialize the subtree pointers */
static int ett_hnbap = -1;
static int ett_hnbap_imsi = -1;
#include "packet-hnbap-ett.c"

struct hnbap_private_data {
  e212_number_type_t number_type;
};

/* Global variables */
static guint32 ProcedureCode;
static guint32 ProtocolIE_ID;

/* Dissector tables */
static dissector_table_t hnbap_ies_dissector_table;
static dissector_table_t hnbap_extension_dissector_table;
static dissector_table_t hnbap_proc_imsg_dissector_table;
static dissector_table_t hnbap_proc_sout_dissector_table;
static dissector_table_t hnbap_proc_uout_dissector_table;

static dissector_handle_t hnbap_handle;

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 *);
void proto_reg_handoff_hnbap(void);

static struct hnbap_private_data*
hnbap_get_private_data(packet_info *pinfo)
{
  struct hnbap_private_data *hnbap_data = (struct hnbap_private_data*)p_get_proto_data(pinfo->pool, pinfo, proto_hnbap, 0);
  if (!hnbap_data) {
    hnbap_data = wmem_new0(pinfo->pool, struct hnbap_private_data);
    p_add_proto_data(pinfo->pool, pinfo, proto_hnbap, 0, hnbap_data);
  }
  return hnbap_data;
}

#include "packet-hnbap-fn.c"

static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
  return (dissector_try_uint_new(hnbap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? 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_new(hnbap_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}
#if 0
static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
  if (!ProcedureCode) return 0;
  return (dissector_try_string(hnbap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree, NULL)) ? tvb_captured_length(tvb) : 0;
}

static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
  if (!ProcedureCode) return 0;
  return (dissector_try_string(hnbap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree, NULL)) ? tvb_captured_length(tvb) : 0;
}

static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
  if (!ProcedureCode) return 0;
  return (dissector_try_string(hnbap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, NULL)) ? tvb_captured_length(tvb) : 0;
}
#endif

static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
  return (dissector_try_uint_new(hnbap_proc_imsg_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? 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_new(hnbap_proc_sout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? 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_new(hnbap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0;
}

static int
dissect_hnbap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
    proto_item  *hnbap_item = NULL;
    proto_tree  *hnbap_tree = NULL;

    /* make entry in the Protocol column on summary display */
    col_set_str(pinfo->cinfo, COL_PROTOCOL, "HNBAP");

    /* create the hnbap protocol tree */
    hnbap_item = proto_tree_add_item(tree, proto_hnbap, tvb, 0, -1, ENC_NA);
    hnbap_tree = proto_item_add_subtree(hnbap_item, ett_hnbap);

    return dissect_HNBAP_PDU_PDU(tvb, pinfo, hnbap_tree, data);
}

/*--- proto_register_hnbap -------------------------------------------*/
void proto_register_hnbap(void) {

  /* List of fields */

  static hf_register_info hf[] = {

#include "packet-hnbap-hfarr.c"
  };

  /* List of subtrees */
  static gint *ett[] = {
          &ett_hnbap,
          &ett_hnbap_imsi,
#include "packet-hnbap-ettarr.c"
  };


  /* Register protocol */
  proto_hnbap = proto_register_protocol(PNAME, PSNAME, PFNAME);
  /* Register fields and subtrees */
  proto_register_field_array(proto_hnbap, hf, array_length(hf));
  proto_register_subtree_array(ett, array_length(ett));

  /* Register dissector */
  hnbap_handle = register_dissector("hnbap", dissect_hnbap, proto_hnbap);

  /* Register dissector tables */
  hnbap_ies_dissector_table = register_dissector_table("hnbap.ies", "HNBAP-PROTOCOL-IES", proto_hnbap, FT_UINT32, BASE_DEC);
  hnbap_extension_dissector_table = register_dissector_table("hnbap.extension", "HNBAP-PROTOCOL-EXTENSION", proto_hnbap, FT_UINT32, BASE_DEC);
  hnbap_proc_imsg_dissector_table = register_dissector_table("hnbap.proc.imsg", "HNBAP-ELEMENTARY-PROCEDURE InitiatingMessage", proto_hnbap, FT_UINT32, BASE_DEC);
  hnbap_proc_sout_dissector_table = register_dissector_table("hnbap.proc.sout", "HNBAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_hnbap, FT_UINT32, BASE_DEC);
  hnbap_proc_uout_dissector_table = register_dissector_table("hnbap.proc.uout", "HNBAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_hnbap, FT_UINT32, BASE_DEC);

  /* hnbap_module = prefs_register_protocol(proto_hnbap, NULL); */
}


/*--- proto_reg_handoff_hnbap ---------------------------------------*/
void
proto_reg_handoff_hnbap(void)
{
        dissector_add_uint("sctp.ppi", HNBAP_PAYLOAD_PROTOCOL_ID, hnbap_handle);
        dissector_add_uint_with_preference("sctp.port", SCTP_PORT_HNBAP, hnbap_handle);
#include "packet-hnbap-dis-tab.c"

}