text: /* packet-m3ap.c
   * Routines for M3 Application Protocol packet dissection
   *
   * 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.
   *
   * Reference: 3GPP TS 36.444 v11.0.0
   */
  
  #include "config.h"
  
  #include <epan/packet.h>
  
  #include <epan/strutil.h>
  #include <epan/asn1.h>
  #include <epan/sctpppids.h>
  #include <epan/expert.h>
  
  #include "packet-ber.h"
  #include "packet-per.h"
  #include "packet-e212.h"
  #include "packet-gtpv2.h"
  #include "packet-ntp.h"
  
  #define PNAME  "M3 Application Protocol"
  #define PSNAME "M3AP"
  #define PFNAME "m3ap"
  
  void proto_register_m3ap(void);
  void proto_reg_handoff_m3ap(void);
  
  /* M3AP uses port 36444 as recommended by IANA. */
  #define M3AP_PORT 36444
  static dissector_handle_t m3ap_handle=NULL;
  
  #include "packet-m3ap-val.h"
  
  /* Initialize the protocol and registered fields */
  static int proto_m3ap = -1;
  
  static int hf_m3ap_Absolute_Time_ofMBMS_Data_value = -1;
  static int hf_m3ap_IPAddress_v4 = -1;
  static int hf_m3ap_IPAddress_v6 = -1;
  
  #include "packet-m3ap-hf.c"
  
  /* Initialize the subtree pointers */
  static int ett_m3ap = -1;
  
  #include "packet-m3ap-ett.c"
  
  static expert_field ei_m3ap_invalid_ip_address_len = EI_INIT;
  
  enum{
    INITIATING_MESSAGE,
    SUCCESSFUL_OUTCOME,
    UNSUCCESSFUL_OUTCOME
  };
  
  /* Global variables */
  static guint32 ProcedureCode;
  static guint32 ProtocolIE_ID;
  /*static guint32 ProtocolExtensionID; */
  static int global_m3ap_port = M3AP_PORT;
  static guint32 message_type;
  
  /* Dissector tables */
  static dissector_table_t m3ap_ies_dissector_table;
  static dissector_table_t m3ap_extension_dissector_table;
  static dissector_table_t m3ap_proc_imsg_dissector_table;
  static dissector_table_t m3ap_proc_sout_dissector_table;
  static dissector_table_t m3ap_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 *);
  
  #include "packet-m3ap-fn.c"
  
  static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
  {
    return (dissector_try_uint(m3ap_ies_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(m3ap_extension_dissector_table, ProtocolIE_ID, 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(m3ap_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(m3ap_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(m3ap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_captured_length(tvb) : 0;
  }
  
  
  static void
  dissect_m3ap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
  {
    proto_item      *m3ap_item = NULL;
    proto_tree      *m3ap_tree = NULL;
  
    /* make entry in the Protocol column on summary display */
    col_set_str(pinfo->cinfo, COL_PROTOCOL, PNAME);
  
    /* create the m3ap protocol tree */
    if (tree) {
      m3ap_item = proto_tree_add_item(tree, proto_m3ap, tvb, 0, -1, ENC_NA);
      m3ap_tree = proto_item_add_subtree(m3ap_item, ett_m3ap);
  
      dissect_M3AP_PDU_PDU(tvb, pinfo, m3ap_tree, NULL);
    }
  }
  /*--- proto_register_m3ap -------------------------------------------*/
  void proto_register_m3ap(void) {
  
    /* List of fields */
    static hf_register_info hf[] = {
      { &hf_m3ap_Absolute_Time_ofMBMS_Data_value,
        { "Absolute-Time-ofMBMS-Data-value", "m3ap.Absolute_Time_ofMBMS_Data_value",
           FT_STRING, BASE_NONE, NULL, 0,
           NULL, HFILL }
      },
      { &hf_m3ap_IPAddress_v4,
        { "IPAddress", "m3ap.IPAddress_v4",
           FT_IPv4, BASE_NONE, NULL, 0,
           NULL, HFILL }
      },
      { &hf_m3ap_IPAddress_v6,
        { "IPAddress", "m3ap.IPAddress_v6",
           FT_IPv6, BASE_NONE, NULL, 0,
           NULL, HFILL }
      },
  
  #include "packet-m3ap-hfarr.c"
    };
  
    /* List of subtrees */
    static gint *ett[] = {
                    &ett_m3ap,
  #include "packet-m3ap-ettarr.c"
    };
  
    expert_module_t* expert_m3ap;
  
    static ei_register_info ei[] = {
       { &ei_m3ap_invalid_ip_address_len, { "m3ap.invalid_ip_address_len", PI_MALFORMED, PI_ERROR, "Invalid IP address length", EXPFILL }}
    };
  
    /* Register protocol */
    proto_m3ap = proto_register_protocol(PNAME, PSNAME, PFNAME);
    /* Register fields and subtrees */
    proto_register_field_array(proto_m3ap, hf, array_length(hf));
    proto_register_subtree_array(ett, array_length(ett));
    expert_m3ap = expert_register_protocol(proto_m3ap);
    expert_register_field_array(expert_m3ap, ei, array_length(ei));
  
    /* Register dissector tables */
    m3ap_ies_dissector_table = register_dissector_table("m3ap.ies", "M3AP-PROTOCOL-IES", FT_UINT32, BASE_DEC);
    m3ap_extension_dissector_table = register_dissector_table("m3ap.extension", "M3AP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC);
    m3ap_proc_imsg_dissector_table = register_dissector_table("m3ap.proc.imsg", "M3AP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC);
    m3ap_proc_sout_dissector_table = register_dissector_table("m3ap.proc.sout", "M3AP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC);
    m3ap_proc_uout_dissector_table = register_dissector_table("m3ap.proc.uout", "M3AP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC);
  }
  
  
  /*--- proto_reg_handoff_m3ap ---------------------------------------*/
  void
  proto_reg_handoff_m3ap(void)
  {
    static gboolean inited = FALSE;
    static guint SctpPort;
  
    if( !inited ) {
      m3ap_handle = create_dissector_handle(dissect_m3ap, proto_m3ap);
      dissector_add_uint("sctp.ppi", PROTO_3GPP_M3AP_PROTOCOL_ID, m3ap_handle);
      inited = TRUE;
  #include "packet-m3ap-dis-tab.c"
      dissector_add_uint("m3ap.extension", 17, new_create_dissector_handle(dissect_AllocationAndRetentionPriority_PDU, proto_m3ap));
    }
    else {
      if (SctpPort != 0) {
        dissector_delete_uint("sctp.port", SctpPort, m3ap_handle);
      }
    }
  
    SctpPort = global_m3ap_port;
    if (SctpPort != 0) {
      dissector_add_uint("sctp.port", SctpPort, m3ap_handle);
    }
  }
  