/* packet-m3ap.c * Routines for M3 Application Protocol packet dissection * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include #include #include #include #include #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" /* 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 = -1; #include "packet-m3ap-hf.c" /* Initialize the subtree pointers */ static int ett_m3ap = -1; #include "packet-m3ap-ett.c" 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_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_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_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_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_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 */ if (check_col(pinfo->cinfo, COL_PROTOCOL)) 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, { "IPAddress", "m3ap.IPAddress", 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" }; /* 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)); /* 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); } }