/* packet-ranap.c * Routines for UMTS Node B Application Part(RANAP) packet dissection * Copyright 2005, Anders Broman * * $Id$ * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * References: 3GPP TS 25.413 version 6.6.0 Release */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include #include "packet-ber.h" #include "packet-per.h" #include "packet-gsm_map.h" #include "packet-ranap.h" #include "packet-e212.h" #include "packet-sccp.h" #ifdef _MSC_VER /* disable: "warning C4146: unary minus operator applied to unsigned type, result still unsigned" */ #pragma warning(disable:4146) #endif #define SCCP_SSN_RANAP 0x8E #define PNAME "Radio Access Network Application Part" #define PSNAME "RANAP" #define PFNAME "ranap" #include "packet-ranap-val.h" static dissector_handle_t ranap_handle = NULL; /* Initialize the protocol and registered fields */ static int proto_ranap = -1; static int hf_ranap_imsi_digits = -1; #include "packet-ranap-hf.c" /* Initialize the subtree pointers */ static int ett_ranap = -1; #include "packet-ranap-ett.c" /* Global variables */ static guint32 ProcedureCode; static guint32 ProtocolIE_ID; static guint32 ProtocolExtensionID; /* Dissector tables */ static dissector_table_t ranap_ies_dissector_table; static dissector_table_t ranap_ies_p1_dissector_table; static dissector_table_t ranap_ies_p2_dissector_table; static dissector_table_t ranap_extension_dissector_table; static dissector_table_t ranap_proc_imsg_dissector_table; static dissector_table_t ranap_proc_sout_dissector_table; static dissector_table_t ranap_proc_uout_dissector_table; static dissector_table_t ranap_proc_out_dissector_table; static dissector_table_t nas_pdu_dissector_table; static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_SuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_UnsuccessfulOutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); static int dissect_OutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); #include "packet-ranap-fn.c" static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_ies_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static int dissect_ProtocolIEFieldPairFirstValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_ies_p1_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static int dissect_ProtocolIEFieldPairSecondValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_ies_p2_dissector_table, ProtocolIE_ID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static int dissect_ProtocolExtensionFieldExtensionValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_extension_dissector_table, ProtocolExtensionID, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static int dissect_InitiatingMessageValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_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) { return (dissector_try_port(ranap_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) { return (dissector_try_port(ranap_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static int dissect_OutcomeValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { return (dissector_try_port(ranap_proc_out_dissector_table, ProcedureCode, tvb, pinfo, tree)) ? tvb_length(tvb) : 0; } static void dissect_ranap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_item *ranap_item = NULL; proto_tree *ranap_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, "RANAP"); /* create the ranap protocol tree */ ranap_item = proto_tree_add_item(tree, proto_ranap, tvb, 0, -1, FALSE); ranap_tree = proto_item_add_subtree(ranap_item, ett_ranap); dissect_RANAP_PDU_PDU(tvb, pinfo, ranap_tree); if (pinfo->sccp_info) { sccp_msg_info_t* sccp_msg = pinfo->sccp_info; if (sccp_msg->data.co.assoc) sccp_msg->data.co.assoc->payload = SCCP_PLOAD_RANAP; if (! sccp_msg->data.co.label && ProcedureCode != 0xFFFFFFFF) { const gchar* str = val_to_str(ProcedureCode, ranap_ProcedureCode_vals,"Unknown RANAP"); sccp_msg->data.co.label = se_strdup(str); } } } /*--- proto_register_ranap -------------------------------------------*/ void proto_register_ranap(void) { /* List of fields */ static hf_register_info hf[] = { { &hf_ranap_imsi_digits, { "IMSI digits", "ranap.imsi_digits", FT_STRING, BASE_NONE, NULL, 0, "IMSI digits", HFILL }}, #include "packet-ranap-hfarr.c" }; /* List of subtrees */ static gint *ett[] = { &ett_ranap, #include "packet-ranap-ettarr.c" }; /* Register protocol */ proto_ranap = proto_register_protocol(PNAME, PSNAME, PFNAME); /* Register fields and subtrees */ proto_register_field_array(proto_ranap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); /* Register dissector */ register_dissector("ranap", dissect_ranap, proto_ranap); ranap_handle = find_dissector("ranap"); /* Register dissector tables */ ranap_ies_dissector_table = register_dissector_table("ranap.ies", "RANAP-PROTOCOL-IES", FT_UINT32, BASE_DEC); ranap_ies_p1_dissector_table = register_dissector_table("ranap.ies.pair.first", "RANAP-PROTOCOL-IES-PAIR FirstValue", FT_UINT32, BASE_DEC); ranap_ies_p2_dissector_table = register_dissector_table("ranap.ies.pair.second", "RANAP-PROTOCOL-IES-PAIR SecondValue", FT_UINT32, BASE_DEC); ranap_extension_dissector_table = register_dissector_table("ranap.extension", "RANAP-PROTOCOL-EXTENSION", FT_UINT32, BASE_DEC); ranap_proc_imsg_dissector_table = register_dissector_table("ranap.proc.imsg", "RANAP-ELEMENTARY-PROCEDURE InitiatingMessage", FT_UINT32, BASE_DEC); ranap_proc_sout_dissector_table = register_dissector_table("ranap.proc.sout", "RANAP-ELEMENTARY-PROCEDURE SuccessfulOutcome", FT_UINT32, BASE_DEC); ranap_proc_uout_dissector_table = register_dissector_table("ranap.proc.uout", "RANAP-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", FT_UINT32, BASE_DEC); ranap_proc_out_dissector_table = register_dissector_table("ranap.proc.out", "RANAP-ELEMENTARY-PROCEDURE Outcome", FT_UINT32, BASE_DEC); nas_pdu_dissector_table = register_dissector_table("ranap.nas_pdu", "RANAP NAS PDU", FT_UINT8, BASE_DEC); } /*--- proto_reg_handoff_ranap ---------------------------------------*/ void proto_reg_handoff_ranap(void) { dissector_add("sccp.ssn", SCCP_SSN_RANAP, ranap_handle); #include "packet-ranap-dis-tab.c" }