/* packet-rua-template.c * Routines for UMTS Home Node B RANAP User Adaptation (RUA) packet dissection * Copyright 2010 Neil Piercy, ip.access Limited * * 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. * * Ref: 3GPP TS 25.468 version 8.1.0 Release 8 */ #include "config.h" #include #include #include #include #include "packet-per.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 RUA signalling" #define PSNAME "RUA" #define PFNAME "rua" /* Dissector to use SCTP PPID 19 or a configured SCTP port. IANA assigned port = 29169*/ #define SCTP_PORT_RUA 29169; void proto_register_rua(void); #include "packet-rua-val.h" /* Initialize the protocol and registered fields */ static int proto_rua = -1; #include "packet-rua-hf.c" /* Initialize the subtree pointers */ static int ett_rua = -1; /* initialise sub-dissector handles */ static dissector_handle_t ranap_handle = NULL; #include "packet-rua-ett.c" /* Global variables */ static guint32 ProcedureCode; static guint32 ProtocolIE_ID; static guint global_sctp_port = SCTP_PORT_RUA /* Dissector tables */ static dissector_table_t rua_ies_dissector_table; static dissector_table_t rua_extension_dissector_table; static dissector_table_t rua_proc_imsg_dissector_table; static dissector_table_t rua_proc_sout_dissector_table; static dissector_table_t rua_proc_uout_dissector_table; static dissector_handle_t rua_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_rua(void); #include "packet-rua-fn.c" static int dissect_ProtocolIEFieldValue(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { return (dissector_try_uint_new(rua_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(rua_extension_dissector_table, ProtocolIE_ID, tvb, pinfo, tree, FALSE, NULL)) ? 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_new(rua_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(rua_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(rua_proc_uout_dissector_table, ProcedureCode, tvb, pinfo, tree, FALSE, NULL)) ? tvb_captured_length(tvb) : 0; } static int dissect_rua(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { proto_item *rua_item = NULL; proto_tree *rua_tree = NULL; /* make entry in the Protocol column on summary display */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "RUA"); /* create the rua protocol tree */ rua_item = proto_tree_add_item(tree, proto_rua, tvb, 0, -1, ENC_NA); rua_tree = proto_item_add_subtree(rua_item, ett_rua); return dissect_RUA_PDU_PDU(tvb, pinfo, rua_tree, data); } /*--- proto_register_rua -------------------------------------------*/ void proto_register_rua(void) { module_t *rua_module; /* List of fields */ static hf_register_info hf[] = { #include "packet-rua-hfarr.c" }; /* List of subtrees */ static gint *ett[] = { &ett_rua, #include "packet-rua-ettarr.c" }; /* Register protocol */ proto_rua = proto_register_protocol(PNAME, PSNAME, PFNAME); /* Register fields and subtrees */ proto_register_field_array(proto_rua, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); /* Register dissector */ rua_handle = register_dissector("rua", dissect_rua, proto_rua); /* Register dissector tables */ rua_ies_dissector_table = register_dissector_table("rua.ies", "RUA-PROTOCOL-IES", proto_rua, FT_UINT32, BASE_DEC); rua_extension_dissector_table = register_dissector_table("rua.extension", "RUA-PROTOCOL-EXTENSION", proto_rua, FT_UINT32, BASE_DEC); rua_proc_imsg_dissector_table = register_dissector_table("rua.proc.imsg", "RUA-ELEMENTARY-PROCEDURE InitiatingMessage", proto_rua, FT_UINT32, BASE_DEC); rua_proc_sout_dissector_table = register_dissector_table("rua.proc.sout", "RUA-ELEMENTARY-PROCEDURE SuccessfulOutcome", proto_rua, FT_UINT32, BASE_DEC); rua_proc_uout_dissector_table = register_dissector_table("rua.proc.uout", "RUA-ELEMENTARY-PROCEDURE UnsuccessfulOutcome", proto_rua, FT_UINT32, BASE_DEC); rua_module = prefs_register_protocol(proto_rua, proto_reg_handoff_rua); prefs_register_uint_preference(rua_module, "port", "RUA SCTP Port", "Set the port for RUA messages (Default of 29169)", 10, &global_sctp_port); } /*--- proto_reg_handoff_rua ---------------------------------------*/ void proto_reg_handoff_rua(void) { static gboolean initialized = FALSE; static guint sctp_port; if (!initialized) { ranap_handle = find_dissector_add_dependency("ranap", proto_rua); dissector_add_uint("sctp.ppi", RUA_PAYLOAD_PROTOCOL_ID, rua_handle); initialized = TRUE; #include "packet-rua-dis-tab.c" } else { dissector_delete_uint("sctp.port", sctp_port, rua_handle); } /* Set our port number for future use */ sctp_port = global_sctp_port; dissector_add_uint("sctp.port", sctp_port, rua_handle); }