292 lines
9.1 KiB
C
292 lines
9.1 KiB
C
/* packet-ain-template.c
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* Routines for AIN
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* Copyright 2018, Anders Broman <anders.broman@ericsson.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Ref
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* GR-1299-CORE
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/oids.h>
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#include <epan/asn1.h>
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#include <epan/expert.h>
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#include "packet-ber.h"
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#include "packet-ansi_tcap.h"
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#if defined(__GNUC__)
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/*
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* This is meant to handle dissect_ain_ROS' defined but not used.
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*
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* DIAG_OFF doesn't work with llvm-gcc, for some unknown reason, so
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* we just use the pragma directly.
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*/
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#pragma GCC diagnostic ignored "-Wunused-function"
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#endif
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#define PNAME "Advanced Intelligent Network"
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#define PSNAME "AIN"
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#define PFNAME "ain"
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void proto_register_ain(void);
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void proto_reg_handoff_ain(void);
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/* Initialize the protocol and registered fields */
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static int proto_ain = -1;
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static dissector_handle_t ain_handle;
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/* include constants */
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#include "packet-ain-val.h"
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static int hf_ain_ext_type_oid = -1;
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static int hf_ain_odd_even_indicator = -1;
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static int hf_ain_nature_of_address = -1;
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static int hf_ain_numbering_plan = -1;
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static int hf_ain_bcd_digits = -1;
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static int hf_ain_carrier_selection = -1;
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static int hf_ain_nature_of_carrier = -1;
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static int hf_ain_nr_digits = -1;
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static int hf_ain_carrier_bcd_digits = -1;
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static int hf_ain_amaslpid = -1;
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#include "packet-ain-hf.c"
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/* Initialize the subtree pointers */
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static int ett_ain = -1;
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static int ett_ain_digits = -1;
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static int ett_ain_carrierformat = -1;
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static int ett_ain_amaslpid = -1;
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#include "packet-ain-ett.c"
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static expert_field ei_ain_unknown_invokeData = EI_INIT;
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static expert_field ei_ain_unknown_returnResultData = EI_INIT;
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static expert_field ei_ain_unknown_returnErrorData = EI_INIT;
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/* Global variables */
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static guint32 opcode = 0;
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static guint32 errorCode = 0;
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//static const char *obj_id = NULL;
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static int ain_opcode_type;
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#define AIN_OPCODE_INVOKE 1
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#define AIN_OPCODE_RETURN_RESULT 2
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#define AIN_OPCODE_RETURN_ERROR 3
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#define AIN_OPCODE_REJECT 4
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/* Forvard declarations */
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static int dissect_invokeData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
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static int dissect_returnResultData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
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static int dissect_returnErrorData(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx);
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static const value_string ain_np_vals[] = {
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{ 0, "Unknown or not applicable"},
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{ 1, "ISDN Numbering Plan (ITU Rec. E.164)"},
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{ 2, "Telephony Numbering (ITU-T Rec. E.164,E.163)"},
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{ 3, "Data Numbering (ITU-T Rec. X.121)"},
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{ 4, "Telex Numbering (ITU-T Rec. F.69)"},
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{ 5, "Maritime Mobile Numbering"},
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{ 6, "Land Mobile Numbering (ITU-T Rec. E.212)"},
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{ 7, "Private Numbering Plan"},
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{ 0, NULL }
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};
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static const value_string ain_carrier_selection_vals[] = {
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{ 0, "No indication"},
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{ 1, "Selected carrier identification code presubscribed and not input by calling party"},
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{ 2, "Selected carrier identification code presubscribed and input by calling party"},
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{ 3, "Selected carrier identification code presubscribed, no indication of whether input by calling party"},
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{ 4, "Selected carrier identification code not presubscribed and input by calling party"},
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{ 0, NULL }
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};
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static const value_string ain_nature_of_carrier_vals[] = {
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{ 0, "No NOC Provided"},
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{ 1, "local"},
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{ 2, "intraLATA toll"},
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{ 3, "interLATA"},
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{ 4, "local, intraLATA toll and interLATA"},
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{ 5, "local and intraLATA toll"},
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{ 6, "intraLATA toll and interLATA"},
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{ 0, NULL }
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};
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#include "packet-ain-table.c"
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#include "packet-ain-fn.c"
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#include "packet-ain-table2.c"
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static int
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dissect_ain(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void *data _U_)
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{
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proto_item *ain_item;
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proto_tree *ain_tree = NULL;
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struct ansi_tcap_private_t *p_private_tcap = (struct ansi_tcap_private_t *)data;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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/* The TCAP dissector should have provided data but didn't so reject it. */
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if (data == NULL)
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return 0;
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/*
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* Make entry in the Protocol column on summary display
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*/
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "AIN");
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/*
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* create the AIN protocol tree
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*/
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ain_item = proto_tree_add_item(parent_tree, proto_ain, tvb, 0, -1, ENC_NA);
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ain_tree = proto_item_add_subtree(ain_item, ett_ain);
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switch (p_private_tcap->d.pdu) {
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/*
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1 : invoke,
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2 : returnResult,
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3 : returnError,
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4 : reject
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*/
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case 1:
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opcode = p_private_tcap->d.OperationCode_private;
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/*ansi_map_is_invoke = TRUE;*/
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s Invoke ", val_to_str(opcode, ain_opr_code_strings, "Unknown AIN PDU (%u)"));
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proto_item_append_text(p_private_tcap->d.OperationCode_item, " %s", val_to_str(opcode, ain_opr_code_strings, "Unknown AIN PDU (%u)"));
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dissect_invokeData(ain_tree, tvb, 0, &asn1_ctx);
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/*update_saved_invokedata(pinfo, p_private_tcap);*/
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break;
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//case 2:
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// opcode = find_saved_invokedata(&asn1_ctx, p_private_tcap);
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// col_add_fstr(pinfo->cinfo, COL_INFO, "%s ReturnResult ", val_to_str_ext(opcode, &ansi_map_opr_code_strings_ext, "Unknown ANSI-MAP PDU (%u)"));
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// proto_item_append_text(p_private_tcap->d.OperationCode_item, " %s", val_to_str_ext(opcode, &ansi_map_opr_code_strings_ext, "Unknown ANSI-MAP PDU (%u)"));
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// dissect_returnData(ain_tree, tvb, 0, &asn1_ctx);
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// break;
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case 3:
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ReturnError ", val_to_str(opcode, ain_opr_code_strings, "Unknown AIN PDU (%u)"));
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break;
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case 4:
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s Reject ", val_to_str(opcode, ain_opr_code_strings, "Unknown AIN PDU (%u)"));
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break;
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default:
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/* Must be Invoke ReturnResult ReturnError or Reject */
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DISSECTOR_ASSERT_NOT_REACHED();
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break;
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}
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return tvb_captured_length(tvb);
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}
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void proto_reg_handoff_ain(void) {
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/*static gboolean ain_prefs_initialized = FALSE;*/
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/*static range_t *ssn_range;*/
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}
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void proto_register_ain(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_ain_ext_type_oid,
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{ "AssignmentAuthority", "ain.ext_type_oid",
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FT_STRING, BASE_NONE, NULL, 0,
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"Type of ExtensionParameter", HFILL } },
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{ &hf_ain_odd_even_indicator,
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{ "Odd/even indicator", "ain.odd_even_indicator",
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FT_BOOLEAN, 8, TFS(&tfs_odd_even), 0x80,
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NULL, HFILL } },
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{ &hf_ain_nature_of_address,
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{ "Nature of address", "ain.nature_of_address",
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FT_UINT8, BASE_DEC, NULL, 0x7f,
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NULL, HFILL } },
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{ &hf_ain_numbering_plan,
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{ "Numbering plan", "ain.numbering_plan",
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FT_UINT8, BASE_DEC, VALS(ain_np_vals), 0x70,
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NULL, HFILL } },
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{ &hf_ain_bcd_digits,
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{ "BCD digits", "ain.bcd_digits",
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FT_STRING, BASE_NONE, NULL, 0,
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NULL, HFILL } },
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{ &hf_ain_carrier_selection,
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{ "Carrier Selection", "ain.carrier_selection",
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FT_UINT8, BASE_DEC, VALS(ain_carrier_selection_vals), 0x0,
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NULL, HFILL } },
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{ &hf_ain_nature_of_carrier,
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{ "Nature of Carrier", "ain.nature_of_carrier",
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FT_UINT8, BASE_DEC, VALS(ain_nature_of_carrier_vals), 0xf0,
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NULL, HFILL } },
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{ &hf_ain_nr_digits,
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{ "Number of Digits", "ain.nature_of_carrier",
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FT_UINT8, BASE_DEC, NULL, 0x0f,
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NULL, HFILL } },
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{ &hf_ain_carrier_bcd_digits,
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{ "Carrier digits", "ain.carrier_bcd_digits",
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FT_STRING, BASE_NONE, NULL, 0,
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NULL, HFILL } },
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{ &hf_ain_amaslpid,
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{ "AMAslpID", "ain.amaslpid",
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FT_STRING, BASE_NONE, NULL, 0,
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NULL, HFILL } },
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#include "packet-ain-hfarr.c"
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_ain,
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&ett_ain_digits,
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&ett_ain_carrierformat,
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&ett_ain_amaslpid,
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#include "packet-ain-ettarr.c"
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};
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static ei_register_info ei[] = {
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{ &ei_ain_unknown_invokeData,{ "ain.unknown.invokeData", PI_MALFORMED, PI_WARN, "Unknown invokeData", EXPFILL } },
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{ &ei_ain_unknown_returnResultData,{ "ain.unknown.returnResultData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL } },
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{ &ei_ain_unknown_returnErrorData,{ "ain.unknown.returnErrorData", PI_MALFORMED, PI_WARN, "Unknown returnResultData", EXPFILL } },
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};
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expert_module_t* expert_ain;
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/* Register protocol */
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proto_ain = proto_register_protocol(PNAME, PSNAME, PFNAME);
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ain_handle = register_dissector("ain", dissect_ain, proto_ain);
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/* Register fields and subtrees */
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proto_register_field_array(proto_ain, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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expert_ain = expert_register_protocol(proto_ain);
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expert_register_field_array(expert_ain, ei, array_length(ei));
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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