From 7a60d0d9eb464bb18217d6634425fd0eefc5aa8d Mon Sep 17 00:00:00 2001 From: Anders Broman Date: Sun, 17 Feb 2013 18:27:04 +0000 Subject: Add the files for an initial ISDN Supplimentary Services(ETSI) dissector. svn path=/trunk/; revision=47706 --- asn1/isdn-sup/packet-isdn-sup-template.c | 248 +++++++++++++++++++++++++++++++ 1 file changed, 248 insertions(+) create mode 100644 asn1/isdn-sup/packet-isdn-sup-template.c (limited to 'asn1/isdn-sup/packet-isdn-sup-template.c') diff --git a/asn1/isdn-sup/packet-isdn-sup-template.c b/asn1/isdn-sup/packet-isdn-sup-template.c new file mode 100644 index 0000000000..226b90a4b9 --- /dev/null +++ b/asn1/isdn-sup/packet-isdn-sup-template.c @@ -0,0 +1,248 @@ +/* packet-isdn-sup-template.c + * Routines for ETSI Integrated Services Digital Network (ISDN) + * supplementary services + * Copyright 2013, Anders Broman + * + * $Id: packet-camel-template.c 47097 2013-01-15 16:44:02Z morriss $ + * + * 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. + * References: ETSI 300 374 + */ + +#include "config.h" + +#include +#include + + +#include "packet-ber.h" + +#define PNAME "ISDN supplementary services" +#define PSNAME "ISDN_SUP" +#define PFNAME "isdn_sup" + +/* Initialize the protocol and registered fields */ +static int proto_isdn_sup = -1; +static int hf_isdn_sup_operation = -1; + +/* Global variables */ + +/* ROSE context */ +static rose_ctx_t isdn_sup_rose_ctx; + +typedef struct _isdn_sup_op_t { + gint32 opcode; + new_dissector_t arg_pdu; + new_dissector_t res_pdu; +} isdn_sup_op_t; + +static const value_string isdn_sup_str_operation[] = { +#include "packet-isdn-sup-table10.c" + { 0, NULL} +}; + +#if 0 +static const value_string isdn_sup_str_error[] = { +#include "packet-isdn-sup-table20.c" + { 0, NULL} +}; +#endif +static int hf_isdn_sup = -1; + +#include "packet-isdn-sup-hf.c" + + +/* Initialize the subtree pointers */ +static gint ett_isdn_sup = -1; + +#include "packet-isdn-sup-ett.c" + + +/* Preference settings default */ + +/* Global variables */ + +#include "packet-isdn-sup-fn.c" + +static const isdn_sup_op_t isdn_sup_op_tab[] = { +#include "packet-isdn-sup-table11.c" +}; + +#if 0 +static const isdn_sup_err_t isdn_sup_err_tab[] = { +#include "packet-isdn-sup-table21.c" +}; +#endif + +static const isdn_sup_op_t *get_op(gint32 opcode) { + int i; + + /* search from the end to get the last occurence if the operation is redefined in some newer specification */ + for (i = array_length(isdn_sup_op_tab) - 1; i >= 0; i--) + if (isdn_sup_op_tab[i].opcode == opcode) + return &isdn_sup_op_tab[i]; + return NULL; +} + +/*--- dissect_isdn_sup_arg ------------------------------------------------------*/ +static int +dissect_isdn_sup_arg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { + int offset; + rose_ctx_t *rctx; + gint32 opcode = 0; + const isdn_sup_op_t *op_ptr; + proto_item *ti; + proto_tree *isdn_sup_tree; + + offset = 0; + rctx = get_rose_ctx(pinfo->private_data); + DISSECTOR_ASSERT(rctx); + if (rctx->d.pdu != 1) /* invoke */ + return offset; + if (rctx->d.code == 0) { /* local */ + opcode = rctx->d.code_local; + } else { + return offset; + } + op_ptr = get_op(opcode); + if (!op_ptr) + return offset; + + ti = proto_tree_add_item(tree, proto_isdn_sup, tvb, offset, tvb_length(tvb), ENC_NA); + isdn_sup_tree = proto_item_add_subtree(ti, ett_isdn_sup); + + proto_tree_add_uint(isdn_sup_tree, hf_isdn_sup_operation, tvb, 0, 0, opcode); + + if (op_ptr->arg_pdu) + offset = op_ptr->arg_pdu(tvb, pinfo, isdn_sup_tree, NULL); + else + if (tvb_length_remaining(tvb, offset) > 0) { + proto_tree_add_text(isdn_sup_tree, tvb, offset, -1, "UNSUPPORTED ARGUMENT TYPE (ETSI Sup)"); + offset += tvb_length_remaining(tvb, offset); + } + + return offset; +} + +/*--- dissect_isdn_sup_res -------------------------------------------------------*/ +static int +dissect_isdn_sup_res(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { + gint offset; + rose_ctx_t *rctx; + //gint32 opcode, service; + //const qsig_op_t *op_ptr; + //const gchar *p; + //proto_item *ti, *ti_tmp; + //proto_tree *qsig_tree; + + offset = 0; + rctx = get_rose_ctx(pinfo->private_data); + DISSECTOR_ASSERT(rctx); + //if (rctx->d.pdu != 2) /* returnResult */ + // return offset; + //if (rctx->d.code != 0) /* local */ + // return offset; + //opcode = rctx->d.code_local; + //op_ptr = get_op(opcode); + //if (!op_ptr) + // return offset; + //service = get_service(opcode); + + //ti = proto_tree_add_item(tree, proto_qsig, tvb, offset, tvb_length(tvb), ENC_NA); + //qsig_tree = proto_item_add_subtree(ti, ett_qsig); + + //proto_tree_add_uint(qsig_tree, hf_isdn_sup_operation, tvb, 0, 0, opcode); + //p = match_strval(opcode, VALS(qsig_str_operation)); + //if (p) { + // proto_item_append_text(ti, ": %s", p); + // proto_item_append_text(rctx->d.code_item, " - %s", p); + // if (rctx->apdu_depth >= 0) + // proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), rctx->apdu_depth), " %s", p); + //} + + //ti_tmp = proto_tree_add_uint(qsig_tree, hf_qsig_service, tvb, 0, 0, service); + //p = match_strval(service, VALS(qsig_str_service_name)); + //if (p) proto_item_append_text(ti_tmp, " - %s", p); + + //if (op_ptr->res_pdu) + // offset = op_ptr->res_pdu(tvb, pinfo, qsig_tree, NULL); + //else + // if (tvb_length_remaining(tvb, offset) > 0) { + // proto_tree_add_text(qsig_tree, tvb, offset, -1, "UNSUPPORTED RESULT TYPE (QSIG)"); + // offset += tvb_length_remaining(tvb, offset); + // } + + return offset; +} + + + + +/*--- proto_reg_handoff_isdn_sup ---------------------------------------*/ + +void proto_reg_handoff_isdn_sup(void) { + int i; + dissector_handle_t q931_handle; + dissector_handle_t isdn_sup_arg_handle; + dissector_handle_t isdn_sup_res_handle; + + q931_handle = find_dissector("q931"); + + isdn_sup_arg_handle = new_create_dissector_handle(dissect_isdn_sup_arg, proto_isdn_sup); + isdn_sup_res_handle = new_create_dissector_handle(dissect_isdn_sup_res, proto_isdn_sup); + for (i=0; i<(int)array_length(isdn_sup_op_tab); i++) { + dissector_add_uint("q932.ros.etsi.local.arg", isdn_sup_op_tab[i].opcode, isdn_sup_arg_handle); + dissector_add_uint("q932.ros.etsi.local.res", isdn_sup_op_tab[i].opcode, isdn_sup_res_handle); + } + +} + +void proto_register_isdn_sup(void) { + + /* List of fields */ + static hf_register_info hf[] = { + { &hf_isdn_sup, + { "isdn_sup", "isdn_sup.1", + FT_INT32, BASE_DEC, NULL, 0, + NULL, HFILL } + }, + { &hf_isdn_sup_operation, + { "Operation", "isdn_sup.operation", + FT_UINT8, BASE_DEC, VALS(isdn_sup_str_operation), 0x0, + NULL, HFILL } + }, +#include "packet-isdn-sup-hfarr.c" + }; + + /* List of subtrees */ + static gint *ett[] = { + &ett_isdn_sup, + +#include "packet-isdn-sup-ettarr.c" + }; + + /* Register fields and subtrees */ + proto_register_field_array(proto_isdn_sup, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + /* Register protocol */ + proto_isdn_sup = proto_register_protocol(PNAME, PSNAME, PFNAME); + +} + -- cgit v1.2.3