forked from osmocom/wireshark
fb820f0a07
epan/dissectors/ packet-bctp.c: no newline at end of file packet-epl.c: C++ style comments are not allowed in ISO C90 packet-sccp.c: missing initializer packet-sccp.h: comma at end of enumerator list packet-sctp.c: suggest parentheses around assignment used as truth value packet-vnc.c: control reaches end of non-void function pointer targets in passing argument 1 of 'g_strtod' differ in signedness pointer targets in passing argument 3 of 'vnc_client_to_server' differ in signedness gtk/ main.c: C++ style comments are not allowed in ISO C90 u3.h: function declaration isn't a prototype Other (trivial) stuff packet-sccp.h: Add svn properties svn path=/trunk/; revision=21011
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/*
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* packet-bctp.c
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* Q.1990 BICC bearer control tunnelling protocol
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*
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* (c) 2007, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
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*
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* $Id: $
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Ref ITU-T Rec. Q.1990 (07/2001)
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#define PNAME "BCTP Q.1990"
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#define PSNAME "BCTP"
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#define PFNAME "bctp"
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static int proto_bctp = -1;
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static int hf_bctp_bvei = -1;
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static int hf_bctp_bvi = -1;
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static int hf_bctp_tpei = -1;
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static int hf_bctp_tpi = -1;
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static gint ett_bctp = -1;
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static dissector_table_t bctp_dissector_table;
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static dissector_handle_t data_handle;
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static dissector_handle_t text_handle;
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/*
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static const range_string tpi_vals[] = {
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{0x00,0x17,"spare (binary encoded protocols)"},
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{0x18,0x1f,"reserved for national use (binary encoded protocols)"},
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{0x20,0x20,"IPBCP (text encoded)"},
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{0x21,0x21,"spare (text encoded protocol)"},
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{0x22,0x22,"not used"},
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{0x23,0x37,"spare (text encoded protocols)"},
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{0x38,0x3f,"reserved for national use (text encoded protocols)"},
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{0,0,NULL}
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};
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*/
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static const value_string bvei_vals[] = {
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{0,"No indication"},
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{0,"Version Error Indication, BCTP version not supported"},
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{0,NULL}
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};
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static void dissect_bctp(tvbuff_t* tvb, packet_info* pinfo, proto_tree* tree) {
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proto_item* pi = proto_tree_add_item(tree, proto_bctp, tvb,0,2, FALSE);
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proto_tree* pt = proto_item_add_subtree(pi,ett_bctp);
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tvbuff_t* sub_tvb = tvb_new_subset(tvb, 2, -1, -1);
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guint8 tpi = tvb_get_guint8(tvb,1) & 0x3f;
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proto_tree_add_item(pt, hf_bctp_bvei, tvb,0,2, FALSE);
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proto_tree_add_item(pt, hf_bctp_bvi, tvb,0,2, FALSE);
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proto_tree_add_item(pt, hf_bctp_tpei, tvb,0,2, FALSE);
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proto_tree_add_item(pt, hf_bctp_tpi, tvb,0,2, FALSE);
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if ( dissector_try_port(bctp_dissector_table, tpi, sub_tvb, pinfo, tree) ) {
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return;
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} else if (tpi <= 0x22) {
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call_dissector(data_handle,sub_tvb, pinfo, tree);
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} else {
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/* tpi > 0x22 */
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call_dissector(text_handle,sub_tvb, pinfo, tree);
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}
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}
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void
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proto_register_bctp (void)
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{
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static hf_register_info hf[] = {
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{&hf_bctp_bvei, {"BVEI", "bctp.bvei", FT_UINT16, BASE_HEX, VALS(bvei_vals), 0x4000, "BCTP Version Error Indicator", HFILL }},
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{&hf_bctp_bvi, {"BVI", "bctp.bvi", FT_UINT16, BASE_HEX, NULL, 0x1F00, "BCTP Version Indicator", HFILL }},
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{&hf_bctp_tpei, {"TPEI", "bctp.tpei", FT_UINT16, BASE_HEX, NULL, 0x0040, "Tunnelled Protocol Error Indicator", HFILL }},
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{&hf_bctp_tpi, {"TPI", "bctp.tpi", FT_UINT16, BASE_HEX, NULL, 0x003F, "Tunnelled Protocol Indicator", HFILL }},
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};
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static gint *ett[] = {
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&ett_bctp
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};
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proto_bctp = proto_register_protocol(PNAME, PSNAME, PFNAME);
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proto_register_field_array(proto_bctp, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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register_dissector("bctp", dissect_bctp, proto_bctp);
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bctp_dissector_table = register_dissector_table("bctp.tpi", "BCTP Tunnelled Protocol Indicator", FT_UINT32, BASE_DEC);
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}
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void
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proto_reg_handoff_bctp(void)
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{
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data_handle = find_dissector("data");
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text_handle = find_dissector("data-text-lines");
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}
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