forked from osmocom/wireshark
Add HomePNA dissector
Ping-Bug: 12759 Change-Id: Ic4d47155168978541fb8c3670fcabaf3c35f8aad Reviewed-on: https://code.wireshark.org/review/19187 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
Michael Mann
parent
56729299bd
commit
b7ee557d88
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@ -73,6 +73,7 @@ Unified Diagnostic Services (UDS)
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vSocket
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Windows Cluster Management API (clusapi)
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GSMTAP based logging
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HomePNA
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--sort-and-group--
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=== Updated Protocol Support
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@ -703,6 +703,7 @@ set(DISSECTOR_SRC
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packet-hl7.c
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packet-homeplug-av.c
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packet-homeplug.c
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packet-homepna.c
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packet-hp-erm.c
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packet-hpext.c
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packet-hpfeeds.c
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@ -724,6 +724,7 @@ DISSECTOR_SRC = \
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packet-hislip.c \
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packet-homeplug-av.c \
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packet-homeplug.c \
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packet-homepna.c \
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packet-hp-erm.c \
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packet-hpext.c \
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packet-hpfeeds.c \
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@ -0,0 +1,180 @@
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/* packet-homepna.c
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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/etypes.h>
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void proto_register_homepna(void);
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void proto_reg_handoff_homepna(void);
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static int proto_homepna = -1;
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static int hf_homepna_type = -1;
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static int hf_homepna_length = -1;
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static int hf_homepna_version = -1;
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static int hf_homepna_data = -1;
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static int hf_homepna_etype = -1;
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static int hf_homepna_trailer = -1;
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static gint ett_homepna = -1;
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static dissector_handle_t ethertype_handle;
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static const range_string homepna_type_rvals[] = {
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{ 0, 0, "Non-standard" },
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{ 1, 1, "Rate Request Control Frame" },
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{ 2, 2, "Link Integrity Short Frame" },
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{ 3, 3, "Capabilities Announcement" },
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{ 4, 4, "LARQ" },
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{ 5, 5, "Vendor-specific short format type" },
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{ 6, 127, "Reserved for future use by the ITU-T" },
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{ 128, 32767, "Reserved for future use by the ITU-T" },
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{ 32768, 32768, "Reserved for future use by the ITU-T" },
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{ 32769, 32769, "Vendor-specific long-format" },
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{ 32770, 65535, "Reserved for future use by the ITU-T" },
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{ 0, 0, NULL }
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};
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typedef enum
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{
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HOMEPNA_FORMAT_SHORT,
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HOMEPNA_FORMAT_LONG
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} homepna_format_e;
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static int
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dissect_homepna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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proto_tree *ti;
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proto_tree *homepna_tree;
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int offset = 0;
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guint32 control_length;
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homepna_format_e homepna_format = HOMEPNA_FORMAT_SHORT;
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guint16 protocol;
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ethertype_data_t ethertype_data;
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if (tvb_captured_length(tvb) < 4)
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return 0;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "HomePNA");
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col_clear(pinfo->cinfo, COL_INFO);
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ti = proto_tree_add_item(tree, proto_homepna, tvb, 0, -1, ENC_NA);
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homepna_tree = proto_item_add_subtree(ti, ett_homepna);
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if (tvb_get_guint8(tvb, offset) > 127)
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homepna_format = HOMEPNA_FORMAT_LONG;
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if (homepna_format == HOMEPNA_FORMAT_SHORT)
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{
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proto_tree_add_item(homepna_tree, hf_homepna_type, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item_ret_uint(homepna_tree, hf_homepna_length, tvb, offset, 1, ENC_BIG_ENDIAN, &control_length);
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offset += 1;
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}
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else
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{
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proto_tree_add_item(homepna_tree, hf_homepna_type, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item_ret_uint(homepna_tree, hf_homepna_length, tvb, offset, 2, ENC_BIG_ENDIAN, &control_length);
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offset += 2;
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}
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proto_tree_add_item(homepna_tree, hf_homepna_version, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(homepna_tree, hf_homepna_data, tvb, offset, control_length-3, ENC_NA);
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offset += (control_length-2);
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protocol = tvb_get_ntohs(tvb, offset);
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offset += 2;
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ethertype_data.etype = protocol;
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ethertype_data.offset_after_ethertype = offset;
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ethertype_data.fh_tree = homepna_tree;
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ethertype_data.etype_id = hf_homepna_etype;
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ethertype_data.trailer_id = hf_homepna_trailer;
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ethertype_data.fcs_len = 4;
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call_dissector_with_data(ethertype_handle, tvb, pinfo, tree, ðertype_data);
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return tvb_captured_length(tvb);
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}
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void
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proto_register_homepna(void)
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{
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static hf_register_info hf[] = {
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{ &hf_homepna_type,
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{ "Type", "hpna.type", FT_UINT16, BASE_DEC|BASE_RANGE_STRING, RVALS(homepna_type_rvals), 0x0,
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NULL, HFILL}},
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{ &hf_homepna_length,
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{ "Length", "hpna.length", FT_UINT16, BASE_DEC, NULL, 0x0,
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NULL, HFILL}},
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{ &hf_homepna_version,
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{ "Version", "hpna.version", FT_UINT8, BASE_DEC, NULL, 0x0,
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NULL, HFILL}},
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{ &hf_homepna_data,
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{ "Data", "hpna.data", FT_BYTES, BASE_NONE, NULL, 0x0,
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NULL, HFILL}},
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{ &hf_homepna_etype,
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{ "Ethertype", "hpna.etype", FT_UINT16, BASE_HEX, VALS(etype_vals), 0x0,
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NULL, HFILL}},
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{ &hf_homepna_trailer,
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{ "Trailer", "hpna.trailer", FT_BYTES, BASE_NONE, NULL, 0x0,
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NULL, HFILL}},
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};
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static gint *ett[] = {
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&ett_homepna,
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};
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proto_homepna = proto_register_protocol("HomePNA, wlan link local tunnel", "HomePNA", "hpna");
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proto_register_field_array(proto_homepna, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_homepna(void)
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{
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dissector_handle_t homepna_handle;
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homepna_handle = create_dissector_handle(dissect_homepna, proto_homepna);
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dissector_add_uint("ethertype", ETHERTYPE_LINK_CTL, homepna_handle);
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ethertype_handle = find_dissector_add_dependency("ethertype", proto_homepna);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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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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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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