136 lines
3.2 KiB
C
136 lines
3.2 KiB
C
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/* packet-eero.c
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* Routines for EERO packet disassembly
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*
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* By Charlie Lenahan <clenahan@sonicbison.com>
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* Copyright 2019 Charlie Lenahan
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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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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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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/capture_dissectors.h>
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#include <epan/etypes.h>
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void proto_register_eero(void);
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void proto_reg_handoff_eero(void);
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static int proto_eero = -1;
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static int hf_eero_type = -1;
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static int hf_eero_src_mac = -1;
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static int hf_eero_data = -1;
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static gint ett_eero = -1;
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static dissector_handle_t eero_handle;
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static capture_dissector_handle_t eero_cap_handle;
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static gboolean
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capture_eero(const guchar *pd _U_, int offset _U_, int len _U_, capture_packet_info_t *cpinfo, const union wtap_pseudo_header *pseudo_header _U_)
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{
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capture_dissector_increment_count(cpinfo, proto_eero);
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return TRUE;
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}
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static int
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dissect_eero(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
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{
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int tot_len;
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proto_tree *eero_tree = NULL;
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proto_item *ti;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "EERO");
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col_clear(pinfo->cinfo, COL_INFO);
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tot_len = tvb_reported_length_remaining(tvb,0);
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if (tree)
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{
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int offset=0;
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int type = tvb_get_guint8(tvb, 0);
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ti = proto_tree_add_protocol_format(tree, proto_eero, tvb, offset, tot_len, "EERO, Type 0x%04x", type);
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eero_tree = proto_item_add_subtree(ti, ett_eero);
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proto_tree_add_uint(eero_tree, hf_eero_type, tvb, offset, 1, type);
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offset+=1;
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proto_tree_add_item(eero_tree, hf_eero_src_mac, tvb, offset, 6, ENC_NA);
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offset += 6;
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proto_tree_add_item(eero_tree,
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hf_eero_data,
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tvb, offset, tvb_reported_length_remaining(tvb,offset), ENC_NA);
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}
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return tvb_captured_length(tvb);
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}
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void
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proto_register_eero(void)
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{
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static hf_register_info hf[] = {
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{ &hf_eero_src_mac,
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{ "Sender MAC address", "eero.hw_mac",
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FT_ETHER, BASE_NONE, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_eero_type,
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{ "Type", "eero.type",
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FT_UINT8, BASE_DEC, NULL, 0x0,
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NULL, HFILL }
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},
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{ &hf_eero_data,
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{ "Data", "eero.data",
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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_eero
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};
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proto_eero = proto_register_protocol("EERO Protocol","EERO", "eero");
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proto_register_field_array(proto_eero, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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eero_handle = register_dissector( "eero" , dissect_eero, proto_eero );
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eero_cap_handle = register_capture_dissector("eero", capture_eero, proto_eero);
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}
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void
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proto_reg_handoff_eero(void)
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{
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dissector_add_uint("ethertype", ETHERTYPE_EERO, eero_handle);
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capture_dissector_add_uint("ethertype", ETHERTYPE_EERO, eero_cap_handle);
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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: 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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