diff options
Diffstat (limited to 'epan/dissectors/packet-eero.c')
-rw-r--r-- | epan/dissectors/packet-eero.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/epan/dissectors/packet-eero.c b/epan/dissectors/packet-eero.c new file mode 100644 index 00000000..4963a563 --- /dev/null +++ b/epan/dissectors/packet-eero.c @@ -0,0 +1,135 @@ +/* packet-eero.c + * Routines for EERO packet disassembly + * + * By Charlie Lenahan <clenahan@sonicbison.com> + * Copyright 2019 Charlie Lenahan + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/capture_dissectors.h> +#include <epan/etypes.h> + + +void proto_register_eero(void); +void proto_reg_handoff_eero(void); + +static int proto_eero = -1; + +static int hf_eero_type = -1; +static int hf_eero_src_mac = -1; +static int hf_eero_data = -1; + +static gint ett_eero = -1; + +static dissector_handle_t eero_handle; + +static capture_dissector_handle_t eero_cap_handle; + + + +static gboolean +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_) +{ + capture_dissector_increment_count(cpinfo, proto_eero); + return TRUE; +} + +static int +dissect_eero(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + int tot_len; + proto_tree *eero_tree = NULL; + proto_item *ti; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "EERO"); + col_clear(pinfo->cinfo, COL_INFO); + + tot_len = tvb_reported_length_remaining(tvb,0); + + + if (tree) + { + int offset=0; + int type = tvb_get_guint8(tvb, 0); + + ti = proto_tree_add_protocol_format(tree, proto_eero, tvb, offset, tot_len, "EERO, Type 0x%04x", type); + + eero_tree = proto_item_add_subtree(ti, ett_eero); + + proto_tree_add_uint(eero_tree, hf_eero_type, tvb, offset, 1, type); + offset+=1; + + proto_tree_add_item(eero_tree, hf_eero_src_mac, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(eero_tree, + hf_eero_data, + tvb, offset, tvb_reported_length_remaining(tvb,offset), ENC_NA); + } + + return tvb_captured_length(tvb); +} + +void +proto_register_eero(void) +{ + static hf_register_info hf[] = { + { &hf_eero_src_mac, + { "Sender MAC address", "eero.hw_mac", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + { &hf_eero_type, + { "Type", "eero.type", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_eero_data, + { "Data", "eero.data", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL }}, + }; + + static gint *ett[] = { + &ett_eero + }; + + + proto_eero = proto_register_protocol("EERO Protocol","EERO", "eero"); + + proto_register_field_array(proto_eero, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + eero_handle = register_dissector( "eero" , dissect_eero, proto_eero ); + + eero_cap_handle = register_capture_dissector("eero", capture_eero, proto_eero); +} + +void +proto_reg_handoff_eero(void) +{ + dissector_add_uint("ethertype", ETHERTYPE_EERO, eero_handle); + + capture_dissector_add_uint("ethertype", ETHERTYPE_EERO, eero_cap_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local Variables: + * c-basic-offset: 2 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * ex: set shiftwidth=2 tabstop=8 expandtab: + * :indentSize=2:tabSize=8:noTabs=true: + */ |