forked from osmocom/wireshark
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/* packet-btmesh.h
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* Structures for determining the dissection context for Bluetooth mesh.
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*
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* Copyright 2019, Piotr Winiarczyk <wino45@gmail.com>
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_BTMESH_H__
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#define __PACKET_BTMESH_H__
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#include <epan/packet.h>
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#define BTMESH_NONCE_TYPE_NETWORK 0x00
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#define BTMESH_NONCE_TYPE_APPLICATION 0x01
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#define BTMESH_NONCE_TYPE_DEVICE 0x02
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#define BTMESH_NONCE_TYPE_PROXY 0x03
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#define BTMESH_ADDRESS_UNASSIGNED 0x00
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#define BTMESH_ADDRESS_UNICAST 0x01
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#define BTMESH_ADDRESS_VIRTUAL 0x02
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#define BTMESH_ADDRESS_GROUP 0x03
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typedef enum {
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E_BTMESH_TR_UNKNOWN = 0,
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E_BTMESH_TR_ADV,
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E_BTMESH_TR_PB_ADV,
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E_BTMESH_TR_PROXY
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} btle_mesh_tr_t;
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typedef enum {
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E_BTMESH_PROXY_SIDE_UNKNOWN = 0,
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E_BTMESH_PROXY_SIDE_SERVER,
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E_BTMESH_PROXY_SIDE_CLIENT,
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E_BTMESH_PROXY_SIDE_LAST
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} btle_mesh_proxy_side_t;
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typedef struct {
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btle_mesh_tr_t transport;
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gboolean fragmented;
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guint segment_index;
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} btle_mesh_transport_ctx_t;
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typedef struct {
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guint32 interface_id;
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guint32 adapter_id;
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guint16 chandle;
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guint16 bt_uuid;
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guint32 access_address;
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btle_mesh_proxy_side_t proxy_side;
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} btle_mesh_proxy_ctx_t;
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typedef struct {
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/* Network Layer */
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guint32 src;
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guint32 seq;
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guint8 seq_src_buf[5];
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guint8 ivindex_buf[4];
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guint8 net_nonce_type;
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guint32 net_key_iv_index_hash;
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/* Transport layer */
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guint32 dst;
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guint8 dst_buf[2];
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gint32 label_uuid_idx;
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guint32 seg; /* Segmentation */
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guint8 aid;
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guint8 app_nonce_type;
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guint32 seqzero;
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int transmic_size;
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} network_decryption_ctx_t;
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tvbuff_t *btmesh_network_find_key_and_decrypt(tvbuff_t *tvb, packet_info *pinfo, guint8 **decrypted_data, int *enc_data_len, network_decryption_ctx_t *dec_ctx);
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#endif /* __PACKET_BTMESH_H__ */
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/*
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* Editor modelines - https://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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