/src/wireshark/epan/dissectors/packet-bthci_sco.c

Source (jump to first uncovered line)
/* packet-bthci_sco.c
 * Routines for the Bluetooth SCO dissection
 * Copyright 2002, Christoph Scholz <scholz@cs.uni-bonn.de>
 *
 * Refactored for wireshark checkin
 *   Ronnie Sahlberg 2006
 *
 * 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/addr_resolv.h>

#include "packet-bluetooth.h"
#include "packet-bthci_sco.h"

/* Initialize the protocol and registered fields */
static int proto_bthci_sco;
static int hf_bthci_sco_reserved;
static int hf_bthci_sco_packet_status;
static int hf_bthci_sco_chandle;
static int hf_bthci_sco_length;
static int hf_bthci_sco_data;

static int hf_bthci_sco_connect_in;
static int hf_bthci_sco_disconnect_in;
static int hf_bthci_sco_stream_number;

/* Initialize the subtree pointers */
static int ett_bthci_sco;

wmem_tree_t *bthci_sco_stream_numbers;

static dissector_handle_t bthci_sco_handle;

static const value_string packet_status_vals[] = {
    { 0x00,   "Correctly Received Data"},
    { 0x01,   "Possibly Invalid Data"},
    { 0x02,   "No Data Received"},
    { 0x03,   "Data Partially Lost"},
    {0x0, NULL}
};

void proto_register_bthci_sco(void);
void proto_reg_handoff_bthci_sco(void);

/* Code to actually dissect the packets */
static int
dissect_bthci_sco(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
    proto_item               *ti;
    proto_tree               *bthci_sco_tree;
    int                       offset = 0;
    uint16_t                  flags;
    bluetooth_data_t         *bluetooth_data;
    wmem_tree_key_t           key[6];
    uint32_t                  k_connection_handle;
    uint32_t                  k_frame_number;
    uint32_t                  k_interface_id;
    uint32_t                  k_adapter_id;
    uint32_t                  k_bd_addr_oui;
    uint32_t                  k_bd_addr_id;
    uint16_t                  packet_status;
    remote_bdaddr_t          *remote_bdaddr;
    const char               *localhost_name;
    uint8_t                  *localhost_bdaddr;
    const char               *localhost_ether_addr;
    char                     *localhost_addr_name;
    int                       localhost_length;
    localhost_bdaddr_entry_t *localhost_bdaddr_entry;
    localhost_name_entry_t   *localhost_name_entry;
    chandle_session_t        *chandle_session;
    wmem_tree_t              *subtree;
    proto_item               *sub_item;
    bthci_sco_stream_number_t  *sco_stream_number;

    ti = proto_tree_add_item(tree, proto_bthci_sco, tvb, offset, tvb_captured_length(tvb), ENC_NA);
    bthci_sco_tree = proto_item_add_subtree(ti, ett_bthci_sco);

    col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI_SCO");

    switch (pinfo->p2p_dir) {
        case P2P_DIR_SENT:
            col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
            break;
        case P2P_DIR_RECV:
            col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
            break;
        default:
            col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection ");
            break;
    }

    proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_reserved, tvb,      offset, 2, ENC_LITTLE_ENDIAN);
    proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_packet_status, tvb, offset, 2, ENC_LITTLE_ENDIAN);
    proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_chandle, tvb,       offset, 2, ENC_LITTLE_ENDIAN);
    flags   = tvb_get_letohs(tvb, offset);
    offset += 2;

    packet_status = (flags >> 12) & 0x03;
    col_append_fstr(pinfo->cinfo, COL_INFO, "SCO - %s", val_to_str(packet_status, packet_status_vals, "%u"));

    proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
    offset++;

    bluetooth_data = (bluetooth_data_t *) data;
    DISSECTOR_ASSERT(bluetooth_data);

    k_interface_id      = bluetooth_data->interface_id;
    k_adapter_id        = bluetooth_data->adapter_id;
    k_connection_handle = flags & 0x0fff;
    k_frame_number      = pinfo->num;

    key[0].length = 1;
    key[0].key    = &k_interface_id;
    key[1].length = 1;
    key[1].key    = &k_adapter_id;
    key[2].length = 0;
    key[2].key    = NULL;

    subtree = (wmem_tree_t *) wmem_tree_lookup32_array(bthci_sco_stream_numbers, key);
    sco_stream_number = (subtree) ? (bthci_sco_stream_number_t *) wmem_tree_lookup32_le(subtree, pinfo->num) : NULL;

    key[2].length = 1;
    key[2].key    = &k_connection_handle;
    key[3].length = 0;
    key[3].key    = NULL;

    subtree = (wmem_tree_t *) wmem_tree_lookup32_array(bluetooth_data->chandle_sessions, key);
    chandle_session = (subtree) ? (chandle_session_t *) wmem_tree_lookup32_le(subtree, pinfo->num) : NULL;
    if (!(chandle_session &&
            chandle_session->connect_in_frame < pinfo->num &&
            chandle_session->disconnect_in_frame > pinfo->num)){
        chandle_session = NULL;
    }

    key[3].length = 1;
    key[3].key    = &k_frame_number;
    key[4].length = 0;
    key[4].key    = NULL;

    /* remote bdaddr and name */
    remote_bdaddr = (remote_bdaddr_t *)wmem_tree_lookup32_array_le(bluetooth_data->chandle_to_bdaddr, key);
    if (remote_bdaddr && remote_bdaddr->interface_id == bluetooth_data->interface_id &&
            remote_bdaddr->adapter_id == bluetooth_data->adapter_id &&
            remote_bdaddr->chandle == (flags & 0x0fff)) {
        uint32_t        bd_addr_oui;
        uint32_t        bd_addr_id;
        device_name_t  *device_name;
        const char     *remote_name;
        const char     *remote_ether_addr;
        char           *remote_addr_name;
        int             remote_length;

        bd_addr_oui = remote_bdaddr->bd_addr[0] << 16 | remote_bdaddr->bd_addr[1] << 8 | remote_bdaddr->bd_addr[2];
        bd_addr_id  = remote_bdaddr->bd_addr[3] << 16 | remote_bdaddr->bd_addr[4] << 8 | remote_bdaddr->bd_addr[5];

        k_bd_addr_oui  = bd_addr_oui;
        k_bd_addr_id   = bd_addr_id;
        k_frame_number = pinfo->num;

        key[0].length = 1;
        key[0].key    = &k_interface_id;
        key[1].length = 1;
        key[1].key    = &k_adapter_id;
        key[2].length = 1;
        key[2].key    = &k_bd_addr_id;
        key[3].length = 1;
        key[3].key    = &k_bd_addr_oui;
        key[4].length = 1;
        key[4].key    = &k_frame_number;
        key[5].length = 0;
        key[5].key    = NULL;

        device_name = (device_name_t *)wmem_tree_lookup32_array_le(bluetooth_data->bdaddr_to_name, key);
        if (device_name && device_name->bd_addr_oui == bd_addr_oui && device_name->bd_addr_id == bd_addr_id)
            remote_name = device_name->name;
        else
            remote_name = "";

        remote_ether_addr = get_ether_name(remote_bdaddr->bd_addr);
        remote_length = (int)(strlen(remote_ether_addr) + 3 + strlen(remote_name) + 1);
        remote_addr_name = (char *)wmem_alloc(pinfo->pool, remote_length);

        snprintf(remote_addr_name, remote_length, "%s (%s)", remote_ether_addr, remote_name);

        if (pinfo->p2p_dir == P2P_DIR_RECV) {
            set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(remote_name) + 1, remote_name);
            set_address(&pinfo->dl_src, AT_ETHER, 6, remote_bdaddr->bd_addr);
            set_address(&pinfo->src, AT_STRINGZ, (int)strlen(remote_addr_name) + 1, remote_addr_name);
        } else if (pinfo->p2p_dir == P2P_DIR_SENT) {
            set_address(&pinfo->net_dst, AT_STRINGZ, (int)strlen(remote_name) + 1, remote_name);
            set_address(&pinfo->dl_dst, AT_ETHER, 6, remote_bdaddr->bd_addr);
            set_address(&pinfo->dst, AT_STRINGZ, (int)strlen(remote_addr_name) + 1, remote_addr_name);
        }
    } else {
        if (pinfo->p2p_dir == P2P_DIR_RECV) {
            set_address(&pinfo->net_src, AT_STRINGZ, 1, "");
            set_address(&pinfo->dl_src, AT_STRINGZ, 1, "");
            set_address(&pinfo->src, AT_STRINGZ, 10, "remote ()");
        } else if (pinfo->p2p_dir == P2P_DIR_SENT) {
            set_address(&pinfo->net_dst, AT_STRINGZ, 1, "");
            set_address(&pinfo->dl_dst, AT_STRINGZ, 1, "");
            set_address(&pinfo->dst, AT_STRINGZ, 10, "remote ()");
        }
    }

    k_interface_id      = bluetooth_data->interface_id;
    k_adapter_id        = bluetooth_data->adapter_id;
    k_frame_number      = pinfo->num;

    /* localhost bdaddr and name */
    key[0].length = 1;
    key[0].key    = &k_interface_id;
    key[1].length = 1;
    key[1].key    = &k_adapter_id;
    key[2].length = 1;
    key[2].key    = &k_frame_number;
    key[3].length = 0;
    key[3].key    = NULL;


    localhost_bdaddr_entry = (localhost_bdaddr_entry_t *)wmem_tree_lookup32_array_le(bluetooth_data->localhost_bdaddr, key);
    localhost_bdaddr = (uint8_t *) wmem_alloc(pinfo->pool, 6);
    if (localhost_bdaddr_entry && localhost_bdaddr_entry->interface_id == bluetooth_data->interface_id &&
        localhost_bdaddr_entry->adapter_id == bluetooth_data->adapter_id) {

        localhost_ether_addr = get_ether_name(localhost_bdaddr_entry->bd_addr);
        memcpy(localhost_bdaddr, localhost_bdaddr_entry->bd_addr, 6);
    } else {
        localhost_ether_addr = "localhost";
        /* XXX - is this the right value to use? */
        memset(localhost_bdaddr, 0, 6);
    }

    localhost_name_entry = (localhost_name_entry_t *)wmem_tree_lookup32_array_le(bluetooth_data->localhost_name, key);
    if (localhost_name_entry && localhost_name_entry->interface_id == bluetooth_data->interface_id &&
            localhost_name_entry->adapter_id == bluetooth_data->adapter_id)
        localhost_name = localhost_name_entry->name;
    else
        localhost_name = "";

    localhost_length = (int)(strlen(localhost_ether_addr) + 3 + strlen(localhost_name) + 1);
    localhost_addr_name = (char *)wmem_alloc(pinfo->pool, localhost_length);

    snprintf(localhost_addr_name, localhost_length, "%s (%s)", localhost_ether_addr, localhost_name);

    if (pinfo->p2p_dir == P2P_DIR_RECV) {
        set_address(&pinfo->net_dst, AT_STRINGZ, (int)strlen(localhost_name) + 1, localhost_name);
        set_address(&pinfo->dl_dst, AT_ETHER, 6, localhost_bdaddr);
        set_address(&pinfo->dst, AT_STRINGZ, (int)strlen(localhost_addr_name) + 1, localhost_addr_name);
    } else if (pinfo->p2p_dir == P2P_DIR_SENT) {
        set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(localhost_name) + 1, localhost_name);
        set_address(&pinfo->dl_src, AT_ETHER, 6, localhost_bdaddr);
        set_address(&pinfo->src, AT_STRINGZ, (int)strlen(localhost_addr_name) + 1, localhost_addr_name);
    }

    proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_data, tvb, offset, tvb_reported_length(tvb), ENC_NA);

    if (chandle_session) {
        sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_connect_in, tvb, 0, 0, chandle_session->connect_in_frame);
        proto_item_set_generated(sub_item);

        if (chandle_session->disconnect_in_frame < UINT32_MAX) {
            sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_disconnect_in, tvb, 0, 0, chandle_session->disconnect_in_frame);
            proto_item_set_generated(sub_item);
        }
    }
    if (sco_stream_number) {
        sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_stream_number, tvb, 0, 0, sco_stream_number->stream_number);
        proto_item_set_generated(sub_item);
    }

    return tvb_reported_length(tvb);
}


void
proto_register_bthci_sco(void)
{
    static hf_register_info hf[] = {
        { &hf_bthci_sco_reserved,
            { "Reserved",                    "bthci_sco.reserved",
            FT_UINT16, BASE_HEX, NULL, 0xC000,
            NULL, HFILL }
        },
        { &hf_bthci_sco_packet_status,
            { "Packet Status",               "bthci_sco.packet_status",
            FT_UINT16, BASE_HEX, VALS(packet_status_vals), 0x3000,
            NULL, HFILL }
        },
        { &hf_bthci_sco_chandle,
            { "Connection Handle",           "bthci_sco.chandle",
            FT_UINT16, BASE_HEX, NULL, 0x0FFF,
            NULL, HFILL }
        },
        { &hf_bthci_sco_connect_in,
            { "Connect in frame",            "bthci_sco.connect_in",
            FT_FRAMENUM, BASE_NONE, NULL, 0x0,
            NULL, HFILL }
        },
        { &hf_bthci_sco_disconnect_in,
            { "Disconnect in frame",         "bthci_sco.disconnect_in",
            FT_FRAMENUM, BASE_NONE, NULL, 0x0,
            NULL, HFILL }
        },
        { &hf_bthci_sco_stream_number,
            { "Stream Number",               "bthci_sco.stream_number",
            FT_UINT32, BASE_DEC, NULL, 0x00,
            NULL, HFILL }
        },
        { &hf_bthci_sco_length,
            { "Data Total Length",           "bthci_sco.length",
            FT_UINT8, BASE_DEC, NULL, 0x0,
            NULL, HFILL }
        },
        { &hf_bthci_sco_data,
            { "Data",                        "bthci_sco.data",
            FT_NONE, BASE_NONE, NULL, 0x0,
            NULL, HFILL }
        },
    };

    /* Setup protocol subtree array */
    static int *ett[] = {
      &ett_bthci_sco
    };

    /* Register the protocol name and description */
    proto_bthci_sco = proto_register_protocol("Bluetooth HCI SCO Packet", "HCI_SCO", "bthci_sco");
    bthci_sco_handle = register_dissector("bthci_sco", dissect_bthci_sco, proto_bthci_sco);

    bthci_sco_stream_numbers = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());

    /* Required function calls to register the header fields and subtrees used */
    proto_register_field_array(proto_bthci_sco, hf, array_length(hf));
    proto_register_subtree_array(ett, array_length(ett));
}


void
proto_reg_handoff_bthci_sco(void)
{
    dissector_add_uint("hci_h4.type", HCI_H4_TYPE_SCO, bthci_sco_handle);
    dissector_add_uint("hci_h1.type", BTHCI_CHANNEL_SCO, bthci_sco_handle);
}

/*
 * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */

Coverage Report

Created: 2025-02-15 06:25

Line	Count	Source (jump to first uncovered line)
1		/* packet-bthci_sco.c
2		* Routines for the Bluetooth SCO dissection
3		* Copyright 2002, Christoph Scholz <scholz@cs.uni-bonn.de>
4		*
5		* Refactored for wireshark checkin
6		* Ronnie Sahlberg 2006
7		*
8		* Wireshark - Network traffic analyzer
9		* By Gerald Combs <gerald@wireshark.org>
10		* Copyright 1998 Gerald Combs
11		*
12		* SPDX-License-Identifier: GPL-2.0-or-later
13		*/
14
15		#include "config.h"
16
17		#include <epan/packet.h>
18		#include <epan/addr_resolv.h>
19
20		#include "packet-bluetooth.h"
21		#include "packet-bthci_sco.h"
22
23		/* Initialize the protocol and registered fields */
24		static int proto_bthci_sco;
25		static int hf_bthci_sco_reserved;
26		static int hf_bthci_sco_packet_status;
27		static int hf_bthci_sco_chandle;
28		static int hf_bthci_sco_length;
29		static int hf_bthci_sco_data;
30
31		static int hf_bthci_sco_connect_in;
32		static int hf_bthci_sco_disconnect_in;
33		static int hf_bthci_sco_stream_number;
34
35		/* Initialize the subtree pointers */
36		static int ett_bthci_sco;
37
38		wmem_tree_t *bthci_sco_stream_numbers;
39
40		static dissector_handle_t bthci_sco_handle;
41
42		static const value_string packet_status_vals[] = {
43		{ 0x00, "Correctly Received Data"},
44		{ 0x01, "Possibly Invalid Data"},
45		{ 0x02, "No Data Received"},
46		{ 0x03, "Data Partially Lost"},
47		{0x0, NULL}
48		};
49
50		void proto_register_bthci_sco(void);
51		void proto_reg_handoff_bthci_sco(void);
52
53		/* Code to actually dissect the packets */
54		static int
55		dissect_bthci_sco(tvbuff_t tvb, packet_info pinfo, proto_tree tree, void data)
56	1	{
57	1	proto_item *ti;
58	1	proto_tree *bthci_sco_tree;
59	1	int offset = 0;
60	1	uint16_t flags;
61	1	bluetooth_data_t *bluetooth_data;
62	1	wmem_tree_key_t key[6];
63	1	uint32_t k_connection_handle;
64	1	uint32_t k_frame_number;
65	1	uint32_t k_interface_id;
66	1	uint32_t k_adapter_id;
67	1	uint32_t k_bd_addr_oui;
68	1	uint32_t k_bd_addr_id;
69	1	uint16_t packet_status;
70	1	remote_bdaddr_t *remote_bdaddr;
71	1	const char *localhost_name;
72	1	uint8_t *localhost_bdaddr;
73	1	const char *localhost_ether_addr;
74	1	char *localhost_addr_name;
75	1	int localhost_length;
76	1	localhost_bdaddr_entry_t *localhost_bdaddr_entry;
77	1	localhost_name_entry_t *localhost_name_entry;
78	1	chandle_session_t *chandle_session;
79	1	wmem_tree_t *subtree;
80	1	proto_item *sub_item;
81	1	bthci_sco_stream_number_t *sco_stream_number;
82
83	1	ti = proto_tree_add_item(tree, proto_bthci_sco, tvb, offset, tvb_captured_length(tvb), ENC_NA);
84	1	bthci_sco_tree = proto_item_add_subtree(ti, ett_bthci_sco);
85
86	1	col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI_SCO");
87
88	1	switch (pinfo->p2p_dir) {
89	0	case P2P_DIR_SENT:
90	0	col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
91	0	break;
92	0	case P2P_DIR_RECV:
93	0	col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
94	0	break;
95	1	default:
96	1	col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection ");
97	1	break;
98	1	}
99
100	1	proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_reserved, tvb, offset, 2, ENC_LITTLE_ENDIAN);
101	1	proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_packet_status, tvb, offset, 2, ENC_LITTLE_ENDIAN);
102	1	proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_chandle, tvb, offset, 2, ENC_LITTLE_ENDIAN);
103	1	flags = tvb_get_letohs(tvb, offset);
104	1	offset += 2;
105
106	1	packet_status = (flags >> 12) & 0x03;
107	1	col_append_fstr(pinfo->cinfo, COL_INFO, "SCO - %s", val_to_str(packet_status, packet_status_vals, "%u"));
108
109	1	proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_length, tvb, offset, 1, ENC_LITTLE_ENDIAN);
110	1	offset++;
111
112	1	bluetooth_data = (bluetooth_data_t *) data;
113	1	DISSECTOR_ASSERT(bluetooth_data);
114
115	1	k_interface_id = bluetooth_data->interface_id;
116	1	k_adapter_id = bluetooth_data->adapter_id;
117	1	k_connection_handle = flags & 0x0fff;
118	1	k_frame_number = pinfo->num;
119
120	1	key[0].length = 1;
121	1	key[0].key = &k_interface_id;
122	1	key[1].length = 1;
123	1	key[1].key = &k_adapter_id;
124	1	key[2].length = 0;
125	1	key[2].key = NULL;
126
127	1	subtree = (wmem_tree_t *) wmem_tree_lookup32_array(bthci_sco_stream_numbers, key);
128	1	sco_stream_number = (subtree) ? (bthci_sco_stream_number_t *) wmem_tree_lookup32_le(subtree, pinfo->num) : NULL;
129
130	1	key[2].length = 1;
131	1	key[2].key = &k_connection_handle;
132	1	key[3].length = 0;
133	1	key[3].key = NULL;
134
135	1	subtree = (wmem_tree_t *) wmem_tree_lookup32_array(bluetooth_data->chandle_sessions, key);
136	1	chandle_session = (subtree) ? (chandle_session_t *) wmem_tree_lookup32_le(subtree, pinfo->num) : NULL;
137	1	if (!(chandle_session &&
138	1	chandle_session->connect_in_frame < pinfo->num &&
139	1	chandle_session->disconnect_in_frame > pinfo->num)){
140	1	chandle_session = NULL;
141	1	}
142
143	1	key[3].length = 1;
144	1	key[3].key = &k_frame_number;
145	1	key[4].length = 0;
146	1	key[4].key = NULL;
147
148		/* remote bdaddr and name */
149	1	remote_bdaddr = (remote_bdaddr_t *)wmem_tree_lookup32_array_le(bluetooth_data->chandle_to_bdaddr, key);
150	1	if (remote_bdaddr && remote_bdaddr->interface_id == bluetooth_data->interface_id &&
151	1	remote_bdaddr->adapter_id == bluetooth_data->adapter_id &&
152	1	remote_bdaddr->chandle == (flags & 0x0fff)) {
153	0	uint32_t bd_addr_oui;
154	0	uint32_t bd_addr_id;
155	0	device_name_t *device_name;
156	0	const char *remote_name;
157	0	const char *remote_ether_addr;
158	0	char *remote_addr_name;
159	0	int remote_length;
160
161	0	bd_addr_oui = remote_bdaddr->bd_addr[0] << 16 \| remote_bdaddr->bd_addr[1] << 8 \| remote_bdaddr->bd_addr[2];
162	0	bd_addr_id = remote_bdaddr->bd_addr[3] << 16 \| remote_bdaddr->bd_addr[4] << 8 \| remote_bdaddr->bd_addr[5];
163
164	0	k_bd_addr_oui = bd_addr_oui;
165	0	k_bd_addr_id = bd_addr_id;
166	0	k_frame_number = pinfo->num;
167
168	0	key[0].length = 1;
169	0	key[0].key = &k_interface_id;
170	0	key[1].length = 1;
171	0	key[1].key = &k_adapter_id;
172	0	key[2].length = 1;
173	0	key[2].key = &k_bd_addr_id;
174	0	key[3].length = 1;
175	0	key[3].key = &k_bd_addr_oui;
176	0	key[4].length = 1;
177	0	key[4].key = &k_frame_number;
178	0	key[5].length = 0;
179	0	key[5].key = NULL;
180
181	0	device_name = (device_name_t *)wmem_tree_lookup32_array_le(bluetooth_data->bdaddr_to_name, key);
182	0	if (device_name && device_name->bd_addr_oui == bd_addr_oui && device_name->bd_addr_id == bd_addr_id)
183	0	remote_name = device_name->name;
184	0	else
185	0	remote_name = "";
186
187	0	remote_ether_addr = get_ether_name(remote_bdaddr->bd_addr);
188	0	remote_length = (int)(strlen(remote_ether_addr) + 3 + strlen(remote_name) + 1);
189	0	remote_addr_name = (char *)wmem_alloc(pinfo->pool, remote_length);
190
191	0	snprintf(remote_addr_name, remote_length, "%s (%s)", remote_ether_addr, remote_name);
192
193	0	if (pinfo->p2p_dir == P2P_DIR_RECV) {
194	0	set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(remote_name) + 1, remote_name);
195	0	set_address(&pinfo->dl_src, AT_ETHER, 6, remote_bdaddr->bd_addr);
196	0	set_address(&pinfo->src, AT_STRINGZ, (int)strlen(remote_addr_name) + 1, remote_addr_name);
197	0	} else if (pinfo->p2p_dir == P2P_DIR_SENT) {
198	0	set_address(&pinfo->net_dst, AT_STRINGZ, (int)strlen(remote_name) + 1, remote_name);
199	0	set_address(&pinfo->dl_dst, AT_ETHER, 6, remote_bdaddr->bd_addr);
200	0	set_address(&pinfo->dst, AT_STRINGZ, (int)strlen(remote_addr_name) + 1, remote_addr_name);
201	0	}
202	1	} else {
203	1	if (pinfo->p2p_dir == P2P_DIR_RECV) {
204	0	set_address(&pinfo->net_src, AT_STRINGZ, 1, "");
205	0	set_address(&pinfo->dl_src, AT_STRINGZ, 1, "");
206	0	set_address(&pinfo->src, AT_STRINGZ, 10, "remote ()");
207	1	} else if (pinfo->p2p_dir == P2P_DIR_SENT) {
208	0	set_address(&pinfo->net_dst, AT_STRINGZ, 1, "");
209	0	set_address(&pinfo->dl_dst, AT_STRINGZ, 1, "");
210	0	set_address(&pinfo->dst, AT_STRINGZ, 10, "remote ()");
211	0	}
212	1	}
213
214	1	k_interface_id = bluetooth_data->interface_id;
215	1	k_adapter_id = bluetooth_data->adapter_id;
216	1	k_frame_number = pinfo->num;
217
218		/* localhost bdaddr and name */
219	1	key[0].length = 1;
220	1	key[0].key = &k_interface_id;
221	1	key[1].length = 1;
222	1	key[1].key = &k_adapter_id;
223	1	key[2].length = 1;
224	1	key[2].key = &k_frame_number;
225	1	key[3].length = 0;
226	1	key[3].key = NULL;
227
228
229	1	localhost_bdaddr_entry = (localhost_bdaddr_entry_t *)wmem_tree_lookup32_array_le(bluetooth_data->localhost_bdaddr, key);
230	1	localhost_bdaddr = (uint8_t *) wmem_alloc(pinfo->pool, 6);
231	1	if (localhost_bdaddr_entry && localhost_bdaddr_entry->interface_id == bluetooth_data->interface_id &&
232	1	localhost_bdaddr_entry->adapter_id == bluetooth_data->adapter_id) {
233
234	0	localhost_ether_addr = get_ether_name(localhost_bdaddr_entry->bd_addr);
235	0	memcpy(localhost_bdaddr, localhost_bdaddr_entry->bd_addr, 6);
236	1	} else {
237	1	localhost_ether_addr = "localhost";
238		/* XXX - is this the right value to use? */
239	1	memset(localhost_bdaddr, 0, 6);
240	1	}
241
242	1	localhost_name_entry = (localhost_name_entry_t *)wmem_tree_lookup32_array_le(bluetooth_data->localhost_name, key);
243	1	if (localhost_name_entry && localhost_name_entry->interface_id == bluetooth_data->interface_id &&
244	1	localhost_name_entry->adapter_id == bluetooth_data->adapter_id)
245	0	localhost_name = localhost_name_entry->name;
246	1	else
247	1	localhost_name = "";
248
249	1	localhost_length = (int)(strlen(localhost_ether_addr) + 3 + strlen(localhost_name) + 1);
250	1	localhost_addr_name = (char *)wmem_alloc(pinfo->pool, localhost_length);
251
252	1	snprintf(localhost_addr_name, localhost_length, "%s (%s)", localhost_ether_addr, localhost_name);
253
254	1	if (pinfo->p2p_dir == P2P_DIR_RECV) {
255	0	set_address(&pinfo->net_dst, AT_STRINGZ, (int)strlen(localhost_name) + 1, localhost_name);
256	0	set_address(&pinfo->dl_dst, AT_ETHER, 6, localhost_bdaddr);
257	0	set_address(&pinfo->dst, AT_STRINGZ, (int)strlen(localhost_addr_name) + 1, localhost_addr_name);
258	1	} else if (pinfo->p2p_dir == P2P_DIR_SENT) {
259	0	set_address(&pinfo->net_src, AT_STRINGZ, (int)strlen(localhost_name) + 1, localhost_name);
260	0	set_address(&pinfo->dl_src, AT_ETHER, 6, localhost_bdaddr);
261	0	set_address(&pinfo->src, AT_STRINGZ, (int)strlen(localhost_addr_name) + 1, localhost_addr_name);
262	0	}
263
264	1	proto_tree_add_item(bthci_sco_tree, hf_bthci_sco_data, tvb, offset, tvb_reported_length(tvb), ENC_NA);
265
266	1	if (chandle_session) {
267	0	sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_connect_in, tvb, 0, 0, chandle_session->connect_in_frame);
268	0	proto_item_set_generated(sub_item);
269
270	0	if (chandle_session->disconnect_in_frame < UINT32_MAX) {
271	0	sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_disconnect_in, tvb, 0, 0, chandle_session->disconnect_in_frame);
272	0	proto_item_set_generated(sub_item);
273	0	}
274	0	}
275	1	if (sco_stream_number) {
276	0	sub_item = proto_tree_add_uint(bthci_sco_tree, hf_bthci_sco_stream_number, tvb, 0, 0, sco_stream_number->stream_number);
277	0	proto_item_set_generated(sub_item);
278	0	}
279
280	1	return tvb_reported_length(tvb);
281	1	}
282
283
284		void
285		proto_register_bthci_sco(void)
286	14	{
287	14	static hf_register_info hf[] = {
288	14	{ &hf_bthci_sco_reserved,
289	14	{ "Reserved", "bthci_sco.reserved",
290	14	FT_UINT16, BASE_HEX, NULL, 0xC000,
291	14	NULL, HFILL }
292	14	},
293	14	{ &hf_bthci_sco_packet_status,
294	14	{ "Packet Status", "bthci_sco.packet_status",
295	14	FT_UINT16, BASE_HEX, VALS(packet_status_vals), 0x3000,
296	14	NULL, HFILL }
297	14	},
298	14	{ &hf_bthci_sco_chandle,
299	14	{ "Connection Handle", "bthci_sco.chandle",
300	14	FT_UINT16, BASE_HEX, NULL, 0x0FFF,
301	14	NULL, HFILL }
302	14	},
303	14	{ &hf_bthci_sco_connect_in,
304	14	{ "Connect in frame", "bthci_sco.connect_in",
305	14	FT_FRAMENUM, BASE_NONE, NULL, 0x0,
306	14	NULL, HFILL }
307	14	},
308	14	{ &hf_bthci_sco_disconnect_in,
309	14	{ "Disconnect in frame", "bthci_sco.disconnect_in",
310	14	FT_FRAMENUM, BASE_NONE, NULL, 0x0,
311	14	NULL, HFILL }
312	14	},
313	14	{ &hf_bthci_sco_stream_number,
314	14	{ "Stream Number", "bthci_sco.stream_number",
315	14	FT_UINT32, BASE_DEC, NULL, 0x00,
316	14	NULL, HFILL }
317	14	},
318	14	{ &hf_bthci_sco_length,
319	14	{ "Data Total Length", "bthci_sco.length",
320	14	FT_UINT8, BASE_DEC, NULL, 0x0,
321	14	NULL, HFILL }
322	14	},
323	14	{ &hf_bthci_sco_data,
324	14	{ "Data", "bthci_sco.data",
325	14	FT_NONE, BASE_NONE, NULL, 0x0,
326	14	NULL, HFILL }
327	14	},
328	14	};
329
330		/* Setup protocol subtree array */
331	14	static int *ett[] = {
332	14	&ett_bthci_sco
333	14	};
334
335		/* Register the protocol name and description */
336	14	proto_bthci_sco = proto_register_protocol("Bluetooth HCI SCO Packet", "HCI_SCO", "bthci_sco");
337	14	bthci_sco_handle = register_dissector("bthci_sco", dissect_bthci_sco, proto_bthci_sco);
338
339	14	bthci_sco_stream_numbers = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
340
341		/* Required function calls to register the header fields and subtrees used */
342	14	proto_register_field_array(proto_bthci_sco, hf, array_length(hf));
343	14	proto_register_subtree_array(ett, array_length(ett));
344	14	}
345
346
347		void
348		proto_reg_handoff_bthci_sco(void)
349	14	{
350	14	dissector_add_uint("hci_h4.type", HCI_H4_TYPE_SCO, bthci_sco_handle);
351	14	dissector_add_uint("hci_h1.type", BTHCI_CHANNEL_SCO, bthci_sco_handle);
352	14	}
353
354		/*
355		* Editor modelines - https://www.wireshark.org/tools/modelines.html
356		*
357		* Local variables:
358		* c-basic-offset: 4
359		* tab-width: 8
360		* indent-tabs-mode: nil
361		* End:
362		*
363		* vi: set shiftwidth=4 tabstop=8 expandtab:
364		* :indentSize=4:tabSize=8:noTabs=true:
365		*/