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wireshark/epan/dissectors/packet-hci_mon.c

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/* packet-hci_mon.c
* Routines for Bluetooth Linux Monitor dissection
*
* Copyright 2013, Michal Labedzki for Tieto Corporation
*
* 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/prefs.h>
#include <epan/expert.h>
#include <wiretap/wtap.h>
#include "packet-bluetooth.h"
static int proto_hci_mon = -1;
static int hf_adapter_id = -1;
static int hf_opcode = -1;
static int hf_type = -1;
static int hf_bus = -1;
static int hf_bd_addr = -1;
static int hf_name = -1;
static int hf_manufacturer = -1;
static int hf_system_note = -1;
static int hf_priority = -1;
static int hf_ident_length = -1;
static int hf_ident = -1;
static int hf_cookie = -1;
static int hf_format = -1;
static int hf_version = -1;
static int hf_revision = -1;
static int hf_flags = -1;
static int hf_flags_trusted_socket = -1;
static int hf_command_length = -1;
static int hf_command = -1;
static int hf_event = -1;
static gint ett_hci_mon = -1;
static gint ett_flags = -1;
static expert_field ei_unknown_data = EI_INIT;
static wmem_tree_t *adapter_to_disconnect_in_frame = NULL;
static dissector_handle_t hci_mon_handle;
static dissector_handle_t bthci_cmd_handle;
static dissector_handle_t bthci_evt_handle;
static dissector_handle_t bthci_acl_handle;
static dissector_handle_t bthci_sco_handle;
#define OPCODE_NEW_INDEX 0
#define OPCODE_DELETE_INDEX 1
#define OPCODE_HCI_COMMAND_PKT 2
#define OPCODE_HCI_EVENT_PKT 3
#define OPCODE_ACL_TX_PACKET 4
#define OPCODE_ACL_RX_PACKET 5
#define OPCODE_SCO_TX_PACKET 6
#define OPCODE_SCO_RX_PACKET 7
#define OPCODE_OPEN_INDEX 8
#define OPCODE_CLOSE_INDEX 9
#define OPCODE_INDEX_INFO 10
#define OPCODE_VENDOR_DIAGNOSTIC 11
#define OPCODE_SYSTEM_NOTE 12
#define OPCODE_USER_LOGGING 13
#define OPCODE_CONTROL_OPEN 14
#define OPCODE_CONTROL_CLOSE 15
#define OPCODE_CONTROL_COMMAND 16
#define OPCODE_CONTROL_EVENT 17
static const value_string opcode_vals[] = {
{ OPCODE_NEW_INDEX, "New Index" },
{ OPCODE_DELETE_INDEX, "Delete Index" },
{ OPCODE_HCI_COMMAND_PKT, "HCI Command Packet" },
{ OPCODE_HCI_EVENT_PKT, "HCI Event Packet" },
{ OPCODE_ACL_TX_PACKET, "ACL Tx Packet" },
{ OPCODE_ACL_RX_PACKET, "ACL Rx Packet" },
{ OPCODE_SCO_TX_PACKET, "SCO Tx Packet" },
{ OPCODE_SCO_RX_PACKET, "SCO Rx Packet" },
{ OPCODE_OPEN_INDEX, "Open Index" },
{ OPCODE_CLOSE_INDEX, "Close Index" },
{ OPCODE_INDEX_INFO, "Index Info" },
{ OPCODE_VENDOR_DIAGNOSTIC, "Vendor Diagnostic" },
{ OPCODE_SYSTEM_NOTE, "System Note" },
{ OPCODE_USER_LOGGING, "User Logging" },
{ OPCODE_CONTROL_OPEN, "Control Open" },
{ OPCODE_CONTROL_CLOSE, "Control Close" },
{ OPCODE_CONTROL_COMMAND, "Control Command" },
{ OPCODE_CONTROL_EVENT, "Control Event" },
{ 0, NULL }
};
value_string_ext(hci_mon_opcode_vals_ext) = VALUE_STRING_EXT_INIT(opcode_vals);
static const value_string type_vals[] = {
{ 0x00, "Virtual" },
{ 0x01, "USB" },
{ 0x02, "PC Card" },
{ 0x03, "UART" },
{ 0x04, "RS232" },
{ 0x05, "PCI" },
{ 0x06, "SDIO" },
{ 0x00, NULL }
};
static value_string_ext(type_vals_ext) = VALUE_STRING_EXT_INIT(type_vals);
static const value_string bus_vals[] = {
{ 0x00, "BR/EDR" },
{ 0x01, "AMP" },
{ 0x00, NULL }
};
static value_string_ext(bus_vals_ext) = VALUE_STRING_EXT_INIT(bus_vals);
#define CTRL_OPEN_RAW 0x0000
#define CTRL_OPEN_USER 0x0001
#define CTRL_OPEN_CONTROL 0x0002
static const value_string format_vals[] = {
{ CTRL_OPEN_RAW, "Rqw" },
{ CTRL_OPEN_USER, "User" },
{ CTRL_OPEN_CONTROL, "Control" },
{ 0x00, NULL }
};
static value_string_ext(format_vals_ext) = VALUE_STRING_EXT_INIT(format_vals);
#define EVENT_COMMAND_COMPLETE 0x0001
#define EVENT_COMMAND_STATUS 0x0002
#define EVENT_CONTROLLER_ERROR 0x0003
#define EVENT_INDEX_ADDED 0x0004
#define EVENT_INDEX_REMOVED 0x0005
#define EVENT_NEW_SETTINGS 0x0006
#define EVENT_CLASS_OF_DEVICE_CHANGED 0x0007
#define EVENT_LOCAL_NAME_CHANGED 0x0008
#define EVENT_NEW_LINK_KEY 0x0009
#define EVENT_NEW_LONG_TERM_KEY 0x000a
#define EVENT_DEVICE_CONNECTED 0x000b
#define EVENT_DEVICE_DISCONNECTED 0x000c
#define EVENT_CONNECT_FAILED 0x000d
#define EVENT_PIN_CODE_REQUEST 0x000e
#define EVENT_USER_CONFIRMATION_REQUEST 0x000f
#define EVENT_USER_PASSKEY_REQUEST 0x0010
#define EVENT_AUTHENTICAION_FAILED 0x0011
#define EVENT_DEVICE_FOUND 0x0012
#define EVENT_DISCOVERING 0x0013
#define EVENT_DEVICE_BLOCKED 0x0014
#define EVENT_DEVICE_UNBLOCKED 0x0015
#define EVENT_DEVICE_UNPAIRED 0x0016
#define EVENT_PASSKEY_NOTIFY 0x0017
#define EVENT_NEW_IRK 0x0018
#define EVENT_NEW_CSRK 0x0019
#define EVENT_DEVICE_ADDED 0x001a
#define EVENT_DEVICE_REMOVED 0x001b
#define EVENT_NEW_CONNECTION_PARAMETER 0x001c
#define EVENT_UNCONFIGURED_INDEX_ADDED 0x001d
#define EVENT_UNCONFIGURED_INDEX_REMOVED 0x001e
#define EVENT_NEW_CONFIGURATION_OPTIONS 0x001f
#define EVENT_EXTENDED_INDEX_ADDED 0x0020
#define EVENT_EXTENDED_INDEX_REMOVED 0x0021
#define EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED 0x0022
#define EVENT_ADVERTISING_ADDED 0x0023
#define EVENT_ADVERTISING_REMOVED 0x0024
#define EVENT_EXTENDED_INFO_CHANGED 0x0025
#define EVENT_PHY_CONFIGURATION_CHANGED 0x0026
static const value_string event_vals[] = {
{ EVENT_COMMAND_COMPLETE, "Command complete" },
{ EVENT_COMMAND_STATUS, "Command status" },
{ EVENT_CONTROLLER_ERROR, "Controller error" },
{ EVENT_INDEX_ADDED, "Index added" },
{ EVENT_INDEX_REMOVED, "Index removed" },
{ EVENT_NEW_SETTINGS, "New settings" },
{ EVENT_CLASS_OF_DEVICE_CHANGED, "Class of device changed" },
{ EVENT_LOCAL_NAME_CHANGED, "Local name changed" },
{ EVENT_NEW_LINK_KEY, "New link key" },
{ EVENT_NEW_LONG_TERM_KEY, "New long-term key" },
{ EVENT_DEVICE_CONNECTED, "Device connected" },
{ EVENT_DEVICE_DISCONNECTED, "Device disconnected" },
{ EVENT_CONNECT_FAILED, "Connect failed" },
{ EVENT_PIN_CODE_REQUEST, "PIN code request" },
{ EVENT_USER_CONFIRMATION_REQUEST, "User confirmation request" },
{ EVENT_USER_PASSKEY_REQUEST, "User passkey request" },
{ EVENT_AUTHENTICAION_FAILED, "Authentication failed" },
{ EVENT_DEVICE_FOUND, "Device found" },
{ EVENT_DISCOVERING, "Discovering" },
{ EVENT_DEVICE_BLOCKED, "Device blocked" },
{ EVENT_DEVICE_UNBLOCKED, "Device unblocked" },
{ EVENT_DEVICE_UNPAIRED, "Device unpaired" },
{ EVENT_PASSKEY_NOTIFY, "Passkey notify" },
{ EVENT_NEW_IRK, "New IRK" },
{ EVENT_NEW_CSRK, "New CSRK" },
{ EVENT_DEVICE_ADDED, "Device added" },
{ EVENT_DEVICE_REMOVED, "Device removed" },
{ EVENT_NEW_CONNECTION_PARAMETER, "New connection parameter" },
{ EVENT_UNCONFIGURED_INDEX_ADDED, "Unconfigured index added" },
{ EVENT_UNCONFIGURED_INDEX_REMOVED, "Unconfigured index removed" },
{ EVENT_NEW_CONFIGURATION_OPTIONS, "New configuration options" },
{ EVENT_EXTENDED_INDEX_ADDED, "Extended index added" },
{ EVENT_EXTENDED_INDEX_REMOVED, "Extended index removed" },
{ EVENT_LOCAL_OUT_OF_BAND_DATA_UPDATED, "Local out-of-band data updated" },
{ EVENT_ADVERTISING_ADDED, "Advertising added" },
{ EVENT_ADVERTISING_REMOVED, "Advertising removed" },
{ EVENT_EXTENDED_INFO_CHANGED, "Extended info changed" },
{ EVENT_PHY_CONFIGURATION_CHANGED, "PHY configuration changed" },
{ 0x00, NULL }
};
static value_string_ext(event_vals_ext) = VALUE_STRING_EXT_INIT(event_vals);
void proto_register_hci_mon(void);
void proto_reg_handoff_hci_mon(void);
static gint
dissect_hci_mon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_tree *hci_mon_item;
proto_item *hci_mon_tree;
proto_item *sub_item;
gint offset = 0;
guint16 opcode;
guint16 adapter_id;
bluetooth_data_t *bluetooth_data;
tvbuff_t *next_tvb;
guint32 *adapter_disconnect_in_frame;
wmem_tree_t *subtree;
wmem_tree_key_t key[4];
guint32 k_interface_id;
guint32 k_adapter_id;
guint32 k_frame_number;
guint32 ident_length;
guint32 command_length;
static int * const flags_fields[] = {
&hf_flags_trusted_socket,
NULL
};
bluetooth_data = (bluetooth_data_t *) data;
/*
* XXX - the raw data sent to a Bluetooth monitor socket has a 6-byte
* header, the last 2 bytes of which are a big-endian length field,
* giving the length of the payload.
*
* Somehow, the length field disappears.
*/
DISSECTOR_ASSERT(bluetooth_data->previous_protocol_data_type == BT_PD_BTMON);
adapter_id = bluetooth_data->previous_protocol_data.btmon->adapter_id;
opcode = bluetooth_data->previous_protocol_data.btmon->opcode;
if (opcode == 0x00 || opcode == 0x01)
pinfo->p2p_dir = P2P_DIR_RECV;
else if (opcode % 2)
pinfo->p2p_dir = P2P_DIR_RECV;
else
pinfo->p2p_dir = P2P_DIR_SENT;
hci_mon_item = proto_tree_add_item(tree, proto_hci_mon, tvb, offset, tvb_captured_length(tvb), ENC_NA);
hci_mon_tree = proto_item_add_subtree(hci_mon_item, ett_hci_mon);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI_MON");
if (opcode == 0x00 || opcode == 0x01)
col_set_str(pinfo->cinfo, COL_INFO, "Info ");
else 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;
}
sub_item = proto_tree_add_uint(hci_mon_tree, hf_adapter_id, tvb, offset, 0, adapter_id);
proto_item_set_generated(sub_item);
sub_item = proto_tree_add_uint(hci_mon_tree, hf_opcode, tvb, offset, 0, opcode);
proto_item_set_generated(sub_item);
col_append_fstr(pinfo->cinfo, COL_INFO, "Adapter Id: %u, Opcode: %s",
adapter_id, val_to_str_ext_const(opcode, &hci_mon_opcode_vals_ext, "Unknown (%u)"));
bluetooth_data->adapter_id = adapter_id;
k_interface_id = bluetooth_data->interface_id;
k_adapter_id = adapter_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;
if (!pinfo->fd->visited && opcode == 0x01) { /* Delete Index */
guint32 *disconnect_in_frame;
key[2].length = 1;
key[2].key = &k_frame_number;
key[3].length = 0;
key[3].key = NULL;
disconnect_in_frame = wmem_new(wmem_file_scope(), guint32);
if (disconnect_in_frame) {
*disconnect_in_frame = pinfo->num;
wmem_tree_insert32_array(adapter_to_disconnect_in_frame, key, disconnect_in_frame);
}
}
key[2].length = 0;
key[2].key = NULL;
subtree = (wmem_tree_t *) wmem_tree_lookup32_array(adapter_to_disconnect_in_frame, key);
adapter_disconnect_in_frame = (subtree) ? (guint32 *) wmem_tree_lookup32_le(subtree, k_frame_number) : NULL;
if (adapter_disconnect_in_frame) {
bluetooth_data->adapter_disconnect_in_frame = adapter_disconnect_in_frame;
} else {
bluetooth_data->adapter_disconnect_in_frame = &bluetooth_max_disconnect_in_frame;
}
pinfo->ptype = PT_BLUETOOTH;
next_tvb = tvb_new_subset_remaining(tvb, offset);
switch(opcode) {
case OPCODE_NEW_INDEX:
proto_tree_add_item(hci_mon_tree, hf_bus, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(hci_mon_tree, hf_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
offset = dissect_bd_addr(hf_bd_addr, pinfo, hci_mon_tree, tvb, offset, TRUE, bluetooth_data->interface_id, bluetooth_data->adapter_id, NULL);
proto_tree_add_item(hci_mon_tree, hf_name, tvb, offset, 8, ENC_NA | ENC_ASCII);
offset += 8;
break;
case OPCODE_DELETE_INDEX:
/* No parameters */
break;
case OPCODE_HCI_COMMAND_PKT:
call_dissector_with_data(bthci_cmd_handle, next_tvb, pinfo, tree, bluetooth_data);
offset = tvb_reported_length(tvb);
break;
case OPCODE_HCI_EVENT_PKT:
call_dissector_with_data(bthci_evt_handle, next_tvb, pinfo, tree, bluetooth_data);
offset = tvb_reported_length(tvb);
break;
case OPCODE_ACL_TX_PACKET:
case OPCODE_ACL_RX_PACKET:
call_dissector_with_data(bthci_acl_handle, next_tvb, pinfo, tree, bluetooth_data);
offset = tvb_reported_length(tvb);
break;
case OPCODE_SCO_TX_PACKET:
case OPCODE_SCO_RX_PACKET:
call_dissector_with_data(bthci_sco_handle, next_tvb, pinfo, tree, bluetooth_data);
offset = tvb_reported_length(tvb);
break;
case OPCODE_OPEN_INDEX:
/* No parameters */
break;
case OPCODE_CLOSE_INDEX:
/* No parameters */
break;
case OPCODE_INDEX_INFO:
offset = dissect_bd_addr(hf_bd_addr, pinfo, hci_mon_tree, tvb, offset, TRUE, bluetooth_data->interface_id, bluetooth_data->adapter_id, NULL);
proto_tree_add_item(hci_mon_tree, hf_manufacturer, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
break;
case OPCODE_VENDOR_DIAGNOSTIC:
/* XXX - what are the parameters, if any? */
break;
case OPCODE_SYSTEM_NOTE:
/*
* XXX - NUL-terminated, so that you always have a NUL at the
* end of the message?
*
* Or is it data from userland, which might or might not be
* NUL-terminated?
*
* We make it FT_STRINGZPAD, just in case.
*/
proto_tree_add_item(hci_mon_tree, hf_system_note, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA | ENC_ASCII);
offset = tvb_reported_length(tvb);
break;
case OPCODE_USER_LOGGING:
proto_tree_add_item(hci_mon_tree, hf_priority, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item_ret_uint(hci_mon_tree, hf_priority, tvb, offset, 1, ENC_NA, &ident_length);
offset += 1;
/*
* XXX - this is both counted and NUL-terminated, so you have
* <length> bytes of string followed by a NUL. We'll just
* treat it as counted.
*/
proto_tree_add_item(hci_mon_tree, hf_priority, tvb, offset, ident_length, ENC_NA | ENC_ASCII);
offset += ident_length + 1; /* Skip the terminating NUL */
break;
case OPCODE_CONTROL_OPEN:
proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(hci_mon_tree, hf_format, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(hci_mon_tree, hf_version, tvb, offset, 1, ENC_NA);
proto_tree_add_item(hci_mon_tree, hf_revision, tvb, offset + 1, 2, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_bitmask(hci_mon_tree, tvb, offset, hf_flags, ett_flags,
flags_fields, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item_ret_uint(hci_mon_tree, hf_command_length, tvb, offset, 1, ENC_NA, &command_length);
offset += 1;
/*
* XXX - null-padded? We assume so; the Linux kernel code, as of
* the 5.3 kernel, always copies TASK_COMM_LEN bytes and sets the
* command length to TASK_COMM_LEN.
*/
proto_tree_add_item(hci_mon_tree, hf_command, tvb, offset, command_length, ENC_NA | ENC_ASCII);
offset += command_length;
break;
case OPCODE_CONTROL_CLOSE:
proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
break;
case OPCODE_CONTROL_COMMAND:
proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
/* XXX - different field for this opcode? */
proto_tree_add_item(hci_mon_tree, hf_opcode, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
break;
case OPCODE_CONTROL_EVENT:
proto_tree_add_item(hci_mon_tree, hf_cookie, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(hci_mon_tree, hf_event, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
/* XXX - dissect the payload of the event */
break;
}
if (tvb_reported_length_remaining(tvb, offset) > 0) {
proto_tree_add_expert(hci_mon_tree, pinfo, &ei_unknown_data, tvb, offset, tvb_reported_length_remaining(tvb, offset));
offset = tvb_reported_length(tvb);
}
/* NOTE: Oops... HCI_MON have special packet with length 0, but there is a pseudo-header with certain infos,
mark it as dissected */
if (opcode == 0x01)
return 1;
return offset;
}
void
proto_register_hci_mon(void)
{
module_t *module;
expert_module_t *expert_module;
static hf_register_info hf[] = {
{ &hf_adapter_id,
{ "Adapter ID", "hci_mon.adapter_id",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }
},
{ &hf_opcode,
{ "Opcode", "hci_mon.opcode",
FT_UINT16, BASE_DEC | BASE_EXT_STRING, &hci_mon_opcode_vals_ext, 0x00,
NULL, HFILL }
},
{ &hf_type,
{ "Type", "hci_mon.type",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &type_vals_ext, 0x00,
NULL, HFILL }
},
{ &hf_bus,
{ "Bus", "hci_mon.bus",
FT_UINT8, BASE_HEX | BASE_EXT_STRING, &bus_vals_ext, 0x00,
NULL, HFILL }
},
{ &hf_bd_addr,
{ "BD_ADDR", "hci_mon.bd_addr",
FT_ETHER, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_name,
{ "Adapter Name", "hci_mon.adapter_name",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_manufacturer,
{ "Manufacturer", "hci_mon.manufacturer",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_system_note,
{ "System Note", "hci_mon.system_note",
FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_priority,
{ "Priority", "hci_mon.priority",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{ &hf_ident_length,
{ "Ident Length", "hci_mon.ident_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{ &hf_ident,
{ "Ident", "hci_mon.ident",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_cookie,
{ "Cookie", "hci_mon.cookie",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_format,
{ "Format", "hci_mon.format",
FT_UINT16, BASE_HEX | BASE_EXT_STRING, &format_vals_ext, 0x00,
NULL, HFILL}
},
{ &hf_version,
{ "Version", "hci_mon.version",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL}
},
{ &hf_revision,
{ "Revision", "hci_mon.version_minor",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL}
},
{ &hf_flags,
{ "Flags", "hci_mon.flags",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_flags_trusted_socket,
{ "Trusted Socket", "hci_mon.flags.trusted_socket",
FT_BOOLEAN, 32, NULL, 0x00000001,
NULL, HFILL}
},
{ &hf_command_length,
{ "Command Length", "hci_mon.command_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{ &hf_command,
{ "Command", "hci_mon.command",
FT_STRINGZPAD, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_event,
{ "Event", "hci_mon.event",
FT_UINT16, BASE_HEX | BASE_EXT_STRING, &event_vals_ext, 0x0,
NULL, HFILL}
}
};
static ei_register_info ei[] = {
{ &ei_unknown_data, { "hci_mon.unknown_data", PI_PROTOCOL, PI_WARN, "Unknown data", EXPFILL }},
};
static gint *ett[] = {
&ett_hci_mon,
&ett_flags
};
proto_hci_mon = proto_register_protocol("Bluetooth Linux Monitor Transport", "HCI_MON", "hci_mon");
proto_register_field_array(proto_hci_mon, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
hci_mon_handle = register_dissector("hci_mon", dissect_hci_mon, proto_hci_mon);
expert_module = expert_register_protocol(proto_hci_mon);
expert_register_field_array(expert_module, ei, array_length(ei));
adapter_to_disconnect_in_frame = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
module = prefs_register_protocol_subtree("Bluetooth", proto_hci_mon, NULL);
prefs_register_static_text_preference(module, "bthci_mon.version",
"Bluetooth Linux Monitor Transport introduced in BlueZ 5.x",
"Version of protocol supported by this dissector.");
}
void
proto_reg_handoff_hci_mon(void)
{
bthci_cmd_handle = find_dissector_add_dependency("bthci_cmd", proto_hci_mon);
bthci_evt_handle = find_dissector_add_dependency("bthci_evt", proto_hci_mon);
bthci_acl_handle = find_dissector_add_dependency("bthci_acl", proto_hci_mon);
bthci_sco_handle = find_dissector_add_dependency("bthci_sco", proto_hci_mon);
dissector_add_uint("bluetooth.encap", WTAP_ENCAP_BLUETOOTH_LINUX_MONITOR, hci_mon_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:
*/
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