![Michal Labedzki](/assets/img/avatar_default.png)
Also remove SVN $Id$ lines. Change-Id: I4f2925e6ad8dcfe4a62d879a2cef44447f8ae916 Reviewed-on: https://code.wireshark.org/review/476 Reviewed-by: Anders Broman <a.broman58@gmail.com>
188 lines
6 KiB
C
188 lines
6 KiB
C
/* packet-hci_h1.c
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* Routines for the Bluetooth HCI H1 dissection
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <wiretap/wtap.h>
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#include <epan/wmem/wmem.h>
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#include <wiretap/wtap.h>
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#include "packet-bluetooth-hci.h"
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static int proto_hci_h1 = -1;
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static int hf_hci_h1_direction = -1;
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static gint ett_hci_h1 = -1;
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static dissector_table_t hci_h1_table;
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static dissector_handle_t hci_h1_handle;
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static dissector_handle_t data_handle;
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static wmem_tree_t *chandle_to_bdaddr_table = NULL;
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static wmem_tree_t *bdaddr_to_name_table = NULL;
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static wmem_tree_t *localhost_name = NULL;
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static wmem_tree_t *localhost_bdaddr = NULL;
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static const value_string hci_h1_type_vals[] = {
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{BTHCI_CHANNEL_COMMAND, "HCI Command"},
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{BTHCI_CHANNEL_ACL, "ACL Data"},
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{BTHCI_CHANNEL_SCO, "SCO Data"},
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{BTHCI_CHANNEL_EVENT, "HCI Event"},
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{0, NULL }
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};
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static const value_string hci_h1_direction_vals[] = {
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{-1, "Unknown"},
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{0, "Sent"},
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{1, "Rcvd"},
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{0, NULL}
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};
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void proto_register_hci_h1(void);
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void proto_reg_handoff_hci_h1(void);
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static gint
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dissect_hci_h1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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guint8 type;
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tvbuff_t *next_tvb;
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proto_item *ti = NULL;
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proto_tree *hci_h1_tree = NULL;
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hci_data_t *hci_data;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI");
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col_clear(pinfo->cinfo, COL_INFO);
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type = pinfo->pseudo_header->bthci.channel;
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if (tree) {
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ti = proto_tree_add_item(tree, proto_hci_h1, tvb, 0, 0, ENC_NA);
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hci_h1_tree = proto_item_add_subtree(ti, ett_hci_h1);
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if(pinfo->p2p_dir == P2P_DIR_SENT ||
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pinfo->p2p_dir == P2P_DIR_RECV)
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proto_item_append_text(hci_h1_tree, " %s %s",
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val_to_str(pinfo->p2p_dir,
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hci_h1_direction_vals, "Unknown: %d"),
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val_to_str(type,
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hci_h1_type_vals,
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"Unknown 0x%02x"));
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else
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proto_item_append_text(hci_h1_tree, " %s",
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val_to_str(type,
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hci_h1_type_vals,
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"Unknown 0x%02x"));
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}
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if(pinfo->p2p_dir == P2P_DIR_SENT ||
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pinfo->p2p_dir == P2P_DIR_RECV)
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s",
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val_to_str(pinfo->p2p_dir,
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hci_h1_direction_vals, "Unknown: %d"),
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val_to_str(type, hci_h1_type_vals,
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"Unknown 0x%02x"));
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else
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s",
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val_to_str(type, hci_h1_type_vals,
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"Unknown 0x%02x"));
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hci_data = wmem_new(wmem_packet_scope(), hci_data_t);
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if (pinfo->phdr->presence_flags & WTAP_HAS_INTERFACE_ID)
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hci_data->interface_id = pinfo->phdr->interface_id;
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else
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hci_data->interface_id = HCI_INTERFACE_DEFAULT;
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hci_data->adapter_id = HCI_ADAPTER_DEFAULT;
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hci_data->chandle_to_bdaddr_table = chandle_to_bdaddr_table;
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hci_data->bdaddr_to_name_table = bdaddr_to_name_table;
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hci_data->localhost_bdaddr = localhost_bdaddr;
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hci_data->localhost_name = localhost_name;
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pinfo->ptype = PT_BLUETOOTH;
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ti = proto_tree_add_int(hci_h1_tree, hf_hci_h1_direction, tvb, 0, 0, pinfo->p2p_dir);
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PROTO_ITEM_SET_GENERATED(ti);
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next_tvb = tvb_new_subset_remaining(tvb, 0);
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if (!dissector_try_uint_new(hci_h1_table, type, next_tvb, pinfo, tree, TRUE, hci_data)) {
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call_dissector(data_handle, next_tvb, pinfo, tree);
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}
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return tvb_length(tvb);
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}
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void
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proto_register_hci_h1(void)
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{
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static hf_register_info hf[] = {
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{ &hf_hci_h1_direction,
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{ "Direction", "hci_h1.direction",
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FT_INT8, BASE_DEC, VALS(hci_h1_direction_vals), 0x0,
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"HCI Packet Direction Sent/Rcvd/Unknown", HFILL }
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}
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};
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static gint *ett[] = {
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&ett_hci_h1,
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};
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proto_hci_h1 = proto_register_protocol("Bluetooth HCI H1",
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"HCI_H1", "hci_h1");
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hci_h1_handle = new_register_dissector("hci_h1", dissect_hci_h1, proto_hci_h1);
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proto_register_field_array(proto_hci_h1, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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hci_h1_table = register_dissector_table("hci_h1.type",
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"HCI h1 pdu type", FT_UINT8, BASE_HEX);
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chandle_to_bdaddr_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); /* adapter, chandle: bdaddr */
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bdaddr_to_name_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); /* bdaddr: name */
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localhost_bdaddr = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); /* adapter, frame: bdaddr */
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localhost_name = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope()); /* adapter, frame: name */
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}
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void
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proto_reg_handoff_hci_h1(void)
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{
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data_handle = find_dissector("data");
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dissector_add_uint("wtap_encap", WTAP_ENCAP_BLUETOOTH_HCI, hci_h1_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: 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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