forked from osmocom/wireshark
![Dario Lombardo](/assets/img/avatar_default.png)
Change-Id: I92c94448e6641716d03158a5f332c8b53709423a Reviewed-on: https://code.wireshark.org/review/25756 Petri-Dish: Dario Lombardo <lomato@gmail.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
261 lines
8.4 KiB
C
261 lines
8.4 KiB
C
/* packet-packetlogger.c
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* Routines for Apple's PacketLogger Types
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*
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* Copyright 2009, Stig Bjorlykke <stig@bjorlykke.org>
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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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#include "config.h"
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#include <epan/packet.h>
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#include <wiretap/wtap.h>
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#include "packet-bluetooth.h"
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void proto_register_packetlogger(void);
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void proto_reg_handoff_packetlogger(void);
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#define PNAME "PacketLogger"
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#define PSNAME "PKTLOG"
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#define PFNAME "packetlogger"
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static int proto_packetlogger = -1;
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static int hf_type = -1;
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static int hf_info = -1;
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static int hf_syslog = -1;
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static int hf_syslog_process_id = -1;
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static int hf_syslog_message_type = -1;
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static int hf_syslog_process = -1;
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static int hf_syslog_sender = -1;
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static int hf_syslog_subsystem = -1;
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static int hf_syslog_category = -1;
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static int hf_syslog_message = -1;
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static gint ett_packetlogger = -1;
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static gint ett_syslog = -1;
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static dissector_handle_t packetlogger_handle;
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static dissector_table_t hci_h1_table;
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#define PKT_HCI_COMMAND 0x00
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#define PKT_HCI_EVENT 0x01
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#define PKT_SENT_ACL_DATA 0x02
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#define PKT_RECV_ACL_DATA 0x03
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#define PKT_LMP_SEND 0x0A
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#define PKT_LMP_RECV 0x0B
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#define PKT_SYSLOG 0xF7
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#define PKT_KERNEL 0xF8
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#define PKT_KERNEL_DEBUG 0xF9
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#define PKT_ERROR 0xFA
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#define PKT_POWER 0xFB
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#define PKT_NOTE 0xFC
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#define PKT_CONFIG 0xFD
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#define PKT_NEW_CONTROLLER 0xFE
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static const value_string type_vals[] = {
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{ PKT_HCI_COMMAND, "HCI Command" },
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{ PKT_HCI_EVENT, "HCI Event" },
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{ PKT_SENT_ACL_DATA, "Sent ACL Data" },
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{ PKT_RECV_ACL_DATA, "Recv ACL Data" },
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{ PKT_LMP_SEND, "Sent LMP Data" },
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{ PKT_LMP_RECV, "Recv LMP Data" },
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{ PKT_SYSLOG, "Syslog" },
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{ PKT_KERNEL, "Kernel" },
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{ PKT_KERNEL_DEBUG, "Kernel Debug" },
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{ PKT_ERROR, "Error" },
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{ PKT_POWER, "Power" },
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{ PKT_NOTE, "Note" },
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{ PKT_CONFIG, "Config" },
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{ PKT_NEW_CONTROLLER, "New Controller" },
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{ 0, NULL }
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};
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static void dissect_syslog(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_item *ti = NULL;
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proto_tree *sub_tree = NULL;
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gint offset = 0;
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gint len;
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ti = proto_tree_add_item (tree, hf_syslog, tvb, 0, -1, ENC_NA);
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sub_tree = proto_item_add_subtree (ti, ett_syslog);
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proto_tree_add_item (sub_tree, hf_syslog_process_id, tvb, offset, 4, ENC_LITTLE_ENDIAN);
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offset += 4;
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proto_tree_add_item (sub_tree, hf_syslog_message_type, tvb, offset, 1, ENC_NA);
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offset += 1;
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len = tvb_strsize (tvb, offset);
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proto_tree_add_item (sub_tree, hf_syslog_process, tvb, offset, len, ENC_ASCII|ENC_NA);
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offset += len;
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len = tvb_strsize (tvb, offset);
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proto_tree_add_item (sub_tree, hf_syslog_sender, tvb, offset, len, ENC_ASCII|ENC_NA);
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offset += len;
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len = tvb_strsize (tvb, offset);
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proto_tree_add_item (sub_tree, hf_syslog_subsystem, tvb, offset, len, ENC_ASCII|ENC_NA);
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offset += len;
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len = tvb_strsize (tvb, offset);
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proto_tree_add_item (sub_tree, hf_syslog_category, tvb, offset, len, ENC_ASCII|ENC_NA);
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offset += len;
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len = tvb_strsize (tvb, offset);
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proto_tree_add_item (sub_tree, hf_syslog_message, tvb, offset, len, ENC_ASCII|ENC_NA);
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col_add_fstr (pinfo->cinfo, COL_INFO, "%s", tvb_format_stringzpad_wsp (wmem_packet_scope(), tvb, offset, len));
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}
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static int dissect_packetlogger(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, void *data)
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{
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proto_tree *packetlogger_tree = NULL;
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tvbuff_t *next_tvb;
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proto_item *ti = NULL;
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guint8 pl_type;
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gint len;
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bluetooth_data_t *bluetooth_data;
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struct bthci_phdr bthci;
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bluetooth_data = (bluetooth_data_t *) data;
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col_set_str (pinfo->cinfo, COL_PROTOCOL, PSNAME);
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col_clear (pinfo->cinfo, COL_INFO);
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ti = proto_tree_add_item (tree, proto_packetlogger, tvb, 0, -1, ENC_NA);
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packetlogger_tree = proto_item_add_subtree (ti, ett_packetlogger);
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pl_type = tvb_get_guint8 (tvb, 0);
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proto_tree_add_item (packetlogger_tree, hf_type, tvb, 0, 1, ENC_BIG_ENDIAN);
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proto_item_append_text (ti, " %s", val_to_str (pl_type, type_vals, "Unknown 0x%02x"));
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len = tvb_reported_length_remaining (tvb, 1);
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next_tvb = tvb_new_subset_remaining (tvb, 1);
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if (pl_type <= PKT_RECV_ACL_DATA) {
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/* HCI H1 packages */
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switch (pl_type) {
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case PKT_HCI_COMMAND:
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bthci.channel = BTHCI_CHANNEL_COMMAND;
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bthci.sent = P2P_DIR_SENT;
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pinfo->p2p_dir = P2P_DIR_SENT;
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break;
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case PKT_HCI_EVENT:
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bthci.channel = BTHCI_CHANNEL_EVENT;
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bthci.sent = P2P_DIR_RECV;
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pinfo->p2p_dir = P2P_DIR_RECV;
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break;
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case PKT_SENT_ACL_DATA:
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bthci.channel = BTHCI_CHANNEL_ACL;
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bthci.sent = P2P_DIR_SENT;
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pinfo->p2p_dir = P2P_DIR_SENT;
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break;
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case PKT_RECV_ACL_DATA:
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bthci.channel = BTHCI_CHANNEL_ACL;
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bthci.sent = P2P_DIR_RECV;
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pinfo->p2p_dir = P2P_DIR_RECV;
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break;
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default:
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bthci.channel = pl_type;
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bthci.sent = P2P_DIR_UNKNOWN;
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pinfo->p2p_dir = P2P_DIR_UNKNOWN;
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break;
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}
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bluetooth_data->previous_protocol_data.bthci = &bthci;
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proto_item_set_len (ti, 1);
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col_add_fstr (pinfo->cinfo, COL_INFO, "%s", val_to_str(pl_type, type_vals, "Unknown 0x%02x"));
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if (!dissector_try_uint_new(hci_h1_table, bthci.channel,
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next_tvb, pinfo, tree, TRUE, bluetooth_data)) {
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call_data_dissector(next_tvb, pinfo, tree);
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}
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} else {
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/* PacketLogger data */
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switch (pl_type) {
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case PKT_SYSLOG:
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dissect_syslog (next_tvb, pinfo, packetlogger_tree);
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break;
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case PKT_KERNEL:
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case PKT_KERNEL_DEBUG:
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case PKT_ERROR:
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case PKT_POWER:
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case PKT_NOTE:
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case PKT_CONFIG:
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case PKT_NEW_CONTROLLER:
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proto_tree_add_item (packetlogger_tree, hf_info, next_tvb, 0, len, ENC_ASCII|ENC_NA);
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col_add_fstr (pinfo->cinfo, COL_INFO, "%s", tvb_format_stringzpad_wsp (wmem_packet_scope(), next_tvb, 0, len));
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break;
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default:
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call_data_dissector(next_tvb, pinfo, tree);
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col_add_fstr (pinfo->cinfo, COL_INFO, "Unknown 0x%02x", pl_type);
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break;
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}
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}
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return tvb_captured_length(tvb);
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}
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void proto_register_packetlogger (void)
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{
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static hf_register_info hf[] = {
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{ &hf_type,
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{ "Type", "packetlogger.type", FT_UINT8, BASE_HEX, VALS(type_vals), 0x0, NULL, HFILL } },
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{ &hf_info,
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{ "Info", "packetlogger.info", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
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{ &hf_syslog,
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{ "Syslog", "packetlogger.syslog", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_process_id,
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{ "ProcessID", "packetlogger.syslog.process_id", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_message_type,
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{ "Message Type", "packetlogger.syslog.message_type", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_process,
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{ "Process", "packetlogger.syslog.process", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_sender,
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{ "Sender", "packetlogger.syslog.sender", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_subsystem,
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{ "Subsystem", "packetlogger.syslog.subsystem", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_category,
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{ "Category", "packetlogger.syslog.category", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
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{ &hf_syslog_message,
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{ "Message", "packetlogger.syslog.message", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } }
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};
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static gint *ett[] = {
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&ett_packetlogger,
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&ett_syslog
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};
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proto_packetlogger = proto_register_protocol (PNAME, PSNAME, PFNAME);
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packetlogger_handle = register_dissector (PFNAME, dissect_packetlogger, proto_packetlogger);
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proto_register_field_array (proto_packetlogger, hf, array_length (hf));
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proto_register_subtree_array (ett, array_length (ett));
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}
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void proto_reg_handoff_packetlogger (void)
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{
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hci_h1_table = find_dissector_table("hci_h1.type");
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dissector_add_uint ("bluetooth.encap", WTAP_ENCAP_PACKETLOGGER, packetlogger_handle);
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 2
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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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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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