/* packet-zbee-tlv.c

 * Dissector routines for the Zbee TLV (R23+)

 * Copyright 2021 DSR Corporation, http://dsr-wireless.com/

 *

 * 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/expert.h>

#include <epan/packet.h>

#include <epan/proto_data.h>

#include "packet-ieee802154.h"

#include "packet-ieee802154.h"

#include "packet-zbee-tlv.h"

#include "packet-zbee.h"

#include "packet-zbee-nwk.h"

#include "packet-zbee-zdp.h"

#include "packet-zbee-aps.h"

#include "packet-zbee-direct.h"

#include "conversation.h"

/*-------------------------------------

 * Dissector Function Prototypes

 *-------------------------------------

 */

static int   dissect_zbee_tlv_default(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_);

static unsigned dissect_zdp_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, unsigned cmd_id);

static unsigned dissect_aps_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, void *data, unsigned cmd_id);

static unsigned dissect_nwk_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, unsigned cmd_id);

static unsigned dissect_zbd_local_tlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, unsigned offset, void* data _U_, unsigned cmd_id);

static unsigned dissect_unknown_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

//Global TLV Dissector Routines

static unsigned dissect_zbee_tlv_manufacturer_specific(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t length);

static unsigned dissect_zbee_tlv_supported_key_negotiation_methods(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_configuration_parameters(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_dev_cap_ext(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_panid_conflict_report(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_next_pan_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_next_channel_change(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_passphrase(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_router_information(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_fragmentation_parameters(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_potential_parents(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

//Local TLV Dissector Routines

static unsigned dissect_zbee_tlv_selected_key_negotiation_method(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_public_point(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t length);

static unsigned dissect_zbee_tlv_eui64(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_clear_all_bindigs_eui64(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_requested_auth_token_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_target_ieee_address(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_device_auth_level(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_chanmask(proto_tree *tree, tvbuff_t *tvb, unsigned offset, int hf_page, int hf_channel);

static unsigned dissect_zbee_tlv_ext_pan_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_short_pan_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_nwk_key(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_dev_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_nwk_addr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_join_method(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_ieee_addr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_tc_addr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_nwk_upd_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_key_seq_num(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_adm_key(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_mj_prov_lnk_key(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_mj_ieee_addr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_mj_cmd(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_nwk_channel_list(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_link_key(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_nwk_status_map(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_status_code(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_tunneling_npdu_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, unsigned offset, uint8_t length);

static unsigned dissect_zbee_tlv_key_neg_method(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbee_tlv_mac_tag(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, uint8_t mac_tag_size);

static unsigned dissect_zbee_tlv_nwk_key_seq_num(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

//Dissectors for ZB Direct

static unsigned dissect_zbd_msg_status_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbd_msg_tunneling_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbd_msg_manage_joiners_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbd_msg_join_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbd_msg_formation_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

static unsigned dissect_zbd_msg_secur_local_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset);

void proto_register_zbee_tlv(void);

void proto_reg_handoff_zbee_tlv(void);

/* Initialize Protocol and Registered fields */

static int proto_zbee_tlv;

static dissector_handle_t zigbee_aps_handle;

static dissector_handle_t zbee_nwk_handle;

static int hf_zbee_tlv_global_type;

static int hf_zbee_tlv_local_type_key_update_req_rsp;

static int hf_zbee_tlv_local_type_key_negotiation_req_rsp;

static int hf_zbee_tlv_local_type_get_auth_level_rsp;

static int hf_zbee_tlv_local_type_clear_all_bindings_req;

static int hf_zbee_tlv_local_type_req_security_get_auth_token;

static int hf_zbee_tlv_local_type_req_security_get_auth_level;

static int hf_zbee_tlv_local_type_req_security_decommission;

static int hf_zbee_tlv_local_type_req_beacon_survey;

static int hf_zbee_tlv_local_type_rsp_beacon_survey;

static int hf_zbee_tlv_local_type_req_challenge;

static int hf_zbee_tlv_local_type_rsp_challenge;

static int hf_zbee_tlv_local_type_rsp_set_configuration;

static int hf_zbee_tlv_local_type_lk_features;

static int hf_zbee_tlv_local_type_lk_features_capabilities;

static int hf_zbee_tlv_local_type_lk_features_capabilities_aps_fc_sync;

static int hf_zbee_tlv_local_type_route_req;

static int hf_zbee_tlv_local_type_route_reply;

static int hf_zbee_tlv_local_type_network_status;

static int hf_zbee_tlv_length;

static int hf_zbee_tlv_type;

static int hf_zbee_tlv_value;

static int hf_zbee_tlv_count;

static int hf_zbee_tlv_manufacturer_specific;

static int hf_zbee_tlv_local_status_count;

static int hf_zbee_tlv_local_type_id;

static int hf_zbee_tlv_local_proc_status;

static int hf_zbee_tlv_local_comm_ext_pan_id;

static int hf_zbee_tlv_local_comm_short_pan_id;

static int hf_zbee_tlv_local_comm_channel_mask;

static int hf_zbee_tlv_local_comm_channel_page;

static int hf_zbee_tlv_local_comm_channel_page_count;

static int hf_zbee_tlv_local_comm_nwk_key;

static int hf_zbee_tlv_local_comm_link_key;

static int hf_zbee_tlv_local_comm_link_key_flags;

static int hf_zbee_tlv_local_comm_link_key_flags_unique;

static int hf_zbee_tlv_local_comm_link_key_flags_provisional;

static int hf_zbee_tlv_local_comm_dev_type;

static int hf_zbee_tlv_local_comm_nwk_addr;

static int hf_zbee_tlv_local_comm_join_method;

static int hf_zbee_tlv_local_comm_tc_addr;

static int hf_zbee_tlv_local_comm_network_status_map;

static int hf_zbee_tlv_local_comm_network_status_map_joined_status;

static int hf_zbee_tlv_local_comm_network_status_map_open_status;

static int hf_zbee_tlv_network_status_map_network_type;

static int hf_zbee_tlv_local_comm_nwk_upd_id;

static int hf_zbee_tlv_local_comm_key_seq_num;

static int hf_zbee_tlv_local_comm_adm_key;

static int hf_zbee_tlv_local_comm_status_code_domain;

static int hf_zbee_tlv_local_comm_status_code_value;

static int hf_zbee_tlv_local_comm_mj_prov_lnk_key;

static int hf_zbee_tlv_local_comm_mj_ieee_addr;

static int hf_zbee_tlv_local_comm_mj_cmd;

static int hf_zbee_tlv_local_tunneling_npdu;

static int hf_zbee_tlv_local_tunneling_npdu_flags;

static int hf_zbee_tlv_local_tunneling_npdu_flags_security;

static int hf_zbee_tlv_local_tunneling_npdu_flags_reserved;

static int hf_zbee_tlv_local_tunneling_npdu_length;

static int hf_zbee_tlv_local_selected_key_method;

static int hf_zbee_tlv_local_selected_psk_secret;

static int hf_zbee_tlv_local_nwk_key_seq_num;

static int hf_zbee_tlv_local_mac_tag;

static int hf_zbee_tlv_zbd_comm_tlv;

static int hf_zbee_tlv_zbd_comm_mj_cmd_tlv;

static int hf_zbee_tlv_zbd_secur_tlv;

static int hf_zbee_tlv_zbd_tunneling_npdu_msg_tlv;

static int hf_zbee_tlv_next_pan_id;

static int hf_zbee_tlv_next_channel_change;

static int hf_zbee_tlv_passphrase;

static int hf_zbee_tlv_configuration_param;

static int hf_zbee_tlv_configuration_param_restricted_mode;

static int hf_zbee_tlv_configuration_param_link_key_enc;

static int hf_zbee_tlv_configuration_param_leave_req_allowed;

static int hf_zbee_tlv_dev_cap_ext_capability_information;

static int hf_zbee_tlv_dev_cap_ext_zbdirect_virt_device;

static int hf_zbee_tlv_challenge_value;

static int hf_zbee_tlv_aps_frame_counter;

static int hf_zbee_tlv_challenge_counter;

static int hf_zbee_tlv_mic64;

static int hf_zbee_tlv_lqa;

static int hf_zbee_tlv_router_information;

static int hf_zbee_tlv_router_information_hub_connectivity;

static int hf_zbee_tlv_router_information_uptime;

static int hf_zbee_tlv_router_information_pref_parent;

static int hf_zbee_tlv_router_information_battery_backup;

static int hf_zbee_tlv_router_information_enhanced_beacon_request_support;

static int hf_zbee_tlv_router_information_mac_data_poll_keepalive_support;

static int hf_zbee_tlv_router_information_end_device_keepalive_support;

static int hf_zbee_tlv_router_information_power_negotiation_support;

static int hf_zbee_tlv_node_id;

static int hf_zbee_tlv_frag_opt;

static int hf_zbee_tlv_max_reassembled_buf_size;

static int hf_zbee_tlv_supported_key_negotiation_methods;

static int hf_zbee_tlv_supported_key_negotiation_methods_key_request;

static int hf_zbee_tlv_supported_key_negotiation_methods_ecdhe_using_curve25519_aes_mmo128;

static int hf_zbee_tlv_supported_key_negotiation_methods_ecdhe_using_curve25519_sha256;

static int hf_zbee_tlv_supported_secrets;

static int hf_zbee_tlv_supported_preshared_secrets_auth_token;

static int hf_zbee_tlv_supported_preshared_secrets_ic;

static int hf_zbee_tlv_supported_preshared_secrets_passcode_pake;

static int hf_zbee_tlv_supported_preshared_secrets_basic_access_key;

static int hf_zbee_tlv_supported_preshared_secrets_admin_access_key;

static int hf_zbee_tlv_panid_conflict_cnt;

static int hf_zbee_tlv_selected_key_negotiation_method;

static int hf_zbee_tlv_selected_pre_shared_secret;

static int hf_zbee_tlv_device_eui64;

static int hf_zbee_tlv_public_point;

static int hf_zbee_tlv_global_tlv_id;

static int hf_zbee_tlv_local_ieee_addr;

static int hf_zbee_tlv_local_initial_join_method;

static int hf_zbee_tlv_local_active_lk_type;

static int hf_zbee_tlv_relay_msg_type;

static int hf_zbee_tlv_relay_msg_length;

static int hf_zbee_tlv_relay_msg_joiner_ieee;

static int hf_zbee_tlv_routing_sequence_number;

static int hf_zbee_tlv_initial_radius;

static int hf_zbee_tlv_concentrator_discovery_time;

static int hf_zbee_tlv_max_source_route_length;

static int hf_zbee_tlv_nwk_addr_of_interest;

static int ett_zbee_aps_tlv;

static int ett_zbee_aps_relay;

static int ett_zbee_tlv;

static int ett_zbee_tlv_supported_key_negotiation_methods;

static int ett_zbee_tlv_supported_secrets;

static int ett_zbee_tlv_router_information;

static int ett_zbee_tlv_configuration_param;

static int ett_zbee_tlv_capability_information;

static int ett_zbee_tlv_zbd_tunneling_npdu;

static int ett_zbee_tlv_zbd_tunneling_npdu_flags;

static int ett_zbee_tlv_link_key_flags;

static int ett_zbee_tlv_network_status_map;

static int ett_zbee_tlv_lk_features_capabilities;

static expert_field ei_zbee_tlv_max_recursion_depth_reached;

/* Cached protocol identifier */

static int proto_zbee_nwk;

static const value_string zbee_tlv_local_types_key_method_str[] =

{

    { ZBEE_TLV_TYPE_KEY_ECDHE_CURVE_25519_HASH_AESMMO128, "Curve 25519 / AESMMO-128" },

    { ZBEE_TLV_TYPE_KEY_ECDHE_CURVE_25519_HASH_SHA256,    "Curve 25519 / SHA-256" },

    { ZBEE_TLV_TYPE_KEY_ECDHE_CURVE_P256_HASH_SHA256,     "P-256 / SHA-256" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_psk_secret_str[] =

{

    { ZBEE_TLV_TYPE_PSK_WELL_KNOWN_KEY,                   "Well known key" },

    { ZBEE_TLV_TYPE_PSK_SECRET_AUTH_TOKEN,                "Authorization token" },

    { ZBEE_TLV_TYPE_PSK_SECRET_INSTALL_CODE,              "Pre-configured link-ley derived from installation code" },

    { ZBEE_TLV_TYPE_PSK_SECRET_PAKE_PASSCODE,             "PAKE passcode" },

    { ZBEE_TLV_TYPE_PSK_SECRET_BASIC_ACCESS_KEY,          "Basic Access Key" },

    { ZBEE_TLV_TYPE_PSK_SECRET_ADMINISTRATIVE_ACCESS_KEY, "Administrative Access Key" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_dev_type_str[] =

{

    { ZBEE_TLV_TYPE_DEV_TYPE_ZC, "ZigBee Coordinator" },

    { ZBEE_TLV_TYPE_DEV_TYPE_ZR, "ZigBee Router" },

    { ZBEE_TLV_TYPE_DEV_TYPE_ED, "ZigBee End Device" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_join_method_str[] =

{

    { ZBEE_TLV_TYPE_JOIN_METHOD_MAC_ASS,           "MAC association" },

    { ZBEE_TLV_TYPE_JOIN_METHOD_NWK_REJ,           "NWK rejoin" },

    { ZBEE_TLV_TYPE_JOIN_METHOD_OOB_WITH_CHECK,    "Out-of-band commissioning (with check for nearby IEEE 802.15.4 beacons)" },

    { ZBEE_TLV_TYPE_JOIN_METHOD_OOB_WITHOUT_CHECK, "Out-of-band commissioning (without check for nearby IEEE 802.15.4 beacons)" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_status_code_domain_str[] =

{

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_GENERAL,         "General domain or unspecific operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_FORM,            "Form Network Operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_JOIN,            "Join Network Operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_PERMIT_JOIN,     "Permit Joining Operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_LEAVE,           "Leave Network Operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_MANAGE_JOINERS,  "Manage Joiners Domain" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_IDENTIFY,        "Identify Operation" },

    { ZBEE_TLV_TYPE_ZBD_STATUS_DOMAIN_FINDING_BINDING, "Finding & Binding Domain" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_joined_status_str[] =

{

    { ZBEE_TLV_TYPE_JOINED_STATUS_NO_NWK,           "No network" },

    { ZBEE_TLV_TYPE_JOINED_STATUS_JOINING,          "Joining" },

    { ZBEE_TLV_TYPE_JOINED_STATUS_JOINED,           "Joined" },

    { ZBEE_TLV_TYPE_JOINED_STATUS_JOINED_NO_PARENT, "Joined (no parent)" },

    { ZBEE_TLV_TYPE_JOINED_STATUS_LEAVING,          "Leaving" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_nwk_type_str[] =

{

    { ZBEE_TLV_NWK_TYPE_DISTRIBUTED, "Distributed" },

    { ZBEE_TLV_NWK_TYPE_CENTRALIZED, "Centralized" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_nwk_state_str[] =

{

    { ZBEE_TLV_TYPE_NWK_STATE_CLOSED, "Closed" },

    { ZBEE_TLV_TYPE_NWK_STATE_OPENED, "Opened" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_mj_cmd_str[] =

{

    { ZBEE_TLV_TYPE_MANAGE_JOINERS_CMD_DROP,   "Drop all joiners' Provisional Link Keys" },

    { ZBEE_TLV_TYPE_MANAGE_JOINERS_CMD_ADD,    "Add a joiner's Provisional Link Key" },

    { ZBEE_TLV_TYPE_MANAGE_JOINERS_CMD_REMOVE, "Remove a joiner's Provisional Link Key" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_lnk_key_unique_str[] =

{

    { ZBEE_TLV_TYPE_LINK_KEY_FLAG_GLOBAL, "Global" },

    { ZBEE_TLV_TYPE_LINK_KEY_FLAG_UNIQUE, "Unique" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_lnk_key_provisional_str[] =

{

    { ZBEE_TLV_TYPE_LINK_KEY_FLAG_PERMANENT,   "Permanent" },

    { ZBEE_TLV_TYPE_LINK_KEY_FLAG_PROVISIONAL, "Provisional" },

    { 0, NULL }

};

static const value_string zbee_tlv_zbd_comm_types[] = {

    { ZBEE_TLV_TYPE_COMM_EXT_PAN_ID,      "Extended PAN ID" },

    { ZBEE_TLV_TYPE_COMM_SHORT_PAN_ID,    "Short PAN ID" },

    { ZBEE_TLV_TYPE_COMM_NWK_CH,          "Network Channel" },

    { ZBEE_TLV_TYPE_COMM_NWK_KEY,         "Network Key" },

    { ZBEE_TLV_TYPE_COMM_LNK_KEY,         "Link Key" },

    { ZBEE_TLV_TYPE_COMM_DEV_TYPE,        "Device Type" },

    { ZBEE_TLV_TYPE_COMM_NWK_ADDR,        "NWK Address" },

    { ZBEE_TLV_TYPE_COMM_JOIN_METHOD,     "Joining Method" },

    { ZBEE_TLV_TYPE_COMM_IEEE_ADDR,       "IEEE Address" },

    { ZBEE_TLV_TYPE_COMM_TC_ADDR,         "Trust Center Address" },

    { ZBEE_TLV_TYPE_COMM_NWK_STATUS_MAP,  "Network Status Map" },

    { ZBEE_TLV_TYPE_COMM_NWK_UPD_ID,      "NWK Update ID" },

    { ZBEE_TLV_TYPE_COMM_KEY_SEQ_NUM,     "NWK Active Key Seq Number" },

    { ZBEE_TLV_TYPE_COMM_ADMIN_KEY,       "Admin Key" },

    { ZBEE_TLV_TYPE_COMM_STATUS_CODE,     "Status Code" },

    // TODO: Not implemented yet

    // { 0x0f,                                      "Extended Status Code" },

    { 0, NULL }

};

static const value_string zbee_tlv_zbd_comm_mj_types[] = {

    { ZBEE_TLV_TYPE_COMM_MJ_PROVISIONAL_LINK_KEY,  "Provisional Link" },

    { ZBEE_TLV_TYPE_COMM_MJ_IEEE_ADDR,             "IEEE Address" },

    { ZBEE_TLV_TYPE_COMM_MJ_CMD,                   "Manage Joiners Command" },

    // 0x03-0xff - Reserved

    { 0, NULL }

};

static const value_string zbee_tlv_zbd_secur_types[] = {

    { ZBEE_TLV_TYPE_KEY_METHOD,        "ZBD Key Negotiation Method TLV" },

    { ZBEE_TLV_TYPE_PUB_POINT_P256,    "ZBD Key Negotiation P-256 Public Point TLV" },

    { ZBEE_TLV_TYPE_PUB_POINT_C25519,  "ZBD Key Negotiation Curve25519 Public Point TLV" },

    { ZBEE_TLV_TYPE_NWK_KEY_SEQ_NUM,   "Network KeySequence Number TLV" },

    { ZBEE_TLV_TYPE_MAC_TAG,           "MacTag Tlv" },

    { 0, NULL }

};

static const value_string zbee_aps_relay_tlvs[] = {

    { 0,          "Relay Message TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_global_types[] = {

    { ZBEE_TLV_TYPE_MANUFACTURER_SPECIFIC,                "Manufacturer Specific Global TLV" },

    { ZBEE_TLV_TYPE_SUPPORTED_KEY_NEGOTIATION_METHODS,    "Supported Key Negotiation Methods Global TLV" },

    { ZBEE_TLV_TYPE_PANID_CONFLICT_REPORT,                "PAN ID Conflict Report Global TLV"},

    { ZBEE_TLV_TYPE_NEXT_PAN_ID,                          "Next PAN ID Global TLV" },

    { ZBEE_TLV_TYPE_NEXT_CHANNEL_CHANGE,                  "Next Channel Change Global TLV" },

    { ZBEE_TLV_TYPE_PASSPHRASE,                           "Passphrase Global TLV" },

    { ZBEE_TLV_TYPE_ROUTER_INFORMATION,                   "Router Information Global TLV" },

    { ZBEE_TLV_TYPE_FRAGMENTATION_PARAMETERS,             "Fragmentation Parameters Global TLV" },

    { ZBEE_TLV_TYPE_JOINER_ENCAPSULATION_GLOBAL,          "Joiner Encapsulation Global TLV" },

    { ZBEE_TLV_TYPE_BEACON_APPENDIX_ENCAPSULATION_GLOBAL, "Beacon Appendix Encapsulation Global TLV" },

    { ZBEE_TLV_TYPE_CONFIGURATION_MODE_PARAMETERS,        "Configuration Mode Parameters Global TLV" },

    { ZBEE_TLV_TYPE_DEVICE_CAPABILITY_EXTENSION,          "Device Capability Extension Global TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_key_update_req_rsp[] = {

    { ZBEE_TLV_TYPE_KEY_UPD_REQ_SELECTED_KEY_NEGOTIATION_METHOD,   "Selected Key Negotiations Method Local TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_key_negotiation_req_rsp[] = {

    { ZBEE_TLV_TYPE_KEY_NEG_REQ_CURVE25519_PUBLIC_POINT,           "Curve25519 Public Point Local TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_get_auth_level_rsp[] = {

    { ZBEE_TLV_TYPE_GET_AUTH_LEVEL,                    "Device Authentication Level TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_clear_all_bindings_req[] = {

    { ZBEE_TLV_TYPE_CLEAR_ALL_BINDIGS_REQ_EUI64,       "Clear All Bindings Req EUI64 TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_req_security_get_auth_token[] = {

    { ZBEE_TLV_TYPE_REQUESTED_AUTH_TOKEN_ID,           "Requested Authentication Token ID TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_req_security_get_auth_level[] = {

    { ZBEE_TLV_TYPE_TARGET_IEEE_ADDRESS,               "Target IEEE Address TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_req_security_decommission[] = {

    { ZBEE_TLV_TYPE_EUI64,                             "EUI64 TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_req_beacon_survey[] = {

    { ZBEE_TLV_TYPE_BEACON_SURVEY_CONFIGURATION,       "Beacon Survey Configuration TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_req_challenge[] = {

    { 0,       "APS Frame Counter Challenge Request TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_rsp_challenge[] = {

    { 0,       "APS Frame Counter Challenge Response TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_rsp_set_configuration[] = {

    { 0,       "Processing status TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_route_req[] = {

    { ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO,       "Extended Route Information TLV" },

    { ZBEE_TLV_TYPE_CONCENTRATOR_INFO,         "Concentrator Information TLV" },

    { ZBEE_TLV_TYPE_SOURCE_ROUTE_SOLICIT_INFO, "Source Route Solicitation TLV"},

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_route_reply[] = {

    { ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO,       "Extended Route Information TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_network_status[] = {

    { ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO,       "Extended Route Information TLV" },

    { 0, NULL }

};

static const value_string zbee_tlv_local_types_rsp_beacon_survey[] = {

    { ZBEE_TLV_TYPE_BEACON_SURVEY_CONFIGURATION,       "Beacon Survey Configuration TLV" },

    { ZBEE_TLV_TYPE_BEACON_SURVEY_RESULTS,             "Beacon Survey Results TLV" },

    { ZBEE_TLV_TYPE_BEACON_SURVEY_POTENTIAL_PARENTS,   "Beacon Survey Potential Parents TLV"},

    { 0, NULL }

};

static const value_string zbee_tlv_selected_key_negotiation_method[] = {

    { ZBEE_TLV_SELECTED_KEY_NEGOTIATION_METHODS_ZB_30,                             "Zigbee 3.0" },

    { ZBEE_TLV_SELECTED_KEY_NEGOTIATION_METHODS_ECDHE_USING_CURVE25519_AES_MMO128, "ECDHE using Curve25519 with Hash AES-MMO-128" },

    { ZBEE_TLV_SELECTED_KEY_NEGOTIATION_METHODS_ECDHE_USING_CURVE25519_SHA256,     "ECDHE using Curve25519 with Hash SHA-256" },

    { 0, NULL }

};

static const value_string zbee_tlv_selected_pre_shared_secret[] = {

    { ZBEE_TLV_SELECTED_PRE_SHARED_WELL_KNOWN_KEY,            "Well Known Key" },

    { ZBEE_TLV_SELECTED_PRE_SHARED_SECRET_AUTH_TOKEN,         "Symmetric Authentication Token" },

    { ZBEE_TLV_SELECTED_PRE_SHARED_SECRET_LINK_KEY_IC,        "Pre-configured link-ley derived from installation code" },

    { ZBEE_TLV_SELECTED_PRE_SHARED_SECRET_VLEN_PASSCODE,      "Variable-length pass code" },

    { ZBEE_TLV_SELECTED_PRE_SHARED_SECRET_BASIC_ACCESS_KEY,   "Basic Access Key" },

    { ZBEE_TLV_SELECTED_PRE_SHARED_SECRET_ADMIN_ACCESS_KEY,   "Administrative Access Key" },

    { 0, NULL }

};

static const value_string zbee_initial_join_methods[] = {

    { 0x00, "No authentication" },

    { 0x01, "Install Code Key" },

    { 0x02, "Anonymous key negotiation" },

    { 0x03, "Authentication Key Negotiation" },

    { 0, NULL }

};

static const value_string zbee_active_lk_types[] = {

    { 0x00, "Not Updated" },

    { 0x01, "Key Request Method" },

    { 0x02, "Unauthentication Key Negotiation" },

    { 0x03, "Authentication Key Negotiation" },

    { 0x04, "Application Defined Certificate Based Mutual" },

    { 0, NULL }

};

static unsigned

dissect_aps_relay_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, void *data)

{

  tvbuff_t    *relay_tvb;

  proto_item  *relayed_frame_root;

  proto_tree  *relayed_frame_tree;

  uint8_t     length;

  zbee_nwk_hints_t *nwk_hints;

  zigbee_aps_handle = find_dissector("zbee_aps");

  proto_tree_add_item(tree, hf_zbee_tlv_relay_msg_type, tvb, offset, 1, ENC_NA);

  offset += 1;

  length = tvb_get_uint8(tvb, offset) + 1;

  proto_tree_add_item(tree, hf_zbee_tlv_relay_msg_length, tvb, offset, 1, ENC_NA);

  offset += 1;

  proto_tree_add_item(tree, hf_zbee_tlv_relay_msg_joiner_ieee, tvb, offset, 8, ENC_LITTLE_ENDIAN);

  nwk_hints = (zbee_nwk_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo, proto_zbee_nwk, 0);

  nwk_hints->joiner_addr64 = tvb_get_letoh64(tvb, offset);

  offset += 8;

  /* The remainder is a relayed APS frame. */

  relay_tvb = tvb_new_subset_remaining(tvb, offset);

  relayed_frame_tree = proto_tree_add_subtree_format(tree, tvb, offset, length - 8, ett_zbee_aps_relay, &relayed_frame_root,

          "Relayed APS Frame");

  call_dissector_with_data(zigbee_aps_handle, relay_tvb, pinfo, relayed_frame_tree, data);

  /* Add column info */

  col_append_str(pinfo->cinfo, COL_INFO, ", Relay");

  return tvb_captured_length(tvb);

}

/**

 *Dissector for Link-Key Features & Capabilities TLV

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to data tree Wireshark uses to display packet.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

 */

static unsigned

dissect_lk_features_capabilities_tlv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    static int * const features_capabilities_flags[] = {

        &hf_zbee_tlv_local_type_lk_features_capabilities_aps_fc_sync,

        NULL

    };

    /* Type */

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_lk_features_capabilities, tvb, offset, 1, ENC_NA);

    offset += 1;

    /* Length */

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    /* Features and Capabilities bitmask. */

    proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_tlv_local_type_lk_features,

        ett_zbee_tlv_lk_features_capabilities, features_capabilities_flags, ENC_NA);

    offset += 1;

    return offset;

}

static unsigned

dissect_aps_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, void *data, unsigned cmd_id)

{

    switch (cmd_id) {

        case ZBEE_APS_CMD_RELAY_MSG_UPSTREAM:

        /* fallthrough */

        case ZBEE_APS_CMD_RELAY_MSG_DOWNSTREAM:

        {

            zbee_nwk_hints_t *nwk_hints  = (zbee_nwk_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo, proto_zbee_nwk, 0);

            nwk_hints->relay_type = (cmd_id == ZBEE_APS_CMD_RELAY_MSG_DOWNSTREAM ? ZBEE_APS_RELAY_DOWNSTREAM : ZBEE_APS_RELAY_UPSTREAM);

            offset = dissect_aps_relay_local_tlv(tvb, pinfo, tree, offset, data);

            break;

        }

        case ZBEE_APS_CMD_TRANSPORT_KEY:

        {

            offset = dissect_lk_features_capabilities_tlv(tvb, pinfo, tree, offset);

            break;

        }

        default:

        {

            offset = dissect_unknown_tlv(tvb, pinfo, tree, offset);

            break;

        }

    }

    return offset;

}

/**

 *Dissector for Route Request Extended Route Information TLV

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to data tree Wireshark uses to display packet.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

 */

static unsigned

dissect_zbee_tlv_route_req_extended_route_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    proto_tree_add_item(tree, hf_zbee_tlv_routing_sequence_number, tvb, offset, 2, ENC_LITTLE_ENDIAN);

    offset += 2;

    proto_tree_add_item(tree, hf_zbee_tlv_initial_radius, tvb, offset, 1, ENC_NA);

    offset += 1;

    return offset;

}

/**

 *Dissector for Route Request Concentrator Information TLV

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to data tree Wireshark uses to display packet.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

 */

static unsigned

dissect_zbee_tlv_concentrator_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    proto_tree_add_item(tree, hf_zbee_tlv_concentrator_discovery_time, tvb, offset, 1, ENC_NA);

    offset += 1;

    proto_tree_add_item(tree, hf_zbee_tlv_max_source_route_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    return offset;

}

/**

 *Dissector for Route Request Source Route Solicitation TLV

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to data tree Wireshark uses to display packet.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

 */

static unsigned

dissect_zbee_tlv_source_route_solicit(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int length, unsigned offset)

{

    uint8_t i;

    uint8_t addr_count = length / 2U;

    for (i = 0; i < (addr_count); i++)

    {

        proto_tree_add_item(tree, hf_zbee_tlv_nwk_addr_of_interest, tvb, offset, 2, ENC_LITTLE_ENDIAN);

        offset += 2;

    }

    return offset;

}

static unsigned

dissect_nwk_route_req_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_route_req, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO:

            offset = dissect_zbee_tlv_route_req_extended_route_info(tvb, pinfo, tree, offset);

            break;

        case ZBEE_TLV_TYPE_CONCENTRATOR_INFO:

            offset = dissect_zbee_tlv_concentrator_info(tvb, pinfo, tree, offset);

            break;

        case ZBEE_TLV_TYPE_SOURCE_ROUTE_SOLICIT_INFO:

            offset = dissect_zbee_tlv_source_route_solicit(tvb, pinfo, tree, length, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/**

 *Dissector for Extended Route Information TLV

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to data tree Wireshark uses to display packet.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

 */

static unsigned

dissect_zbee_tlv_extended_route_info(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    proto_tree_add_item(tree, hf_zbee_tlv_routing_sequence_number, tvb, offset, 2, ENC_LITTLE_ENDIAN);

    offset += 2;

    return offset;

}

static unsigned

dissect_nwk_route_reply_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_route_reply, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO:

            offset = dissect_zbee_tlv_extended_route_info(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

static unsigned

dissect_nwk_status_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_network_status, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_EXTENDED_ROUTE_INFO:

            offset = dissect_zbee_tlv_extended_route_info(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

static unsigned

dissect_nwk_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset, unsigned cmd_id)

{

    switch (cmd_id) {

        case ZBEE_NWK_CMD_ROUTE_REQ:

            offset = dissect_nwk_route_req_local_tlv(tvb, pinfo, tree, offset);

            break;

        case ZBEE_NWK_CMD_ROUTE_REPLY:

            offset = dissect_nwk_route_reply_local_tlv(tvb, pinfo, tree, offset);

            break;

        case ZBEE_NWK_CMD_NWK_STATUS:

            offset = dissect_nwk_status_local_tlv(tvb, pinfo, tree, offset);

            break;

        default:

            offset = dissect_unknown_tlv(tvb, pinfo, tree, offset);

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Security Decommission Request.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_req_security_decommission_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    proto_tree_add_item_ret_uint8(tree, hf_zbee_tlv_local_type_req_security_decommission, tvb, offset, 1, ENC_NA, &type);

    offset += 1;

    proto_tree_add_item_ret_uint8(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA, &length);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_EUI64:

            offset = dissect_zbee_tlv_eui64(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Security Get Authentication Level Request.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_req_security_get_auth_level_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_req_security_get_auth_level, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_TARGET_IEEE_ADDRESS:

            offset = dissect_zbee_tlv_target_ieee_address(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Security Get Authentication Token Request.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_req_security_get_auth_token_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_req_security_get_auth_token, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_REQUESTED_AUTH_TOKEN_ID:

            offset = dissect_zbee_tlv_requested_auth_token_id(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Clear All Bindings Request.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_req_clear_all_bindings_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_clear_all_bindings_req, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_CLEAR_ALL_BINDIGS_REQ_EUI64:

            offset = dissect_zbee_tlv_clear_all_bindigs_eui64(tvb, pinfo, tree, offset);

            break;

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Beacon Survey Request.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_req_beacon_survey_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_req_beacon_survey, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_BEACON_SURVEY_CONFIGURATION:

        {

            uint8_t cnt;

            uint8_t i;

            cnt = tvb_get_uint8(tvb, offset);

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_scan_mask_cnt, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            for (i = 0; i < cnt; i++)

            {

              proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_scan_mask, tvb, offset, 4, ENC_LITTLE_ENDIAN);

              offset += 4;

            }

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_conf_mask, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            break;

        }

        default:

            proto_tree_add_item(tree, hf_zbee_tlv_value, tvb, offset, length, ENC_NA);

            offset += length;

            break;

    }

    return offset;

}

/*

 *Helper dissector for the Beacon Survey Response.

 *

 *@param tvb pointer to buffer containing raw packet.

 *@param pinfo pointer to packet information fields

 *@param tree pointer to the command subtree.

 *@param  offset into the tvb to begin dissection.

 *@return offset after command dissection.

*/

static unsigned

dissect_zdp_rsp_beacon_survey_local_tlv (tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, unsigned offset)

{

    uint8_t type;

    uint8_t length;

    type = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_local_type_rsp_beacon_survey, tvb, offset, 1, ENC_NA);

    offset += 1;

    length = tvb_get_uint8(tvb, offset);

    proto_tree_add_item(tree, hf_zbee_tlv_length, tvb, offset, 1, ENC_NA);

    offset += 1;

    length += 1;

    switch (type) {

        case ZBEE_TLV_TYPE_BEACON_SURVEY_CONFIGURATION:

        {

            uint8_t cnt;

            uint8_t i;

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_conf_mask, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            cnt = tvb_get_uint8(tvb, offset);

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_scan_mask_cnt, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            for (i = 0; i < cnt; i++)

            {

              proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_scan_mask, tvb, offset, 4, ENC_LITTLE_ENDIAN);

              offset += 4;

            }

            break;

        }

        case ZBEE_TLV_TYPE_BEACON_SURVEY_RESULTS:

        {

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_total, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_cur_zbn, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_cur_zbn_potent_parents, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            proto_tree_add_item(tree, hf_zbee_zdp_beacon_survey_other_zbn, tvb, offset, 1, ENC_LITTLE_ENDIAN);

            offset += 1;

            break;

        }