wireshark/epan/dissectors/packet-zbee-nwk.c

2424 lines
98 KiB
C

/* packet-zbee-nwk.c
* Dissector routines for the ZigBee Network Layer (NWK)
* By Owen Kirby <osk@exegin.com>
* Copyright 2009 Exegin Technologies Limited
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* Include Files */
#include "config.h"
#include <epan/packet.h>
#include <epan/exceptions.h>
#include <epan/prefs.h>
#include <epan/addr_resolv.h>
#include <epan/address_types.h>
#include <epan/expert.h>
#include <epan/proto_data.h>
#include <epan/conversation_table.h>
#include <epan/conversation_filter.h>
#include <epan/tap.h>
#include <wsutil/bits_ctz.h> /* for ws_ctz */
#include <wsutil/pint.h>
#include "packet-ieee802154.h"
#include "packet-zbee.h"
#include "packet-zbee-nwk.h"
#include "packet-zbee-aps.h" /* for ZBEE_APS_CMD_KEY_LENGTH */
#include "packet-zbee-security.h"
/*************************/
/* Function Declarations */
/*************************/
/* Dissector Routines */
static int dissect_zbee_nwk (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data);
static void dissect_zbee_nwk_cmd (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet* packet);
static int dissect_zbee_beacon (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data);
static int dissect_zbip_beacon (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data);
static int dissect_zbee_ie (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data);
static void dissect_ieee802154_zigbee_rejoin(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint *offset);
static void dissect_ieee802154_zigbee_txpower(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint *offset);
/* Command Dissector Helpers */
static guint dissect_zbee_nwk_route_req (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
zbee_nwk_packet * packet, guint offset);
static guint dissect_zbee_nwk_route_rep (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset, guint8 version);
static guint dissect_zbee_nwk_status (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_leave (tvbuff_t *tvb, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_route_rec (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
zbee_nwk_packet * packet, guint offset);
static guint dissect_zbee_nwk_rejoin_req (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
zbee_nwk_packet * packet, guint offset);
static guint dissect_zbee_nwk_rejoin_resp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
zbee_nwk_packet * packet, guint offset);
static guint dissect_zbee_nwk_link_status(tvbuff_t *tvb, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_report (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_update (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_ed_timeout_request(tvbuff_t *tvb, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_ed_timeout_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset);
static guint dissect_zbee_nwk_link_pwr_delta(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset);
static void proto_init_zbee_nwk (void);
static void proto_cleanup_zbee_nwk(void);
void proto_register_zbee_nwk(void);
void proto_reg_handoff_zbee_nwk(void);
/********************/
/* Global Variables */
/********************/
static int proto_zbee_nwk = -1;
static int proto_zbee_beacon = -1;
static int proto_zbip_beacon = -1;
static int proto_zbee_ie = -1;
static int hf_zbee_nwk_fcf = -1;
static int hf_zbee_nwk_frame_type = -1;
static int hf_zbee_nwk_proto_version = -1;
static int hf_zbee_nwk_discover_route = -1;
static int hf_zbee_nwk_multicast = -1;
static int hf_zbee_nwk_security = -1;
static int hf_zbee_nwk_source_route = -1;
static int hf_zbee_nwk_ext_dst = -1;
static int hf_zbee_nwk_ext_src = -1;
static int hf_zbee_nwk_end_device_initiator = -1;
static int hf_zbee_nwk_dst = -1;
static int hf_zbee_nwk_src = -1;
static int hf_zbee_nwk_addr = -1;
static int hf_zbee_nwk_radius = -1;
static int hf_zbee_nwk_seqno = -1;
static int hf_zbee_nwk_mcast = -1;
static int hf_zbee_nwk_mcast_mode = -1;
static int hf_zbee_nwk_mcast_radius = -1;
static int hf_zbee_nwk_mcast_max_radius = -1;
static int hf_zbee_nwk_dst64 = -1;
static int hf_zbee_nwk_src64 = -1;
static int hf_zbee_nwk_addr64 = -1;
static int hf_zbee_nwk_src64_origin = -1;
static int hf_zbee_nwk_relay_count = -1;
static int hf_zbee_nwk_relay_index = -1;
static int hf_zbee_nwk_relay = -1;
static int hf_zbee_nwk_cmd_id = -1;
static int hf_zbee_nwk_cmd_addr = -1;
static int hf_zbee_nwk_cmd_route_id = -1;
static int hf_zbee_nwk_cmd_route_dest = -1;
static int hf_zbee_nwk_cmd_route_orig = -1;
static int hf_zbee_nwk_cmd_route_resp = -1;
static int hf_zbee_nwk_cmd_route_dest_ext = -1;
static int hf_zbee_nwk_cmd_route_orig_ext = -1;
static int hf_zbee_nwk_cmd_route_resp_ext = -1;
static int hf_zbee_nwk_cmd_route_cost = -1;
static int hf_zbee_nwk_cmd_route_options = -1;
static int hf_zbee_nwk_cmd_route_opt_repair = -1;
static int hf_zbee_nwk_cmd_route_opt_multicast = -1;
static int hf_zbee_nwk_cmd_route_opt_dest_ext = -1;
static int hf_zbee_nwk_cmd_route_opt_resp_ext = -1;
static int hf_zbee_nwk_cmd_route_opt_orig_ext = -1;
static int hf_zbee_nwk_cmd_route_opt_many_to_one = -1;
static int hf_zbee_nwk_cmd_nwk_status = -1;
static int hf_zbee_nwk_cmd_nwk_status_command_id = -1;
static int hf_zbee_nwk_cmd_leave_rejoin = -1;
static int hf_zbee_nwk_cmd_leave_request = -1;
static int hf_zbee_nwk_cmd_leave_children = -1;
static int hf_zbee_nwk_cmd_relay_count = -1;
static int hf_zbee_nwk_cmd_relay_device = -1;
static int hf_zbee_nwk_cmd_cinfo = -1;
static int hf_zbee_nwk_cmd_cinfo_alt_coord = -1;
static int hf_zbee_nwk_cmd_cinfo_type = -1;
static int hf_zbee_nwk_cmd_cinfo_power = -1;
static int hf_zbee_nwk_cmd_cinfo_idle_rx = -1;
static int hf_zbee_nwk_cmd_cinfo_security = -1;
static int hf_zbee_nwk_cmd_cinfo_alloc = -1;
static int hf_zbee_nwk_cmd_rejoin_status = -1;
static int hf_zbee_nwk_cmd_link_last = -1;
static int hf_zbee_nwk_cmd_link_first = -1;
static int hf_zbee_nwk_cmd_link_count = -1;
static int hf_zbee_nwk_cmd_link_address = -1;
static int hf_zbee_nwk_cmd_link_incoming_cost = -1;
static int hf_zbee_nwk_cmd_link_outgoing_cost = -1;
static int hf_zbee_nwk_cmd_report_type = -1;
static int hf_zbee_nwk_cmd_report_count = -1;
static int hf_zbee_nwk_cmd_update_type = -1;
static int hf_zbee_nwk_cmd_update_count = -1;
static int hf_zbee_nwk_cmd_update_id = -1;
static int hf_zbee_nwk_panid = -1;
static int hf_zbee_zboss_nwk_cmd_key = -1;
static int hf_zbee_nwk_cmd_epid = -1;
static int hf_zbee_nwk_cmd_end_device_timeout_request_enum = -1;
static int hf_zbee_nwk_cmd_end_device_configuration = -1;
static int hf_zbee_nwk_cmd_end_device_timeout_resp_status = -1;
static int hf_zbee_nwk_cmd_end_device_timeout_resp_parent_info = -1;
static int hf_zbee_nwk_cmd_prnt_info_mac_data_poll_keepalive_supported = -1;
static int hf_zbee_nwk_cmd_prnt_info_ed_to_req_keepalive_supported = -1;
static int hf_zbee_nwk_cmd_prnt_info_power_negotiation_supported = -1;
static int hf_zbee_nwk_cmd_link_pwr_list_count = -1;
static int hf_zbee_nwk_cmd_link_pwr_type = -1;
static int hf_zbee_nwk_cmd_link_pwr_device_address = -1;
static int hf_zbee_nwk_cmd_link_pwr_power_delta = -1;
/* ZigBee Beacons */
static int hf_zbee_beacon_protocol = -1;
static int hf_zbee_beacon_stack_profile = -1;
static int hf_zbee_beacon_version = -1;
static int hf_zbee_beacon_router_capacity = -1;
static int hf_zbee_beacon_depth = -1;
static int hf_zbee_beacon_end_device_capacity = -1;
static int hf_zbee_beacon_epid = -1;
static int hf_zbee_beacon_tx_offset = -1;
static int hf_zbee_beacon_update_id = -1;
static int hf_zbip_beacon_allow_join = -1;
static int hf_zbip_beacon_router_capacity = -1;
static int hf_zbip_beacon_host_capacity = -1;
static int hf_zbip_beacon_unsecure = -1;
static int hf_zbip_beacon_network_id = -1;
/* IEEE 802.15.4 IEs (Information Elements) */
static int hf_ieee802154_zigbee_ie = -1;
static int hf_ieee802154_zigbee_ie_id = -1;
static int hf_ieee802154_zigbee_ie_length = -1;
static int hf_ieee802154_zigbee_ie_tx_power = -1;
static int hf_ieee802154_zigbee_ie_source_addr = -1;
static int hf_ieee802154_zigbee_rejoin_epid = -1;
static int hf_ieee802154_zigbee_rejoin_source_addr = -1;
static gint ett_zbee_nwk = -1;
static gint ett_zbee_nwk_beacon = -1;
static gint ett_zbee_nwk_fcf = -1;
static gint ett_zbee_nwk_fcf_ext = -1;
static gint ett_zbee_nwk_mcast = -1;
static gint ett_zbee_nwk_route = -1;
static gint ett_zbee_nwk_cmd = -1;
static gint ett_zbee_nwk_cmd_options = -1;
static gint ett_zbee_nwk_cmd_cinfo = -1;
static gint ett_zbee_nwk_cmd_link = -1;
static gint ett_zbee_nwk_cmd_ed_to_rsp_prnt_info = -1;
static gint ett_zbee_nwk_cmd_link_pwr_struct = -1;
static gint ett_zbee_nwk_zigbee_ie_fields = -1;
static gint ett_zbee_nwk_ie_rejoin = -1;
static gint ett_zbee_nwk_header = -1;
static gint ett_zbee_nwk_header_ie = -1;
static gint ett_zbee_nwk_beacon_bitfield = -1;
static expert_field ei_zbee_nwk_missing_payload = EI_INIT;
static dissector_handle_t aps_handle;
static dissector_handle_t zbee_gp_handle;
static int zbee_nwk_address_type = -1;
static int zbee_nwk_tap = -1;
/********************/
/* Field Names */
/********************/
/* Frame Types */
static const value_string zbee_nwk_frame_types[] = {
{ ZBEE_NWK_FCF_DATA, "Data" },
{ ZBEE_NWK_FCF_CMD, "Command" },
{ ZBEE_NWK_FCF_INTERPAN,"Interpan" },
{ 0, NULL }
};
/* Route Discovery Modes */
static const value_string zbee_nwk_discovery_modes[] = {
{ ZBEE_NWK_FCF_DISCOVERY_SUPPRESS, "Suppress" },
{ ZBEE_NWK_FCF_DISCOVERY_ENABLE, "Enable" },
{ ZBEE_NWK_FCF_DISCOVERY_FORCE, "Force" },
{ 0, NULL }
};
/* Command Names*/
static const value_string zbee_nwk_cmd_names[] = {
{ ZBEE_NWK_CMD_ROUTE_REQ, "Route Request" },
{ ZBEE_NWK_CMD_ROUTE_REPLY, "Route Reply" },
{ ZBEE_NWK_CMD_NWK_STATUS, "Network Status" },
{ ZBEE_NWK_CMD_LEAVE, "Leave" },
{ ZBEE_NWK_CMD_ROUTE_RECORD, "Route Record" },
{ ZBEE_NWK_CMD_REJOIN_REQ, "Rejoin Request" },
{ ZBEE_NWK_CMD_REJOIN_RESP, "Rejoin Response" },
{ ZBEE_NWK_CMD_LINK_STATUS, "Link Status" },
{ ZBEE_NWK_CMD_NWK_REPORT, "Network Report" },
{ ZBEE_NWK_CMD_NWK_UPDATE, "Network Update" },
{ ZBEE_NWK_CMD_ED_TIMEOUT_REQUEST, "End Device Timeout Request" },
{ ZBEE_NWK_CMD_ED_TIMEOUT_RESPONSE, "End Device Timeout Response" },
{ ZBEE_NWK_CMD_LINK_PWR_DELTA, "Link Power Delta" },
{ 0, NULL }
};
/* Many-To-One Route Discovery Modes. */
static const value_string zbee_nwk_cmd_route_many_modes[] = {
{ ZBEE_NWK_CMD_ROUTE_OPTION_MANY_NONE, "Not Many-to-One" },
{ ZBEE_NWK_CMD_ROUTE_OPTION_MANY_REC, "With Source Routing" },
{ ZBEE_NWK_CMD_ROUTE_OPTION_MANY_NOREC, "Without Source Routing" },
{ 0, NULL }
};
/* Rejoin Status Codes */
static const value_string zbee_nwk_rejoin_codes[] = {
{ IEEE802154_CMD_ASRSP_AS_SUCCESS, "Success" },
{ IEEE802154_CMD_ASRSP_PAN_FULL, "PAN Full" },
{ IEEE802154_CMD_ASRSP_PAN_DENIED, "PAN Access Denied" },
{ 0, NULL }
};
/* Network Report Types */
static const value_string zbee_nwk_report_types[] = {
{ ZBEE_NWK_CMD_NWK_REPORT_ID_PAN_CONFLICT, "PAN Identifier Conflict" },
{ ZBEE_NWK_CMD_NWK_REPORT_ID_ZBOSS_KEY_TRACE, "ZBOSS key trace" },
{ 0, NULL }
};
/* Network Update Types */
static const value_string zbee_nwk_update_types[] = {
{ ZBEE_NWK_CMD_NWK_UPDATE_ID_PAN_UPDATE, "PAN Identifier Update" },
{ 0, NULL }
};
/* Network Status Codes */
static const value_string zbee_nwk_status_codes[] = {
{ ZBEE_NWK_STATUS_NO_ROUTE_AVAIL, "No Route Available" },
{ ZBEE_NWK_STATUS_TREE_LINK_FAIL, "Tree Link Failure" },
{ ZBEE_NWK_STATUS_NON_TREE_LINK_FAIL, "Non-tree Link Failure" },
{ ZBEE_NWK_STATUS_LOW_BATTERY, "Low Battery" },
{ ZBEE_NWK_STATUS_NO_ROUTING, "No Routing Capacity" },
{ ZBEE_NWK_STATUS_NO_INDIRECT, "No Indirect Capacity" },
{ ZBEE_NWK_STATUS_INDIRECT_EXPIRE, "Indirect Transaction Expiry" },
{ ZBEE_NWK_STATUS_DEVICE_UNAVAIL, "Target Device Unavailable" },
{ ZBEE_NWK_STATUS_ADDR_UNAVAIL, "Target Address Unallocated" },
{ ZBEE_NWK_STATUS_PARENT_LINK_FAIL, "Parent Link Failure" },
{ ZBEE_NWK_STATUS_VALIDATE_ROUTE, "Validate Route" },
{ ZBEE_NWK_STATUS_SOURCE_ROUTE_FAIL, "Source Route Failure" },
{ ZBEE_NWK_STATUS_MANY_TO_ONE_FAIL, "Many-to-One Route Failure" },
{ ZBEE_NWK_STATUS_ADDRESS_CONFLICT, "Address Conflict" },
{ ZBEE_NWK_STATUS_VERIFY_ADDRESS, "Verify Address" },
{ ZBEE_NWK_STATUS_PANID_UPDATE, "PAN ID Update" },
{ ZBEE_NWK_STATUS_ADDRESS_UPDATE, "Network Address Update" },
{ ZBEE_NWK_STATUS_BAD_FRAME_COUNTER, "Bad Frame Counter" },
{ ZBEE_NWK_STATUS_BAD_KEY_SEQNO, "Bad Key Sequence Number" },
{ 0, NULL }
};
/* Stack Profile Values. */
static const value_string zbee_nwk_stack_profiles[] = {
{ 0x00, "Network Specific" },
{ 0x01, "ZigBee Home" },
{ 0x02, "ZigBee PRO" },
{ 0, NULL }
};
/* ED Requested Timeout Enumerated Values */
static const value_string zbee_nwk_end_device_timeout_request[] = {
{ 0, "10 sec" },
{ 1, "2 min" },
{ 2, "4 min" },
{ 3, "8 min" },
{ 4, "16 min" },
{ 5, "32 min" },
{ 6, "64 min" },
{ 7, "128 min" },
{ 8, "256 min" },
{ 9, "512 min" },
{ 10, "1024 min" },
{ 11, "2048 min" },
{ 12, "4096 min" },
{ 13, "8192 min" },
{ 14, "16384 min" },
{ 0, NULL }
};
/* End Device Timeout Response Status Codes */
static const value_string zbee_nwk_end_device_timeout_resp_status[] = {
{ 0, "Success" },
{ 1, "Incorrect value" },
{ 0, NULL }
};
/* Names of IEEE 802.15.4 IEs (Information Elements) for ZigBee */
static const value_string ieee802154_zigbee_ie_names[] = {
{ ZBEE_ZIGBEE_IE_REJOIN, "Rejoin" },
{ ZBEE_ZIGBEE_IE_TX_POWER, "Tx Power" },
{ ZBEE_ZIGBEE_IE_BEACON_PAYLOAD, "Extended Beacon Payload" },
{ 0, NULL }
};
/* Stack Profile Values. */
static const value_string zbee_nwk_link_power_delta_types[] = {
{ 0x00, "Notification" },
{ 0x01, "Request" },
{ 0x02, "Response" },
{ 0x03, "Reserved" },
{ 0, NULL }
};
/* TODO: much of the following copied from ieee80154 dissector */
/*-------------------------------------
* Hash Tables and Lists
*-------------------------------------
*/
ieee802154_map_tab_t zbee_nwk_map = { NULL, NULL };
GHashTable *zbee_table_nwk_keyring = NULL;
GHashTable *zbee_table_link_keyring = NULL;
static int zbee_nwk_address_to_str(const address* addr, gchar *buf, int buf_len)
{
guint16 zbee_nwk_addr = pletoh16(addr->data);
if ((zbee_nwk_addr == ZBEE_BCAST_ALL) || (zbee_nwk_addr == ZBEE_BCAST_ACTIVE) || (zbee_nwk_addr == ZBEE_BCAST_ROUTERS)) {
return (int)g_strlcpy(buf, "Broadcast", buf_len) + 1;
}
else {
return snprintf(buf, buf_len, "0x%04x", zbee_nwk_addr) + 1;
}
}
static int zbee_nwk_address_str_len(const address* addr _U_)
{
return sizeof("Broadcast");
}
static int zbee_nwk_address_len(void)
{
return sizeof(guint16);
}
/**
*Extracts an integer sub-field from an int with a given mask
*
*/
guint
zbee_get_bit_field(guint input, guint mask)
{
/* Sanity Check, don't want infinite loops. */
if (mask == 0) return 0;
/* Shift input and mask together. */
while (!(mask & 0x1)) {
input >>= 1;
mask >>=1;
} /* while */
return (input & mask);
} /* zbee_get_bit_field */
/**
*Heuristic interpreter for the ZigBee network dissectors.
*
*@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.
*@return Boolean value, whether it handles the packet or not.
*/
static gboolean
dissect_zbee_nwk_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
ieee802154_packet *packet = (ieee802154_packet *)data;
guint16 fcf;
guint ver;
guint type;
/* All ZigBee frames must always have a 16-bit source and destination address. */
if (packet == NULL) return FALSE;
/* If the frame type and version are not sane, then it's probably not ZigBee. */
fcf = tvb_get_letohs(tvb, 0);
ver = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_VERSION);
type = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_FRAME_TYPE);
if ((ver < ZBEE_VERSION_2004) || (ver > ZBEE_VERSION_2007)) return FALSE;
if (!try_val_to_str(type, zbee_nwk_frame_types)) return FALSE;
/* All interpan frames should originate from an extended address. */
if (type == ZBEE_NWK_FCF_INTERPAN) {
if (packet->src_addr_mode != IEEE802154_FCF_ADDR_EXT) return FALSE;
}
/* All other ZigBee frames must have 16-bit source and destination addresses. */
else {
if (packet->src_addr_mode != IEEE802154_FCF_ADDR_SHORT) return FALSE;
if (packet->dst_addr_mode != IEEE802154_FCF_ADDR_SHORT) return FALSE;
}
/* Assume it's ZigBee */
dissect_zbee_nwk(tvb, pinfo, tree, packet);
return TRUE;
} /* dissect_zbee_heur */
/**
*ZigBee NWK packet dissection routine for 2006, 2007 and Pro stack versions.
*
*@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 data raw packet private data.
*/
static int
dissect_zbee_nwk_full(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
tvbuff_t *payload_tvb = NULL;
proto_item *proto_root;
proto_item *ti = NULL;
proto_tree *nwk_tree;
zbee_nwk_packet packet;
ieee802154_packet *ieee_packet;
guint offset = 0;
gchar *src_addr, *dst_addr;
guint16 fcf;
ieee802154_short_addr addr16;
ieee802154_map_rec *map_rec;
ieee802154_hints_t *ieee_hints;
zbee_nwk_hints_t *nwk_hints;
gboolean unicast_src;
static int * const fcf_flags_2007[] = {
&hf_zbee_nwk_frame_type,
&hf_zbee_nwk_proto_version,
&hf_zbee_nwk_discover_route,
&hf_zbee_nwk_multicast,
&hf_zbee_nwk_security,
&hf_zbee_nwk_source_route,
&hf_zbee_nwk_ext_dst,
&hf_zbee_nwk_ext_src,
&hf_zbee_nwk_end_device_initiator,
NULL
};
static int * const fcf_flags[] = {
&hf_zbee_nwk_frame_type,
&hf_zbee_nwk_proto_version,
&hf_zbee_nwk_discover_route,
&hf_zbee_nwk_security,
NULL
};
/* Reject the packet if data is NULL */
if (data == NULL)
return 0;
ieee_packet = (ieee802154_packet *)data;
memset(&packet, 0, sizeof(packet));
/* Set up hint structures */
if (!pinfo->fd->visited) {
/* Allocate frame data with hints for upper layers */
nwk_hints = wmem_new0(wmem_file_scope(), zbee_nwk_hints_t);
p_add_proto_data(wmem_file_scope(), pinfo, proto_zbee_nwk, 0, nwk_hints);
} else {
/* Retrieve existing structure */
nwk_hints = (zbee_nwk_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo, proto_zbee_nwk, 0);
}
ieee_hints = (ieee802154_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo,
proto_get_id_by_filter_name(IEEE802154_PROTOABBREV_WPAN), 0);
/* Add ourself to the protocol column, clear the info column, and create the protocol tree. */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ZigBee");
col_clear(pinfo->cinfo, COL_INFO);
proto_root = proto_tree_add_item(tree, proto_zbee_nwk, tvb, offset, -1, ENC_NA);
nwk_tree = proto_item_add_subtree(proto_root, ett_zbee_nwk);
/* Get and parse the FCF */
fcf = tvb_get_letohs(tvb, offset);
packet.type = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_FRAME_TYPE);
packet.version = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_VERSION);
packet.discovery = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_DISCOVER_ROUTE);
packet.security = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_SECURITY);
packet.multicast = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_MULTICAST);
packet.route = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_SOURCE_ROUTE);
packet.ext_dst = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_EXT_DEST);
packet.ext_src = zbee_get_bit_field(fcf, ZBEE_NWK_FCF_EXT_SOURCE);
/* Display the FCF. */
if (packet.version >= ZBEE_VERSION_2007) {
ti = proto_tree_add_bitmask(nwk_tree, tvb, offset, hf_zbee_nwk_fcf, ett_zbee_nwk_fcf, fcf_flags_2007, ENC_LITTLE_ENDIAN);
} else {
ti = proto_tree_add_bitmask(nwk_tree, tvb, offset, hf_zbee_nwk_fcf, ett_zbee_nwk_fcf, fcf_flags, ENC_LITTLE_ENDIAN);
}
proto_item_append_text(ti, " %s", val_to_str_const(packet.type, zbee_nwk_frame_types, "Unknown"));
offset += 2;
/* Add the frame type to the info column and protocol root. */
proto_item_append_text(proto_root, " %s", val_to_str_const(packet.type, zbee_nwk_frame_types, "Unknown Type"));
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(packet.type, zbee_nwk_frame_types, "Reserved Frame Type"));
if (packet.type != ZBEE_NWK_FCF_INTERPAN) {
/* Get the destination address. */
packet.dst = tvb_get_letohs(tvb, offset);
set_address_tvb(&pinfo->net_dst, zbee_nwk_address_type, 2, tvb, offset);
copy_address_shallow(&pinfo->dst, &pinfo->net_dst);
dst_addr = address_to_str(pinfo->pool, &pinfo->dst);
proto_tree_add_uint(nwk_tree, hf_zbee_nwk_dst, tvb, offset, 2, packet.dst);
ti = proto_tree_add_uint(nwk_tree, hf_zbee_nwk_addr, tvb, offset, 2, packet.dst);
proto_item_set_generated(ti);
proto_item_set_hidden(ti);
offset += 2;
proto_item_append_text(proto_root, ", Dst: %s", dst_addr);
col_append_fstr(pinfo->cinfo, COL_INFO, ", Dst: %s", dst_addr);
/* Get the short nwk source address and pass it to upper layers */
packet.src = tvb_get_letohs(tvb, offset);
set_address_tvb(&pinfo->net_src, zbee_nwk_address_type, 2, tvb, offset);
copy_address_shallow(&pinfo->src, &pinfo->net_src);
src_addr = address_to_str(pinfo->pool, &pinfo->src);
if (nwk_hints)
nwk_hints->src = packet.src;
proto_tree_add_uint(nwk_tree, hf_zbee_nwk_src, tvb, offset, 2, packet.src);
ti = proto_tree_add_uint(nwk_tree, hf_zbee_nwk_addr, tvb, offset, 2, packet.src);
proto_item_set_generated(ti);
proto_item_set_hidden(ti);
offset += 2;
if ( (packet.src == ZBEE_BCAST_ALL)
|| (packet.src == ZBEE_BCAST_ACTIVE)
|| (packet.src == ZBEE_BCAST_ROUTERS)){
/* Source Broadcast doesn't make much sense. */
unicast_src = FALSE;
}
else {
unicast_src = TRUE;
}
proto_item_append_text(proto_root, ", Src: %s", src_addr);
col_append_fstr(pinfo->cinfo, COL_INFO, ", Src: %s", src_addr);
/* Get and display the radius. */
packet.radius = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(nwk_tree, hf_zbee_nwk_radius, tvb, offset, 1, packet.radius);
offset += 1;
/* Get and display the sequence number. */
packet.seqno = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(nwk_tree, hf_zbee_nwk_seqno, tvb, offset, 1, packet.seqno);
offset += 1;
/* Add the extended destination address (ZigBee 2006 and later). */
if ((packet.version >= ZBEE_VERSION_2007) && packet.ext_dst) {
packet.dst64 = tvb_get_letoh64(tvb, offset);
proto_tree_add_item(nwk_tree, hf_zbee_nwk_dst64, tvb, offset, 8, ENC_LITTLE_ENDIAN);
ti = proto_tree_add_eui64(nwk_tree, hf_zbee_nwk_addr64, tvb, offset, 8, packet.dst64);
proto_item_set_generated(ti);
proto_item_set_hidden(ti);
offset += 8;
}
/* Display the extended source address. (ZigBee 2006 and later). */
if (packet.version >= ZBEE_VERSION_2007) {
addr16.pan = ieee_packet->src_pan;
if (packet.ext_src) {
packet.src64 = tvb_get_letoh64(tvb, offset);
proto_tree_add_item(nwk_tree, hf_zbee_nwk_src64, tvb, offset, 8, ENC_LITTLE_ENDIAN);
ti = proto_tree_add_eui64(nwk_tree, hf_zbee_nwk_addr64, tvb, offset, 8, packet.src64);
proto_item_set_generated(ti);
proto_item_set_hidden(ti);
offset += 8;
if (!pinfo->fd->visited && nwk_hints) {
/* Provide hints to upper layers */
nwk_hints->src_pan = ieee_packet->src_pan;
/* Update nwk extended address hash table */
if ( unicast_src ) {
nwk_hints->map_rec = ieee802154_addr_update(&zbee_nwk_map,
packet.src, addr16.pan, packet.src64, pinfo->current_proto, pinfo->num);
}
}
}
else {
/* See if extended source info was previously sniffed */
if (!pinfo->fd->visited && nwk_hints) {
nwk_hints->src_pan = ieee_packet->src_pan;
addr16.addr = packet.src;
map_rec = (ieee802154_map_rec *) g_hash_table_lookup(zbee_nwk_map.short_table, &addr16);
if (map_rec) {
/* found a nwk mapping record */
nwk_hints->map_rec = map_rec;
}
else {
/* does ieee layer know? */
map_rec = (ieee802154_map_rec *) g_hash_table_lookup(ieee_packet->short_table, &addr16);
if (map_rec) nwk_hints->map_rec = map_rec;
}
} /* (!pinfo->fd->visited) */
else {
if (nwk_hints && nwk_hints->map_rec ) {
/* Display inferred source address info */
ti = proto_tree_add_eui64(nwk_tree, hf_zbee_nwk_src64, tvb, offset, 0,
nwk_hints->map_rec->addr64);
proto_item_set_generated(ti);
ti = proto_tree_add_eui64(nwk_tree, hf_zbee_nwk_addr64, tvb, offset, 0, nwk_hints->map_rec->addr64);
proto_item_set_generated(ti);
proto_item_set_hidden(ti);
if ( nwk_hints->map_rec->start_fnum ) {
ti = proto_tree_add_uint(nwk_tree, hf_zbee_nwk_src64_origin, tvb, 0, 0,
nwk_hints->map_rec->start_fnum);
}
else {
ti = proto_tree_add_uint_format_value(nwk_tree, hf_zbee_nwk_src64_origin, tvb, 0, 0, 0, "Pre-configured");
}
proto_item_set_generated(ti);
}
}
}
/* If ieee layer didn't know its extended source address, and nwk layer does, fill it in */
if (!pinfo->fd->visited) {
if ( (ieee_packet->src_addr_mode == IEEE802154_FCF_ADDR_SHORT) &&
ieee_hints && !ieee_hints->map_rec ) {
addr16.pan = ieee_packet->src_pan;
addr16.addr = ieee_packet->src16;
map_rec = (ieee802154_map_rec *) g_hash_table_lookup(zbee_nwk_map.short_table, &addr16);
if (map_rec) {
/* found a ieee mapping record */
ieee_hints->map_rec = map_rec;
}
}
} /* (!pinfo->fd->visited */
} /* (pinfo->zbee_stack_vers >= ZBEE_VERSION_2007) */
/* Add multicast control field (ZigBee 2006 and later). */
if ((packet.version >= ZBEE_VERSION_2007) && packet.multicast) {
static int * const multicast_flags[] = {
&hf_zbee_nwk_mcast_mode,
&hf_zbee_nwk_mcast_radius,
&hf_zbee_nwk_mcast_max_radius,
NULL
};
guint8 mcast_control = tvb_get_guint8(tvb, offset);
packet.mcast_mode = zbee_get_bit_field(mcast_control, ZBEE_NWK_MCAST_MODE);
packet.mcast_radius = zbee_get_bit_field(mcast_control, ZBEE_NWK_MCAST_RADIUS);
packet.mcast_max_radius = zbee_get_bit_field(mcast_control, ZBEE_NWK_MCAST_MAX_RADIUS);
proto_tree_add_bitmask(nwk_tree, tvb, offset, hf_zbee_nwk_mcast, ett_zbee_nwk_mcast, multicast_flags, ENC_NA);
offset += 1;
}
/* Add the Source Route field. (ZigBee 2006 and later). */
if ((packet.version >= ZBEE_VERSION_2007) && packet.route) {
proto_tree *field_tree;
guint8 relay_count;
guint16 relay_addr;
guint i;
/* Create a subtree for the source route field. */
field_tree = proto_tree_add_subtree(nwk_tree, tvb, offset, 1, ett_zbee_nwk_route, &ti, "Source Route");
/* Get and display the relay count. */
relay_count = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(field_tree, hf_zbee_nwk_relay_count, tvb, offset, 1, relay_count);
proto_item_append_text(ti, ", Length: %d", relay_count);
offset += 1;
/* Correct the length of the source route fields. */
proto_item_set_len(ti, 1 + relay_count*2);
/* Get and display the relay index. */
proto_tree_add_item(field_tree, hf_zbee_nwk_relay_index, tvb, offset, 1, ENC_NA);
offset += 1;
/* Get and display the relay list. */
for (i=0; i<relay_count; i++) {
relay_addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint_format(field_tree, hf_zbee_nwk_relay, tvb, offset, 2, relay_addr, "Relay %d: 0x%04x", i+1, relay_addr);
offset += 2;
} /* for */
}
} /* if not interpan */
/*
* Ensure that the payload exists. There are no valid ZigBee network
* packets that have no payload.
*/
if (offset >= tvb_captured_length(tvb)) {
/* Non-existent or truncated payload. */
expert_add_info(pinfo, proto_root, &ei_zbee_nwk_missing_payload);
return tvb_captured_length(tvb);
}
/* Payload is encrypted, attempt security operations. */
else if (packet.security) {
payload_tvb = dissect_zbee_secure(tvb, pinfo, nwk_tree, offset);
if (payload_tvb == NULL) {
/* If Payload_tvb is NULL, then the security dissector cleaned up. */
return tvb_captured_length(tvb);
}
}
/* Plaintext payload. */
else {
payload_tvb = tvb_new_subset_remaining(tvb, offset);
}
if (packet.type == ZBEE_NWK_FCF_CMD) {
/* Dissect the Network Command. */
dissect_zbee_nwk_cmd(payload_tvb, pinfo, nwk_tree, &packet);
}
else if (packet.type == ZBEE_NWK_FCF_DATA || packet.type == ZBEE_NWK_FCF_INTERPAN) {
/* Dissect the Network Payload (APS layer). */
call_dissector_with_data(aps_handle, payload_tvb, pinfo, tree, &packet);
}
else {
/* Invalid type. */
call_data_dissector(payload_tvb, pinfo, tree);
}
tap_queue_packet(zbee_nwk_tap, pinfo, NULL);
return tvb_captured_length(tvb);
} /* dissect_zbee_nwk */
/**
*ZigBee packet dissection with proto version determination.
*
*@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 data raw packet private data.
*/
static int
dissect_zbee_nwk(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
guint8 fcf0;
guint8 proto_version;
fcf0 = tvb_get_guint8(tvb, 0);
proto_version = (fcf0 & ZBEE_NWK_FCF_VERSION) >> 2;
if (proto_version == ZBEE_VERSION_GREEN_POWER) {
call_dissector(zbee_gp_handle, tvb, pinfo, tree);
} else {
/* TODO: add check for FCF proto versions. */
dissect_zbee_nwk_full(tvb, pinfo, tree, data);
}
return tvb_captured_length(tvb);
}
/**
*ZigBee Network command packet dissection routine for Wireshark.
*
*@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.
*/
static void dissect_zbee_nwk_cmd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet* packet)
{
proto_tree *cmd_tree;
proto_item *cmd_root;
guint offset=0;
guint8 cmd_id = tvb_get_guint8(tvb, offset);
/* Create a subtree for this command. */
cmd_tree = proto_tree_add_subtree_format(tree, tvb, offset, -1, ett_zbee_nwk_cmd, &cmd_root, "Command Frame: %s",
val_to_str_const(cmd_id, zbee_nwk_cmd_names, "Unknown"));
/* Add the command ID. */
proto_tree_add_uint(cmd_tree, hf_zbee_nwk_cmd_id, tvb, offset, 1, cmd_id);
offset += 1;
/* Add the command name to the info column. */
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(cmd_id, zbee_nwk_cmd_names, "Unknown Command"));
/* Handle the command. */
switch(cmd_id){
case ZBEE_NWK_CMD_ROUTE_REQ:
/* Route Request Command. */
offset = dissect_zbee_nwk_route_req(tvb, pinfo, cmd_tree, packet, offset);
break;
case ZBEE_NWK_CMD_ROUTE_REPLY:
/* Route Reply Command. */
offset = dissect_zbee_nwk_route_rep(tvb, pinfo, cmd_tree, offset, packet->version);
break;
case ZBEE_NWK_CMD_NWK_STATUS:
/* Network Status Command. */
offset = dissect_zbee_nwk_status(tvb, pinfo, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_LEAVE:
/* Leave Command. */
offset = dissect_zbee_nwk_leave(tvb, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_ROUTE_RECORD:
/* Route Record Command. */
offset = dissect_zbee_nwk_route_rec(tvb, pinfo, cmd_tree, packet, offset);
break;
case ZBEE_NWK_CMD_REJOIN_REQ:
/* Rejoin Request Command. */
offset = dissect_zbee_nwk_rejoin_req(tvb, pinfo, cmd_tree, packet, offset);
break;
case ZBEE_NWK_CMD_REJOIN_RESP:
/* Rejoin Response Command. */
offset = dissect_zbee_nwk_rejoin_resp(tvb, pinfo, cmd_tree, packet, offset);
break;
case ZBEE_NWK_CMD_LINK_STATUS:
/* Link Status Command. */
offset = dissect_zbee_nwk_link_status(tvb, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_NWK_REPORT:
/* Network Report Command. */
offset = dissect_zbee_nwk_report(tvb, pinfo, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_NWK_UPDATE:
/* Network Update Command. */
offset = dissect_zbee_nwk_update(tvb, pinfo, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_ED_TIMEOUT_REQUEST:
/* Network End Device Timeout Request Command. */
offset = dissect_zbee_nwk_ed_timeout_request(tvb, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_ED_TIMEOUT_RESPONSE:
/* Network End Device Timeout Response Command. */
offset = dissect_zbee_nwk_ed_timeout_response(tvb, pinfo, cmd_tree, offset);
break;
case ZBEE_NWK_CMD_LINK_PWR_DELTA:
offset = dissect_zbee_nwk_link_pwr_delta(tvb, pinfo, cmd_tree, offset);
break;
default:
/* Just break out and let the overflow handler deal with the payload. */
break;
} /* switch */
/* There is excess data in the packet. */
if (offset < tvb_captured_length(tvb)) {
/* There are leftover bytes! */
tvbuff_t *leftover_tvb = tvb_new_subset_remaining(tvb, offset);
proto_tree *root;
/* Correct the length of the command tree. */
root = proto_tree_get_root(tree);
proto_item_set_len(cmd_root, offset);
/* Dump the leftover to the data dissector. */
call_data_dissector(leftover_tvb, pinfo, root);
}
} /* dissect_zbee_nwk_cmd */
/**
*Helper dissector for the Route Request command.
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields
*@param tree pointer to the command subtree.
*@param packet pointer to the network packet struct.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_route_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet * packet, guint offset)
{
guint8 route_options;
guint16 dest_addr;
static int * const nwk_route_command_options_2007[] = {
&hf_zbee_nwk_cmd_route_opt_multicast,
&hf_zbee_nwk_cmd_route_opt_dest_ext,
&hf_zbee_nwk_cmd_route_opt_many_to_one,
NULL
};
static int * const nwk_route_command_options[] = {
&hf_zbee_nwk_cmd_route_opt_repair,
NULL
};
/* Get and display the route options field. */
route_options = tvb_get_guint8(tvb, offset);
if (packet->version >= ZBEE_VERSION_2007) {
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_route_options, ett_zbee_nwk_cmd_options, nwk_route_command_options_2007, ENC_NA);
} else {
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_route_options, ett_zbee_nwk_cmd_options, nwk_route_command_options, ENC_NA);
}
offset += 1;
/* Get and display the route request ID. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_id, tvb, offset, 1, ENC_NA);
offset += 1;
/* Get and display the destination address. */
dest_addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_route_dest, tvb, offset, 2, dest_addr);
offset += 2;
/* Get and display the path cost. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_cost, tvb, offset, 1, ENC_NA);
offset += 1;
/* Get and display the extended destination address. */
if (route_options & ZBEE_NWK_CMD_ROUTE_OPTION_DEST_EXT) {
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_dest_ext, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
}
/* Update the info column. */
if (route_options & ZBEE_NWK_CMD_ROUTE_OPTION_MANY_MASK) {
col_clear(pinfo->cinfo, COL_INFO);
col_append_fstr(pinfo->cinfo, COL_INFO, "Many-to-One Route Request");
}
col_append_fstr(pinfo->cinfo, COL_INFO, ", Dst: 0x%04x, Src: 0x%04x", dest_addr, packet->src);
/* Done */
return offset;
} /* dissect_zbee_nwk_route_req */
/**
*Helper dissector for the Route Reply command.
*
*@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 guint
dissect_zbee_nwk_route_rep(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset, guint8 version)
{
guint8 route_options;
guint16 orig_addr;
guint16 resp_addr;
static int * const nwk_route_command_options_2007[] = {
&hf_zbee_nwk_cmd_route_opt_multicast,
&hf_zbee_nwk_cmd_route_opt_resp_ext,
&hf_zbee_nwk_cmd_route_opt_orig_ext,
NULL
};
static int * const nwk_route_command_options[] = {
&hf_zbee_nwk_cmd_route_opt_repair,
NULL
};
/* Get and display the route options field. */
route_options = tvb_get_guint8(tvb, offset);
if (version >= ZBEE_VERSION_2007) {
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_route_options, ett_zbee_nwk_cmd_options, nwk_route_command_options_2007, ENC_NA);
} else {
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_route_options, ett_zbee_nwk_cmd_options, nwk_route_command_options, ENC_NA);
}
offset += 1;
/* Get and display the route request ID. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_id, tvb, offset, 1, ENC_NA);
offset += 1;
/* Get and display the originator address. */
orig_addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_route_orig, tvb, offset, 2, orig_addr);
offset += 2;
/* Get and display the responder address. */
resp_addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_route_resp, tvb, offset, 2, resp_addr);
offset += 2;
/* Get and display the path cost. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_cost, tvb, offset, 1, ENC_NA);
offset += 1;
/* Get and display the originator extended address. */
if (route_options & ZBEE_NWK_CMD_ROUTE_OPTION_ORIG_EXT) {
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_orig_ext, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
}
/* Get and display the responder extended address. */
if (route_options & ZBEE_NWK_CMD_ROUTE_OPTION_RESP_EXT) {
proto_tree_add_item(tree, hf_zbee_nwk_cmd_route_resp_ext, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
}
/* Update the info column. */
col_append_fstr(pinfo->cinfo, COL_INFO, ", Responder: 0x%04x, Originator: 0x%04x", resp_addr, orig_addr);
/* Done */
return offset;
} /* dissect_zbee_nwk_route_rep */
/**
*Helper dissector for the Network Status command.
*
*@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 guint
dissect_zbee_nwk_status(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
guint8 status_code;
guint8 command_id;
guint16 addr;
/* Get and display the status code. */
status_code = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_nwk_status, tvb, offset, 1, status_code);
offset += 1;
/* Get and display the destination address. */
addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_route_dest, tvb, offset, 2, addr);
offset += 2;
/* Update the info column. */
col_append_fstr(pinfo->cinfo, COL_INFO, ", 0x%04x: %s", addr, val_to_str_const(status_code, zbee_nwk_status_codes, "Unknown Status Code"));
if (status_code == ZBEE_NWK_STATUS_UNKNOWN_COMMAND) {
command_id = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_nwk_status_command_id, tvb, offset, 1, command_id);
col_append_fstr(pinfo->cinfo, COL_INFO, ", Unknown Command ID 0x%02x (%s)", command_id,
val_to_str_const(command_id, zbee_nwk_cmd_names, "Unknown ID"));
offset++;
}
/* Done */
return offset;
} /* dissect_zbee_nwk_status */
/**
*Helper dissector for the Leave command.
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to the command subtree.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_leave(tvbuff_t *tvb, proto_tree *tree, guint offset)
{
static int * const leave_options[] = {
&hf_zbee_nwk_cmd_leave_rejoin,
&hf_zbee_nwk_cmd_leave_request,
&hf_zbee_nwk_cmd_leave_children,
NULL
};
/* Get and display the leave options. */
proto_tree_add_bitmask_list(tree, tvb, offset, 1, leave_options, ENC_NA);
offset += 1;
/* Done */
return offset;
} /* dissect_zbee_nwk_leave */
/**
*Helper dissector for the Route Record command.
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields
*@param tree pointer to the command subtree.
*@param packet pointer to the network packet struct.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_route_rec(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet * packet, guint offset)
{
guint8 relay_count;
guint16 relay_addr;
guint i;
/* Get and display the relay count. */
relay_count = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_relay_count, tvb, offset, 1, relay_count);
offset += 1;
/* Get and display the relay addresses. */
for (i=0; i<relay_count; i++) {
relay_addr = tvb_get_letohs(tvb, offset);
proto_tree_add_uint_format(tree, hf_zbee_nwk_cmd_relay_device, tvb, offset, 2, relay_addr,
"Relay Device %d: 0x%04x", i+1, relay_addr);
offset += 2;
} /* for */
/* Update the info column. */
col_append_fstr(pinfo->cinfo, COL_INFO, ", Dst: 0x%04x", packet->dst);
/* Done */
return offset;
} /* dissect_zbee_nwk_route_rec */
/**
*Helper dissector for the Rejoin Request command.
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields
*@param tree pointer to the command subtree.
*@param packet pointer to the network packet struct.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_rejoin_req(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet * packet, guint offset)
{
static int * const capabilities[] = {
&hf_zbee_nwk_cmd_cinfo_alt_coord,
&hf_zbee_nwk_cmd_cinfo_type,
&hf_zbee_nwk_cmd_cinfo_power,
&hf_zbee_nwk_cmd_cinfo_idle_rx,
&hf_zbee_nwk_cmd_cinfo_security,
&hf_zbee_nwk_cmd_cinfo_alloc,
NULL
};
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_cinfo, ett_zbee_nwk_cmd_cinfo, capabilities, ENC_NA);
offset += 1;
/* Update the info column.*/
col_append_fstr(pinfo->cinfo, COL_INFO, ", Device: 0x%04x", packet->src);
/* Done */
return offset;
} /* dissect_zbee_nwk_rejoin_req */
/**
*Helper dissector for the Rejoin Response command.
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields
*@param tree pointer to the command subtree.
*@param packet pointer to the network packet struct.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_rejoin_resp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, zbee_nwk_packet * packet _U_, guint offset)
{
guint8 status;
guint16 new_address;
/* Get and display the short address. */
new_address = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
proto_tree_add_item(tree, hf_zbee_nwk_cmd_addr, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
/* Get and display the rejoin status. */
status = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_rejoin_status, tvb, offset, 1, status);
offset += 1;
/* Update the info column. */
if (status == IEEE802154_CMD_ASRSP_AS_SUCCESS) {
col_append_fstr(pinfo->cinfo, COL_INFO, ", New Address: 0x%04x", new_address);
}
else {
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", val_to_str_const(status, zbee_nwk_rejoin_codes, "Unknown Rejoin Response"));
}
/* Done */
return offset;
} /* dissect_zbee_nwk_rejoin_resp */
/**
*Helper dissector for the Link Status command.
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to the command subtree.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_link_status(tvbuff_t *tvb, proto_tree *tree, guint offset)
{
guint8 options;
int i, link_count;
proto_tree *subtree;
static int * const link_options[] = {
&hf_zbee_nwk_cmd_link_last,
&hf_zbee_nwk_cmd_link_first,
&hf_zbee_nwk_cmd_link_count,
NULL
};
/* Get and Display the link status options. */
options = tvb_get_guint8(tvb, offset);
link_count = options & ZBEE_NWK_CMD_LINK_OPTION_COUNT_MASK;
proto_tree_add_bitmask_list(tree, tvb, offset, 1, link_options, ENC_NA);
offset += 1;
/* Get and Display the link status list. */
for (i=0; i<link_count; i++) {
/* Get the address and link status. */
subtree = proto_tree_add_subtree_format(tree, tvb, offset, 3, ett_zbee_nwk_cmd_link, NULL, "Link %d", i+1);
proto_tree_add_item(subtree, hf_zbee_nwk_cmd_link_address, tvb, offset, 2, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_zbee_nwk_cmd_link_incoming_cost, tvb, offset+2, 1, ENC_NA);
proto_tree_add_item(subtree, hf_zbee_nwk_cmd_link_outgoing_cost, tvb, offset+2, 1, ENC_NA);
offset += (2+1);
} /* for */
/* TODO: Update the info column. */
return offset;
} /* dissect_zbee_nwk_link_status */
/**
*Helper dissector for the End Device Timeout Request command.
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to the command subtree.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_ed_timeout_request(tvbuff_t *tvb, proto_tree *tree, guint offset)
{
/* See 3.4.11 End Device Timeout Request Command */
/* 3.4.11.3.1 Requested Timeout Field */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_end_device_timeout_request_enum, tvb, offset, 1, ENC_NA);
offset++;
/* 3.4.11.3.2 End Device Configuration Field */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_end_device_configuration, tvb, offset, 1, ENC_NA);
offset++;
return offset;
} /* dissect_zbee_nwk_ed_timeout_request */
/**
*Helper dissector for the End Device Timeout Response command.
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to the command subtree.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_ed_timeout_response(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
static int * const end_device_parent_info[] = {
&hf_zbee_nwk_cmd_prnt_info_mac_data_poll_keepalive_supported,
&hf_zbee_nwk_cmd_prnt_info_ed_to_req_keepalive_supported,
&hf_zbee_nwk_cmd_prnt_info_power_negotiation_supported,
NULL
};
guint status = tvb_get_guint8(tvb, offset);
/* 3.4.12 End Device Timeout Response Command */
/* status */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_end_device_timeout_resp_status, tvb, offset, 1, ENC_NA);
offset++;
/* Parent Information bitmask */
proto_tree_add_bitmask(tree, tvb, offset, hf_zbee_nwk_cmd_end_device_timeout_resp_parent_info, ett_zbee_nwk_cmd_ed_to_rsp_prnt_info, end_device_parent_info, ENC_NA);
offset++;
proto_item_append_text(tree, ", %s", val_to_str_const(status, zbee_nwk_end_device_timeout_resp_status, "Unknown Status"));
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", val_to_str_const(status, zbee_nwk_end_device_timeout_resp_status, "Unknown Status"));
return offset;
} /* dissect_zbee_nwk_ed_timeout_response */
/**
*Helper dissector for the Link Power Delta command.
*
*@param tvb pointer to buffer containing raw packet.
*@param tree pointer to the command subtree.
*@param offset into the tvb to begin dissection.
*@return offset after command dissection.
*/
static guint
dissect_zbee_nwk_link_pwr_delta(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset)
{
int i;
int count;
gint delta;
guint8 type;
guint16 addr;
proto_tree *subtree;
type = tvb_get_guint8(tvb, offset) & ZBEE_NWK_CMD_NWK_LINK_PWR_DELTA_TYPE_MASK;
proto_tree_add_item(tree, hf_zbee_nwk_cmd_link_pwr_type, tvb, offset, 1, ENC_NA);
offset++;
count = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_zbee_nwk_cmd_link_pwr_list_count, tvb, offset, 1, ENC_NA);
offset++;
proto_item_append_text(tree, ": %s, Count %d", val_to_str_const(type, zbee_nwk_link_power_delta_types, "Unknown"), count);
for (i=0; i<count; i++) {
subtree = proto_tree_add_subtree(tree, tvb, count, 3, ett_zbee_nwk_cmd_link_pwr_struct, NULL, "Power Delta Structure");
addr = tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_zbee_nwk_cmd_link_pwr_device_address, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
delta = (char)tvb_get_guint8(tvb, offset);
proto_tree_add_item(subtree, hf_zbee_nwk_cmd_link_pwr_power_delta, tvb, offset, 1, ENC_NA);
offset++;
proto_item_append_text(subtree, ": Device Address 0x%04X, Power Delta %d dBm", addr, delta);
}
return offset;
}
/**
*Helper dissector for the Network Report command.
*
*@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 guint
dissect_zbee_nwk_report(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
guint8 options;
guint8 report_type;
int report_count;
int i;
/* Get and display the command options field. */
options = tvb_get_guint8(tvb, offset);
report_count = options & ZBEE_NWK_CMD_NWK_REPORT_COUNT_MASK;
report_type = options & ZBEE_NWK_CMD_NWK_REPORT_ID_MASK;
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_report_type, tvb, offset, 1, report_type);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_report_count, tvb, offset, 1, report_count);
offset += 1;
report_type >>= ws_ctz(ZBEE_NWK_CMD_NWK_REPORT_ID_MASK);
/* Get and display the epid. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_epid, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
if (report_type == ZBEE_NWK_CMD_NWK_REPORT_ID_PAN_CONFLICT) {
/* Report information contains a list of PANS with range of the sender. */
for (i=0; i<report_count; i++) {
proto_tree_add_item(tree, hf_zbee_nwk_panid, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
} /* for */
}
if (report_type == ZBEE_NWK_CMD_NWK_REPORT_ID_ZBOSS_KEY_TRACE) {
guint8 key[ZBEE_APS_CMD_KEY_LENGTH];
for (i=0; i<ZBEE_APS_CMD_KEY_LENGTH ; i++) {
key[i] = tvb_get_guint8(tvb, offset+i);
} /* for */
proto_tree_add_item(tree, hf_zbee_zboss_nwk_cmd_key, tvb, offset, ZBEE_APS_CMD_KEY_LENGTH, ENC_NA);
offset += ZBEE_APS_CMD_KEY_LENGTH;
zbee_sec_add_key_to_keyring(pinfo, key);
}
/* Update the info column. */
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", val_to_str_const(report_type, zbee_nwk_report_types, "Unknown Report Type"));
/* Done */
return offset;
} /* dissect_zbee_nwk_report */
/**
*Helper dissector for the Network Update command.
*
*@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 guint
dissect_zbee_nwk_update(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
guint8 options;
guint8 update_type;
guint8 update_id;
int update_count;
int i;
/* Get and display the command options field. */
options = tvb_get_guint8(tvb, offset);
update_count = options & ZBEE_NWK_CMD_NWK_UPDATE_COUNT_MASK;
update_type = options & ZBEE_NWK_CMD_NWK_UPDATE_ID_MASK;
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_update_type, tvb, offset, 1, update_type);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_update_count, tvb, offset, 1, update_count);
offset += 1;
/* Get and display the epid. */
proto_tree_add_item(tree, hf_zbee_nwk_cmd_epid, tvb, offset, 8, ENC_LITTLE_ENDIAN);
offset += 8;
/* Get and display the updateID. */
update_id = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_zbee_nwk_cmd_update_id, tvb, offset, 1, update_id);
offset += 1;
if (update_type == ZBEE_NWK_CMD_NWK_UPDATE_ID_PAN_UPDATE) {
/* Report information contains a list of PANS with range of the sender. */
for (i=0; i<update_count; i++) {
proto_tree_add_item(tree, hf_zbee_nwk_panid, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
} /* for */
}
/* Update the info column. */
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s", val_to_str_const(update_type, zbee_nwk_update_types, "Unknown Update Type"));
/* Done */
return offset;
} /* dissect_zbee_nwk_update */
/**
*Heuristic interpreter for the ZigBee PRO beacon dissectors.
*
*@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.
*@return Boolean value, whether it handles the packet or not.
*/
static gboolean
dissect_zbee_beacon_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
ieee802154_packet *packet = (ieee802154_packet *)data;
/* All ZigBee frames must always have a 16-bit source address. */
if (!packet) return FALSE;
if (packet->src_addr_mode != IEEE802154_FCF_ADDR_SHORT) return FALSE;
if (tvb_captured_length(tvb) == 0) return FALSE;
/* ZigBee beacons begin with a protocol identifier. */
if (tvb_get_guint8(tvb, 0) != ZBEE_NWK_BEACON_PROTOCOL_ID) return FALSE;
dissect_zbee_beacon(tvb, pinfo, tree, packet);
return TRUE;
} /* dissect_zbee_beacon_heur */
/**
*Dissector for Legacy ZigBee Beacon Payloads (prior to the Enhanced Beacon)
*
*@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.
*/
static int dissect_zbee_beacon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
{
proto_item *beacon_root;
proto_tree *beacon_tree;
guint offset = 0;
guint8 version;
guint32 profile;
static int * const beacon_fields[] = {
&hf_zbee_beacon_stack_profile,
&hf_zbee_beacon_version,
&hf_zbee_beacon_router_capacity,
&hf_zbee_beacon_depth,
&hf_zbee_beacon_end_device_capacity,
NULL
};
/* Add ourself to the protocol column. */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ZigBee");
/* Create the tree for this beacon. */
beacon_root = proto_tree_add_item(tree, proto_zbee_beacon, tvb, 0, -1, ENC_NA);
beacon_tree = proto_item_add_subtree(beacon_root, ett_zbee_nwk_beacon);
/* Get and display the protocol id, must be 0 on all ZigBee beacons. */
proto_tree_add_item(beacon_tree, hf_zbee_beacon_protocol, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_bitmask_text(beacon_tree, tvb, offset, 2, "Beacon: ", NULL , ett_zbee_nwk_beacon_bitfield, beacon_fields,
ENC_LITTLE_ENDIAN, BMT_NO_INT|BMT_NO_TFS);
/* Get and display the stack profile and protocol version. */
version = (guint8)((tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN) & ZBEE_NWK_BEACON_PROTOCOL_VERSION) >> 4);
profile = (guint32)(tvb_get_guint16(tvb, offset, ENC_LITTLE_ENDIAN) & ZBEE_NWK_BEACON_STACK_PROFILE);
proto_item_append_text(beacon_root, ", %s", val_to_str_const(profile, zbee_nwk_stack_profiles, "Unknown Profile"));
offset += 2;
if (version >= ZBEE_VERSION_2007) {
/* In ZigBee 2006 and later, the beacon contains an extended PAN ID. */
proto_tree_add_item(beacon_tree, hf_zbee_beacon_epid, tvb, offset, 8, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ", EPID: %s", eui64_to_display(pinfo->pool,
tvb_get_guint64(tvb, offset, ENC_LITTLE_ENDIAN)));
proto_item_append_text(beacon_root, ", EPID: %s", eui64_to_display(pinfo->pool,
tvb_get_guint64(tvb, offset, ENC_LITTLE_ENDIAN)));
offset += 8;
/*
* In ZigBee 2006 the Tx-Offset is optional, while in the 2007 and
* later versions, the Tx-Offset is a required value. Since both 2006 and
* and 2007 versions have the same protocol version (2), we should treat
* the Tx-Offset as well as the update ID as optional elements
*/
if (tvb_bytes_exist(tvb, offset, 3)) {
proto_tree_add_item(beacon_tree, hf_zbee_beacon_tx_offset, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
/* Get and display the update ID. */
if(tvb_captured_length_remaining(tvb, offset)) {
proto_tree_add_item(beacon_tree, hf_zbee_beacon_update_id, tvb, offset, 1, ENC_NA);
offset += 1;
}
}
}
else if (tvb_bytes_exist(tvb, offset, 3)) {
/* In ZigBee 2004, the Tx-Offset is an optional value. */
proto_tree_add_item(beacon_tree, hf_zbee_beacon_tx_offset, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
}
return offset;
} /* dissect_zbee_beacon */
/**
*Heuristic interpreter for the ZigBee IP beacon dissectors.
*
*@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.
*@return Boolean value, whether it handles the packet or not.
*/
static gboolean
dissect_zbip_beacon_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
ieee802154_packet *packet = (ieee802154_packet *)data;
/* All ZigBee frames must always have a 16-bit source address. */
if (!packet) return FALSE;
if (packet->src_addr_mode != IEEE802154_FCF_ADDR_SHORT) return FALSE;
if (tvb_captured_length(tvb) == 0) return FALSE;
/* ZigBee beacons begin with a protocol identifier. */
if (tvb_get_guint8(tvb, 0) != ZBEE_IP_BEACON_PROTOCOL_ID) return FALSE;
dissect_zbip_beacon(tvb, pinfo, tree, packet);
return TRUE;
} /* dissect_zbip_beacon_heur */
/**
*Dissector for ZigBee IP beacons.
*
*@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.
*/
static int dissect_zbip_beacon(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
ieee802154_packet *packet = (ieee802154_packet *)data;
proto_item *beacon_root;
proto_tree *beacon_tree;
guint offset = 0;
guint8 proto_id;
char *ssid;
/* Reject the packet if data is NULL */
if (!packet) return 0;
/* Add ourself to the protocol column. */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ZigBee IP");
/* Create the tree for this beacon. */
beacon_root = proto_tree_add_item(tree, proto_zbip_beacon, tvb, 0, -1, ENC_NA);
beacon_tree = proto_item_add_subtree(beacon_root, ett_zbee_nwk_beacon);
/* Update the info column. */
col_clear(pinfo->cinfo, COL_INFO);
col_append_fstr(pinfo->cinfo, COL_INFO, "Beacon, Src: 0x%04x", packet->src16);
/* Get and display the protocol id, must be 0x02 on all ZigBee beacons. */
proto_id = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(beacon_tree, hf_zbee_beacon_protocol, tvb, offset, 1, proto_id);
offset += 1;
/* Get and display the beacon flags */
proto_tree_add_item(beacon_tree, hf_zbip_beacon_allow_join, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(beacon_tree, hf_zbip_beacon_router_capacity, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(beacon_tree, hf_zbip_beacon_host_capacity, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(beacon_tree, hf_zbip_beacon_unsecure, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Get and display the network ID. */
proto_tree_add_item(beacon_tree, hf_zbip_beacon_network_id, tvb, offset, 16, ENC_ASCII|ENC_NA);
ssid = tvb_get_string_enc(pinfo->pool, tvb, offset, 16, ENC_ASCII|ENC_NA);
col_append_fstr(pinfo->cinfo, COL_INFO, ", SSID: %s", ssid);
offset += 16;
/* Check for leftover bytes. */
if (offset < tvb_captured_length(tvb)) {
/* TODO: There are TLV's to parse. */
/* Bytes leftover! */
tvbuff_t *leftover_tvb = tvb_new_subset_remaining(tvb, offset);
proto_tree *root;
/* Correct the length of the beacon tree. */
root = proto_tree_get_root(tree);
proto_item_set_len(beacon_root, offset);
/* Dump the leftover to the data dissector. */
call_data_dissector(leftover_tvb, pinfo, root);
}
return tvb_captured_length(tvb);
} /* dissect_zbip_beacon */
/**
*Subdissector command for ZigBee Specific IEs (Information Elements)
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields (unused).
*@param tree pointer to command subtree.
*@param data pointer to the length of the payload IE.
*/
static int
dissect_zbee_ie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_tree *subtree;
tvbuff_t *ie_tvb;
guint16 zigbee_ie;
guint16 id;
guint16 length;
guint pie_length;
guint offset = 0;
static int * const fields[] = {
&hf_ieee802154_zigbee_ie_id,
&hf_ieee802154_zigbee_ie_length,
NULL
};
pie_length = *(gint *)data;
do {
zigbee_ie = tvb_get_letohs(tvb, offset);
id = (zigbee_ie & ZBEE_ZIGBEE_IE_ID_MASK) >> 6;
length = zigbee_ie & ZBEE_ZIGBEE_IE_LENGTH_MASK;
/* Create a subtree for this command frame. */
subtree = proto_tree_add_subtree(tree, tvb, offset, 2+length, ett_zbee_nwk_header, NULL, "ZigBee IE");
proto_item_append_text(subtree, ", %s, Length: %d", val_to_str_const(id, ieee802154_zigbee_ie_names, "Unknown"), length);
proto_tree_add_bitmask(subtree, tvb, offset, hf_ieee802154_zigbee_ie,
ett_zbee_nwk_zigbee_ie_fields, fields, ENC_LITTLE_ENDIAN);
offset += 2;
switch (id) {
case ZBEE_ZIGBEE_IE_REJOIN:
dissect_ieee802154_zigbee_rejoin(tvb, pinfo, subtree, &offset);
break;
case ZBEE_ZIGBEE_IE_TX_POWER:
dissect_ieee802154_zigbee_txpower(tvb, pinfo, subtree, &offset);
break;
case ZBEE_ZIGBEE_IE_BEACON_PAYLOAD:
ie_tvb = tvb_new_subset_length(tvb, offset, ZBEE_NWK_BEACON_LENGTH);
offset += dissect_zbee_beacon(ie_tvb, pinfo, subtree, NULL); /* Legacy ZigBee Beacon */
dissect_ieee802154_superframe(tvb, pinfo, subtree, &offset);
proto_tree_add_item(subtree, hf_ieee802154_zigbee_ie_source_addr, tvb, offset, 2, ENC_NA);
offset += 2;
break;
default:
if (length > 0) { /* just use the data dissector */
call_data_dissector(tvb, pinfo, tree);
offset += length;
}
break;
}
} while (offset < pie_length);
return tvb_captured_length(tvb);
}
/**
*Subdissector for the ZigBee specific TX Power IE (information element)
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields (unused).
*@param tree pointer to command subtree.
*@param offset offset into the tvbuff to begin dissection.
*/
static void
dissect_ieee802154_zigbee_txpower(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint *offset)
{
gint32 txpower;
txpower = (char)tvb_get_guint8(tvb, *offset); /* tx power is a signed byte */
proto_tree_add_item_ret_int(tree, hf_ieee802154_zigbee_ie_tx_power, tvb, *offset, 1, ENC_NA, &txpower);
proto_item_append_text(tree, ", TX Power %d dBm", txpower);
*offset += 1;
}
/**
*Subdissector for the ZigBee specific Rejoin IE (information element)
*
*@param tvb pointer to buffer containing raw packet.
*@param pinfo pointer to packet information fields (unused).
*@param tree pointer to command subtree.
*@param offset offset into the tvbuff to begin dissection.
*/
static void
dissect_ieee802154_zigbee_rejoin(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint *offset)
{
proto_tree *subtree;
subtree = proto_tree_add_subtree(tree, tvb, *offset, 10, ett_zbee_nwk_ie_rejoin, NULL, "ZigBee Rejoin");
proto_tree_add_item(subtree, hf_ieee802154_zigbee_rejoin_epid, tvb, *offset, 8, ENC_LITTLE_ENDIAN);
proto_item_append_text(tree, ", EPID %s", eui64_to_display(pinfo->pool,
tvb_get_guint64(tvb, *offset, ENC_LITTLE_ENDIAN)));
*offset += 8;
proto_tree_add_item(subtree, hf_ieee802154_zigbee_rejoin_source_addr, tvb, *offset, 2, ENC_LITTLE_ENDIAN);
proto_item_append_text(tree, ", Src: 0x%04x",
tvb_get_guint16(tvb, *offset, ENC_LITTLE_ENDIAN));
*offset += 2;
} /* dissect_ieee802154_zigbee_rejoin */
static const char* zbee_nwk_conv_get_filter_type(conv_item_t* conv, conv_filter_type_e filter)
{
if ((filter == CONV_FT_SRC_ADDRESS) && (conv->src_address.type == zbee_nwk_address_type))
return "zbee_nwk.src";
if ((filter == CONV_FT_DST_ADDRESS) && (conv->dst_address.type == zbee_nwk_address_type))
return "zbee_nwk.dst";
if ((filter == CONV_FT_ANY_ADDRESS) && (conv->src_address.type == zbee_nwk_address_type))
return "zbee_nwk.addr";
return CONV_FILTER_INVALID;
}
static ct_dissector_info_t zbee_nwk_ct_dissector_info = {&zbee_nwk_conv_get_filter_type };
static tap_packet_status zbee_nwk_conversation_packet(void *pct, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
{
conv_hash_t *hash = (conv_hash_t*)pct;
add_conversation_table_data(hash, &pinfo->net_src, &pinfo->net_dst, 0, 0, 1,
pinfo->fd->pkt_len, &pinfo->rel_ts, &pinfo->abs_ts,
&zbee_nwk_ct_dissector_info, ENDPOINT_NONE);
return TAP_PACKET_REDRAW;
}
static const char* zbee_nwk_host_get_filter_type(hostlist_talker_t* host, conv_filter_type_e filter)
{
if ((filter == CONV_FT_ANY_ADDRESS) && (host->myaddress.type == zbee_nwk_address_type))
return "zbee_nwk.addr";
return CONV_FILTER_INVALID;
}
static hostlist_dissector_info_t zbee_nwk_host_dissector_info = {&zbee_nwk_host_get_filter_type };
static tap_packet_status zbee_nwk_hostlist_packet(void *pit, packet_info *pinfo, epan_dissect_t *edt _U_, const void *vip _U_)
{
conv_hash_t *hash = (conv_hash_t*)pit;
/* Take two "add" passes per packet, adding for each direction, ensures that all
packets are counted properly (even if address is sending to itself)
XXX - this could probably be done more efficiently inside hostlist_table */
add_hostlist_table_data(hash, &pinfo->net_src, 0, TRUE, 1,
pinfo->fd->pkt_len, &zbee_nwk_host_dissector_info, ENDPOINT_NONE);
add_hostlist_table_data(hash, &pinfo->net_dst, 0, FALSE, 1,
pinfo->fd->pkt_len, &zbee_nwk_host_dissector_info, ENDPOINT_NONE);
return TAP_PACKET_REDRAW;
}
static gboolean zbee_nwk_filter_valid(packet_info *pinfo)
{
return proto_is_frame_protocol(pinfo->layers, "zbee_nwk");
}
static gchar* zbee_nwk_build_filter(packet_info *pinfo)
{
return ws_strdup_printf("zbee_nwk.addr eq %s and zbee_nwk.addr eq %s",
address_to_str(pinfo->pool, &pinfo->net_src),
address_to_str(pinfo->pool, &pinfo->net_dst));
}
/**
*ZigBee protocol registration routine.
*
*/
void proto_register_zbee_nwk(void)
{
static hf_register_info hf[] = {
{ &hf_zbee_nwk_fcf,
{ "Frame Control Field", "zbee_nwk.fcf", FT_UINT16, BASE_HEX, NULL,
0x0, NULL, HFILL }},
{ &hf_zbee_nwk_frame_type,
{ "Frame Type", "zbee_nwk.frame_type", FT_UINT16, BASE_HEX, VALS(zbee_nwk_frame_types),
ZBEE_NWK_FCF_FRAME_TYPE, NULL, HFILL }},
{ &hf_zbee_nwk_proto_version,
{ "Protocol Version", "zbee_nwk.proto_version", FT_UINT16, BASE_DEC, NULL, ZBEE_NWK_FCF_VERSION,
NULL, HFILL }},
{ &hf_zbee_nwk_discover_route,
{ "Discover Route", "zbee_nwk.discovery", FT_UINT16, BASE_HEX, VALS(zbee_nwk_discovery_modes),
ZBEE_NWK_FCF_DISCOVER_ROUTE,
"Determines how route discovery may be handled, if at all.", HFILL }},
{ &hf_zbee_nwk_multicast,
{ "Multicast", "zbee_nwk.multicast", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_MULTICAST,
NULL, HFILL }},
{ &hf_zbee_nwk_security,
{ "Security", "zbee_nwk.security", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_SECURITY,
"Whether or not security operations are performed on the network payload.", HFILL }},
{ &hf_zbee_nwk_source_route,
{ "Source Route", "zbee_nwk.src_route", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_SOURCE_ROUTE,
NULL, HFILL }},
{ &hf_zbee_nwk_ext_dst,
{ "Destination", "zbee_nwk.ext_dst", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_EXT_DEST,
NULL, HFILL }},
{ &hf_zbee_nwk_ext_src,
{ "Extended Source", "zbee_nwk.ext_src", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_EXT_SOURCE,
NULL, HFILL }},
{ &hf_zbee_nwk_end_device_initiator,
{ "End Device Initiator", "zbee_nwk.end_device_initiator", FT_BOOLEAN, 16, NULL, ZBEE_NWK_FCF_END_DEVICE_INITIATOR,
NULL, HFILL }},
{ &hf_zbee_nwk_dst,
{ "Destination", "zbee_nwk.dst", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_src,
{ "Source", "zbee_nwk.src", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_addr,
{ "Address", "zbee_nwk.addr", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_radius,
{ "Radius", "zbee_nwk.radius", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of hops remaining for a range-limited broadcast packet.", HFILL }},
{ &hf_zbee_nwk_seqno,
{ "Sequence Number", "zbee_nwk.seqno", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_mcast,
{ "Multicast Control Field", "zbee_nwk.multicast.cf", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_mcast_mode,
{ "Multicast Mode", "zbee_nwk.multicast.mode", FT_UINT8, BASE_DEC, NULL, ZBEE_NWK_MCAST_MODE,
"Controls whether this packet is permitted to be routed through non-members of the multicast group.",
HFILL }},
{ &hf_zbee_nwk_mcast_radius,
{ "Non-Member Radius", "zbee_nwk.multicast.radius", FT_UINT8, BASE_DEC, NULL, ZBEE_NWK_MCAST_RADIUS,
"Limits the range of multicast packets when being routed through non-members.", HFILL }},
{ &hf_zbee_nwk_mcast_max_radius,
{ "Max Non-Member Radius", "zbee_nwk.multicast.max_radius", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_MCAST_MAX_RADIUS, NULL, HFILL }},
{ &hf_zbee_nwk_dst64,
{ "Destination", "zbee_nwk.dst64", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_src64,
{ "Extended Source", "zbee_nwk.src64", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_addr64,
{ "Extended Address", "zbee_nwk.addr64", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_src64_origin,
{ "Origin", "zbee_nwk.src64.origin", FT_FRAMENUM, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_relay_count,
{ "Relay Count", "zbee_nwk.relay.count", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of entries in the relay list.", HFILL }},
{ &hf_zbee_nwk_relay_index,
{ "Relay Index", "zbee_nwk.relay.index", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of relays required to route to the source device.", HFILL }},
{ &hf_zbee_nwk_relay,
{ "Relay", "zbee_nwk.relay", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_id,
{ "Command Identifier", "zbee_nwk.cmd.id", FT_UINT8, BASE_HEX, VALS(zbee_nwk_cmd_names), 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_addr,
{ "Address", "zbee_nwk.cmd.addr", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_id,
{ "Route ID", "zbee_nwk.cmd.route.id", FT_UINT8, BASE_DEC, NULL, 0x0,
"A sequence number for routing commands.", HFILL }},
{ &hf_zbee_nwk_cmd_route_dest,
{ "Destination", "zbee_nwk.cmd.route.dest", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_orig,
{ "Originator", "zbee_nwk.cmd.route.orig", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_resp,
{ "Responder", "zbee_nwk.cmd.route.resp", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_dest_ext,
{ "Extended Destination", "zbee_nwk.cmd.route.dest_ext", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_orig_ext,
{ "Extended Originator", "zbee_nwk.cmd.route.orig_ext", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_resp_ext,
{ "Extended Responder", "zbee_nwk.cmd.route.resp_ext", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_cost,
{ "Path Cost", "zbee_nwk.cmd.route.cost", FT_UINT8, BASE_DEC, NULL, 0x0,
"A value specifying the efficiency of this route.", HFILL }},
{ &hf_zbee_nwk_cmd_route_options,
{ "Command Options", "zbee_nwk.cmd.route.opts", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_repair,
{ "Route Repair", "zbee_nwk.cmd.route.opts.repair", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ROUTE_OPTION_REPAIR,
"Flag identifying whether the route request command was to repair a failed route.", HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_multicast,
{ "Multicast", "zbee_nwk.cmd.route.opts.mcast", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ROUTE_OPTION_MCAST,
"Flag identifying this as a multicast route request.", HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_dest_ext,
{ "Extended Destination", "zbee_nwk.cmd.route.opts.dest_ext", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ROUTE_OPTION_DEST_EXT, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_resp_ext,
{ "Extended Responder", "zbee_nwk.cmd.route.opts.resp_ext", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ROUTE_OPTION_RESP_EXT, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_orig_ext,
{ "Extended Originator", "zbee_nwk.cmd.route.opts.orig_ext", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ROUTE_OPTION_ORIG_EXT, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_route_opt_many_to_one,
{ "Many-to-One Discovery", "zbee_nwk.cmd.route.opts.many2one", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_cmd_route_many_modes), ZBEE_NWK_CMD_ROUTE_OPTION_MANY_MASK,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_nwk_status,
{ "Status Code", "zbee_nwk.cmd.status", FT_UINT8, BASE_HEX, VALS(zbee_nwk_status_codes), 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_nwk_status_command_id,
{ "Unknown Command ID", "zbee_nwk.cmd.status.unknown_command_id", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_cmd_names), 0x0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_leave_rejoin,
{ "Rejoin", "zbee_nwk.cmd.leave.rejoin", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_LEAVE_OPTION_REJOIN, "Flag instructing the device to rejoin the network.", HFILL }},
{ &hf_zbee_nwk_cmd_leave_request,
{ "Request", "zbee_nwk.cmd.leave.request", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_LEAVE_OPTION_REQUEST,
"Flag identifying the direction of this command. 1=Request, 0=Indication", HFILL }},
{ &hf_zbee_nwk_cmd_leave_children,
{ "Remove Children", "zbee_nwk.cmd.leave.children", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_LEAVE_OPTION_CHILDREN,
"Flag instructing the device to remove its children in addition to itself.", HFILL }},
{ &hf_zbee_nwk_cmd_relay_count,
{ "Relay Count", "zbee_nwk.cmd.relay_count", FT_UINT8, BASE_DEC, NULL, 0x0,
"Number of relays required to route to the destination.", HFILL }},
{ &hf_zbee_nwk_cmd_relay_device,
{ "Relay Device", "zbee_nwk.cmd.relay_device", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_cinfo,
{ "Capability Information", "zbee_nwk.cmd.cinfo", FT_UINT8, BASE_HEX, NULL,
0x0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_alt_coord,
{ "Alternate Coordinator", "zbee_nwk.cmd.cinfo.alt_coord", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_ALT_PAN_COORD,
"Indicates that the device is able to operate as a PAN coordinator.", HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_type,
{ "Full-Function Device", "zbee_nwk.cmd.cinfo.ffd", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_DEVICE_TYPE, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_power,
{ "AC Power", "zbee_nwk.cmd.cinfo.power", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_POWER_SRC, "Indicates this device is using AC/Mains power.", HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_idle_rx,
{ "Rx On When Idle", "zbee_nwk.cmd.cinfo.on_idle", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_IDLE_RX,
"Indicates the receiver is active when the device is idle.", HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_security,
{ "Security Capability", "zbee_nwk.cmd.cinfo.security", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_SEC_CAPABLE,
"Indicates this device is capable of performing encryption/decryption.", HFILL }},
{ &hf_zbee_nwk_cmd_cinfo_alloc,
{ "Allocate Short Address", "zbee_nwk.cmd.cinfo.alloc", FT_BOOLEAN, 8, NULL,
IEEE802154_CMD_CINFO_ALLOC_ADDR,
"Flag requesting the parent to allocate a short address for this device.", HFILL }},
{ &hf_zbee_nwk_cmd_rejoin_status,
{ "Status", "zbee_nwk.cmd.rejoin_status", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_rejoin_codes), 0x0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_last,
{ "Last Frame", "zbee_nwk.cmd.link.last", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_LINK_OPTION_LAST_FRAME,
"Flag indicating the last in a series of link status commands.", HFILL }},
{ &hf_zbee_nwk_cmd_link_first,
{ "First Frame", "zbee_nwk.cmd.link.first", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_LINK_OPTION_FIRST_FRAME,
"Flag indicating the first in a series of link status commands.", HFILL }},
{ &hf_zbee_nwk_cmd_link_count,
{ "Link Status Count", "zbee_nwk.cmd.link.count", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_CMD_LINK_OPTION_COUNT_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_address,
{ "Address", "zbee_nwk.cmd.link.address", FT_UINT16, BASE_HEX, NULL,
0x0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_incoming_cost,
{ "Incoming Cost", "zbee_nwk.cmd.link.incoming_cost", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_CMD_LINK_INCOMMING_COST_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_outgoing_cost,
{ "Outgoing Cost", "zbee_nwk.cmd.link.outgoing_cost", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_CMD_LINK_OUTGOING_COST_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_report_type,
{ "Report Type", "zbee_nwk.cmd.report.type", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_report_types), ZBEE_NWK_CMD_NWK_REPORT_ID_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_report_count,
{ "Report Information Count", "zbee_nwk.cmd.report.count", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_CMD_NWK_REPORT_COUNT_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_update_type,
{ "Update Type", "zbee_nwk.cmd.update.type", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_update_types), ZBEE_NWK_CMD_NWK_UPDATE_ID_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_update_count,
{ "Update Information Count", "zbee_nwk.cmd.update.count", FT_UINT8, BASE_DEC, NULL,
ZBEE_NWK_CMD_NWK_UPDATE_COUNT_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_update_id,
{ "Update ID", "zbee_nwk.cmd.update.id", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_panid,
{ "PAN ID", "zbee_nwk.panid", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_zboss_nwk_cmd_key,
{ "ZBOSS Key", "zbee_nwk.zboss_key", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_epid,
{ "Extended PAN ID", "zbee_nwk.cmd.epid", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_end_device_timeout_request_enum,
{ "Requested Timeout Enumeration", "zbee_nwk.cmd.ed_tmo_req", FT_UINT8, BASE_DEC,
VALS(zbee_nwk_end_device_timeout_request), 0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_end_device_configuration,
{ "End Device Configuration", "zbee_nwk.cmd.ed_config", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_end_device_timeout_resp_status,
{ "Status", "zbee_nwk.cmd.ed_tmo_rsp_status", FT_UINT8, BASE_DEC,
VALS(zbee_nwk_end_device_timeout_resp_status), 0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_end_device_timeout_resp_parent_info,
{ "Parent Information", "zbee_nwk.cmd.ed_prnt_info", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_prnt_info_mac_data_poll_keepalive_supported,
{ "MAC Data Poll Keepalive", "zbee_nwk.cmd.ed_prnt_info.mac_data_poll_keepalive", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ED_TIMEO_RSP_PRNT_INFO_MAC_DATA_POLL_KEEPAL_SUPP,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_prnt_info_ed_to_req_keepalive_supported,
{ "End Device Timeout Request Keepalive", "zbee_nwk.cmd.ed_prnt_info.ed_tmo_req_keepalive", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ED_TIMEO_RSP_PRNT_INFO_ED_TIMOU_REQ_KEEPAL_SUPP,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_prnt_info_power_negotiation_supported,
{ "Power Negotiation Supported", "zbee_nwk.cmd.power_negotiation_supported", FT_BOOLEAN, 8, NULL,
ZBEE_NWK_CMD_ED_TIMEO_RSP_PRNT_INFO_PWR_NEG_SUPP,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_pwr_type,
{ "Type", "zbee_nwk.cmd.link_pwr_delta.type", FT_UINT8, BASE_HEX,
VALS(zbee_nwk_link_power_delta_types), ZBEE_NWK_CMD_NWK_LINK_PWR_DELTA_TYPE_MASK, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_pwr_list_count,
{ "Structure Count", "zbee_nwk.cmd.link_pwr_delta.list_count", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_pwr_device_address,
{ "Device Address", "zbee_nwk.cmd.link_pwr_delta.address", FT_UINT16, BASE_HEX, NULL,
0x0, NULL, HFILL }},
{ &hf_zbee_nwk_cmd_link_pwr_power_delta,
{ "Power Delta", "zbee_nwk.cmd.link_pwr_delta.power_delta", FT_INT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_beacon_protocol,
{ "Protocol ID", "zbee_beacon.protocol", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbee_beacon_stack_profile,
{ "Stack Profile", "zbee_beacon.profile", FT_UINT16, BASE_HEX,
VALS(zbee_nwk_stack_profiles), ZBEE_NWK_BEACON_STACK_PROFILE, NULL, HFILL }},
{ &hf_zbee_beacon_version,
{ "Protocol Version", "zbee_beacon.version", FT_UINT16, BASE_DEC, NULL, ZBEE_NWK_BEACON_PROTOCOL_VERSION,
NULL, HFILL }},
{ &hf_zbee_beacon_router_capacity,
{ "Router Capacity", "zbee_beacon.router", FT_BOOLEAN, 16, NULL, ZBEE_NWK_BEACON_ROUTER_CAPACITY,
"Whether the device can accept join requests from routing capable devices.", HFILL }},
{ &hf_zbee_beacon_depth,
{ "Device Depth", "zbee_beacon.depth", FT_UINT16, BASE_DEC, NULL, ZBEE_NWK_BEACON_NETWORK_DEPTH,
"The tree depth of the device, 0 indicates the network coordinator.", HFILL }},
{ &hf_zbee_beacon_end_device_capacity,
{ "End Device Capacity", "zbee_beacon.end_dev", FT_BOOLEAN, 16, NULL, ZBEE_NWK_BEACON_END_DEVICE_CAPACITY,
"Whether the device can accept join requests from ZigBee end devices.", HFILL }},
{ &hf_zbee_beacon_epid,
{ "Extended PAN ID", "zbee_beacon.ext_panid", FT_EUI64, BASE_NONE, NULL, 0x0,
"Extended PAN identifier.", HFILL }},
{ &hf_zbee_beacon_tx_offset,
{ "Tx Offset", "zbee_beacon.tx_offset", FT_UINT24, BASE_DEC, NULL, 0x0,
"The time difference between a device and its parent's beacon.", HFILL }},
{ &hf_zbee_beacon_update_id,
{ "Update ID", "zbee_beacon.update_id", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_zbip_beacon_allow_join,
{ "Allow Join", "zbip_beacon.allow_join", FT_BOOLEAN, 8, NULL, ZBEE_IP_BEACON_ALLOW_JOIN,
NULL, HFILL }},
{ &hf_zbip_beacon_router_capacity,
{ "Router Capacity", "zbip_beacon.router", FT_BOOLEAN, 8, NULL, ZBEE_IP_BEACON_ROUTER_CAPACITY,
"Whether this device can accept new routers on the network.", HFILL }},
{ &hf_zbip_beacon_host_capacity,
{ "Host Capacity", "zbip_beacon.host", FT_BOOLEAN, 8, NULL, ZBEE_IP_BEACON_HOST_CAPACITY,
"Whether this device can accept new host on the network.", HFILL }},
{ &hf_zbip_beacon_unsecure,
{ "Unsecure Network", "zbip_beacon.unsecure", FT_BOOLEAN, 8, NULL, ZBEE_IP_BEACON_UNSECURE,
"Indicates that this network is not using link layer security.", HFILL }},
{ &hf_zbip_beacon_network_id,
{ "Network ID", "zbip_beacon.network_id", FT_STRING, BASE_NONE, NULL, 0x0,
"A string that uniquely identifies this network.", HFILL }},
{ &hf_ieee802154_zigbee_ie,
{ "IE header", "zbee_nwk.zigbee_ie", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
{ &hf_ieee802154_zigbee_ie_id,
{ "Id", "zbee_nwk.zigbee_ie.id", FT_UINT16, BASE_HEX, VALS(ieee802154_zigbee_ie_names),
ZBEE_ZIGBEE_IE_ID_MASK, NULL, HFILL }},
{ &hf_ieee802154_zigbee_ie_length,
{ "Length", "zbee_nwk.zigbee_ie.length", FT_UINT16, BASE_DEC, NULL,
ZBEE_ZIGBEE_IE_LENGTH_MASK, NULL, HFILL }},
{ &hf_ieee802154_zigbee_ie_tx_power,
{ "Tx Power (dBm)", "zbee_nwk.zigbee_ie.tx_power", FT_INT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
{ &hf_ieee802154_zigbee_ie_source_addr,
{ "Source Address", "zbee_nwk.zigbee_ie.source_address", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
{ &hf_ieee802154_zigbee_rejoin_epid,
{ "Extended PAN ID", "zbee_nwk.zigbee_rejoin.ext_panid", FT_EUI64, BASE_NONE, NULL, 0x0,
"Extended PAN identifier", HFILL }},
{ &hf_ieee802154_zigbee_rejoin_source_addr,
{ "Source Address", "zbee_nwk.zigbee_rejoin.source_address", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
};
/* NWK Layer subtrees */
static gint *ett[] = {
&ett_zbee_nwk,
&ett_zbee_nwk_beacon,
&ett_zbee_nwk_fcf,
&ett_zbee_nwk_fcf_ext,
&ett_zbee_nwk_mcast,
&ett_zbee_nwk_route,
&ett_zbee_nwk_cmd,
&ett_zbee_nwk_cmd_options,
&ett_zbee_nwk_cmd_cinfo,
&ett_zbee_nwk_cmd_link,
&ett_zbee_nwk_cmd_ed_to_rsp_prnt_info,
&ett_zbee_nwk_cmd_link_pwr_struct,
&ett_zbee_nwk_zigbee_ie_fields,
&ett_zbee_nwk_ie_rejoin,
&ett_zbee_nwk_header,
&ett_zbee_nwk_header_ie,
&ett_zbee_nwk_beacon_bitfield,
};
static ei_register_info ei[] = {
{ &ei_zbee_nwk_missing_payload, { "zbee_nwk.missing_payload", PI_MALFORMED, PI_ERROR, "Missing Payload", EXPFILL }},
};
expert_module_t* expert_zbee_nwk;
register_init_routine(proto_init_zbee_nwk);
register_cleanup_routine(proto_cleanup_zbee_nwk);
/* Register the protocol with Wireshark. */
proto_zbee_nwk = proto_register_protocol("ZigBee Network Layer", "ZigBee", ZBEE_PROTOABBREV_NWK);
proto_zbee_beacon = proto_register_protocol("ZigBee Beacon", "ZigBee Beacon", "zbee_beacon");
proto_zbip_beacon = proto_register_protocol("ZigBee IP Beacon", "ZigBee IP Beacon", "zbip_beacon");
proto_zbee_ie = proto_register_protocol("ZigBee IE", "ZigBee IE", "zbee_ie");
proto_register_field_array(proto_zbee_nwk, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_zbee_nwk = expert_register_protocol(proto_zbee_nwk);
expert_register_field_array(expert_zbee_nwk, ei, array_length(ei));
/* Register the dissectors with Wireshark. */
register_dissector(ZBEE_PROTOABBREV_NWK, dissect_zbee_nwk, proto_zbee_nwk);
register_dissector("zbee_beacon", dissect_zbee_beacon, proto_zbee_beacon);
register_dissector("zbip_beacon", dissect_zbip_beacon, proto_zbip_beacon);
register_dissector("zbee_ie", dissect_zbee_ie, proto_zbee_ie);
zbee_nwk_address_type = address_type_dissector_register("AT_ZIGBEE", "ZigBee 16-bit address",
zbee_nwk_address_to_str, zbee_nwk_address_str_len, NULL, NULL, zbee_nwk_address_len, NULL, NULL);
/* Register the Security dissector. */
zbee_security_register(NULL, proto_zbee_nwk);
zbee_nwk_tap = register_tap(ZBEE_PROTOABBREV_NWK);
register_conversation_table(proto_zbee_nwk, TRUE, zbee_nwk_conversation_packet, zbee_nwk_hostlist_packet);
register_conversation_filter(ZBEE_PROTOABBREV_NWK, "ZigBee Network Layer", zbee_nwk_filter_valid, zbee_nwk_build_filter);
} /* proto_register_zbee_nwk */
/**
*Registers the zigbee dissector with Wireshark.
*
*/
void proto_reg_handoff_zbee_nwk(void)
{
/* Find the other dissectors we need. */
aps_handle = find_dissector_add_dependency(ZBEE_PROTOABBREV_APS, proto_zbee_nwk);
zbee_gp_handle = find_dissector_add_dependency(ZBEE_PROTOABBREV_NWK_GP, proto_zbee_nwk);
/* Register our dissector with IEEE 802.15.4 */
dissector_add_for_decode_as(IEEE802154_PROTOABBREV_WPAN_PANID, find_dissector(ZBEE_PROTOABBREV_NWK));
heur_dissector_add(IEEE802154_PROTOABBREV_WPAN_BEACON, dissect_zbee_beacon_heur, "ZigBee Beacon", "zbee_wpan_beacon", proto_zbee_beacon, HEURISTIC_ENABLE);
heur_dissector_add(IEEE802154_PROTOABBREV_WPAN_BEACON, dissect_zbip_beacon_heur, "ZigBee IP Beacon", "zbip_wpan_beacon", proto_zbip_beacon, HEURISTIC_ENABLE);
heur_dissector_add(IEEE802154_PROTOABBREV_WPAN, dissect_zbee_nwk_heur, "ZigBee Network Layer over IEEE 802.15.4", "zbee_nwk_wpan", proto_zbee_nwk, HEURISTIC_ENABLE);
} /* proto_reg_handoff_zbee */
static void free_keyring_key(gpointer key)
{
g_free(key);
}
static void free_keyring_val(gpointer a)
{
GSList **slist = (GSList **)a;
g_slist_free_full(*slist, g_free);
g_free(slist);
}
/**
*Init routine for the nwk dissector. Creates a
*
*/
static void
proto_init_zbee_nwk(void)
{
zbee_nwk_map.short_table = g_hash_table_new(ieee802154_short_addr_hash, ieee802154_short_addr_equal);
zbee_nwk_map.long_table = g_hash_table_new(ieee802154_long_addr_hash, ieee802154_long_addr_equal);
zbee_table_nwk_keyring = g_hash_table_new_full(g_int_hash, g_int_equal, free_keyring_key, free_keyring_val);
} /* proto_init_zbee_nwk */
static void
proto_cleanup_zbee_nwk(void)
{
g_hash_table_destroy(zbee_nwk_map.short_table);
g_hash_table_destroy(zbee_nwk_map.long_table);
g_hash_table_destroy(zbee_table_nwk_keyring);
}
/*
* 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:
*/