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wireshark/epan/dissectors/packet-wisun.c

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/* packet-wisun.c
*
* Wi-SUN IE Dissectors for Wireshark
* By Owen Kirby <osk@exegin.com>
* Copyright 2007 Exegin Technologies Limited
*
* SPDX-License-Identifier: GPL-2.0-or-later
*------------------------------------------------------------
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/decode_as.h>
#include <epan/exceptions.h>
#include <epan/expert.h>
#include <epan/addr_resolv.h>
#include <epan/address_types.h>
#include <epan/prefs.h>
#include <epan/strutil.h>
#include <epan/to_str.h>
#include <epan/show_exception.h>
#include <epan/proto_data.h>
#include <epan/etypes.h>
#include <epan/oui.h>
#include <wsutil/pint.h>
#include <wmem/wmem_map.h>
#include <wmem/wmem_tree.h>
#include "packet-ieee802154.h"
void proto_register_wisun(void);
void proto_reg_handoff_wisun(void);
/* EDFE support */
typedef struct {
ieee802154_map_rec initiator; // use start_fnum and end_fnum to record exchange start/end
ieee802154_map_rec target;
} edfe_exchange_t;
// for each exchange, maps both source address and destination address to a
// (distinct) tree that uses the frame number of the first exchange frame to
// map to the shared edfe_exchange_t
static wmem_map_t* edfe_byaddr;
static dissector_handle_t eapol_handle; // for the eapol relay
/* Wi-SUN Header IE Sub-ID Values. */
#define WISUN_SUBID_UTT 1
#define WISUN_SUBID_BT 2
#define WISUN_SUBID_FC 3
#define WISUN_SUBID_RSL 4
#define WISUN_SUBID_MHDS 5
#define WISUN_SUBID_VH 6
#define WISUN_SUBID_EA 9
/* Wi-SUN Payload/Nested ID values. */
#define WISUN_PIE_SUBID_US 1
#define WISUN_PIE_SUBID_BS 2
#define WISUN_PIE_SUBID_VP 3
#define WISUN_PIE_SUBID_PAN 4
#define WISUN_PIE_SUBID_NETNAME 5
#define WISUN_PIE_SUBID_PENVER 6
#define WISUN_PIE_SUBID_GTKHASH 7
#define WISUN_CHANNEL_PLAN 0x07
#define WISUN_CHANNEL_FUNCTION 0x38
#define WISUN_CHANNEL_EXCLUDE 0xc0
#define WISUN_CHANNEL_PLAN_REGULATORY 0
#define WISUN_CHANNEL_PLAN_SPACING 1
#define WISUN_CHANNEL_FUNCTION_FIXED 0
#define WISUN_CHANNEL_FUNCTION_TR51CF 1
#define WISUN_CHANNEL_FUNCTION_DH1CF 2
#define WISUN_CHANNEL_FUNCTION_VENDOR 3
#define WISUN_CHANNEL_EXCLUDE_NONE 0
#define WISUN_CHANNEL_EXCLUDE_RANGE 1
#define WISUN_CHANNEL_EXCLUDE_MASK 2
#define WISUN_EAPOL_RELAY_UDP_PORT 10253
static int proto_wisun = -1;
static int hf_wisun_subid = -1;
static int hf_wisun_unknown_ie = -1;
static int hf_wisun_uttie = -1;
static int hf_wisun_uttie_type = -1;
static int hf_wisun_uttie_ufsi = -1;
static int hf_wisun_btie = -1;
static int hf_wisun_btie_slot = -1;
static int hf_wisun_btie_bfio = -1;
static int hf_wisun_fcie = -1;
static int hf_wisun_fcie_tx = -1;
static int hf_wisun_fcie_rx = -1;
static int hf_wisun_fcie_src = -1;
static int hf_wisun_fcie_initial_frame = -1;
static int hf_wisun_rslie = -1;
static int hf_wisun_rslie_rsl = -1;
static int hf_wisun_vhie = -1;
static int hf_wisun_vhie_vid = -1;
static int hf_wisun_eaie = -1;
static int hf_wisun_eaie_eui = -1;
static int hf_wisun_pie = -1;
static int hf_wisun_wsie = -1;
static int hf_wisun_wsie_type = -1;
static int hf_wisun_wsie_id = -1;
static int hf_wisun_wsie_length = -1;
static int hf_wisun_wsie_id_short = -1;
static int hf_wisun_wsie_length_short = -1;
static int hf_wisun_usie = -1;
static int hf_wisun_usie_dwell_interval = -1;
static int hf_wisun_usie_clock_drift = -1;
static int hf_wisun_usie_timing_accuracy = -1;
static int hf_wisun_usie_channel_control = -1;
static int hf_wisun_usie_channel_plan = -1;
static int hf_wisun_usie_channel_function = -1;
static int hf_wisun_usie_channel_exclude = -1;
static int hf_wisun_usie_regulatory_domain = -1;
static int hf_wisun_usie_operating_class = -1;
static int hf_wisun_usie_channel_frequency = -1;
static int hf_wisun_usie_channel_spacing = -1;
static int hf_wisun_usie_number_channels = -1;
static int hf_wisun_usie_fixed_channel = -1;
static int hf_wisun_usie_hop_count = -1;
static int hf_wisun_usie_hop_list = -1;
static int hf_wisun_usie_number_ranges = -1;
static int hf_wisun_usie_exclude_range = -1;
static int hf_wisun_usie_exclude_mask = -1;
static int hf_wisun_bsie = -1;
static int hf_wisun_bsie_bcast_interval = -1;
static int hf_wisun_bsie_bcast_schedule_id = -1;
static int hf_wisun_vpie = -1;
static int hf_wisun_vpie_vid = -1;
static int hf_wisun_panie = -1;
static int hf_wisun_panie_size = -1;
static int hf_wisun_panie_cost = -1;
static int hf_wisun_panie_flags = -1;
static int hf_wisun_panie_flag_parent_bsie = -1;
static int hf_wisun_panie_flag_routing_method = -1;
static int hf_wisun_panie_flag_eapol_ready = -1;
static int hf_wisun_panie_flag_version = -1;
static int hf_wisun_netnameie = -1;
static int hf_wisun_netnameie_name = -1;
static int hf_wisun_panverie = -1;
static int hf_wisun_panverie_version = -1;
static int hf_wisun_gtkhashie = -1;
static int hf_wisun_gtkhashie_gtk0 = -1;
static int hf_wisun_gtkhashie_gtk1 = -1;
static int hf_wisun_gtkhashie_gtk2 = -1;
static int hf_wisun_gtkhashie_gtk3 = -1;
static int proto_wisun_sec = -1;
static int hf_wisun_sec_function = -1;
static int hf_wisun_sec_error_type = -1;
static int hf_wisun_sec_error_nonce = -1;
// EAPOL Relay
static dissector_handle_t wisun_eapol_relay_handle;
static int proto_wisun_eapol_relay = -1;
static int hf_wisun_eapol_relay_sup = -1;
static int hf_wisun_eapol_relay_kmp_id = -1;
static int hf_wisun_eapol_relay_direction = -1;
static gint ett_wisun_unknown_ie = -1;
static gint ett_wisun_uttie = -1;
static gint ett_wisun_btie = -1;
static gint ett_wisun_fcie = -1;
static gint ett_wisun_rslie = -1;
static gint ett_wisun_vhie = -1;
static gint ett_wisun_eaie = -1;
static gint ett_wisun_pie = -1;
static gint ett_wisun_wsie_bitmap = -1;
static gint ett_wisun_usie = -1;
static gint ett_wisun_bsie = -1;
static gint ett_wisun_vpie = -1;
static gint ett_wisun_usie_channel_control;
static gint ett_wisun_panie = -1;
static gint ett_wisun_panie_flags = -1;
static gint ett_wisun_netnameie = -1;
static gint ett_wisun_panverie = -1;
static gint ett_wisun_gtkhashie = -1;
static gint ett_wisun_sec = -1;
static gint ett_wisun_eapol_relay = -1;
static const value_string wisun_wsie_types[] = {
{ 0, "Short" },
{ 1, "Long" },
{ 0, NULL }
};
static const value_string wisun_subid_vals[] = {
{ WISUN_SUBID_UTT, "Unicast Timing IE" },
{ WISUN_SUBID_BT, "Broadcast Timing IE" },
{ WISUN_SUBID_FC, "Flow Control IE" },
{ WISUN_SUBID_RSL, "Received Signal Level IE" },
{ WISUN_SUBID_MHDS, "Multi-Hop Delivery Service IE" },
{ WISUN_SUBID_VH, "Vendor Header IE" },
{ WISUN_SUBID_EA, "EAPOL Authenticator EUI-64 IE" },
{ 0, NULL }
};
static const value_string wisun_wsie_names[] = {
{ WISUN_PIE_SUBID_US, "Unicast Schedule IE" },
{ WISUN_PIE_SUBID_BS, "Broadcast Schedule IE" },
{ WISUN_PIE_SUBID_VP, "Vendor Payload IE" },
{ WISUN_PIE_SUBID_PAN, "PAN Information IE" },
{ WISUN_PIE_SUBID_NETNAME, "Network Name IE" },
{ WISUN_PIE_SUBID_PENVER, "PAN Version IE" },
{ WISUN_PIE_SUBID_GTKHASH, "GTK Hash IE" },
{ 0, NULL }
};
static const value_string wisun_frame_type_vals[] = {
{ 0, "PAN Advertisement" },
{ 1, "PAN Advertisement Solicit" },
{ 2, "PAN Configuration" },
{ 3, "PAN Configuration Solicit" },
{ 4, "Data" },
{ 5, "Acknowledgment" },
{ 6, "EAPOL" },
{ 0, NULL }
};
static const value_string wisun_channel_plan_names[] = {
{ WISUN_CHANNEL_PLAN_REGULATORY, "Regulatory Domain and Operating Class" },
{ WISUN_CHANNEL_PLAN_SPACING, "Channel Spacing and Number" },
{ 0, NULL }
};
static const value_string wisun_channel_function_names[] = {
{ WISUN_CHANNEL_FUNCTION_FIXED, "Fixed Channel" },
{ WISUN_CHANNEL_FUNCTION_TR51CF, "TR51 Channel Function" },
{ WISUN_CHANNEL_FUNCTION_DH1CF, "Direct Hash Channel Function" },
{ WISUN_CHANNEL_FUNCTION_VENDOR, "Vendor Defined Channel Function" },
{ 0, NULL }
};
static const value_string wisun_channel_exclude_names[] = {
{ WISUN_CHANNEL_EXCLUDE_NONE, "None" },
{ WISUN_CHANNEL_EXCLUDE_RANGE, "Ranges" },
{ WISUN_CHANNEL_EXCLUDE_MASK, "Bitmask" },
{ 0, NULL }
};
static const value_string wisun_channel_spacing_names[] = {
{ 0, "200 kHz" },
{ 1, "400 kHz" },
{ 2, "600 kHz" },
{ 0, NULL }
};
static const value_string wisun_routing_methods[] = {
{ 0, "RPL" },
{ 1, "MHDS" },
{ 0, NULL }
};
static const value_string wisun_sec_functions[] = {
{ 0x01, "SM Error" },
{ 0, NULL }
};
static const value_string wisun_sec_sm_errors[] = {
{ 0x01, "No Session" },
{ 0x02, "Unavailable Key" },
{ 0x03, "Unsupported Security" },
{ 0x04, "Invalid Parameter" },
{ 0x06, "Unsupported Security" },
{ 0, NULL }
};
static const int * wisun_format_nested_ie[] = {
&hf_wisun_wsie_type,
&hf_wisun_wsie_id,
&hf_wisun_wsie_length,
NULL
};
static const int * wisun_format_nested_ie_short[] = {
&hf_wisun_wsie_type,
&hf_wisun_wsie_id_short,
&hf_wisun_wsie_length_short,
NULL
};
static expert_field ei_wisun_subid_unsupported = EI_INIT;
static expert_field ei_wisun_wsie_unsupported = EI_INIT;
static expert_field ei_wisun_usie_channel_plan_invalid = EI_INIT;
static expert_field ei_wisun_edfe_start_not_found = EI_INIT;
static int
wisun_add_wbxml_uint(tvbuff_t *tvb, proto_tree *tree, int hf, guint offset)
{
guint val = 0;
guint len = 0;
guint8 b;
do {
b = tvb_get_guint8(tvb, offset + len++);
val = (val << 7) | (b & 0x7f);
} while (b & 0x80);
proto_tree_add_uint(tree, hf, tvb, offset, len, val);
return len;
}
/*-----------------------------------------------
* Wi-SUN Header IE Dissection
*---------------------------------------------*/
static proto_tree *
wisun_create_hie_tree(tvbuff_t *tvb, proto_tree *tree, int hf, gint ett)
{
proto_tree *subtree = ieee802154_create_hie_tree(tvb, tree, hf, ett);
proto_tree_add_item(subtree, hf_wisun_subid, tvb, 2, 1, ENC_LITTLE_ENDIAN);
return subtree;
}
static int
dissect_wisun_uttie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
guint8 frame_type = tvb_get_guint8(tvb, offset);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Wi-SUN");
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(frame_type, wisun_frame_type_vals, "Unknown Wi-SUN Frame"));
proto_tree_add_item(tree, hf_wisun_uttie_type, tvb, offset, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(tree, hf_wisun_uttie_ufsi, tvb, offset+1, 3, ENC_LITTLE_ENDIAN);
return 4;
}
static int
dissect_wisun_btie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset)
{
proto_tree_add_item(tree, hf_wisun_btie_slot, tvb, offset, 2, ENC_LITTLE_ENDIAN);
/* as of FAN TPS 1v14, this is 3 bytes instead of 4 */
proto_tree_add_item(tree, hf_wisun_btie_bfio, tvb, offset+2, 3, ENC_LITTLE_ENDIAN);
return 5;
}
static void
edfe_insert_exchange(guint64* addr, edfe_exchange_t* exchange)
{
wmem_tree_t* byframe = (wmem_tree_t *)wmem_map_lookup(edfe_byaddr, addr);
if (!byframe) {
byframe = wmem_tree_new(wmem_file_scope());
wmem_map_insert(edfe_byaddr, addr, byframe);
}
wmem_tree_insert32(byframe, exchange->initiator.start_fnum, exchange);
}
static int
dissect_wisun_fcie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset, ieee802154_packet *packet)
{
nstime_t ts;
ts.secs = 0;
guint8 tx = tvb_get_guint8(tvb, offset);
ts.nsecs = tx * 1000000;
proto_tree_add_time(tree, hf_wisun_fcie_tx, tvb, offset, 1, &ts);
guint8 rx = tvb_get_guint8(tvb, offset + 1);
ts.nsecs = rx * 1000000;
proto_tree_add_time(tree, hf_wisun_fcie_rx, tvb, offset + 1, 1, &ts);
// EDFE processing
ieee802154_hints_t* hints = (ieee802154_hints_t *)p_get_proto_data(wmem_file_scope(), pinfo,
proto_get_id_by_filter_name(IEEE802154_PROTOABBREV_WPAN), 0);
if (packet && hints && packet->dst_addr_mode == IEEE802154_FCF_ADDR_EXT) {
// first packet has source address
if (!hints->map_rec && packet->src_addr_mode == IEEE802154_FCF_ADDR_EXT) {
edfe_exchange_t* ex = wmem_new(wmem_file_scope(), edfe_exchange_t);
ex->initiator.proto = "Wi-SUN";
ex->target.proto = "Wi-SUN";
ex->initiator.start_fnum = pinfo->num;
ex->target.start_fnum = pinfo->num;
ex->initiator.end_fnum = ~(guint)0;
ex->target.end_fnum = ~(guint)0;
ex->initiator.addr64 = packet->src64;
ex->target.addr64 = packet->dst64;
edfe_insert_exchange(&ex->initiator.addr64, ex);
edfe_insert_exchange(&ex->target.addr64, ex);
} else if (packet->src_addr_mode == IEEE802154_FCF_ADDR_NONE) {
if (!hints->map_rec) {
wmem_tree_t* byframe = (wmem_tree_t *)wmem_map_lookup(edfe_byaddr, &packet->dst64);
if (byframe) {
edfe_exchange_t *ex = (edfe_exchange_t *)wmem_tree_lookup32_le(byframe, pinfo->num);
if (ex && pinfo->num <= ex->initiator.end_fnum) {
hints->map_rec = ex->initiator.addr64 == packet->dst64 ? &ex->target : &ex->initiator;
if (tx == 0 && rx == 0) {
// last frame
ex->initiator.end_fnum = pinfo->num;
}
}
}
}
if (hints->map_rec) {
// Set address to ensure that 6LoWPAN reassembly works
// Adapted from packet-ieee802.15.4.c
guint64 *p_addr = wmem_new(pinfo->pool, guint64);
/* Copy and convert the address to network byte order. */
*p_addr = pntoh64(&(hints->map_rec->addr64));
set_address(&pinfo->dl_src, AT_EUI64, 8, p_addr);
copy_address_shallow(&pinfo->src, &pinfo->dl_src);
proto_item* src = proto_tree_add_eui64(tree, hf_wisun_fcie_src, tvb, 0, 0, hints->map_rec->addr64);
PROTO_ITEM_SET_GENERATED(src);
proto_item* frm = proto_tree_add_uint(tree, hf_wisun_fcie_initial_frame, tvb, 0, 0, hints->map_rec->start_fnum);
PROTO_ITEM_SET_GENERATED(frm);
} else {
expert_add_info(pinfo, tree, &ei_wisun_edfe_start_not_found);
}
}
}
return 2;
}
static int
dissect_wisun_rslie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset)
{
proto_tree_add_item(tree, hf_wisun_rslie_rsl, tvb, offset, 1, ENC_LITTLE_ENDIAN);
return 1;
}
static int
dissect_wisun_vhie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint offset)
{
guint vidlen = wisun_add_wbxml_uint(tvb, tree, hf_wisun_vhie_vid, offset);
call_data_dissector(tvb_new_subset_remaining(tvb, offset + vidlen), pinfo, tree);
return tvb_reported_length(tvb);
}
static int
dissect_wisun_eaie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset)
{
proto_tree_add_item(tree, hf_wisun_eaie_eui, tvb, offset, 8, ENC_BIG_ENDIAN);
return 8;
}
static int
dissect_wisun_hie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
guint offset;
proto_tree *subtree;
guint8 subid = tvb_get_guint8(tvb, 2);
ieee802154_packet *packet = (ieee802154_packet*)data;
offset = 3;
switch (subid) {
case WISUN_SUBID_UTT:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_uttie, ett_wisun_uttie);
offset += dissect_wisun_uttie(tvb, pinfo, subtree, offset);
break;
case WISUN_SUBID_BT:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_btie, ett_wisun_btie);
offset += dissect_wisun_btie(tvb, pinfo, subtree, offset);
break;
case WISUN_SUBID_FC:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_fcie, ett_wisun_fcie);
offset += dissect_wisun_fcie(tvb, pinfo, subtree, offset, packet);
break;
case WISUN_SUBID_RSL:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_rslie, ett_wisun_rslie);
offset += dissect_wisun_rslie(tvb, pinfo, subtree, offset);
break;
case WISUN_SUBID_VH:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_vhie, ett_wisun_vhie);
offset += dissect_wisun_vhie(tvb, pinfo, subtree, offset);
break;
case WISUN_SUBID_EA:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_eaie, ett_wisun_eaie);
offset += dissect_wisun_eaie(tvb, pinfo, subtree, offset);
break;
default:
subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_unknown_ie, ett_wisun_unknown_ie);
expert_add_info(pinfo, subtree, &ei_wisun_subid_unsupported);
call_data_dissector(tvb_new_subset_remaining(tvb, offset), pinfo, subtree);
offset = tvb_reported_length(tvb);
break;
}
return offset;
}
/*-----------------------------------------------
* Wi-SUN Payload IE Dissection
*---------------------------------------------*/
static int
dissect_wisun_channel_info(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree, guint8 control)
{
guint count;
switch ((control & WISUN_CHANNEL_PLAN) >> 0) {
case WISUN_CHANNEL_PLAN_REGULATORY:
proto_tree_add_item(tree, hf_wisun_usie_regulatory_domain, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(tree, hf_wisun_usie_operating_class, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
break;
case WISUN_CHANNEL_PLAN_SPACING:
proto_tree_add_item(tree, hf_wisun_usie_channel_frequency, tvb, offset, 3, ENC_LITTLE_ENDIAN);
offset += 3;
proto_tree_add_item(tree, hf_wisun_usie_channel_spacing, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(tree, hf_wisun_usie_number_channels, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
break;
default:
expert_add_info(pinfo, tree, &ei_wisun_usie_channel_plan_invalid);
return tvb_reported_length(tvb);
}
switch ((control & WISUN_CHANNEL_FUNCTION) >> 3) {
case WISUN_CHANNEL_FUNCTION_FIXED:
proto_tree_add_item(tree, hf_wisun_usie_fixed_channel, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
break;
case WISUN_CHANNEL_FUNCTION_VENDOR:
count = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_wisun_usie_hop_count, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
while (count--) {
proto_tree_add_item(tree, hf_wisun_usie_hop_list, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
}
break;
default:
/* Hopping list is implied by the hashing function. */
break;
}
switch ((control & WISUN_CHANNEL_EXCLUDE) >> 6) {
case WISUN_CHANNEL_EXCLUDE_RANGE:
count = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_wisun_usie_number_ranges, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
while (count) {
guint16 ex_start = tvb_get_letohs(tvb, offset);
guint16 ex_end = tvb_get_letohs(tvb, offset+2);
proto_tree_add_uint_format_value(tree, hf_wisun_usie_exclude_range, tvb, offset, 4, ex_start, "[%u, %u]", ex_start, ex_end);
offset += 4;
count--;
}
break;
case WISUN_CHANNEL_EXCLUDE_MASK:
count = tvb_reported_length_remaining(tvb, offset);
proto_tree_add_item(tree, hf_wisun_usie_exclude_mask, tvb, offset, count, ENC_NA);
offset += count;
break;
default:
/* Assume there is nothing to exclude. */
break;
}
return offset;
}
static int
dissect_wisun_usie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
guint offset = 0;
guint8 channel_control;
static const int * fields_usie_channel[] = {
&hf_wisun_usie_channel_plan,
&hf_wisun_usie_channel_function,
&hf_wisun_usie_channel_exclude,
NULL
};
item = proto_tree_add_item(tree, hf_wisun_usie, tvb, 0, tvb_reported_length_remaining(tvb, 0), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_usie);
/* Fixed stuff */
proto_tree_add_bitmask(subtree, tvb, offset, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_wisun_usie_dwell_interval, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(subtree, hf_wisun_usie_clock_drift, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(subtree, hf_wisun_usie_timing_accuracy, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
channel_control = tvb_get_guint8(tvb, offset);
proto_tree_add_bitmask_with_flags(subtree, tvb, offset, hf_wisun_usie_channel_control, ett_wisun_usie_channel_control,
fields_usie_channel, ENC_LITTLE_ENDIAN, BMT_NO_FLAGS);
offset++;
/* Variable stuff */
return offset + dissect_wisun_channel_info(tvb, pinfo, offset, subtree, channel_control);
}
static int
dissect_wisun_bsie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
guint offset = 0;
guint8 channel_control;
static const int * fields_usie_channel[] = {
&hf_wisun_usie_channel_plan,
&hf_wisun_usie_channel_function,
&hf_wisun_usie_channel_exclude,
NULL
};
item = proto_tree_add_item(tree, hf_wisun_bsie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_bsie);
/* Fixed stuff */
proto_tree_add_bitmask(subtree, tvb, offset, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_wisun_bsie_bcast_interval, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
proto_tree_add_item(subtree, hf_wisun_bsie_bcast_schedule_id, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_wisun_usie_dwell_interval, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(subtree, hf_wisun_usie_clock_drift, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(subtree, hf_wisun_usie_timing_accuracy, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
channel_control = tvb_get_guint8(tvb, offset);
proto_tree_add_bitmask_with_flags(subtree, tvb, offset, hf_wisun_usie_channel_control, ett_wisun_usie_channel_control,
fields_usie_channel, ENC_LITTLE_ENDIAN, BMT_NO_FLAGS);
offset++;
/* Variable stuff */
return offset + dissect_wisun_channel_info(tvb, pinfo, offset, subtree, channel_control);
}
static int
dissect_wisun_vpie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
guint vidlen;
item = proto_tree_add_item(tree, hf_wisun_vpie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_vpie);
vidlen = wisun_add_wbxml_uint(tvb, subtree, hf_wisun_vpie_vid, 2);
call_data_dissector(tvb_new_subset_remaining(tvb, 2 + vidlen), pinfo, subtree);
return tvb_reported_length(tvb);
}
static int
dissect_wisun_panie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
guint offset = 0;
static const int * fields_panie_flags[] = {
&hf_wisun_panie_flag_parent_bsie,
&hf_wisun_panie_flag_routing_method,
&hf_wisun_panie_flag_eapol_ready,
&hf_wisun_panie_flag_version,
NULL
};
item = proto_tree_add_item(tree, hf_wisun_panie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_panie);
proto_tree_add_bitmask(subtree, tvb, offset, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie_short, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_wisun_panie_size, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(subtree, hf_wisun_panie_cost, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_bitmask_with_flags(subtree, tvb, offset, hf_wisun_panie_flags, ett_wisun_panie_flags,
fields_panie_flags, ENC_LITTLE_ENDIAN, BMT_NO_FLAGS);
offset++;
return offset;
}
static int
dissect_wisun_netnameie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
item = proto_tree_add_item(tree, hf_wisun_netnameie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_netnameie);
proto_tree_add_bitmask(subtree, tvb, 0, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie_short, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_wisun_netnameie_name, tvb, 2, tvb_reported_length_remaining(tvb, 2), ENC_ASCII|ENC_NA);
return tvb_reported_length(tvb);
}
static int
dissect_wisun_panverie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
item = proto_tree_add_item(tree, hf_wisun_panverie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_panverie);
proto_tree_add_bitmask(subtree, tvb, 0, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie_short, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_wisun_panverie_version, tvb, 2, 2, ENC_LITTLE_ENDIAN);
return tvb_reported_length(tvb);
}
static int
dissect_wisun_gtkhashie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_)
{
proto_item *item;
proto_tree *subtree;
item = proto_tree_add_item(tree, hf_wisun_gtkhashie, tvb, 0, tvb_reported_length(tvb), ENC_NA);
subtree = proto_item_add_subtree(item, ett_wisun_gtkhashie);
proto_tree_add_bitmask(subtree, tvb, 0, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie_short, ENC_LITTLE_ENDIAN);
proto_tree_add_item(subtree, hf_wisun_gtkhashie_gtk0, tvb, 2, 8, ENC_NA);
proto_tree_add_item(subtree, hf_wisun_gtkhashie_gtk1, tvb, 10, 8, ENC_NA);
proto_tree_add_item(subtree, hf_wisun_gtkhashie_gtk2, tvb, 18, 8, ENC_NA);
proto_tree_add_item(subtree, hf_wisun_gtkhashie_gtk3, tvb, 26, 8, ENC_NA);
return 34;
}
static int
dissect_wisun_pie(tvbuff_t *tvb, packet_info *pinfo, proto_tree *ies_tree, void *data)
{
proto_tree *tree = ieee802154_create_pie_tree(tvb, ies_tree, hf_wisun_pie, ett_wisun_pie);
guint offset = 2;
while (tvb_reported_length_remaining(tvb, offset) > 1) {
/* Wi-SUN Payload IE contains nested IE's using the same format as IEEE802.15.4 */
guint16 wsie_ie = tvb_get_letohs(tvb, offset);
guint16 wsie_len;
tvbuff_t * wsie_tvb;
if (wsie_ie & IEEE802154_PSIE_TYPE_MASK) {
/* long format: Table 7-17-Sub-ID allocation for long format */
wsie_len = (wsie_ie & IEEE802154_PSIE_LENGTH_MASK_LONG);
wsie_tvb = tvb_new_subset_length(tvb, offset, wsie_len + 2);
switch ((wsie_ie & IEEE802154_PSIE_ID_MASK_LONG) >> 11) {
case WISUN_PIE_SUBID_US:
dissect_wisun_usie(wsie_tvb, pinfo, tree, data);
break;
case WISUN_PIE_SUBID_BS:
dissect_wisun_bsie(wsie_tvb, pinfo, tree, data);
break;
case WISUN_PIE_SUBID_VP:
dissect_wisun_vpie(wsie_tvb, pinfo, tree, data);
break;
default:{
proto_item *item = proto_tree_add_item(tree, hf_wisun_unknown_ie, wsie_tvb, 0, tvb_reported_length(wsie_tvb), ENC_NA);
proto_tree *subtree = proto_item_add_subtree(item, ett_wisun_unknown_ie);
proto_tree_add_bitmask(subtree, wsie_tvb, 0, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie, ENC_LITTLE_ENDIAN);
expert_add_info(pinfo, subtree, &ei_wisun_wsie_unsupported);
call_data_dissector(tvb_new_subset_remaining(wsie_tvb, 2), pinfo, subtree);
break;
}
}
} else {
/* short format: Table 7-16-Sub-ID allocation for short format */
wsie_len = (wsie_ie & IEEE802154_PSIE_LENGTH_MASK_SHORT);
wsie_tvb = tvb_new_subset_length(tvb, offset, wsie_len + 2);
switch ((wsie_ie & IEEE802154_PSIE_ID_MASK_SHORT) >> 8) {
case WISUN_PIE_SUBID_PAN:
dissect_wisun_panie(wsie_tvb, pinfo, tree, data);
break;
case WISUN_PIE_SUBID_NETNAME:
dissect_wisun_netnameie(wsie_tvb, pinfo, tree, data);
break;
case WISUN_PIE_SUBID_PENVER:
dissect_wisun_panverie(wsie_tvb, pinfo, tree, data);
break;
case WISUN_PIE_SUBID_GTKHASH:
dissect_wisun_gtkhashie(wsie_tvb, pinfo, tree, data);
break;
default:{
proto_item *item = proto_tree_add_item(tree, hf_wisun_unknown_ie, wsie_tvb, 0, tvb_reported_length(wsie_tvb), ENC_NA);
proto_tree *subtree = proto_item_add_subtree(item, ett_wisun_unknown_ie);
proto_tree_add_bitmask(subtree, wsie_tvb, 0, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie, ENC_LITTLE_ENDIAN);
expert_add_info(pinfo, subtree, &ei_wisun_wsie_unsupported);
call_data_dissector(tvb_new_subset_remaining(wsie_tvb, 2), pinfo, subtree);
break;
}
}
}
offset += tvb_reported_length(wsie_tvb);
}
return offset;
}
/*-----------------------------------------------
* Wi-SUN FAN Security Extensions Dissection
*---------------------------------------------*/
static int
dissect_wisun_sec(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
proto_item *ws_root;
proto_tree *ws_tree;
guint8 function = tvb_get_guint8(tvb, 0);
const char *function_name = val_to_str_const(function, wisun_sec_functions, "Unknown Function");
/* Create the protocol tree. */
ws_root = proto_tree_add_protocol_format(tree, proto_wisun_sec, tvb, 0, -1, "Wi-SUN %s", function_name);
ws_tree = proto_item_add_subtree(ws_root, ett_wisun_sec);
/* Add the protocol name. */
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Wi-SUN");
col_set_str(pinfo->cinfo, COL_INFO, function_name);
/* Decode based on the function code. */
proto_tree_add_item(ws_tree, hf_wisun_sec_function, tvb, 0, 1, ENC_LITTLE_ENDIAN);
switch (function) {
case 0x01:{
const char *err_name = val_to_str_const(tvb_get_guint8(tvb, 1), wisun_sec_sm_errors, "Unknown Error");
col_append_fstr(pinfo->cinfo, COL_INFO, ": %s", err_name);
proto_item_append_text(ws_root, ": %s", err_name);
proto_tree_add_item(ws_tree, hf_wisun_sec_error_type, tvb, 1, 1, ENC_LITTLE_ENDIAN);
proto_tree_add_item(ws_tree, hf_wisun_sec_error_nonce, tvb, 2, tvb_reported_length_remaining(tvb, 2), ENC_NA);
return tvb_reported_length(tvb);
}
default:
call_data_dissector(tvb_new_subset_remaining(tvb, 2), pinfo, ws_tree);
return tvb_reported_length(tvb);
}
}
/*-----------------------------------------------
* Wi-SUN FAN EAPOL Relay
*---------------------------------------------*/
static int dissect_wisun_eapol_relay(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
guint offset = 0;
proto_item *subitem = proto_tree_add_item(tree, proto_wisun_eapol_relay, tvb, offset, 9, ENC_NA);
proto_tree *subtree = proto_item_add_subtree(subitem, ett_wisun_eapol_relay);
proto_tree_add_item(subtree, hf_wisun_eapol_relay_sup, tvb, offset, 8, ENC_BIG_ENDIAN);
offset += 8;
proto_tree_add_item(subtree, hf_wisun_eapol_relay_kmp_id, tvb, offset, 1, ENC_NA);
offset += 1;
int up = 0;
// eapol.type == EAP_PACKET?
if (tvb_get_guint8(tvb, offset+1) == 0) {
up = tvb_get_guint8(tvb, offset+4) == 2; // eap.code == EAP_CODE_RESPONSE
} else {
up = (tvb_get_guint8(tvb, offset+6) & 0x80) == 0; // Key Info ACK==0
}
proto_item* diritem = proto_tree_add_boolean(subtree, hf_wisun_eapol_relay_direction, tvb, offset, 0, (guint32) up);
PROTO_ITEM_SET_GENERATED(diritem);
int r = call_dissector(eapol_handle, tvb_new_subset_remaining(tvb, offset), pinfo, tree);
// UTF-8 arrow up or down
col_append_str(pinfo->cinfo, COL_INFO, up ? " [Relay \xe2\x86\x91]" : " [Relay \xe2\x86\x93]");
return offset + r;
}
/*-----------------------------------------------
* Wi-SUN Protocol Registration
*---------------------------------------------*/
void proto_register_wisun(void)
{
static hf_register_info hf[] = {
/* Wi-SUN Header IEs */
{ &hf_wisun_subid,
{ "Header Sub ID", "wisun.subid", FT_UINT8, BASE_DEC, VALS(wisun_subid_vals), 0x0,
NULL, HFILL }
},
{ &hf_wisun_unknown_ie,
{ "Unknown IE", "wisun.unknown", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_uttie,
{ "Unicast Timing IE", "wisun.uttie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_uttie_type,
{ "Frame Type", "wisun.uttie.type", FT_UINT8, BASE_DEC, VALS(wisun_frame_type_vals), 0x0,
NULL, HFILL }
},
{ &hf_wisun_uttie_ufsi,
{ "Unicast Fractional Sequence Interval", "wisun.uttie.ufsi", FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_btie,
{ "Broadcast Timing IE", "wisun.btie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_btie_slot,
{ "Broadcast Slot Number", "wisun.btie.slot", FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_btie_bfio,
{ "Broadcast Fractional Interval Offset", "wisun.btie.bfio", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_fcie,
{ "Flow Control IE", "wisun.fcie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_fcie_tx,
{ "Transmit Flow Control", "wisun.fcie.tx", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_fcie_rx,
{ "Receive Flow Control", "wisun.fcie.rx", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_fcie_src,
{ "Source Address", "wisun.fcie.src", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_fcie_initial_frame,
{ "Initial Frame", "wisun.fcie.initial_frame", FT_FRAMENUM, BASE_NONE, FRAMENUM_TYPE(FT_FRAMENUM_REQUEST), 0x0,
NULL, HFILL }
},
{ &hf_wisun_rslie,
{ "Received Signal Level IE", "wisun.rslie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_rslie_rsl,
{ "Received Signal Level", "wisun.rslie.rsl", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_vhie,
{ "Vendor Header IE", "wisun.vhie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_vhie_vid,
{ "Vendor ID", "wisun.vhie.vid", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_eaie,
{ "EAPOL Authenticator IE", "wisun.eaie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_eaie_eui,
{ "Authenticator EUI-64", "wisun.eaie.eui", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* Wi-SUN Payload IE */
{ &hf_wisun_pie,
{ "Wi-SUN Payload IE", "wisun.pie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_wsie,
{ "Wi-SUN Sub IE", "wisun.wsie", FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_wsie_type,
{ "Type", "wisun.wsie.type", FT_UINT16, BASE_DEC, VALS(wisun_wsie_types), IEEE802154_PSIE_TYPE_MASK,
NULL, HFILL }
},
{ &hf_wisun_wsie_id,
{ "Sub ID", "wisun.wsie.id", FT_UINT16, BASE_DEC, VALS(wisun_wsie_names), IEEE802154_PSIE_ID_MASK_LONG,
NULL, HFILL }
},
{ &hf_wisun_wsie_length,
{ "Length", "wisun.wsie.length", FT_UINT16, BASE_DEC, NULL, IEEE802154_PSIE_LENGTH_MASK_LONG,
NULL, HFILL }
},
{ &hf_wisun_wsie_id_short,
{ "Sub ID", "wisun.wsie.id", FT_UINT16, BASE_DEC, VALS(wisun_wsie_names), IEEE802154_PSIE_ID_MASK_SHORT,
NULL, HFILL }
},
{ &hf_wisun_wsie_length_short,
{ "Length", "wisun.wsie.length", FT_UINT16, BASE_DEC, NULL, IEEE802154_PSIE_LENGTH_MASK_SHORT,
NULL, HFILL }
},
{ &hf_wisun_usie,
{ "Unicast Schedule IE", "wisun.usie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_dwell_interval,
{ "Dwell Interval", "wisun.usie.dwell", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_clock_drift,
{ "Clock Drift", "wisun.usie.drift", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_timing_accuracy,
{ "Timing Accuracy", "wisun.usie.accuracy", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_control,
{ "Channel Control", "wisun.usie.channel", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_plan,
{ "Channel Plan", "wisun.usie.channel.plan", FT_UINT8, BASE_DEC, VALS(wisun_channel_plan_names), WISUN_CHANNEL_PLAN,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_function,
{ "Channel Function", "wisun.usie.channel.function", FT_UINT8, BASE_DEC, VALS(wisun_channel_function_names), WISUN_CHANNEL_FUNCTION,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_exclude,
{ "Excluded Channels", "wisun.usie.channel.exclude", FT_UINT8, BASE_DEC, VALS(wisun_channel_exclude_names), WISUN_CHANNEL_EXCLUDE,
NULL, HFILL }
},
{ &hf_wisun_usie_regulatory_domain,
{ "Regulatory Domain", "wisun.usie.domain", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_operating_class,
{ "Operating Class", "wisun.usie.class", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_frequency,
{ "CH0 Frequency", "wisun.usie.channel_frequency", FT_UINT24, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_channel_spacing,
{ "Channel Spacing", "wisun.usie.channel_spacing", FT_UINT8, BASE_DEC, VALS(wisun_channel_spacing_names), 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_number_channels,
{ "Number of Channels", "wisun.usie.num_channels", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_fixed_channel,
{ "Fixed Channel", "wisun.usie.fixed_channel", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_hop_count,
{ "Chanel Hop Count", "wisun.usie.hop_count", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_hop_list,
{ "Channel Hop List", "wisun.usie.hop_list", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_number_ranges,
{ "Number of Excluded Ranges", "wisun.usie.num_ranges", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_exclude_range,
{ "Excluded Channel Range", "wisun.usie.exclude.range", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_usie_exclude_mask,
{ "Excluded Channel Mask", "wisun.usie.exclude.mask", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_bsie,
{ "Broadcast Schedule IE", "wisun.bsie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_bsie_bcast_interval,
{ "Broadcast Interval", "wisun.bsie.interval", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_bsie_bcast_schedule_id,
{ "Broadcast Schedule ID", "wisun.bsie.schedule", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_vpie,
{ "Vendor Payload IE", "wisun.vpie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_vpie_vid,
{ "Vendor ID", "wisun.vpie.vid", FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panie,
{ "PAN Information IE", "wisun.panie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panie_size,
{ "PAN Size", "wisun.panie.size", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panie_cost,
{ "Routing Cost", "wisun.panie.cost", FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panie_flags,
{ "PAN Flags", "wisun.panie.flags", FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panie_flag_parent_bsie,
{ "Use Parent BS-IE", "wisun.panie.flags.parent_bsie", FT_BOOLEAN, 8, NULL, 0x01,
NULL, HFILL }
},
{ &hf_wisun_panie_flag_routing_method,
{ "Routing Method", "wisun.panie.flags.routing_method", FT_UINT8, BASE_HEX, VALS(wisun_routing_methods), 0x02,
NULL, HFILL }
},
{ &hf_wisun_panie_flag_eapol_ready,
{ "EAPOL Ready", "wisun.panie.flags.eapol", FT_BOOLEAN, 8, NULL, 0x04,
NULL, HFILL }
},
{ &hf_wisun_panie_flag_version,
{ "FAN TPS Version", "wisun.panie.flags.version", FT_UINT8, BASE_DEC, NULL, 0xe0,
NULL, HFILL }
},
{ &hf_wisun_netnameie,
{ "Network Name IE", "wisun.netnameie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_netnameie_name,
{ "Network Name", "wisun.netnameie.name", FT_STRING, STR_ASCII, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panverie,
{ "PAN Version IE", "wisun.panverie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_panverie_version,
{ "PAN Version", "wisun.panverie.version", FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_gtkhashie,
{ "GTK Hash IE", "wisun.gtkhashie", FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_gtkhashie_gtk0,
{ "GTK0 Hash", "wisun.gtkhashie.gtk0", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_gtkhashie_gtk1,
{ "GTK1 Hash", "wisun.gtkhashie.gtk1", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_gtkhashie_gtk2,
{ "GTK2 Hash", "wisun.gtkhashie.gtk2", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
{ &hf_wisun_gtkhashie_gtk3,
{ "GTK3 Hash", "wisun.gtkhashie.gtk3", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* Wi-SUN FAN Security Extension */
{ &hf_wisun_sec_function,
{ "Function Code", "wisun.sec.function", FT_UINT8, BASE_HEX, VALS(wisun_sec_functions), 0x0,
NULL, HFILL }
},
{ &hf_wisun_sec_error_type,
{ "Error Type", "wisun.sec.error", FT_UINT8, BASE_HEX, VALS(wisun_sec_sm_errors), 0x0,
NULL, HFILL }
},
{ &hf_wisun_sec_error_nonce,
{ "Initiator Nonce", "wisun.sec.nonce", FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }
},
/* EAPOL Relay */
{ &hf_wisun_eapol_relay_sup,
{ "SUP EUI-64", "wisun.eapol_relay.sup", FT_EUI64, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_wisun_eapol_relay_kmp_id,
{ "KMP ID", "wisun.eapol_relay.kmp_id", FT_UINT8, BASE_DEC, VALS(ieee802154_mpx_kmp_id_vals), 0x0,
NULL, HFILL }},
{ &hf_wisun_eapol_relay_direction,
{ "Direction", "wisun.eapol_relay.direction", FT_BOOLEAN, BASE_NONE, TFS(&tfs_up_down), 0x0,
NULL, HFILL }},
};
/* Subtrees */
static gint *ett[] = {
&ett_wisun_unknown_ie,
&ett_wisun_uttie,
&ett_wisun_btie,
&ett_wisun_fcie,
&ett_wisun_rslie,
&ett_wisun_vhie,
&ett_wisun_eaie,
&ett_wisun_pie,
&ett_wisun_wsie_bitmap,
&ett_wisun_usie,
&ett_wisun_bsie,
&ett_wisun_vpie,
&ett_wisun_panie,
&ett_wisun_panie_flags,
&ett_wisun_netnameie,
&ett_wisun_panverie,
&ett_wisun_gtkhashie,
&ett_wisun_sec,
&ett_wisun_eapol_relay,
};
static ei_register_info ei[] = {
{ &ei_wisun_subid_unsupported, { "wisun.subid.unsupported", PI_PROTOCOL, PI_WARN,
"Unsuppoted Header Sub ID", EXPFILL }},
{ &ei_wisun_usie_channel_plan_invalid, { "wisun.usie.channel.plan.invalid", PI_PROTOCOL, PI_WARN,
"Invalid Channel Plan", EXPFILL }},
{ &ei_wisun_wsie_unsupported, { "wisun.wsie.unsupported", PI_PROTOCOL, PI_WARN,
"Unsupported Sub-IE ID", EXPFILL }},
{ &ei_wisun_edfe_start_not_found, { "wisun.edfe.start_not_found", PI_SEQUENCE, PI_WARN,
"EDFE Transfer: start frame not found", EXPFILL }},
};
expert_module_t* expert_wisun;
proto_wisun = proto_register_protocol("Wi-SUN Field Area Network", "Wi-SUN", "wisun");
proto_wisun_sec = proto_register_protocol("Wi-SUN FAN Security Extension", "Wi-SUN WM-SEC", "wisun.sec");
proto_wisun_eapol_relay = proto_register_protocol("Wi-SUN FAN EAPOL Relay", "Wi-SUN EAPOL-Relay", "wisun.eapol_relay");
proto_register_field_array(proto_wisun, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_wisun = expert_register_protocol(proto_wisun);
expert_register_field_array(expert_wisun, ei, array_length(ei));
register_dissector("wisun.sec", dissect_wisun_sec, proto_wisun_sec);
edfe_byaddr = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), g_int64_hash, g_int64_equal);
wisun_eapol_relay_handle = register_dissector("wisun.eapol_relay", dissect_wisun_eapol_relay, proto_wisun_eapol_relay);
}
void proto_reg_handoff_wisun(void)
{
dissector_add_uint(IEEE802154_HEADER_IE_DTABLE, IEEE802154_HEADER_IE_WISUN, create_dissector_handle(dissect_wisun_hie, proto_wisun));
dissector_add_uint(IEEE802154_PAYLOAD_IE_DTABLE, IEEE802154_PAYLOAD_IE_WISUN, create_dissector_handle(dissect_wisun_pie, proto_wisun));
// For EAPOL relay
dissector_add_uint("udp.port", WISUN_EAPOL_RELAY_UDP_PORT, wisun_eapol_relay_handle);
eapol_handle = find_dissector("eapol");
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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