/* packet-wisun.c * * Wi-SUN IE Dissectors for Wireshark * By Owen Kirby * Copyright 2007 Exegin Technologies Limited * * SPDX-License-Identifier: GPL-2.0-or-later *------------------------------------------------------------ */ #include "config.h" #include #include #include #include #include #include "packet-ieee802154.h" void proto_register_wisun(void); void proto_reg_handoff_wisun(void); /* EDFE support */ typedef struct { ieee802154_map_rec initiator; 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 static dissector_handle_t ieee802154_nofcs_handle; // for Netricity Segment Control static reassembly_table netricity_reassembly_table; /* 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_N_NFT 7 #define WISUN_SUBID_N_LQI 8 #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_EXPLICIT 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_CH_PLAN_EXPLICIT_FREQ 0x00ffffff #define WISUN_CH_PLAN_EXPLICIT_RESERVED 0xf0000000 #define WISUN_CH_PLAN_EXPLICIT_SPACING 0x0f000000 #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_bio = -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_explicit = -1; static int hf_wisun_usie_explicit_frequency = -1; static int hf_wisun_usie_explicit_reserved = -1; static int hf_wisun_usie_explicit_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_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; // Netricity static int proto_wisun_netricity_sc; static int hf_wisun_netricity_nftie = -1; static int hf_wisun_netricity_nftie_type = -1; static int hf_wisun_netricity_lqiie = -1; static int hf_wisun_netricity_lqiie_lqi = -1; static int hf_wisun_netricity_sc_flags = -1; static int hf_wisun_netricity_sc_reserved = -1; static int hf_wisun_netricity_sc_tone_map_request = -1; static int hf_wisun_netricity_sc_contention_control = -1; static int hf_wisun_netricity_sc_channel_access_priority = -1; static int hf_wisun_netricity_sc_last_segment = -1; static int hf_wisun_netricity_sc_segment_count = -1; static int hf_wisun_netricity_sc_segment_length = -1; // Reassembly static int hf_wisun_netricity_scr_segments = -1; static int hf_wisun_netricity_scr_segment = -1; static int hf_wisun_netricity_scr_segment_overlap = -1; static int hf_wisun_netricity_scr_segment_overlap_conflicts = -1; static int hf_wisun_netricity_scr_segment_multiple_tails = -1; static int hf_wisun_netricity_scr_segment_too_long_segment = -1; static int hf_wisun_netricity_scr_segment_error = -1; static int hf_wisun_netricity_scr_segment_count = -1; static int hf_wisun_netricity_scr_reassembled_in = -1; static int hf_wisun_netricity_scr_reassembled_length = -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_usie_explicit; 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; // Netricity static gint ett_wisun_netricity_nftie = -1; static gint ett_wisun_netricity_lqiie = -1; static gint ett_wisun_netricity_sc = -1; static gint ett_wisun_netricity_sc_bitmask = -1; static gint ett_wisun_netricity_scr_segment = -1; static gint ett_wisun_netricity_scr_segments = -1; static const fragment_items netricity_scr_frag_items = { /* Fragment subtrees */ &ett_wisun_netricity_scr_segment, &ett_wisun_netricity_scr_segments, /* Fragment fields */ &hf_wisun_netricity_scr_segments, &hf_wisun_netricity_scr_segment, &hf_wisun_netricity_scr_segment_overlap, &hf_wisun_netricity_scr_segment_overlap_conflicts, &hf_wisun_netricity_scr_segment_multiple_tails, &hf_wisun_netricity_scr_segment_too_long_segment, &hf_wisun_netricity_scr_segment_error, &hf_wisun_netricity_scr_segment_count, /* Reassembled in field */ &hf_wisun_netricity_scr_reassembled_in, /* Reassembled length field */ &hf_wisun_netricity_scr_reassembled_length, /* Reassembled data field */ NULL, /* Tag */ "Netricity Segments" }; 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_N_NFT, "Netricity Frame Type IE" }, { WISUN_SUBID_N_LQI, "Link Quality Index 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_usie_clock_drift_names[] = { { 0, "Better than 1ppm" }, { 255, "Not provided" }, { 0, NULL } }; static const value_string wisun_channel_plan_names[] = { { WISUN_CHANNEL_PLAN_REGULATORY, "Regulatory Domain and Operating Class" }, { WISUN_CHANNEL_PLAN_EXPLICIT, "Explicit 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_regulatory_domains_names[] = { { 0, "World" }, { 1, "North America" }, { 2, "Japan" }, { 3, "Europe" }, { 4, "China" }, { 5, "India" }, { 6, "Mexico" }, { 7, "Brazil" }, { 8, "Australia / NZ" }, { 9, "Korea" }, { 10, "Philippines" }, { 11, "Malaysia" }, { 12, "Hong Kong" }, { 13, "Singapore" }, { 14, "Thailand" }, { 15, "Vietnam" }, { 0, NULL } }; static const value_string wisun_channel_spacing_names[] = { { 0, "200 kHz" }, { 1, "400 kHz" }, { 2, "600 kHz" }, { 3, "100 kHz" }, { 0, NULL } }; static const value_string wisun_routing_methods[] = { { 0, "MHDS" }, { 1, "RPL" }, { 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 true_false_string wisun_netricity_sc_contention_control_tfs = { "Contention-free access", "Contention allowed in next contention state" }; 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 expert_field ei_wisun_usie_explicit_reserved_bits_not_zero = EI_INIT; static guint 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_bio, 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) { guint32 tx; proto_tree_add_item_ret_uint(tree, hf_wisun_fcie_tx, tvb, offset, 1, ENC_LITTLE_ENDIAN, &tx); guint32 rx; proto_tree_add_item_ret_uint(tree, hf_wisun_fcie_rx, tvb, offset+1, 1, ENC_LITTLE_ENDIAN, &rx); // 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) { guint32 rsl = tvb_get_guint8(tvb, offset); if (rsl == 0xff) { // "A value of 255 MUST be used to indicate not measured" [FANTPS 1v21] proto_tree_add_uint_format_value(tree, hf_wisun_rslie_rsl, tvb, offset, 1, rsl, "not measured"); } else { // "This provides a range of -174 (0) to +80 (254) dBm" [FANTPS 1v21] proto_tree_add_uint_format_value(tree, hf_wisun_rslie_rsl, tvb, offset, 1, rsl, "%d dBm", rsl-174); } 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_netricity_nftie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset) { guint8 frame_type = tvb_get_guint8(tvb, offset); col_set_str(pinfo->cinfo, COL_PROTOCOL, "Wi-SUN Netricity"); col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(frame_type, wisun_frame_type_vals, "Unknown Wi-SUN Netricity Frame")); proto_tree_add_item(tree, hf_wisun_netricity_nftie_type, tvb, offset, 1, ENC_LITTLE_ENDIAN); return 1; } static int dissect_wisun_netricity_lqiie(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset) { guint8 lqi = tvb_get_guint8(tvb, offset); switch (lqi) { case 0: // "-10 dB or lower (0x00)" [IEEE1901.2-2013] proto_tree_add_uint_format_value(tree, hf_wisun_netricity_lqiie_lqi, tvb, offset, 1, lqi, "0 (SNR -10 dB or lower)"); break; case 255: // "A value of 255 MUST be used to indicate 'not measured'" [NTPS 1v04] proto_tree_add_uint_format_value(tree, hf_wisun_netricity_lqiie_lqi, tvb, offset, 1, lqi, "255 (not measured)"); break; default: // "where the value of -9.75 dB is represented as 0x01 and the value of 52.75 dB is represented as 0xFE" [IEEE1901.2-2013] proto_tree_add_uint_format_value(tree, hf_wisun_netricity_lqiie_lqi, tvb, offset, 1, lqi, "%d (SNR %1.2f dB)", lqi, (lqi-1) * (52.75+9.75) / (0xfe - 0x01) - 9.75); } return 1; } 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_N_NFT: subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_netricity_nftie, ett_wisun_netricity_nftie); offset += dissect_wisun_netricity_nftie(tvb, pinfo, subtree, offset); break; case WISUN_SUBID_N_LQI: subtree = wisun_create_hie_tree(tvb, tree, hf_wisun_netricity_lqiie, ett_wisun_netricity_lqiie); offset += dissect_wisun_netricity_lqiie(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_schedule_common(tvbuff_t *tvb, packet_info *pinfo, guint offset, proto_tree *tree) { static const int * fields_usie_channel[] = { &hf_wisun_usie_channel_plan, &hf_wisun_usie_channel_function, &hf_wisun_usie_channel_exclude, NULL }; static const int * fields_usie_channel_plan_explicit[] = { &hf_wisun_usie_explicit_frequency, &hf_wisun_usie_explicit_spacing, &hf_wisun_usie_explicit_reserved, NULL }; gint count; proto_item *ti; proto_tree_add_item(tree, hf_wisun_usie_dwell_interval, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; proto_tree_add_item(tree, hf_wisun_usie_clock_drift, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; guint clock_drift = tvb_get_guint8(tvb, offset); // "Resolution is 10 microseconds and the valid range of the field value is 0-255 (0 to 2.55msec)" [FANTPS 1v21] proto_tree_add_uint_format_value(tree, hf_wisun_usie_timing_accuracy, tvb, offset, 1, clock_drift, "%1.2fms", clock_drift/100.0); offset++; guint8 control = tvb_get_guint8(tvb, offset); proto_tree_add_bitmask_with_flags(tree, tvb, offset, hf_wisun_usie_channel_control, ett_wisun_usie_channel_control, fields_usie_channel, ENC_LITTLE_ENDIAN, BMT_NO_FLAGS); offset++; 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_EXPLICIT: ti = proto_tree_add_bitmask(tree, tvb, offset, hf_wisun_usie_explicit, ett_wisun_usie_explicit, fields_usie_channel_plan_explicit, ENC_LITTLE_ENDIAN); offset += 3; if (tvb_get_guint8(tvb, offset) & 0xf0) { expert_add_info(pinfo, ti, &ei_wisun_usie_explicit_reserved_bits_not_zero); } 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; 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); proto_tree_add_bitmask(subtree, tvb, offset, hf_wisun_wsie, ett_wisun_wsie_bitmap, wisun_format_nested_ie, ENC_LITTLE_ENDIAN); offset += 2; return dissect_wisun_schedule_common(tvb, pinfo, offset, subtree); } 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; 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); 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; return dissect_wisun_schedule_common(tvb, pinfo, offset, subtree); } 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; guint32 routingCost; static const int * fields_panie_flags[] = { &hf_wisun_panie_flag_parent_bsie, &hf_wisun_panie_flag_routing_method, &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_ret_uint(subtree, hf_wisun_panie_cost, tvb, offset, 2, ENC_LITTLE_ENDIAN, &routingCost); offset += 2; 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++; col_append_sep_fstr(pinfo->cinfo, COL_INFO, ", ", "Routing Cost: %d", routingCost); 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); col_append_sep_fstr(pinfo->cinfo, COL_INFO, ", ", "Netname: %s", tvb_get_string_enc(wmem_packet_scope(), tvb, 2, tvb_reported_length_remaining(tvb, 2), ENC_ASCII)); 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); col_append_sep_fstr(pinfo->cinfo, COL_INFO, ", ", "PAN Version: %d", tvb_get_guint16(tvb, 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 Netricity Segment Control *---------------------------------------------*/ static int dissect_wisun_netricity_sc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { static const int * fields_sc[] = { &hf_wisun_netricity_sc_reserved, &hf_wisun_netricity_sc_tone_map_request, &hf_wisun_netricity_sc_contention_control, &hf_wisun_netricity_sc_channel_access_priority, &hf_wisun_netricity_sc_last_segment, NULL }; guint offset = 0; col_set_str(pinfo->cinfo, COL_PROTOCOL, "Wi-SUN Netricity"); proto_item *subitem = proto_tree_add_item(tree, proto_wisun_netricity_sc, tvb, offset, -1, ENC_NA); proto_tree *subtree = proto_item_add_subtree(subitem, ett_wisun_netricity_sc); gboolean is_last = tvb_get_guint8(tvb, 0) & 1; proto_tree_add_bitmask(subtree, tvb, offset++, hf_wisun_netricity_sc_flags, ett_wisun_netricity_sc_bitmask, fields_sc, ENC_BIG_ENDIAN); guint32 seg_count; guint32 seg_len; proto_tree_add_item_ret_uint(subtree, hf_wisun_netricity_sc_segment_count, tvb, offset, 2, ENC_BIG_ENDIAN, &seg_count); proto_tree_add_item_ret_uint(subtree, hf_wisun_netricity_sc_segment_length, tvb, offset, 2, ENC_BIG_ENDIAN, &seg_len); offset += 2; gboolean is_segmented = !is_last || seg_count != 0; proto_tree *ieee802154_tree; ieee802154_packet *packet; tvbuff_t *frame = tvb_new_subset_remaining(tvb, offset); // if security is used, all segments have the flag set in the FCF, but only the first has the Auxiliary Security Header guint mhr_len = ieee802154_dissect_header(frame, pinfo, is_segmented ? subtree : tree, seg_count == 0 ? 0 : IEEE802154_DISSECT_HEADER_OPTION_NO_AUX_SEC_HDR, &ieee802154_tree, &packet); if (!mhr_len) { return tvb_captured_length(tvb); } frame = tvb_new_subset_length(frame, 0, mhr_len + seg_len); if (is_segmented) { gboolean save_fragmented = pinfo->fragmented; pinfo->fragmented = TRUE; fragment_head *frag_msg = fragment_add_seq_check(&netricity_reassembly_table, frame, seg_count == 0 ? 0 : mhr_len, pinfo, packet->seqno, NULL, seg_count, (seg_count == 0 ? mhr_len : 0) + seg_len, !is_last); tvbuff_t *reframe = process_reassembled_data(tvb, offset, pinfo, "Reassembled segments", frag_msg, &netricity_scr_frag_items, NULL, subtree); if (reframe) { call_dissector(ieee802154_nofcs_handle, reframe, pinfo, tree); col_append_fstr(pinfo->cinfo, COL_INFO, " (Reassembled %u segments)", seg_count + 1); } else { call_data_dissector(tvb_new_subset_remaining(frame, mhr_len), pinfo, subtree); col_append_fstr(pinfo->cinfo, COL_INFO, " (Segment %u)", seg_count); } pinfo->fragmented = save_fragmented; } else { tvbuff_t *payload = ieee802154_decrypt_payload(frame, mhr_len, pinfo, ieee802154_tree, packet); if (payload) { guint pie_size = ieee802154_dissect_payload_ies(payload, pinfo, ieee802154_tree, packet); payload = tvb_new_subset_remaining(payload, pie_size); ieee802154_dissect_frame_payload(payload, pinfo, ieee802154_tree, packet, TRUE); } } return tvb_captured_length(tvb); } /*----------------------------------------------- * 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_bio, { "Broadcast Interval Offset", "wisun.btie.bio", FT_UINT24, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 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_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0x0, NULL, HFILL } }, { &hf_wisun_fcie_rx, { "Receive Flow Control", "wisun.fcie.rx", FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 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|BASE_UNIT_STRING, &units_milliseconds, 0x0, NULL, HFILL } }, { &hf_wisun_usie_clock_drift, { "Clock Drift", "wisun.usie.drift", FT_UINT8, BASE_DEC|BASE_SPECIAL_VALS, VALS(wisun_usie_clock_drift_names), 0x0, "Clock Drift in +/- ppm", 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, VALS(wisun_channel_regulatory_domains_names), 0x0, NULL, HFILL } }, { &hf_wisun_usie_operating_class, { "Operating Class", "wisun.usie.class", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, { &hf_wisun_usie_explicit, { "Explicit Channel Plan", "wisun.usie.explicit", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_wisun_usie_explicit_frequency, { "CH0 Frequency", "wisun.usie.explicit.frequency", FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_khz, WISUN_CH_PLAN_EXPLICIT_FREQ, NULL, HFILL } }, { &hf_wisun_usie_explicit_reserved, { "Reserved", "wisun.usie.explicit.reserved", FT_UINT32, BASE_DEC, NULL, WISUN_CH_PLAN_EXPLICIT_RESERVED, NULL, HFILL } }, { &hf_wisun_usie_explicit_spacing, { "Channel Spacing", "wisun.usie.explicit.spacing", FT_UINT32, BASE_DEC, VALS(wisun_channel_spacing_names), WISUN_CH_PLAN_EXPLICIT_SPACING, 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|BASE_UNIT_STRING, &units_milliseconds, 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_UINT16, 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_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 }}, /* Wi-SUN Netricity */ { &hf_wisun_netricity_nftie, { "Netricity Frame Type IE", "wisun.netricity.nftie", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_wisun_netricity_nftie_type, { "Frame Type", "wisun.netricity.nftie.type", FT_UINT8, BASE_DEC, VALS(wisun_frame_type_vals), 0x0, NULL, HFILL } }, { &hf_wisun_netricity_lqiie, { "Link Quality Index IE", "wisun.netricity.lqiie", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_wisun_netricity_lqiie_lqi, { "Link Quality Index", "wisun.netricity.lqiie.lqi", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } }, /* Wi-SUN Netricity Segment Control Field and reassembly */ { &hf_wisun_netricity_sc_flags, { "Segment Control", "wisun.netricity.sc.flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL } }, { &hf_wisun_netricity_sc_reserved, { "Reserved", "wisun.netricity.sc.reserved", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_wisun_netricity_sc_tone_map_request, { "Tone Map Request", "wisun.netricity.sc.tone_map_request", FT_BOOLEAN, 8, NULL, 1<<3, NULL, HFILL } }, { &hf_wisun_netricity_sc_contention_control, { "Contention Control", "wisun.netricity.sc.contention_control", FT_BOOLEAN, 8, TFS(&wisun_netricity_sc_contention_control_tfs), 1<<2, NULL, HFILL } }, { &hf_wisun_netricity_sc_channel_access_priority, { "Channel access priority", "wisun.netricity.sc.channel_access_priority", FT_BOOLEAN, 8, TFS(&tfs_high_normal), 1<<1, NULL, HFILL } }, { &hf_wisun_netricity_sc_last_segment, { "Last Segment", "wisun.netricity.sc.last_segment", FT_BOOLEAN, 8, NULL, 1<<0, NULL, HFILL } }, { &hf_wisun_netricity_sc_segment_count, { "Segment Count", "wisun.netricity.sc.segment_count", FT_UINT16, BASE_DEC, NULL, 0xfc00, NULL, HFILL } }, { &hf_wisun_netricity_sc_segment_length, { "Segment Length", "wisun.netricity.sc.segment_length", FT_UINT16, BASE_DEC, NULL, 0x03ff, NULL, HFILL } }, { &hf_wisun_netricity_scr_segments, { "Message segments", "wisun.netricity.scr.segments", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment, { "Message segment", "wisun.netricity.scr.segment", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_overlap, { "Message segment overlap", "wisun.netricity.scr.segment.overlap", FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_overlap_conflicts, { "Message segment overlapping with conflicting data", "wisun.netricity.scr.segment.overlap.conflicts", FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_multiple_tails, { "Message has multiple tail segments", "wisun.netricity.scr.segment.multiple_tails", FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_too_long_segment, { "Message segment too long", "wisun.netricity.scr.segment.too_long_segment", FT_BOOLEAN, 0, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_error, { "Message segment reassembly error", "wisun.netricity.scr.segment.error", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_segment_count, { "Message segment count", "wisun.netricity.scr.segment.count", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_reassembled_in, { "Reassembled in", "wisun.netricity.scr.reassembled.in", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_wisun_netricity_scr_reassembled_length, { "Reassembled length", "wisun.netricity.scr.reassembled.length", FT_UINT32, BASE_DEC, NULL, 0x00, 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, &ett_wisun_netricity_nftie, &ett_wisun_netricity_lqiie, &ett_wisun_netricity_sc, &ett_wisun_netricity_sc_bitmask, &ett_wisun_netricity_scr_segment, &ett_wisun_netricity_scr_segments, }; static ei_register_info ei[] = { { &ei_wisun_subid_unsupported, { "wisun.subid.unsupported", PI_PROTOCOL, PI_WARN, "Unsupported 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 }}, { &ei_wisun_usie_explicit_reserved_bits_not_zero, { "wisun.usie.explicit.reserved.invalid", PI_MALFORMED, PI_ERROR, "Reserved bits not zero", 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_wisun_netricity_sc = proto_register_protocol("Wi-SUN Netricity Segment", "Wi-SUN Netricity Segment", "wisun.netricity.sc"); 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); register_dissector("wisun.netricity.sc", dissect_wisun_netricity_sc, proto_wisun_netricity_sc); reassembly_table_register(&netricity_reassembly_table, &addresses_reassembly_table_functions); } 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"); // For Netricity reassembly ieee802154_nofcs_handle = find_dissector("wpan_nofcs"); } /* * 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: */