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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-btmesh-proxy.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--epan/dissectors/packet-btmesh-proxy.c670
1 files changed, 670 insertions, 0 deletions
diff --git a/epan/dissectors/packet-btmesh-proxy.c b/epan/dissectors/packet-btmesh-proxy.c
new file mode 100644
index 00000000..615a6a1b
--- /dev/null
+++ b/epan/dissectors/packet-btmesh-proxy.c
@@ -0,0 +1,670 @@
+/* packet-btmesh-proxy.c
+ * Routines for Bluetooth mesh Proxy PDU dissection
+ *
+ * Copyright 2019, Piotr Winiarczyk <wino45@gmail.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * Ref: Mesh Profile v1.0
+ * https://www.bluetooth.com/specifications/mesh-specifications
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/prefs.h>
+#include <epan/reassemble.h>
+#include <epan/tvbuff-int.h>
+#include <epan/expert.h>
+#include <wsutil/wsgcrypt.h>
+
+#include "packet-btmesh.h"
+
+#define PROXY_COMPLETE_MESSAGE 0x00
+#define PROXY_FIRST_SEGMENT 0x01
+#define PROXY_CONTINUATION_SEGMENT 0x02
+#define PROXY_LAST_SEGMENT 0x03
+
+#define PROXY_PDU_NETWORK 0x00
+#define PROXY_PDU_MESH_BEACON 0x01
+#define PROXY_PDU_CONFIGURATION 0x02
+#define PROXY_PDU_PROVISIONING 0x03
+
+#define PROXY_SET_FILTER_TYPE 0x00
+#define PROXY_ADD_ADDRESSES_TO_FILTER 0x01
+#define PROXY_REMOVE_ADDRESSES_FROM_FILTER 0x02
+#define PROXY_FILTER_STATUS 0x03
+
+#define UNICAST_ADDRESS_MASK 0x8000
+
+void proto_register_btmesh_proxy(void);
+void proto_reg_handoff_btmesh_proxy(void);
+
+static int proto_btmesh_proxy = -1;
+
+static int hf_btmesh_proxy_type = -1;
+static int hf_btmesh_proxy_sar = -1;
+static int hf_btmesh_proxy_data = -1;
+static int hf_btmesh_proxy_data_fragment = -1;
+static int hf_btmesh_proxy_fragments = -1;
+static int hf_btmesh_proxy_fragment = -1;
+static int hf_btmesh_proxy_fragment_overlap = -1;
+static int hf_btmesh_proxy_fragment_overlap_conflict = -1;
+static int hf_btmesh_proxy_fragment_multiple_tails = -1;
+static int hf_btmesh_proxy_fragment_too_long_fragment = -1;
+static int hf_btmesh_proxy_fragment_error = -1;
+static int hf_btmesh_proxy_fragment_count = -1;
+static int hf_btmesh_proxy_reassembled_length = -1;
+static int hf_btmesh_proxy_ivi = -1;
+static int hf_btmesh_proxy_nid = -1;
+static int hf_btmesh_proxy_ctl = -1;
+static int hf_btmesh_proxy_ttl = -1;
+static int hf_btmesh_proxy_seq = -1;
+static int hf_btmesh_proxy_src = -1;
+static int hf_btmesh_proxy_dst = -1;
+static int hf_btmesh_proxy_transport_pdu = -1;
+static int hf_btmesh_proxy_netmic = -1;
+static int hf_btmesh_proxy_control_opcode = -1;
+static int hf_btmesh_proxy_control_parameters = -1;
+static int hf_btmesh_proxy_control_filter_type = -1;
+static int hf_btmesh_proxy_control_list_size = -1;
+static int hf_btmesh_proxy_control_list_item = -1;
+
+static int ett_btmesh_proxy = -1;
+static int ett_btmesh_proxy_network_pdu = -1;
+static int ett_btmesh_proxy_transport_pdu = -1;
+static int ett_btmesh_proxy_fragments = -1;
+static int ett_btmesh_proxy_fragment = -1;
+
+static expert_field ei_btmesh_proxy_unknown_opcode = EI_INIT;
+static expert_field ei_btmesh_proxy_unknown_payload = EI_INIT;
+static expert_field ei_btmesh_proxy_wrong_ctl = EI_INIT;
+static expert_field ei_btmesh_proxy_wrong_ttl = EI_INIT;
+static expert_field ei_btmesh_proxy_wrong_dst = EI_INIT;
+static expert_field ei_btmesh_proxy_unknown_filter_type = EI_INIT;
+static expert_field ei_btmesh_proxy_wrong_address_type = EI_INIT;
+
+static dissector_handle_t btmesh_handle;
+static dissector_handle_t btmesh_provisioning_handle;
+static dissector_handle_t btmesh_beacon_handle;
+
+static wmem_tree_t *connection_info_tree;
+static wmem_allocator_t *pool;
+
+static const value_string btmesh_proxy_type[] = {
+ { 0, "Network PDU" },
+ { 1, "Mesh Beacon" },
+ { 2, "Proxy Configuration" },
+ { 3, "Provisioning PDU" },
+ { 0, NULL }
+};
+
+static const value_string btmesh_proxy_sar[] = {
+ { 0, "Data field contains a complete message" },
+ { 1, "Data field contains the first segment of a message" },
+ { 2, "Data field contains a continuation segment of a message" },
+ { 3, "Data field contains the last segment of a message" },
+ { 0, NULL }
+};
+
+static const value_string btmesh_proxy_ctl_vals[] = {
+ { 0, "Unknown Message" },
+ { 1, "Proxy Message" },
+ { 0, NULL }
+};
+
+static const value_string btmesh_proxy_control_opcode[] = {
+ { 0, "Set Filter Type" },
+ { 1, "Add Addresses To Filter" },
+ { 2, "Remove Addresses From Filter" },
+ { 3, "Filter Status" },
+ { 0, NULL }
+};
+
+static const value_string btmesh_proxy_control_filter_type[] = {
+ { 0, "White list filter" },
+ { 1, "Black list filter" },
+ { 0, NULL }
+};
+
+static const fragment_items btmesh_proxy_frag_items = {
+ &ett_btmesh_proxy_fragments,
+ &ett_btmesh_proxy_fragment,
+
+ &hf_btmesh_proxy_fragments,
+ &hf_btmesh_proxy_fragment,
+ &hf_btmesh_proxy_fragment_overlap,
+ &hf_btmesh_proxy_fragment_overlap_conflict,
+ &hf_btmesh_proxy_fragment_multiple_tails,
+ &hf_btmesh_proxy_fragment_too_long_fragment,
+ &hf_btmesh_proxy_fragment_error,
+ &hf_btmesh_proxy_fragment_count,
+ NULL,
+ &hf_btmesh_proxy_reassembled_length,
+ /* Reassembled data field */
+ NULL,
+ "fragments"
+};
+
+static reassembly_table proxy_reassembly_table;
+static guint32 sequence_counter[E_BTMESH_PROXY_SIDE_LAST];
+static guint32 fragment_counter[E_BTMESH_PROXY_SIDE_LAST];
+static gboolean first_pass;
+
+static gint
+dissect_btmesh_proxy_configuration_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ gint32 enc_data_len = 0;
+ guint8 *decrypted_data = NULL;
+ tvbuff_t *de_obf_tvb;
+ tvbuff_t *de_cry_tvb;
+ proto_tree *sub_tree, *cntrl_sub_tree;
+ guint32 net_mic_size, seq, src, dst, opcode, ttl, bd_address;
+ guint32 filter_type, list_size;
+ guint32 offset = 0;
+ guint32 decry_off = 0;
+ network_decryption_ctx_t *dec_ctx;
+
+ proto_tree_add_item(tree, hf_btmesh_proxy_data, tvb, 0, tvb_reported_length(tvb), ENC_NA);
+
+ dec_ctx = wmem_new(pinfo->pool, network_decryption_ctx_t);
+ dec_ctx->net_nonce_type = BTMESH_NONCE_TYPE_PROXY;
+
+ de_obf_tvb = btmesh_network_find_key_and_decrypt(tvb, pinfo, &decrypted_data, &enc_data_len, dec_ctx);
+ if (de_obf_tvb) {
+ sub_tree = proto_tree_add_subtree(tree, tvb, offset, -1, ett_btmesh_proxy_network_pdu, NULL, "Proxy Network PDU");
+
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_ivi, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_nid, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset++;
+
+ add_new_data_source(pinfo, de_obf_tvb, "Deobfuscated data");
+
+ /* CTL 1 bit Network Control*/
+ proto_tree_add_item_ret_uint(sub_tree, hf_btmesh_proxy_ctl, de_obf_tvb, 0, 1, ENC_BIG_ENDIAN, &net_mic_size);
+ if (net_mic_size != 1) {
+ proto_tree_add_expert(sub_tree, pinfo, &ei_btmesh_proxy_wrong_ctl, de_obf_tvb, 0, 1);
+ }
+ net_mic_size = (net_mic_size + 1) * 4;
+ /* The TTL field is a 7-bit field */
+ proto_tree_add_item_ret_uint(sub_tree, hf_btmesh_proxy_ttl, de_obf_tvb, 0, 1, ENC_BIG_ENDIAN, &ttl);
+ if (ttl != 0) {
+ proto_tree_add_expert(sub_tree, pinfo, &ei_btmesh_proxy_wrong_ttl, de_obf_tvb, 0, 1);
+ }
+ /* SEQ field is a 24-bit integer */
+ proto_tree_add_item_ret_uint(sub_tree, hf_btmesh_proxy_seq, de_obf_tvb, 1, 3, ENC_BIG_ENDIAN, &seq);
+
+ /* SRC field is a 16-bit value */
+ proto_tree_add_item_ret_uint(sub_tree, hf_btmesh_proxy_src, de_obf_tvb, 4, 2, ENC_BIG_ENDIAN, &src);
+ if (src & UNICAST_ADDRESS_MASK ) {
+ proto_tree_add_expert(sub_tree, pinfo, &ei_btmesh_proxy_wrong_address_type, de_obf_tvb, 4, 2);
+ }
+ offset += 6;
+
+ de_cry_tvb = tvb_new_child_real_data(tvb, decrypted_data, enc_data_len, enc_data_len);
+ add_new_data_source(pinfo, de_cry_tvb, "Decrypted data");
+
+ proto_tree_add_item_ret_uint(sub_tree, hf_btmesh_proxy_dst, de_cry_tvb, decry_off, 2, ENC_BIG_ENDIAN, &dst);
+ if (dst != 0) {
+ proto_tree_add_expert(sub_tree, pinfo, &ei_btmesh_proxy_wrong_dst, de_cry_tvb, decry_off, 2);
+ }
+ decry_off += 2;
+
+ /* TransportPDU */
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_transport_pdu, de_cry_tvb, decry_off, enc_data_len - 2, ENC_NA);
+ offset += enc_data_len;
+
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_netmic, tvb, offset, net_mic_size, ENC_BIG_ENDIAN);
+ offset += net_mic_size;
+
+ cntrl_sub_tree = proto_tree_add_subtree(tree, de_cry_tvb, decry_off, -1, ett_btmesh_proxy_transport_pdu, NULL, "Proxy Transport PDU");
+ /* Opcode */
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_opcode, de_cry_tvb, decry_off, 1, ENC_BIG_ENDIAN, &opcode);
+ decry_off += 1;
+
+ /* Parameters */
+ switch (opcode) {
+ case PROXY_SET_FILTER_TYPE:
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_filter_type, de_cry_tvb, decry_off, 1, ENC_BIG_ENDIAN, &filter_type);
+ if (filter_type > 1) {
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_unknown_filter_type, de_cry_tvb, decry_off, 1);
+ }
+ decry_off += 1;
+
+ break;
+ case PROXY_ADD_ADDRESSES_TO_FILTER:
+ while (decry_off <= (guint32)enc_data_len - 1) {
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_list_item, de_cry_tvb, decry_off, 2, ENC_BIG_ENDIAN, &bd_address);
+ if (bd_address == 0 ) {
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_wrong_address_type, de_cry_tvb, decry_off, 2);
+ }
+ decry_off += 2;
+ }
+
+ break;
+ case PROXY_REMOVE_ADDRESSES_FROM_FILTER:
+ while (decry_off <= (guint32)enc_data_len - 1) {
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_list_item, de_cry_tvb, decry_off, 2, ENC_BIG_ENDIAN, &bd_address);
+ if (bd_address == 0 ) {
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_wrong_address_type, de_cry_tvb, decry_off, 2);
+ }
+ decry_off += 2;
+ }
+
+ break;
+ case PROXY_FILTER_STATUS:
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_filter_type, de_cry_tvb, decry_off, 1, ENC_BIG_ENDIAN, &filter_type);
+ if (filter_type > 1) {
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_unknown_filter_type, de_cry_tvb, decry_off, 1);
+ }
+ decry_off += 1;
+
+ proto_tree_add_item_ret_uint(cntrl_sub_tree, hf_btmesh_proxy_control_list_size, de_cry_tvb, decry_off, 2, ENC_BIG_ENDIAN, &list_size);
+ decry_off += 2;
+ break;
+ default:
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_unknown_opcode, de_cry_tvb, decry_off -1 , 1);
+ proto_tree_add_item(cntrl_sub_tree, hf_btmesh_proxy_control_parameters, de_cry_tvb, decry_off, enc_data_len - 3, ENC_NA);
+ decry_off += enc_data_len - 3;
+ }
+ /* Still some octets left */
+ if (offset - net_mic_size != decry_off + 7) {
+ proto_tree_add_expert(cntrl_sub_tree, pinfo, &ei_btmesh_proxy_unknown_payload, de_cry_tvb, decry_off, -1);
+ }
+ }
+ return offset;
+}
+
+static gint
+dissect_btmesh_proxy_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *proxy_data)
+{
+ proto_item *item;
+ proto_tree *sub_tree;
+ tvbuff_t *next_tvb = NULL;
+ fragment_head *fd_head = NULL;
+ guint32 *sequence_counter_ptr;
+ void *storage;
+ btle_mesh_transport_ctx_t tr_ctx;
+ guint offset = 0;
+ btle_mesh_proxy_ctx_t *proxy_ctx = NULL;
+
+ DISSECTOR_ASSERT(proxy_data);
+ proxy_ctx = (btle_mesh_proxy_ctx_t *)proxy_data;
+ DISSECTOR_ASSERT(proxy_ctx->proxy_side < E_BTMESH_PROXY_SIDE_LAST);
+
+ if (pinfo->fd->visited && first_pass) {
+ first_pass=FALSE;
+ for (int i=0; i< E_BTMESH_PROXY_SIDE_LAST; i++ ){
+ sequence_counter[i] = 0;
+ fragment_counter[i] = 0;
+ }
+ }
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "BT Mesh Proxy");
+
+ item = proto_tree_add_item(tree, proto_btmesh_proxy, tvb, offset, -1, ENC_NA);
+ sub_tree = proto_item_add_subtree(item, ett_btmesh_proxy);
+
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_sar, tvb, offset, 1, ENC_NA);
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_type, tvb, offset, 1, ENC_NA);
+
+ guint8 proxy_sar = (tvb_get_guint8(tvb, offset) & 0xC0 ) >> 6;
+ guint8 proxy_type = tvb_get_guint8(tvb, offset) & 0x3F;
+ offset += 1;
+ guint32 length = tvb_reported_length(tvb) - offset;
+
+ gboolean packet_reassembled = FALSE;
+ gboolean packet_completed = FALSE;
+
+ col_set_str(pinfo->cinfo, COL_INFO, val_to_str_const(proxy_type, btmesh_proxy_type, "Unknown Proxy PDU"));
+
+ switch (proxy_sar){
+ case PROXY_COMPLETE_MESSAGE:
+ packet_completed = TRUE;
+ next_tvb = tvb_new_subset_length_caplen(tvb, offset, -1, tvb_captured_length(tvb) - offset);
+ col_append_str(pinfo->cinfo, COL_INFO," (Complete)");
+
+ break;
+ case PROXY_FIRST_SEGMENT:
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data_fragment, tvb, offset, length, ENC_NA);
+ sequence_counter[proxy_ctx->proxy_side]++;
+ if (!pinfo->fd->visited) {
+ fragment_counter[proxy_ctx->proxy_side]=0;
+
+ fragment_add_seq(&proxy_reassembly_table,
+ tvb, offset, pinfo,
+ sequence_counter[proxy_ctx->proxy_side], NULL,
+ fragment_counter[proxy_ctx->proxy_side],
+ tvb_captured_length_remaining(tvb, offset),
+ TRUE, 0);
+
+ fragment_counter[proxy_ctx->proxy_side]++;
+ }
+ col_append_str(pinfo->cinfo, COL_INFO," (First Segment)");
+
+ break;
+ case PROXY_CONTINUATION_SEGMENT:
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data_fragment, tvb, offset, length, ENC_NA);
+ if (!pinfo->fd->visited) {
+ fragment_add_seq(&proxy_reassembly_table,
+ tvb, offset, pinfo,
+ sequence_counter[proxy_ctx->proxy_side], NULL,
+ fragment_counter[proxy_ctx->proxy_side],
+ tvb_captured_length_remaining(tvb, offset),
+ TRUE, 0);
+ fragment_counter[proxy_ctx->proxy_side]++;
+ }
+ col_append_str(pinfo->cinfo, COL_INFO," (Continuation Segment)");
+
+ break;
+ case PROXY_LAST_SEGMENT:
+
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data_fragment, tvb, offset, length, ENC_NA);
+ if (!pinfo->fd->visited) {
+ fragment_add_seq(&proxy_reassembly_table,
+ tvb, offset, pinfo,
+ sequence_counter[proxy_ctx->proxy_side], NULL,
+ fragment_counter[proxy_ctx->proxy_side],
+ tvb_captured_length_remaining(tvb, offset),
+ FALSE, 0);
+ fragment_counter[proxy_ctx->proxy_side]++;
+
+ //add mapping "pinfo->num" -> "sequence_counter"
+ storage = wmem_alloc0(pool, sizeof(sequence_counter[proxy_ctx->proxy_side]));
+ *((guint32 *)storage) = sequence_counter[proxy_ctx->proxy_side];
+ wmem_tree_insert32(connection_info_tree, pinfo->num, storage);
+ }
+ packet_reassembled = TRUE;
+ col_append_str(pinfo->cinfo, COL_INFO," (Last Segment)");
+
+ break;
+ //No default since this is 2 bit value
+ }
+
+ if (packet_reassembled || packet_completed) {
+ if (next_tvb == NULL) {
+ sequence_counter_ptr = (guint32 *)wmem_tree_lookup32(connection_info_tree, pinfo->num);
+
+ if (sequence_counter_ptr != NULL) {
+ fd_head = fragment_get(&proxy_reassembly_table, pinfo, *sequence_counter_ptr, NULL);
+
+ if (fd_head) {
+ next_tvb = process_reassembled_data(tvb, offset, pinfo,
+ "Reassembled Message", fd_head, &btmesh_proxy_frag_items,
+ NULL, sub_tree);
+ col_append_str(pinfo->cinfo, COL_INFO, " (Message Reassembled)");
+ }
+ }
+ }
+
+ if (next_tvb) {
+ offset = 0;
+ tr_ctx.transport = E_BTMESH_TR_PROXY;
+ if (packet_completed) {
+ tr_ctx.fragmented = FALSE;
+ } else {
+ tr_ctx.fragmented = TRUE;
+ }
+ tr_ctx.segment_index = 0;
+
+ switch (proxy_type) {
+ case PROXY_PDU_NETWORK:
+ if (btmesh_handle) {
+ call_dissector(btmesh_handle, next_tvb, pinfo, proto_tree_get_root(tree));
+ } else {
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data, next_tvb, offset, length, ENC_NA);
+ }
+
+ break;
+ case PROXY_PDU_MESH_BEACON:
+ if (btmesh_beacon_handle) {
+ call_dissector_with_data(btmesh_beacon_handle, next_tvb, pinfo, proto_tree_get_root(tree), &tr_ctx);
+ } else {
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data, next_tvb, offset, length, ENC_NA);
+ }
+
+ break;
+ case PROXY_PDU_CONFIGURATION:
+ dissect_btmesh_proxy_configuration_msg(next_tvb, pinfo, sub_tree, NULL);
+
+ break;
+ case PROXY_PDU_PROVISIONING:
+ if (btmesh_provisioning_handle) {
+ call_dissector_with_data(btmesh_provisioning_handle, next_tvb, pinfo, proto_tree_get_root(tree), &tr_ctx);
+ } else {
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data, next_tvb, offset, length, ENC_NA);
+ }
+
+ break;
+ default:
+ proto_tree_add_item(sub_tree, hf_btmesh_proxy_data, next_tvb, offset, length, ENC_NA);
+ break;
+ }
+ }
+ }
+
+ return tvb_reported_length(tvb);
+}
+
+static void
+proxy_init_routine(void)
+{
+ reassembly_table_register(&proxy_reassembly_table, &addresses_reassembly_table_functions);
+ for (int i=0; i< E_BTMESH_PROXY_SIDE_LAST; i++ ){
+ sequence_counter[i] = 0;
+ fragment_counter[i] = 0;
+ }
+ first_pass = TRUE;
+ pool = wmem_allocator_new(WMEM_ALLOCATOR_SIMPLE);
+}
+
+static void
+proxy_cleanup_dissector(void)
+{
+ wmem_destroy_allocator(pool);
+ pool = NULL;
+}
+
+void
+proto_register_btmesh_proxy(void)
+{
+ static hf_register_info hf[] = {
+ { &hf_btmesh_proxy_type,
+ { "Type", "btmproxy.type",
+ FT_UINT8, BASE_DEC, VALS(btmesh_proxy_type), 0x3F,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_sar,
+ { "SAR", "btmproxy.sar",
+ FT_UINT8, BASE_DEC, VALS(btmesh_proxy_sar), 0xC0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_data,
+ { "Data", "btmproxy.data",
+ FT_BYTES, BASE_NONE, NULL, 0x00,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_data_fragment,
+ { "Data Fragment", "btmproxy.data_fragment",
+ FT_BYTES, BASE_NONE, NULL, 0x00,
+ NULL, HFILL }
+ },
+ //Proxy Payload Reassembly
+ { &hf_btmesh_proxy_fragments,
+ { "Reassembled Proxy Payload Fragments", "btmproxy.fragments",
+ FT_NONE, BASE_NONE, NULL, 0x0,
+ "Proxy Payload Fragments", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment,
+ { "Proxy Payload Fragment", "btmproxy.fragment",
+ FT_FRAMENUM, BASE_NONE, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_overlap,
+ { "Fragment overlap", "btmproxy.fragment.overlap",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "Fragment overlaps with other fragments", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_overlap_conflict,
+ { "Conflicting data in fragment overlap", "btmproxy.fragment.overlap.conflict",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "Overlapping fragments contained conflicting data", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_multiple_tails,
+ { "Multiple tail fragments found", "btmproxy.fragment.multipletails",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "Several tails were found when defragmenting the packet", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_too_long_fragment,
+ { "Fragment too long", "btmproxy.fragment.toolongfragment",
+ FT_BOOLEAN, BASE_NONE, NULL, 0x0,
+ "Fragment contained data past end of packet", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_error,
+ { "Defragmentation error", "btmproxy.fragment.error",
+ FT_FRAMENUM, BASE_NONE, NULL, 0x0,
+ "Defragmentation error due to illegal fragments", HFILL }
+ },
+ { &hf_btmesh_proxy_fragment_count,
+ { "Fragment count", "btmproxy.fragment.count",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_reassembled_length,
+ { "Reassembled Proxy Payload length", "btmproxy.reassembled.length",
+ FT_UINT32, BASE_DEC, NULL, 0x0,
+ "The total length of the reassembled payload", HFILL }
+ },
+ { &hf_btmesh_proxy_ivi,
+ { "IVI", "btmproxy.ivi",
+ FT_UINT8, BASE_DEC, NULL, 0x80,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_nid,
+ { "NID", "btmproxy.nid",
+ FT_UINT8, BASE_DEC, NULL, 0x7f,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_ctl,
+ { "CTL", "btmproxy.ctl",
+ FT_UINT8, BASE_DEC, VALS(btmesh_proxy_ctl_vals), 0x80,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_ttl,
+ { "TTL", "btmproxy.ttl",
+ FT_UINT8, BASE_DEC, NULL, 0x7f,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_seq,
+ { "SEQ", "btmproxy.seq",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_src,
+ { "SRC", "btmproxy.src",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_dst,
+ { "DST", "btmproxy.dst",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_transport_pdu,
+ { "Proxy Transport PDU", "btmproxy.transport_pdu",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_netmic,
+ { "ProxyNetMIC", "btmproxy.netmic",
+ FT_UINT64, BASE_HEX, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_control_opcode,
+ { "Opcode", "btmproxy.control.opcode",
+ FT_UINT8, BASE_DEC, VALS(btmesh_proxy_control_opcode), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_control_parameters,
+ { "Proxy Control Parameters", "btmproxy.control.parameters",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_control_filter_type,
+ { "Filter Type", "btmproxy.control.filter_type",
+ FT_UINT8, BASE_DEC, VALS(btmesh_proxy_control_filter_type), 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_control_list_size,
+ { "List Size", "btmproxy.control.list_size",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ { &hf_btmesh_proxy_control_list_item,
+ { "List Item", "btmproxy.control.list_item",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL }
+ },
+ };
+
+ static gint *ett[] = {
+ &ett_btmesh_proxy,
+ &ett_btmesh_proxy_network_pdu,
+ &ett_btmesh_proxy_transport_pdu,
+ &ett_btmesh_proxy_fragments,
+ &ett_btmesh_proxy_fragment,
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_btmesh_proxy_unknown_opcode,{ "btmproxy.unknown_opcode", PI_PROTOCOL, PI_ERROR, "Unknown Opcode", EXPFILL } },
+ { &ei_btmesh_proxy_unknown_payload,{ "btmproxy.unknown_payload", PI_PROTOCOL, PI_ERROR, "Unknown Payload", EXPFILL } },
+ { &ei_btmesh_proxy_wrong_ctl,{ "btmproxy.wrong_ctl", PI_PROTOCOL, PI_ERROR, "Wrong CTL value", EXPFILL } },
+ { &ei_btmesh_proxy_wrong_ttl,{ "btmproxy.wrong_ttl", PI_PROTOCOL, PI_ERROR, "Wrong TTL value", EXPFILL } },
+ { &ei_btmesh_proxy_wrong_dst,{ "btmproxy.wrong_dst", PI_PROTOCOL, PI_ERROR, "Wrong DST value", EXPFILL } },
+ { &ei_btmesh_proxy_unknown_filter_type,{ "btmproxy.unknown_filter_type", PI_PROTOCOL, PI_ERROR, "Unknown Filter Type", EXPFILL } },
+ { &ei_btmesh_proxy_wrong_address_type,{ "btmproxy.wrong_address_type", PI_PROTOCOL, PI_ERROR, "Wrong Address Type", EXPFILL } },
+ };
+
+ expert_module_t* expert_btmesh_proxy;
+
+ proto_btmesh_proxy = proto_register_protocol("Bluetooth Mesh Proxy", "BT Mesh proxy", "btmproxy");
+
+ proto_register_field_array(proto_btmesh_proxy, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ expert_btmesh_proxy = expert_register_protocol(proto_btmesh_proxy);
+ expert_register_field_array(expert_btmesh_proxy, ei, array_length(ei));
+
+ prefs_register_protocol_subtree("Bluetooth", proto_btmesh_proxy, NULL);
+ register_dissector("btmesh.proxy", dissect_btmesh_proxy_msg, proto_btmesh_proxy);
+
+ connection_info_tree = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
+
+ register_init_routine(proxy_init_routine);
+ register_cleanup_routine(proxy_cleanup_dissector);
+}
+
+void
+proto_reg_handoff_btmesh_proxy(void)
+{
+ btmesh_handle = find_dissector("btmesh.msg");
+ btmesh_provisioning_handle = find_dissector("btmesh.provisioning");
+ btmesh_beacon_handle = find_dissector("btmesh.beacon");
+}
+
+/*
+ * Editor modelines
+ *
+ * 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:
+ */