forked from osmocom/wireshark
![Roland Haenel](/assets/img/avatar_default.png)
When operating a Nano node behind a NAT, non-standard ports are commonly used for the protocol. The option to enable a heuristic dissector should be helpful in this scenario. Change-Id: I74abd8c90e9e5cebc0251662ade73f4e6e5e21bd Reviewed-on: https://code.wireshark.org/review/26668 Petri-Dish: Graham Bloice <graham.bloice@trihedral.com> Reviewed-by: Anders Broman <a.broman58@gmail.com>
1081 lines
38 KiB
C
1081 lines
38 KiB
C
/* packet-nano.c
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* Routines for Nano / RaiBlocks dissection
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* Copyright 2018, Roland Haenel <roland@haenel.me>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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* For information about Nano / RaiBlocks, go to http://www.nano.org
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*/
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#include <config.h>
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#include <conversation.h>
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#include <packet-tcp.h>
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#include <proto_data.h>
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#include <epan/packet.h>
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#include <epan/to_str.h>
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#include <wsutil/str_util.h>
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void proto_reg_handoff_nano(void);
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void proto_register_nano(void);
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static dissector_handle_t nano_handle, nano_tcp_handle;
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static int proto_nano = -1;
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static int hf_nano_magic_number = -1;
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static int hf_nano_version_max = -1;
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static int hf_nano_version_using = -1;
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static int hf_nano_version_min = -1;
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static int hf_nano_packet_type = -1;
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static int hf_nano_extensions = -1;
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static int hf_nano_extensions_block_type = -1;
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static int hf_nano_keepalive_peer_ip = -1;
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static int hf_nano_keepalive_peer_port = -1;
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static int hf_nano_block_hash_previous = -1;
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static int hf_nano_block_hash_source = -1;
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static int hf_nano_block_signature = -1;
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static int hf_nano_block_work = -1;
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static int hf_nano_block_destination_account = -1;
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static int hf_nano_block_balance = -1;
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static int hf_nano_block_account = -1;
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static int hf_nano_block_representative_account = -1;
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static int hf_nano_block_link = -1;
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static int hf_nano_vote_account = -1;
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static int hf_nano_vote_signature = -1;
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static int hf_nano_vote_sequence = -1;
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static int hf_nano_bulk_pull_account = -1;
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static int hf_nano_bulk_pull_block_hash_end = -1;
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static int hf_nano_frontier_req_account = -1;
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static int hf_nano_frontier_req_age = -1;
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static int hf_nano_frontier_req_count = -1;
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static int hf_nano_bulk_pull_blocks_min_hash = -1;
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static int hf_nano_bulk_pull_blocks_max_hash = -1;
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static int hf_nano_bulk_pull_blocks_mode = -1;
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static int hf_nano_bulk_pull_blocks_max_count = -1;
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static int hf_nano_bulk_push_block_type = -1;
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static int hf_nano_bulk_pull_block_type = -1;
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static int hf_nano_frontier_account = -1;
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static int hf_nano_frontier_head_hash = -1;
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static gint ett_nano = -1;
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static gint ett_nano_header = -1;
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static gint ett_nano_extensions = -1;
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static gint ett_nano_peers = -1;
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static gint ett_nano_peer_details[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
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static gint ett_nano_block = -1;
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static gint ett_nano_vote = -1;
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static gint ett_nano_bulk_pull = -1;
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static gint ett_nano_frontier_req = -1;
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static gint ett_nano_bulk_pull_blocks = -1;
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static gint ett_nano_frontier = -1;
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#define NANO_PACKET_TYPE_INVALID 0
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#define NANO_PACKET_TYPE_NOT_A_TYPE 1
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#define NANO_PACKET_TYPE_KEEPALIVE 2
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#define NANO_PACKET_TYPE_PUBLISH 3
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#define NANO_PACKET_TYPE_CONFIRM_REQ 4
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#define NANO_PACKET_TYPE_CONFIRM_ACK 5
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#define NANO_PACKET_TYPE_BULK_PULL 6
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#define NANO_PACKET_TYPE_BULK_PUSH 7
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#define NANO_PACKET_TYPE_FRONTIER_REQ 8
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#define NANO_PACKET_TYPE_BULK_PULL_BLOCKS 9
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static const value_string nano_packet_type_strings[] = {
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{ NANO_PACKET_TYPE_INVALID, "Invalid" },
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{ NANO_PACKET_TYPE_NOT_A_TYPE, "Not A Type" },
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{ NANO_PACKET_TYPE_KEEPALIVE, "Keepalive" },
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{ NANO_PACKET_TYPE_PUBLISH, "Publish" },
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{ NANO_PACKET_TYPE_CONFIRM_REQ, "Confirm Req" },
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{ NANO_PACKET_TYPE_CONFIRM_ACK, "Confirm Ack" },
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{ NANO_PACKET_TYPE_BULK_PULL, "Bulk Pull" },
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{ NANO_PACKET_TYPE_BULK_PUSH, "Bulk Push" },
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{ NANO_PACKET_TYPE_FRONTIER_REQ, "Frontier Req" },
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{ NANO_PACKET_TYPE_BULK_PULL_BLOCKS, "Bulk Pull Blocks" },
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{ 0, NULL },
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};
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#define NANO_BLOCK_TYPE_INVALID 0
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#define NANO_BLOCK_TYPE_NOT_A_BLOCK 1
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#define NANO_BLOCK_TYPE_SEND 2
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#define NANO_BLOCK_TYPE_RECEIVE 3
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#define NANO_BLOCK_TYPE_OPEN 4
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#define NANO_BLOCK_TYPE_CHANGE 5
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#define NANO_BLOCK_TYPE_STATE 6
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static const value_string nano_block_type_strings[] = {
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{ NANO_BLOCK_TYPE_INVALID, "Invalid" },
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{ NANO_BLOCK_TYPE_NOT_A_BLOCK, "Not A Block" },
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{ NANO_BLOCK_TYPE_SEND, "Send" },
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{ NANO_BLOCK_TYPE_RECEIVE, "Receive" },
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{ NANO_BLOCK_TYPE_OPEN, "Open" },
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{ NANO_BLOCK_TYPE_CHANGE, "Change" },
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{ NANO_BLOCK_TYPE_STATE, "State" },
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{ 0, NULL },
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};
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static const string_string nano_magic_numbers[] = {
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{ "RA", "Nano Test Network" },
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{ "RB", "Nano Beta Network" },
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{ "RC", "Nano Production Network" },
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{ 0, NULL }
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};
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#define NANO_BULK_PULL_BLOCKS_MODE_LIST_BLOCKS 0
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#define NANO_BULK_PULL_BLOCKS_MODE_CHECKSUM_BLOCKS 1
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static const value_string nano_bulk_pull_blocks_mode_strings[] = {
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{ NANO_BULK_PULL_BLOCKS_MODE_LIST_BLOCKS, "List Blocks" },
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{ NANO_BULK_PULL_BLOCKS_MODE_CHECKSUM_BLOCKS, "Checksum Blocks" },
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{ 0, NULL },
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};
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#define NANO_UDP_PORT 7075 /* Not IANA registered */
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#define NANO_TCP_PORT 7075 /* Not IANA registered */
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#define NANO_BLOCK_SIZE_SEND (32+32+16+64+8)
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#define NANO_BLOCK_SIZE_RECEIVE (32+32+64+8)
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#define NANO_BLOCK_SIZE_OPEN (32+32+32+64+8)
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#define NANO_BLOCK_SIZE_CHANGE (32+32+64+8)
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#define NANO_BLOCK_SIZE_STATE (32+32+32+16+32+64+8)
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// Nano header length, and thus minimum length of any Nano UDP packet (or bootstrap request)
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#define NANO_HEADER_LENGTH 8
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// Nano bootstrap session state
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struct nano_session_state {
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int client_packet_type;
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guint32 server_port;
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};
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// dissect the inside of a keepalive packet (that is, the neighbor nodes)
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static int dissect_nano_keepalive(tvbuff_t *tvb, packet_info *pinfo, proto_tree *nano_tree, int offset)
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{
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proto_item *ti;
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proto_tree *peer_tree, *peer_entry_tree;
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int i, peers;
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ws_in6_addr ip_addr;
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guint32 port;
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gchar buf[100];
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peer_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 8*(16+2), ett_nano_peers, NULL, "Peer List");
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peers = 0;
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for (i = 0; i < 8; i++) {
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peer_entry_tree = proto_tree_add_subtree(peer_tree, tvb, offset, 18, ett_nano_peer_details[i], &ti, "Peer");
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tvb_get_ipv6(tvb, offset, &ip_addr);
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proto_tree_add_item(peer_entry_tree, hf_nano_keepalive_peer_ip, tvb, offset, 16, ENC_NA);
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offset += 16;
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proto_tree_add_item_ret_uint(peer_entry_tree, hf_nano_keepalive_peer_port, tvb, offset, 2, ENC_LITTLE_ENDIAN, &port);
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offset += 2;
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if (!memcmp(&ip_addr, "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0", 16)) {
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proto_item_append_text(ti, ": (none)");
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} else if (!memcmp(&ip_addr, "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\xff\xff", 12)) {
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ip_to_str_buf((gchar *) &ip_addr + 12, buf, sizeof(buf));
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proto_item_append_text(ti, ": %s:%d", buf, port);
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peers++;
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} else {
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ip6_to_str_buf(&ip_addr, buf, sizeof(buf));
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proto_item_append_text(ti, ": [%s]:%d", buf, port);
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peers++;
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}
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}
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col_add_fstr(pinfo->cinfo, COL_INFO, "Keepalive (%d peer%s)", peers, plurality(peers, "", "s"));
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return offset;
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}
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// dissect a receive block
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static int dissect_nano_receive_block(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *block_tree;
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block_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_BLOCK_SIZE_RECEIVE, ett_nano_block, NULL, "Receive Block");
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proto_tree_add_item(block_tree, hf_nano_block_hash_previous, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_hash_source, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(block_tree, hf_nano_block_work, tvb, offset, 8, ENC_NA);
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offset += 8;
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return offset;
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}
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// dissect a send block
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static int dissect_nano_send_block(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *block_tree;
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block_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_BLOCK_SIZE_SEND, ett_nano_block, NULL, "Send Block");
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proto_tree_add_item(block_tree, hf_nano_block_hash_previous, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_destination_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_balance, tvb, offset, 16, ENC_NA);
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offset += 16;
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proto_tree_add_item(block_tree, hf_nano_block_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(block_tree, hf_nano_block_work, tvb, offset, 8, ENC_NA);
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offset += 8;
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return offset;
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}
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// dissect an open block
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static int dissect_nano_open_block(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *block_tree;
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block_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_BLOCK_SIZE_OPEN, ett_nano_block, NULL, "Open Block");
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proto_tree_add_item(block_tree, hf_nano_block_hash_source, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_representative_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(block_tree, hf_nano_block_work, tvb, offset, 8, ENC_NA);
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offset += 8;
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return offset;
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}
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// dissect an change block
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static int dissect_nano_change_block(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *block_tree;
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block_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_BLOCK_SIZE_CHANGE, ett_nano_block, NULL, "Change Block");
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proto_tree_add_item(block_tree, hf_nano_block_hash_previous, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_representative_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(block_tree, hf_nano_block_work, tvb, offset, 8, ENC_NA);
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offset += 8;
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return offset;
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}
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// dissect a state block
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static int dissect_nano_state(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *block_tree;
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block_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_BLOCK_SIZE_STATE, ett_nano_block, NULL, "State Block");
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proto_tree_add_item(block_tree, hf_nano_block_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_hash_previous, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_representative_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_balance, tvb, offset, 16, ENC_NA);
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offset += 16;
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proto_tree_add_item(block_tree, hf_nano_block_link, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(block_tree, hf_nano_block_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(block_tree, hf_nano_block_work, tvb, offset, 8, ENC_NA);
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offset += 8;
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return offset;
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}
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// dissect a vote
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static int dissect_nano_vote(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
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{
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proto_tree *vote_tree;
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vote_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 32+64+8, ett_nano_block, NULL, "Vote");
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proto_tree_add_item(vote_tree, hf_nano_vote_account, tvb, offset, 32, ENC_NA);
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offset += 32;
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proto_tree_add_item(vote_tree, hf_nano_vote_signature, tvb, offset, 64, ENC_NA);
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offset += 64;
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proto_tree_add_item(vote_tree, hf_nano_vote_sequence, tvb, offset, 8, ENC_LITTLE_ENDIAN);
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offset += 8;
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return offset;
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}
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// dissect a Nano protocol header, fills in the values
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// for nano_packet_type, nano_block_type
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static int dissect_nano_header(tvbuff_t *tvb, proto_tree *nano_tree, int offset, guint *nano_packet_type, guint64 *extensions)
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{
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proto_tree *header_tree;
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char *nano_magic_number;
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static const int *nano_extensions[] = {
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&hf_nano_extensions_block_type,
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NULL
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};
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header_tree = proto_tree_add_subtree(nano_tree, tvb, offset, NANO_HEADER_LENGTH, ett_nano_header, NULL, "Nano Protocol Header");
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nano_magic_number = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, 2, ENC_ASCII);
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proto_tree_add_string_format_value(header_tree, hf_nano_magic_number, tvb, 0,
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2, nano_magic_number, "%s (%s)", str_to_str(nano_magic_number, nano_magic_numbers, "Unknown"), nano_magic_number);
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offset += 2;
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proto_tree_add_item(header_tree, hf_nano_version_max, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(header_tree, hf_nano_version_using, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item(header_tree, hf_nano_version_min, tvb, offset, 1, ENC_NA);
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offset += 1;
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proto_tree_add_item_ret_uint(header_tree, hf_nano_packet_type, tvb, offset, 1, ENC_NA, nano_packet_type);
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offset += 1;
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proto_tree_add_bitmask_ret_uint64(header_tree, tvb, offset, hf_nano_extensions, ett_nano_extensions, nano_extensions, ENC_LITTLE_ENDIAN, extensions);
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offset += 2;
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return offset;
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}
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// dissect a Nano packet (UDP)
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static int dissect_nano(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_item *ti;
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proto_tree *nano_tree;
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guint nano_packet_type, nano_block_type, offset;
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guint64 extensions;
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/* Check that the packet is long enough for it to belong to us. */
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if (tvb_reported_length(tvb) < NANO_HEADER_LENGTH)
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return 0;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nano");
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col_clear(pinfo->cinfo, COL_INFO);
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ti = proto_tree_add_item(tree, proto_nano, tvb, 0, -1, ENC_NA);
|
|
nano_tree = proto_item_add_subtree(ti, ett_nano);
|
|
|
|
offset = dissect_nano_header(tvb, nano_tree, 0, &nano_packet_type, &extensions);
|
|
|
|
// call specific dissectors for specific packet types
|
|
switch (nano_packet_type) {
|
|
case NANO_PACKET_TYPE_KEEPALIVE:
|
|
return dissect_nano_keepalive(tvb, pinfo, nano_tree, offset);
|
|
|
|
case NANO_PACKET_TYPE_PUBLISH:
|
|
case NANO_PACKET_TYPE_CONFIRM_REQ:
|
|
case NANO_PACKET_TYPE_CONFIRM_ACK:
|
|
|
|
// set the INFO header with more information
|
|
nano_block_type = (guint)((extensions >> 8) & 0xF);
|
|
col_add_fstr(pinfo->cinfo, COL_INFO, "%s (%s)",
|
|
val_to_str_const(nano_packet_type, VALS(nano_packet_type_strings), " "),
|
|
val_to_str(nano_block_type, VALS(nano_block_type_strings), "Unknown (%d)"));
|
|
|
|
// if it's a Confirm Ack packet, we first have a vote
|
|
if (nano_packet_type == NANO_PACKET_TYPE_CONFIRM_ACK) {
|
|
offset = dissect_nano_vote(tvb, nano_tree, offset);
|
|
}
|
|
|
|
// dissect the actual block
|
|
switch (nano_block_type) {
|
|
case NANO_BLOCK_TYPE_RECEIVE:
|
|
dissect_nano_receive_block(tvb, nano_tree, offset);
|
|
break;
|
|
case NANO_BLOCK_TYPE_SEND:
|
|
dissect_nano_send_block(tvb, nano_tree, offset);
|
|
break;
|
|
case NANO_BLOCK_TYPE_OPEN:
|
|
dissect_nano_open_block(tvb, nano_tree, offset);
|
|
break;
|
|
case NANO_BLOCK_TYPE_CHANGE:
|
|
dissect_nano_change_block(tvb, nano_tree, offset);
|
|
break;
|
|
case NANO_BLOCK_TYPE_STATE:
|
|
dissect_nano_state(tvb, nano_tree, offset);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
col_add_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(nano_packet_type, VALS(nano_packet_type_strings), "Unknown (%d)"));
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
// determine the length of a nano bootstrap message (client)
|
|
static guint get_nano_tcp_client_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
int nano_packet_type, nano_block_type;
|
|
struct nano_session_state *session_state;
|
|
|
|
session_state = (struct nano_session_state *)data;
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PUSH) {
|
|
// we're in the middle of a bulk push, so we expect a block type (uint8) and a block
|
|
|
|
nano_block_type = tvb_get_guint8(tvb, offset);
|
|
switch (nano_block_type) {
|
|
case NANO_BLOCK_TYPE_NOT_A_BLOCK:
|
|
return 1;
|
|
case NANO_BLOCK_TYPE_SEND:
|
|
return 1 + NANO_BLOCK_SIZE_SEND;
|
|
case NANO_BLOCK_TYPE_RECEIVE:
|
|
return 1 + NANO_BLOCK_SIZE_RECEIVE;
|
|
case NANO_BLOCK_TYPE_OPEN:
|
|
return 1 + NANO_BLOCK_SIZE_OPEN;
|
|
case NANO_BLOCK_TYPE_CHANGE:
|
|
return 1 + NANO_BLOCK_SIZE_CHANGE;
|
|
case NANO_BLOCK_TYPE_STATE:
|
|
return 1 + NANO_BLOCK_SIZE_STATE;
|
|
default:
|
|
// this is invalid
|
|
return tvb_captured_length(tvb) - offset;
|
|
}
|
|
}
|
|
|
|
// we expect a client command, this starts with a full Nano header
|
|
if (tvb_captured_length(tvb) - offset < NANO_HEADER_LENGTH) {
|
|
return 0;
|
|
}
|
|
|
|
nano_packet_type = tvb_get_guint8(tvb, offset + 5);
|
|
|
|
switch (nano_packet_type) {
|
|
case NANO_PACKET_TYPE_BULK_PULL:
|
|
return NANO_HEADER_LENGTH + 32 + 32;
|
|
case NANO_PACKET_TYPE_BULK_PUSH:
|
|
return NANO_HEADER_LENGTH;
|
|
case NANO_PACKET_TYPE_FRONTIER_REQ:
|
|
return NANO_HEADER_LENGTH + 32 + 4 + 4;
|
|
case NANO_PACKET_TYPE_BULK_PULL_BLOCKS:
|
|
return NANO_HEADER_LENGTH + 32 + 32 + 1 + 4;
|
|
}
|
|
|
|
return tvb_captured_length(tvb) - offset;
|
|
}
|
|
|
|
// dissect a bulk pull request
|
|
static int dissect_nano_bulk_pull(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
|
|
{
|
|
proto_tree *vote_tree;
|
|
|
|
vote_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 32+32, ett_nano_bulk_pull, NULL, "Bulk Pull");
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_bulk_pull_account, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_bulk_pull_block_hash_end, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
return offset;
|
|
}
|
|
|
|
// dissect a frontier request
|
|
static int dissect_nano_frontier_req(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
|
|
{
|
|
proto_tree *vote_tree;
|
|
|
|
vote_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 32+4+4, ett_nano_frontier_req, NULL, "Frontier Request");
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_frontier_req_account, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_frontier_req_age, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_frontier_req_count, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
// dissect a bulk pull blocks request
|
|
static int dissect_nano_bulk_pull_blocks(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
|
|
{
|
|
proto_tree *vote_tree;
|
|
|
|
vote_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 32+4+4, ett_nano_frontier_req, NULL, "Bulk Pull Blocks");
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_bulk_pull_blocks_min_hash, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_bulk_pull_blocks_max_hash, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
proto_tree_add_item(nano_tree, hf_nano_bulk_pull_blocks_mode, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(vote_tree, hf_nano_bulk_pull_blocks_max_count, tvb, offset, 4, ENC_LITTLE_ENDIAN);
|
|
offset += 4;
|
|
|
|
return offset;
|
|
}
|
|
|
|
// dissect a single nano bootstrap message (client)
|
|
static int dissect_nano_tcp_client_message(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_)
|
|
{
|
|
int offset, nano_packet_type, nano_block_type;
|
|
guint64 extensions;
|
|
struct nano_session_state *session_state;
|
|
|
|
session_state = (struct nano_session_state *)data;
|
|
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PUSH) {
|
|
// we're within a bulk push
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Bulk Push ");
|
|
proto_tree_add_item_ret_uint(tree, hf_nano_bulk_push_block_type, tvb, 0, 1, ENC_NA, &nano_block_type);
|
|
switch (nano_block_type) {
|
|
case NANO_BLOCK_TYPE_NOT_A_BLOCK:
|
|
session_state->client_packet_type = NANO_PACKET_TYPE_INVALID;
|
|
break;
|
|
case NANO_BLOCK_TYPE_SEND:
|
|
dissect_nano_send_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_RECEIVE:
|
|
dissect_nano_receive_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_OPEN:
|
|
dissect_nano_open_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_CHANGE:
|
|
dissect_nano_change_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_STATE:
|
|
dissect_nano_state(tvb, tree, 1);
|
|
break;
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
// a bootstrap client command starts with a Nano header
|
|
offset = dissect_nano_header(tvb, tree, 0, &nano_packet_type, &extensions);
|
|
session_state->client_packet_type = nano_packet_type;
|
|
|
|
switch (nano_packet_type) {
|
|
case NANO_PACKET_TYPE_BULK_PULL:
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Bulk Pull Request ");
|
|
dissect_nano_bulk_pull(tvb, tree, offset);
|
|
break;
|
|
case NANO_PACKET_TYPE_BULK_PUSH:
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Bulk Push Request ");
|
|
break;
|
|
case NANO_PACKET_TYPE_FRONTIER_REQ:
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Frontier Request ");
|
|
dissect_nano_frontier_req(tvb, tree, offset);
|
|
break;
|
|
case NANO_PACKET_TYPE_BULK_PULL_BLOCKS:
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Bulk Pull Blocks Request ");
|
|
dissect_nano_bulk_pull_blocks(tvb, tree, offset);
|
|
break;
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
// determine the length of a nano bootstrap message (server)
|
|
static guint get_nano_tcp_server_message_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
int nano_block_type;
|
|
struct nano_session_state *session_state;
|
|
|
|
session_state = (struct nano_session_state *)data;
|
|
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PULL ||
|
|
session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PULL_BLOCKS) {
|
|
// we're in response to a bulk pull (blocks), so we expect a block type (uint8) and a block
|
|
|
|
nano_block_type = tvb_get_guint8(tvb, offset);
|
|
switch (nano_block_type) {
|
|
case NANO_BLOCK_TYPE_NOT_A_BLOCK:
|
|
return 1;
|
|
case NANO_BLOCK_TYPE_SEND:
|
|
return 1 + NANO_BLOCK_SIZE_SEND;
|
|
case NANO_BLOCK_TYPE_RECEIVE:
|
|
return 1 + NANO_BLOCK_SIZE_RECEIVE;
|
|
case NANO_BLOCK_TYPE_OPEN:
|
|
return 1 + NANO_BLOCK_SIZE_OPEN;
|
|
case NANO_BLOCK_TYPE_CHANGE:
|
|
return 1 + NANO_BLOCK_SIZE_CHANGE;
|
|
case NANO_BLOCK_TYPE_STATE:
|
|
return 1 + NANO_BLOCK_SIZE_STATE;
|
|
default:
|
|
// this is invalid
|
|
return tvb_captured_length(tvb) - offset;
|
|
}
|
|
}
|
|
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_FRONTIER_REQ) {
|
|
return 32 + 32;
|
|
}
|
|
|
|
return tvb_captured_length(tvb) - offset;
|
|
}
|
|
|
|
// dissect a frontier response entry
|
|
static int dissect_nano_frontier(tvbuff_t *tvb, proto_tree *nano_tree, int offset)
|
|
{
|
|
proto_tree *frontier_tree;
|
|
|
|
frontier_tree = proto_tree_add_subtree(nano_tree, tvb, offset, 32+32, ett_nano_frontier, NULL, "Frontier");
|
|
|
|
proto_tree_add_item(frontier_tree, hf_nano_frontier_account, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
proto_tree_add_item(frontier_tree, hf_nano_frontier_head_hash, tvb, offset, 32, ENC_NA);
|
|
offset += 32;
|
|
|
|
return offset;
|
|
}
|
|
|
|
// dissect a single nano bootstrap message (server)
|
|
static int dissect_nano_tcp_server_message(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_)
|
|
{
|
|
int nano_block_type;
|
|
struct nano_session_state *session_state;
|
|
|
|
session_state = (struct nano_session_state *)data;
|
|
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PULL ||
|
|
session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PULL_BLOCKS) {
|
|
|
|
// we're within a bulk pull (blocks)
|
|
col_set_str(pinfo->cinfo, COL_INFO, session_state->client_packet_type == NANO_PACKET_TYPE_BULK_PULL ? "Bulk Pull Response " : "Bulk Pull Blocks Response ");
|
|
|
|
proto_tree_add_item_ret_uint(tree, hf_nano_bulk_pull_block_type, tvb, 0, 1, ENC_NA, &nano_block_type);
|
|
switch (nano_block_type) {
|
|
case NANO_BLOCK_TYPE_NOT_A_BLOCK:
|
|
session_state->client_packet_type = NANO_PACKET_TYPE_INVALID;
|
|
break;
|
|
case NANO_BLOCK_TYPE_SEND:
|
|
dissect_nano_send_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_RECEIVE:
|
|
dissect_nano_receive_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_OPEN:
|
|
dissect_nano_open_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_CHANGE:
|
|
dissect_nano_change_block(tvb, tree, 1);
|
|
break;
|
|
case NANO_BLOCK_TYPE_STATE:
|
|
dissect_nano_state(tvb, tree, 1);
|
|
break;
|
|
}
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
if (session_state->client_packet_type == NANO_PACKET_TYPE_FRONTIER_REQ) {
|
|
col_set_str(pinfo->cinfo, COL_INFO, "Frontier Response ");
|
|
dissect_nano_frontier(tvb, tree, 0);
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
// dissect a Nano bootstrap packet (TCP)
|
|
static int dissect_nano_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
int is_client;
|
|
proto_item *ti;
|
|
proto_tree *nano_tree;
|
|
conversation_t *conversation;
|
|
struct nano_session_state *session_state, *packet_session_state;
|
|
|
|
// try to find this conversation
|
|
if ((conversation = find_conversation_pinfo(pinfo, 0)) == NULL) {
|
|
// create new conversation
|
|
conversation = conversation_new(pinfo->num, &pinfo->src, &pinfo->dst, conversation_pt_to_endpoint_type(pinfo->ptype),
|
|
pinfo->srcport, pinfo->destport, 0);
|
|
}
|
|
|
|
// try to find session state
|
|
session_state = (struct nano_session_state *)conversation_get_proto_data(conversation, proto_nano);
|
|
if (!session_state) {
|
|
// create new session state
|
|
session_state = (struct nano_session_state *)wmem_alloc0(wmem_file_scope(), sizeof(struct nano_session_state));
|
|
session_state->client_packet_type = NANO_PACKET_TYPE_INVALID;
|
|
session_state->server_port = pinfo->match_uint;
|
|
conversation_add_proto_data(conversation, proto_nano, session_state);
|
|
}
|
|
|
|
// check if we have a session state associated with the packet (start state for this packet)
|
|
packet_session_state = (struct nano_session_state *)p_get_proto_data(wmem_file_scope(), pinfo, proto_nano, 0);
|
|
if (!packet_session_state) {
|
|
// this packet does not have a stored session state, get it from the conversation
|
|
packet_session_state = (struct nano_session_state *)wmem_alloc0(wmem_file_scope(), sizeof(struct nano_session_state));
|
|
memcpy(packet_session_state, session_state, sizeof(struct nano_session_state));
|
|
p_add_proto_data(wmem_file_scope(), pinfo, proto_nano, 0, packet_session_state);
|
|
} else {
|
|
// this packet has a stored session state, take this as a starting point
|
|
memcpy(session_state, packet_session_state, sizeof(struct nano_session_state));
|
|
}
|
|
|
|
// set some columns to meaningful defaults
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Nano Bootstrap");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
// add Nano protocol tree
|
|
ti = proto_tree_add_item(tree, proto_nano, tvb, 0, -1, ENC_NA);
|
|
nano_tree = proto_item_add_subtree(ti, ett_nano);
|
|
|
|
// is this a bootstrap client or server?
|
|
is_client = pinfo->destport == session_state->server_port;
|
|
|
|
if (is_client) {
|
|
// Nano bootstrap client
|
|
tcp_dissect_pdus(tvb, pinfo, nano_tree, TRUE, 1, get_nano_tcp_client_message_len, dissect_nano_tcp_client_message, session_state);
|
|
|
|
} else {
|
|
// Nano bootstrap server
|
|
tcp_dissect_pdus(tvb, pinfo, nano_tree, TRUE, 1, get_nano_tcp_server_message_len, dissect_nano_tcp_server_message, session_state);
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* Heuristics test */
|
|
static gboolean test_nano(packet_info *pinfo _U_, tvbuff_t *tvb, int offset _U_, void *data _U_)
|
|
{
|
|
// if it's not a complete header length, it's not Nano.
|
|
if (tvb_captured_length(tvb) < NANO_HEADER_LENGTH)
|
|
return FALSE;
|
|
|
|
// first byte must be 'R', second byte 'A' or 'B' or 'C'
|
|
if (tvb_get_guint8(tvb, 0) != (guint8) 'R')
|
|
return FALSE;
|
|
|
|
char network = (char) tvb_get_guint8(tvb, 1);
|
|
if (network != 'A' && network != 'B' && network != 'C')
|
|
return FALSE;
|
|
|
|
guint8 version_max = tvb_get_guint8(tvb, 2);
|
|
guint8 version_using = tvb_get_guint8(tvb, 3);
|
|
guint8 version_min = tvb_get_guint8(tvb, 4);
|
|
if (version_max > 30 || version_max < version_using || version_using < version_min)
|
|
return FALSE;
|
|
|
|
guint8 ptype = tvb_get_guint8(tvb, 5);
|
|
if (ptype > 15)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean dissect_nano_heur_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
conversation_t *conversation;
|
|
struct nano_session_state *session_state;
|
|
|
|
if (!test_nano(pinfo, tvb, 0, data))
|
|
return FALSE;
|
|
|
|
conversation = find_or_create_conversation(pinfo);
|
|
conversation_set_dissector(conversation, nano_tcp_handle);
|
|
|
|
// try to find session state
|
|
session_state = (struct nano_session_state *)conversation_get_proto_data(conversation, proto_nano);
|
|
if (!session_state) {
|
|
// create new session state
|
|
session_state = (struct nano_session_state *)wmem_alloc0(wmem_file_scope(), sizeof(struct nano_session_state));
|
|
session_state->client_packet_type = NANO_PACKET_TYPE_INVALID;
|
|
session_state->server_port = pinfo->destport;
|
|
conversation_add_proto_data(conversation, proto_nano, session_state);
|
|
}
|
|
|
|
dissect_nano_tcp(tvb, pinfo, tree, data);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean dissect_nano_heur_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
conversation_t *conversation;
|
|
|
|
if (!test_nano(pinfo, tvb, 0, data))
|
|
return FALSE;
|
|
|
|
conversation = find_or_create_conversation(pinfo);
|
|
conversation_set_dissector(conversation, nano_handle);
|
|
|
|
dissect_nano(tvb, pinfo, tree, data);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void proto_register_nano(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
{ &hf_nano_magic_number,
|
|
{ "Magic Number", "nano.magic_number",
|
|
FT_STRING, STR_ASCII, NULL, 0x00,
|
|
"Nano Protocol Magic Number", HFILL }
|
|
},
|
|
{ &hf_nano_version_max,
|
|
{ "Maximum Version", "nano.version_max",
|
|
FT_UINT8, BASE_DEC_HEX, NULL, 0x00,
|
|
"Maximum Supported Protocol Version", HFILL }
|
|
},
|
|
{ &hf_nano_version_using,
|
|
{ "Using Version", "nano.version_using",
|
|
FT_UINT8, BASE_DEC_HEX, NULL, 0x00,
|
|
"Used Protocol Version", HFILL }
|
|
},
|
|
{ &hf_nano_version_min,
|
|
{ "Minimum Version", "nano.version_min",
|
|
FT_UINT8, BASE_DEC_HEX, NULL, 0x00,
|
|
"Minimum Supported Protocol Version", HFILL }
|
|
},
|
|
{ &hf_nano_packet_type,
|
|
{ "Packet Type", "nano.packet_type",
|
|
FT_UINT8, BASE_DEC_HEX, VALS(nano_packet_type_strings), 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_extensions,
|
|
{ "Extensions Field", "nano.extensions",
|
|
FT_UINT16, BASE_HEX, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_extensions_block_type,
|
|
{ "Block Type", "nano.extensions.block_type",
|
|
FT_UINT16, BASE_HEX, VALS(nano_block_type_strings), 0x0f00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_keepalive_peer_ip,
|
|
{ "Peer IP Address", "nano.keepalive.peer_ip",
|
|
FT_IPv6, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_keepalive_peer_port,
|
|
{ "Peer Port", "nano.keepalive.peer_port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_hash_previous,
|
|
{ "Previous Block Hash", "nano.block.hash_previous",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_hash_source,
|
|
{ "Source Block Hash", "nano.block.hash_source",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_signature,
|
|
{ "Signature", "nano.block.signature",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_work,
|
|
{ "Work", "nano.block.work",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_destination_account,
|
|
{ "Destination Account", "nano.block.destination_account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_balance,
|
|
{ "Balance", "nano.block.balance",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_account,
|
|
{ "Account", "nano.block.account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_representative_account,
|
|
{ "Representative Account", "nano.block.representative_account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_block_link,
|
|
{ "Link", "nano.block.link",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_vote_account,
|
|
{ "Account", "nano.vote.account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_vote_signature,
|
|
{ "Signature", "nano.vote.signature",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_vote_sequence,
|
|
{ "Sequence", "nano.vote.sequence",
|
|
FT_UINT64, BASE_DEC_HEX, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_account,
|
|
{ "Account", "nano.bulk_pull.account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_block_hash_end,
|
|
{ "End Block Hash", "nano.bulk_pull_block.hash_end",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_frontier_req_account,
|
|
{ "Account", "nano.frontier_req.account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_frontier_req_age,
|
|
{ "Age", "nano.frontier_req.age",
|
|
FT_UINT32, BASE_HEX_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_frontier_req_count,
|
|
{ "Count", "nano.frontier_req.count",
|
|
FT_UINT32, BASE_HEX_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_blocks_min_hash,
|
|
{ "Min Block Hash", "nano.bulk_pull_blocks.min_hash",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_blocks_max_hash,
|
|
{ "Max Block Hash", "nano.bulk_pull_blocks.max_hash",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_blocks_mode,
|
|
{ "Mode", "nano.bulk_pull_blocks.max_hash",
|
|
FT_UINT8, BASE_DEC_HEX, VALS(nano_bulk_pull_blocks_mode_strings), 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_blocks_max_count,
|
|
{ "Max Count", "nano.bulk_pull_blocks.max_count",
|
|
FT_UINT32, BASE_HEX_DEC, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_push_block_type,
|
|
{ "Block Type", "nano.bulk_push.block_type",
|
|
FT_UINT8, BASE_HEX, VALS(nano_block_type_strings), 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_bulk_pull_block_type,
|
|
{ "Block Type", "nano.bulk_pull.block_type",
|
|
FT_UINT8, BASE_HEX, VALS(nano_block_type_strings), 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_frontier_account,
|
|
{ "Account", "nano.frontier.account",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_nano_frontier_head_hash,
|
|
{ "Head Hash", "nano.frontier.head_hash",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00,
|
|
NULL, HFILL }
|
|
}
|
|
};
|
|
|
|
static gint *ett[] = {
|
|
&ett_nano,
|
|
&ett_nano_header,
|
|
&ett_nano_extensions,
|
|
&ett_nano_peers,
|
|
&ett_nano_peer_details[0],
|
|
&ett_nano_peer_details[1],
|
|
&ett_nano_peer_details[2],
|
|
&ett_nano_peer_details[3],
|
|
&ett_nano_peer_details[4],
|
|
&ett_nano_peer_details[5],
|
|
&ett_nano_peer_details[6],
|
|
&ett_nano_peer_details[7],
|
|
&ett_nano_block,
|
|
&ett_nano_vote,
|
|
&ett_nano_bulk_pull,
|
|
&ett_nano_frontier_req,
|
|
&ett_nano_bulk_pull_blocks,
|
|
&ett_nano_frontier
|
|
};
|
|
|
|
proto_nano = proto_register_protocol("Nano Cryptocurrency Protocol", "Nano", "nano");
|
|
|
|
proto_register_field_array(proto_nano, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
void proto_reg_handoff_nano(void)
|
|
{
|
|
nano_handle = register_dissector("nano", dissect_nano, proto_nano);
|
|
dissector_add_uint_with_preference("udp.port", NANO_UDP_PORT, nano_handle);
|
|
heur_dissector_add("udp", dissect_nano_heur_udp, "Nano UDP Heuristics", "nano-udp", proto_nano, HEURISTIC_DISABLE);
|
|
|
|
nano_tcp_handle = register_dissector("nano-over-tcp", dissect_nano_tcp, proto_nano);
|
|
dissector_add_uint_with_preference("tcp.port", NANO_TCP_PORT, nano_tcp_handle);
|
|
heur_dissector_add("tcp", dissect_nano_heur_tcp, "Nano TCP Heuristics", "nano-tcp", proto_nano, HEURISTIC_DISABLE);
|
|
}
|
|
|
|
/*
|
|
* 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:
|
|
*/
|