forked from osmocom/wireshark
Add dissector for Nano / RaiBlocks cryptocurrency protocol
Change-Id: I34f610a19a972db1c08d7896453e5ed671ec4dc6 Reviewed-on: https://code.wireshark.org/review/26394 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
Roland Haenel
Michael Mann
parent
6e75a0b277
commit
50484e3f3f
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@ -112,6 +112,7 @@ LoRaTap
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LoRaWAN
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Lustre Network
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Lustre Filesystem
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Nano / RaiBlocks Cryptocurrency Protocol (UDP)
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Network Functional Application Platform Interface (NFAPI) Protocol
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New Radio Radio Resource Control protocol
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NXP 802.15.4 Sniffer Protocol
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@ -1354,6 +1354,7 @@ set(DISSECTOR_SRC
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${CMAKE_CURRENT_SOURCE_DIR}/packet-multipart.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-mux27010.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-mysql.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-nano.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-nas_5gs.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-nas_eps.c
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${CMAKE_CURRENT_SOURCE_DIR}/packet-nasdaq-itch.c
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@ -974,6 +974,7 @@ DISSECTOR_SRC = \
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packet-multipart.c \
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packet-mux27010.c \
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packet-mysql.c \
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packet-nano.c \
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packet-nas_5gs.c \
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packet-nas_eps.c \
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packet-nasdaq-itch.c \
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@ -0,0 +1,498 @@
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/* 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 <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 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_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 gint ett_nano = -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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#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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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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{ 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_UDP_PORT 7075 /* Not IANA registered */
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/* Minimum length. If data is received with fewer than this many bytes it is rejected by
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* the current dissector. */
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#define NANO_MIN_LENGTH 8
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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_set_str(pinfo->cinfo, COL_INFO, wmem_strdup_printf(wmem_packet_scope(), "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, 32+32+64+8, 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, 32+32+16+64+8, 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, 32+32+32+64+8, 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, 32+32+64+8, 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 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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/* Code to actually dissect the packets */
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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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char *nano_magic_number;
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guint nano_packet_type, nano_block_type, offset;
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guint64 extensions;
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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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/* Check that the packet is long enough for it to belong to us. */
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if (tvb_reported_length(tvb) < NANO_MIN_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);
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nano_tree = proto_item_add_subtree(ti, ett_nano);
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nano_magic_number = tvb_get_string_enc(wmem_packet_scope(), tvb, 0, 2, ENC_ASCII);
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proto_tree_add_string_format_value(nano_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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proto_tree_add_item(nano_tree, hf_nano_version_max, tvb, 2, 1, ENC_NA);
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proto_tree_add_item(nano_tree, hf_nano_version_using, tvb, 3, 1, ENC_NA);
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proto_tree_add_item(nano_tree, hf_nano_version_min, tvb, 4, 1, ENC_NA);
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proto_tree_add_item_ret_uint(nano_tree, hf_nano_packet_type, tvb, 5, 1, ENC_NA, &nano_packet_type);
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proto_tree_add_bitmask_ret_uint64(nano_tree, tvb, 6, hf_nano_extensions, ett_nano_extensions, nano_extensions, ENC_LITTLE_ENDIAN, &extensions);
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// call specific dissectors for specific packet types
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offset = 8;
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switch (nano_packet_type) {
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case NANO_PACKET_TYPE_KEEPALIVE:
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return dissect_nano_keepalive(tvb, pinfo, nano_tree, offset);
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case NANO_PACKET_TYPE_PUBLISH:
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case NANO_PACKET_TYPE_CONFIRM_REQ:
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case NANO_PACKET_TYPE_CONFIRM_ACK:
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// set the INFO header with more information
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nano_block_type = (guint)((extensions >> 8) & 0xF);
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col_set_str(pinfo->cinfo, COL_INFO,
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wmem_strdup_printf(wmem_packet_scope(), "%s (%s)",
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val_to_str(nano_packet_type, VALS(nano_packet_type_strings), " "),
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val_to_str(nano_block_type, VALS(nano_block_type_strings), "Unknown (%d)")));
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// if it's a Confirm Ack packet, we first have a vote
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if (nano_packet_type == NANO_PACKET_TYPE_CONFIRM_ACK) {
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offset = dissect_nano_vote(tvb, nano_tree, offset);
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}
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// dissect the actual block
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switch (nano_block_type) {
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case NANO_BLOCK_TYPE_RECEIVE:
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dissect_nano_receive_block(tvb, nano_tree, offset);
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break;
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case NANO_BLOCK_TYPE_SEND:
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dissect_nano_send_block(tvb, nano_tree, offset);
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break;
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case NANO_BLOCK_TYPE_OPEN:
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dissect_nano_open_block(tvb, nano_tree, offset);
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break;
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case NANO_BLOCK_TYPE_CHANGE:
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dissect_nano_change_block(tvb, nano_tree, offset);
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break;
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}
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break;
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default:
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col_set_str(pinfo->cinfo, COL_INFO,
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val_to_str(nano_packet_type, VALS(nano_packet_type_strings), "Unknown (%d)"));
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}
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return tvb_captured_length(tvb);
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}
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void proto_register_nano(void)
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{
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static hf_register_info hf[] = {
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{ &hf_nano_magic_number,
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{ "Magic Number", "nano.magic_number",
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FT_STRING, STR_ASCII, NULL, 0x00,
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"Nano Protocol Magic Number", HFILL }
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},
|
||||
{ &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_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 }
|
||||
}
|
||||
};
|
||||
|
||||
static gint *ett[] = {
|
||||
&ett_nano,
|
||||
&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
|
||||
};
|
||||
|
||||
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)
|
||||
{
|
||||
dissector_handle_t nano_handle;
|
||||
|
||||
nano_handle = create_dissector_handle(dissect_nano, proto_nano);
|
||||
dissector_add_uint_with_preference("udp.port", NANO_UDP_PORT, nano_handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* 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:
|
||||
*/
|
||||
Loading…
Reference in New Issue