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-rw-r--r--src/include/ndpi_protocol_ids.h3
-rw-r--r--src/include/ndpi_protocols.h1
-rw-r--r--src/include/ndpi_typedefs.h5
-rw-r--r--src/lib/ndpi_main.c10
-rw-r--r--src/lib/protocols/bitcoin.c71
-rw-r--r--src/lib/protocols/mining.c17
6 files changed, 88 insertions, 19 deletions
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index ad59a945f..cc903f95a 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -70,7 +70,7 @@ typedef enum {
NDPI_PROTOCOL_SIGNAL = 39,
NDPI_PROTOCOL_MEMCACHED = 40, /* Memcached */
NDPI_PROTOCOL_SMBV23 = 41, /* SMB version 2/3 */
- NDPI_PROTOCOL_MINING = 42, /* Bitcoin, Ethereum, ZCash, Monero */
+ NDPI_PROTOCOL_MINING = 42, /* Ethereum, ZCash, Monero */
NDPI_PROTOCOL_NEST_LOG_SINK = 43, /* Nest Log Sink (Nest Protect) */
NDPI_PROTOCOL_MODBUS = 44, /* Modbus */
NDPI_PROTOCOL_WHATSAPP_CALL = 45, /* WhatsApp video ad audio calls go here */
@@ -371,6 +371,7 @@ typedef enum {
NDPI_PROTOCOL_EPICGAMES = 340,
NDPI_PROTOCOL_GEFORCENOW = 341,
NDPI_PROTOCOL_NVIDIA = 342,
+ NDPI_PROTOCOL_BITCOIN = 343,
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"
diff --git a/src/include/ndpi_protocols.h b/src/include/ndpi_protocols.h
index a1b98eeeb..9bcb5ada9 100644
--- a/src/include/ndpi_protocols.h
+++ b/src/include/ndpi_protocols.h
@@ -242,6 +242,7 @@ void init_source_engine_dissector(struct ndpi_detection_module_struct *ndpi_stru
void init_bacnet_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_oicq_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_epicgames_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_bitcoin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
/* ndpi_main.c */
extern u_int32_t ndpi_ip_port_hash_funct(u_int32_t ip, u_int16_t port);
diff --git a/src/include/ndpi_typedefs.h b/src/include/ndpi_typedefs.h
index b4392e1f3..fd399b4f8 100644
--- a/src/include/ndpi_typedefs.h
+++ b/src/include/ndpi_typedefs.h
@@ -1058,6 +1058,11 @@ typedef enum {
CUSTOM_CATEGORY_ANTIMALWARE = 105,
/*
+ Crypto Currency e.g Bitcoin, Litecoin, Etherum ..et.
+ */
+ NDPI_PROTOCOL_CATEGORY_CRYPTO_CURRENCY = 106,
+
+ /*
IMPORTANT
Please keep in sync with
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index b37ae40ab..0cb900c3b 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -1226,7 +1226,7 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 1 /* app proto */, NDPI_PROTOCOL_UNSAFE, NDPI_PROTOCOL_MINING,
"Mining", CUSTOM_CATEGORY_MINING,
- ndpi_build_default_ports(ports_a, 8333, 30303, 0, 0, 0) /* TCP */,
+ ndpi_build_default_ports(ports_a, 30303, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 1 /* app proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_NEST_LOG_SINK,
"NestLogSink", NDPI_PROTOCOL_CATEGORY_CLOUD,
@@ -2084,6 +2084,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
"SRTP", NDPI_PROTOCOL_CATEGORY_MEDIA,
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+ ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_BITCOIN,
+ "BITCOIN", NDPI_PROTOCOL_CATEGORY_CRYPTO_CURRENCY,
+ ndpi_build_default_ports(ports_a, 8333, 0, 0, 0, 0) /* TCP */,
+ ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
#ifdef CUSTOM_NDPI_PROTOCOLS
@@ -2719,6 +2723,7 @@ static const char *categories[] = {
"Site_Unavailable",
"Allowed_Site",
"Antimalware",
+ "Crypto_Currency",
};
#if !defined(NDPI_CFFI_PREPROCESSING) && defined(__linux__)
@@ -4953,6 +4958,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
/* EpicGames */
init_epicgames_dissector(ndpi_str, &a);
+ /*BITCOIN*/
+ init_bitcoin_dissector(ndpi_str, &a);
+
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_main_init.c"
#endif
diff --git a/src/lib/protocols/bitcoin.c b/src/lib/protocols/bitcoin.c
new file mode 100644
index 000000000..2154e912a
--- /dev/null
+++ b/src/lib/protocols/bitcoin.c
@@ -0,0 +1,71 @@
+/*
+ * bitcoin.c
+ *
+ * Copyright (C) 2018-23 - ntop.org
+ *
+ * This file is part of nDPI, an open source deep packet inspection
+ * library based on the OpenDPI and PACE technology by ipoque GmbH
+ *
+ * nDPI is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * nDPI is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with nDPI. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "ndpi_protocol_ids.h"
+#define NDPI_CURRENT_PROTO NDPI_PROTOCOL_BITCOIN
+#include "ndpi_api.h"
+
+/*https://en.bitcoin.it/wiki/Protocol_documentation*/
+#define MAIN_NET_MAGIC 0xF9BEB4D9
+#define TEST_NET_MAGIC 0xFABFB5DA
+#define TEST_3_NET_MAGIC 0x0B110907
+#define SIG_NET_MAGIC 0x0A03CF40
+#define NAME_COIN_NET_MAGIC 0xF9BEB4FE
+
+static void ndpi_search_bitcoin(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow) {
+ NDPI_LOG_DBG(ndpi_struct, "search BITCOIN\n");
+ struct ndpi_packet_struct *packet = &ndpi_struct->packet;
+ if(packet->payload_packet_len >= 4) {
+ if(packet->tcp->source == htons(8333) ||
+ packet->tcp->dest == htons(8333)) {
+ u_int32_t ntoh_to_match = ntohl(*(u_int32_t*)packet->payload);
+ switch (ntoh_to_match) {
+ case MAIN_NET_MAGIC:
+ case TEST_NET_MAGIC:
+ case TEST_3_NET_MAGIC:
+ case SIG_NET_MAGIC:
+ case NAME_COIN_NET_MAGIC:
+ ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_BITCOIN, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+ NDPI_LOG_INFO(ndpi_struct, "found BITCOIN\n");
+ return;
+ }
+ }
+ }
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+/* ************************************************************************** */
+
+void init_bitcoin_dissector(struct ndpi_detection_module_struct *ndpi_struct,
+ u_int32_t *id)
+{
+ ndpi_set_bitmask_protocol_detection("Bitcoin", ndpi_struct, *id,
+ NDPI_PROTOCOL_BITCOIN,
+ ndpi_search_bitcoin,
+ NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+ SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+ ADD_TO_DETECTION_BITMASK);
+
+ *id += 1;
+}
+
diff --git a/src/lib/protocols/mining.c b/src/lib/protocols/mining.c
index c6a3420b7..ba1da1454 100644
--- a/src/lib/protocols/mining.c
+++ b/src/lib/protocols/mining.c
@@ -98,23 +98,6 @@ static void ndpi_search_mining_tcp(struct ndpi_detection_module_struct *ndpi_str
/* Check connection over TCP */
if(packet->payload_packet_len > 10) {
- if(packet->tcp->source == htons(8333) ||
- packet->tcp->dest == htons(8333)) {
- /*
- Bitcoin
-
- bitcoin.magic == 0xf9beb4d9 || bitcoin.magic == 0xfabfb5da
- */
- u_int32_t magic = htonl(0xf9beb4d9), magic1 = htonl(0xfabfb5da), *to_match = (u_int32_t*)packet->payload;
-
- if((*to_match == magic) || (*to_match == magic1)) {
- ndpi_snprintf(flow->flow_extra_info, sizeof(flow->flow_extra_info), "%s", "ETH");
- ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_MINING, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
- cacheMiningHostTwins(ndpi_struct, flow);
- return;
- }
- }
-
if((packet->payload_packet_len > 300)
&& (packet->payload_packet_len < 600)
&& (packet->payload[2] == 0x04)) {
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