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-rw-r--r--src/include/ndpi_protocol_ids.h1
-rw-r--r--src/include/ndpi_protocols.h1
-rw-r--r--src/lib/ndpi_main.c11
-rw-r--r--src/lib/protocols/source_engine.c88
4 files changed, 99 insertions, 2 deletions
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index 27ce840cc..f6412df88 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -361,6 +361,7 @@ typedef enum {
NDPI_PROTOCOL_ELASTICSEARCH = 330,
NDPI_PROTOCOL_TUYA_LP = 331, /* TUYA LAN Protocol; IoT OS: https://github.com/tuya/tuya-iotos-embeded-sdk-wifi-ble-bk7231n */
NDPI_PROTOCOL_TPLINK_SHP = 332, /* TP-LINK Smart Home Protocol */
+ NDPI_PROTOCOL_SOURCE_ENGINE = 333,
#ifdef CUSTOM_NDPI_PROTOCOLS
diff --git a/src/include/ndpi_protocols.h b/src/include/ndpi_protocols.h
index 0389bcfad..422a279e4 100644
--- a/src/include/ndpi_protocols.h
+++ b/src/include/ndpi_protocols.h
@@ -237,6 +237,7 @@ void init_tuya_lp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_
void init_tplink_shp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_merakicloud_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_tailscale_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_source_engine_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/lib/ndpi_main.c b/src/lib/ndpi_main.c
index dc5834549..1718c11b7 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2049,11 +2049,11 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
"Elasticsearch", NDPI_PROTOCOL_CATEGORY_SYSTEM_OS,
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 /* encrypted */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TUYA_LP,
+ ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TUYA_LP,
"TuyaLP", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 6667, 0, 0, 0, 0) /* UDP */);
- ndpi_set_proto_defaults(ndpi_str, 1 /* encrypted */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TPLINK_SHP,
+ ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_TPLINK_SHP,
"TPLINK_SHP", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
ndpi_build_default_ports(ports_a, 9999, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 9999, 0, 0, 0, 0) /* UDP */);
@@ -2061,6 +2061,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
"Tailscale", NDPI_PROTOCOL_CATEGORY_VPN,
ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 41641, 0, 0, 0, 0) /* UDP */);
+ ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_SOURCE_ENGINE,
+ "Source_Engine", NDPI_PROTOCOL_CATEGORY_GAME,
+ ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+ ndpi_build_default_ports(ports_b, 27015, 0, 0, 0, 0) /* UDP */);
#ifdef CUSTOM_NDPI_PROTOCOLS
@@ -4894,6 +4898,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
/* Tailscale */
init_tailscale_dissector(ndpi_str, &a);
+ /* Source Engine */
+ init_source_engine_dissector(ndpi_str, &a);
+
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_main_init.c"
#endif
diff --git a/src/lib/protocols/source_engine.c b/src/lib/protocols/source_engine.c
new file mode 100644
index 000000000..5d6aa5399
--- /dev/null
+++ b/src/lib/protocols/source_engine.c
@@ -0,0 +1,88 @@
+/*
+ * source_engine.c
+ *
+ * Source Engine Protocol
+ *
+ * Copyright (C) 2023 - ntop.org
+ *
+ * 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_SOURCE_ENGINE
+
+#include "ndpi_api.h"
+
+static void ndpi_int_source_engine_add_connection(struct ndpi_detection_module_struct * const ndpi_struct,
+ struct ndpi_flow_struct * const flow)
+{
+ NDPI_LOG_INFO(ndpi_struct, "found Source Engine\n");
+
+ ndpi_set_detected_protocol(ndpi_struct, flow,
+ NDPI_PROTOCOL_SOURCE_ENGINE,
+ NDPI_PROTOCOL_UNKNOWN,
+ NDPI_CONFIDENCE_DPI);
+}
+
+/* ***************************************************** */
+
+static void ndpi_search_source_engine(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+ char const source_engine_query[] = "Source Engine Query";
+ size_t const source_engine_query_len = strlen(source_engine_query);
+
+ NDPI_LOG_DBG(ndpi_struct, "search Source Engine\n");
+
+ if (packet->payload_packet_len < source_engine_query_len + 1 /* '\0' */)
+ {
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+ return;
+ }
+
+ if (packet->payload[packet->payload_packet_len - 1] != '\0')
+ {
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+ return;
+ }
+
+ if (strncmp((char const *)&packet->payload[packet->payload_packet_len - source_engine_query_len - 1],
+ source_engine_query, source_engine_query_len) != 0)
+ {
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+ return;
+ }
+
+ ndpi_int_source_engine_add_connection(ndpi_struct, flow);
+}
+
+/* ***************************************************** */
+
+void init_source_engine_dissector(struct ndpi_detection_module_struct *ndpi_struct,
+ u_int32_t *id)
+{
+ ndpi_set_bitmask_protocol_detection("Source_Engine", ndpi_struct, *id,
+ NDPI_PROTOCOL_SOURCE_ENGINE,
+ ndpi_search_source_engine,
+ NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+ SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+ ADD_TO_DETECTION_BITMASK
+ );
+
+ *id += 1;
+}
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