Add Naraka Bladepoint detection support (#2334)

4 files changed, 69 insertions, 0 deletions

diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
index d8a902695..cd955741c 100644
--- a/src/include/ndpi_private.h
+++ b/src/include/ndpi_private.h
@@ -910,6 +910,7 @@ void init_gaijin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_i
 void init_c1222_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_dlep_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_bfd_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_naraka_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 
 #endif
 
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index d57d526e7..8ea516a7e 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -430,6 +430,7 @@ typedef enum {
   NDPI_PROTOCOL_HUAWEI_CLOUD          = 399,
   NDPI_PROTOCOL_DLEP                  = 400,
   NDPI_PROTOCOL_BFD                   = 401,
+  NDPI_PROTOCOL_NARAKA                = 402,
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index d6d0970d3..e0a330768 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2250,6 +2250,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "BFD", NDPI_PROTOCOL_CATEGORY_NETWORK,
 			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 3784, 3785, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_NARAKA,
+			  "NarakaBladepoint", NDPI_PROTOCOL_CATEGORY_GAME,
+			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+			  ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main.c"
@@ -6078,6 +6082,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Bidirectional Forwarding Detection */
   init_bfd_dissector(ndpi_str, &a);
 
+  /* Naraka: Bladepoint */
+  init_naraka_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif
diff --git a/src/lib/protocols/naraka.c b/src/lib/protocols/naraka.c
new file mode 100644
index 000000000..97479e6d0
--- /dev/null
+++ b/src/lib/protocols/naraka.c
@@ -0,0 +1,60 @@
+/*
+ * naraka.c
+ *
+ * Copyright (C) 2024 - ntop.org
+ * Copyright (C) 2024 - V.G <jacendi@protonmail.com>
+ *
+ * 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_NARAKA
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_search_naraka(struct ndpi_detection_module_struct *ndpi_struct,
+                               struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+
+  if (packet->payload_packet_len > 30 &&
+      le32toh(get_u_int32_t(packet->payload, 0)) == 0x0C080807)
+  {
+    NDPI_LOG_INFO(ndpi_struct, "found Naraka Bladepoint\n");
+    ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_NARAKA,
+                             NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+    return;
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_naraka_dissector(struct ndpi_detection_module_struct *ndpi_struct,
+                           u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("NarakaBladepoint", ndpi_struct, *id,
+                                      NDPI_PROTOCOL_NARAKA,
+                                      ndpi_search_naraka,
+                                      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+                                      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+                                      ADD_TO_DETECTION_BITMASK);
+
+  *id += 1;
+}