Add Call of Duty Mobile support (#2438)

5 files changed, 92 insertions, 3 deletions

diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
index 975f44510..4fabe1634 100644
--- a/src/include/ndpi_private.h
+++ b/src/include/ndpi_private.h
@@ -918,6 +918,7 @@ void init_knxnet_ip_dissector(struct ndpi_detection_module_struct *ndpi_struct,
 void init_bfcp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_iqiyi_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_egd_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_cod_mobile_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 7dcee82f0..40bbbd4f6 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -214,7 +214,7 @@ typedef enum {
   NDPI_PROTOCOL_PINTEREST             = 183,
   NDPI_PROTOCOL_VHUA                  = 184,
   NDPI_PROTOCOL_TELEGRAM              = 185,
-  NDPI_PROTOCOL_FREE_186              = 186,  /* FREE */
+  NDPI_PROTOCOL_COD_MOBILE            = 186,
   NDPI_PROTOCOL_PANDORA               = 187,
   NDPI_PROTOCOL_QUIC                  = 188,
   NDPI_PROTOCOL_ZOOM                  = 189, /* Zoom video conference. */
diff --git a/src/lib/ndpi_content_match.c.inc b/src/lib/ndpi_content_match.c.inc
index 864ed06dc..5f83d12bb 100644
--- a/src/lib/ndpi_content_match.c.inc
+++ b/src/lib/ndpi_content_match.c.inc
@@ -1616,6 +1616,8 @@ static ndpi_protocol_match host_match[] =
    { "irc.undernet.org",                 "IRC", NDPI_PROTOCOL_IRC, NDPI_PROTOCOL_CATEGORY_CHAT, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DEFAULT_LEVEL },
    { "irc.ircnet.com",                   "IRC", NDPI_PROTOCOL_IRC, NDPI_PROTOCOL_CATEGORY_CHAT, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DEFAULT_LEVEL },
 
+   { "codmwest.com",                     "CoD_Mobile", NDPI_PROTOCOL_COD_MOBILE, NDPI_PROTOCOL_CATEGORY_GAME, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_DEFAULT_LEVEL },
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_content_match_host_match.c.inc"
 #endif
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index eb5959dd6..b279838a7 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2308,8 +2308,8 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "ViberVoip", NDPI_PROTOCOL_CATEGORY_VOIP,
 			  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_FUN, NDPI_PROTOCOL_FREE_186,
-			  "Free186", NDPI_PROTOCOL_CATEGORY_MUSIC,
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_FUN, NDPI_PROTOCOL_COD_MOBILE,
+			  "CoD_Mobile", 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 */);
 
@@ -6223,6 +6223,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Ethernet Global Data */
   init_egd_dissector(ndpi_str, &a);
 
+  /* Call of Duty: Mobile */
+  init_cod_mobile_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif
diff --git a/src/lib/protocols/cod_mobile.c b/src/lib/protocols/cod_mobile.c
new file mode 100644
index 000000000..97bdca42d
--- /dev/null
+++ b/src/lib/protocols/cod_mobile.c
@@ -0,0 +1,83 @@
+/*
+ * cod_mobile.c
+ *
+ * Call of Duty: Mobile
+ * 
+ * Copyright (C) 2024 - ntop.org
+ * Copyright (C) 2024 - V.G <v.gavrilov@securitycode.ru>
+ *
+ * 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_COD_MOBILE
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_cod_mobile_add_connection(struct ndpi_detection_module_struct *ndpi_struct, 
+                                               struct ndpi_flow_struct *flow)
+{
+  NDPI_LOG_INFO(ndpi_struct, "found Call of Duty: Mobile\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_COD_MOBILE,
+                             NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_cod_mobile(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+
+  NDPI_LOG_DBG(ndpi_struct, "search Call of Duty: Mobile\n");
+  
+  if (packet->payload_packet_len == 12 &&
+      (ntohs(packet->udp->source) == 7500 || ntohs(packet->udp->dest) == 7500))
+  {
+    if (memcmp(&packet->payload[8], "ping", 4) == 0)
+    {
+      ndpi_int_cod_mobile_add_connection(ndpi_struct, flow);
+      return;
+    }
+  }
+
+  if (packet->payload_packet_len > 350 && packet->payload[0] == 0xCE)
+  {
+     if (ndpi_memmem(packet->payload, packet->payload_packet_len, "LOC_PREFAB_LOADOUTNAME_1",
+         NDPI_STATICSTRING_LEN("LOC_PREFAB_LOADOUTNAME_1")))
+     {
+       ndpi_int_cod_mobile_add_connection(ndpi_struct, flow);
+       return;
+     }
+  }
+
+  if (flow->packet_counter >= 4) {
+    NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+  }
+}
+
+void init_cod_mobile_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("CoD_Mobile", ndpi_struct, *id,
+                                      NDPI_PROTOCOL_COD_MOBILE,
+                                      ndpi_search_cod_mobile,
+                                      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+                                      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+                                      ADD_TO_DETECTION_BITMASK);
+
+  *id += 1;
+}