Added EasyWeather protocol dissectoradd/easyweather

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

4 files changed, 71 insertions, 0 deletions

diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
index 8d963149e..9899c71a6 100644
--- a/src/include/ndpi_private.h
+++ b/src/include/ndpi_private.h
@@ -1038,6 +1038,7 @@ void init_msdo_dissector(struct ndpi_detection_module_struct *ndpi_struct);
 void init_melsec_dissector(struct ndpi_detection_module_struct *ndpi_struct);
 void init_hamachi_dissector(struct ndpi_detection_module_struct *ndpi_struct);
 void init_glbp_dissector(struct ndpi_detection_module_struct *ndpi_struct);
+void init_easyweather_dissector(struct ndpi_detection_module_struct *ndpi_struct);
 
 #ifdef CUSTOM_NDPI_PROTOCOLS
   #include "../../../nDPI-custom/custom_ndpi_private.h"
diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index a4a4fc7fe..15bf64243 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -481,6 +481,7 @@ typedef enum {
   NDPI_PROTOCOL_KICK                  = 450,
   NDPI_PROTOCOL_HAMACHI               = 451,
   NDPI_PROTOCOL_GLBP                  = 452,
+  NDPI_PROTOCOL_EASYWEATHER           = 453,
 
 #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 2b8619032..7c346732e 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2897,6 +2897,11 @@ static void init_protocol_defaults(struct ndpi_detection_module_struct *ndpi_str
 			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 3222, 0, 0, 0, 0) /* UDP */,
 			  0);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_EASYWEATHER,
+                          "EasyWeather", NDPI_PROTOCOL_CATEGORY_NETWORK, NDPI_PROTOCOL_QOE_CATEGORY_UNSPECIFIED,
+                          ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
+                          ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */,
+                          0);
 
   /* Remove */
   ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_FREE,
@@ -7208,6 +7213,9 @@ static int dissectors_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Gateway Load Balancing Protocol */
   init_glbp_dissector(ndpi_str);
 
+  /* EasyWeather Wifi Protocol */
+  init_easyweather_dissector(ndpi_str);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif
diff --git a/src/lib/protocols/easyweather.c b/src/lib/protocols/easyweather.c
new file mode 100644
index 000000000..50a828eec
--- /dev/null
+++ b/src/lib/protocols/easyweather.c
@@ -0,0 +1,61 @@
+/*
+ * easyweather.c
+ *
+ * Copyright (C) 2025 - 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_EASYWEATHER
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_easyweather_add_connection(struct ndpi_detection_module_struct * const ndpi_struct,
+                                                struct ndpi_flow_struct * const flow)
+{
+  NDPI_LOG_INFO(ndpi_struct, "found EasyWeather Protocol\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow,
+                             NDPI_PROTOCOL_EASYWEATHER,
+                             NDPI_PROTOCOL_UNKNOWN,
+                             NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_easyweather(struct ndpi_detection_module_struct *ndpi_struct,
+                                    struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct * const packet = &ndpi_struct->packet;
+
+  NDPI_LOG_DBG(ndpi_struct, "search EasyWeather Protocol\n");
+
+  if (packet->payload_packet_len < 5 ||
+      ntohl(get_u_int32_t(packet->payload, 0)) != 0xFFFF1200)
+  {
+    NDPI_EXCLUDE_DISSECTOR(ndpi_struct, flow);
+    return;
+  }
+
+  ndpi_int_easyweather_add_connection(ndpi_struct, flow);
+}
+
+void init_easyweather_dissector(struct ndpi_detection_module_struct *ndpi_struct)
+{
+  register_dissector("EasyWeather", ndpi_struct,
+                     ndpi_search_easyweather,
+                     NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+                     1, NDPI_PROTOCOL_EASYWEATHER);
+}