From da629709f3c07bbd7ffda48be57af7dc56c57d5c Mon Sep 17 00:00:00 2001
From: Vladimir Gavrilov <105977161+0xA50C1A1@users.noreply.github.com>
Date: Mon, 27 Nov 2023 14:13:23 +0300
Subject: Add OPC UA protocol dissector (#2169)

---
 src/lib/ndpi_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/lib/ndpi_main.c')

diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index f7dff3e90..10d4b504b 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2138,6 +2138,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "RTPS", NDPI_PROTOCOL_CATEGORY_RPC,
 			  ndpi_build_default_ports(ports_a, 0, 0, 0, 0, 0) /* TCP */,
 			  ndpi_build_default_ports(ports_b, 7401, 0, 0, 0, 0) /* UDP */);
+  ndpi_set_proto_defaults(ndpi_str, 1 /* cleartext */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_OPC_UA,
+			  "OPC-UA", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
+			  ndpi_build_default_ports(ports_a, 4840, 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"
@@ -5577,6 +5581,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* Real-time Publish-Subscribe Protocol */
   init_rtps_dissector(ndpi_str, &a);
 
+  /* OPC Unified Architecture */
+  init_opc_ua_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif
-- 
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