Add HiSLIP protocol dissector (#2214)

* Add HiSLIP protocol dissector

* Fix error

4 files changed, 79 insertions, 0 deletions

diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index e0b639e62..a5dcf04c7 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -400,6 +400,7 @@ typedef enum {
   NDPI_PROTOCOL_MONERO                = 369,
   NDPI_PROTOCOL_DCERPC                = 370,
   NDPI_PROTOCOL_PROFINET_IO           = 371,
+  NDPI_PROTOCOL_HISLIP                = 372,
 
 #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 1620f6a57..39c33a77a 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2190,6 +2190,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
 			  "PROFINET_IO", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
 			  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_ACCEPTABLE, NDPI_PROTOCOL_HISLIP,
+			  "HiSLIP", NDPI_PROTOCOL_CATEGORY_IOT_SCADA,
+			  ndpi_build_default_ports(ports_a, 4880, 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"
@@ -5681,6 +5685,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
   /* PROFINET/IO */
   init_profinet_io_dissector(ndpi_str, &a);
 
+  /* HiSLIP */
+  init_hislip_dissector(ndpi_str, &a);
+
 #ifdef CUSTOM_NDPI_PROTOCOLS
 #include "../../../nDPI-custom/custom_ndpi_main_init.c"
 #endif
diff --git a/src/lib/ndpi_private.h b/src/lib/ndpi_private.h
index 7a4a0e705..4b457bb28 100644
--- a/src/lib/ndpi_private.h
+++ b/src/lib/ndpi_private.h
@@ -635,6 +635,7 @@ void init_iso9506_1_mms_dissector(struct ndpi_detection_module_struct *ndpi_stru
 void init_ieee_c37118_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_ethersbus_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 void init_profinet_io_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_hislip_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
 
 #endif
 
diff --git a/src/lib/protocols/hislip.c b/src/lib/protocols/hislip.c
new file mode 100644
index 000000000..fbb04d545
--- /dev/null
+++ b/src/lib/protocols/hislip.c
@@ -0,0 +1,70 @@
+/*
+ * hisleep.c
+ *
+ * High-Speed LAN Instrument Protocol
+ * 
+ * Copyright (C) 2023 - ntop.org
+ * Copyright (C) 2023 - 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_HISLIP
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_hislip_add_connection(struct ndpi_detection_module_struct * const ndpi_struct,
+                                           struct ndpi_flow_struct * const flow)
+{
+  NDPI_LOG_INFO(ndpi_struct, "found HiSLIP\n");
+  ndpi_set_detected_protocol(ndpi_struct, flow,
+                             NDPI_PROTOCOL_HISLIP,
+                             NDPI_PROTOCOL_UNKNOWN,
+                             NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_hislip(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 >= 16) &&
+      (memcmp(packet->payload, "HS", 2) == 0) && ((packet->payload[2] - 26) < 0x65) &&
+      (ndpi_ntohll(get_u_int64_t(packet->payload, 8)) == (u_int64_t)(packet->payload_packet_len - 16)))
+  {
+    ndpi_int_hislip_add_connection(ndpi_struct, flow);
+    return;
+  }
+
+  NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_hislip_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+  ndpi_set_bitmask_protocol_detection("HiSLIP", ndpi_struct, *id,
+              NDPI_PROTOCOL_HISLIP,
+              ndpi_search_hislip,
+              NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+              SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+              ADD_TO_DETECTION_BITMASK);
+
+  *id += 1;
+}