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-rw-r--r--src/include/ndpi_private.h1
-rw-r--r--src/include/ndpi_protocol_ids.h1
-rw-r--r--src/include/ndpi_typedefs.h3
-rw-r--r--src/lib/ndpi_main.c7
-rw-r--r--src/lib/protocols/radmin.c98
5 files changed, 110 insertions, 0 deletions
diff --git a/src/include/ndpi_private.h b/src/include/ndpi_private.h
index b7c93d60d..e1273e696 100644
--- a/src/include/ndpi_private.h
+++ b/src/include/ndpi_private.h
@@ -722,6 +722,7 @@ void init_mumble_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_i
void init_zoom_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_yojimbo_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
void init_stomp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id);
+void init_radmin_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 7b77dad18..ffa9f0e16 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -419,6 +419,7 @@ typedef enum {
NDPI_PROTOCOL_YOJIMBO = 388,
NDPI_PROTOCOL_ELECTRONICARTS = 389,
NDPI_PROTOCOL_STOMP = 390,
+ NDPI_PROTOCOL_RADMIN = 391,
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"
diff --git a/src/include/ndpi_typedefs.h b/src/include/ndpi_typedefs.h
index 91dd4cff0..06adf1f55 100644
--- a/src/include/ndpi_typedefs.h
+++ b/src/include/ndpi_typedefs.h
@@ -869,6 +869,9 @@ struct ndpi_flow_tcp_struct {
/* NDPI_PROTOCOL_NEST_LOG_SINK */
u_int8_t nest_log_sink_matches;
+
+ /* NDPI_PROTOCOL_RADMIN */
+ u_int32_t radmin_stage:1;
};
/* ************************************************** */
diff --git a/src/lib/ndpi_main.c b/src/lib/ndpi_main.c
index 5fe52dd04..0cea75ced 100644
--- a/src/lib/ndpi_main.c
+++ b/src/lib/ndpi_main.c
@@ -2214,6 +2214,10 @@ static void ndpi_init_protocol_defaults(struct ndpi_detection_module_struct *ndp
"STOMP", NDPI_PROTOCOL_CATEGORY_RPC,
ndpi_build_default_ports(ports_a, 61613, 0, 0, 0, 0) /* TCP */,
ndpi_build_default_ports(ports_b, 0, 0, 0, 0, 0) /* UDP */);
+ ndpi_set_proto_defaults(ndpi_str, 0 /* encrypted */, 0 /* nw proto */, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_RADMIN,
+ "Radmin", NDPI_PROTOCOL_CATEGORY_REMOTE_ACCESS,
+ ndpi_build_default_ports(ports_a, 4899, 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"
@@ -5877,6 +5881,9 @@ static int ndpi_callback_init(struct ndpi_detection_module_struct *ndpi_str) {
/* STOMP */
init_stomp_dissector(ndpi_str, &a);
+ /* RDP */
+ init_radmin_dissector(ndpi_str, &a);
+
#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_main_init.c"
#endif
diff --git a/src/lib/protocols/radmin.c b/src/lib/protocols/radmin.c
new file mode 100644
index 000000000..4ecf12f1b
--- /dev/null
+++ b/src/lib/protocols/radmin.c
@@ -0,0 +1,98 @@
+/*
+ * radmin.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_RADMIN
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+static void ndpi_int_radmin_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ NDPI_LOG_INFO(ndpi_struct, "found Radmin\n");
+ ndpi_set_detected_protocol(ndpi_struct, flow,
+ NDPI_PROTOCOL_RADMIN, NDPI_PROTOCOL_UNKNOWN,
+ NDPI_CONFIDENCE_DPI);
+ ndpi_set_risk(ndpi_struct, flow, NDPI_DESKTOP_OR_FILE_SHARING_SESSION, "Found Radmin");
+}
+
+static void ndpi_search_radmin(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+
+ if (current_pkt_from_client_to_server(ndpi_struct, flow) && packet->payload_packet_len == 10 &&
+ !flow->l4.tcp.radmin_stage)
+ {
+ if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x1000000 &&
+ packet->payload[4] == 1 &&
+ ntohs(get_u_int16_t(packet->payload, 8) == 0x808))
+ {
+ flow->l4.tcp.radmin_stage = 1;
+ return;
+ }
+ }
+
+ if (current_pkt_from_server_to_client(ndpi_struct, flow) && packet->payload_packet_len == 46 &&
+ flow->l4.tcp.radmin_stage)
+ {
+ if (ntohl(get_u_int32_t(packet->payload, 0)) == 0x1000000 &&
+ packet->payload[4] == 0x25 &&
+ ntohl(get_u_int32_t(packet->payload, 7)) == 0x2120802 &&
+ packet->payload[13] == 0x0A)
+ {
+ ndpi_int_radmin_add_connection(ndpi_struct, flow);
+ return;
+ }
+ }
+
+ if (packet->payload_packet_len == 14 &&
+ ntohl(get_u_int32_t(packet->payload, 0)) == 0x1000000 &&
+ packet->payload[4] == 5 &&
+ ntohs(get_u_int16_t(packet->payload, 8)) == 0x2727)
+ {
+ if (!flow->l4.tcp.radmin_stage) {
+ flow->l4.tcp.radmin_stage = 1;
+ return;
+ }
+
+ ndpi_int_radmin_add_connection(ndpi_struct, flow);
+ return;
+ }
+
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_radmin_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id)
+{
+ ndpi_set_bitmask_protocol_detection("Radmin", ndpi_struct, *id,
+ NDPI_PROTOCOL_RADMIN,
+ ndpi_search_radmin,
+ NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+ SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+ ADD_TO_DETECTION_BITMASK);
+ *id += 1;
+}
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