From 8fd649ab1ed4ed5dce676d907843196c32c34a89 Mon Sep 17 00:00:00 2001
From: Toni <matzeton@googlemail.com>
Date: Mon, 17 Jun 2024 11:00:38 +0200
Subject: Add Ripe Atlas probe protocol. (#2473)
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
---
src/lib/protocols/ripe_atlas.c | 73 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 src/lib/protocols/ripe_atlas.c
(limited to 'src/lib/protocols')
diff --git a/src/lib/protocols/ripe_atlas.c b/src/lib/protocols/ripe_atlas.c
new file mode 100644
index 000000000..ac95f949c
--- /dev/null
+++ b/src/lib/protocols/ripe_atlas.c
@@ -0,0 +1,73 @@
+/*
+ * ripe_atlas.c
+ *
+ * Copyright (C) 2024 - ntop.org
+ *
+ * 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_RIPE_ATLAS
+
+#include "ndpi_api.h"
+#include "ndpi_private.h"
+
+
+static void ndpi_int_ripe_atlas_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ NDPI_LOG_DBG(ndpi_struct, "found (Magellan) Ripe Atlas Tool\n");
+ ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_RIPE_ATLAS,
+ NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI);
+}
+
+static void ndpi_search_ripe_atlas(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow)
+{
+ struct ndpi_packet_struct const * const packet = &ndpi_struct->packet;
+ char const * const payload = (char const *)packet->payload;
+ char const needle[] = "MGLNDD";
+
+ NDPI_LOG_DBG(ndpi_struct, "search (Magellan) Ripe Atlas Tool\n");
+
+ if (packet->payload_packet_len != 25) {
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+ return;
+ }
+
+ if (strncmp(payload, needle, NDPI_STATICSTRING_LEN(needle)) == 0) {
+ ndpi_int_ripe_atlas_add_connection(ndpi_struct, flow);
+ return;
+ }
+
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+void init_ripe_atlas_dissector(struct ndpi_detection_module_struct *ndpi_struct,
+ u_int32_t *id)
+{
+ ndpi_set_bitmask_protocol_detection("RipeAtlas", ndpi_struct, *id,
+ NDPI_PROTOCOL_RIPE_ATLAS,
+ ndpi_search_ripe_atlas,
+ NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_UDP_WITH_PAYLOAD,
+ SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+ ADD_TO_DETECTION_BITMASK);
+
+ *id += 1;
+}
--
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