Added zabbix dissector

1 files changed, 63 insertions, 0 deletions

diff --git a/src/lib/protocols/zabbix.c b/src/lib/protocols/zabbix.c
new file mode 100644
index 000000000..9e67a3159
--- /dev/null
+++ b/src/lib/protocols/zabbix.c
@@ -0,0 +1,63 @@
+/*
+ * zabbix.c
+ *
+ * Copyright (C) 2019 - 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_ZABBIX
+
+#include "ndpi_api.h"
+
+/* *************************************************** */
+
+static void ndpi_int_zabbix_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+					   struct ndpi_flow_struct *flow/* , */
+					   /* ndpi_protocol_type_t protocol_type */) {
+  ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_ZABBIX, NDPI_PROTOCOL_UNKNOWN);
+}
+
+/* *************************************************** */
+
+void ndpi_search_zabbix(struct ndpi_detection_module_struct *ndpi_struct,
+			struct ndpi_flow_struct *flow) {
+  struct ndpi_packet_struct *packet = &flow->packet;
+  u_int8_t tomatch[] = { 'Z', 'B', 'X', 'D', 0x1 };
+
+  NDPI_LOG_DBG(ndpi_struct, "search Zabbix\n");
+
+  if((packet->payload_packet_len > 4)
+     && (memcmp(packet->payload, tomatch, 5) == 0))    
+    ndpi_int_zabbix_add_connection(ndpi_struct, flow);
+  else
+    NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+}
+
+/* *************************************************** */
+
+void init_zabbix_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id,
+			   NDPI_PROTOCOL_BITMASK *detection_bitmask) {
+  ndpi_set_bitmask_protocol_detection("Zabbix", ndpi_struct, detection_bitmask, *id,
+				      NDPI_PROTOCOL_ZABBIX,
+				      ndpi_search_zabbix,
+				      NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION,
+				      SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+				      ADD_TO_DETECTION_BITMASK);
+
+  *id += 1;
+}