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-rw-r--r--src/lib/protocols/lisp.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/lib/protocols/lisp.c b/src/lib/protocols/lisp.c
new file mode 100644
index 000000000..37077029c
--- /dev/null
+++ b/src/lib/protocols/lisp.c
@@ -0,0 +1,68 @@
+#include "ndpi_api.h"
+#ifdef NDPI_PROTOCOL_LISP
+
+#define LISP_PORT 4341
+#define LISP_PORT1 4342
+
+static void ndpi_int_lisp_add_connection(struct ndpi_detection_module_struct *ndpi_struct,
+ struct ndpi_flow_struct *flow,
+ u_int8_t due_to_correlation)
+{
+
+ ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_LISP, NDPI_PROTOCOL_UNKNOWN);
+}
+
+static void ndpi_check_lisp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+
+ struct ndpi_packet_struct *packet = &flow->packet;
+ u_int32_t payload_len = packet->payload_packet_len;
+
+ if(packet->udp != NULL) {
+
+ u_int16_t lisp_port = htons(LISP_PORT);
+ u_int16_t lisp_port1 = htons(LISP_PORT1);
+
+ if(((packet->udp->source == lisp_port)
+ && (packet->udp->dest == lisp_port)) ||
+ ((packet->udp->source == lisp_port1)
+ && (packet->udp->dest == lisp_port1)) ) {
+
+ NDPI_LOG(NDPI_PROTOCOL_LISP, ndpi_struct, NDPI_LOG_DEBUG, "Found lisp.\n");
+ ndpi_int_lisp_add_connection(ndpi_struct, flow, 0);
+ return;
+
+ }
+ }
+
+ NDPI_LOG(NDPI_PROTOCOL_lisp, ndpi_struct, NDPI_LOG_DEBUG, "exclude lisp.\n");
+ NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_LISP);
+}
+
+void ndpi_search_lisp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+ struct ndpi_packet_struct *packet = &flow->packet;
+
+ NDPI_LOG(NDPI_PROTOCOL_LISP, ndpi_struct, NDPI_LOG_DEBUG, "lisp detection...\n");
+
+ /* skip marked packets */
+ if (packet->detected_protocol_stack[0] != NDPI_PROTOCOL_LISP) {
+
+ ndpi_check_lisp(ndpi_struct, flow);
+
+ }
+}
+
+
+void init_my_lisp_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id, NDPI_PROTOCOL_BITMASK *detection_bitmask)
+{
+ ndpi_set_bitmask_protocol_detection("LISP", ndpi_struct, detection_bitmask, *id,
+ NDPI_PROTOCOL_LISP,
+ ndpi_search_lisp,
+ NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD,
+ SAVE_DETECTION_BITMASK_AS_UNKNOWN,
+ ADD_TO_DETECTION_BITMASK);
+ *id += 1;
+}
+
+#endif