1 files changed, 87 insertions, 0 deletions
diff --git a/src/lib/protocols/lotus_notes.c b/src/lib/protocols/lotus_notes.c
new file mode 100644
index 000000000..6294bce20
--- /dev/null
+++ b/src/lib/protocols/lotus_notes.c
@@ -0,0 +1,87 @@
+/*
+ * lotus_notes.c
+ *
+ * Copyright (C) 2012-15 - 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_api.h"
+
+#ifdef NDPI_PROTOCOL_LOTUS_NOTES
+
+/* ************************************ */
+
+static void ndpi_check_lotus_notes(struct ndpi_detection_module_struct *ndpi_struct, 
+				   struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct *packet = &flow->packet;  
+  // const u_int8_t *packet_payload = packet->payload;
+  u_int32_t payload_len = packet->payload_packet_len;
+
+  if(packet->tcp != NULL) {
+    flow->l4.tcp.lotus_notes_packet_id++;
+    
+#if 0
+  printf("[lotus_notes_packet_id: %u][len=%u][%02X %02X %02X %02X %02X %02X %02X %02X]\n", 
+	 flow->l4.tcp.lotus_notes_packet_id, payload_len,
+	 packet->payload[6] & 0xFF,
+	 packet->payload[7] & 0xFF,
+	 packet->payload[8] & 0xFF,
+	 packet->payload[9] & 0xFF,
+	 packet->payload[10] & 0xFF,
+	 packet->payload[11] & 0xFF,
+	 packet->payload[12] & 0xFF,
+	 packet->payload[13] & 0xFF
+	 );
+#endif
+
+    if((flow->l4.tcp.lotus_notes_packet_id == 1)
+       /* We have seen the 3-way handshake */
+       && flow->l4.tcp.seen_syn
+       && flow->l4.tcp.seen_syn_ack
+       && flow->l4.tcp.seen_ack) {
+      if(payload_len > 16) {
+	char lotus_notes_header[] = { 0x00, 0x00, 0x02, 0x00, 0x00, 0x40, 0x02, 0x0F };
+	
+	if(memcmp(&packet->payload[6], lotus_notes_header, sizeof(lotus_notes_header)) == 0) {
+	  NDPI_LOG(NDPI_PROTOCOL_LOTUS_NOTES, ndpi_struct, NDPI_LOG_DEBUG, "Found lotus_notes.\n");
+	  ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_LOTUS_NOTES, NDPI_REAL_PROTOCOL);
+	}
+
+	return;
+      }
+
+      NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_LOTUS_NOTES);
+    } else if(flow->l4.tcp.lotus_notes_packet_id > 3)
+      NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_LOTUS_NOTES);
+    
+    return;
+  }
+}
+
+void ndpi_search_lotus_notes(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+  struct ndpi_packet_struct *packet = &flow->packet;
+
+  NDPI_LOG(NDPI_PROTOCOL_LOTUS_NOTES, ndpi_struct, NDPI_LOG_DEBUG, "lotus_notes detection...\n");
+
+  /* skip marked packets */
+  if(packet->detected_protocol_stack[0] != NDPI_PROTOCOL_LOTUS_NOTES)
+    ndpi_check_lotus_notes(ndpi_struct, flow);
+}
+
+#endif