1 files changed, 69 insertions, 0 deletions
diff --git a/src/lib/protocols/xdmcp.c b/src/lib/protocols/xdmcp.c
new file mode 100644
index 000000000..dcbcfd231
--- /dev/null
+++ b/src/lib/protocols/xdmcp.c
@@ -0,0 +1,69 @@
+/*
+ * xdmcp.c
+ *
+ * Copyright (C) 2009-2011 by ipoque GmbH
+ * Copyright (C) 2011-15 - 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_protocols.h"
+#ifdef NDPI_PROTOCOL_XDMCP
+
+
+static void ndpi_int_xdmcp_add_connection(struct ndpi_detection_module_struct
+											*ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_XDMCP, NDPI_REAL_PROTOCOL);
+}
+
+void ndpi_search_xdmcp(struct ndpi_detection_module_struct
+						 *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	struct ndpi_packet_struct *packet = &flow->packet;
+	
+//      struct ndpi_id_struct         *src=ndpi_struct->src;
+//      struct ndpi_id_struct         *dst=ndpi_struct->dst;
+
+	NDPI_LOG(NDPI_PROTOCOL_XDMCP, ndpi_struct, NDPI_LOG_DEBUG, "search xdmcp.\n");
+
+	if (packet->tcp != NULL && (ntohs(packet->tcp->dest) >= 6000 && ntohs(packet->tcp->dest) <= 6005)
+		&& packet->payload_packet_len == 48
+		&& packet->payload[0] == 0x6c && packet->payload[1] == 0x00
+		&& ntohs(get_u_int16_t(packet->payload, 6)) == 0x1200 && ntohs(get_u_int16_t(packet->payload, 8)) == 0x1000) {
+
+		NDPI_LOG(NDPI_PROTOCOL_XDMCP, ndpi_struct, NDPI_LOG_DEBUG, "found xdmcp over tcp.\n");
+		ndpi_int_xdmcp_add_connection(ndpi_struct, flow);
+		return;
+	}
+	if (packet->udp != NULL && ntohs(packet->udp->dest) == 177
+		&& packet->payload_packet_len >= 6 && packet->payload_packet_len == 6 + ntohs(get_u_int16_t(packet->payload, 4))
+		&& ntohs(get_u_int16_t(packet->payload, 0)) == 0x0001 && ntohs(get_u_int16_t(packet->payload, 2)) == 0x0002) {
+
+		NDPI_LOG(NDPI_PROTOCOL_XDMCP, ndpi_struct, NDPI_LOG_DEBUG, "found xdmcp over udp.\n");
+		ndpi_int_xdmcp_add_connection(ndpi_struct, flow);
+		return;
+	}
+
+
+	NDPI_LOG(NDPI_PROTOCOL_XDMCP, ndpi_struct, NDPI_LOG_DEBUG, "exclude xdmcp.\n");
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_XDMCP);
+}
+
+#endif