Initial import from SVN

1 files changed, 70 insertions, 0 deletions

diff --git a/src/lib/protocols/ssdp.c b/src/lib/protocols/ssdp.c
new file mode 100644
index 000000000..83ce102d4
--- /dev/null
+++ b/src/lib/protocols/ssdp.c
@@ -0,0 +1,70 @@
+/*
+ * ssdp.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_SSDP
+
+
+static void ndpi_int_ssdp_add_connection(struct ndpi_detection_module_struct
+										   *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_SSDP, NDPI_REAL_PROTOCOL);
+}
+
+/* this detection also works asymmetrically */
+void ndpi_search_ssdp(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_SSDP, ndpi_struct, NDPI_LOG_DEBUG, "search ssdp.\n");
+	if (packet->udp != NULL) {
+
+		if (packet->payload_packet_len > 100) {
+			if ((memcmp(packet->payload, "M-SEARCH * HTTP/1.1", 19) == 0)
+				|| memcmp(packet->payload, "NOTIFY * HTTP/1.1", 17) == 0) {
+
+
+				NDPI_LOG(NDPI_PROTOCOL_SSDP, ndpi_struct, NDPI_LOG_DEBUG, "found ssdp.\n");
+				ndpi_int_ssdp_add_connection(ndpi_struct, flow);
+				return;
+			}
+
+#define SSDP_HTTP "HTTP/1.1 200 OK\r\n"
+			if(memcmp(packet->payload, SSDP_HTTP, strlen(SSDP_HTTP)) == 0) {
+			  NDPI_LOG(NDPI_PROTOCOL_SSDP, ndpi_struct, NDPI_LOG_DEBUG, "found ssdp.\n");
+			  ndpi_int_ssdp_add_connection(ndpi_struct, flow);
+			  return;
+			}
+		}
+	}
+
+	NDPI_LOG(NDPI_PROTOCOL_SSDP, ndpi_struct, NDPI_LOG_DEBUG, "ssdp excluded.\n");
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SSDP);
+}
+
+#endif