Initial import from SVN

1 files changed, 86 insertions, 0 deletions

diff --git a/src/lib/protocols/attic/popo.c b/src/lib/protocols/attic/popo.c
new file mode 100644
index 000000000..b5c45ea2b
--- /dev/null
+++ b/src/lib/protocols/attic/popo.c
@@ -0,0 +1,86 @@
+/*
+ * popo.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_POPO
+
+static void ndpi_int_popo_add_connection(struct ndpi_detection_module_struct
+										   *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_POPO, NDPI_REAL_PROTOCOL);
+}
+
+void ndpi_search_popo_tcp_udp(struct ndpi_detection_module_struct
+								*ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	struct ndpi_packet_struct *packet = &flow->packet;
+	
+	struct ndpi_id_struct *src = flow->src;
+	struct ndpi_id_struct *dst = flow->dst;
+
+	if (packet->tcp != NULL) {
+		if ((packet->payload_packet_len == 20)
+			&& get_u_int32_t(packet->payload, 0) == htonl(0x0c000000)
+			&& get_u_int32_t(packet->payload, 4) == htonl(0x01010000)
+			&& get_u_int32_t(packet->payload, 8) == htonl(0x06000000)
+			&& get_u_int32_t(packet->payload, 12) == 0 && get_u_int32_t(packet->payload, 16) == 0) {
+			NDPI_LOG(NDPI_PROTOCOL_POPO, ndpi_struct, NDPI_LOG_DEBUG, "POPO detected\n");
+			ndpi_int_popo_add_connection(ndpi_struct, flow);
+			return;
+		}
+
+		if (NDPI_SRC_OR_DST_HAS_PROTOCOL(src, dst, NDPI_PROTOCOL_POPO) != 0) {
+#define NDPI_POPO_IP_SUBNET_START ( (220 << 24) + (181 << 16) + (28 << 8) + 220)
+#define NDPI_POPO_IP_SUBNET_END ( (220 << 24) + (181 << 16) + (28 << 8) + 238)
+
+			/* may match the first payload ip packet only ... */
+
+			if (ntohl(packet->iph->daddr) >= NDPI_POPO_IP_SUBNET_START
+				&& ntohl(packet->iph->daddr) <= NDPI_POPO_IP_SUBNET_END) {
+				NDPI_LOG(NDPI_PROTOCOL_POPO, ndpi_struct, NDPI_LOG_DEBUG, "POPO ip subnet detected\n");
+				ndpi_int_popo_add_connection(ndpi_struct, flow);
+				return;
+			}
+		}
+	}
+
+	if (packet->payload_packet_len > 13 && packet->payload_packet_len == get_l32(packet->payload, 0)
+		&& !get_l16(packet->payload, 12)) {
+		register u_int16_t ii;
+		for (ii = 14; ii < 50 && ii < packet->payload_packet_len - 8; ++ii) {
+			if (packet->payload[ii] == '@')
+				if (!memcmp(&packet->payload[ii + 1], "163.com", 7)
+					|| (ii <= packet->payload_packet_len - 13 && !memcmp(&packet->payload[ii + 1], "popo.163.com", 12))) {
+					NDPI_LOG(NDPI_PROTOCOL_POPO, ndpi_struct, NDPI_LOG_DEBUG, "POPO  detected.\n");
+					ndpi_int_popo_add_connection(ndpi_struct, flow);
+					return;
+				}
+		}
+	}
+
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_POPO);
+}
+
+#endif