Initial import from SVN

1 files changed, 70 insertions, 0 deletions

diff --git a/src/lib/protocols/mysql.c b/src/lib/protocols/mysql.c
new file mode 100644
index 000000000..107b1888e
--- /dev/null
+++ b/src/lib/protocols/mysql.c
@@ -0,0 +1,70 @@
+/*
+ * mysql.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_MYSQL
+
+static void ndpi_int_mysql_add_connection(struct ndpi_detection_module_struct
+											*ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_MYSQL, NDPI_REAL_PROTOCOL);
+}
+
+void ndpi_search_mysql_tcp(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;
+
+	if (packet->payload_packet_len > 37	//min length
+		&& get_u_int16_t(packet->payload, 0) == packet->payload_packet_len - 4	//first 3 bytes are length
+		&& get_u_int8_t(packet->payload, 2) == 0x00	//3rd byte of packet length
+		&& get_u_int8_t(packet->payload, 3) == 0x00	//packet sequence number is 0 for startup packet
+		&& get_u_int8_t(packet->payload, 5) > 0x30	//server version > 0
+		&& get_u_int8_t(packet->payload, 5) < 0x37	//server version < 7
+		&& get_u_int8_t(packet->payload, 6) == 0x2e	//dot
+		) {
+		u_int32_t a;
+		for (a = 7; a + 31 < packet->payload_packet_len; a++) {
+			if (packet->payload[a] == 0x00) {
+				if (get_u_int8_t(packet->payload, a + 13) == 0x00	//filler byte
+					&& get_u_int64_t(packet->payload, a + 19) == 0x0ULL	//13 more
+					&& get_u_int32_t(packet->payload, a + 27) == 0x0	//filler bytes
+					&& get_u_int8_t(packet->payload, a + 31) == 0x0) {
+					NDPI_LOG(NDPI_PROTOCOL_MYSQL, ndpi_struct, NDPI_LOG_DEBUG, "MySQL detected.\n");
+					ndpi_int_mysql_add_connection(ndpi_struct, flow);
+					return;
+				}
+				break;
+			}
+		}
+	}
+
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_MYSQL);
+
+}
+
+#endif