Initial import from SVN

1 files changed, 57 insertions, 0 deletions

diff --git a/src/lib/protocols/smb.c b/src/lib/protocols/smb.c
new file mode 100644
index 000000000..031572ead
--- /dev/null
+++ b/src/lib/protocols/smb.c
@@ -0,0 +1,57 @@
+/*
+ * smb.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_SMB
+
+static void ndpi_int_smb_add_connection(struct ndpi_detection_module_struct
+										  *ndpi_struct, struct ndpi_flow_struct *flow)
+{
+	ndpi_int_add_connection(ndpi_struct, flow, NDPI_PROTOCOL_SMB, NDPI_REAL_PROTOCOL);
+}
+
+void ndpi_search_smb_tcp(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow)
+{  
+	struct ndpi_packet_struct *packet = &flow->packet;
+	
+	if(packet && packet->tcp) {
+	  NDPI_LOG(NDPI_PROTOCOL_SMB, ndpi_struct, NDPI_LOG_DEBUG, "search SMB.\n");
+	  
+	  if (packet->tcp->dest == htons(445)
+	      && packet->payload_packet_len > (32 + 4 + 4)
+	      && (packet->payload_packet_len - 4) == ntohl(get_u_int32_t(packet->payload, 0))
+	      && get_u_int32_t(packet->payload, 4) == htonl(0xff534d42)) {
+	    NDPI_LOG(NDPI_PROTOCOL_SMB, ndpi_struct, NDPI_LOG_DEBUG, "found SMB.\n");
+	    ndpi_int_smb_add_connection(ndpi_struct, flow);
+	    return;
+	    
+	  }
+	}
+
+	NDPI_LOG(NDPI_PROTOCOL_SMB, ndpi_struct, NDPI_LOG_DEBUG, "exclude SMB.\n");
+	NDPI_ADD_PROTOCOL_TO_BITMASK(flow->excluded_protocol_bitmask, NDPI_PROTOCOL_SMB);
+}
+
+#endif