add an empty dissector for SMB2

svn path=/trunk/; revision=16398

epan/dissectors/Makefile.common

@@ -555,6 +555,7 @@ DISSECTOR_SRC =	\
 	packet-smb-pipe.c	\
 	packet-smb-sidsnooping.c	\
 	packet-smb.c	\
+	packet-smb2.c	\
 	packet-smpp.c	\
 	packet-smrse.c	\
 	packet-smtp.c	\

epan/dissectors/packet-smb2.c

@@ -0,0 +1,110 @@
+/* packet-smb2.c
+ * Routines for smb2 packet dissection
+ *
+ * $Id: packet-smb2.c 16113 2005-10-04 10:23:40Z guy $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <epan/packet.h>
+#include <epan/conversation.h>
+#include <epan/prefs.h>
+#include <epan/reassemble.h>
+#include <epan/tap.h>
+#include <epan/emem.h>
+
+#include "packet-dcerpc.h"
+#include "packet-ntlmssp.h"
+
+
+
+static int proto_smb2 = -1;
+
+
+static gint ett_smb2 = -1;
+
+
+
+static void
+dissect_smb2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	proto_item *item=NULL;
+	proto_tree *tree=NULL;
+	int offset=0;
+
+	if (check_col(pinfo->cinfo, COL_PROTOCOL)){
+		col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMB2");
+	}
+	if (check_col(pinfo->cinfo, COL_INFO)){
+		col_clear(pinfo->cinfo, COL_INFO);
+	}
+
+	if (parent_tree) {
+		item = proto_tree_add_item(parent_tree, proto_smb2, tvb, offset,
+			-1, FALSE);
+		tree = proto_item_add_subtree(item, ett_smb2);
+	}
+
+	proto_tree_add_text(tree, tvb, offset, 4, "Server Component: SMB2");
+	offset += 4;  /* Skip the marker */
+}
+
+static gboolean
+dissect_smb2_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	/* must check that this really is a smb2 packet */
+	if (!tvb_bytes_exist(tvb, 0, 4))
+		return FALSE;
+
+	if( (tvb_get_guint8(tvb, 0) != 0xfe)
+	    || (tvb_get_guint8(tvb, 1) != 'S')
+	    || (tvb_get_guint8(tvb, 2) != 'M')
+	    || (tvb_get_guint8(tvb, 3) != 'B') ){
+		return FALSE;
+	}
+
+	dissect_smb2(tvb, pinfo, parent_tree);
+	return TRUE;
+}
+
+void
+proto_register_smb2(void)
+{
+	static hf_register_info hf[] = {
+	};
+
+	static gint *ett[] = {
+		&ett_smb2,
+	};
+
+	proto_smb2 = proto_register_protocol("SMB2 (Server Message Block Protocol version 2)",
+	    "SMB2", "smb2");
+	proto_register_subtree_array(ett, array_length(ett));
+	/*proto_register_field_array(proto_smb2, hf, array_length(hf));*/
+}
+
+void
+proto_reg_handoff_smb2(void)
+{
+	heur_dissector_add("netbios", dissect_smb2_heur, proto_smb2);
+}