111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
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/* packet-smb2.c
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* Routines for smb2 packet dissection
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*
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* $Id: packet-smb2.c 16113 2005-10-04 10:23:40Z guy $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <epan/packet.h>
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#include <epan/conversation.h>
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#include <epan/prefs.h>
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#include <epan/reassemble.h>
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#include <epan/tap.h>
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#include <epan/emem.h>
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#include "packet-dcerpc.h"
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#include "packet-ntlmssp.h"
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static int proto_smb2 = -1;
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static gint ett_smb2 = -1;
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static void
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dissect_smb2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
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{
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proto_item *item=NULL;
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proto_tree *tree=NULL;
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int offset=0;
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if (check_col(pinfo->cinfo, COL_PROTOCOL)){
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMB2");
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}
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if (check_col(pinfo->cinfo, COL_INFO)){
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col_clear(pinfo->cinfo, COL_INFO);
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}
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if (parent_tree) {
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item = proto_tree_add_item(parent_tree, proto_smb2, tvb, offset,
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-1, FALSE);
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tree = proto_item_add_subtree(item, ett_smb2);
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}
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proto_tree_add_text(tree, tvb, offset, 4, "Server Component: SMB2");
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offset += 4; /* Skip the marker */
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}
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static gboolean
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dissect_smb2_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
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{
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/* must check that this really is a smb2 packet */
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if (!tvb_bytes_exist(tvb, 0, 4))
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return FALSE;
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if( (tvb_get_guint8(tvb, 0) != 0xfe)
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|| (tvb_get_guint8(tvb, 1) != 'S')
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|| (tvb_get_guint8(tvb, 2) != 'M')
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|| (tvb_get_guint8(tvb, 3) != 'B') ){
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return FALSE;
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}
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dissect_smb2(tvb, pinfo, parent_tree);
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return TRUE;
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}
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void
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proto_register_smb2(void)
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{
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static hf_register_info hf[] = {
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};
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static gint *ett[] = {
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&ett_smb2,
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};
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proto_smb2 = proto_register_protocol("SMB2 (Server Message Block Protocol version 2)",
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"SMB2", "smb2");
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proto_register_subtree_array(ett, array_length(ett));
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/*proto_register_field_array(proto_smb2, hf, array_length(hf));*/
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}
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void
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proto_reg_handoff_smb2(void)
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{
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heur_dissector_add("netbios", dissect_smb2_heur, proto_smb2);
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}
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