/*

  *  Copyright (C) 2013-2019 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
  *  Copyright (C) 2007-2013 Sourcefire, Inc.

  *
  *  Authors: Tomasz Kojm

  *
  *  This program is free software; you can redistribute it and/or modify

  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.

  *
  *  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., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.

  */
 
 #ifndef __MATCHER_BM_H
 #define __MATCHER_BM_H
 

 #include "matcher.h"

 #include "filetypes.h"

 #include "clamav-types.h"

 #include "fmap.h"

 #include "others.h"

 #define BM_BOUNDARY_EOL	1
 

 struct cli_bm_patt {

     unsigned char *pattern, *prefix;

     char *virname;
     uint32_t offdata[4], offset_min, offset_max;

     struct cli_bm_patt *next;

     uint16_t length, prefix_length;

     uint16_t cnt;

     unsigned char pattern0;

     uint32_t boundary, filesize;

 };

 struct cli_bm_off {
     uint32_t *offset, *offtab, cnt, pos;
 };
 

 int cli_bm_addpatt(struct cli_matcher *root, struct cli_bm_patt *pattern, const char *offset);

 int cli_bm_init(struct cli_matcher *root);

 int cli_bm_initoff(const struct cli_matcher *root, struct cli_bm_off *data, const struct cli_target_info *info);

 void cli_bm_freeoff(struct cli_bm_off *data);

 int cli_bm_scanbuff(const unsigned char *buffer, uint32_t length, const char **virname, const struct cli_bm_patt **patt, const struct cli_matcher *root, uint32_t offset, const struct cli_target_info *info, struct cli_bm_off *offdata, cli_ctx *ctx);

 void cli_bm_free(struct cli_matcher *root);

 
 #endif