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53 lines
1.8 KiB
53 lines
1.8 KiB
/*
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* Copyright (C) 2007-2009 Sourcefire, Inc.
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*
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* Authors: Tomasz Kojm
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#ifndef __MATCHER_BM_H
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#define __MATCHER_BM_H
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#include "matcher.h"
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#include "filetypes.h"
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#include "cltypes.h"
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#include "fmap.h"
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#define BM_BOUNDARY_EOL 1
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struct cli_bm_patt {
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unsigned char *pattern, *prefix;
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char *virname;
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uint32_t offdata[4], offset_min, offset_max;
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struct cli_bm_patt *next;
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uint16_t length, prefix_length;
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uint16_t cnt;
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unsigned char pattern0;
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uint32_t boundary, filesize;
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};
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struct cli_bm_off {
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uint32_t *offset, *offtab, cnt, pos;
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};
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int cli_bm_addpatt(struct cli_matcher *root, struct cli_bm_patt *pattern, const char *offset);
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int cli_bm_init(struct cli_matcher *root);
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int cli_bm_initoff(const struct cli_matcher *root, struct cli_bm_off *data, const struct cli_target_info *info);
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void cli_bm_freeoff(struct cli_bm_off *data);
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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, uint32_t *viroffset);
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void cli_bm_free(struct cli_matcher *root);
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#endif
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