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55 lines
1.7 KiB
55 lines
1.7 KiB
11 years ago
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/*
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* Support for PCRE regex variant
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*
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* Copyright (C) 2007-2013 Sourcefire, Inc.
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* Copyright (C) 2014 Cisco Systems, Inc.
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* All Rights Reserved.
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*
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* Authors: Kevin Lin
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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 _REGEX_PCRE_H_
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#define _REGEX_PCRE_H_
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#if HAVE_CONFIG_H
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#include "clamav-config.h"
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#endif
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#include <pcre.h>
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#include "cltypes.h"
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#include "mpool.h"
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/* temporary macros to be replaced with engine options */
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#define CLAMAV_PCRE_MATCH_LIMIT 10000
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/* pointless unless less than CLAMAV_PCRE_MATCH_LIMIT by significant margin */
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#define CLAMAV_PCRE_REC_MATCH_LIMIT 10000
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struct cli_pcre_data {
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pcre *re; /* compiled pcre regex */
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pcre_extra *ex; /* pcre extra data - limits */
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int options; /* pcre options */
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char *expression; /* copied regular expression */
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uint32_t search_offset; /* start offset to search at for pcre_exec */
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};
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int cli_pcre_parse(struct cli_pcre_data *pd, const char *pattern, unsigned int options);
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int cli_pcre_match();
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void cli_pcre_free_single(struct cli_pcre_data *pd);
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#endif /*_REGEX_PCRE_H_*/
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