denyhosts/clamscan/libclamav/regex_suffix.h
2022-10-22 18:41:00 +08:00

48 lines
1.6 KiB
C

/*
* Parse a regular expression, and extract a static suffix.
*
* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2007-2013 Sourcefire, Inc.
*
* Authors: Török Edvin
*
* 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 REGEX_SUFFIX_H
#define REGEX_SUFFIX_H
#include "regex/regex.h"
struct regex_list {
char *pattern;
regex_t *preg;
struct regex_list *nxt;
};
typedef cl_error_t (*suffix_callback)(void *cbdata, const char *suffix, size_t len, const struct regex_list *regex);
/**
* @brief Build a suffix tree given a regex pattern
*
* @param pattern The regex pattern
* @param pregs
* @param cb
* @param cbdata
* @return cl_error_t May return a clam error type or may return a regex error integer.
* TODO: separate regex error code from clam error code into out param.
*/
cl_error_t cli_regex2suffix(const char *pattern, regex_t *preg, suffix_callback cb, void *cbdata);
#endif