ClamAV is an open source (GPLv2) anti-virus toolkit.
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clamav/libclamav/regex_list.h

71 lines
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/*
* Match a string against a list of patterns/regexes.
*
* Copyright (C) 2007-2008 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_LIST_H
#define _REGEX_LIST_H
#include "phishcheck.h"
#include "readdb.h"
#include "matcher.h"
#include "filtering.h"
#include "hashtab.h"
#include <zlib.h> /* for gzFile */
#include "mpool.h"
struct regex_list_ht {
struct regex_list *head;
struct regex_list *tail;
};
struct regex_matcher {
struct cli_hashtable suffix_hash;
size_t suffix_cnt;
struct regex_list_ht *suffix_regexes;
size_t root_regex_idx;
size_t regex_cnt;
regex_t **all_pregs;
struct cli_matcher suffixes;
struct cli_matcher sha256_hashes;
struct cli_hashset sha256_pfx_set;
struct cli_matcher hostkey_prefix;
struct filter filter;
#ifdef USE_MPOOL
mpool_t *mempool;
#endif
int list_inited:2;
int list_loaded:2;
int list_built:2;
};
int cli_build_regex_list(struct regex_matcher* matcher);
int regex_list_add_pattern(struct regex_matcher *matcher, char *pattern);
int regex_list_match(struct regex_matcher* matcher, char* real_url,const char* display_url,const struct pre_fixup_info* pre_fixup, int hostOnly,const char **info, int is_whitelist);
int init_regex_list(struct regex_matcher* matcher, uint8_t dconf_prefiltering);
int load_regex_matcher(struct cl_engine *engine,struct regex_matcher* matcher,FILE* fd,unsigned int *signo,unsigned int options,int is_whitelist,struct cli_dbio *dbio,uint8_t dconf_prefiltering);
void regex_list_cleanup(struct regex_matcher* matcher);
void regex_list_done(struct regex_matcher* matcher);
int is_regex_ok(struct regex_matcher* matcher);
#endif