/*
  *  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 <zlib.h> /* for gzFile */

 #include "mpool.h"
 

 struct filter {
 	uint32_t B[65536];
 	uint32_t end_fast[256];
 	uint32_t end[65536];
 	unsigned long m;

 };
 

 struct regex_list_ht {
 	struct regex_list *head;
 	struct regex_list *tail;
 };
 

 struct regex_matcher {

 	struct 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_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);

 int load_regex_matcher(struct regex_matcher* matcher,FILE* fd,unsigned int *signo,unsigned int options,int is_whitelist,struct cli_dbio *dbio);

 void regex_list_cleanup(struct regex_matcher* matcher);
 void regex_list_done(struct regex_matcher* matcher);
 int is_regex_ok(struct regex_matcher* matcher);

 long SO_search(const struct filter *m, const unsigned char *data, unsigned long len);

 #endif