/*
  *  Match a string against a list of patterns/regexes.
  *

  *  Copyright (C) 2013-2019 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_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;

 };
 

 cl_error_t cli_build_regex_list(struct regex_matcher* matcher);
 cl_error_t regex_list_add_pattern(struct regex_matcher* matcher, char* pattern);
 cl_error_t 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);
 cl_error_t init_regex_list(struct regex_matcher* matcher, uint8_t dconf_prefiltering);
 cl_error_t 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