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/*
* AIDE (Advanced Intrusion Detection Environment)
*
* Copyright (C) 1999-2002, 2006, 2016, 2020-2023 Rami Lehti, Pablo Virolainen,
* Richard van den Berg, Hannes von Haugwitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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 _RX_RULE_H_INCLUDED
#define _RX_RULE_H_INCLUDED
#include <sys/stat.h>
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#include "attributes.h"
#include "seltree_struct.h"
#define RESTRICTION_TYPE unsigned int
#define FT_REG (1U<<0) /* file */
#define FT_DIR (1U<<1) /* dir */
#define FT_FIFO (1U<<2) /* fifo */
#define FT_LNK (1U<<3) /* link */
#define FT_BLK (1U<<4) /* block device */
#define FT_CHR (1U<<5) /* char device */
#define FT_SOCK (1U<<6) /* socket */
#define FT_DOOR (1U<<7) /* door */
#define FT_PORT (1U<<8) /* port */
#define FT_NULL 0U
typedef struct rx_rule {
char* rx; /* Regular expression in text form */
pcre2_code* crx; /* Compiled regexp */
pcre2_match_data *md;
DB_ATTR_TYPE attr; /* Which attributes to save */
seltree *node;
char *config_filename;
int config_linenumber;
char *config_line;
char *prefix;
RESTRICTION_TYPE restriction;
} rx_rule;
RESTRICTION_TYPE get_restriction_from_char(char);
RESTRICTION_TYPE get_restriction_from_perm(mode_t);
char get_file_type_char_from_perm(mode_t);
char get_restriction_char(RESTRICTION_TYPE);
typedef enum {
AIDE_NEGATIVE_RULE=0,
AIDE_SELECTIVE_RULE=1,
AIDE_EQUAL_RULE=2,
} AIDE_RULE_TYPE;
char* get_rule_type_long_string(AIDE_RULE_TYPE);
char* get_rule_type_char(AIDE_RULE_TYPE);
/* memory for the returned string is obtained with malloc(3), and should be freed with free(3). */
char *get_restriction_string(RESTRICTION_TYPE);
#endif /* RX_RULE_H_INCLUDED */
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