/*
  ICFS: Interactively Controlled File System
  Copyright (C) 2024-2025  Fedir Kovalov

  This program can be distributed under the terms of the GNU GPLv2.
  See the file LICENSE.
*/

#ifndef PERM_PERMISSION_TABLE_H
#define PERM_PERMISSION_TABLE_H

#include "access_t.h"
#include "process_info.h"

/**
 * Initializes the permanent permissions table.
 *
 * @param db_filename: The filename of the permissions sqlite3 database
 * @return: 0 on success, -1 on failure (e.g. ENOMEM)
 */
int init_perm_permissions_table(const char *db_filename);

/**
 * Destroys the permanent permissions table.
 */
void destroy_perm_permissions_table();

/**
 * Checks if the process has a permanent access to the file.
 *
 * @param filename: The file that the process is trying to access
 * @pram pi: The process information
 * @return: access status - ALLOW, DENY or NDEF in case if no information was
 * found
 */
access_t check_perm_access(const char *filename, struct process_info pi);

/**
 * Gives permanent access to the process to the file.
 *
 * @param filename: The file that the process is trying to access
 * @param pi: The process information
 * @return: 0 on success, -1 on failure
 */
int give_perm_access(const char *filename, struct process_info pi);

#endif // #ifdef PERM_PERMISSION_TABLE_H