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9 years ago
/* Copyright 2016 Alex 'AdUser' Z (ad_user@runbox.com)
*
* 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.
*/
#ifndef F2B_CONFIG_H_
#define F2B_CONFIG_H_
/**
* @file
* This header describes f2b ini-style config structs and routines
*/
9 years ago
/**
* @def CONFIG_LINE_MAX
* Maximum length of config line
*/
#define CONFIG_LINE_MAX 256
/**
* @def CONFIG_KEY_MAX
* Maximum length of parameter name
*/
#define CONFIG_KEY_MAX 32
/**
* @def CONFIG_VAL_MAX
* Maximum length of parameter value
*/
#define CONFIG_VAL_MAX 192
/** Section types in config */
typedef enum f2b_section_type {
t_unknown = 0, /**< default value */
t_main, /**< [main] section */
t_csocket, /**< [csocket] section */
t_defaults, /**< [defaults] section */
t_source, /**< [source:*] section */
t_filter, /**< [filter:*] section */
t_backend, /**< [backend:*] section */
t_jail, /**< [jail:*] section */
} f2b_section_type;
/** Key-value line in config */
typedef struct f2b_config_param_t {
struct f2b_config_param_t *next; /**< pointer to next parameter of this section */
char name[CONFIG_KEY_MAX]; /**< parameter name */
char value[CONFIG_VAL_MAX]; /**< parameter value */
} f2b_config_param_t;
/** Section of config */
typedef struct f2b_config_section_t {
struct f2b_config_section_t *next; /**< pointer to next section of same type */
char name[CONFIG_KEY_MAX]; /**< section name (eg [type:$NAME]) */
f2b_section_type type; /**< section type */
f2b_config_param_t *param; /**< linked list of parameters */
f2b_config_param_t *last; /**< tail of parameter list */
} f2b_config_section_t;
/** topmost f2b config struct */
typedef struct f2b_config_t {
f2b_config_section_t *main; /**< section [main] */
f2b_config_section_t *csocket; /**< section [csocket] */
f2b_config_section_t *defaults; /**< section [defaults] */
f2b_config_section_t *sources; /**< sections [source:*] */
f2b_config_section_t *filters; /**< sections [filter:*] */
f2b_config_section_t *backends; /**< sections [backend:*] */
f2b_config_section_t *jails; /**< sections [jail:*] */
} f2b_config_t;
/**
* @brief Try parse line with `key = value` parameter
* @param src Source line
* @returns Pointer to created allocated parameter struct or NULL on error
*/
f2b_config_param_t * f2b_config_param_create(const char *src);
/**
* @brief Find parameter with given name in list
* @param list Linked list of parameters
* @param name Name of wanted parameter
* @returns Pointer to found parameter or NULL if nothing found
*/
f2b_config_param_t * f2b_config_param_find (f2b_config_param_t *list, const char *name);
/**
* @brief Find section with given name in list
* @param list Linked list of sections
* @param name Name of wanted section
* @returns Pointer to found section or NULL if nothing found
*/
f2b_config_section_t * f2b_config_section_find (f2b_config_section_t *list, const char *name);
/**
* @brief Load config from file
* @param c Config struct pointer
* @param path Path to config file
* @param recursion Process `include = <dir>` parameter
* @returns true on success, false if error(s) occured
*/
bool f2b_config_load(f2b_config_t *c, const char *path, bool recursion);
/**
* @brief Destroy config and free all resources
* @param c Config pointer
*/
void f2b_config_free(f2b_config_t *c);
#endif /* F2B_CONFIG_H_ */