root/trunk/wifidog/src/conf.h @ 213

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/* $Header$ */
/** @file conf.h
    @brief Config file parsing
    @author Copyright (C) 2004 Philippe April <papril777@yahoo.com>
*/

#ifndef _CONFIG_H_
#define _CONFIG_H_

/*@{*/ 
/** Defaults configuration values */
#define DEFAULT_CONFIGFILE "/etc/wifidog.conf"
#define DEFAULT_DAEMON 1
#define DEFAULT_DEBUGLEVEL LOG_INFO
#define DEFAULT_HTTPDMAXCONN 10
#define DEFAULT_GATEWAYID "default"
#define DEFAULT_GATEWAYPORT 2060
#define DEFAULT_HTTPDNAME "WiFiDog"
#define DEFAULT_CLIENTTIMEOUT 5
#define DEFAULT_CHECKINTERVAL 5
#define DEFAULT_LOG_SYSLOG 0
#define DEFAULT_SYSLOG_FACILITY LOG_DAEMON
#define DEFAULT_WDCTL_SOCK "/tmp/wdctl.sock"
#define DEFAULT_AUTHSERVPORT 80
#define DEFAULT_AUTHSERVSSLPORT 443
/** Note that DEFAULT_AUTHSERVSSLAVAILABLE must be 0 or 1, even if the config file syntax is yes or no */
#define DEFAULT_AUTHSERVSSLAVAILABLE 0
/** Note:  The path must NOT be prefixed by /, and must be suffixed /.  Leave empty for the server root.*/
#define DEFAULT_AUTHSERVPATH "wifidog/"
#define DEFAULT_AUTHSERVMAXTRIES 1

/*@}*/ 

/**
 * Information about the authentication server
 */
typedef struct _auth_serv_t {
    char *authserv_hostname;    /**< @brief Hostname of the central server */
    char *authserv_path;        /**< @brief Path where wifidog resides */
    int authserv_http_port;     /**< @brief Http port the central server
                                     listens on */
    int authserv_ssl_port;      /**< @brief Https port the central server
                                     listens on */
    int authserv_use_ssl;       /**< @brief Use SSL or not */
    struct _auth_serv_t *next;
} t_auth_serv;

/**
 * Configuration structure
 */
typedef struct {
    char configfile[255];       /**< @brief name of the config file */
    char *wdctl_sock;           /**< @brief wdctl path to socket */
    int daemon;                 /**< @brief if daemon > 0, use daemon mode */
    int debuglevel;             /**< @brief Debug information verbosity */
    char *external_interface;   /**< @brief External network interface name for
                                     firewall rules */
    char *gw_id;                /**< @brief ID of the Gateway, sent to central
                                     server */
    char *gw_interface;         /**< @brief Interface we will accept connections on */
    char *gw_address;           /**< @brief Internal IP address for our web
                                     server */
    int gw_port;                /**< @brief Port the webserver will run on */
    
    int authserv_maxtries;      /**< @brief Maximum number of auth server
                                     connection attempts before abandoning */
    t_auth_serv *auth_servers;  /**< @brief Auth servers list */
    char *httpdname;            /**< @brief Name the web server will return when
                                     replying to a request */
    int httpdmaxconn;           /**< @brief Used by libhttpd, not sure what it
                                     does */
    int clienttimeout;          /**< @brief How many CheckIntervals before a client
                                     must be re-authenticated */
    int checkinterval;          /**< @brief Frequency the the client timeout check
                                     thread will run. */
    int log_syslog;             /**< @brief boolean, wether to log to syslog */
    int syslog_facility;        /**< @brief facility to use when using syslog for
                                     logging */
} s_config;

/** @brief Get the current gateway configuration */
s_config *config_get_config(void);

/** @brief Initialise the conf system */
void config_init(void);

/** @brief Initialize the variables we override with the command line*/
void config_init_override(void);

/** @brief Reads the configuration file */
void config_read(char *filename);

/** @brief Check that the configuration is valid */
void config_validate(void);

/** @brief Get the active auth server */
t_auth_serv *get_auth_server(void);

/** @brief Bump server to bottom of the list */
void mark_auth_server_bad(t_auth_serv *);

#endif /* _CONFIG_H_ */