/* ----------------------------------------------------------------------- *

 *

 *  nsswitch.h - header file for module to call parser for nsswitch

 *		 config and store result into a struct.

 *

 *   Copyright 2006 Ian Kent <raven@themaw.net>

 *

 *   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, Inc., 675 Mass Ave, Cambridge MA 02139,

 *   USA; 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.

 *

 * ----------------------------------------------------------------------- */

#ifndef __NSSWITCH_H

#define __NSSWITCH_H

#include <netdb.h>

#include "list.h"

#define NSSWITCH_FILE _PATH_NSSWITCH_CONF

enum nsswitch_status {

	NSS_STATUS_UNKNOWN = -1,

	NSS_STATUS_SUCCESS,

	NSS_STATUS_NOTFOUND,

	NSS_STATUS_UNAVAIL,

	NSS_STATUS_TRYAGAIN,

	NSS_STATUS_MAX

};

/* Internal NSS STATUS for map inclusion lookups */

#define NSS_STATUS_COMPLETED    NSS_STATUS_MAX

enum nsswitch_action {

	NSS_ACTION_UNKNOWN = 0,

	NSS_ACTION_CONTINUE,

	NSS_ACTION_RETURN

};

struct nss_action {

	enum nsswitch_action action;

	int negated;

};

struct nss_source {

	char *source;

	struct nss_action action[NSS_STATUS_MAX];

	struct list_head list;

}; 

int set_action(struct nss_action *a, char *status, char *action, int negated);

int check_nss_result(struct nss_source *this, enum nsswitch_status result);

struct nss_source *add_source(struct list_head *head, char *source);

int free_sources(struct list_head *list);

int nsswitch_parse(struct list_head *list);

#endif