/*	$NetBSD: util.h,v 1.16 2000/07/06 11:28:04 ad Exp $	*/

/*-
 * Copyright (c) 1995
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _UTIL_H_
#define _UTIL_H_

#include <sys/cdefs.h>
#include <sys/ttycom.h>
#include <sys/types.h>
#include <stdio.h>
#include <pwd.h>
#include <termios.h>
#include <utmp.h>

#define	PIDLOCK_NONBLOCK	1
#define PIDLOCK_USEHOSTNAME	2

#define	FPARSELN_UNESCESC	0x01
#define	FPARSELN_UNESCCONT	0x02
#define	FPARSELN_UNESCCOMM	0x04
#define	FPARSELN_UNESCREST	0x08
#define	FPARSELN_UNESCALL	0x0f

__BEGIN_DECLS
struct utmp;
struct passwd;
struct termios;
struct termios;
struct winsize;
struct iovec;

void	login(const struct utmp *);
int	login_tty(int);
int	logout(const char *);
void	logwtmp(const char *, const char *, const char *);
void	pw_getconf(char *data, size_t max, const char *key, const char *option);
int	pw_lock(int);
int	pw_mkdb(void);
int	pw_abort(void);
void	pw_init(void);
void	pw_edit(int, const char *);
void	pw_prompt(void);
void	pw_copy(int, int, struct passwd *, struct passwd *);
void	pw_error(const char *, int, int);
int	openpty(int *, int *, char *, struct termios *, struct winsize *);
char   *fparseln(FILE *, size_t *, size_t *, const char[3], int);
pid_t	forkpty(int *, char *, struct termios *, struct winsize *);
int	getmaxpartitions(void);
int	getrawpartition(void);
int	opendisk(const char *, int, char *, size_t, int);
void	pidfile(const char *);
int	pidlock(const char *, int, pid_t *, const char *);
int	ttylock(const char *, int, pid_t *);
int	ttyunlock(const char *);
int	ttyaction(const char *, const char *, const char *);
char   *ttymsg(struct iovec *, int, const char *, int);
int	secure_path(char *);
int	parseuserspec(const char *name, struct passwd **pw, struct group **gr);
__END_DECLS

#endif /* !_UTIL_H_ */