1/*	$OpenBSD: util.h,v 1.38 2022/05/11 17:23:56 millert Exp $	*/
2/*	$NetBSD: util.h,v 1.2 1996/05/16 07:00:22 thorpej Exp $	*/
3
4/*-
5 * Copyright (c) 1995
6 *	The Regents of the University of California.  All rights reserved.
7 * Portions Copyright (c) 1996, Jason Downs.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef _UTIL_H_
35#define _UTIL_H_
36
37#include <sys/types.h>
38
39/*
40 * fparseln() specific operation flags.
41 */
42#define FPARSELN_UNESCESC	0x01
43#define FPARSELN_UNESCCONT	0x02
44#define FPARSELN_UNESCCOMM	0x04
45#define FPARSELN_UNESCREST	0x08
46#define FPARSELN_UNESCALL	0x0f
47
48/*
49 * opendev() specific operation flags.
50 */
51#define OPENDEV_PART	0x01		/* Try to open the raw partition. */
52#define OPENDEV_BLCK	0x04		/* Open block, not character device. */
53
54/*
55 * uu_lock(3) specific flags.
56 */
57#define UU_LOCK_INUSE (1)
58#define UU_LOCK_OK (0)
59#define UU_LOCK_OPEN_ERR (-1)
60#define UU_LOCK_READ_ERR (-2)
61#define UU_LOCK_CREAT_ERR (-3)
62#define UU_LOCK_WRITE_ERR (-4)
63#define UU_LOCK_LINK_ERR (-5)
64#define UU_LOCK_TRY_ERR (-6)
65#define UU_LOCK_OWNER_ERR (-7)
66
67/*
68 * fmt_scaled(3) specific flags.
69 */
70#define	FMT_SCALED_STRSIZE	7	/* minus sign, 4 digits, suffix, null byte */
71
72/*
73 * stub struct definitions.
74 */
75struct __sFILE;
76struct login_cap;
77struct passwd;
78struct termios;
79struct utmp;
80struct winsize;
81
82__BEGIN_DECLS
83char   *fparseln(struct __sFILE *, size_t *, size_t *, const char[3], int);
84void	login(struct utmp *);
85int	login_tty(int);
86int	logout(const char *);
87void	logwtmp(const char *, const char *, const char *);
88int	opendev(const char *, int, int, char **);
89int	pidfile(const char *);
90void	pw_setdir(const char *);
91char   *pw_file(const char *);
92int	pw_lock(int);
93int	pw_mkdb(char *, int);
94int	pw_abort(void);
95void	pw_init(void);
96void	pw_edit(int, const char *);
97void	pw_prompt(void);
98void	pw_copy(int, int, const struct passwd *, const struct passwd *);
99int	pw_scan(char *, struct passwd *, int *);
100__dead void pw_error(const char *, int, int);
101int	getptmfd(void);
102int	openpty(int *, int *, char *, const struct termios *,
103	    const struct winsize *);
104int	fdopenpty(int, int *, int *, char *, const struct termios *,
105	    const struct winsize *);
106int	opendisk(const char *, int, char *, size_t, int);
107pid_t	forkpty(int *, char *, const struct termios *, const struct winsize *);
108pid_t	fdforkpty(int, int *, char *, const struct termios *,
109	    const struct winsize *);
110int	getmaxpartitions(void);
111int	getrawpartition(void);
112void	login_fbtab(const char *, uid_t, gid_t);
113int	login_check_expire(struct __sFILE *, struct passwd *, char *, int);
114char   *readlabelfs(char *, int);
115const char *uu_lockerr(int);
116int     uu_lock(const char *);
117int	uu_lock_txfr(const char *, pid_t);
118int     uu_unlock(const char *);
119int	fmt_scaled(long long, char *);
120int	scan_scaled(char *, long long *);
121int	isduid(const char *, int);
122int	pkcs5_pbkdf2(const char *, size_t, const uint8_t *, size_t,
123    uint8_t *, size_t, unsigned int);
124int	bcrypt_pbkdf(const char *, size_t, const uint8_t *, size_t,
125    uint8_t *, size_t, unsigned int);
126
127__END_DECLS
128
129#endif /* !_UTIL_H_ */
130