utxdb.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2010 Ed Schouten <ed@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/lib/libc/gen/utxdb.h 330897 2018-03-14 03:19:51Z eadler $
29 */
30
31#ifndef _UTXDB_H_
32#define	_UTXDB_H_
33
34#include <stdint.h>
35
36#define	_PATH_UTX_ACTIVE	"/var/run/utx.active"
37#define	_PATH_UTX_LASTLOGIN	"/var/log/utx.lastlogin"
38#define	_PATH_UTX_LOG		"/var/log/utx.log"
39
40/*
41 * Entries in struct futx are ordered by how often they are used.  In
42 * utx.log only entries will be written until the last non-zero byte,
43 * which means we want to put the hostname at the end. Most primitive
44 * records only store a ut_type and ut_tv, which means we want to store
45 * those at the front.
46 */
47
48struct utmpx;
49
50struct futx {
51	uint8_t		fu_type;
52	uint64_t	fu_tv;
53	char		fu_id[8];
54	uint32_t	fu_pid;
55	char		fu_user[32];
56	char		fu_line[16];
57	char		fu_host[128];
58} __packed;
59
60void	utx_to_futx(const struct utmpx *, struct futx *);
61struct utmpx *futx_to_utx(const struct futx *);
62
63#endif /* !_UTXDB_H_ */
64