Home | History | Annotate | Line # | Download | only in include
      1 /*	$NetBSD: utmpx.h,v 1.18 2021/08/15 00:36:11 gutteridge Exp $	 */
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #ifndef	_UTMPX_H_
     32 #define	_UTMPX_H_
     33 
     34 #include <sys/cdefs.h>
     35 #include <sys/featuretest.h>
     36 #include <sys/socket.h>
     37 #include <sys/time.h>
     38 
     39 #define	_PATH_UTMPX		"/var/run/utmpx"
     40 #define	_PATH_WTMPX		"/var/log/wtmpx"
     41 #define	_PATH_LASTLOGX		"/var/log/lastlogx"
     42 #define	_PATH_UTMP_UPDATE	"/usr/libexec/utmp_update"
     43 
     44 #define _UTX_USERSIZE	32
     45 #define _UTX_LINESIZE	32
     46 #define	_UTX_IDSIZE	4
     47 #define _UTX_HOSTSIZE	256
     48 
     49 #if defined(_NETBSD_SOURCE)
     50 #define UTX_USERSIZE	_UTX_USERSIZE
     51 #define UTX_LINESIZE	_UTX_LINESIZE
     52 #define	UTX_IDSIZE	_UTX_IDSIZE
     53 #define UTX_HOSTSIZE	_UTX_HOSTSIZE
     54 #endif
     55 
     56 #define EMPTY		0
     57 #define RUN_LVL		1
     58 #define BOOT_TIME	2
     59 #define OLD_TIME	3
     60 #define NEW_TIME	4
     61 #define INIT_PROCESS	5
     62 #define LOGIN_PROCESS	6
     63 #define USER_PROCESS	7
     64 #define DEAD_PROCESS	8
     65 
     66 #if defined(_NETBSD_SOURCE)
     67 #define ACCOUNTING	9
     68 #define SIGNATURE	10
     69 #define DOWN_TIME	11
     70 
     71 /*
     72  * Strings placed in the ut_line field to indicate special type entries
     73  */
     74 #define	RUNLVL_MSG	"run-level %c"
     75 #define	BOOT_MSG	"system boot"
     76 #define	OTIME_MSG	"old time"
     77 #define	NTIME_MSG	"new time"
     78 #define	DOWN_MSG	"system down"
     79 #endif
     80 
     81 /*
     82  * The following structure describes the fields of the utmpx entries
     83  * stored in _PATH_UTMPX or _PATH_WTMPX. This is not the format the
     84  * entries are stored in the files, and application should only access
     85  * entries using routines described in getutxent(3).
     86  */
     87 
     88 #define ut_user ut_name
     89 #define ut_xtime ut_tv.tv_sec
     90 
     91 /*
     92  * This should be:
     93  * 40 - (sizeof(struct timeval) - sizeof(struct { long s; long u; })))
     94  * but g++ does not like it, to retain size compatibility with v1.00,
     95  * so we do it manually.
     96  */
     97 #ifdef _LP64
     98 #define _UTX_PADSIZE 36
     99 #else
    100 #define _UTX_PADSIZE 40
    101 #endif
    102 
    103 struct utmpx {
    104 	char ut_name[_UTX_USERSIZE];	/* login name */
    105 	char ut_id[_UTX_IDSIZE];	/* inittab id */
    106 	char ut_line[_UTX_LINESIZE];	/* tty name */
    107 	char ut_host[_UTX_HOSTSIZE];	/* host name */
    108 	uint16_t ut_session;		/* session id used for windowing */
    109 	uint16_t ut_type;		/* type of this entry */
    110 	pid_t ut_pid;			/* process id creating the entry */
    111 	struct {
    112 		uint16_t e_termination;	/* process termination signal */
    113 		uint16_t e_exit;	/* process exit status */
    114 	} ut_exit;
    115 	struct sockaddr_storage ut_ss;	/* address where entry was made from */
    116 	struct timeval ut_tv;		/* time entry was created */
    117 	uint8_t ut_pad[_UTX_PADSIZE];	/* reserved for future use */
    118 };
    119 
    120 #if defined(_NETBSD_SOURCE)
    121 struct lastlogx {
    122 	struct timeval ll_tv;		/* time entry was created */
    123 	char ll_line[_UTX_LINESIZE];	/* tty name */
    124 	char ll_host[_UTX_HOSTSIZE];	/* host name */
    125 	struct sockaddr_storage ll_ss;	/* address where entry was made from */
    126 };
    127 #endif	/* _NETBSD_SOURCE */
    128 
    129 __BEGIN_DECLS
    130 
    131 void setutxent(void);
    132 void endutxent(void);
    133 
    134 #ifndef __LIBC12_SOURCE__
    135 struct utmpx *getutxent(void) __RENAME(__getutxent50);
    136 struct utmpx *getutxid(const struct utmpx *) __RENAME(__getutxid50);
    137 struct utmpx *getutxline(const struct utmpx *) __RENAME(__getutxline50);
    138 struct utmpx *pututxline(const struct utmpx *) __RENAME(__pututxline50);
    139 #endif
    140 
    141 #if defined(_NETBSD_SOURCE)
    142 #ifndef __LIBC12_SOURCE__
    143 int updwtmpx(const char *, const struct utmpx *) __RENAME(__updwtmpx50);
    144 struct lastlogx *getlastlogx(const char *, uid_t, struct lastlogx *)
    145     __RENAME(__getlastlogx50);
    146 int updlastlogx(const char *, uid_t, struct lastlogx *)
    147     __RENAME(__updlastlogx50);
    148 struct utmp;
    149 void getutmp(const struct utmpx *, struct utmp *) __RENAME(__getutmp50);
    150 void getutmpx(const struct utmp *, struct utmpx *) __RENAME(__getutmpx50);
    151 #endif
    152 
    153 int utmpxname(const char *);
    154 
    155 #endif /* _NETBSD_SOURCE */
    156 
    157 __END_DECLS
    158 
    159 #endif /* !_UTMPX_H_ */
    160