1 /*- 2 * Copyright (c) 2002 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Christos Zoulas. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _UTMPX_H_ 31 #define _UTMPX_H_ 32 33 #include <sys/cdefs.h> 34 #include <sys/socket.h> 35 #include <sys/time.h> 36 37 #ifndef _PID_T_DECLARED 38 typedef __pid_t pid_t; /* process id */ 39 #define _PID_T_DECLARED 40 #endif 41 42 #define _PATH_UTMPX "/var/run/utmpx" 43 #define _PATH_WTMPX "/var/log/wtmpx" 44 #define _PATH_LASTLOGX "/var/log/lastlogx" 45 #define _PATH_UTMP_UPDATE "/usr/libexec/utmp_update" 46 47 #define _UTX_USERSIZE 32 48 #define _UTX_LINESIZE 32 49 #define _UTX_IDSIZE 4 50 #define _UTX_HOSTSIZE 256 51 52 #if __BSD_VISIBLE 53 #define UTX_USERSIZE _UTX_USERSIZE 54 #define UTX_LINESIZE _UTX_LINESIZE 55 #define UTX_IDSIZE _UTX_IDSIZE 56 #define UTX_HOSTSIZE _UTX_HOSTSIZE 57 #endif 58 59 60 #define EMPTY 0 /* No valid user accounting information. */ 61 #if __BSD_VISIBLE 62 #define RUN_LVL 1 63 #endif 64 #define BOOT_TIME 2 /* Time of system boot. */ 65 #define OLD_TIME 3 /* Time when system clock changed. */ 66 #define NEW_TIME 4 /* Time after system clock changed. */ 67 #define INIT_PROCESS 5 /* A process spawned by the init process. */ 68 #define LOGIN_PROCESS 6 /* The session leader of a logged-in user. */ 69 #define USER_PROCESS 7 /* A process. */ 70 #define DEAD_PROCESS 8 /* A session leader who has exited. */ 71 72 #if __BSD_VISIBLE 73 #define ACCOUNTING 9 74 #define SIGNATURE 10 75 #define DOWN_TIME 11 76 77 /* 78 * Strings placed in the ut_line field to indicate special type entries 79 */ 80 #define RUNLVL_MSG "run-level %c" 81 #define BOOT_MSG "system boot" 82 #define OTIME_MSG "old time" 83 #define NTIME_MSG "new time" 84 #define DOWN_MSG "system down" 85 86 typedef enum { 87 UTX_DB_UTMPX, 88 UTX_DB_WTMPX, 89 UTX_DB_LASTLOGX 90 } utx_db_t; 91 #endif 92 93 struct exit_status 94 { 95 __uint16_t e_termination; /* termination status */ 96 __uint16_t e_exit; /* exit status */ 97 }; 98 99 /* 100 * The following structure describes the fields of the utmpx entries 101 * stored in _PATH_UTMPX or _PATH_WTMPX. This is not necessarily the 102 * format the entries are stored in the files, and application should 103 * only access entries using routines described in getutxent(3). 104 */ 105 106 #define ut_user ut_name 107 #define ut_xtime ut_tv.tv_sec 108 109 struct utmpx { 110 char ut_name[_UTX_USERSIZE]; /* login name */ 111 char ut_id[_UTX_IDSIZE]; /* inittab id */ 112 char ut_line[_UTX_LINESIZE]; /* tty name */ 113 char ut_host[_UTX_HOSTSIZE]; /* host name */ 114 __uint8_t ut_unused[16]; /* reserved for future use */ 115 __uint16_t ut_session; /* session id used for windowing */ 116 short ut_type; /* type of this entry */ 117 pid_t ut_pid; /* process id creating the entry */ 118 struct exit_status ut_exit; /* process termination/exit status */ 119 struct sockaddr_storage ut_ss; /* address where entry was made from */ 120 struct timeval ut_tv; /* time entry was created */ 121 __uint8_t ut_unused2[16]; /* reserved for future use */ 122 }; 123 124 #if __BSD_VISIBLE 125 struct lastlogx { 126 struct timeval ll_tv; /* time entry was created */ 127 char ll_line[_UTX_LINESIZE]; /* tty name */ 128 char ll_host[_UTX_HOSTSIZE]; /* host name */ 129 struct sockaddr_storage ll_ss; /* address where entry was made from */ 130 }; 131 #endif 132 133 __BEGIN_DECLS 134 void endutxent(void); 135 struct utmpx *getutxent(void); 136 struct utmpx *getutxid(const struct utmpx *); 137 struct utmpx *getutxline(const struct utmpx *); 138 struct utmpx *pututxline(const struct utmpx *); 139 void setutxent(void); 140 141 #if __BSD_VISIBLE 142 int _updwtmpx(const char *, const struct utmpx *); 143 void updwtmpx(const char *, const struct utmpx *); 144 struct lastlogx *getlastlogx(const char *, uid_t, struct lastlogx *); 145 int updlastlogx(const char *, uid_t, struct lastlogx *); 146 int utmpxname(const char *); 147 struct utmpx *getutxuser(const char *); 148 int setutxdb(utx_db_t, const char *); 149 #endif 150 __END_DECLS 151 152 #endif /* _UTMPX_H_ */ 153