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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 #ifndef _UTMP_H_
     29 #define _UTMP_H_
     30 
     31 #include <sys/cdefs.h>
     32 #include <sys/types.h>
     33 #include <time.h>
     34 
     35 #define _PATH_UTMP      "/var/run/utmp"
     36 #define _PATH_WTMP      "/var/log/wtmp"
     37 #define _PATH_LASTLOG   "/var/log/lastlog"
     38 
     39 #ifdef __LP64__
     40 #define UT_NAMESIZE 32
     41 #define UT_LINESIZE 32
     42 #define UT_HOSTSIZE 256
     43 #else
     44 #define UT_NAMESIZE 8
     45 #define UT_LINESIZE 8
     46 #define UT_HOSTSIZE 16
     47 #endif
     48 
     49 #define EMPTY         0
     50 #define RUN_LVL       1
     51 #define BOOT_TIME     2
     52 #define NEW_TIME      3
     53 #define OLD_TIME      4
     54 #define INIT_PROCESS  5
     55 #define LOGIN_PROCESS 6
     56 #define USER_PROCESS  7
     57 #define DEAD_PROCESS  8
     58 #define ACCOUNTING    9
     59 
     60 struct lastlog
     61 {
     62     time_t ll_time;
     63     char ll_line[UT_LINESIZE];
     64     char ll_host[UT_HOSTSIZE];
     65 };
     66 
     67 struct exit_status
     68 {
     69     short int e_termination;
     70     short int e_exit;
     71 };
     72 
     73 
     74 struct utmp
     75 {
     76     short int ut_type;
     77     pid_t ut_pid;
     78     char ut_line[UT_LINESIZE];
     79     char ut_id[4];
     80     char ut_user[UT_NAMESIZE];
     81     char ut_host[UT_HOSTSIZE];
     82 
     83     struct exit_status ut_exit;
     84 
     85     long int ut_session;
     86     struct timeval ut_tv;
     87 
     88     int32_t ut_addr_v6[4];
     89     char unsed[20];
     90 };
     91 
     92 
     93 #define ut_name ut_user
     94 #define ut_time ut_tv.tv_sec
     95 #define ut_addr ut_addr_v6[0]
     96 
     97 __BEGIN_DECLS
     98 
     99 int utmpname(const char* __path);
    100 void setutent(void);
    101 struct utmp* getutent(void);
    102 void endutent(void);
    103 
    104 int login_tty(int __fd) __INTRODUCED_IN(23);
    105 
    106 __END_DECLS
    107 
    108 #endif /* _UTMP_H_ */
    109