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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 #define	UT_NAMESIZE	8
     40 #define	UT_LINESIZE	8
     41 #define	UT_HOSTSIZE	16
     42 
     43 #define USER_PROCESS 7
     44 
     45 struct lastlog
     46 {
     47     time_t ll_time;
     48     char ll_line[UT_LINESIZE];
     49     char ll_host[UT_HOSTSIZE];
     50 };
     51 
     52 struct exit_status
     53 {
     54     short int e_termination;
     55     short int e_exit;
     56 };
     57 
     58 
     59 struct utmp
     60 {
     61     short int ut_type;
     62     pid_t ut_pid;
     63     char ut_line[UT_LINESIZE];
     64     char ut_id[4];
     65     char ut_user[UT_NAMESIZE];
     66     char ut_host[UT_HOSTSIZE];
     67 
     68     struct exit_status ut_exit;
     69 
     70     long int ut_session;
     71     struct timeval ut_tv;
     72 
     73     int32_t ut_addr_v6[4];
     74     char unsed[20];
     75 };
     76 
     77 
     78 #define ut_name ut_user
     79 #define ut_time ut_tv.tv_sec
     80 #define ut_addr ut_addr_v6[0]
     81 
     82 __BEGIN_DECLS
     83 
     84 int utmpname(const char*);
     85 void setutent();
     86 struct utmp* getutent();
     87 
     88 __END_DECLS
     89 
     90 #endif // _UTMP_H_
     91