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*);
100 void setutent(void);
101 struct utmp* getutent(void);
102 void endutent(void);
103 
104 int login_tty(int) __INTRODUCED_IN(23);
105 
106 __END_DECLS
107 
108 #endif /* _UTMP_H_ */
109