1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* Declarations for GNU's read utmp module.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by jla; revised by djm */
#ifndef __READUTMP_H__
# define __READUTMP_H__
# include <sys/types.h>
/* AIX 4.3.3 has both utmp.h and utmpx.h, but only struct utmp
has the ut_exit member. */
# if (HAVE_UTMPX_H && HAVE_UTMP_H && HAVE_STRUCT_UTMP_UT_EXIT \
&& ! HAVE_STRUCT_UTMPX_UT_EXIT)
# undef HAVE_UTMPX_H
# endif
# ifdef HAVE_UTMPX_H
# ifdef HAVE_UTMP_H
/* HPUX 10.20 needs utmp.h, for the definition of e.g., UTMP_FILE. */
# include <utmp.h>
# endif
# include <utmpx.h>
# define UTMP_STRUCT_NAME utmpx
# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_tv.tv_sec)
# define SET_UTMP_ENT setutxent
# define GET_UTMP_ENT getutxent
# define END_UTMP_ENT endutxent
# ifdef HAVE_UTMPXNAME
# define UTMP_NAME_FUNCTION utmpxname
# endif
# if HAVE_STRUCT_UTMPX_UT_EXIT_E_TERMINATION
# define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
# else
# if HAVE_STRUCT_UTMPX_UT_EXIT_UT_TERMINATION
# define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
# else
# define UT_EXIT_E_TERMINATION(U) 0
# endif
# endif
# if HAVE_STRUCT_UTMPX_UT_EXIT_E_EXIT
# define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
# else
# if HAVE_STRUCT_UTMPX_UT_EXIT_UT_EXIT
# define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
# else
# define UT_EXIT_E_EXIT(U) 0
# endif
# endif
# else
# include <utmp.h>
# if !HAVE_DECL_GETUTENT
struct utmp *getutent();
# endif
# define UTMP_STRUCT_NAME utmp
# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_time)
# define SET_UTMP_ENT setutent
# define GET_UTMP_ENT getutent
# define END_UTMP_ENT endutent
# ifdef HAVE_UTMPNAME
# define UTMP_NAME_FUNCTION utmpname
# endif
# if HAVE_STRUCT_UTMP_UT_EXIT_E_TERMINATION
# define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
# else
# if HAVE_STRUCT_UTMP_UT_EXIT_UT_TERMINATION
# define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
# else
# define UT_EXIT_E_TERMINATION(U) 0
# endif
# endif
# if HAVE_STRUCT_UTMP_UT_EXIT_E_EXIT
# define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
# else
# if HAVE_STRUCT_UTMP_UT_EXIT_UT_EXIT
# define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
# else
# define UT_EXIT_E_EXIT(U) 0
# endif
# endif
# endif
/* Accessor macro for the member named ut_user or ut_name. */
# ifdef HAVE_UTMPX_H
# if HAVE_STRUCT_UTMPX_UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_user)
# endif
# if HAVE_STRUCT_UTMPX_UT_NAME
# undef UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_name)
# endif
# else
# if HAVE_STRUCT_UTMP_UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_user)
# endif
# if HAVE_STRUCT_UTMP_UT_NAME
# undef UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_name)
# endif
# endif
# define HAVE_STRUCT_XTMP_UT_EXIT \
(HAVE_STRUCT_UTMP_UT_EXIT \
|| HAVE_STRUCT_UTMPX_UT_EXIT)
# define HAVE_STRUCT_XTMP_UT_ID \
(HAVE_STRUCT_UTMP_UT_ID \
|| HAVE_STRUCT_UTMPX_UT_ID)
# define HAVE_STRUCT_XTMP_UT_PID \
(HAVE_STRUCT_UTMP_UT_PID \
|| HAVE_STRUCT_UTMPX_UT_PID)
typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;
enum { UT_USER_SIZE = sizeof UT_USER ((STRUCT_UTMP *) 0) };
# if !defined (UTMP_FILE) && defined (_PATH_UTMP)
# define UTMP_FILE _PATH_UTMP
# endif
# if !defined (WTMP_FILE) && defined (_PATH_WTMP)
# define WTMP_FILE _PATH_WTMP
# endif
# ifdef UTMPX_FILE /* Solaris, SysVr4 */
# undef UTMP_FILE
# define UTMP_FILE UTMPX_FILE
# endif
# ifdef WTMPX_FILE /* Solaris, SysVr4 */
# undef WTMP_FILE
# define WTMP_FILE WTMPX_FILE
# endif
# ifndef UTMP_FILE
# define UTMP_FILE "/etc/utmp"
# endif
# ifndef WTMP_FILE
# define WTMP_FILE "/etc/wtmp"
# endif
# if HAVE_STRUCT_UTMP_UT_TYPE || HAVE_STRUCT_UTMPX_UT_TYPE
# define UT_TYPE_EQ(U, V) ((U)->ut_type == (V))
# define UT_TYPE_NOT_DEFINED 0
# else
# define UT_TYPE_EQ(U, V) 0
# define UT_TYPE_NOT_DEFINED 1
# endif
# ifdef BOOT_TIME
# define UT_TYPE_BOOT_TIME(U) UT_TYPE_EQ (U, BOOT_TIME)
# else
# define UT_TYPE_BOOT_TIME(U) 0
# endif
# ifdef USER_PROCESS
# define UT_TYPE_USER_PROCESS(U) UT_TYPE_EQ (U, USER_PROCESS)
# else
# define UT_TYPE_USER_PROCESS(U) 0
# endif
# define IS_USER_PROCESS(U) \
(UT_USER (U)[0] \
&& (UT_TYPE_USER_PROCESS (U) \
|| (UT_TYPE_NOT_DEFINED && UT_TIME_MEMBER (U) != 0)))
char *extract_trimmed_name (const STRUCT_UTMP *ut);
int read_utmp (const char *filename, size_t *n_entries, STRUCT_UTMP **utmp_buf);
#endif /* __READUTMP_H__ */
|
