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
|
/* Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <utmp.h>
#include "xtmp.h"
/* Convert the entry XT to the new utmp format and store it in UT.
Fields in UT that were not present in the old utmp format are
initialized to zero. */
void
xtmp_to_utmp (const struct xtmp *xtmp, struct utmp *utmp)
{
memset (utmp, 0, sizeof (struct utmp));
#if _HAVE_XT_TYPE - 0
utmp->ut_type = xtmp->xt_type;
#endif
#if _HAVE_XT_PID - 0
utmp->ut_pid = xtmp->xt_pid;
#endif
strncpy (utmp->ut_line, xtmp->xt_line, XT_LINESIZE);
#if _HAVE_XT_ID - 0
strncpy (utmp->ut_id, xtmp->xt_id, sizeof xtmp->xt_id);
#endif
utmp->ut_time = xtmp->xt_time;
strncpy (utmp->ut_user, xtmp->xt_user, XT_NAMESIZE);
#if _HAVE_XT_HOST - 0
strncpy (utmp->ut_host, xtmp->xt_host, XT_HOSTSIZE);
#endif
utmp->ut_addr = xtmp->xt_addr;
}
/* Convert the entry UTMP to the old utmp format and store it in XTMP. */
void
utmp_to_xtmp (const struct utmp *utmp, struct xtmp *xtmp)
{
memset (xtmp, 0, sizeof (struct xtmp));
#if _HAVE_XT_TYPE - 0
xtmp->xt_type = utmp->ut_type;
#endif
#if _HAVE_XT_PID - 0
xtmp->xt_pid = utmp->ut_pid;
#endif
strncpy (xtmp->xt_line, utmp->ut_line, XT_LINESIZE);
xtmp->xt_line[XT_LINESIZE] = '\0';
#if _HAVE_XT_ID - 0
strncpy (xtmp->xt_id, utmp->ut_id, sizeof xtmp->xt_id);
#endif
xtmp->xt_time = utmp->ut_time;
strncpy (xtmp->xt_user, utmp->ut_user, XT_NAMESIZE);
#if _HAVE_XT_HOST - 0
strncpy (xtmp->xt_host, utmp->ut_host, XT_HOSTSIZE);
xtmp->xt_host[XT_HOSTSIZE] = '\0';
#endif
xtmp->xt_addr = utmp->ut_addr;
}
/* Compare an old style entry XTMP with a new style entry UTMP. The
function returns 1 if the information that is in both old and new
style entries is identical. Otherwise this function returns 0. */
int
compare_entry (const struct utmp *xtmp, const struct utmp *utmp)
{
return
(
#if _HAVE_XT_TYPE - 0
xtmp->ut_type == utmp->ut_type
#endif
#if _HAVE_XT_PID - 0
&& xtmp->ut_pid == utmp->ut_pid
#endif
&& !strncmp (xtmp->ut_line, utmp->ut_line, XT_LINESIZE - 1)
#if _HAVE_XT_ID - 0
&& !strncmp (xtmp->ut_id, utmp->ut_id, sizeof utmp->ut_id)
#endif
&& xtmp->ut_time == utmp->ut_time
&& !strncmp (xtmp->ut_user, utmp->ut_user, XT_NAMESIZE)
#if _HAVE_XT_HOST - 0
&& !strncmp (xtmp->ut_host, utmp->ut_host, XT_HOSTSIZE - 1)
#endif
&& xtmp->ut_addr == utmp->ut_addr);
}
|
