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688903eb | 1 | /* Copyright (C) 1996-2018 Free Software Foundation, Inc. |
c84142e8 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. | |
1474b80f | 4 | |
c84142e8 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
1474b80f | 9 | |
c84142e8 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
1474b80f | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
1474b80f | 18 | |
0200214b RM |
19 | #include <errno.h> |
20 | #include <string.h> | |
21 | #include <utmp.h> | |
22 | #include <sys/time.h> | |
1474b80f RM |
23 | |
24 | int | |
0200214b | 25 | logout (const char *line) |
1474b80f | 26 | { |
8a523922 | 27 | struct utmp tmp, utbuf; |
0200214b RM |
28 | struct utmp *ut; |
29 | int result = 0; | |
30 | ||
31 | /* Tell that we want to use the UTMP file. */ | |
0413b54c | 32 | if (utmpname (_PATH_UTMP) == -1) |
0200214b RM |
33 | return 0; |
34 | ||
35 | /* Open UTMP file. */ | |
8a523922 | 36 | setutent (); |
0200214b RM |
37 | |
38 | /* Fill in search information. */ | |
39 | #if _HAVE_UT_TYPE - 0 | |
40 | tmp.ut_type = USER_PROCESS; | |
41 | #endif | |
4f54cdb1 | 42 | strncpy (tmp.ut_line, line, sizeof tmp.ut_line); |
0200214b RM |
43 | |
44 | /* Read the record. */ | |
8a523922 | 45 | if (getutline_r (&tmp, &utbuf, &ut) >= 0) |
0200214b RM |
46 | { |
47 | /* Clear information about who & from where. */ | |
1c6e6f23 | 48 | memset (ut->ut_name, '\0', sizeof ut->ut_name); |
4f54cdb1 | 49 | #if _HAVE_UT_HOST - 0 |
1c6e6f23 | 50 | memset (ut->ut_host, '\0', sizeof ut->ut_host); |
4f54cdb1 | 51 | #endif |
0200214b | 52 | #if _HAVE_UT_TV - 0 |
3efdabe7 RM |
53 | struct timeval tv; |
54 | __gettimeofday (&tv, NULL); | |
55 | ut->ut_tv.tv_sec = tv.tv_sec; | |
56 | ut->ut_tv.tv_usec = tv.tv_usec; | |
0200214b | 57 | #else |
51104ec0 | 58 | ut->ut_time = time (NULL); |
0200214b | 59 | #endif |
f6b38b9a MB |
60 | #if _HAVE_UT_TYPE - 0 |
61 | ut->ut_type = DEAD_PROCESS; | |
62 | #endif | |
0200214b | 63 | |
5107cf1d | 64 | if (pututline (ut) != NULL) |
0200214b RM |
65 | result = 1; |
66 | } | |
67 | ||
68 | /* Close UTMP file. */ | |
8a523922 | 69 | endutent (); |
1474b80f | 70 | |
0200214b | 71 | return result; |
1474b80f | 72 | } |