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1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
16 | */ | |
17 | ||
18 | #if defined(LIBC_SCCS) && !defined(lint) | |
19 | static char sccsid[] = "@(#)login.c 5.1 (Berkeley) %G%"; | |
20 | #endif /* LIBC_SCCS and not lint */ | |
21 | ||
22 | #include <sys/types.h> | |
23 | #include <sys/file.h> | |
24 | #include <utmp.h> | |
25 | #include <stdio.h> | |
26 | ||
27 | #define UTMPFILE "/etc/utmp" | |
28 | #define WTMPFILE "/usr/adm/wtmp" | |
29 | ||
30 | void | |
31 | login(ut) | |
32 | struct utmp *ut; | |
33 | { | |
34 | register int fd; | |
35 | int tty; | |
36 | off_t lseek(); | |
37 | ||
38 | tty = ttyslot(); | |
39 | if (tty > 0 && (fd = open(UTMPFILE, O_WRONLY, 0)) >= 0) { | |
40 | (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET); | |
41 | (void)write(fd, (char *)ut, sizeof(struct utmp)); | |
42 | (void)close(fd); | |
43 | } | |
44 | if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) >= 0) { | |
45 | (void)write(fd, (char *)ut, sizeof(struct utmp)); | |
46 | (void)close(fd); | |
47 | } | |
48 | } |