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1 | /* | |
2 | * | |
3 | * login.c | |
4 | * | |
5 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | |
6 | * | |
7 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
8 | * All rights reserved | |
9 | * | |
10 | * Created: Fri Mar 24 14:51:08 1995 ylo | |
11 | * | |
12 | * This file performs some of the things login(1) normally does. We cannot | |
13 | * easily use something like login -p -h host -f user, because there are | |
14 | * several different logins around, and it is hard to determined what kind of | |
15 | * login the current system has. Also, we want to be able to execute commands | |
16 | * on a tty. | |
17 | * | |
18 | */ | |
19 | ||
20 | #include "includes.h" | |
21 | RCSID("$OpenBSD: login.c,v 1.14 2000/06/20 01:39:42 markus Exp $"); | |
22 | ||
23 | #include "loginrec.h" | |
24 | ||
25 | /* | |
26 | * Returns the time when the user last logged in. Returns 0 if the | |
27 | * information is not available. This must be called before record_login. | |
28 | * The host the user logged in from will be returned in buf. | |
29 | */ | |
30 | ||
31 | unsigned long | |
32 | get_last_login_time(uid_t uid, const char *logname, | |
33 | char *buf, unsigned int bufsize) | |
34 | { | |
35 | struct logininfo li; | |
36 | ||
37 | login_get_lastlog(&li, uid); | |
38 | strlcpy(buf, li.hostname, bufsize); | |
39 | return li.tv_sec; | |
40 | } | |
41 | ||
42 | /* | |
43 | * Records that the user has logged in. I these parts of operating systems | |
44 | * were more standardized. | |
45 | */ | |
46 | ||
47 | void | |
48 | record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, | |
49 | const char *host, struct sockaddr * addr) | |
50 | { | |
51 | struct logininfo *li; | |
52 | ||
53 | li = login_alloc_entry(pid, user, host, ttyname); | |
54 | login_set_addr(li, addr, sizeof(struct sockaddr)); | |
55 | login_login(li); | |
56 | login_free_entry(li); | |
57 | } | |
58 | ||
59 | /* Records that the user has logged out. */ | |
60 | ||
61 | void | |
62 | record_logout(pid_t pid, const char *ttyname) | |
63 | { | |
64 | struct logininfo *li; | |
65 | ||
66 | li = login_alloc_entry(pid, NULL, NULL, ttyname); | |
67 | login_logout(li); | |
68 | login_free_entry(li); | |
69 | } |