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3c0ef626 | 1 | /* |
2 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | |
3 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | |
4 | * All rights reserved | |
5 | * This file performs some of the things login(1) normally does. We cannot | |
6 | * easily use something like login -p -h host -f user, because there are | |
7 | * several different logins around, and it is hard to determined what kind of | |
8 | * login the current system has. Also, we want to be able to execute commands | |
9 | * on a tty. | |
10 | * | |
11 | * As far as I am concerned, the code I have written for this software | |
12 | * can be used freely for any purpose. Any derived versions of this | |
13 | * software must be clearly marked as such, and if the derived work is | |
14 | * incompatible with the protocol description in the RFC file, it must be | |
15 | * called by a name other than "ssh" or "Secure Shell". | |
16 | * | |
17 | * Copyright (c) 1999 Theo de Raadt. All rights reserved. | |
18 | * Copyright (c) 1999 Markus Friedl. All rights reserved. | |
19 | * | |
20 | * Redistribution and use in source and binary forms, with or without | |
21 | * modification, are permitted provided that the following conditions | |
22 | * are met: | |
23 | * 1. Redistributions of source code must retain the above copyright | |
24 | * notice, this list of conditions and the following disclaimer. | |
25 | * 2. Redistributions in binary form must reproduce the above copyright | |
26 | * notice, this list of conditions and the following disclaimer in the | |
27 | * documentation and/or other materials provided with the distribution. | |
28 | * | |
29 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
30 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
31 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
32 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
33 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
34 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
35 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
36 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
37 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
38 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
39 | */ | |
40 | ||
41 | #include "includes.h" | |
42 | RCSID("$OpenBSD: sshlogin.c,v 1.2 2001/03/24 16:43:27 stevesk Exp $"); | |
43 | ||
44 | #include "loginrec.h" | |
45 | ||
46 | /* | |
47 | * Returns the time when the user last logged in. Returns 0 if the | |
48 | * information is not available. This must be called before record_login. | |
49 | * The host the user logged in from will be returned in buf. | |
50 | */ | |
51 | ||
52 | u_long | |
53 | get_last_login_time(uid_t uid, const char *logname, | |
54 | char *buf, u_int bufsize) | |
55 | { | |
56 | struct logininfo li; | |
57 | ||
58 | login_get_lastlog(&li, uid); | |
59 | strlcpy(buf, li.hostname, bufsize); | |
60 | return li.tv_sec; | |
61 | } | |
62 | ||
63 | /* | |
64 | * Records that the user has logged in. I these parts of operating systems | |
65 | * were more standardized. | |
66 | */ | |
67 | ||
68 | void | |
69 | record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid, | |
70 | const char *host, struct sockaddr * addr) | |
71 | { | |
72 | struct logininfo *li; | |
73 | ||
74 | li = login_alloc_entry(pid, user, host, ttyname); | |
75 | login_set_addr(li, addr, sizeof(struct sockaddr)); | |
76 | login_login(li); | |
77 | login_free_entry(li); | |
78 | } | |
79 | ||
80 | #ifdef LOGIN_NEEDS_UTMPX | |
81 | void | |
82 | record_utmp_only(pid_t pid, const char *ttyname, const char *user, | |
83 | const char *host, struct sockaddr * addr) | |
84 | { | |
85 | struct logininfo *li; | |
86 | ||
87 | li = login_alloc_entry(pid, user, host, ttyname); | |
88 | login_set_addr(li, addr, sizeof(struct sockaddr)); | |
89 | login_utmp_only(li); | |
90 | login_free_entry(li); | |
91 | } | |
92 | #endif | |
93 | ||
94 | /* Records that the user has logged out. */ | |
95 | ||
96 | void | |
97 | record_logout(pid_t pid, const char *ttyname) | |
98 | { | |
99 | struct logininfo *li; | |
100 | ||
101 | li = login_alloc_entry(pid, NULL, NULL, ttyname); | |
102 | login_logout(li); | |
103 | login_free_entry(li); | |
104 | } |