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sshlogin.c (137019) sshlogin.c (162856)
1/* $OpenBSD: sshlogin.c,v 1.25 2006/08/03 03:34:42 deraadt Exp $ */
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

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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"
2/*
3 * Author: Tatu Ylonen <ylo@cs.hut.fi>
4 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
5 * All rights reserved
6 * This file performs some of the things login(1) normally does. We cannot
7 * easily use something like login -p -h host -f user, because there are
8 * several different logins around, and it is hard to determined what kind of
9 * login the current system has. Also, we want to be able to execute commands

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35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 */
41
42#include "includes.h"
42RCSID("$OpenBSD: sshlogin.c,v 1.13 2004/08/12 09:18:24 djm Exp $");
43
43
44#include <sys/types.h>
45#include <sys/param.h>
46#include <sys/socket.h>
47
48#include <netinet/in.h>
49
50#include <errno.h>
51#include <fcntl.h>
52#include <stdarg.h>
53#include <stdio.h>
54#include <string.h>
55#include <time.h>
56#include <unistd.h>
57
44#include "loginrec.h"
45#include "log.h"
46#include "buffer.h"
47#include "servconf.h"
48
49extern Buffer loginmsg;
50extern ServerOptions options;
51
52/*
53 * Returns the time when the user last logged in. Returns 0 if the
54 * information is not available. This must be called before record_login.
55 * The host the user logged in from will be returned in buf.
56 */
58#include "loginrec.h"
59#include "log.h"
60#include "buffer.h"
61#include "servconf.h"
62
63extern Buffer loginmsg;
64extern ServerOptions options;
65
66/*
67 * Returns the time when the user last logged in. Returns 0 if the
68 * information is not available. This must be called before record_login.
69 * The host the user logged in from will be returned in buf.
70 */
57u_long
71time_t
58get_last_login_time(uid_t uid, const char *logname,
72get_last_login_time(uid_t uid, const char *logname,
59 char *buf, u_int bufsize)
73 char *buf, size_t bufsize)
60{
61 struct logininfo li;
62
63 login_get_lastlog(&li, uid);
64 strlcpy(buf, li.hostname, bufsize);
74{
75 struct logininfo li;
76
77 login_get_lastlog(&li, uid);
78 strlcpy(buf, li.hostname, bufsize);
65 return li.tv_sec;
79 return (time_t)li.tv_sec;
66}
67
68/*
69 * Generate and store last login message. This must be done before
70 * login_login() is called and lastlog is updated.
71 */
72static void
73store_lastlog_message(const char *user, uid_t uid)

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98}
99
100/*
101 * Records that the user has logged in. I wish these parts of operating
102 * systems were more standardized.
103 */
104void
105record_login(pid_t pid, const char *tty, const char *user, uid_t uid,
80}
81
82/*
83 * Generate and store last login message. This must be done before
84 * login_login() is called and lastlog is updated.
85 */
86static void
87store_lastlog_message(const char *user, uid_t uid)

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112}
113
114/*
115 * Records that the user has logged in. I wish these parts of operating
116 * systems were more standardized.
117 */
118void
119record_login(pid_t pid, const char *tty, const char *user, uid_t uid,
106 const char *host, struct sockaddr * addr, socklen_t addrlen)
120 const char *host, struct sockaddr *addr, socklen_t addrlen)
107{
108 struct logininfo *li;
109
110 /* save previous login details before writing new */
111 store_lastlog_message(user, uid);
112
113 li = login_alloc_entry(pid, user, host, tty);
114 login_set_addr(li, addr, addrlen);
115 login_login(li);
116 login_free_entry(li);
117}
118
119#ifdef LOGIN_NEEDS_UTMPX
120void
121record_utmp_only(pid_t pid, const char *ttyname, const char *user,
121{
122 struct logininfo *li;
123
124 /* save previous login details before writing new */
125 store_lastlog_message(user, uid);
126
127 li = login_alloc_entry(pid, user, host, tty);
128 login_set_addr(li, addr, addrlen);
129 login_login(li);
130 login_free_entry(li);
131}
132
133#ifdef LOGIN_NEEDS_UTMPX
134void
135record_utmp_only(pid_t pid, const char *ttyname, const char *user,
122 const char *host, struct sockaddr * addr, socklen_t addrlen)
136 const char *host, struct sockaddr *addr, socklen_t addrlen)
123{
124 struct logininfo *li;
125
126 li = login_alloc_entry(pid, user, host, ttyname);
127 login_set_addr(li, addr, addrlen);
128 login_utmp_only(li);
129 login_free_entry(li);
130}

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138 struct logininfo *li;
139
140 li = login_alloc_entry(pid, user, host, ttyname);
141 login_set_addr(li, addr, addrlen);
142 login_utmp_only(li);
143 login_free_entry(li);
144}

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