logwtmp.c revision 202604 
1/*
2 * Copyright (c) 1988, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)logwtmp.c	8.1 (Berkeley) 6/4/93";
37#endif
38#endif /* not lint */
39
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD: head/libexec/ftpd/logwtmp.c 202604 2010-01-18 23:28:25Z ed $");
42
43#include <sys/types.h>
44#include <sys/stat.h>
45#include <netinet/in.h>
46#include <arpa/inet.h>
47#include <sys/socket.h>
48
49#include <libutil.h>
50#include <stdio.h>
51#include <string.h>
52#include <unistd.h>
53#include <utmpx.h>
54#include "extern.h"
55
56void
57ftpd_logwtmp(char *id, char *user, struct sockaddr *addr)
58{
59	struct utmpx ut;
60
61	memset(&ut, 0, sizeof(ut));
62
63	if (user != NULL) {
64		/* Log in. */
65		ut.ut_type = USER_PROCESS;
66		(void)strncpy(ut.ut_user, user, sizeof(ut.ut_user));
67		if (addr != NULL)
68			realhostname_sa(ut.ut_host, sizeof(ut.ut_host),
69			    addr, addr->sa_len);
70	} else {
71		/* Log out. */
72		ut.ut_type = DEAD_PROCESS;
73	}
74
75	ut.ut_pid = getpid();
76	gettimeofday(&ut.ut_tv, NULL);
77	(void)strncpy(ut.ut_id, id, sizeof(ut.ut_id));
78
79	pututxline(&ut);
80}
81