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