xref: /freebsd/libexec/ftpd/logwtmp.c (revision aca5021d5f7dcab1e11692923266373e35322d9a)
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
36 static char sccsid[] = "@(#)logwtmp.c	8.1 (Berkeley) 6/4/93";
37 #endif
38 #endif /* not lint */
39 
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
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 
56 void
57 ftpd_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 	(void)strncpy(ut.ut_line, "ftpd", sizeof(ut.ut_line));
79 
80 	pututxline(&ut);
81 }
82