xref: /netbsd-src/lib/libc/compat/gen/compat_lastlogx.c (revision 461a86f9bdbf4658bc4b37796e978427095f94a7)
1 /*	$NetBSD: compat_lastlogx.c,v 1.2 2009/01/11 02:46:25 christos Exp $	 */
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 
33 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: compat_lastlogx.c,v 1.2 2009/01/11 02:46:25 christos Exp $");
35 #endif /* LIBC_SCCS and not lint */
36 
37 #include "namespace.h"
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/socket.h>
41 #include <sys/stat.h>
42 #include <sys/time.h>
43 #include <sys/wait.h>
44 
45 #include <assert.h>
46 #include <db.h>
47 #include <errno.h>
48 #include <fcntl.h>
49 #include <stdio.h>
50 #include <stdlib.h>
51 #include <string.h>
52 #include <unistd.h>
53 #include <utmp.h>
54 /* don't define earlier, has side effects in fcntl.h */
55 #define __LIBC12_SOURCE__
56 #include <utmpx.h>
57 #include <compat/include/utmpx.h>
58 
59 __warn_references(getlastlogx,
60     "warning: reference to compatibility getlastlogx(); include <utmpx.h> for correct reference")
61 __warn_references(lastlogxname,
62     "warning: reference to deprecated lastlogxname()")
63 
64 static char llfile[MAXPATHLEN] = _PATH_LASTLOGX;
65 
66 int
lastlogxname(const char * fname)67 lastlogxname(const char *fname)
68 {
69 	size_t len;
70 
71 	_DIAGASSERT(fname != NULL);
72 
73 	len = strlen(fname);
74 
75 	if (len >= sizeof(llfile))
76 		return 0;
77 
78 	/* must end in x! */
79 	if (fname[len - 1] != 'x')
80 		return 0;
81 
82 	(void)strlcpy(llfile, fname, sizeof(llfile));
83 	return 1;
84 }
85 
86 struct lastlogx *
getlastlogx(uid_t uid,struct lastlogx * ll)87 getlastlogx(uid_t uid, struct lastlogx *ll)
88 {
89 
90 	return __getlastlogx13(llfile, uid, ll);
91 }
92