lib/libc/compat/gen/compat_lastlogx.c

   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
  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 *
  87 getlastlogx(uid_t uid, struct lastlogx *ll)
  88 {
  89
  90         return __getlastlogx13(llfile, uid, ll);
  91 }