lib/libc/compat/gen/compat_utmpx.c

   1 /*      $NetBSD: compat_utmpx.c,v 1.2.8.3 2008/12/28 01:18:38 christos Exp $     */
   2
   3 /*-
   4  * Copyright (c) 2008 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_utmpx.c,v 1.2.8.3 2008/12/28 01:18:38 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
  41 #define __LIBC12_SOURCE__
  42 #include <assert.h>
  43 #include <sys/time.h>
  44 #include <string.h>
  45 #include <compat/sys/time.h>
  46 #include <utmpx.h>
  47 #include <compat/include/utmpx.h>
  48
  49 __warn_references(getutxent,
  50     "warning: reference to compatibility getutxent(); include <utmpx.h> for correct reference")
  51 __warn_references(getutxid,
  52     "warning: reference to compatibility getutxid(); include <utmpx.h> for correct reference")
  53 __warn_references(getutxline,
  54     "warning: reference to compatibility getutxline(); include <utmpx.h> for correct reference")
  55 __warn_references(pututxline,
  56     "warning: reference to compatibility pututxline(); include <utmpx.h> for correct reference")
  57 __warn_references(updwtmpx,
  58     "warning: reference to compatibility updwtmpx(); include <utmpx.h> for correct reference")
  59 __warn_references(getlastlogx,
  60     "warning: reference to compatibility getlastlogx(); include <utmpx.h> for correct reference")
  61 __warn_references(updlastlogx,
  62     "warning: reference to compatibility updlastlogx(); include <utmpx.h> for correct reference")
  63 __warn_references(getutmp,
  64     "warning: reference to compatibility getutmp(); include <utmpx.h> for correct reference")
  65 __warn_references(getutmpx,
  66     "warning: reference to compatibility getutmpx(); include <utmpx.h> for correct reference")
  67
  68 static struct utmpx50 *
  69 cvt(struct utmpx *ut)
  70 {
  71         if (ut == NULL)
  72                 return NULL;
  73         timeval_to_timeval50(&ut->ut_tv, (void *)&ut->ut_tv);
  74         return (void *)ut;
  75 }
  76
  77 static void
  78 lastlogx50_to_lastlogx(const struct lastlogx50 *ll50, struct lastlogx *ll)
  79 {
  80         (void)memcpy(ll->ll_line, ll50->ll_line, sizeof(ll->ll_line));
  81         (void)memcpy(ll->ll_host, ll50->ll_host, sizeof(ll->ll_host));
  82         (void)memcpy(&ll->ll_ss, &ll50->ll_ss, sizeof(&ll->ll_ss));
  83         timeval50_to_timeval(&ll50->ll_tv, &ll->ll_tv);
  84 }
  85
  86 static void
  87 lastlogx_to_lastlogx50(const struct lastlogx *ll, struct lastlogx50 *ll50)
  88 {
  89         (void)memcpy(ll50->ll_line, ll->ll_line, sizeof(ll50->ll_line));
  90         (void)memcpy(ll50->ll_host, ll->ll_host, sizeof(ll50->ll_host));
  91         (void)memcpy(&ll50->ll_ss, &ll->ll_ss, sizeof(&ll50->ll_ss));
  92         timeval_to_timeval50(&ll->ll_tv, &ll50->ll_tv);
  93 }
  94
  95 struct utmpx50 *
  96 getutxent(void)
  97 {
  98         return cvt(__getutxent50());
  99 }
 100
 101 struct utmpx50 *
 102 getutxid(const struct utmpx50 *ut50)
 103 {
 104         struct utmpx ut;
 105         utmpx50_to_utmpx(ut50, &ut);
 106         return cvt(__getutxid50(&ut));
 107 }
 108
 109 struct utmpx50 *
 110 getutxline(const struct utmpx50 *ut50)
 111 {
 112         struct utmpx ut;
 113         utmpx50_to_utmpx(ut50, &ut);
 114         return cvt(__getutxline50(&ut));
 115 }
 116
 117 struct utmpx50 *
 118 pututxline(const struct utmpx50 *ut50)
 119 {
 120         struct utmpx ut;
 121         utmpx50_to_utmpx(ut50, &ut);
 122         return cvt(__pututxline50(&ut));
 123 }
 124
 125 int
 126 updwtmpx(const char *fname, const struct utmpx50 *ut50)
 127 {
 128         struct utmpx ut;
 129         utmpx50_to_utmpx(ut50, &ut);
 130         return __updwtmpx50(fname, &ut);
 131 }
 132
 133 struct lastlogx50 *
 134 __getlastlogx13(const char *fname, uid_t uid, struct lastlogx50 *ll50)
 135 {
 136         struct lastlogx ll;
 137         if (__getlastlogx50(fname, uid, &ll) == NULL)
 138                 return NULL;
 139         lastlogx_to_lastlogx50(&ll, ll50);
 140         return ll50;
 141 }
 142
 143 static char llfile[MAXPATHLEN] = _PATH_LASTLOGX;
 144
 145 int
 146 lastlogxname(const char *fname)
 147 {
 148         size_t len;
 149
 150         _DIAGASSERT(fname != NULL);
 151
 152         len = strlen(fname);
 153
 154         if (len >= sizeof(llfile))
 155                 return 0;
 156
 157         /* must end in x! */
 158         if (fname[len - 1] != 'x')
 159                 return 0;
 160
 161         (void)strlcpy(llfile, fname, sizeof(llfile));
 162         return 1;
 163 }
 164
 165 struct lastlogx50 *
 166 getlastlogx(uid_t uid, struct lastlogx50 *ll)
 167 {
 168
 169         return __getlastlogx13(llfile, uid, ll);
 170 }
 171
 172 int
 173 updlastlogx(const char *fname, uid_t uid, struct lastlogx50 *ll50)
 174 {
 175         struct lastlogx ll;
 176         lastlogx50_to_lastlogx(ll50, &ll);
 177         return __updlastlogx50(fname, uid, &ll);
 178 }
 179
 180 void
 181 getutmp(const struct utmpx50 *utx50, struct utmp *ut)
 182 {
 183         struct utmpx utx;
 184         utmpx50_to_utmpx(utx50, &utx);
 185         __getutmp50(&utx, ut);
 186 }
 187
 188 void
 189 getutmpx(const struct utmp *ut, struct utmpx50 *utx50)
 190 {
 191         struct utmpx utx;
 192         __getutmpx50(ut, &utx);
 193         utmpx_to_utmpx50(&utx, utx50);
 194 }