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/*-
* Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <timeconv.h>
#include "ulog_internal.h"
static FILE *ufile;
void
ulog_endutxent(void)
{
if (ufile != NULL)
fclose(ufile);
ufile = NULL;
}
struct ulog_utmpx *
ulog_getutxent(void)
{
struct futmp ut;
static struct ulog_utmpx utx;
/* Open the utmp file if not already done so. */
if (ufile == NULL)
ulog_setutxent();
if (ufile == NULL)
return (NULL);
if (fread(&ut, sizeof ut, 1, ufile) != 1)
return (NULL);
#define COPY_STRING(field) do { \
free(utx.ut_ ## field); \
utx.ut_ ## field = strndup(ut.ut_ ## field, \
sizeof ut.ut_ ## field); \
if (utx.ut_ ## field == NULL) \
utx.ut_ ## field = __DECONST(char *, ""); \
} while (0)
COPY_STRING(user);
COPY_STRING(line);
COPY_STRING(host);
utx.ut_tv.tv_sec = _time32_to_time(ut.ut_time);
utx.ut_tv.tv_usec = 0;
return (&utx);
}
void
ulog_setutxent(void)
{
if (ufile != NULL)
fclose(ufile);
ufile = fopen(_PATH_UTMP, "r");
}
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