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/*
SYSVish version:
Copyright (C) 1996, 2000, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General
PublicLicense along with the GNU C Library; see the file COPYING.LIB.
Ifnot, write to the Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301 USA.
* BSDish version:
*
* Copyright (c) 1988, 1993
* The Regents of the University of California. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <utmp.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include "extern.h"
#if !defined (_PATH_WTMP) && defined (WTMP_FILE)
# define _PATH_WTMP WTMP_FILE
#endif
/*
* Modified version of logwtmp that holds wtmp file open
* after first call, for use with ftp (which may chroot
* after login, but before logout).
*/
void
logwtmp (const char *line, const char *name, const char *host)
{
struct utmp ut;
/* Set information in new entry. */
memset (&ut, 0, sizeof (ut));
#if _HAVE_UT_TYPE - 0
ut.ut_type = USER_PROCESS;
#endif
strncpy (ut.ut_line, line, sizeof ut.ut_line);
strncpy (ut.ut_name, name, sizeof ut.ut_name);
#if _HAVE_UT_HOST - 0
strncpy (ut.ut_host, host, sizeof ut.ut_host);
#endif
#if _HAVE_UT_TV - 0
gettimeofday (&ut.ut_tv, NULL);
#else
time (&ut.ut_time);
#endif
#if defined (HAVE_UTMPNAME) && defined (HAVE_SETUTENT_R)
/* XXX I think frobbing the details of DATA is GNU libc specific. */
{
static struct utmp_data data = { -1 };
if (data.ut_fd < 0)
/* Open the file. */
{
/* Tell that we want to use the WTMP file. */
if (utmpname (_PATH_WTMP) == 0)
return;
/* Open WTMP file. */
setutent_r (&data);
}
/* Position at end of file. */
data.loc_utmp = lseek (data.ut_fd, 0, SEEK_END);
if (data.loc_utmp == -1)
return;
/* Write the entry. */
pututline_r (&ut, &data);
}
#else
/* Do things the old way. */
{
struct utmp ut;
struct stat buf;
static int fd = -1;
if (fd < 0 && (fd = open (_PATH_WTMP, O_WRONLY | O_APPEND, 0)) < 0)
return;
if (fstat (fd, &buf) == 0)
{
if (write (fd, (char *) &ut, sizeof (struct utmp)) !=
sizeof (struct utmp))
ftruncate (fd, buf.st_size);
}
}
#endif
}
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