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/* $NetBSD: logwtmp.c,v 1.22 2004-08-09 12:56:48 lukem Exp $ */
/*
* 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. 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.
*
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)logwtmp.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: logwtmp.c,v 1.22 2004-08-09 12:56:48 lukem Exp $");
#endif
#endif /* not lint */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <utmp.h>
#ifdef SUPPORT_UTMPX
#include <utmpx.h>
#endif
#include <util.h>
#ifdef KERBEROS5
#include <krb5/krb5.h>
#endif
#include "extern.h"
static int fd = -1;
#ifdef SUPPORT_UTMPX
static int fdx = -1;
#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
ftpd_logwtmp(const char *line, const char *name, const char *host)
{
struct utmp ut;
struct stat buf;
if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (fstat(fd, &buf) == 0) {
(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
(void)time(&ut.ut_time);
if (write(fd, (char *)&ut, sizeof(struct utmp)) !=
sizeof(struct utmp))
(void)ftruncate(fd, buf.st_size);
}
}
#ifdef SUPPORT_UTMPX
void
ftpd_logwtmpx(const char *line, const char *name, const char *host, int status, int utx_type)
{
struct utmpx ut;
struct stat buf;
if (fdx < 0 && (fdx = open(_PATH_WTMPX, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (fstat(fdx, &buf) == 0) {
(void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
(void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
(void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
ut.ut_type = utx_type;
if (WIFEXITED(status))
ut.ut_exit.e_exit = (uint16_t)WEXITSTATUS(status);
if (WIFSIGNALED(status))
ut.ut_exit.e_termination = (uint16_t)WTERMSIG(status);
(void)gettimeofday(&ut.ut_tv, NULL);
if(write(fdx, (char *)&ut, sizeof(struct utmpx)) !=
sizeof(struct utmpx))
(void)ftruncate(fdx, buf.st_size);
}
}
#endif
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