103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
/* $NetBSD: logout.c,v 1.13 2002/07/27 23:49:23 christos 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. 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
static char sccsid[] = "@(#)logout.c 8.1 (Berkeley) 6/4/93";
|
|
#else
|
|
__RCSID("$NetBSD: logout.c,v 1.13 2002/07/27 23:49:23 christos Exp $");
|
|
#endif
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <assert.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
#include <utmp.h>
|
|
#include <utmpx.h>
|
|
|
|
int
|
|
logout(const char *line)
|
|
{
|
|
int fd, rval;
|
|
struct utmp ut;
|
|
|
|
_DIAGASSERT(line != NULL);
|
|
|
|
if ((fd = open(_PATH_UTMP, O_RDWR, 0)) < 0)
|
|
return(0);
|
|
rval = 0;
|
|
while (read(fd, &ut, sizeof(ut)) == sizeof(ut)) {
|
|
if (!ut.ut_name[0] || strncmp(ut.ut_line, line, UT_LINESIZE))
|
|
continue;
|
|
memset(ut.ut_name, 0, UT_NAMESIZE);
|
|
memset(ut.ut_host, 0, UT_HOSTSIZE);
|
|
(void)time(&ut.ut_time);
|
|
(void)lseek(fd, -(off_t)sizeof(ut), SEEK_CUR);
|
|
(void)write(fd, &ut, sizeof(ut));
|
|
rval = 1;
|
|
}
|
|
(void)close(fd);
|
|
return(rval);
|
|
}
|
|
|
|
int
|
|
logoutx(const char *line, int status, int type)
|
|
{
|
|
struct utmpx *utp, ut;
|
|
(void)strlcpy(ut.ut_line, line, sizeof(ut.ut_line));
|
|
if ((utp = getutxline(&ut)) == NULL) {
|
|
endutxent();
|
|
return 0;
|
|
}
|
|
utp->ut_type = type;
|
|
if (WIFEXITED(status))
|
|
utp->ut_exit.e_exit = (uint16_t)WEXITSTATUS(status);
|
|
if (WIFSIGNALED(status))
|
|
utp->ut_exit.e_termination = (uint16_t)WTERMSIG(status);
|
|
(void)gettimeofday(&utp->ut_tv, NULL);
|
|
(void)pututxline(utp);
|
|
endutxent();
|
|
return 1;
|
|
}
|