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/*
* KON2 - Kanji ON Console -
* Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
*
* 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 TAKASHI MANABE ``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 TERRENCE R. LAMBERT 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.
*
*/
/*
Original utmp.c was ported from Wnn by komeda@ics.osaka-u.ac.jp.
This code is written by manabe@papilio.tutics.tut.ac.jp,
and this does not contain old code (Wnn's setutmp.c).
Thanks to komeda@ics.osaka-u.ac.jp.
*/
#include <config.h>
#ifndef MINI_KON
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <pwd.h>
#include <utmp.h>
#include <grp.h>
#include <sys/stat.h>
static int ttyGid;
void SetUtmp(char *tty)
{
#ifdef linux
struct utmp utmp;
struct passwd *pw;
struct group *ttygrp;
char *tn;
pw = getpwuid(getuid());
tn = rindex(tty, '/') + 1;
memset((char *)&utmp, 0, sizeof(utmp));
strncpy(utmp.ut_id, tn + 3, sizeof(utmp.ut_id));
utmp.ut_type = DEAD_PROCESS;
setutent();
getutid(&utmp);
utmp.ut_type = USER_PROCESS;
utmp.ut_pid = getpid();
strncpy(utmp.ut_line, tn, sizeof(utmp.ut_line));
strncpy(utmp.ut_user, pw->pw_name, sizeof(utmp.ut_user));
time(&(utmp.ut_time));
pututline(&utmp);
endutent();
if ((ttygrp = getgrnam("tty")) != NULL)
ttyGid = ttygrp->gr_gid;
else
ttyGid = -1;
chmod(tty, 0622);
chown(tty, getuid(), ttyGid);
#endif
}
void ResetUtmp(char *tty)
{
#ifdef linux
struct utmp utmp, *utp;
char *tn;
tn = rindex(tty, '/') + 4;
memset((char *)&utmp, 0, sizeof(utmp));
strncpy(utmp.ut_id, tn, sizeof(utmp.ut_id));
utmp.ut_type = USER_PROCESS;
setutent();
utp = getutid(&utmp);
utp->ut_type = DEAD_PROCESS;
memset(utp->ut_user, 0, sizeof(utmp.ut_user));
utp->ut_type = DEAD_PROCESS;
time(&(utp->ut_time));
pututline(utp);
endutent();
chmod(tty, 0600);
chown(tty, 0, ttyGid);
#endif
}
#endif /* MINI_KON */
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