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/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)login.c 5.1 (Berkeley) 9/27/88";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <sys/file.h>
#include <utmp.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/stat.h>
#define UTMPFILE "/etc/utmp"
#define WTMPFILE "/usr/adm/wtmp"
void
login(ut)
struct utmp *ut;
{
register int fd;
int tty;
off_t lseek();
tty = ttyslot();
if (tty > 0 && (fd = open(UTMPFILE, O_WRONLY, 0)) >= 0) {
(void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET);
(void)write(fd, (char *)ut, sizeof(struct utmp));
(void)close(fd);
}
if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) >= 0) {
(void)write(fd, (char *)ut, sizeof(struct utmp));
(void)close(fd);
}
}
/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)logout.c 5.1 (Berkeley) 8/31/88";
#endif /* LIBC_SCCS and not lint */
logout(line)
register char *line;
{
register FILE *fp;
struct utmp ut;
int rval;
time_t time();
if (!(fp = fopen(UTMPFILE, "r+")))
return(0);
rval = 1;
while (fread((char *)&ut, sizeof(struct utmp), 1, fp) == 1) {
if (!ut.ut_name[0] ||
strncmp(ut.ut_line, line, sizeof(ut.ut_line)))
continue;
bzero(ut.ut_name, sizeof(ut.ut_name));
bzero(ut.ut_host, sizeof(ut.ut_host));
(void)time(&ut.ut_time);
(void)fseek(fp, (long)-sizeof(struct utmp), L_INCR);
(void)fwrite((char *)&ut, sizeof(struct utmp), 1, fp);
(void)fseek(fp, (long)0, L_INCR);
rval = 0;
}
(void)fclose(fp);
return(rval);
}
/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)logwtmp.c 5.2 (Berkeley) 9/20/88";
#endif /* LIBC_SCCS and not lint */
logwtmp(line, name, host)
char *line, *name, *host;
{
struct utmp ut;
struct stat buf;
int fd;
time_t time();
char *strncpy();
if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
return;
if (!fstat(fd, &buf)) {
(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);
}
(void)close(fd);
}
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