Importing usr.bin/who
This commit is contained in:
parent
0022ee2cb5
commit
b6d4a4c155
|
@ -29,7 +29,7 @@ SUBDIR= add_route arp ash at backup banner basename btrace cal \
|
||||||
telnetd term termcap tget time touch tr \
|
telnetd term termcap tget time touch tr \
|
||||||
truncate tty udpstat umount uname unexpand \
|
truncate tty udpstat umount uname unexpand \
|
||||||
unstack update uud uue version vol wc \
|
unstack update uud uue version vol wc \
|
||||||
whereis which who write writeisofs fetch \
|
whereis which write writeisofs fetch \
|
||||||
xargs yes zdump zmodem pkgin_cd pkgin_all \
|
xargs yes zdump zmodem pkgin_cd pkgin_all \
|
||||||
worldstone updateboot update_bootcfg
|
worldstone updateboot update_bootcfg
|
||||||
|
|
||||||
|
|
|
@ -1,4 +0,0 @@
|
||||||
PROG= who
|
|
||||||
MAN=
|
|
||||||
|
|
||||||
.include <bsd.prog.mk>
|
|
|
@ -1,72 +0,0 @@
|
||||||
/* who 1.5 - tell who is currently logged in Author: Kees J. Bot
|
|
||||||
* 9 Jul 1989
|
|
||||||
*/
|
|
||||||
#define nil 0
|
|
||||||
#include <sys/types.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
#include <sys/stat.h>
|
|
||||||
#include <utmp.h>
|
|
||||||
#include <time.h>
|
|
||||||
#include <string.h>
|
|
||||||
#include <paths.h>
|
|
||||||
|
|
||||||
char PATH_UTMP[] = _PATH_UTMP;
|
|
||||||
|
|
||||||
char day[] = "SunMonTueWedThuFriSat";
|
|
||||||
char month[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
|
|
||||||
|
|
||||||
int main(int argc, char **argv)
|
|
||||||
{
|
|
||||||
char *tmp= PATH_UTMP;
|
|
||||||
FILE *f;
|
|
||||||
struct utmp ut;
|
|
||||||
struct tm *tm;
|
|
||||||
int slot, wtmp= 0, once= 0;
|
|
||||||
|
|
||||||
if (argc > 3) {
|
|
||||||
fprintf(stderr, "Usage: who <account-file> | who am i\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
if (argc == 2) {
|
|
||||||
tmp= argv[1];
|
|
||||||
wtmp= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((f= fopen(tmp, "r")) == nil) {
|
|
||||||
fprintf(stderr, "who: can't open %s\n", tmp);
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
if (argc == 3) {
|
|
||||||
if ((slot= ttyslot()) < 0) {
|
|
||||||
fprintf(stderr, "who: no access to terminal.\n");
|
|
||||||
exit(1);
|
|
||||||
}
|
|
||||||
fseek(f, (off_t) sizeof(ut) * slot, 0);
|
|
||||||
once= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
while (fread((char *) &ut, sizeof(ut), 1, f) == 1) {
|
|
||||||
if (!wtmp && ut.ut_name[0] == 0) continue;
|
|
||||||
|
|
||||||
tm= localtime(&ut.ut_time);
|
|
||||||
|
|
||||||
printf("%-9.8s %-9.8s %.3s %.3s %2d %02d:%02d",
|
|
||||||
ut.ut_name,
|
|
||||||
ut.ut_line,
|
|
||||||
day + (3 * tm->tm_wday),
|
|
||||||
month + (3 * tm->tm_mon),
|
|
||||||
tm->tm_mday,
|
|
||||||
tm->tm_hour,
|
|
||||||
tm->tm_min
|
|
||||||
);
|
|
||||||
|
|
||||||
if (ut.ut_host[0] != 0) printf(" (%.*s)",
|
|
||||||
(int) sizeof(ut.ut_host), ut.ut_host);
|
|
||||||
|
|
||||||
printf("\n");
|
|
||||||
if (once) break;
|
|
||||||
}
|
|
||||||
exit(0);
|
|
||||||
}
|
|
|
@ -21,7 +21,7 @@ MAN= ash.1 at.1 banner.1 basename.1 \
|
||||||
term.1 termcap.1 tget.1 time.1 tr.1 true.1 \
|
term.1 termcap.1 tget.1 time.1 tr.1 true.1 \
|
||||||
truncate.1 tty.1 umount.1 uname.1 unexpand.1 \
|
truncate.1 tty.1 umount.1 uname.1 unexpand.1 \
|
||||||
uud.1 uue.1 vol.1 wc.1 whereis.1 which.1 \
|
uud.1 uue.1 vol.1 wc.1 whereis.1 which.1 \
|
||||||
who.1 write.1 xargs.1 yap.1 yes.1 linkfarm.1 pkg_view.1
|
write.1 xargs.1 yap.1 yes.1 linkfarm.1 pkg_view.1
|
||||||
|
|
||||||
MLINKS += ash.1 sh.1
|
MLINKS += ash.1 sh.1
|
||||||
MLINKS += ash.1 ..1
|
MLINKS += ash.1 ..1
|
||||||
|
|
|
@ -1,33 +0,0 @@
|
||||||
.TH WHO 1
|
|
||||||
.SH NAME
|
|
||||||
who \- print list of currently logged in users
|
|
||||||
.SH SYNOPSIS
|
|
||||||
\fBwho\fR [\fIfile\fR]\fR
|
|
||||||
.br
|
|
||||||
.de FL
|
|
||||||
.TP
|
|
||||||
\\fB\\$1\\fR
|
|
||||||
\\$2
|
|
||||||
..
|
|
||||||
.de EX
|
|
||||||
.TP 20
|
|
||||||
\\fB\\$1\\fR
|
|
||||||
# \\$2
|
|
||||||
..
|
|
||||||
.SH EXAMPLES
|
|
||||||
.TP 20
|
|
||||||
.B who
|
|
||||||
# Print user names, terminals and times
|
|
||||||
.SH DESCRIPTION
|
|
||||||
.PP
|
|
||||||
\fIWho\fR prints a list of currently logged in users. For each one,
|
|
||||||
the user name, terminal, and login time is printed.
|
|
||||||
This program gets its information from the file \fI/etc/utmp\fR, which
|
|
||||||
is updated by init and login.
|
|
||||||
If the file does not exist, neither of these will create it, and
|
|
||||||
\fIwho\fR will not work. Note that if you decide to create an empty
|
|
||||||
\fI/usr/adm/wtmp\fR to enable the login accounting, it will grow forever and
|
|
||||||
eventually fill up your disk unless you manually truncate it from time to time.
|
|
||||||
If an optional file name is provided, the logins in that file will be printed.
|
|
||||||
.SH "SEE ALSO"
|
|
||||||
.BR utmp (5).
|
|
|
@ -158,6 +158,7 @@
|
||||||
2012/10/17 12:00:00,usr.bin/tput
|
2012/10/17 12:00:00,usr.bin/tput
|
||||||
2012/10/17 12:00:00,usr.bin/tsort
|
2012/10/17 12:00:00,usr.bin/tsort
|
||||||
2010/10/06 07:59:18,usr.bin/uniq
|
2010/10/06 07:59:18,usr.bin/uniq
|
||||||
|
2013/03/15 12:00:00,usr.bin/who
|
||||||
2012/10/17 12:00:00,usr.bin/xinstall
|
2012/10/17 12:00:00,usr.bin/xinstall
|
||||||
2012/02/10 16:16:12,usr.sbin/chroot
|
2012/02/10 16:16:12,usr.sbin/chroot
|
||||||
2011/11/03 20:46:41,usr.sbin/installboot
|
2011/11/03 20:46:41,usr.sbin/installboot
|
||||||
|
|
|
@ -30,7 +30,7 @@ SUBDIR= \
|
||||||
uniq \
|
uniq \
|
||||||
\
|
\
|
||||||
\
|
\
|
||||||
\
|
who \
|
||||||
xinstall
|
xinstall
|
||||||
|
|
||||||
.if !defined(__MINIX)
|
.if !defined(__MINIX)
|
||||||
|
|
8
usr.bin/who/Makefile
Normal file
8
usr.bin/who/Makefile
Normal file
|
@ -0,0 +1,8 @@
|
||||||
|
# $NetBSD: Makefile,v 1.9 2009/04/14 22:15:29 lukem Exp $
|
||||||
|
# @(#)Makefile 8.1 (Berkeley) 6/6/93
|
||||||
|
|
||||||
|
PROG= who
|
||||||
|
SRCS= who.c utmpentry.c
|
||||||
|
CPPFLAGS+= -DSUPPORT_UTMPX -DSUPPORT_UTMP
|
||||||
|
|
||||||
|
.include <bsd.prog.mk>
|
329
usr.bin/who/utmpentry.c
Normal file
329
usr.bin/who/utmpentry.c
Normal file
|
@ -0,0 +1,329 @@
|
||||||
|
/* $NetBSD: utmpentry.c,v 1.17 2009/05/01 14:26:10 christos Exp $ */
|
||||||
|
|
||||||
|
/*-
|
||||||
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to The NetBSD Foundation
|
||||||
|
* by Christos Zoulas.
|
||||||
|
*
|
||||||
|
* 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 THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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
|
||||||
|
__RCSID("$NetBSD: utmpentry.c,v 1.17 2009/05/01 14:26:10 christos Exp $");
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <sys/stat.h>
|
||||||
|
|
||||||
|
#include <time.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <err.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
#include <utmp.h>
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
#include <utmpx.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "utmpentry.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* Fail the compile if x is not true, by constructing an illegal type. */
|
||||||
|
#define COMPILE_ASSERT(x) /*LINTED null effect */ \
|
||||||
|
((void)sizeof(struct { unsigned : ((x) ? 1 : -1); }))
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
static void getentry(struct utmpentry *, struct utmp *);
|
||||||
|
static struct timespec utmptime = {0, 0};
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
static void getentryx(struct utmpentry *, struct utmpx *);
|
||||||
|
static struct timespec utmpxtime = {0, 0};
|
||||||
|
#endif
|
||||||
|
#if defined(SUPPORT_UTMPX) || defined(SUPPORT_UTMP)
|
||||||
|
static int setup(const char *);
|
||||||
|
static void adjust_size(struct utmpentry *e);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
int maxname = 8, maxline = 8, maxhost = 16;
|
||||||
|
int etype = 1 << USER_PROCESS;
|
||||||
|
static int numutmp = 0;
|
||||||
|
static struct utmpentry *ehead;
|
||||||
|
|
||||||
|
#if defined(SUPPORT_UTMPX) || defined(SUPPORT_UTMP)
|
||||||
|
static void
|
||||||
|
adjust_size(struct utmpentry *e)
|
||||||
|
{
|
||||||
|
int max;
|
||||||
|
|
||||||
|
if ((max = strlen(e->name)) > maxname)
|
||||||
|
maxname = max;
|
||||||
|
if ((max = strlen(e->line)) > maxline)
|
||||||
|
maxline = max;
|
||||||
|
if ((max = strlen(e->host)) > maxhost)
|
||||||
|
maxhost = max;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
setup(const char *fname)
|
||||||
|
{
|
||||||
|
int what = 3;
|
||||||
|
struct stat st;
|
||||||
|
const char *sfname;
|
||||||
|
|
||||||
|
if (fname == NULL) {
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
setutxent();
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
setutent();
|
||||||
|
#endif
|
||||||
|
} else {
|
||||||
|
size_t len = strlen(fname);
|
||||||
|
if (len == 0)
|
||||||
|
errx(1, "Filename cannot be 0 length.");
|
||||||
|
what = fname[len - 1] == 'x' ? 1 : 2;
|
||||||
|
if (what == 1) {
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
if (utmpxname(fname) == 0)
|
||||||
|
warnx("Cannot set utmpx file to `%s'",
|
||||||
|
fname);
|
||||||
|
#else
|
||||||
|
warnx("utmpx support not compiled in");
|
||||||
|
#endif
|
||||||
|
} else {
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
if (utmpname(fname) == 0)
|
||||||
|
warnx("Cannot set utmp file to `%s'",
|
||||||
|
fname);
|
||||||
|
#else
|
||||||
|
warnx("utmp support not compiled in");
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
if (what & 1) {
|
||||||
|
sfname = fname ? fname : _PATH_UTMPX;
|
||||||
|
if (stat(sfname, &st) == -1) {
|
||||||
|
warn("Cannot stat `%s'", sfname);
|
||||||
|
what &= ~1;
|
||||||
|
} else {
|
||||||
|
if (timespeccmp(&st.st_mtimespec, &utmpxtime, >))
|
||||||
|
utmpxtime = st.st_mtimespec;
|
||||||
|
else
|
||||||
|
what &= ~1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
if (what & 2) {
|
||||||
|
sfname = fname ? fname : _PATH_UTMP;
|
||||||
|
if (stat(sfname, &st) == -1) {
|
||||||
|
warn("Cannot stat `%s'", sfname);
|
||||||
|
what &= ~2;
|
||||||
|
} else {
|
||||||
|
if (timespeccmp(&st.st_mtimespec, &utmptime, >))
|
||||||
|
utmptime = st.st_mtimespec;
|
||||||
|
else
|
||||||
|
what &= ~2;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
return what;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
void
|
||||||
|
endutentries(void)
|
||||||
|
{
|
||||||
|
struct utmpentry *ep;
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
timespecclear(&utmptime);
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
timespecclear(&utmpxtime);
|
||||||
|
#endif
|
||||||
|
ep = ehead;
|
||||||
|
while (ep) {
|
||||||
|
struct utmpentry *sep = ep;
|
||||||
|
ep = ep->next;
|
||||||
|
free(sep);
|
||||||
|
}
|
||||||
|
ehead = NULL;
|
||||||
|
numutmp = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
getutentries(const char *fname, struct utmpentry **epp)
|
||||||
|
{
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
struct utmpx *utx;
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
struct utmp *ut;
|
||||||
|
#endif
|
||||||
|
#if defined(SUPPORT_UTMP) || defined(SUPPORT_UTMPX)
|
||||||
|
struct utmpentry *ep;
|
||||||
|
int what = setup(fname);
|
||||||
|
struct utmpentry **nextp = &ehead;
|
||||||
|
switch (what) {
|
||||||
|
case 0:
|
||||||
|
/* No updates */
|
||||||
|
*epp = ehead;
|
||||||
|
return numutmp;
|
||||||
|
default:
|
||||||
|
/* Need to re-scan */
|
||||||
|
ehead = NULL;
|
||||||
|
numutmp = 0;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
while ((what & 1) && (utx = getutxent()) != NULL) {
|
||||||
|
if (fname == NULL && ((1 << utx->ut_type) & etype) == 0)
|
||||||
|
continue;
|
||||||
|
if ((ep = calloc(1, sizeof(struct utmpentry))) == NULL) {
|
||||||
|
warn(NULL);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
getentryx(ep, utx);
|
||||||
|
*nextp = ep;
|
||||||
|
nextp = &(ep->next);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
if ((etype & (1 << USER_PROCESS)) != 0) {
|
||||||
|
while ((what & 2) && (ut = getutent()) != NULL) {
|
||||||
|
if (fname == NULL && (*ut->ut_name == '\0' ||
|
||||||
|
*ut->ut_line == '\0'))
|
||||||
|
continue;
|
||||||
|
/* Don't process entries that we have utmpx for */
|
||||||
|
for (ep = ehead; ep != NULL; ep = ep->next) {
|
||||||
|
if (strncmp(ep->line, ut->ut_line,
|
||||||
|
sizeof(ut->ut_line)) == 0)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (ep != NULL)
|
||||||
|
continue;
|
||||||
|
if ((ep = calloc(1, sizeof(*ep))) == NULL) {
|
||||||
|
warn(NULL);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
getentry(ep, ut);
|
||||||
|
*nextp = ep;
|
||||||
|
nextp = &(ep->next);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
numutmp = 0;
|
||||||
|
#if defined(SUPPORT_UTMP) || defined(SUPPORT_UTMPX)
|
||||||
|
if (ehead != NULL) {
|
||||||
|
struct utmpentry *from = ehead, *save;
|
||||||
|
|
||||||
|
ehead = NULL;
|
||||||
|
while (from != NULL) {
|
||||||
|
for (nextp = &ehead;
|
||||||
|
(*nextp) && strcmp(from->line, (*nextp)->line) > 0;
|
||||||
|
nextp = &(*nextp)->next)
|
||||||
|
continue;
|
||||||
|
save = from;
|
||||||
|
from = from->next;
|
||||||
|
save->next = *nextp;
|
||||||
|
*nextp = save;
|
||||||
|
numutmp++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
*epp = ehead;
|
||||||
|
return numutmp;
|
||||||
|
#else
|
||||||
|
*epp = NULL;
|
||||||
|
return 0;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
static void
|
||||||
|
getentry(struct utmpentry *e, struct utmp *up)
|
||||||
|
{
|
||||||
|
COMPILE_ASSERT(sizeof(e->name) > sizeof(up->ut_name));
|
||||||
|
COMPILE_ASSERT(sizeof(e->line) > sizeof(up->ut_line));
|
||||||
|
COMPILE_ASSERT(sizeof(e->host) > sizeof(up->ut_host));
|
||||||
|
|
||||||
|
/*
|
||||||
|
* e has just been calloc'd. We don't need to clear it or
|
||||||
|
* append null-terminators, because its length is strictly
|
||||||
|
* greater than the source string. Use strncpy to _read_
|
||||||
|
* up->ut_* because they may not be terminated. For this
|
||||||
|
* reason we use the size of the _source_ as the length
|
||||||
|
* argument.
|
||||||
|
*/
|
||||||
|
(void)strncpy(e->name, up->ut_name, sizeof(up->ut_name));
|
||||||
|
(void)strncpy(e->line, up->ut_line, sizeof(up->ut_line));
|
||||||
|
(void)strncpy(e->host, up->ut_host, sizeof(up->ut_host));
|
||||||
|
|
||||||
|
e->tv.tv_sec = up->ut_time;
|
||||||
|
e->tv.tv_usec = 0;
|
||||||
|
e->pid = 0;
|
||||||
|
e->term = 0;
|
||||||
|
e->exit = 0;
|
||||||
|
e->sess = 0;
|
||||||
|
e->type = USER_PROCESS;
|
||||||
|
adjust_size(e);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
static void
|
||||||
|
getentryx(struct utmpentry *e, struct utmpx *up)
|
||||||
|
{
|
||||||
|
COMPILE_ASSERT(sizeof(e->name) > sizeof(up->ut_name));
|
||||||
|
COMPILE_ASSERT(sizeof(e->line) > sizeof(up->ut_line));
|
||||||
|
COMPILE_ASSERT(sizeof(e->host) > sizeof(up->ut_host));
|
||||||
|
|
||||||
|
/*
|
||||||
|
* e has just been calloc'd. We don't need to clear it or
|
||||||
|
* append null-terminators, because its length is strictly
|
||||||
|
* greater than the source string. Use strncpy to _read_
|
||||||
|
* up->ut_* because they may not be terminated. For this
|
||||||
|
* reason we use the size of the _source_ as the length
|
||||||
|
* argument.
|
||||||
|
*/
|
||||||
|
(void)strncpy(e->name, up->ut_name, sizeof(up->ut_name));
|
||||||
|
(void)strncpy(e->line, up->ut_line, sizeof(up->ut_line));
|
||||||
|
(void)strncpy(e->host, up->ut_host, sizeof(up->ut_host));
|
||||||
|
|
||||||
|
e->tv = up->ut_tv;
|
||||||
|
e->pid = up->ut_pid;
|
||||||
|
e->term = up->ut_exit.e_termination;
|
||||||
|
e->exit = up->ut_exit.e_exit;
|
||||||
|
e->sess = up->ut_session;
|
||||||
|
e->type = up->ut_type;
|
||||||
|
adjust_size(e);
|
||||||
|
}
|
||||||
|
#endif
|
76
usr.bin/who/utmpentry.h
Normal file
76
usr.bin/who/utmpentry.h
Normal file
|
@ -0,0 +1,76 @@
|
||||||
|
/* $NetBSD: utmpentry.h,v 1.7 2008/07/13 20:07:49 dholland Exp $ */
|
||||||
|
|
||||||
|
/*-
|
||||||
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to The NetBSD Foundation
|
||||||
|
* by Christos Zoulas.
|
||||||
|
*
|
||||||
|
* 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 THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#if defined(SUPPORT_UTMPX)
|
||||||
|
# include <utmpx.h>
|
||||||
|
# define WHO_NAME_LEN _UTX_USERSIZE
|
||||||
|
# define WHO_LINE_LEN _UTX_LINESIZE
|
||||||
|
# define WHO_HOST_LEN _UTX_HOSTSIZE
|
||||||
|
#elif defined(SUPPORT_UTMP)
|
||||||
|
# include <utmp.h>
|
||||||
|
# define WHO_NAME_LEN UT_NAMESIZE
|
||||||
|
# define WHO_LINE_LEN UT_LINESIZE
|
||||||
|
# define WHO_HOST_LEN UT_HOSTSIZE
|
||||||
|
#else
|
||||||
|
# error Either SUPPORT_UTMPX or SUPPORT_UTMP must be defined!
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
struct utmpentry {
|
||||||
|
char name[WHO_NAME_LEN + 1];
|
||||||
|
char line[WHO_LINE_LEN + 1];
|
||||||
|
char host[WHO_HOST_LEN + 1];
|
||||||
|
struct timeval tv;
|
||||||
|
pid_t pid;
|
||||||
|
uint16_t term;
|
||||||
|
uint16_t exit;
|
||||||
|
uint16_t sess;
|
||||||
|
uint16_t type;
|
||||||
|
struct utmpentry *next;
|
||||||
|
};
|
||||||
|
|
||||||
|
extern int maxname, maxline, maxhost;
|
||||||
|
extern int etype;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* getutentries provides a linked list of struct utmpentry and returns
|
||||||
|
* the number of entries. The first argument, if not null, names an
|
||||||
|
* alternate utmp(x) file to look in.
|
||||||
|
*
|
||||||
|
* The memory returned by getutentries belongs to getutentries. The
|
||||||
|
* list returned (or elements of it) may be returned again later if
|
||||||
|
* utmp hasn't changed in the meantime.
|
||||||
|
*
|
||||||
|
* endutentries clears and frees the cached data.
|
||||||
|
*/
|
||||||
|
|
||||||
|
int getutentries(const char *, struct utmpentry **);
|
||||||
|
void endutentries(void);
|
199
usr.bin/who/who.1
Normal file
199
usr.bin/who/who.1
Normal file
|
@ -0,0 +1,199 @@
|
||||||
|
.\" $NetBSD: who.1,v 1.22 2007/01/18 00:15:05 wiz Exp $
|
||||||
|
.\"
|
||||||
|
.\" Copyright (c) 1986, 1991, 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.
|
||||||
|
.\"
|
||||||
|
.\" @(#)who.1 8.2 (Berkeley) 12/30/93
|
||||||
|
.\"
|
||||||
|
.Dd January 17, 2007
|
||||||
|
.Dt WHO 1
|
||||||
|
.Os
|
||||||
|
.Sh NAME
|
||||||
|
.Nm who
|
||||||
|
.Nd display who is logged in
|
||||||
|
.Sh SYNOPSIS
|
||||||
|
.Nm
|
||||||
|
.Op Fl abdHlmqrstTuv
|
||||||
|
.Op Ar file
|
||||||
|
.Nm
|
||||||
|
.Ar am i
|
||||||
|
.Sh DESCRIPTION
|
||||||
|
The
|
||||||
|
.Nm
|
||||||
|
utility displays a list of all users currently logged on, showing for
|
||||||
|
each user the login name, tty name, the date and time of login, and
|
||||||
|
hostname if not local.
|
||||||
|
.Pp
|
||||||
|
Available options:
|
||||||
|
.Pp
|
||||||
|
.Bl -tag -width file
|
||||||
|
.It Fl a
|
||||||
|
Same as
|
||||||
|
.Fl -bdlprTtuv .
|
||||||
|
.It Fl b
|
||||||
|
Time of last system boot.
|
||||||
|
.It Fl d
|
||||||
|
Print dead processes.
|
||||||
|
.It Fl H
|
||||||
|
Write column headings above the regular output.
|
||||||
|
.It Fl l
|
||||||
|
Print system login processes.
|
||||||
|
.It Fl m
|
||||||
|
Only print information about the current terminal.
|
||||||
|
This is the
|
||||||
|
.Tn POSIX
|
||||||
|
way of saying
|
||||||
|
.Nm
|
||||||
|
.Ar am i .
|
||||||
|
.It Fl p
|
||||||
|
Print active processes spawned by
|
||||||
|
.Xr init 8 .
|
||||||
|
.It Fl q
|
||||||
|
.Dq Quick mode :
|
||||||
|
List only the names and the number of users currently logged on.
|
||||||
|
When this option is used, all other options are ignored.
|
||||||
|
.It Fl r
|
||||||
|
Print the current runlevel.
|
||||||
|
Supported runlevels are:
|
||||||
|
.Bl -tag -width "s (SINGLE_USER)"
|
||||||
|
.It Dv d Pq Dv DEATH
|
||||||
|
The system has halted.
|
||||||
|
.It Dv s Pq Dv SINGLE_USER
|
||||||
|
The system is running in single user mode.
|
||||||
|
.It Dv r Pq Dv RUNCOM
|
||||||
|
The system is executing
|
||||||
|
.Pa /etc/rc .
|
||||||
|
.It Dv t Pq Dv READ_TTYS
|
||||||
|
The system is processing
|
||||||
|
.Pa /etc/ttys .
|
||||||
|
.It Dv m Pq Dv MULTI_USER
|
||||||
|
The system is running in multi-user mode.
|
||||||
|
.It Dv T Pq Dv CLEAN_TTYS
|
||||||
|
The system is in the process of stopping processes
|
||||||
|
associated with terminal devices.
|
||||||
|
.It Dv c Pq Dv CATATONIA
|
||||||
|
The system is in the process of shutting down and will
|
||||||
|
not create new processes.
|
||||||
|
.El
|
||||||
|
.It Fl s
|
||||||
|
List only the name, line and time fields.
|
||||||
|
This is the default.
|
||||||
|
.It Fl T
|
||||||
|
Print a character after the user name indicating the state of the
|
||||||
|
terminal line:
|
||||||
|
.Sq +
|
||||||
|
if the terminal is writable;
|
||||||
|
.Sq -
|
||||||
|
if it is not;
|
||||||
|
and
|
||||||
|
.Sq \&?
|
||||||
|
if a bad line is encountered.
|
||||||
|
.It Fl t
|
||||||
|
Print last system clock change.
|
||||||
|
.It Fl u
|
||||||
|
Print the idle time for each user, and the associated process ID.
|
||||||
|
.It Fl v
|
||||||
|
When printing of more information is requested with
|
||||||
|
.Fl u ,
|
||||||
|
this switch can be used to also printed
|
||||||
|
process termination signals,
|
||||||
|
process exit status,
|
||||||
|
session id for windowing
|
||||||
|
and the type of the entry, see documentation of ut_type in
|
||||||
|
.Xr getutxent 3 .
|
||||||
|
.It Ar \&am I
|
||||||
|
Returns the invoker's real user name.
|
||||||
|
.It Ar file
|
||||||
|
By default,
|
||||||
|
.Nm
|
||||||
|
gathers information from the file
|
||||||
|
.Pa /var/run/utmpx .
|
||||||
|
An alternative
|
||||||
|
.Ar file
|
||||||
|
may be specified which is usually
|
||||||
|
.Pa /var/log/wtmpx
|
||||||
|
(or
|
||||||
|
.Pa /var/log/wtmp ,
|
||||||
|
or
|
||||||
|
.Pa /var/log/wtmpx.[0-6]
|
||||||
|
or
|
||||||
|
.Pa /var/log/wtmp.[0-6]
|
||||||
|
depending on site policy as
|
||||||
|
.Pa wtmpx
|
||||||
|
can grow quite large and daily versions may or may not
|
||||||
|
be kept around after compression by
|
||||||
|
.Xr ac 8 ) .
|
||||||
|
The
|
||||||
|
.Pa wtmpx
|
||||||
|
and
|
||||||
|
.Pa wtmp
|
||||||
|
file contains a record of every login, logout,
|
||||||
|
crash, shutdown and date change
|
||||||
|
since
|
||||||
|
.Pa wtmpx
|
||||||
|
and
|
||||||
|
.Pa wtmp
|
||||||
|
were last truncated or
|
||||||
|
created.
|
||||||
|
.El
|
||||||
|
.Pp
|
||||||
|
If
|
||||||
|
.Pa /var/log/wtmpx
|
||||||
|
or
|
||||||
|
.Pa /var/log/wtmp
|
||||||
|
are being used as the file, the user name may be empty
|
||||||
|
or one of the special characters '|', '}' and '~'.
|
||||||
|
Logouts produce an output line without any user name.
|
||||||
|
For more information on the
|
||||||
|
special characters, see
|
||||||
|
.Xr utmp 5 .
|
||||||
|
.Sh FILES
|
||||||
|
.Bl -tag -width /var/log/wtmp.[0-6] -compact
|
||||||
|
.It Pa /var/run/utmp
|
||||||
|
.It Pa /var/run/utmpx
|
||||||
|
.It Pa /var/log/wtmp
|
||||||
|
.It Pa /var/log/wtmp.[0-6]
|
||||||
|
.It Pa /var/log/wtmpx
|
||||||
|
.It Pa /var/log/wtmpx.[0-6]
|
||||||
|
.El
|
||||||
|
.Sh SEE ALSO
|
||||||
|
.Xr last 1 ,
|
||||||
|
.Xr mesg 1 ,
|
||||||
|
.Xr users 1 ,
|
||||||
|
.Xr getuid 2 ,
|
||||||
|
.Xr utmp 5 ,
|
||||||
|
.Xr utmpx 5
|
||||||
|
.Sh STANDARDS
|
||||||
|
The
|
||||||
|
.Nm
|
||||||
|
utility is expected to conform to
|
||||||
|
.St -p1003.2-92 .
|
||||||
|
.Sh HISTORY
|
||||||
|
A
|
||||||
|
.Nm
|
||||||
|
utility appeared in
|
||||||
|
.At v6 .
|
389
usr.bin/who/who.c
Normal file
389
usr.bin/who/who.c
Normal file
|
@ -0,0 +1,389 @@
|
||||||
|
/* $NetBSD: who.c,v 1.23 2008/07/24 15:35:41 christos Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1989, 1993
|
||||||
|
* The Regents of the University of California. All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to Berkeley by
|
||||||
|
* Michael Fischbein.
|
||||||
|
*
|
||||||
|
* 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
|
||||||
|
__COPYRIGHT("@(#) Copyright (c) 1989, 1993\
|
||||||
|
The Regents of the University of California. All rights reserved.");
|
||||||
|
#endif /* not lint */
|
||||||
|
|
||||||
|
#ifndef lint
|
||||||
|
#if 0
|
||||||
|
static char sccsid[] = "@(#)who.c 8.1 (Berkeley) 6/6/93";
|
||||||
|
#endif
|
||||||
|
__RCSID("$NetBSD: who.c,v 1.23 2008/07/24 15:35:41 christos Exp $");
|
||||||
|
#endif /* not lint */
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
|
||||||
|
#include <err.h>
|
||||||
|
#include <locale.h>
|
||||||
|
#include <pwd.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <time.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#ifdef SUPPORT_UTMP
|
||||||
|
#include <utmp.h>
|
||||||
|
#endif
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
#include <utmpx.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include "utmpentry.h"
|
||||||
|
|
||||||
|
static void output_labels(void);
|
||||||
|
static void who_am_i(const char *, int);
|
||||||
|
static void usage(void) __dead;
|
||||||
|
static void process(const char *, int);
|
||||||
|
static void eprint(const struct utmpentry *);
|
||||||
|
static void print(const char *, const char *, time_t, const char *, pid_t pid,
|
||||||
|
uint16_t term, uint16_t xit, uint16_t sess, uint16_t type);
|
||||||
|
static void quick(const char *);
|
||||||
|
|
||||||
|
static int show_term; /* show term state */
|
||||||
|
static int show_idle; /* show idle time */
|
||||||
|
static int show_details; /* show exit status etc. */
|
||||||
|
|
||||||
|
struct ut_type_names {
|
||||||
|
int type;
|
||||||
|
const char *name;
|
||||||
|
} ut_type_names[] = {
|
||||||
|
#ifdef SUPPORT_UTMPX
|
||||||
|
{ EMPTY, "empty" },
|
||||||
|
{ RUN_LVL, "run level" },
|
||||||
|
{ BOOT_TIME, "boot time" },
|
||||||
|
{ OLD_TIME, "old time" },
|
||||||
|
{ NEW_TIME, "new time" },
|
||||||
|
{ INIT_PROCESS, "init process" },
|
||||||
|
{ LOGIN_PROCESS, "login process" },
|
||||||
|
{ USER_PROCESS, "user process" },
|
||||||
|
{ DEAD_PROCESS, "dead process" },
|
||||||
|
#if defined(_NETBSD_SOURCE)
|
||||||
|
{ ACCOUNTING, "accounting" },
|
||||||
|
{ SIGNATURE, "signature" },
|
||||||
|
{ DOWN_TIME, "down time" },
|
||||||
|
#endif /* _NETBSD_SOURCE */
|
||||||
|
#endif /* SUPPORT_UTMPX */
|
||||||
|
{ -1, "unknown" }
|
||||||
|
};
|
||||||
|
|
||||||
|
int
|
||||||
|
main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
int c, only_current_term, show_labels, quick_mode, default_mode;
|
||||||
|
int et = 0;
|
||||||
|
|
||||||
|
setlocale(LC_ALL, "");
|
||||||
|
|
||||||
|
only_current_term = show_term = show_idle = show_labels = 0;
|
||||||
|
quick_mode = default_mode = 0;
|
||||||
|
|
||||||
|
while ((c = getopt(argc, argv, "abdHlmpqrsTtuv")) != -1) {
|
||||||
|
switch (c) {
|
||||||
|
case 'a':
|
||||||
|
et = -1;
|
||||||
|
show_idle = show_details = 1;
|
||||||
|
break;
|
||||||
|
case 'b':
|
||||||
|
et |= (1 << BOOT_TIME);
|
||||||
|
break;
|
||||||
|
case 'd':
|
||||||
|
et |= (1 << DEAD_PROCESS);
|
||||||
|
break;
|
||||||
|
case 'H':
|
||||||
|
show_labels = 1;
|
||||||
|
break;
|
||||||
|
case 'l':
|
||||||
|
et |= (1 << LOGIN_PROCESS);
|
||||||
|
break;
|
||||||
|
case 'm':
|
||||||
|
only_current_term = 1;
|
||||||
|
break;
|
||||||
|
case 'p':
|
||||||
|
et |= (1 << INIT_PROCESS);
|
||||||
|
break;
|
||||||
|
case 'q':
|
||||||
|
quick_mode = 1;
|
||||||
|
break;
|
||||||
|
case 'r':
|
||||||
|
et |= (1 << RUN_LVL);
|
||||||
|
break;
|
||||||
|
case 's':
|
||||||
|
default_mode = 1;
|
||||||
|
break;
|
||||||
|
case 'T':
|
||||||
|
show_term = 1;
|
||||||
|
break;
|
||||||
|
case 't':
|
||||||
|
et |= (1 << NEW_TIME);
|
||||||
|
break;
|
||||||
|
case 'u':
|
||||||
|
show_idle = 1;
|
||||||
|
break;
|
||||||
|
case 'v':
|
||||||
|
show_details = 1;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
usage();
|
||||||
|
/* NOTREACHED */
|
||||||
|
}
|
||||||
|
}
|
||||||
|
argc -= optind;
|
||||||
|
argv += optind;
|
||||||
|
|
||||||
|
if (et != 0)
|
||||||
|
etype = et;
|
||||||
|
|
||||||
|
if (chdir("/dev")) {
|
||||||
|
err(EXIT_FAILURE, "cannot change directory to /dev");
|
||||||
|
/* NOTREACHED */
|
||||||
|
}
|
||||||
|
|
||||||
|
if (default_mode)
|
||||||
|
only_current_term = show_term = show_idle = 0;
|
||||||
|
|
||||||
|
switch (argc) {
|
||||||
|
case 0: /* who */
|
||||||
|
if (quick_mode) {
|
||||||
|
quick(NULL);
|
||||||
|
} else if (only_current_term) {
|
||||||
|
who_am_i(NULL, show_labels);
|
||||||
|
} else {
|
||||||
|
process(NULL, show_labels);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 1: /* who utmp_file */
|
||||||
|
if (quick_mode) {
|
||||||
|
quick(*argv);
|
||||||
|
} else if (only_current_term) {
|
||||||
|
who_am_i(*argv, show_labels);
|
||||||
|
} else {
|
||||||
|
process(*argv, show_labels);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case 2: /* who am i */
|
||||||
|
who_am_i(NULL, show_labels);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
usage();
|
||||||
|
/* NOTREACHED */
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static char *
|
||||||
|
strrstr(const char *str, const char *pat)
|
||||||
|
{
|
||||||
|
const char *estr;
|
||||||
|
size_t len;
|
||||||
|
if (*pat == '\0')
|
||||||
|
return __UNCONST(str);
|
||||||
|
|
||||||
|
len = strlen(pat);
|
||||||
|
|
||||||
|
for (estr = str + strlen(str); str < estr; estr--)
|
||||||
|
if (strncmp(estr, pat, len) == 0)
|
||||||
|
return __UNCONST(estr);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
who_am_i(const char *fname, int show_labels)
|
||||||
|
{
|
||||||
|
struct passwd *pw;
|
||||||
|
const char *p;
|
||||||
|
char *t;
|
||||||
|
time_t now;
|
||||||
|
struct utmpentry *ehead, *ep;
|
||||||
|
|
||||||
|
/* search through the utmp and find an entry for this tty */
|
||||||
|
if ((p = ttyname(STDIN_FILENO)) != NULL) {
|
||||||
|
|
||||||
|
/* strip directory prefixes for ttys */
|
||||||
|
if ((t = strrstr(p, "/pts/")) != NULL ||
|
||||||
|
(t = strrchr(p, '/')) != NULL)
|
||||||
|
p = t + 1;
|
||||||
|
|
||||||
|
(void)getutentries(fname, &ehead);
|
||||||
|
for (ep = ehead; ep; ep = ep->next)
|
||||||
|
if (strcmp(ep->line, p) == 0) {
|
||||||
|
if (show_labels)
|
||||||
|
output_labels();
|
||||||
|
eprint(ep);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
} else
|
||||||
|
p = "tty??";
|
||||||
|
|
||||||
|
(void)time(&now);
|
||||||
|
pw = getpwuid(getuid());
|
||||||
|
if (show_labels)
|
||||||
|
output_labels();
|
||||||
|
print(pw ? pw->pw_name : "?", p, now, "", getpid(), 0, 0, 0, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
process(const char *fname, int show_labels)
|
||||||
|
{
|
||||||
|
struct utmpentry *ehead, *ep;
|
||||||
|
(void)getutentries(fname, &ehead);
|
||||||
|
if (show_labels)
|
||||||
|
output_labels();
|
||||||
|
for (ep = ehead; ep != NULL; ep = ep->next)
|
||||||
|
eprint(ep);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
eprint(const struct utmpentry *ep)
|
||||||
|
{
|
||||||
|
print(ep->name, ep->line, (time_t)ep->tv.tv_sec, ep->host, ep->pid,
|
||||||
|
ep->term, ep->exit, ep->sess, ep->type);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
print(const char *name, const char *line, time_t t, const char *host,
|
||||||
|
pid_t pid, uint16_t term, uint16_t xit, uint16_t sess, uint16_t type)
|
||||||
|
{
|
||||||
|
struct stat sb;
|
||||||
|
char state;
|
||||||
|
static time_t now = 0;
|
||||||
|
time_t idle;
|
||||||
|
const char *types = NULL;
|
||||||
|
size_t i;
|
||||||
|
|
||||||
|
state = '?';
|
||||||
|
idle = 0;
|
||||||
|
|
||||||
|
for (i = 0; ut_type_names[i].type >= 0; i++) {
|
||||||
|
types = ut_type_names[i].name;
|
||||||
|
if (ut_type_names[i].type == type)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (show_term || show_idle) {
|
||||||
|
if (now == 0)
|
||||||
|
time(&now);
|
||||||
|
|
||||||
|
if (stat(line, &sb) == 0) {
|
||||||
|
state = (sb.st_mode & 020) ? '+' : '-';
|
||||||
|
idle = now - sb.st_atime;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
(void)printf("%-*.*s ", maxname, maxname, name);
|
||||||
|
|
||||||
|
if (show_term)
|
||||||
|
(void)printf("%c ", state);
|
||||||
|
|
||||||
|
(void)printf("%-*.*s ", maxline, maxline, line);
|
||||||
|
(void)printf("%.12s ", ctime(&t) + 4);
|
||||||
|
|
||||||
|
if (show_idle) {
|
||||||
|
if (idle < 60)
|
||||||
|
(void)printf(" . ");
|
||||||
|
else if (idle < (24 * 60 * 60))
|
||||||
|
(void)printf("%02ld:%02ld ",
|
||||||
|
(long)(idle / (60 * 60)),
|
||||||
|
(long)(idle % (60 * 60)) / 60);
|
||||||
|
else
|
||||||
|
(void)printf(" old ");
|
||||||
|
|
||||||
|
(void)printf("\t%6d", pid);
|
||||||
|
|
||||||
|
if (show_details) {
|
||||||
|
if (type == RUN_LVL)
|
||||||
|
(void)printf("\tnew=%c old=%c", term, xit);
|
||||||
|
else
|
||||||
|
(void)printf("\tterm=%d exit=%d", term, xit);
|
||||||
|
(void)printf(" sess=%d", sess);
|
||||||
|
(void)printf(" type=%s ", types);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (*host)
|
||||||
|
(void)printf("\t(%.*s)", maxhost, host);
|
||||||
|
(void)putchar('\n');
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
output_labels(void)
|
||||||
|
{
|
||||||
|
(void)printf("%-*.*s ", maxname, maxname, "USER");
|
||||||
|
|
||||||
|
if (show_term)
|
||||||
|
(void)printf("S ");
|
||||||
|
|
||||||
|
(void)printf("%-*.*s ", maxline, maxline, "LINE");
|
||||||
|
(void)printf("WHEN ");
|
||||||
|
|
||||||
|
if (show_idle) {
|
||||||
|
(void)printf("IDLE ");
|
||||||
|
(void)printf("\t PID");
|
||||||
|
|
||||||
|
(void)printf("\tCOMMENT");
|
||||||
|
}
|
||||||
|
|
||||||
|
(void)putchar('\n');
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
quick(const char *fname)
|
||||||
|
{
|
||||||
|
struct utmpentry *ehead, *ep;
|
||||||
|
int num = 0;
|
||||||
|
|
||||||
|
(void)getutentries(fname, &ehead);
|
||||||
|
for (ep = ehead; ep != NULL; ep = ep->next) {
|
||||||
|
(void)printf("%-*s ", maxname, ep->name);
|
||||||
|
if ((++num % 8) == 0)
|
||||||
|
(void)putchar('\n');
|
||||||
|
}
|
||||||
|
if (num % 8)
|
||||||
|
(void)putchar('\n');
|
||||||
|
|
||||||
|
(void)printf("# users = %d\n", num);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
usage(void)
|
||||||
|
{
|
||||||
|
(void)fprintf(stderr, "Usage: %s [-abdHlmqrsTtuv] [file]\n\t%s am i\n",
|
||||||
|
getprogname(), getprogname());
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
Loading…
Reference in a new issue