1994-05-26 06:18:55 +00:00
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/*-
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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2002-02-03 14:43:04 +00:00
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static const char copyright[] =
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1994-05-26 06:18:55 +00:00
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"@(#) Copyright (c) 1990, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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1998-05-15 06:30:58 +00:00
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#if 0
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2002-02-03 14:43:04 +00:00
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|
#ifndef lint
|
1998-05-15 06:30:58 +00:00
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static char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94";
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1994-05-26 06:18:55 +00:00
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#endif /* not lint */
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2002-02-03 14:43:04 +00:00
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|
#endif
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2003-02-05 13:18:17 +00:00
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|
2002-06-30 05:15:05 +00:00
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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1994-05-26 06:18:55 +00:00
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#include <sys/param.h>
|
1994-10-02 08:33:31 +00:00
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#include <sys/user.h>
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1994-05-26 06:18:55 +00:00
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/sysctl.h>
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#include <ctype.h>
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|
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#include <err.h>
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#include <fcntl.h>
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|
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#include <kvm.h>
|
1996-01-20 10:43:54 +00:00
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#include <limits.h>
|
2001-03-02 23:53:36 +00:00
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#include <locale.h>
|
1994-05-26 06:18:55 +00:00
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#include <paths.h>
|
2002-02-03 14:43:04 +00:00
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#include <pwd.h>
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1994-05-26 06:18:55 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "ps.h"
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2000-09-26 01:03:16 +00:00
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#define SEP ", \t" /* username separators */
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2002-02-03 14:43:04 +00:00
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static KINFO *kinfo;
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struct varent *vhead;
|
1994-05-26 06:18:55 +00:00
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int eval; /* exit value */
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1996-10-21 07:30:26 +00:00
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int cflag; /* -c */
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1994-05-26 06:18:55 +00:00
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int rawcpu; /* -C */
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int sumrusage; /* -S */
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int termwidth; /* width of screen (0 == infinity) */
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int totwidth; /* calculated width of requested variables */
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|
2002-06-06 21:21:25 +00:00
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time_t now; /* current time(3) value */
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|
1994-05-26 06:18:55 +00:00
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static int needuser, needcomm, needenv;
|
1997-12-05 07:33:40 +00:00
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|
|
#if defined(LAZY_PS)
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|
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static int forceuread=0;
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#else
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|
|
static int forceuread=1;
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|
|
#endif
|
1994-05-26 06:18:55 +00:00
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|
|
2002-02-03 14:43:04 +00:00
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|
|
static enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT;
|
1994-05-26 06:18:55 +00:00
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|
2002-02-03 14:43:04 +00:00
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|
static const char *fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int),
|
2002-02-02 06:48:10 +00:00
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KINFO *, char *, int);
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static char *kludge_oldps_options(char *);
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static int pscomp(const void *, const void *);
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static void saveuser(KINFO *);
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static void scanvars(void);
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|
static void dynsizevars(KINFO *);
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|
static void sizevars(void);
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|
|
static void usage(void);
|
2000-09-26 01:03:16 +00:00
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|
static uid_t *getuids(const char *, int *);
|
1994-05-26 06:18:55 +00:00
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|
2002-06-05 17:31:44 +00:00
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static char dfmt[] = "pid,tt,state,time,command";
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static char jfmt[] = "user,pid,ppid,pgid,jobc,state,tt,time,command";
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|
static char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state,tt,time,command";
|
2002-02-03 14:43:04 +00:00
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|
|
static char o1[] = "pid";
|
2002-06-05 17:31:44 +00:00
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|
static char o2[] = "tt,state,time,command";
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|
static char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command";
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|
|
static char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz,%cpu,%mem,command";
|
2002-10-24 00:00:57 +00:00
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|
|
static char Zfmt[] = "label";
|
1994-05-26 06:18:55 +00:00
|
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|
|
2002-02-03 14:43:04 +00:00
|
|
|
static kvm_t *kd;
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2002-06-20 14:55:53 +00:00
|
|
|
#if defined(LAZY_PS)
|
2003-06-12 16:53:55 +00:00
|
|
|
#define PS_ARGS "aCcefgHhjLlM:mN:O:o:p:rSTt:U:uvwxZ"
|
2002-06-20 14:55:53 +00:00
|
|
|
#else
|
2003-06-12 16:53:55 +00:00
|
|
|
#define PS_ARGS "aCcegHhjLlM:mN:O:o:p:rSTt:U:uvwxZ"
|
2002-06-20 14:55:53 +00:00
|
|
|
#endif
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
int
|
2002-02-02 06:48:10 +00:00
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|
main(int argc, char *argv[])
|
1994-05-26 06:18:55 +00:00
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|
|
{
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|
|
struct kinfo_proc *kp;
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|
|
struct varent *vent;
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|
|
struct winsize ws;
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|
dev_t ttydev;
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|
pid_t pid;
|
2000-09-26 01:03:16 +00:00
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|
|
uid_t *uids;
|
2002-06-20 14:55:53 +00:00
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|
int all, ch, flag, i, _fmt, lineno, nentries, nocludge, dropgid;
|
2003-06-12 16:53:55 +00:00
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|
|
int prtheader, wflag, what, xflg, uid, nuids, showthreads;
|
2002-06-04 10:20:10 +00:00
|
|
|
char *cols;
|
2002-02-03 14:43:04 +00:00
|
|
|
char errbuf[_POSIX2_LINE_MAX];
|
2002-06-20 14:55:53 +00:00
|
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|
const char *cp, *nlistf, *memf;
|
1994-05-26 06:18:55 +00:00
|
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|
|
1995-10-26 10:57:52 +00:00
|
|
|
(void) setlocale(LC_ALL, "");
|
2002-06-06 21:21:25 +00:00
|
|
|
/* Set the time to what it is right now. */
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|
time(&now);
|
1995-10-26 10:57:52 +00:00
|
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|
2002-06-04 10:20:10 +00:00
|
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|
if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0')
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|
termwidth = atoi(cols);
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|
else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 &&
|
1994-05-26 06:18:55 +00:00
|
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|
ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 &&
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|
ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) ||
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|
ws.ws_col == 0)
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|
termwidth = 79;
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|
else
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|
termwidth = ws.ws_col - 1;
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|
|
|
2002-06-20 14:55:53 +00:00
|
|
|
/*
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|
|
* Don't apply a kludge if the first argument is an option taking an
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|
* argument
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|
*/
|
|
|
|
if (argc > 1) {
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|
|
nocludge = 0;
|
|
|
|
if (argv[1][0] == '-') {
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|
|
for (cp = PS_ARGS; *cp != '\0'; cp++) {
|
|
|
|
if (*cp != ':')
|
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|
|
continue;
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|
|
|
if (*(cp - 1) == argv[1][1]) {
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|
nocludge = 1;
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|
break;
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|
|
}
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|
|
}
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|
|
}
|
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|
|
if (nocludge == 0)
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|
|
argv[1] = kludge_oldps_options(argv[1]);
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|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2002-02-03 14:43:04 +00:00
|
|
|
all = _fmt = prtheader = wflag = xflg = 0;
|
1994-05-26 06:18:55 +00:00
|
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|
pid = -1;
|
2000-09-26 01:03:16 +00:00
|
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|
nuids = 0;
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|
|
uids = NULL;
|
1994-05-26 06:18:55 +00:00
|
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|
ttydev = NODEV;
|
1998-06-30 21:34:14 +00:00
|
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|
dropgid = 0;
|
2002-01-28 09:43:26 +00:00
|
|
|
memf = nlistf = _PATH_DEVNULL;
|
2003-06-12 16:53:55 +00:00
|
|
|
showthreads = 0;
|
2002-06-20 14:55:53 +00:00
|
|
|
while ((ch = getopt(argc, argv, PS_ARGS)) != -1)
|
1994-05-26 06:18:55 +00:00
|
|
|
switch((char)ch) {
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|
case 'a':
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|
all = 1;
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|
break;
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|
|
case 'C':
|
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|
|
rawcpu = 1;
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|
break;
|
1996-10-21 07:30:26 +00:00
|
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|
case 'c':
|
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|
|
cflag = 1;
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|
break;
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|
|
case 'e': /* XXX set ufmt */
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|
|
needenv = 1;
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|
|
break;
|
1994-05-26 06:18:55 +00:00
|
|
|
case 'g':
|
|
|
|
break; /* no-op */
|
2003-06-12 16:53:55 +00:00
|
|
|
case 'H':
|
2004-02-22 17:59:31 +00:00
|
|
|
showthreads = KERN_PROC_INC_THREAD;
|
2003-06-12 16:53:55 +00:00
|
|
|
break;
|
1994-05-26 06:18:55 +00:00
|
|
|
case 'h':
|
|
|
|
prtheader = ws.ws_row > 5 ? ws.ws_row : 22;
|
|
|
|
break;
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|
|
|
case 'j':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(jfmt, 0);
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
jfmt[0] = '\0';
|
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|
|
break;
|
|
|
|
case 'L':
|
|
|
|
showkey();
|
|
|
|
exit(0);
|
|
|
|
case 'l':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(lfmt, 0);
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
lfmt[0] = '\0';
|
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|
|
break;
|
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|
|
case 'M':
|
|
|
|
memf = optarg;
|
1998-06-30 21:34:14 +00:00
|
|
|
dropgid = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
break;
|
|
|
|
case 'm':
|
|
|
|
sortby = SORTMEM;
|
|
|
|
break;
|
|
|
|
case 'N':
|
|
|
|
nlistf = optarg;
|
1998-06-30 21:34:14 +00:00
|
|
|
dropgid = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
break;
|
|
|
|
case 'O':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(o1, 1);
|
|
|
|
parsefmt(optarg, 1);
|
|
|
|
parsefmt(o2, 1);
|
1994-05-26 06:18:55 +00:00
|
|
|
o1[0] = o2[0] = '\0';
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
break;
|
|
|
|
case 'o':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(optarg, 1);
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
break;
|
1997-12-05 07:33:40 +00:00
|
|
|
#if defined(LAZY_PS)
|
|
|
|
case 'f':
|
|
|
|
if (getuid() == 0 || getgid() == 0)
|
|
|
|
forceuread = 1;
|
|
|
|
break;
|
|
|
|
#endif
|
1994-05-26 06:18:55 +00:00
|
|
|
case 'p':
|
|
|
|
pid = atol(optarg);
|
|
|
|
xflg = 1;
|
|
|
|
break;
|
|
|
|
case 'r':
|
|
|
|
sortby = SORTCPU;
|
|
|
|
break;
|
|
|
|
case 'S':
|
|
|
|
sumrusage = 1;
|
|
|
|
break;
|
|
|
|
case 'T':
|
|
|
|
if ((optarg = ttyname(STDIN_FILENO)) == NULL)
|
|
|
|
errx(1, "stdin: not a terminal");
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case 't': {
|
|
|
|
struct stat sb;
|
2001-05-30 03:27:07 +00:00
|
|
|
char *ttypath, pathbuf[PATH_MAX];
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
if (strcmp(optarg, "co") == 0)
|
2002-02-03 14:43:04 +00:00
|
|
|
ttypath = strdup(_PATH_CONSOLE);
|
1994-05-26 06:18:55 +00:00
|
|
|
else if (*optarg != '/')
|
|
|
|
(void)snprintf(ttypath = pathbuf,
|
|
|
|
sizeof(pathbuf), "%s%s", _PATH_TTY, optarg);
|
|
|
|
else
|
|
|
|
ttypath = optarg;
|
|
|
|
if (stat(ttypath, &sb) == -1)
|
|
|
|
err(1, "%s", ttypath);
|
|
|
|
if (!S_ISCHR(sb.st_mode))
|
|
|
|
errx(1, "%s: not a terminal", ttypath);
|
|
|
|
ttydev = sb.st_rdev;
|
|
|
|
break;
|
|
|
|
}
|
1995-12-26 03:38:55 +00:00
|
|
|
case 'U':
|
2000-09-26 01:03:16 +00:00
|
|
|
uids = getuids(optarg, &nuids);
|
1995-12-26 03:38:55 +00:00
|
|
|
xflg++; /* XXX: intuitive? */
|
|
|
|
break;
|
1994-05-26 06:18:55 +00:00
|
|
|
case 'u':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(ufmt, 0);
|
1994-05-26 06:18:55 +00:00
|
|
|
sortby = SORTCPU;
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
ufmt[0] = '\0';
|
|
|
|
break;
|
|
|
|
case 'v':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(vfmt, 0);
|
1994-05-26 06:18:55 +00:00
|
|
|
sortby = SORTMEM;
|
2002-02-03 14:43:04 +00:00
|
|
|
_fmt = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
vfmt[0] = '\0';
|
|
|
|
break;
|
|
|
|
case 'w':
|
|
|
|
if (wflag)
|
|
|
|
termwidth = UNLIMITED;
|
|
|
|
else if (termwidth < 131)
|
|
|
|
termwidth = 131;
|
|
|
|
wflag++;
|
|
|
|
break;
|
|
|
|
case 'x':
|
|
|
|
xflg = 1;
|
|
|
|
break;
|
2001-11-26 22:21:15 +00:00
|
|
|
case 'Z':
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(Zfmt, 0);
|
2001-11-26 22:21:15 +00:00
|
|
|
Zfmt[0] = '\0';
|
|
|
|
break;
|
1994-05-26 06:18:55 +00:00
|
|
|
case '?':
|
|
|
|
default:
|
|
|
|
usage();
|
|
|
|
}
|
|
|
|
argc -= optind;
|
|
|
|
argv += optind;
|
|
|
|
|
|
|
|
#define BACKWARD_COMPATIBILITY
|
|
|
|
#ifdef BACKWARD_COMPATIBILITY
|
|
|
|
if (*argv) {
|
|
|
|
nlistf = *argv;
|
|
|
|
if (*++argv) {
|
|
|
|
memf = *argv;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
* Discard setgid privileges if not the running kernel so that bad
|
|
|
|
* guys can't print interesting stuff from kernel memory.
|
|
|
|
*/
|
1998-06-30 21:34:14 +00:00
|
|
|
if (dropgid) {
|
1994-05-26 06:18:55 +00:00
|
|
|
setgid(getgid());
|
1998-06-30 21:34:14 +00:00
|
|
|
setuid(getuid());
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2002-01-28 09:43:26 +00:00
|
|
|
kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
|
1994-05-26 06:18:55 +00:00
|
|
|
if (kd == 0)
|
|
|
|
errx(1, "%s", errbuf);
|
|
|
|
|
2002-02-03 14:43:04 +00:00
|
|
|
if (!_fmt)
|
2003-01-19 00:22:34 +00:00
|
|
|
parsefmt(dfmt, 0);
|
1994-05-26 06:18:55 +00:00
|
|
|
|
1995-12-26 03:38:55 +00:00
|
|
|
/* XXX - should be cleaner */
|
2000-09-26 01:03:16 +00:00
|
|
|
if (!all && ttydev == NODEV && pid == -1 && !nuids) {
|
|
|
|
if ((uids = malloc(sizeof (*uids))) == NULL)
|
2002-06-05 18:11:25 +00:00
|
|
|
errx(1, "malloc failed");
|
2000-09-26 01:03:16 +00:00
|
|
|
nuids = 1;
|
|
|
|
*uids = getuid();
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* scan requested variables, noting what structures are needed,
|
1999-11-15 03:37:57 +00:00
|
|
|
* and adjusting header widths as appropriate.
|
1994-05-26 06:18:55 +00:00
|
|
|
*/
|
|
|
|
scanvars();
|
|
|
|
/*
|
|
|
|
* get proc list
|
|
|
|
*/
|
2000-09-26 01:03:16 +00:00
|
|
|
if (nuids == 1) {
|
2004-02-22 17:59:31 +00:00
|
|
|
what = KERN_PROC_UID | showthreads;
|
2000-09-26 01:03:16 +00:00
|
|
|
flag = *uids;
|
1994-05-26 06:18:55 +00:00
|
|
|
} else if (ttydev != NODEV) {
|
2004-02-22 17:59:31 +00:00
|
|
|
what = KERN_PROC_TTY | showthreads;
|
1994-05-26 06:18:55 +00:00
|
|
|
flag = ttydev;
|
|
|
|
} else if (pid != -1) {
|
2004-02-22 17:59:31 +00:00
|
|
|
what = KERN_PROC_PID | showthreads;
|
1994-05-26 06:18:55 +00:00
|
|
|
flag = pid;
|
2003-06-12 16:53:55 +00:00
|
|
|
} else {
|
2004-02-22 17:59:31 +00:00
|
|
|
what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC;
|
2003-06-12 16:53:55 +00:00
|
|
|
flag = 0;
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
2004-02-22 17:59:31 +00:00
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* select procs
|
|
|
|
*/
|
2001-08-24 09:53:26 +00:00
|
|
|
if ((kp = kvm_getprocs(kd, what, flag, &nentries)) == 0 || nentries < 0)
|
1994-05-26 06:18:55 +00:00
|
|
|
errx(1, "%s", kvm_geterr(kd));
|
|
|
|
if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL)
|
2002-06-05 18:11:25 +00:00
|
|
|
errx(1, "malloc failed");
|
1994-05-26 06:18:55 +00:00
|
|
|
for (i = nentries; --i >= 0; ++kp) {
|
|
|
|
kinfo[i].ki_p = kp;
|
|
|
|
if (needuser)
|
|
|
|
saveuser(&kinfo[i]);
|
1997-04-29 05:26:05 +00:00
|
|
|
dynsizevars(&kinfo[i]);
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
1997-04-29 05:26:05 +00:00
|
|
|
|
|
|
|
sizevars();
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* print header
|
|
|
|
*/
|
|
|
|
printheader();
|
|
|
|
if (nentries == 0)
|
2000-07-08 05:13:10 +00:00
|
|
|
exit(1);
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* sort proc list
|
|
|
|
*/
|
|
|
|
qsort(kinfo, nentries, sizeof(KINFO), pscomp);
|
|
|
|
/*
|
|
|
|
* for each proc, call each variable output function.
|
|
|
|
*/
|
|
|
|
for (i = lineno = 0; i < nentries; i++) {
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
if (xflg == 0 && ((&kinfo[i])->ki_p->ki_tdev == NODEV ||
|
|
|
|
((&kinfo[i])->ki_p->ki_flag & P_CONTROLT ) == 0))
|
1994-05-26 06:18:55 +00:00
|
|
|
continue;
|
2000-09-26 01:03:16 +00:00
|
|
|
if (nuids > 1) {
|
|
|
|
for (uid = 0; uid < nuids; uid++)
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
if ((&kinfo[i])->ki_p->ki_uid == uids[uid])
|
2000-09-26 01:03:16 +00:00
|
|
|
break;
|
|
|
|
if (uid == nuids)
|
|
|
|
continue;
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
for (vent = vhead; vent; vent = vent->next) {
|
|
|
|
(vent->var->oproc)(&kinfo[i], vent);
|
|
|
|
if (vent->next != NULL)
|
|
|
|
(void)putchar(' ');
|
|
|
|
}
|
|
|
|
(void)putchar('\n');
|
|
|
|
if (prtheader && lineno++ == prtheader - 4) {
|
|
|
|
(void)putchar('\n');
|
|
|
|
printheader();
|
|
|
|
lineno = 0;
|
|
|
|
}
|
|
|
|
}
|
2000-09-26 01:03:16 +00:00
|
|
|
free(uids);
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
exit(eval);
|
|
|
|
}
|
|
|
|
|
2000-09-26 01:03:16 +00:00
|
|
|
uid_t *
|
|
|
|
getuids(const char *arg, int *nuids)
|
|
|
|
{
|
2002-07-08 09:08:51 +00:00
|
|
|
char name[MAXLOGNAME];
|
2000-09-26 01:03:16 +00:00
|
|
|
struct passwd *pwd;
|
|
|
|
uid_t *uids, *moreuids;
|
2002-02-03 14:43:04 +00:00
|
|
|
int alloc;
|
|
|
|
size_t l;
|
2000-09-26 01:03:16 +00:00
|
|
|
|
|
|
|
|
|
|
|
alloc = 0;
|
|
|
|
*nuids = 0;
|
|
|
|
uids = NULL;
|
|
|
|
for (; (l = strcspn(arg, SEP)) > 0; arg += l + strspn(arg + l, SEP)) {
|
|
|
|
if (l >= sizeof name) {
|
2002-02-03 14:43:04 +00:00
|
|
|
warnx("%.*s: name too long", (int)l, arg);
|
2000-09-26 01:03:16 +00:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
strncpy(name, arg, l);
|
|
|
|
name[l] = '\0';
|
|
|
|
if ((pwd = getpwnam(name)) == NULL) {
|
|
|
|
warnx("%s: no such user", name);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (*nuids >= alloc) {
|
|
|
|
alloc = (alloc + 1) << 1;
|
|
|
|
moreuids = realloc(uids, alloc * sizeof (*uids));
|
|
|
|
if (moreuids == NULL) {
|
|
|
|
free(uids);
|
2002-06-05 18:11:25 +00:00
|
|
|
errx(1, "realloc failed");
|
2000-09-26 01:03:16 +00:00
|
|
|
}
|
|
|
|
uids = moreuids;
|
|
|
|
}
|
|
|
|
uids[(*nuids)++] = pwd->pw_uid;
|
|
|
|
}
|
|
|
|
endpwent();
|
|
|
|
|
|
|
|
if (!*nuids)
|
|
|
|
errx(1, "No users specified");
|
|
|
|
|
|
|
|
return uids;
|
|
|
|
}
|
|
|
|
|
2003-01-19 00:22:34 +00:00
|
|
|
VARENT *
|
|
|
|
find_varentry(VAR *v)
|
|
|
|
{
|
|
|
|
struct varent *vent;
|
|
|
|
|
|
|
|
for (vent = vhead; vent; vent = vent->next) {
|
|
|
|
if (strcmp(vent->var->name, v->name) == 0)
|
|
|
|
return vent;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
scanvars(void)
|
1997-04-29 05:26:05 +00:00
|
|
|
{
|
|
|
|
struct varent *vent;
|
|
|
|
VAR *v;
|
|
|
|
|
|
|
|
for (vent = vhead; vent; vent = vent->next) {
|
|
|
|
v = vent->var;
|
|
|
|
if (v->flag & DSIZ) {
|
|
|
|
v->dwidth = v->width;
|
|
|
|
v->width = 0;
|
|
|
|
}
|
|
|
|
if (v->flag & USER)
|
|
|
|
needuser = 1;
|
|
|
|
if (v->flag & COMM)
|
|
|
|
needcomm = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
dynsizevars(KINFO *ki)
|
1997-04-29 05:26:05 +00:00
|
|
|
{
|
|
|
|
struct varent *vent;
|
|
|
|
VAR *v;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (vent = vhead; vent; vent = vent->next) {
|
|
|
|
v = vent->var;
|
|
|
|
if (!(v->flag & DSIZ))
|
|
|
|
continue;
|
|
|
|
i = (v->sproc)( ki);
|
|
|
|
if (v->width < i)
|
|
|
|
v->width = i;
|
|
|
|
if (v->width > v->dwidth)
|
|
|
|
v->width = v->dwidth;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
sizevars(void)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
struct varent *vent;
|
|
|
|
VAR *v;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (vent = vhead; vent; vent = vent->next) {
|
|
|
|
v = vent->var;
|
2003-01-19 00:31:16 +00:00
|
|
|
i = strlen(vent->header);
|
1994-05-26 06:18:55 +00:00
|
|
|
if (v->width < i)
|
|
|
|
v->width = i;
|
|
|
|
totwidth += v->width + 1; /* +1 for space */
|
|
|
|
}
|
|
|
|
totwidth--;
|
|
|
|
}
|
|
|
|
|
2002-02-03 14:43:04 +00:00
|
|
|
static const char *
|
2002-02-02 06:48:10 +00:00
|
|
|
fmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki,
|
|
|
|
char *comm, int maxlen)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
2002-02-03 14:43:04 +00:00
|
|
|
const char *s;
|
1994-05-26 06:18:55 +00:00
|
|
|
|
2002-02-03 14:43:04 +00:00
|
|
|
s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, maxlen);
|
1994-05-26 06:18:55 +00:00
|
|
|
return (s);
|
|
|
|
}
|
|
|
|
|
2001-01-24 12:59:50 +00:00
|
|
|
#define UREADOK(ki) (forceuread || (ki->ki_p->ki_sflag & PS_INMEM))
|
1997-12-05 07:33:40 +00:00
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
saveuser(KINFO *ki)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
|
2001-01-24 12:59:50 +00:00
|
|
|
if (ki->ki_p->ki_sflag & PS_INMEM) {
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* The u-area might be swapped out, and we can't get
|
|
|
|
* at it because we have a crashdump and no swap.
|
|
|
|
* If it's here fill in these fields, otherwise, just
|
|
|
|
* leave them 0.
|
|
|
|
*/
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
ki->ki_valid = 1;
|
1994-05-26 06:18:55 +00:00
|
|
|
} else
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
ki->ki_valid = 0;
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* save arguments if needed
|
|
|
|
*/
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
if (needcomm && (UREADOK(ki) || (ki->ki_p->ki_args != NULL))) {
|
2002-02-03 14:43:04 +00:00
|
|
|
ki->ki_args = strdup(fmt(kvm_getargv, ki, ki->ki_p->ki_comm,
|
|
|
|
MAXCOMLEN));
|
1997-12-05 07:33:40 +00:00
|
|
|
} else if (needcomm) {
|
2002-02-03 14:43:04 +00:00
|
|
|
asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm);
|
1999-11-17 12:52:42 +00:00
|
|
|
} else {
|
|
|
|
ki->ki_args = NULL;
|
|
|
|
}
|
|
|
|
if (needenv && UREADOK(ki)) {
|
2002-02-03 14:43:04 +00:00
|
|
|
ki->ki_env = strdup(fmt(kvm_getenvv, ki, (char *)NULL, 0));
|
1999-11-17 12:52:42 +00:00
|
|
|
} else if (needenv) {
|
|
|
|
ki->ki_env = malloc(3);
|
|
|
|
strcpy(ki->ki_env, "()");
|
|
|
|
} else {
|
|
|
|
ki->ki_env = NULL;
|
|
|
|
}
|
1994-05-26 06:18:55 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2002-02-02 06:48:10 +00:00
|
|
|
pscomp(const void *a, const void *b)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
int i;
|
Change the proc information returned from the kernel so that it
no longer contains kernel specific data structures, but rather
only scalar values and structures that are already part of the
kernel/user interface, specifically rusage and rtprio. It no
longer contains proc, session, pcred, ucred, procsig, vmspace,
pstats, mtx, sigiolst, klist, callout, pasleep, or mdproc. If
any of these changed in size, ps, w, fstat, gcore, systat, and
top would all stop working. The new structure has over 200 bytes
of unassigned space for future values to be added, yet is nearly
100 bytes smaller per entry than the structure that it replaced.
2000-12-12 07:25:57 +00:00
|
|
|
#define VSIZE(k) ((k)->ki_p->ki_dsize + (k)->ki_p->ki_ssize + \
|
|
|
|
(k)->ki_p->ki_tsize)
|
1994-05-26 06:18:55 +00:00
|
|
|
|
|
|
|
if (sortby == SORTCPU)
|
2002-02-03 14:43:04 +00:00
|
|
|
return (getpcpu((const KINFO *)b) - getpcpu((const KINFO *)a));
|
1994-05-26 06:18:55 +00:00
|
|
|
if (sortby == SORTMEM)
|
2002-02-03 14:43:04 +00:00
|
|
|
return (VSIZE((const KINFO *)b) - VSIZE((const KINFO *)a));
|
|
|
|
i = (int)((const KINFO *)a)->ki_p->ki_tdev - (int)((const KINFO *)b)->ki_p->ki_tdev;
|
1994-05-26 06:18:55 +00:00
|
|
|
if (i == 0)
|
2002-02-03 14:43:04 +00:00
|
|
|
i = ((const KINFO *)a)->ki_p->ki_pid - ((const KINFO *)b)->ki_p->ki_pid;
|
1994-05-26 06:18:55 +00:00
|
|
|
return (i);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* ICK (all for getopt), would rather hide the ugliness
|
|
|
|
* here than taint the main code.
|
|
|
|
*
|
|
|
|
* ps foo -> ps -foo
|
|
|
|
* ps 34 -> ps -p34
|
|
|
|
*
|
|
|
|
* The old convention that 't' with no trailing tty arg means the users
|
|
|
|
* tty, is only supported if argv[1] doesn't begin with a '-'. This same
|
|
|
|
* feature is available with the option 'T', which takes no argument.
|
|
|
|
*/
|
|
|
|
static char *
|
2002-02-02 06:48:10 +00:00
|
|
|
kludge_oldps_options(char *s)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
2002-09-03 05:44:00 +00:00
|
|
|
int have_fmt;
|
1994-05-26 06:18:55 +00:00
|
|
|
size_t len;
|
|
|
|
char *newopts, *ns, *cp;
|
|
|
|
|
2002-09-03 05:44:00 +00:00
|
|
|
/*
|
|
|
|
* If we have an 'o' option, then note it, since we don't want to do
|
|
|
|
* some types of munging.
|
|
|
|
*/
|
|
|
|
have_fmt = index(s, 'o') != NULL;
|
|
|
|
|
1994-05-26 06:18:55 +00:00
|
|
|
len = strlen(s);
|
|
|
|
if ((newopts = ns = malloc(len + 2)) == NULL)
|
2002-06-05 18:11:25 +00:00
|
|
|
errx(1, "malloc failed");
|
1994-05-26 06:18:55 +00:00
|
|
|
/*
|
|
|
|
* options begin with '-'
|
|
|
|
*/
|
|
|
|
if (*s != '-')
|
|
|
|
*ns++ = '-'; /* add option flag */
|
|
|
|
/*
|
|
|
|
* gaze to end of argv[1]
|
|
|
|
*/
|
|
|
|
cp = s + len - 1;
|
|
|
|
/*
|
|
|
|
* if last letter is a 't' flag with no argument (in the context
|
|
|
|
* of the oldps options -- option string NOT starting with a '-' --
|
|
|
|
* then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)).
|
2001-08-16 02:41:42 +00:00
|
|
|
*
|
|
|
|
* However, if a flag accepting a string argument is found in the
|
|
|
|
* option string, the remainder of the string is the argument to
|
|
|
|
* that flag; do not modify that argument.
|
1994-05-26 06:18:55 +00:00
|
|
|
*/
|
2002-01-28 09:43:26 +00:00
|
|
|
if (strcspn(s, "MNOoU") == len && *cp == 't' && *s != '-')
|
1994-05-26 06:18:55 +00:00
|
|
|
*cp = 'T';
|
|
|
|
else {
|
|
|
|
/*
|
|
|
|
* otherwise check for trailing number, which *may* be a
|
|
|
|
* pid.
|
|
|
|
*/
|
|
|
|
while (cp >= s && isdigit(*cp))
|
|
|
|
--cp;
|
|
|
|
}
|
|
|
|
cp++;
|
|
|
|
memmove(ns, s, (size_t)(cp - s)); /* copy up to trailing number */
|
|
|
|
ns += cp - s;
|
|
|
|
/*
|
|
|
|
* if there's a trailing number, and not a preceding 'p' (pid) or
|
|
|
|
* 't' (tty) flag, then assume it's a pid and insert a 'p' flag.
|
|
|
|
*/
|
1995-05-30 00:07:29 +00:00
|
|
|
if (isdigit(*cp) &&
|
1995-03-19 13:29:28 +00:00
|
|
|
(cp == s || (cp[-1] != 't' && cp[-1] != 'p')) &&
|
2002-09-03 05:44:00 +00:00
|
|
|
(cp - 1 == s || cp[-2] != 't') && !have_fmt)
|
1994-05-26 06:18:55 +00:00
|
|
|
*ns++ = 'p';
|
|
|
|
(void)strcpy(ns, cp); /* and append the number */
|
|
|
|
|
|
|
|
return (newopts);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2002-02-02 06:48:10 +00:00
|
|
|
usage(void)
|
1994-05-26 06:18:55 +00:00
|
|
|
{
|
|
|
|
|
1997-06-06 06:40:06 +00:00
|
|
|
(void)fprintf(stderr, "%s\n%s\n%s\n",
|
2003-06-12 16:53:55 +00:00
|
|
|
"usage: ps [-aCHhjlmrSTuvwxZ] [-O|o fmt] [-p pid] [-t tty] [-U user]",
|
2002-01-28 09:43:26 +00:00
|
|
|
" [-M core] [-N system]",
|
1997-06-06 06:40:06 +00:00
|
|
|
" ps [-L]");
|
1994-05-26 06:18:55 +00:00
|
|
|
exit(1);
|
|
|
|
}
|