ps.c revision 129971
193383Smdodd/*- 293383Smdodd * Copyright (c) 1990, 1993, 1994 321826Sjoerg * The Regents of the University of California. All rights reserved. 421826Sjoerg * 521826Sjoerg * Redistribution and use in source and binary forms, with or without 621826Sjoerg * modification, are permitted provided that the following conditions 721826Sjoerg * are met: 821826Sjoerg * 1. Redistributions of source code must retain the above copyright 921826Sjoerg * notice, this list of conditions and the following disclaimer. 1021826Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1121826Sjoerg * notice, this list of conditions and the following disclaimer in the 1221826Sjoerg * documentation and/or other materials provided with the distribution. 1393383Smdodd * 4. Neither the name of the University nor the names of its contributors 1421826Sjoerg * may be used to endorse or promote products derived from this software 1521826Sjoerg * without specific prior written permission. 1621826Sjoerg * 1721826Sjoerg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1821826Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1921826Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2021826Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2121826Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2221826Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2321826Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2421826Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2521826Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2693383Smdodd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2721826Sjoerg * SUCH DAMAGE. 2821826Sjoerg * ------+---------+---------+-------- + --------+---------+---------+---------* 2921826Sjoerg * Copyright (c) 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>. 30119418Sobrien * All rights reserved. 31119418Sobrien * 32119418Sobrien * Significant modifications made to bring `ps' options somewhat closer 3321826Sjoerg * to the standard for `ps' as described in SingleUnixSpec-v3. 3421826Sjoerg * ------+---------+---------+-------- + --------+---------+---------+---------* 3521826Sjoerg */ 3693383Smdodd 3721826Sjoerg#ifndef lint 3821826Sjoergstatic const char copyright[] = 3921826Sjoerg"@(#) Copyright (c) 1990, 1993, 1994\n\ 4021826Sjoerg The Regents of the University of California. All rights reserved.\n"; 4121826Sjoerg#endif /* not lint */ 4221826Sjoerg 4321826Sjoerg#if 0 4421826Sjoerg#ifndef lint 4593383Smdoddstatic char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94"; 4621826Sjoerg#endif /* not lint */ 4721826Sjoerg#endif 4893383Smdodd 4993383Smdodd#include <sys/cdefs.h> 5093383Smdodd__FBSDID("$FreeBSD: head/bin/ps/ps.c 129971 2004-06-01 23:27:11Z gad $"); 5193383Smdodd 5221830Sjoerg#include <sys/param.h> 5321826Sjoerg#include <sys/proc.h> 5421826Sjoerg#include <sys/user.h> 5521826Sjoerg#include <sys/stat.h> 5621826Sjoerg#include <sys/ioctl.h> 5721826Sjoerg#include <sys/sysctl.h> 5821826Sjoerg 5921826Sjoerg#include <ctype.h> 6021826Sjoerg#include <err.h> 6121826Sjoerg#include <errno.h> 6221826Sjoerg#include <fcntl.h> 6321826Sjoerg#include <grp.h> 6421826Sjoerg#include <kvm.h> 6521826Sjoerg#include <limits.h> 66298955Spfg#include <locale.h> 6721826Sjoerg#include <paths.h> 6821826Sjoerg#include <pwd.h> 6921826Sjoerg#include <stdio.h> 7021826Sjoerg#include <stdlib.h> 7121826Sjoerg#include <string.h> 7221826Sjoerg#include <unistd.h> 7321826Sjoerg 7421826Sjoerg#include "ps.h" 7521826Sjoerg 7621826Sjoerg#define W_SEP " \t" /* "Whitespace" list separators */ 7721826Sjoerg#define T_SEP "," /* "Terminate-element" list separators */ 7821826Sjoerg 7921826Sjoerg#ifdef LAZY_PS 8021826Sjoerg#define DEF_UREAD 0 8121826Sjoerg#define OPT_LAZY_f "f" 8221826Sjoerg#else 8393383Smdodd#define DEF_UREAD 1 /* Always do the more-expensive read. */ 8421826Sjoerg#define OPT_LAZY_f /* I.e., the `-f' option is not added. */ 8521826Sjoerg#endif 8621826Sjoerg 8721826Sjoerg/* 8821826Sjoerg * isdigit takes an `int', but expects values in the range of unsigned char. 8921826Sjoerg * This wrapper ensures that values from a 'char' end up in the correct range. 9021826Sjoerg */ 9121826Sjoerg#define isdigitch(Anychar) isdigit((u_char)(Anychar)) 9221826Sjoerg 9321826Sjoergint cflag; /* -c */ 9421826Sjoergint eval; /* Exit value */ 9521826Sjoergtime_t now; /* Current time(3) value */ 9621826Sjoergint rawcpu; /* -C */ 9721826Sjoergint sumrusage; /* -S */ 9821826Sjoergint termwidth; /* Width of the screen (0 == infinity). */ 9921826Sjoergint totwidth; /* Calculated-width of requested variables. */ 10021826Sjoerg 10121826Sjoergstruct varent *vhead; 10221826Sjoerg 10321826Sjoergstatic int forceuread = DEF_UREAD; /* Do extra work to get u-area. */ 10421826Sjoergstatic kvm_t *kd; 10521826Sjoergstatic KINFO *kinfo; 10621826Sjoergstatic int needcomm; /* -o "command" */ 10721826Sjoergstatic int needenv; /* -e */ 10821826Sjoergstatic int needuser; /* -o "user" */ 10921826Sjoergstatic int optfatal; /* Fatal error parsing some list-option. */ 11021826Sjoerg 11121826Sjoergstatic enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 11221826Sjoerg 11321826Sjoergstruct listinfo; 11421826Sjoergtypedef int addelem_rtn(struct listinfo *_inf, const char *_elem); 11521826Sjoerg 11621826Sjoergstruct listinfo { 11721826Sjoerg int count; 11821826Sjoerg int maxcount; 11921826Sjoerg int elemsize; 12021826Sjoerg addelem_rtn *addelem; 12121826Sjoerg const char *lname; 12221826Sjoerg union { 12321826Sjoerg gid_t *gids; 12421826Sjoerg pid_t *pids; 12521826Sjoerg dev_t *ttys; 12621826Sjoerg uid_t *uids; 12721826Sjoerg void *ptr; 12821826Sjoerg } l; 12921826Sjoerg}; 13021826Sjoerg 13121826Sjoergstatic int addelem_gid(struct listinfo *, const char *); 13221826Sjoergstatic int addelem_pid(struct listinfo *, const char *); 13321826Sjoergstatic int addelem_tty(struct listinfo *, const char *); 13421826Sjoergstatic int addelem_uid(struct listinfo *, const char *); 13521826Sjoergstatic void add_list(struct listinfo *, const char *); 13621826Sjoergstatic void dynsizevars(KINFO *); 13721826Sjoergstatic void *expand_list(struct listinfo *); 13821826Sjoergstatic const char * 13921826Sjoerg fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int), 14021826Sjoerg KINFO *, char *, int); 14121826Sjoergstatic void free_list(struct listinfo *); 14221826Sjoergstatic void init_list(struct listinfo *, addelem_rtn, int, const char *); 14321826Sjoergstatic char *kludge_oldps_options(const char *, char *, const char *); 14421826Sjoergstatic int pscomp(const void *, const void *); 14521826Sjoergstatic void saveuser(KINFO *); 14621826Sjoergstatic void scanvars(void); 14721826Sjoergstatic void sizevars(void); 14821826Sjoergstatic void usage(void); 14921826Sjoerg 15021826Sjoergstatic char dfmt[] = "pid,tt,state,time,command"; 15121826Sjoergstatic char jfmt[] = "user,pid,ppid,pgid,sid,jobc,state,tt,time,command"; 15221826Sjoergstatic char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state," 15321826Sjoerg "tt,time,command"; 15421826Sjoergstatic char o1[] = "pid"; 15521826Sjoergstatic char o2[] = "tt,state,time,command"; 15621826Sjoergstatic char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command"; 15721826Sjoergstatic char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz," 15821826Sjoerg "%cpu,%mem,command"; 15921826Sjoergstatic char Zfmt[] = "label"; 16021826Sjoerg 16121826Sjoerg#define PS_ARGS "AaCce" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ" 16221826Sjoerg 16321826Sjoergint 16421826Sjoergmain(int argc, char *argv[]) 16521826Sjoerg{ 16621826Sjoerg struct listinfo gidlist, pgrplist, pidlist; 16721826Sjoerg struct listinfo ruidlist, sesslist, ttylist, uidlist; 16821826Sjoerg struct kinfo_proc *kp; 16921826Sjoerg struct varent *vent; 17021826Sjoerg struct winsize ws; 17121826Sjoerg const char *nlistf, *memf; 17221826Sjoerg char *cols; 17321826Sjoerg int all, ch, dropgid, elem, flag, _fmt, i, lineno; 17421826Sjoerg int nentries, nkept, nselectors; 17521826Sjoerg int prtheader, showthreads, wflag, what, xkeep, xkeep_implied; 17621826Sjoerg char errbuf[_POSIX2_LINE_MAX]; 17721826Sjoerg 17821826Sjoerg (void) setlocale(LC_ALL, ""); 17921826Sjoerg time(&now); /* Used by routines in print.c. */ 18021826Sjoerg 18121826Sjoerg if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18221826Sjoerg termwidth = atoi(cols); 18321826Sjoerg else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 18421826Sjoerg ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 18521826Sjoerg ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 18621826Sjoerg ws.ws_col == 0) 18721826Sjoerg termwidth = 79; 18821826Sjoerg else 18921826Sjoerg termwidth = ws.ws_col - 1; 19021826Sjoerg 19121826Sjoerg /* 19221826Sjoerg * Hide a number of option-processing kludges in a separate routine, 19321826Sjoerg * to support some historical BSD behaviors, such as `ps axu'. 19421826Sjoerg */ 19521826Sjoerg if (argc > 1) 19621826Sjoerg argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]); 19721826Sjoerg 19821826Sjoerg all = dropgid = _fmt = nselectors = optfatal = 0; 19921826Sjoerg prtheader = showthreads = wflag = xkeep_implied = 0; 20021826Sjoerg xkeep = -1; /* Neither -x nor -X. */ 20121826Sjoerg init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 20221826Sjoerg init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 20321826Sjoerg init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 20421826Sjoerg init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 20521826Sjoerg init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 20621826Sjoerg init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 20721826Sjoerg init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 20821826Sjoerg memf = nlistf = _PATH_DEVNULL; 20921826Sjoerg while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 21021826Sjoerg switch ((char)ch) { 21121826Sjoerg case 'A': 21221826Sjoerg /* 21321826Sjoerg * Exactly the same as `-ax'. This has been 21421826Sjoerg * added for compatability with SUSv3, but for 21521826Sjoerg * now it will not be described in the man page. 21621826Sjoerg */ 21721826Sjoerg nselectors++; 21821826Sjoerg all = xkeep = 1; 21921826Sjoerg break; 22093383Smdodd case 'a': 22193383Smdodd nselectors++; 22221826Sjoerg all = 1; 22321826Sjoerg break; 22421826Sjoerg case 'C': 22521826Sjoerg rawcpu = 1; 22621826Sjoerg break; 22721826Sjoerg case 'c': 22821826Sjoerg cflag = 1; 22921826Sjoerg break; 23021826Sjoerg case 'e': /* XXX set ufmt */ 23121826Sjoerg needenv = 1; 23221826Sjoerg break; 23321826Sjoerg#ifdef LAZY_PS 23421826Sjoerg case 'f': 23521826Sjoerg if (getuid() == 0 || getgid() == 0) 23621826Sjoerg forceuread = 1; 23721826Sjoerg break; 23821826Sjoerg#endif 23921826Sjoerg case 'G': 24021826Sjoerg add_list(&gidlist, optarg); 24121826Sjoerg xkeep_implied = 1; 24221826Sjoerg nselectors++; 24321826Sjoerg break; 24421826Sjoerg case 'g': 24521826Sjoerg#if 0 24621826Sjoerg /*- 24721826Sjoerg * XXX - This SUSv3 behavior is still under debate 24821826Sjoerg * since it conflicts with the (undocumented) 24921826Sjoerg * `-g' option. So we skip it for now. 25021826Sjoerg */ 25121826Sjoerg add_list(&pgrplist, optarg); 25221826Sjoerg xkeep_implied = 1; 25321826Sjoerg nselectors++; 25421826Sjoerg break; 25521826Sjoerg#else 25621826Sjoerg /* The historical BSD-ish (from SunOS) behavior. */ 25721826Sjoerg break; /* no-op */ 25821826Sjoerg#endif 25921826Sjoerg case 'H': 26021826Sjoerg showthreads = KERN_PROC_INC_THREAD; 26121826Sjoerg break; 26221826Sjoerg case 'h': 26321826Sjoerg prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 26421826Sjoerg break; 26593383Smdodd case 'j': 26621826Sjoerg parsefmt(jfmt, 0); 26721826Sjoerg _fmt = 1; 26821826Sjoerg jfmt[0] = '\0'; 26921826Sjoerg break; 27021826Sjoerg case 'L': 27121826Sjoerg showkey(); 27221826Sjoerg exit(0); 27393383Smdodd case 'l': 27421826Sjoerg parsefmt(lfmt, 0); 27521826Sjoerg _fmt = 1; 27621826Sjoerg lfmt[0] = '\0'; 27721826Sjoerg break; 27821826Sjoerg case 'M': 27921826Sjoerg memf = optarg; 28021826Sjoerg dropgid = 1; 28121826Sjoerg break; 28221826Sjoerg case 'm': 28321826Sjoerg sortby = SORTMEM; 28421826Sjoerg break; 28521826Sjoerg case 'N': 28621826Sjoerg nlistf = optarg; 28721826Sjoerg dropgid = 1; 28821826Sjoerg break; 28921826Sjoerg case 'O': 29021826Sjoerg parsefmt(o1, 1); 29121826Sjoerg parsefmt(optarg, 1); 29221826Sjoerg parsefmt(o2, 1); 29321826Sjoerg o1[0] = o2[0] = '\0'; 29421826Sjoerg _fmt = 1; 29521826Sjoerg break; 29621826Sjoerg case 'o': 29721826Sjoerg parsefmt(optarg, 1); 29821826Sjoerg _fmt = 1; 29921826Sjoerg break; 30021826Sjoerg case 'p': 30121826Sjoerg add_list(&pidlist, optarg); 30221826Sjoerg /* 30321826Sjoerg * Note: `-p' does not *set* xkeep, but any values 30421826Sjoerg * from pidlist are checked before xkeep is. That 30521826Sjoerg * way they are always matched, even if the user 30621826Sjoerg * specifies `-X'. 30721826Sjoerg */ 30821826Sjoerg nselectors++; 30921826Sjoerg break; 31021826Sjoerg#if 0 31121826Sjoerg case 'R': 31221826Sjoerg /*- 31321826Sjoerg * XXX - This un-standard option is still under 31421826Sjoerg * debate. This is what SUSv3 defines as 31521826Sjoerg * the `-U' option, and while it would be 31621826Sjoerg * nice to have, it could cause even more 31721826Sjoerg * confusion to implement it as `-R'. 31821826Sjoerg */ 31921826Sjoerg add_list(&ruidlist, optarg); 32021826Sjoerg xkeep_implied = 1; 32121826Sjoerg nselectors++; 32221826Sjoerg break; 32321826Sjoerg#endif 32421826Sjoerg case 'r': 32521826Sjoerg sortby = SORTCPU; 32621826Sjoerg break; 32721826Sjoerg case 'S': 32821826Sjoerg sumrusage = 1; 32921826Sjoerg break; 33021826Sjoerg#if 0 33121826Sjoerg case 's': 33221826Sjoerg /*- 33321826Sjoerg * XXX - This non-standard option is still under 33421826Sjoerg * debate. This *is* supported on Solaris, 33521826Sjoerg * Linux, and IRIX, but conflicts with `-s' 33621826Sjoerg * on NetBSD and maybe some older BSD's. 33721826Sjoerg */ 33821826Sjoerg add_list(&sesslist, optarg); 33921826Sjoerg xkeep_implied = 1; 34021826Sjoerg nselectors++; 34121826Sjoerg break; 34221826Sjoerg#endif 34321826Sjoerg case 'T': 34421826Sjoerg if ((optarg = ttyname(STDIN_FILENO)) == NULL) 34521826Sjoerg errx(1, "stdin: not a terminal"); 34621826Sjoerg /* FALLTHROUGH */ 34721826Sjoerg case 't': 34821826Sjoerg add_list(&ttylist, optarg); 34921826Sjoerg xkeep_implied = 1; 35021826Sjoerg nselectors++; 35121826Sjoerg break; 35221826Sjoerg case 'U': 35321826Sjoerg /* This is what SUSv3 defines as the `-u' option. */ 35421826Sjoerg add_list(&uidlist, optarg); 35521826Sjoerg xkeep_implied = 1; 35621826Sjoerg nselectors++; 35721826Sjoerg break; 35821826Sjoerg case 'u': 35921826Sjoerg parsefmt(ufmt, 0); 36021826Sjoerg sortby = SORTCPU; 36121826Sjoerg _fmt = 1; 36221826Sjoerg ufmt[0] = '\0'; 36321826Sjoerg break; 36421826Sjoerg case 'v': 36521826Sjoerg parsefmt(vfmt, 0); 36621826Sjoerg sortby = SORTMEM; 36721826Sjoerg _fmt = 1; 36821826Sjoerg vfmt[0] = '\0'; 36921826Sjoerg break; 37021826Sjoerg case 'w': 37121826Sjoerg if (wflag) 37221826Sjoerg termwidth = UNLIMITED; 37321826Sjoerg else if (termwidth < 131) 37421826Sjoerg termwidth = 131; 37521826Sjoerg wflag++; 37621826Sjoerg break; 37721826Sjoerg case 'X': 37821826Sjoerg /* 37921826Sjoerg * Note that `-X' and `-x' are not standard "selector" 38021826Sjoerg * options. For most selector-options, we check *all* 38121826Sjoerg * processes to see if any are matched by the given 38221826Sjoerg * value(s). After we have a set of all the matched 38321826Sjoerg * processes, then `-X' and `-x' govern whether we 38421826Sjoerg * modify that *matched* set for processes which do 38521826Sjoerg * not have a controlling terminal. `-X' causes 38621826Sjoerg * those processes to be deleted from the matched 38721826Sjoerg * set, while `-x' causes them to be kept. 38821826Sjoerg */ 38921826Sjoerg xkeep = 0; 39021826Sjoerg break; 39121826Sjoerg case 'x': 39221826Sjoerg xkeep = 1; 39321826Sjoerg break; 39421826Sjoerg case 'Z': 39521826Sjoerg parsefmt(Zfmt, 0); 39621826Sjoerg Zfmt[0] = '\0'; 39721826Sjoerg break; 39821826Sjoerg case '?': 39921826Sjoerg default: 40021826Sjoerg usage(); 40121826Sjoerg } 40221826Sjoerg argc -= optind; 40321826Sjoerg argv += optind; 40421826Sjoerg 40521826Sjoerg /* 40621826Sjoerg * If there arguments after processing all the options, attempt 40721826Sjoerg * to treat them as a list of process ids. 40821826Sjoerg */ 40921826Sjoerg while (*argv) { 41021826Sjoerg if (!isdigitch(**argv)) 41121826Sjoerg break; 41221826Sjoerg add_list(&pidlist, *argv); 41321826Sjoerg argv++; 41421826Sjoerg } 41521826Sjoerg if (*argv) { 41621826Sjoerg fprintf(stderr, "%s: illegal argument: %s\n", 41721826Sjoerg getprogname(), *argv); 41821826Sjoerg usage(); 41921826Sjoerg } 42021826Sjoerg if (optfatal) 42121826Sjoerg exit(1); /* Error messages already printed. */ 42221826Sjoerg if (xkeep < 0) /* Neither -X nor -x was specified. */ 42321826Sjoerg xkeep = xkeep_implied; 42421826Sjoerg 42521826Sjoerg 42621826Sjoerg /* 42721826Sjoerg * Discard setgid privileges if not the running kernel so that bad 42821826Sjoerg * guys can't print interesting stuff from kernel memory. 42921826Sjoerg */ 43021826Sjoerg if (dropgid) 43121826Sjoerg setgid(getgid()); 43221826Sjoerg 43321826Sjoerg kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 43421826Sjoerg if (kd == 0) 43521826Sjoerg errx(1, "%s", errbuf); 43621826Sjoerg 43721826Sjoerg if (!_fmt) 43821826Sjoerg parsefmt(dfmt, 0); 43921826Sjoerg 44021826Sjoerg if (nselectors == 0) { 44121826Sjoerg uidlist.l.ptr = malloc(sizeof(uid_t)); 44221826Sjoerg if (uidlist.l.ptr == NULL) 44321826Sjoerg errx(1, "malloc failed"); 44421826Sjoerg nselectors = 1; 44521826Sjoerg uidlist.count = uidlist.maxcount = 1; 44621826Sjoerg *uidlist.l.uids = getuid(); 44793383Smdodd } 44821826Sjoerg 44921826Sjoerg /* 45021826Sjoerg * scan requested variables, noting what structures are needed, 45121826Sjoerg * and adjusting header widths as appropriate. 45221826Sjoerg */ 45321826Sjoerg scanvars(); 45421826Sjoerg 45521826Sjoerg /* 45621826Sjoerg * Get process list. If the user requested just one selector- 45793383Smdodd * option, then kvm_getprocs can be asked to return just those 45821826Sjoerg * processes. Otherwise, have it return all processes, and 45921826Sjoerg * then this routine will search that full list and select the 46021826Sjoerg * processes which match any of the user's selector-options. 46121826Sjoerg */ 46221826Sjoerg what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 46321826Sjoerg flag = 0; 46421826Sjoerg if (nselectors == 1) { 46521826Sjoerg if (gidlist.count == 1) { 46621826Sjoerg what = KERN_PROC_RGID | showthreads; 46721826Sjoerg flag = *gidlist.l.gids; 46821826Sjoerg nselectors = 0; 46921826Sjoerg } else if (pgrplist.count == 1) { 47021826Sjoerg what = KERN_PROC_PGRP | showthreads; 47121826Sjoerg flag = *pgrplist.l.pids; 47221826Sjoerg nselectors = 0; 47321826Sjoerg } else if (pidlist.count == 1) { 47421826Sjoerg what = KERN_PROC_PID | showthreads; 47521826Sjoerg flag = *pidlist.l.pids; 47621826Sjoerg nselectors = 0; 47721826Sjoerg } else if (ruidlist.count == 1) { 47821826Sjoerg what = KERN_PROC_RUID | showthreads; 47921826Sjoerg flag = *ruidlist.l.uids; 48021826Sjoerg nselectors = 0; 48121826Sjoerg } else if (sesslist.count == 1) { 48221826Sjoerg what = KERN_PROC_SESSION | showthreads; 48321826Sjoerg flag = *sesslist.l.pids; 48421826Sjoerg nselectors = 0; 48521826Sjoerg } else if (ttylist.count == 1) { 48621826Sjoerg what = KERN_PROC_TTY | showthreads; 48721826Sjoerg flag = *ttylist.l.ttys; 48821826Sjoerg nselectors = 0; 48921826Sjoerg } else if (uidlist.count == 1) { 49021826Sjoerg what = KERN_PROC_UID | showthreads; 49121826Sjoerg flag = *uidlist.l.uids; 49293383Smdodd nselectors = 0; 49321826Sjoerg } else if (all) { 49421826Sjoerg /* No need for this routine to select processes. */ 49521826Sjoerg nselectors = 0; 49621826Sjoerg } 49721826Sjoerg } 49821826Sjoerg 49993383Smdodd /* 50093383Smdodd * select procs 50193383Smdodd */ 50293383Smdodd nentries = -1; 50393383Smdodd kp = kvm_getprocs(kd, what, flag, &nentries); 50493383Smdodd if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 50521826Sjoerg errx(1, "%s", kvm_geterr(kd)); 50621826Sjoerg nkept = 0; 50721826Sjoerg if (nentries > 0) { 50821826Sjoerg if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 50921826Sjoerg errx(1, "malloc failed"); 51021826Sjoerg for (i = nentries; --i >= 0; ++kp) { 51121826Sjoerg /* 51293383Smdodd * If the user specified multiple selection-criteria, 51321826Sjoerg * then keep any process matched by the inclusive OR 51421826Sjoerg * of all the selection-criteria given. 51521826Sjoerg */ 51621826Sjoerg if (pidlist.count > 0) { 51721826Sjoerg for (elem = 0; elem < pidlist.count; elem++) 51821826Sjoerg if (kp->ki_pid == pidlist.l.pids[elem]) 51921826Sjoerg goto keepit; 52021826Sjoerg } 52121826Sjoerg /* 52221826Sjoerg * Note that we had to process pidlist before 52321826Sjoerg * filtering out processes which do not have 52421826Sjoerg * a controlling terminal. 52521826Sjoerg */ 52621826Sjoerg if (xkeep == 0) { 52721826Sjoerg if ((kp->ki_tdev == NODEV || 52821826Sjoerg (kp->ki_flag & P_CONTROLT) == 0)) 52921826Sjoerg continue; 53093383Smdodd } 53121826Sjoerg if (nselectors == 0) 53221826Sjoerg goto keepit; 53321826Sjoerg if (gidlist.count > 0) { 53421826Sjoerg for (elem = 0; elem < gidlist.count; elem++) 53521826Sjoerg if (kp->ki_rgid == gidlist.l.gids[elem]) 53621826Sjoerg goto keepit; 53721826Sjoerg } 53821826Sjoerg if (pgrplist.count > 0) { 53921826Sjoerg for (elem = 0; elem < pgrplist.count; elem++) 54021826Sjoerg if (kp->ki_pgid == 54121826Sjoerg pgrplist.l.pids[elem]) 54293383Smdodd goto keepit; 54393383Smdodd } 54493383Smdodd if (ruidlist.count > 0) { 54593383Smdodd for (elem = 0; elem < ruidlist.count; elem++) 54693383Smdodd if (kp->ki_ruid == 54793383Smdodd ruidlist.l.uids[elem]) 54893383Smdodd goto keepit; 54993383Smdodd } 55093383Smdodd if (sesslist.count > 0) { 55193383Smdodd for (elem = 0; elem < sesslist.count; elem++) 55221826Sjoerg if (kp->ki_sid == sesslist.l.pids[elem]) 55321826Sjoerg goto keepit; 55421826Sjoerg } 55521826Sjoerg if (ttylist.count > 0) { 55693383Smdodd for (elem = 0; elem < ttylist.count; elem++) 55793383Smdodd if (kp->ki_tdev == ttylist.l.ttys[elem]) 55821826Sjoerg goto keepit; 55993383Smdodd } 56093383Smdodd if (uidlist.count > 0) { 56193383Smdodd for (elem = 0; elem < uidlist.count; elem++) 56293383Smdodd if (kp->ki_uid == uidlist.l.uids[elem]) 56393383Smdodd goto keepit; 56493383Smdodd } 56593383Smdodd /* 56693383Smdodd * This process did not match any of the user's 56793383Smdodd * selector-options, so skip the process. 56893383Smdodd */ 56993383Smdodd continue; 57093383Smdodd 57193383Smdodd keepit: 57293383Smdodd kinfo[nkept].ki_p = kp; 57321826Sjoerg if (needuser) 57421826Sjoerg saveuser(&kinfo[nkept]); 57521826Sjoerg dynsizevars(&kinfo[nkept]); 57621826Sjoerg nkept++; 57721826Sjoerg } 57821826Sjoerg } 57921826Sjoerg 58021826Sjoerg sizevars(); 58121826Sjoerg 58221826Sjoerg /* 58321826Sjoerg * print header 58421826Sjoerg */ 58521826Sjoerg printheader(); 58621826Sjoerg if (nkept == 0) 58721826Sjoerg exit(1); 58821826Sjoerg 58921826Sjoerg /* 59021826Sjoerg * sort proc list 59121826Sjoerg */ 59221826Sjoerg qsort(kinfo, nkept, sizeof(KINFO), pscomp); 59321826Sjoerg /* 59421826Sjoerg * For each process, call each variable output function. 59521826Sjoerg */ 59621826Sjoerg for (i = lineno = 0; i < nkept; i++) { 59721826Sjoerg for (vent = vhead; vent; vent = vent->next) { 59821826Sjoerg (vent->var->oproc)(&kinfo[i], vent); 59921826Sjoerg if (vent->next != NULL) 60021826Sjoerg (void)putchar(' '); 60121826Sjoerg } 60221826Sjoerg (void)putchar('\n'); 60321826Sjoerg if (prtheader && lineno++ == prtheader - 4) { 60421826Sjoerg (void)putchar('\n'); 60593383Smdodd printheader(); 60693383Smdodd lineno = 0; 60793383Smdodd } 60821826Sjoerg } 60993383Smdodd free_list(&gidlist); 61021826Sjoerg free_list(&pidlist); 61193383Smdodd free_list(&pgrplist); 61221826Sjoerg free_list(&ruidlist); 61321826Sjoerg free_list(&sesslist); 61421826Sjoerg free_list(&ttylist); 61521826Sjoerg free_list(&uidlist); 61693383Smdodd 61793383Smdodd exit(eval); 61893383Smdodd} 61993383Smdodd 62021826Sjoergstatic int 62121826Sjoergaddelem_gid(struct listinfo *inf, const char *elem) 62221826Sjoerg{ 62321826Sjoerg struct group *grp; 62421826Sjoerg const char *nameorID; 62521826Sjoerg char *endp; 62621826Sjoerg u_long bigtemp; 62721826Sjoerg 62821826Sjoerg if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 62921826Sjoerg if (*elem == '\0') 63021826Sjoerg warnx("Invalid (zero-length) %s name", inf->lname); 63121826Sjoerg else 63221826Sjoerg warnx("%s name too long: %s", inf->lname, elem); 63321826Sjoerg optfatal = 1; 63421826Sjoerg return (0); /* Do not add this value. */ 63521826Sjoerg } 63621826Sjoerg 63721826Sjoerg /* 63821826Sjoerg * SUSv3 states that `ps -G grouplist' should match "real-group 63921826Sjoerg * ID numbers", and does not mention group-names. I do want to 64021826Sjoerg * also support group-names, so this tries for a group-id first, 64121826Sjoerg * and only tries for a name if that doesn't work. This is the 64221826Sjoerg * opposite order of what is done in addelem_uid(), but in 64321826Sjoerg * practice the order would only matter for group-names which 64421826Sjoerg * are all-numeric. 64521826Sjoerg */ 64621826Sjoerg grp = NULL; 64721826Sjoerg nameorID = "named"; 64821826Sjoerg errno = 0; 64921826Sjoerg bigtemp = strtoul(elem, &endp, 10); 65021826Sjoerg if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) { 65121826Sjoerg nameorID = "name or ID matches"; 65221826Sjoerg grp = getgrgid((gid_t)bigtemp); 65321826Sjoerg } 65421826Sjoerg if (grp == NULL) 65521826Sjoerg grp = getgrnam(elem); 65693383Smdodd if (grp == NULL) { 65721826Sjoerg warnx("No %s %s '%s'", inf->lname, nameorID, elem); 65893383Smdodd optfatal = 1; 65921826Sjoerg return (0); 66021826Sjoerg } 66121826Sjoerg if (inf->count >= inf->maxcount) 66293383Smdodd expand_list(inf); 66393383Smdodd inf->l.gids[(inf->count)++] = grp->gr_gid; 66493383Smdodd return (1); 66593383Smdodd} 66693383Smdodd 66793383Smdodd#define BSD_PID_MAX 99999 /* Copy of PID_MAX from sys/proc.h. */ 66893383Smdoddstatic int 66993383Smdoddaddelem_pid(struct listinfo *inf, const char *elem) 67093383Smdodd{ 67193383Smdodd char *endp; 67293383Smdodd long tempid; 67393383Smdodd 67493383Smdodd if (*elem == '\0') { 67593383Smdodd warnx("Invalid (zero-length) process id"); 67693383Smdodd optfatal = 1; 67793383Smdodd return (0); /* Do not add this value. */ 67893383Smdodd } 67993383Smdodd 68093383Smdodd errno = 0; 68193383Smdodd tempid = strtol(elem, &endp, 10); 68293383Smdodd if (*endp != '\0' || tempid < 0 || elem == endp) { 68393383Smdodd warnx("Invalid %s: %s", inf->lname, elem); 68421826Sjoerg errno = ERANGE; 68521826Sjoerg } else if (errno != 0 || tempid > BSD_PID_MAX) { 68621826Sjoerg warnx("%s too large: %s", inf->lname, elem); 68721826Sjoerg errno = ERANGE; 68821826Sjoerg } 68921826Sjoerg if (errno == ERANGE) { 69021826Sjoerg optfatal = 1; 69121826Sjoerg return (0); 69221826Sjoerg } 69321826Sjoerg if (inf->count >= inf->maxcount) 69421826Sjoerg expand_list(inf); 69521826Sjoerg inf->l.pids[(inf->count)++] = tempid; 69621826Sjoerg return (1); 69793383Smdodd} 69821826Sjoerg#undef BSD_PID_MAX 69921826Sjoerg 70021826Sjoergstatic int 70121826Sjoergaddelem_tty(struct listinfo *inf, const char *elem) 70221826Sjoerg{ 70321826Sjoerg const char *ttypath; 70421826Sjoerg struct stat sb; 70521826Sjoerg char pathbuf[PATH_MAX]; 70621826Sjoerg 70721826Sjoerg if (strcmp(elem, "co") == 0) 70821826Sjoerg ttypath = strdup(_PATH_CONSOLE); 70921826Sjoerg else if (*elem == '/') 71021826Sjoerg ttypath = elem; 71121826Sjoerg else { 71221826Sjoerg strlcpy(pathbuf, _PATH_TTY, sizeof(pathbuf)); 71321826Sjoerg strlcat(pathbuf, elem, sizeof(pathbuf)); 71421826Sjoerg ttypath = pathbuf; 71521826Sjoerg } 71621826Sjoerg 71721826Sjoerg if (stat(ttypath, &sb) == -1) { 71821826Sjoerg warn("%s", ttypath); 71921826Sjoerg optfatal = 1; 72021826Sjoerg return (0); 72121826Sjoerg } 72221826Sjoerg if (!S_ISCHR(sb.st_mode)) { 72321826Sjoerg warn("%s: Not a terminal", ttypath); 72421826Sjoerg optfatal = 1; 72521826Sjoerg return (0); 72621826Sjoerg } 72721826Sjoerg if (inf->count >= inf->maxcount) 72821826Sjoerg expand_list(inf); 72921826Sjoerg inf->l.ttys[(inf->count)++] = sb.st_rdev; 73021826Sjoerg return (1); 73121826Sjoerg} 73221826Sjoerg 73321826Sjoergstatic int 73493383Smdoddaddelem_uid(struct listinfo *inf, const char *elem) 73521826Sjoerg{ 73621826Sjoerg struct passwd *pwd; 73793383Smdodd char *endp; 73893383Smdodd u_long bigtemp; 73993383Smdodd 74093383Smdodd if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 74121826Sjoerg if (*elem == '\0') 74221826Sjoerg warnx("Invalid (zero-length) %s name", inf->lname); 74321826Sjoerg else 74421826Sjoerg warnx("%s name too long: %s", inf->lname, elem); 74521826Sjoerg optfatal = 1; 74621826Sjoerg return (0); /* Do not add this value. */ 74721826Sjoerg } 74821826Sjoerg 74921826Sjoerg pwd = getpwnam(elem); 75021826Sjoerg if (pwd == NULL) { 75121826Sjoerg errno = 0; 75221826Sjoerg bigtemp = strtoul(elem, &endp, 10); 75321826Sjoerg if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX) 75421826Sjoerg warnx("No %s named '%s'", inf->lname, elem); 75521826Sjoerg else { 75621826Sjoerg /* The string is all digits, so it might be a userID. */ 75721826Sjoerg pwd = getpwuid((uid_t)bigtemp); 75821826Sjoerg if (pwd == NULL) 75921826Sjoerg warnx("No %s name or ID matches '%s'", 76021826Sjoerg inf->lname, elem); 76121826Sjoerg } 76221826Sjoerg } 76321826Sjoerg if (pwd == NULL) { 76421826Sjoerg /* 76521826Sjoerg * These used to be treated as minor warnings (and the 76621826Sjoerg * option was simply ignored), but now they are fatal 76793383Smdodd * errors (and the command will be aborted). 76893383Smdodd */ 76993383Smdodd optfatal = 1; 77021826Sjoerg return (0); 77121826Sjoerg } 77221826Sjoerg if (inf->count >= inf->maxcount) 77321826Sjoerg expand_list(inf); 77421826Sjoerg inf->l.uids[(inf->count)++] = pwd->pw_uid; 77521826Sjoerg return (1); 77693383Smdodd} 77721826Sjoerg 77821826Sjoergstatic void 77993383Smdoddadd_list(struct listinfo *inf, const char *argp) 78021826Sjoerg{ 78121826Sjoerg const char *savep; 78221826Sjoerg char *cp, *endp; 78321826Sjoerg int toolong; 78421826Sjoerg char elemcopy[PATH_MAX]; 78521826Sjoerg 78621826Sjoerg if (*argp == 0) 78721826Sjoerg inf->addelem(inf, elemcopy); 78821826Sjoerg while (*argp != '\0') { 78921826Sjoerg while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 79021826Sjoerg argp++; 79121826Sjoerg savep = argp; 79293383Smdodd toolong = 0; 79321826Sjoerg cp = elemcopy; 79421826Sjoerg if (strchr(T_SEP, *argp) == NULL) { 79521826Sjoerg endp = elemcopy + sizeof(elemcopy) - 1; 79693383Smdodd while (*argp != '\0' && cp <= endp && 79721826Sjoerg strchr(W_SEP T_SEP, *argp) == NULL) 79893383Smdodd *cp++ = *argp++; 79993383Smdodd if (cp > endp) 80093383Smdodd toolong = 1; 80193383Smdodd } 80293383Smdodd if (!toolong) { 80321826Sjoerg *cp = '\0'; 80421826Sjoerg /* 80521826Sjoerg * Add this single element to the given list. 80621826Sjoerg */ 80721826Sjoerg inf->addelem(inf, elemcopy); 80821826Sjoerg } else { 80921826Sjoerg /* 81021826Sjoerg * The string is too long to copy. Find the end 81121826Sjoerg * of the string to print out the warning message. 81221826Sjoerg */ 81346568Speter while (*argp != '\0' && strchr(W_SEP T_SEP, 81421826Sjoerg *argp) == NULL) 81593383Smdodd argp++; 81693383Smdodd warnx("Value too long: %.*s", (int)(argp - savep), 81793383Smdodd savep); 81893383Smdodd optfatal = 1; 81993383Smdodd } 82093383Smdodd /* 82193383Smdodd * Skip over any number of trailing whitespace characters, 82293383Smdodd * but only one (at most) trailing element-terminating 82393383Smdodd * character. 82493383Smdodd */ 82593383Smdodd while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 82693383Smdodd argp++; 82793383Smdodd if (*argp != '\0' && strchr(T_SEP, *argp) != NULL) { 82893383Smdodd argp++; 82993383Smdodd /* Catch case where string ended with a comma. */ 83046568Speter if (*argp == '\0') 83121826Sjoerg inf->addelem(inf, argp); 83221826Sjoerg } 83321826Sjoerg } 83421826Sjoerg} 83521826Sjoerg 83621826Sjoergstatic void * 83721826Sjoergexpand_list(struct listinfo *inf) 83821826Sjoerg{ 83921826Sjoerg void *newlist; 84021826Sjoerg int newmax; 84121826Sjoerg 84221826Sjoerg newmax = (inf->maxcount + 1) << 1; 84321826Sjoerg newlist = realloc(inf->l.ptr, newmax * inf->elemsize); 84421826Sjoerg if (newlist == NULL) { 84521826Sjoerg free(inf->l.ptr); 84621826Sjoerg errx(1, "realloc to %d %ss failed", newmax, inf->lname); 84721826Sjoerg } 84893383Smdodd inf->maxcount = newmax; 84993383Smdodd inf->l.ptr = newlist; 85093383Smdodd 85121826Sjoerg return (newlist); 85221826Sjoerg} 85321826Sjoerg 85421826Sjoergstatic void 85521826Sjoergfree_list(struct listinfo *inf) 85621826Sjoerg{ 85721826Sjoerg 85821826Sjoerg inf->count = inf->elemsize = inf->maxcount = 0; 85921826Sjoerg if (inf->l.ptr != NULL) 86021826Sjoerg free(inf->l.ptr); 86121826Sjoerg inf->addelem = NULL; 86221826Sjoerg inf->lname = NULL; 86321826Sjoerg inf->l.ptr = NULL; 86421826Sjoerg} 86521826Sjoerg 86621826Sjoergstatic void 86793383Smdoddinit_list(struct listinfo *inf, addelem_rtn artn, int elemsize, 86821826Sjoerg const char *lname) 86921826Sjoerg{ 87021826Sjoerg 87121826Sjoerg inf->count = inf->maxcount = 0; 87221826Sjoerg inf->elemsize = elemsize; 87321826Sjoerg inf->addelem = artn; 87421826Sjoerg inf->lname = lname; 87521826Sjoerg inf->l.ptr = NULL; 87621826Sjoerg} 87721826Sjoerg 87821826SjoergVARENT * 87921826Sjoergfind_varentry(VAR *v) 88093383Smdodd{ 88193383Smdodd struct varent *vent; 88293383Smdodd 88321826Sjoerg for (vent = vhead; vent; vent = vent->next) { 88421826Sjoerg if (strcmp(vent->var->name, v->name) == 0) 88521826Sjoerg return vent; 88621826Sjoerg } 88721826Sjoerg return NULL; 88821826Sjoerg} 88921826Sjoerg 89021826Sjoergstatic void 89121826Sjoergscanvars(void) 89221826Sjoerg{ 89321826Sjoerg struct varent *vent; 89421826Sjoerg VAR *v; 89521826Sjoerg 89621826Sjoerg for (vent = vhead; vent; vent = vent->next) { 89793383Smdodd v = vent->var; 89893383Smdodd if (v->flag & DSIZ) { 89921826Sjoerg v->dwidth = v->width; 90021826Sjoerg v->width = 0; 90121826Sjoerg } 90221826Sjoerg if (v->flag & USER) 90321826Sjoerg needuser = 1; 90493383Smdodd if (v->flag & COMM) 90593383Smdodd needcomm = 1; 90621826Sjoerg } 90721826Sjoerg} 90821826Sjoerg 90921826Sjoergstatic void 91093383Smdodddynsizevars(KINFO *ki) 91193383Smdodd{ 91293383Smdodd struct varent *vent; 91321826Sjoerg VAR *v; 91493383Smdodd int i; 91593383Smdodd 91693383Smdodd for (vent = vhead; vent; vent = vent->next) { 91793383Smdodd v = vent->var; 91893383Smdodd if (!(v->flag & DSIZ)) 91993383Smdodd continue; 92093383Smdodd i = (v->sproc)( ki); 92193383Smdodd if (v->width < i) 92293383Smdodd v->width = i; 92393383Smdodd if (v->width > v->dwidth) 92493383Smdodd v->width = v->dwidth; 92593383Smdodd } 92621826Sjoerg} 92793383Smdodd 92821826Sjoergstatic void 92993383Smdoddsizevars(void) 93093383Smdodd{ 93193383Smdodd struct varent *vent; 93293383Smdodd VAR *v; 93393383Smdodd int i; 93421826Sjoerg 93593383Smdodd for (vent = vhead; vent; vent = vent->next) { 93693383Smdodd v = vent->var; 93793383Smdodd i = strlen(vent->header); 93893383Smdodd if (v->width < i) 93993383Smdodd v->width = i; 94093383Smdodd totwidth += v->width + 1; /* +1 for space */ 94193383Smdodd } 94293383Smdodd totwidth--; 94393383Smdodd} 94493383Smdodd 94593383Smdoddstatic const char * 94693383Smdoddfmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki, 94793383Smdodd char *comm, int maxlen) 94893383Smdodd{ 94993383Smdodd const char *s; 95093383Smdodd 95193383Smdodd s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, maxlen); 95293383Smdodd return (s); 95393383Smdodd} 95493383Smdodd 95593383Smdodd#define UREADOK(ki) (forceuread || (ki->ki_p->ki_sflag & PS_INMEM)) 95621826Sjoerg 95721826Sjoergstatic void 95821826Sjoergsaveuser(KINFO *ki) 95921826Sjoerg{ 96021826Sjoerg 96121826Sjoerg if (ki->ki_p->ki_sflag & PS_INMEM) { 96221826Sjoerg /* 96321826Sjoerg * The u-area might be swapped out, and we can't get 96421826Sjoerg * at it because we have a crashdump and no swap. 96521826Sjoerg * If it's here fill in these fields, otherwise, just 96621826Sjoerg * leave them 0. 96721826Sjoerg */ 96821826Sjoerg ki->ki_valid = 1; 96921826Sjoerg } else 97021826Sjoerg ki->ki_valid = 0; 97121826Sjoerg /* 97221826Sjoerg * save arguments if needed 97321826Sjoerg */ 97493383Smdodd if (needcomm && (UREADOK(ki) || (ki->ki_p->ki_args != NULL))) { 97521826Sjoerg ki->ki_args = strdup(fmt(kvm_getargv, ki, ki->ki_p->ki_comm, 97693383Smdodd MAXCOMLEN)); 97721826Sjoerg } else if (needcomm) { 97821826Sjoerg asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm); 97921826Sjoerg } else { 98021826Sjoerg ki->ki_args = NULL; 98121826Sjoerg } 98221826Sjoerg if (needenv && UREADOK(ki)) { 98321826Sjoerg ki->ki_env = strdup(fmt(kvm_getenvv, ki, (char *)NULL, 0)); 98421826Sjoerg } else if (needenv) { 98593383Smdodd ki->ki_env = malloc(3); 98621826Sjoerg strcpy(ki->ki_env, "()"); 98793383Smdodd } else { 98821826Sjoerg ki->ki_env = NULL; 98993383Smdodd } 99093383Smdodd} 99193383Smdodd 99293383Smdoddstatic int 99393383Smdoddpscomp(const void *a, const void *b) 99493383Smdodd{ 99593383Smdodd const KINFO *ka, *kb; 99621826Sjoerg double cpua, cpub; 99721826Sjoerg segsz_t sizea, sizeb; 99821826Sjoerg 99921826Sjoerg ka = a; 100021826Sjoerg kb = b; 100193383Smdodd /* SORTCPU and SORTMEM are sorted in descending order. */ 100293383Smdodd if (sortby == SORTCPU) { 100321826Sjoerg cpua = getpcpu(ka); 100421826Sjoerg cpub = getpcpu(kb); 100521826Sjoerg if (cpua < cpub) 100621826Sjoerg return (1); 100721826Sjoerg if (cpua > cpub) 100821826Sjoerg return (-1); 100993383Smdodd } 101093383Smdodd if (sortby == SORTMEM) { 101193383Smdodd sizea = ka->ki_p->ki_tsize + ka->ki_p->ki_dsize + 101293383Smdodd ka->ki_p->ki_ssize; 101393383Smdodd sizeb = kb->ki_p->ki_tsize + kb->ki_p->ki_dsize + 101421826Sjoerg kb->ki_p->ki_ssize; 101593383Smdodd if (sizea < sizeb) 101621826Sjoerg return (1); 101721826Sjoerg if (sizea > sizeb) 101821826Sjoerg return (-1); 101921826Sjoerg } 102021826Sjoerg /* 102121826Sjoerg * TTY's are sorted in ascending order, except that all NODEV 102221826Sjoerg * processes come before all processes with a device. 102321826Sjoerg */ 102421826Sjoerg if (ka->ki_p->ki_tdev == NODEV && kb->ki_p->ki_tdev != NODEV) 102521826Sjoerg return (-1); 102621826Sjoerg if (ka->ki_p->ki_tdev != NODEV && kb->ki_p->ki_tdev == NODEV) 102721826Sjoerg return (1); 102821826Sjoerg if (ka->ki_p->ki_tdev < kb->ki_p->ki_tdev) 102921826Sjoerg return (-1); 103021826Sjoerg if (ka->ki_p->ki_tdev > kb->ki_p->ki_tdev) 103193383Smdodd return (1); 103221826Sjoerg /* PID's are sorted in ascending order. */ 103321826Sjoerg if (ka->ki_p->ki_pid < kb->ki_p->ki_pid) 103421826Sjoerg return (-1); 103521826Sjoerg if (ka->ki_p->ki_pid > kb->ki_p->ki_pid) 103621826Sjoerg return (1); 103721826Sjoerg return (0); 103821826Sjoerg} 103921826Sjoerg 104021826Sjoerg/* 104193383Smdodd * ICK (all for getopt), would rather hide the ugliness 104221826Sjoerg * here than taint the main code. 104321826Sjoerg * 104421826Sjoerg * ps foo -> ps -foo 104521826Sjoerg * ps 34 -> ps -p34 104693383Smdodd * 104793383Smdodd * The old convention that 't' with no trailing tty arg means the users 104821826Sjoerg * tty, is only supported if argv[1] doesn't begin with a '-'. This same 104921826Sjoerg * feature is available with the option 'T', which takes no argument. 105093383Smdodd */ 105193383Smdoddstatic char * 105221826Sjoergkludge_oldps_options(const char *optlist, char *origval, const char *nextarg) 105321826Sjoerg{ 105421826Sjoerg size_t len; 105521826Sjoerg char *argp, *cp, *newopts, *ns, *optp, *pidp; 105621826Sjoerg 105721826Sjoerg /* 105821826Sjoerg * See if the original value includes any option which takes an 105921826Sjoerg * argument (and will thus use up the remainder of the string). 106021826Sjoerg */ 106121826Sjoerg argp = NULL; 106221826Sjoerg if (optlist != NULL) { 106321826Sjoerg for (cp = origval; *cp != '\0'; cp++) { 106421826Sjoerg optp = strchr(optlist, *cp); 106521826Sjoerg if ((optp != NULL) && *(optp + 1) == ':') { 106621826Sjoerg argp = cp; 106721826Sjoerg break; 106821826Sjoerg } 106921826Sjoerg } 107093383Smdodd } 107121826Sjoerg if (argp != NULL && *origval == '-') 107221826Sjoerg return (origval); 107321826Sjoerg 107493383Smdodd /* 107593383Smdodd * if last letter is a 't' flag with no argument (in the context 107621826Sjoerg * of the oldps options -- option string NOT starting with a '-' -- 107721826Sjoerg * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 107821826Sjoerg * 107921826Sjoerg * However, if a flag accepting a string argument is found earlier 108021826Sjoerg * in the option string (including a possible `t' flag), then the 108121826Sjoerg * remainder of the string must be the argument to that flag; so 108221826Sjoerg * do not modify that argument. Note that a trailing `t' would 108321826Sjoerg * cause argp to be set, if argp was not already set by some 108421826Sjoerg * earlier option. 108521826Sjoerg */ 108621826Sjoerg len = strlen(origval); 108721826Sjoerg cp = origval + len - 1; 108821826Sjoerg pidp = NULL; 108921826Sjoerg if (*cp == 't' && *origval != '-' && cp == argp) { 109021826Sjoerg if (nextarg == NULL || *nextarg == '-' || isdigitch(*nextarg)) 109121826Sjoerg *cp = 'T'; 109293383Smdodd } else if (argp == NULL) { 109321826Sjoerg /* 109421826Sjoerg * The original value did not include any option which takes 109521826Sjoerg * an argument (and that would include `p' and `t'), so check 109693383Smdodd * the value for trailing number, or comma-separated list of 109721826Sjoerg * numbers, which we will treat as a pid request. 109821826Sjoerg */ 109921826Sjoerg if (isdigitch(*cp)) { 110021826Sjoerg while (cp >= origval && (*cp == ',' || isdigitch(*cp))) 110121826Sjoerg --cp; 110293383Smdodd pidp = cp + 1; 110321826Sjoerg } 110421826Sjoerg } 110521826Sjoerg 110621826Sjoerg /* 110721826Sjoerg * If nothing needs to be added to the string, then return 110821826Sjoerg * the "original" (although possibly modified) value. 110921826Sjoerg */ 111021826Sjoerg if (*origval == '-' && pidp == NULL) 111121826Sjoerg return (origval); 111221826Sjoerg 111321826Sjoerg /* 111421826Sjoerg * Create a copy of the string to add '-' and/or 'p' to the 111521826Sjoerg * original value. 111621826Sjoerg */ 111721826Sjoerg if ((newopts = ns = malloc(len + 3)) == NULL) 111821826Sjoerg errx(1, "malloc failed"); 111921826Sjoerg 112021826Sjoerg if (*origval != '-') 112121826Sjoerg *ns++ = '-'; /* add option flag */ 112221826Sjoerg 112321826Sjoerg if (pidp == NULL) 112421826Sjoerg strcpy(ns, origval); 112521826Sjoerg else { 112621826Sjoerg /* 112721826Sjoerg * Copy everything before the pid string, add the `p', 112821826Sjoerg * and then copy the pid string. 112921826Sjoerg */ 113021826Sjoerg len = pidp - origval; 113121826Sjoerg memcpy(ns, origval, len); 113221826Sjoerg ns += len; 113321826Sjoerg *ns++ = 'p'; 113421826Sjoerg strcpy(ns, pidp); 113521826Sjoerg } 113621826Sjoerg 113721826Sjoerg return (newopts); 113821826Sjoerg} 1139102412Scharnier 114021826Sjoergstatic void 114121826Sjoergusage(void) 114221826Sjoerg{ 114321826Sjoerg#define SINGLE_OPTS "[-aC" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 114421826Sjoerg 114521826Sjoerg (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 114621826Sjoerg "usage: ps " SINGLE_OPTS " [-G gid[,gid]] [-O|o fmt]", 1147102412Scharnier " [-p pid[,pid]] [-t tty[,tty]] [-U user[,user]]", 114821826Sjoerg " [-M core] [-N system]", 114921826Sjoerg " ps [-L]"); 115021826Sjoerg exit(1); 115121826Sjoerg} 115221826Sjoerg