ps.c revision 239883
11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1990, 1993, 1994 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * Redistribution and use in source and binary forms, with or without 61556Srgrimes * modification, are permitted provided that the following conditions 71556Srgrimes * are met: 81556Srgrimes * 1. Redistributions of source code must retain the above copyright 91556Srgrimes * notice, this list of conditions and the following disclaimer. 101556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111556Srgrimes * notice, this list of conditions and the following disclaimer in the 121556Srgrimes * documentation and/or other materials provided with the distribution. 131556Srgrimes * 4. Neither the name of the University nor the names of its contributors 141556Srgrimes * may be used to endorse or promote products derived from this software 151556Srgrimes * without specific prior written permission. 161556Srgrimes * 171556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271556Srgrimes * SUCH DAMAGE. 28127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 29127499Sgad * Copyright (c) 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>. 30127499Sgad * All rights reserved. 31127499Sgad * 32127499Sgad * Significant modifications made to bring `ps' options somewhat closer 33127499Sgad * to the standard for `ps' as described in SingleUnixSpec-v3. 34127499Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 351556Srgrimes */ 361556Srgrimes 371556Srgrimes#ifndef lint 3890143Smarkmstatic const char copyright[] = 391556Srgrimes"@(#) Copyright (c) 1990, 1993, 1994\n\ 401556Srgrimes The Regents of the University of California. All rights reserved.\n"; 411556Srgrimes#endif /* not lint */ 421556Srgrimes 4390143Smarkm#if 0 441556Srgrimes#ifndef lint 4536049Scharnierstatic char sccsid[] = "@(#)ps.c 8.4 (Berkeley) 4/2/94"; 4690143Smarkm#endif /* not lint */ 4736049Scharnier#endif 48110391Scharnier 4999110Sobrien#include <sys/cdefs.h> 5099110Sobrien__FBSDID("$FreeBSD: head/bin/ps/ps.c 239883 2012-08-29 21:38:34Z emaste $"); 511556Srgrimes 521556Srgrimes#include <sys/param.h> 53127546Sgad#include <sys/proc.h> 543296Sdg#include <sys/user.h> 551556Srgrimes#include <sys/stat.h> 561556Srgrimes#include <sys/ioctl.h> 571556Srgrimes#include <sys/sysctl.h> 58137696Scsjp#include <sys/mount.h> 591556Srgrimes 601556Srgrimes#include <ctype.h> 611556Srgrimes#include <err.h> 62127149Sgad#include <errno.h> 631556Srgrimes#include <fcntl.h> 64127499Sgad#include <grp.h> 651556Srgrimes#include <kvm.h> 6613514Smpp#include <limits.h> 6773367Sache#include <locale.h> 681556Srgrimes#include <paths.h> 6990143Smarkm#include <pwd.h> 701556Srgrimes#include <stdio.h> 711556Srgrimes#include <stdlib.h> 721556Srgrimes#include <string.h> 731556Srgrimes#include <unistd.h> 741556Srgrimes 751556Srgrimes#include "ps.h" 761556Srgrimes 77173492Sjhb#define _PATH_PTS "/dev/pts/" 78173492Sjhb 79127499Sgad#define W_SEP " \t" /* "Whitespace" list separators */ 80127499Sgad#define T_SEP "," /* "Terminate-element" list separators */ 8166377Sbrian 82127537Sgad#ifdef LAZY_PS 83127555Sgad#define DEF_UREAD 0 84127537Sgad#define OPT_LAZY_f "f" 85127537Sgad#else 86127555Sgad#define DEF_UREAD 1 /* Always do the more-expensive read. */ 87127537Sgad#define OPT_LAZY_f /* I.e., the `-f' option is not added. */ 88127537Sgad#endif 89127537Sgad 90129914Sgad/* 91129971Sgad * isdigit takes an `int', but expects values in the range of unsigned char. 92129971Sgad * This wrapper ensures that values from a 'char' end up in the correct range. 93129914Sgad */ 94129971Sgad#define isdigitch(Anychar) isdigit((u_char)(Anychar)) 95129914Sgad 96127537Sgadint cflag; /* -c */ 97127537Sgadint eval; /* Exit value */ 98127537Sgadtime_t now; /* Current time(3) value */ 99127537Sgadint rawcpu; /* -C */ 100127537Sgadint sumrusage; /* -S */ 101127537Sgadint termwidth; /* Width of the screen (0 == infinity). */ 102173004Sjulianint showthreads; /* will threads be shown? */ 103127537Sgad 104130999Sgadstruct velisthead varlist = STAILQ_HEAD_INITIALIZER(varlist); 1051556Srgrimes 106127537Sgadstatic int forceuread = DEF_UREAD; /* Do extra work to get u-area. */ 107127537Sgadstatic kvm_t *kd; 108127537Sgadstatic int needcomm; /* -o "command" */ 109127537Sgadstatic int needenv; /* -e */ 110127537Sgadstatic int needuser; /* -o "user" */ 111127537Sgadstatic int optfatal; /* Fatal error parsing some list-option. */ 1121556Srgrimes 113127537Sgadstatic enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 11497966Sjmallett 115127499Sgadstruct listinfo; 116127537Sgadtypedef int addelem_rtn(struct listinfo *_inf, const char *_elem); 117127499Sgad 118127499Sgadstruct listinfo { 119127499Sgad int count; 120127499Sgad int maxcount; 121127499Sgad int elemsize; 122127499Sgad addelem_rtn *addelem; 123127499Sgad const char *lname; 124127499Sgad union { 125127499Sgad gid_t *gids; 126127499Sgad pid_t *pids; 127127499Sgad dev_t *ttys; 128127499Sgad uid_t *uids; 129127499Sgad void *ptr; 130127823Sgad } l; 131127499Sgad}; 132127499Sgad 133127499Sgadstatic int addelem_gid(struct listinfo *, const char *); 134127499Sgadstatic int addelem_pid(struct listinfo *, const char *); 135127499Sgadstatic int addelem_tty(struct listinfo *, const char *); 136127499Sgadstatic int addelem_uid(struct listinfo *, const char *); 137127499Sgadstatic void add_list(struct listinfo *, const char *); 138192239Sbrianstatic void descendant_sort(KINFO *, int); 139225868Straszstatic void format_output(KINFO *); 140127499Sgadstatic void *expand_list(struct listinfo *); 141127598Sgadstatic const char * 142127598Sgad fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int), 143127536Sgad KINFO *, char *, int); 144127499Sgadstatic void free_list(struct listinfo *); 145127499Sgadstatic void init_list(struct listinfo *, addelem_rtn, int, const char *); 146129952Sgadstatic char *kludge_oldps_options(const char *, char *, const char *); 147127536Sgadstatic int pscomp(const void *, const void *); 148127536Sgadstatic void saveuser(KINFO *); 149127536Sgadstatic void scanvars(void); 150127536Sgadstatic void sizevars(void); 151127536Sgadstatic void usage(void); 152127499Sgad 15397875Sjmallettstatic char dfmt[] = "pid,tt,state,time,command"; 154129635Sgadstatic char jfmt[] = "user,pid,ppid,pgid,sid,jobc,state,tt,time,command"; 155127538Sgadstatic char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state," 156127538Sgad "tt,time,command"; 15790143Smarkmstatic char o1[] = "pid"; 15897875Sjmallettstatic char o2[] = "tt,state,time,command"; 15997875Sjmallettstatic char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command"; 160127538Sgadstatic char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz," 161127538Sgad "%cpu,%mem,command"; 162105831Srwatsonstatic char Zfmt[] = "label"; 1631556Srgrimes 164192239Sbrian#define PS_ARGS "AaCcde" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ" 16598494Ssobomax 1661556Srgrimesint 16790110Simpmain(int argc, char *argv[]) 1681556Srgrimes{ 169127499Sgad struct listinfo gidlist, pgrplist, pidlist; 170127499Sgad struct listinfo ruidlist, sesslist, ttylist, uidlist; 1711556Srgrimes struct kinfo_proc *kp; 172225868Strasz KINFO *kinfo = NULL, *next_KINFO; 173225868Strasz KINFO_STR *ks; 1741556Srgrimes struct varent *vent; 1751556Srgrimes struct winsize ws; 176225868Strasz const char *nlistf, *memf, *fmtstr, *str; 177127539Sgad char *cols; 178225868Strasz int all, ch, elem, flag, _fmt, i, lineno, linelen, left; 179192239Sbrian int descendancy, nentries, nkept, nselectors; 180173004Sjulian int prtheader, wflag, what, xkeep, xkeep_implied; 18190143Smarkm char errbuf[_POSIX2_LINE_MAX]; 1821556Srgrimes 18311809Sache (void) setlocale(LC_ALL, ""); 184127542Sgad time(&now); /* Used by routines in print.c. */ 18511809Sache 18697804Stjr if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18797804Stjr termwidth = atoi(cols); 18897804Stjr else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1891556Srgrimes ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1901556Srgrimes ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 1911556Srgrimes ws.ws_col == 0) 1921556Srgrimes termwidth = 79; 1931556Srgrimes else 1941556Srgrimes termwidth = ws.ws_col - 1; 1951556Srgrimes 19698494Ssobomax /* 197129914Sgad * Hide a number of option-processing kludges in a separate routine, 198129914Sgad * to support some historical BSD behaviors, such as `ps axu'. 19998494Ssobomax */ 200129914Sgad if (argc > 1) 201129915Sgad argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]); 2021556Srgrimes 203192239Sbrian all = descendancy = _fmt = nselectors = optfatal = 0; 204127542Sgad prtheader = showthreads = wflag = xkeep_implied = 0; 205127542Sgad xkeep = -1; /* Neither -x nor -X. */ 206127499Sgad init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 207127499Sgad init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 208127499Sgad init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 209127499Sgad init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 210127499Sgad init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 211127499Sgad init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 212127499Sgad init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 213203688Sbrucec memf = _PATH_DEVNULL; 214203688Sbrucec nlistf = NULL; 21598494Ssobomax while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 216180596Skevlo switch (ch) { 217127499Sgad case 'A': 218127499Sgad /* 219127499Sgad * Exactly the same as `-ax'. This has been 220222178Suqs * added for compatibility with SUSv3, but for 221127499Sgad * now it will not be described in the man page. 222127499Sgad */ 223127499Sgad nselectors++; 224127499Sgad all = xkeep = 1; 225127499Sgad break; 2261556Srgrimes case 'a': 227127499Sgad nselectors++; 2281556Srgrimes all = 1; 2291556Srgrimes break; 23019068Speter case 'C': 23119068Speter rawcpu = 1; 23219068Speter break; 23319068Speter case 'c': 23419068Speter cflag = 1; 23519068Speter break; 236192239Sbrian case 'd': 237192239Sbrian descendancy = 1; 238192239Sbrian break; 2391556Srgrimes case 'e': /* XXX set ufmt */ 2401556Srgrimes needenv = 1; 2411556Srgrimes break; 242127506Sgad#ifdef LAZY_PS 243127506Sgad case 'f': 244127506Sgad if (getuid() == 0 || getgid() == 0) 245127542Sgad forceuread = 1; 246127506Sgad break; 247127506Sgad#endif 248127499Sgad case 'G': 249127499Sgad add_list(&gidlist, optarg); 250127499Sgad xkeep_implied = 1; 251127499Sgad nselectors++; 252127499Sgad break; 253127542Sgad case 'g': 254127499Sgad#if 0 255127597Sgad /*- 256127542Sgad * XXX - This SUSv3 behavior is still under debate 257127542Sgad * since it conflicts with the (undocumented) 258127542Sgad * `-g' option. So we skip it for now. 259127542Sgad */ 260127499Sgad add_list(&pgrplist, optarg); 261127499Sgad xkeep_implied = 1; 262127499Sgad nselectors++; 263127499Sgad break; 264127499Sgad#else 265127542Sgad /* The historical BSD-ish (from SunOS) behavior. */ 2661556Srgrimes break; /* no-op */ 267127499Sgad#endif 268116265Sscottl case 'H': 269126127Sdeischen showthreads = KERN_PROC_INC_THREAD; 270116265Sscottl break; 2711556Srgrimes case 'h': 2721556Srgrimes prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 2731556Srgrimes break; 2741556Srgrimes case 'j': 275109502Sjmallett parsefmt(jfmt, 0); 27690143Smarkm _fmt = 1; 2771556Srgrimes jfmt[0] = '\0'; 2781556Srgrimes break; 2791556Srgrimes case 'L': 2801556Srgrimes showkey(); 2811556Srgrimes exit(0); 2821556Srgrimes case 'l': 283109502Sjmallett parsefmt(lfmt, 0); 28490143Smarkm _fmt = 1; 2851556Srgrimes lfmt[0] = '\0'; 2861556Srgrimes break; 2871556Srgrimes case 'M': 2881556Srgrimes memf = optarg; 2891556Srgrimes break; 2901556Srgrimes case 'm': 2911556Srgrimes sortby = SORTMEM; 2921556Srgrimes break; 2931556Srgrimes case 'N': 2941556Srgrimes nlistf = optarg; 2951556Srgrimes break; 2961556Srgrimes case 'O': 297109502Sjmallett parsefmt(o1, 1); 298109502Sjmallett parsefmt(optarg, 1); 299109502Sjmallett parsefmt(o2, 1); 3001556Srgrimes o1[0] = o2[0] = '\0'; 30190143Smarkm _fmt = 1; 3021556Srgrimes break; 3031556Srgrimes case 'o': 304109502Sjmallett parsefmt(optarg, 1); 30590143Smarkm _fmt = 1; 3061556Srgrimes break; 3071556Srgrimes case 'p': 308127499Sgad add_list(&pidlist, optarg); 309127499Sgad /* 310127499Sgad * Note: `-p' does not *set* xkeep, but any values 311127499Sgad * from pidlist are checked before xkeep is. That 312127499Sgad * way they are always matched, even if the user 313127499Sgad * specifies `-X'. 314127499Sgad */ 315127499Sgad nselectors++; 3161556Srgrimes break; 317127499Sgad#if 0 318127499Sgad case 'R': 319127597Sgad /*- 320127542Sgad * XXX - This un-standard option is still under 321127542Sgad * debate. This is what SUSv3 defines as 322127542Sgad * the `-U' option, and while it would be 323127542Sgad * nice to have, it could cause even more 324127542Sgad * confusion to implement it as `-R'. 325127542Sgad */ 326127499Sgad add_list(&ruidlist, optarg); 327127499Sgad xkeep_implied = 1; 328127499Sgad nselectors++; 329127499Sgad break; 330127499Sgad#endif 3311556Srgrimes case 'r': 3321556Srgrimes sortby = SORTCPU; 3331556Srgrimes break; 3341556Srgrimes case 'S': 3351556Srgrimes sumrusage = 1; 3361556Srgrimes break; 337127499Sgad#if 0 338127499Sgad case 's': 339127597Sgad /*- 340127542Sgad * XXX - This non-standard option is still under 341127542Sgad * debate. This *is* supported on Solaris, 342127542Sgad * Linux, and IRIX, but conflicts with `-s' 343127542Sgad * on NetBSD and maybe some older BSD's. 344127542Sgad */ 345127499Sgad add_list(&sesslist, optarg); 346127499Sgad xkeep_implied = 1; 347127499Sgad nselectors++; 348127499Sgad break; 349127499Sgad#endif 3501556Srgrimes case 'T': 3511556Srgrimes if ((optarg = ttyname(STDIN_FILENO)) == NULL) 3521556Srgrimes errx(1, "stdin: not a terminal"); 3531556Srgrimes /* FALLTHROUGH */ 354127499Sgad case 't': 355127499Sgad add_list(&ttylist, optarg); 356127499Sgad xkeep_implied = 1; 357127499Sgad nselectors++; 3581556Srgrimes break; 35913020Speter case 'U': 360127499Sgad /* This is what SUSv3 defines as the `-u' option. */ 361127499Sgad add_list(&uidlist, optarg); 362127499Sgad xkeep_implied = 1; 363127499Sgad nselectors++; 36413020Speter break; 3651556Srgrimes case 'u': 366109502Sjmallett parsefmt(ufmt, 0); 3671556Srgrimes sortby = SORTCPU; 36890143Smarkm _fmt = 1; 3691556Srgrimes ufmt[0] = '\0'; 3701556Srgrimes break; 3711556Srgrimes case 'v': 372109502Sjmallett parsefmt(vfmt, 0); 3731556Srgrimes sortby = SORTMEM; 37490143Smarkm _fmt = 1; 3751556Srgrimes vfmt[0] = '\0'; 3761556Srgrimes break; 3771556Srgrimes case 'w': 3781556Srgrimes if (wflag) 3791556Srgrimes termwidth = UNLIMITED; 3801556Srgrimes else if (termwidth < 131) 3811556Srgrimes termwidth = 131; 3821556Srgrimes wflag++; 3831556Srgrimes break; 384127499Sgad case 'X': 385127499Sgad /* 386127499Sgad * Note that `-X' and `-x' are not standard "selector" 387127499Sgad * options. For most selector-options, we check *all* 388127499Sgad * processes to see if any are matched by the given 389127499Sgad * value(s). After we have a set of all the matched 390127499Sgad * processes, then `-X' and `-x' govern whether we 391127499Sgad * modify that *matched* set for processes which do 392127499Sgad * not have a controlling terminal. `-X' causes 393127499Sgad * those processes to be deleted from the matched 394127499Sgad * set, while `-x' causes them to be kept. 395127499Sgad */ 396127499Sgad xkeep = 0; 397127499Sgad break; 3981556Srgrimes case 'x': 399127499Sgad xkeep = 1; 4001556Srgrimes break; 40186922Sgreen case 'Z': 402109502Sjmallett parsefmt(Zfmt, 0); 40386922Sgreen Zfmt[0] = '\0'; 40486922Sgreen break; 4051556Srgrimes case '?': 4061556Srgrimes default: 4071556Srgrimes usage(); 4081556Srgrimes } 4091556Srgrimes argc -= optind; 4101556Srgrimes argv += optind; 411129914Sgad 412129914Sgad /* 413129914Sgad * If there arguments after processing all the options, attempt 414129914Sgad * to treat them as a list of process ids. 415129914Sgad */ 416129914Sgad while (*argv) { 417129914Sgad if (!isdigitch(**argv)) 418129914Sgad break; 419129914Sgad add_list(&pidlist, *argv); 420129914Sgad argv++; 421129914Sgad } 422129914Sgad if (*argv) { 423129914Sgad fprintf(stderr, "%s: illegal argument: %s\n", 424129914Sgad getprogname(), *argv); 425129914Sgad usage(); 426129914Sgad } 427127499Sgad if (optfatal) 428127542Sgad exit(1); /* Error messages already printed. */ 429127542Sgad if (xkeep < 0) /* Neither -X nor -x was specified. */ 430127499Sgad xkeep = xkeep_implied; 431127499Sgad 43289909Sru kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 4331556Srgrimes if (kd == 0) 4341556Srgrimes errx(1, "%s", errbuf); 4351556Srgrimes 43690143Smarkm if (!_fmt) 437109502Sjmallett parsefmt(dfmt, 0); 4381556Srgrimes 439127499Sgad if (nselectors == 0) { 440127823Sgad uidlist.l.ptr = malloc(sizeof(uid_t)); 441127823Sgad if (uidlist.l.ptr == NULL) 44297877Sjmallett errx(1, "malloc failed"); 443127499Sgad nselectors = 1; 444127499Sgad uidlist.count = uidlist.maxcount = 1; 445127823Sgad *uidlist.l.uids = getuid(); 44666377Sbrian } 4471556Srgrimes 4481556Srgrimes /* 4491556Srgrimes * scan requested variables, noting what structures are needed, 45053170Skris * and adjusting header widths as appropriate. 4511556Srgrimes */ 4521556Srgrimes scanvars(); 453127499Sgad 4541556Srgrimes /* 455127499Sgad * Get process list. If the user requested just one selector- 456127499Sgad * option, then kvm_getprocs can be asked to return just those 457127499Sgad * processes. Otherwise, have it return all processes, and 458127499Sgad * then this routine will search that full list and select the 459127499Sgad * processes which match any of the user's selector-options. 4601556Srgrimes */ 461127499Sgad what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 462127499Sgad flag = 0; 463127499Sgad if (nselectors == 1) { 464129600Sgad if (gidlist.count == 1) { 465129600Sgad what = KERN_PROC_RGID | showthreads; 466129600Sgad flag = *gidlist.l.gids; 467129600Sgad nselectors = 0; 468129600Sgad } else if (pgrplist.count == 1) { 469127499Sgad what = KERN_PROC_PGRP | showthreads; 470127823Sgad flag = *pgrplist.l.pids; 471127499Sgad nselectors = 0; 472127499Sgad } else if (pidlist.count == 1) { 473127499Sgad what = KERN_PROC_PID | showthreads; 474127823Sgad flag = *pidlist.l.pids; 475127499Sgad nselectors = 0; 476127499Sgad } else if (ruidlist.count == 1) { 477127499Sgad what = KERN_PROC_RUID | showthreads; 478127823Sgad flag = *ruidlist.l.uids; 479127499Sgad nselectors = 0; 480127499Sgad } else if (sesslist.count == 1) { 481127499Sgad what = KERN_PROC_SESSION | showthreads; 482127823Sgad flag = *sesslist.l.pids; 483127499Sgad nselectors = 0; 484127499Sgad } else if (ttylist.count == 1) { 485127499Sgad what = KERN_PROC_TTY | showthreads; 486127823Sgad flag = *ttylist.l.ttys; 487127499Sgad nselectors = 0; 488127499Sgad } else if (uidlist.count == 1) { 489127499Sgad what = KERN_PROC_UID | showthreads; 490127823Sgad flag = *uidlist.l.uids; 491127499Sgad nselectors = 0; 492127499Sgad } else if (all) { 493127499Sgad /* No need for this routine to select processes. */ 494127499Sgad nselectors = 0; 495127499Sgad } 4961556Srgrimes } 497126127Sdeischen 4981556Srgrimes /* 4991556Srgrimes * select procs 5001556Srgrimes */ 501127499Sgad nentries = -1; 502127149Sgad kp = kvm_getprocs(kd, what, flag, &nentries); 503127544Sgad if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 5041556Srgrimes errx(1, "%s", kvm_geterr(kd)); 505127499Sgad nkept = 0; 506127149Sgad if (nentries > 0) { 507127149Sgad if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 508127149Sgad errx(1, "malloc failed"); 509127149Sgad for (i = nentries; --i >= 0; ++kp) { 510127499Sgad /* 511127499Sgad * If the user specified multiple selection-criteria, 512127499Sgad * then keep any process matched by the inclusive OR 513127499Sgad * of all the selection-criteria given. 514127499Sgad */ 515127499Sgad if (pidlist.count > 0) { 516127499Sgad for (elem = 0; elem < pidlist.count; elem++) 517127823Sgad if (kp->ki_pid == pidlist.l.pids[elem]) 518127499Sgad goto keepit; 519127499Sgad } 520127499Sgad /* 521127499Sgad * Note that we had to process pidlist before 522127499Sgad * filtering out processes which do not have 523127499Sgad * a controlling terminal. 524127499Sgad */ 525127499Sgad if (xkeep == 0) { 526127499Sgad if ((kp->ki_tdev == NODEV || 527127499Sgad (kp->ki_flag & P_CONTROLT) == 0)) 528127499Sgad continue; 529127499Sgad } 530127499Sgad if (nselectors == 0) 531127499Sgad goto keepit; 532127499Sgad if (gidlist.count > 0) { 533127499Sgad for (elem = 0; elem < gidlist.count; elem++) 534127823Sgad if (kp->ki_rgid == gidlist.l.gids[elem]) 535127499Sgad goto keepit; 536127499Sgad } 537127499Sgad if (pgrplist.count > 0) { 538127499Sgad for (elem = 0; elem < pgrplist.count; elem++) 539127823Sgad if (kp->ki_pgid == 540127823Sgad pgrplist.l.pids[elem]) 541127499Sgad goto keepit; 542127499Sgad } 543127499Sgad if (ruidlist.count > 0) { 544127499Sgad for (elem = 0; elem < ruidlist.count; elem++) 545127823Sgad if (kp->ki_ruid == 546127823Sgad ruidlist.l.uids[elem]) 547127499Sgad goto keepit; 548127499Sgad } 549127499Sgad if (sesslist.count > 0) { 550127499Sgad for (elem = 0; elem < sesslist.count; elem++) 551127823Sgad if (kp->ki_sid == sesslist.l.pids[elem]) 552127499Sgad goto keepit; 553127499Sgad } 554127499Sgad if (ttylist.count > 0) { 555127499Sgad for (elem = 0; elem < ttylist.count; elem++) 556127823Sgad if (kp->ki_tdev == ttylist.l.ttys[elem]) 557127499Sgad goto keepit; 558127499Sgad } 559127499Sgad if (uidlist.count > 0) { 560127499Sgad for (elem = 0; elem < uidlist.count; elem++) 561127823Sgad if (kp->ki_uid == uidlist.l.uids[elem]) 562127499Sgad goto keepit; 563127499Sgad } 564127499Sgad /* 565127499Sgad * This process did not match any of the user's 566127499Sgad * selector-options, so skip the process. 567127499Sgad */ 568127499Sgad continue; 569127499Sgad 570127499Sgad keepit: 571130816Sgad next_KINFO = &kinfo[nkept]; 572130816Sgad next_KINFO->ki_p = kp; 573192239Sbrian next_KINFO->ki_d.level = 0; 574192239Sbrian next_KINFO->ki_d.prefix = NULL; 575130816Sgad next_KINFO->ki_pcpu = getpcpu(next_KINFO); 576130816Sgad if (sortby == SORTMEM) 577130816Sgad next_KINFO->ki_memsize = kp->ki_tsize + 578130816Sgad kp->ki_dsize + kp->ki_ssize; 579127149Sgad if (needuser) 580130816Sgad saveuser(next_KINFO); 581127499Sgad nkept++; 582127149Sgad } 5831556Srgrimes } 58425271Sjkh 58525271Sjkh sizevars(); 58625271Sjkh 587225868Strasz if (nkept == 0) { 588225868Strasz printheader(); 58962803Swill exit(1); 590225868Strasz } 591127499Sgad 5921556Srgrimes /* 5931556Srgrimes * sort proc list 5941556Srgrimes */ 595127499Sgad qsort(kinfo, nkept, sizeof(KINFO), pscomp); 596192239Sbrian 5971556Srgrimes /* 598192239Sbrian * We want things in descendant order 599192239Sbrian */ 600192239Sbrian if (descendancy) 601192239Sbrian descendant_sort(kinfo, nkept); 602192239Sbrian 603225868Strasz 604192239Sbrian /* 605225868Strasz * Prepare formatted output. 6061556Srgrimes */ 607225868Strasz for (i = 0; i < nkept; i++) 608225868Strasz format_output(&kinfo[i]); 609225868Strasz 610225868Strasz /* 611225868Strasz * Print header. 612225868Strasz */ 613225868Strasz printheader(); 614225868Strasz 615225868Strasz /* 616225868Strasz * Output formatted lines. 617225868Strasz */ 618127499Sgad for (i = lineno = 0; i < nkept; i++) { 619225868Strasz linelen = 0; 620130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 621225868Strasz if (vent->var->flag & LJUST) 622225868Strasz fmtstr = "%-*s"; 623225868Strasz else 624225868Strasz fmtstr = "%*s"; 625225868Strasz 626225868Strasz ks = STAILQ_FIRST(&kinfo[i].ki_ks); 627225868Strasz STAILQ_REMOVE_HEAD(&kinfo[i].ki_ks, ks_next); 628229782Suqs /* Truncate rightmost column if necessary. */ 629225868Strasz if (STAILQ_NEXT(vent, next_ve) == NULL && 630225868Strasz termwidth != UNLIMITED && ks->ks_str != NULL) { 631225868Strasz left = termwidth - linelen; 632225868Strasz if (left > 0 && left < (int)strlen(ks->ks_str)) 633225868Strasz ks->ks_str[left] = '\0'; 634225868Strasz } 635225868Strasz str = ks->ks_str; 636225868Strasz if (str == NULL) 637225868Strasz str = "-"; 638225868Strasz /* No padding for the last column, if it's LJUST. */ 639225868Strasz if (STAILQ_NEXT(vent, next_ve) == NULL && 640225868Strasz vent->var->flag & LJUST) 641225868Strasz linelen += printf(fmtstr, 0, str); 642225868Strasz else 643225868Strasz linelen += printf(fmtstr, vent->var->width, str); 644225868Strasz 645225868Strasz if (ks->ks_str != NULL) { 646225868Strasz free(ks->ks_str); 647225868Strasz ks->ks_str = NULL; 648225868Strasz } 649225868Strasz free(ks); 650225868Strasz ks = NULL; 651225868Strasz 652225868Strasz if (STAILQ_NEXT(vent, next_ve) != NULL) { 6531556Srgrimes (void)putchar(' '); 654225868Strasz linelen++; 655225868Strasz } 6561556Srgrimes } 6571556Srgrimes (void)putchar('\n'); 6581556Srgrimes if (prtheader && lineno++ == prtheader - 4) { 6591556Srgrimes (void)putchar('\n'); 6601556Srgrimes printheader(); 6611556Srgrimes lineno = 0; 6621556Srgrimes } 6631556Srgrimes } 664127499Sgad free_list(&gidlist); 665127499Sgad free_list(&pidlist); 666127499Sgad free_list(&pgrplist); 667127499Sgad free_list(&ruidlist); 668127499Sgad free_list(&sesslist); 669127499Sgad free_list(&ttylist); 670127499Sgad free_list(&uidlist); 671192239Sbrian for (i = 0; i < nkept; i++) 672192239Sbrian free(kinfo[i].ki_d.prefix); 673192239Sbrian free(kinfo); 67466377Sbrian 6751556Srgrimes exit(eval); 6761556Srgrimes} 6771556Srgrimes 678127499Sgadstatic int 679127499Sgadaddelem_gid(struct listinfo *inf, const char *elem) 680127499Sgad{ 681127499Sgad struct group *grp; 682127499Sgad const char *nameorID; 683127499Sgad char *endp; 684127602Sgad u_long bigtemp; 685127499Sgad 686127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 687127499Sgad if (*elem == '\0') 688127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 689127499Sgad else 690127499Sgad warnx("%s name too long: %s", inf->lname, elem); 691127499Sgad optfatal = 1; 692127542Sgad return (0); /* Do not add this value. */ 693127499Sgad } 694127499Sgad 695127499Sgad /* 696127499Sgad * SUSv3 states that `ps -G grouplist' should match "real-group 697127499Sgad * ID numbers", and does not mention group-names. I do want to 698127499Sgad * also support group-names, so this tries for a group-id first, 699127499Sgad * and only tries for a name if that doesn't work. This is the 700127499Sgad * opposite order of what is done in addelem_uid(), but in 701127499Sgad * practice the order would only matter for group-names which 702127499Sgad * are all-numeric. 703127499Sgad */ 704127499Sgad grp = NULL; 705127499Sgad nameorID = "named"; 706127499Sgad errno = 0; 707127602Sgad bigtemp = strtoul(elem, &endp, 10); 708127602Sgad if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) { 709127499Sgad nameorID = "name or ID matches"; 710127602Sgad grp = getgrgid((gid_t)bigtemp); 711127499Sgad } 712127499Sgad if (grp == NULL) 713127499Sgad grp = getgrnam(elem); 714127499Sgad if (grp == NULL) { 715127499Sgad warnx("No %s %s '%s'", inf->lname, nameorID, elem); 716127499Sgad optfatal = 1; 717129967Sgad return (0); 718127499Sgad } 719127499Sgad if (inf->count >= inf->maxcount) 720127499Sgad expand_list(inf); 721127823Sgad inf->l.gids[(inf->count)++] = grp->gr_gid; 722127499Sgad return (1); 723127499Sgad} 724127499Sgad 725127597Sgad#define BSD_PID_MAX 99999 /* Copy of PID_MAX from sys/proc.h. */ 726127499Sgadstatic int 727127499Sgadaddelem_pid(struct listinfo *inf, const char *elem) 728127149Sgad{ 729127539Sgad char *endp; 730127149Sgad long tempid; 731127149Sgad 732129917Sgad if (*elem == '\0') { 733129917Sgad warnx("Invalid (zero-length) process id"); 734129917Sgad optfatal = 1; 735129917Sgad return (0); /* Do not add this value. */ 736127149Sgad } 737127149Sgad 738129952Sgad errno = 0; 739129952Sgad tempid = strtol(elem, &endp, 10); 740129952Sgad if (*endp != '\0' || tempid < 0 || elem == endp) { 741129952Sgad warnx("Invalid %s: %s", inf->lname, elem); 742129952Sgad errno = ERANGE; 743129952Sgad } else if (errno != 0 || tempid > BSD_PID_MAX) { 744129952Sgad warnx("%s too large: %s", inf->lname, elem); 745129952Sgad errno = ERANGE; 746129952Sgad } 747129952Sgad if (errno == ERANGE) { 748129952Sgad optfatal = 1; 749129967Sgad return (0); 750129952Sgad } 751127499Sgad if (inf->count >= inf->maxcount) 752127499Sgad expand_list(inf); 753127823Sgad inf->l.pids[(inf->count)++] = tempid; 754127499Sgad return (1); 755127499Sgad} 756127499Sgad#undef BSD_PID_MAX 757127149Sgad 758131010Sgad/*- 759131010Sgad * The user can specify a device via one of three formats: 760173492Sjhb * 1) fully qualified, e.g.: /dev/ttyp0 /dev/console /dev/pts/0 761173492Sjhb * 2) missing "/dev", e.g.: ttyp0 console pts/0 762173492Sjhb * 3) two-letters, e.g.: p0 co 0 763131010Sgad * (matching letters that would be seen in the "TT" column) 764131010Sgad */ 765127499Sgadstatic int 766127499Sgadaddelem_tty(struct listinfo *inf, const char *elem) 767127499Sgad{ 768127539Sgad const char *ttypath; 769127539Sgad struct stat sb; 770173492Sjhb char pathbuf[PATH_MAX], pathbuf2[PATH_MAX], pathbuf3[PATH_MAX]; 771127499Sgad 772131010Sgad ttypath = NULL; 773131209Sgad pathbuf2[0] = '\0'; 774173492Sjhb pathbuf3[0] = '\0'; 775131010Sgad switch (*elem) { 776131010Sgad case '/': 777127499Sgad ttypath = elem; 778131010Sgad break; 779131010Sgad case 'c': 780131010Sgad if (strcmp(elem, "co") == 0) { 781131010Sgad ttypath = _PATH_CONSOLE; 782131010Sgad break; 783131010Sgad } 784131010Sgad /* FALLTHROUGH */ 785131010Sgad default: 786131010Sgad strlcpy(pathbuf, _PATH_DEV, sizeof(pathbuf)); 787131010Sgad strlcat(pathbuf, elem, sizeof(pathbuf)); 788131010Sgad ttypath = pathbuf; 789131209Sgad if (strncmp(pathbuf, _PATH_TTY, strlen(_PATH_TTY)) == 0) 790131010Sgad break; 791173492Sjhb if (strncmp(pathbuf, _PATH_PTS, strlen(_PATH_PTS)) == 0) 792173492Sjhb break; 793131010Sgad if (strcmp(pathbuf, _PATH_CONSOLE) == 0) 794131010Sgad break; 795131209Sgad /* Check to see if /dev/tty${elem} exists */ 796131209Sgad strlcpy(pathbuf2, _PATH_TTY, sizeof(pathbuf2)); 797131209Sgad strlcat(pathbuf2, elem, sizeof(pathbuf2)); 798131209Sgad if (stat(pathbuf2, &sb) == 0 && S_ISCHR(sb.st_mode)) { 799131010Sgad /* No need to repeat stat() && S_ISCHR() checks */ 800192280Sbrian ttypath = NULL; 801131010Sgad break; 802131010Sgad } 803173492Sjhb /* Check to see if /dev/pts/${elem} exists */ 804173492Sjhb strlcpy(pathbuf3, _PATH_PTS, sizeof(pathbuf3)); 805173492Sjhb strlcat(pathbuf3, elem, sizeof(pathbuf3)); 806173492Sjhb if (stat(pathbuf3, &sb) == 0 && S_ISCHR(sb.st_mode)) { 807173492Sjhb /* No need to repeat stat() && S_ISCHR() checks */ 808192280Sbrian ttypath = NULL; 809173492Sjhb break; 810173492Sjhb } 811131010Sgad break; 812127499Sgad } 813131010Sgad if (ttypath) { 814131010Sgad if (stat(ttypath, &sb) == -1) { 815173492Sjhb if (pathbuf3[0] != '\0') 816173492Sjhb warn("%s, %s, and %s", pathbuf3, pathbuf2, 817173492Sjhb ttypath); 818131209Sgad else 819131209Sgad warn("%s", ttypath); 820131010Sgad optfatal = 1; 821131010Sgad return (0); 822131010Sgad } 823131010Sgad if (!S_ISCHR(sb.st_mode)) { 824173492Sjhb if (pathbuf3[0] != '\0') 825173492Sjhb warnx("%s, %s, and %s: Not a terminal", 826173492Sjhb pathbuf3, pathbuf2, ttypath); 827131209Sgad else 828131209Sgad warnx("%s: Not a terminal", ttypath); 829131010Sgad optfatal = 1; 830131010Sgad return (0); 831131010Sgad } 832127499Sgad } 833127499Sgad if (inf->count >= inf->maxcount) 834127499Sgad expand_list(inf); 835127823Sgad inf->l.ttys[(inf->count)++] = sb.st_rdev; 836127499Sgad return (1); 837127149Sgad} 838127149Sgad 839127499Sgadstatic int 840127499Sgadaddelem_uid(struct listinfo *inf, const char *elem) 84166377Sbrian{ 84266377Sbrian struct passwd *pwd; 843127539Sgad char *endp; 844127602Sgad u_long bigtemp; 84566377Sbrian 846127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 847127499Sgad if (*elem == '\0') 848127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 849127499Sgad else 850127499Sgad warnx("%s name too long: %s", inf->lname, elem); 851127499Sgad optfatal = 1; 852127542Sgad return (0); /* Do not add this value. */ 853127499Sgad } 85466377Sbrian 855127499Sgad pwd = getpwnam(elem); 856127499Sgad if (pwd == NULL) { 857127499Sgad errno = 0; 858127602Sgad bigtemp = strtoul(elem, &endp, 10); 859127602Sgad if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX) 860127499Sgad warnx("No %s named '%s'", inf->lname, elem); 861127499Sgad else { 862127499Sgad /* The string is all digits, so it might be a userID. */ 863127602Sgad pwd = getpwuid((uid_t)bigtemp); 864127499Sgad if (pwd == NULL) 865127499Sgad warnx("No %s name or ID matches '%s'", 866127499Sgad inf->lname, elem); 86766377Sbrian } 868127499Sgad } 869127499Sgad if (pwd == NULL) { 870127509Sgad /* 871127509Sgad * These used to be treated as minor warnings (and the 872127509Sgad * option was simply ignored), but now they are fatal 873127509Sgad * errors (and the command will be aborted). 874127509Sgad */ 875127509Sgad optfatal = 1; 876129967Sgad return (0); 877127499Sgad } 878127499Sgad if (inf->count >= inf->maxcount) 879127499Sgad expand_list(inf); 880127823Sgad inf->l.uids[(inf->count)++] = pwd->pw_uid; 881127499Sgad return (1); 882127499Sgad} 883127499Sgad 884127499Sgadstatic void 885127499Sgadadd_list(struct listinfo *inf, const char *argp) 886127499Sgad{ 887127499Sgad const char *savep; 888127499Sgad char *cp, *endp; 889127499Sgad int toolong; 890127539Sgad char elemcopy[PATH_MAX]; 891127499Sgad 892239883Semaste if (*argp == '\0') 893239883Semaste inf->addelem(inf, argp); 894127499Sgad while (*argp != '\0') { 895127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 896127499Sgad argp++; 897127499Sgad savep = argp; 898127499Sgad toolong = 0; 899127499Sgad cp = elemcopy; 900127499Sgad if (strchr(T_SEP, *argp) == NULL) { 901127499Sgad endp = elemcopy + sizeof(elemcopy) - 1; 902127499Sgad while (*argp != '\0' && cp <= endp && 903127499Sgad strchr(W_SEP T_SEP, *argp) == NULL) 904127499Sgad *cp++ = *argp++; 905127499Sgad if (cp > endp) 906127499Sgad toolong = 1; 90766377Sbrian } 908127499Sgad if (!toolong) { 909127499Sgad *cp = '\0'; 910127542Sgad /* 911129953Sgad * Add this single element to the given list. 912127542Sgad */ 913127499Sgad inf->addelem(inf, elemcopy); 914127499Sgad } else { 915127499Sgad /* 916127499Sgad * The string is too long to copy. Find the end 917127499Sgad * of the string to print out the warning message. 918127499Sgad */ 919127499Sgad while (*argp != '\0' && strchr(W_SEP T_SEP, 920127499Sgad *argp) == NULL) 921127499Sgad argp++; 922127499Sgad warnx("Value too long: %.*s", (int)(argp - savep), 923127499Sgad savep); 924127499Sgad optfatal = 1; 92566377Sbrian } 926127499Sgad /* 927127499Sgad * Skip over any number of trailing whitespace characters, 928127499Sgad * but only one (at most) trailing element-terminating 929127499Sgad * character. 930127499Sgad */ 931127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 932127499Sgad argp++; 933127499Sgad if (*argp != '\0' && strchr(T_SEP, *argp) != NULL) { 934127499Sgad argp++; 935127499Sgad /* Catch case where string ended with a comma. */ 936127499Sgad if (*argp == '\0') 937127499Sgad inf->addelem(inf, argp); 938127499Sgad } 93966377Sbrian } 940127499Sgad} 94166377Sbrian 942192239Sbrianstatic void 943192239Sbriandescendant_sort(KINFO *ki, int items) 944192239Sbrian{ 945192239Sbrian int dst, lvl, maxlvl, n, ndst, nsrc, siblings, src; 946192239Sbrian unsigned char *path; 947192239Sbrian KINFO kn; 948192239Sbrian 949192239Sbrian /* 950192239Sbrian * First, sort the entries by descendancy, tracking the descendancy 951192239Sbrian * depth in the ki_d.level field. 952192239Sbrian */ 953192239Sbrian src = 0; 954192239Sbrian maxlvl = 0; 955192239Sbrian while (src < items) { 956192239Sbrian if (ki[src].ki_d.level) { 957192239Sbrian src++; 958192239Sbrian continue; 959192239Sbrian } 960192239Sbrian for (nsrc = 1; src + nsrc < items; nsrc++) 961192239Sbrian if (!ki[src + nsrc].ki_d.level) 962192239Sbrian break; 963192239Sbrian 964192239Sbrian for (dst = 0; dst < items; dst++) { 965192239Sbrian if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_pid) 966192239Sbrian continue; 967192239Sbrian if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_ppid) 968192239Sbrian break; 969192239Sbrian } 970192239Sbrian 971192239Sbrian if (dst == items) { 972192239Sbrian src += nsrc; 973192239Sbrian continue; 974192239Sbrian } 975192239Sbrian 976192239Sbrian for (ndst = 1; dst + ndst < items; ndst++) 977192239Sbrian if (ki[dst + ndst].ki_d.level <= ki[dst].ki_d.level) 978192239Sbrian break; 979192239Sbrian 980192239Sbrian for (n = src; n < src + nsrc; n++) { 981192239Sbrian ki[n].ki_d.level += ki[dst].ki_d.level + 1; 982192239Sbrian if (maxlvl < ki[n].ki_d.level) 983192239Sbrian maxlvl = ki[n].ki_d.level; 984192239Sbrian } 985192239Sbrian 986192239Sbrian while (nsrc) { 987192239Sbrian if (src < dst) { 988192239Sbrian kn = ki[src]; 989192239Sbrian memmove(ki + src, ki + src + 1, 990192239Sbrian (dst - src + ndst - 1) * sizeof *ki); 991192239Sbrian ki[dst + ndst - 1] = kn; 992192239Sbrian nsrc--; 993192239Sbrian dst--; 994192239Sbrian ndst++; 995192239Sbrian } else if (src != dst + ndst) { 996192239Sbrian kn = ki[src]; 997192239Sbrian memmove(ki + dst + ndst + 1, ki + dst + ndst, 998192239Sbrian (src - dst - ndst) * sizeof *ki); 999192239Sbrian ki[dst + ndst] = kn; 1000192239Sbrian ndst++; 1001192239Sbrian nsrc--; 1002192239Sbrian src++; 1003192239Sbrian } else { 1004192239Sbrian ndst += nsrc; 1005192239Sbrian src += nsrc; 1006192239Sbrian nsrc = 0; 1007192239Sbrian } 1008192239Sbrian } 1009192239Sbrian } 1010192239Sbrian 1011192239Sbrian /* 1012192239Sbrian * Now populate ki_d.prefix (instead of ki_d.level) with the command 1013192239Sbrian * prefix used to show descendancies. 1014192239Sbrian */ 1015192239Sbrian path = malloc((maxlvl + 7) / 8); 1016192239Sbrian memset(path, '\0', (maxlvl + 7) / 8); 1017192239Sbrian for (src = 0; src < items; src++) { 1018192239Sbrian if ((lvl = ki[src].ki_d.level) == 0) { 1019192239Sbrian ki[src].ki_d.prefix = NULL; 1020192239Sbrian continue; 1021192239Sbrian } 1022192239Sbrian if ((ki[src].ki_d.prefix = malloc(lvl * 2 + 1)) == NULL) 1023192239Sbrian errx(1, "malloc failed"); 1024192239Sbrian for (n = 0; n < lvl - 2; n++) { 1025192239Sbrian ki[src].ki_d.prefix[n * 2] = 1026192239Sbrian path[n / 8] & 1 << (n % 8) ? '|' : ' '; 1027192239Sbrian ki[src].ki_d.prefix[n * 2 + 1] = ' '; 1028192239Sbrian } 1029192239Sbrian if (n == lvl - 2) { 1030192239Sbrian /* Have I any more siblings? */ 1031192239Sbrian for (siblings = 0, dst = src + 1; dst < items; dst++) { 1032192239Sbrian if (ki[dst].ki_d.level > lvl) 1033192239Sbrian continue; 1034192239Sbrian if (ki[dst].ki_d.level == lvl) 1035192239Sbrian siblings = 1; 1036192239Sbrian break; 1037192239Sbrian } 1038192239Sbrian if (siblings) 1039192239Sbrian path[n / 8] |= 1 << (n % 8); 1040192239Sbrian else 1041192239Sbrian path[n / 8] &= ~(1 << (n % 8)); 1042192239Sbrian ki[src].ki_d.prefix[n * 2] = siblings ? '|' : '`'; 1043192239Sbrian ki[src].ki_d.prefix[n * 2 + 1] = '-'; 1044192239Sbrian n++; 1045192239Sbrian } 1046192239Sbrian strcpy(ki[src].ki_d.prefix + n * 2, "- "); 1047192239Sbrian } 1048192239Sbrian free(path); 1049192239Sbrian} 1050192239Sbrian 1051127499Sgadstatic void * 1052127499Sgadexpand_list(struct listinfo *inf) 1053127499Sgad{ 1054127539Sgad void *newlist; 1055127499Sgad int newmax; 105666377Sbrian 1057127499Sgad newmax = (inf->maxcount + 1) << 1; 1058127823Sgad newlist = realloc(inf->l.ptr, newmax * inf->elemsize); 1059127499Sgad if (newlist == NULL) { 1060127823Sgad free(inf->l.ptr); 1061129967Sgad errx(1, "realloc to %d %ss failed", newmax, inf->lname); 1062127499Sgad } 1063127499Sgad inf->maxcount = newmax; 1064127823Sgad inf->l.ptr = newlist; 1065127499Sgad 1066127499Sgad return (newlist); 106766377Sbrian} 106866377Sbrian 1069127499Sgadstatic void 1070127499Sgadfree_list(struct listinfo *inf) 1071127499Sgad{ 1072127499Sgad 1073127499Sgad inf->count = inf->elemsize = inf->maxcount = 0; 1074127823Sgad if (inf->l.ptr != NULL) 1075127823Sgad free(inf->l.ptr); 1076127499Sgad inf->addelem = NULL; 1077127499Sgad inf->lname = NULL; 1078127823Sgad inf->l.ptr = NULL; 1079127499Sgad} 1080127499Sgad 1081127499Sgadstatic void 1082127499Sgadinit_list(struct listinfo *inf, addelem_rtn artn, int elemsize, 1083127499Sgad const char *lname) 1084127499Sgad{ 1085127499Sgad 1086127499Sgad inf->count = inf->maxcount = 0; 1087127499Sgad inf->elemsize = elemsize; 1088127499Sgad inf->addelem = artn; 1089127499Sgad inf->lname = lname; 1090127823Sgad inf->l.ptr = NULL; 1091127499Sgad} 1092127499Sgad 1093109502SjmallettVARENT * 1094109502Sjmallettfind_varentry(VAR *v) 1095109502Sjmallett{ 1096109502Sjmallett struct varent *vent; 1097109502Sjmallett 1098130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 1099109502Sjmallett if (strcmp(vent->var->name, v->name) == 0) 1100109502Sjmallett return vent; 1101109502Sjmallett } 1102109502Sjmallett return NULL; 1103109502Sjmallett} 1104109502Sjmallett 11051556Srgrimesstatic void 110690110Simpscanvars(void) 11071556Srgrimes{ 11081556Srgrimes struct varent *vent; 11091556Srgrimes VAR *v; 111025271Sjkh 1111130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 111225271Sjkh v = vent->var; 111325271Sjkh if (v->flag & USER) 111425271Sjkh needuser = 1; 111525271Sjkh if (v->flag & COMM) 111625271Sjkh needcomm = 1; 111725271Sjkh } 111825271Sjkh} 111925271Sjkh 112025271Sjkhstatic void 1121225868Straszformat_output(KINFO *ki) 112225271Sjkh{ 112325271Sjkh struct varent *vent; 112425271Sjkh VAR *v; 1125225868Strasz KINFO_STR *ks; 1126225868Strasz char *str; 1127225868Strasz int len; 11281556Srgrimes 1129225868Strasz STAILQ_INIT(&ki->ki_ks); 1130130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 11311556Srgrimes v = vent->var; 1132225868Strasz str = (v->oproc)(ki, vent); 1133225868Strasz ks = malloc(sizeof(*ks)); 1134225868Strasz if (ks == NULL) 1135225868Strasz errx(1, "malloc failed"); 1136225868Strasz ks->ks_str = str; 1137225868Strasz STAILQ_INSERT_TAIL(&ki->ki_ks, ks, ks_next); 1138225868Strasz if (str != NULL) { 1139225868Strasz len = strlen(str); 1140225868Strasz } else 1141225868Strasz len = 1; /* "-" */ 1142225868Strasz if (v->width < len) 1143225868Strasz v->width = len; 114425271Sjkh } 114525271Sjkh} 114625271Sjkh 114725271Sjkhstatic void 114890110Simpsizevars(void) 114925271Sjkh{ 115025271Sjkh struct varent *vent; 115125271Sjkh VAR *v; 115225271Sjkh int i; 115325271Sjkh 1154130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 115525271Sjkh v = vent->var; 1156109504Sjmallett i = strlen(vent->header); 11571556Srgrimes if (v->width < i) 11581556Srgrimes v->width = i; 11591556Srgrimes } 11601556Srgrimes} 11611556Srgrimes 116290143Smarkmstatic const char * 116390110Simpfmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki, 1164127542Sgad char *comm, int maxlen) 11651556Srgrimes{ 116690143Smarkm const char *s; 11671556Srgrimes 116890143Smarkm s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, maxlen); 11691556Srgrimes return (s); 11701556Srgrimes} 11711556Srgrimes 1172172207Sjeff#define UREADOK(ki) (forceuread || (ki->ki_p->ki_flag & P_INMEM)) 117331552Sdyson 11741556Srgrimesstatic void 117590110Simpsaveuser(KINFO *ki) 11761556Srgrimes{ 11771556Srgrimes 1178172207Sjeff if (ki->ki_p->ki_flag & P_INMEM) { 11791556Srgrimes /* 11801556Srgrimes * The u-area might be swapped out, and we can't get 11811556Srgrimes * at it because we have a crashdump and no swap. 11821556Srgrimes * If it's here fill in these fields, otherwise, just 11831556Srgrimes * leave them 0. 11841556Srgrimes */ 118569896Smckusick ki->ki_valid = 1; 11861556Srgrimes } else 118769896Smckusick ki->ki_valid = 0; 11881556Srgrimes /* 11891556Srgrimes * save arguments if needed 11901556Srgrimes */ 1191130991Sgad if (needcomm) { 1192130991Sgad if (ki->ki_p->ki_stat == SZOMB) 1193130991Sgad ki->ki_args = strdup("<defunct>"); 1194130991Sgad else if (UREADOK(ki) || (ki->ki_p->ki_args != NULL)) 1195130991Sgad ki->ki_args = strdup(fmt(kvm_getargv, ki, 1196130991Sgad ki->ki_p->ki_comm, MAXCOMLEN)); 1197130991Sgad else 1198130991Sgad asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm); 1199131024Sgad if (ki->ki_args == NULL) 1200130991Sgad errx(1, "malloc failed"); 120153276Speter } else { 120253276Speter ki->ki_args = NULL; 120353276Speter } 1204130991Sgad if (needenv) { 1205130991Sgad if (UREADOK(ki)) 1206130991Sgad ki->ki_env = strdup(fmt(kvm_getenvv, ki, 1207130991Sgad (char *)NULL, 0)); 1208130991Sgad else 1209130991Sgad ki->ki_env = strdup("()"); 1210130991Sgad if (ki->ki_env == NULL) 1211130991Sgad errx(1, "malloc failed"); 121253276Speter } else { 121353276Speter ki->ki_env = NULL; 121453276Speter } 12151556Srgrimes} 12161556Srgrimes 1217130816Sgad/* A macro used to improve the readability of pscomp(). */ 1218130816Sgad#define DIFF_RETURN(a, b, field) do { \ 1219130816Sgad if ((a)->field != (b)->field) \ 1220130816Sgad return (((a)->field < (b)->field) ? -1 : 1); \ 1221130816Sgad} while (0) 1222130816Sgad 12231556Srgrimesstatic int 122490110Simppscomp(const void *a, const void *b) 12251556Srgrimes{ 1226127596Sgad const KINFO *ka, *kb; 12271556Srgrimes 1228127596Sgad ka = a; 1229127596Sgad kb = b; 1230127596Sgad /* SORTCPU and SORTMEM are sorted in descending order. */ 1231130816Sgad if (sortby == SORTCPU) 1232130816Sgad DIFF_RETURN(kb, ka, ki_pcpu); 1233130816Sgad if (sortby == SORTMEM) 1234130816Sgad DIFF_RETURN(kb, ka, ki_memsize); 1235127596Sgad /* 1236127596Sgad * TTY's are sorted in ascending order, except that all NODEV 1237127596Sgad * processes come before all processes with a device. 1238127596Sgad */ 1239130816Sgad if (ka->ki_p->ki_tdev != kb->ki_p->ki_tdev) { 1240130816Sgad if (ka->ki_p->ki_tdev == NODEV) 1241130816Sgad return (-1); 1242130816Sgad if (kb->ki_p->ki_tdev == NODEV) 1243130816Sgad return (1); 1244130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_tdev); 1245130816Sgad } 1246130816Sgad 1247130972Sgad /* PID's and TID's (threads) are sorted in ascending order. */ 1248130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_pid); 1249130972Sgad DIFF_RETURN(ka, kb, ki_p->ki_tid); 1250127596Sgad return (0); 12511556Srgrimes} 1252130816Sgad#undef DIFF_RETURN 12531556Srgrimes 12541556Srgrimes/* 12551556Srgrimes * ICK (all for getopt), would rather hide the ugliness 12561556Srgrimes * here than taint the main code. 12571556Srgrimes * 12581556Srgrimes * ps foo -> ps -foo 12591556Srgrimes * ps 34 -> ps -p34 12601556Srgrimes * 12611556Srgrimes * The old convention that 't' with no trailing tty arg means the users 12621556Srgrimes * tty, is only supported if argv[1] doesn't begin with a '-'. This same 12631556Srgrimes * feature is available with the option 'T', which takes no argument. 12641556Srgrimes */ 12651556Srgrimesstatic char * 1266129915Sgadkludge_oldps_options(const char *optlist, char *origval, const char *nextarg) 12671556Srgrimes{ 12681556Srgrimes size_t len; 1269129914Sgad char *argp, *cp, *newopts, *ns, *optp, *pidp; 12701556Srgrimes 1271102886Sjmallett /* 1272129914Sgad * See if the original value includes any option which takes an 1273129914Sgad * argument (and will thus use up the remainder of the string). 1274102886Sjmallett */ 1275129914Sgad argp = NULL; 1276129914Sgad if (optlist != NULL) { 1277129914Sgad for (cp = origval; *cp != '\0'; cp++) { 1278129914Sgad optp = strchr(optlist, *cp); 1279129914Sgad if ((optp != NULL) && *(optp + 1) == ':') { 1280129914Sgad argp = cp; 1281129914Sgad break; 1282129914Sgad } 1283129914Sgad } 1284129914Sgad } 1285129914Sgad if (argp != NULL && *origval == '-') 1286129914Sgad return (origval); 1287102886Sjmallett 12881556Srgrimes /* 12891556Srgrimes * if last letter is a 't' flag with no argument (in the context 12901556Srgrimes * of the oldps options -- option string NOT starting with a '-' -- 12911556Srgrimes * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 129281743Sbrian * 1293129634Sgad * However, if a flag accepting a string argument is found earlier 1294129634Sgad * in the option string (including a possible `t' flag), then the 1295129634Sgad * remainder of the string must be the argument to that flag; so 1296129914Sgad * do not modify that argument. Note that a trailing `t' would 1297129914Sgad * cause argp to be set, if argp was not already set by some 1298129914Sgad * earlier option. 12991556Srgrimes */ 1300129914Sgad len = strlen(origval); 1301129914Sgad cp = origval + len - 1; 1302129914Sgad pidp = NULL; 1303129915Sgad if (*cp == 't' && *origval != '-' && cp == argp) { 1304129915Sgad if (nextarg == NULL || *nextarg == '-' || isdigitch(*nextarg)) 1305129915Sgad *cp = 'T'; 1306129915Sgad } else if (argp == NULL) { 13071556Srgrimes /* 1308129914Sgad * The original value did not include any option which takes 1309129914Sgad * an argument (and that would include `p' and `t'), so check 1310129914Sgad * the value for trailing number, or comma-separated list of 1311129914Sgad * numbers, which we will treat as a pid request. 13121556Srgrimes */ 1313129914Sgad if (isdigitch(*cp)) { 1314129914Sgad while (cp >= origval && (*cp == ',' || isdigitch(*cp))) 1315129914Sgad --cp; 1316129914Sgad pidp = cp + 1; 1317129914Sgad } 13181556Srgrimes } 1319129914Sgad 13201556Srgrimes /* 1321129914Sgad * If nothing needs to be added to the string, then return 1322129914Sgad * the "original" (although possibly modified) value. 13231556Srgrimes */ 1324129914Sgad if (*origval == '-' && pidp == NULL) 1325129914Sgad return (origval); 1326129914Sgad 1327129914Sgad /* 1328129914Sgad * Create a copy of the string to add '-' and/or 'p' to the 1329129914Sgad * original value. 1330129914Sgad */ 1331129914Sgad if ((newopts = ns = malloc(len + 3)) == NULL) 1332129914Sgad errx(1, "malloc failed"); 1333129914Sgad 1334129914Sgad if (*origval != '-') 1335129914Sgad *ns++ = '-'; /* add option flag */ 1336129914Sgad 1337129914Sgad if (pidp == NULL) 1338129914Sgad strcpy(ns, origval); 1339129914Sgad else { 1340129914Sgad /* 1341129914Sgad * Copy everything before the pid string, add the `p', 1342129914Sgad * and then copy the pid string. 1343129914Sgad */ 1344129914Sgad len = pidp - origval; 1345129914Sgad memcpy(ns, origval, len); 1346129914Sgad ns += len; 13471556Srgrimes *ns++ = 'p'; 1348129914Sgad strcpy(ns, pidp); 1349129914Sgad } 13501556Srgrimes 13511556Srgrimes return (newopts); 13521556Srgrimes} 13531556Srgrimes 13541556Srgrimesstatic void 135590110Simpusage(void) 13561556Srgrimes{ 1357195830Sbrian#define SINGLE_OPTS "[-aCcde" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 13581556Srgrimes 1359127499Sgad (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 1360141578Sru "usage: ps " SINGLE_OPTS " [-O fmt | -o fmt] [-G gid[,gid...]]", 1361127499Sgad " [-M core] [-N system]", 1362141578Sru " [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]]", 136326465Scharnier " ps [-L]"); 13641556Srgrimes exit(1); 13651556Srgrimes} 1366