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("$FreeBSD$"); 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. */ 112244154Spjdstatic int pid_max; /* kern.max_pid */ 1131556Srgrimes 114127537Sgadstatic enum sort { DEFAULT, SORTMEM, SORTCPU } sortby = DEFAULT; 11597966Sjmallett 116127499Sgadstruct listinfo; 117127537Sgadtypedef int addelem_rtn(struct listinfo *_inf, const char *_elem); 118127499Sgad 119127499Sgadstruct listinfo { 120127499Sgad int count; 121127499Sgad int maxcount; 122127499Sgad int elemsize; 123127499Sgad addelem_rtn *addelem; 124127499Sgad const char *lname; 125127499Sgad union { 126127499Sgad gid_t *gids; 127127499Sgad pid_t *pids; 128127499Sgad dev_t *ttys; 129127499Sgad uid_t *uids; 130127499Sgad void *ptr; 131127823Sgad } l; 132127499Sgad}; 133127499Sgad 134127499Sgadstatic int addelem_gid(struct listinfo *, const char *); 135127499Sgadstatic int addelem_pid(struct listinfo *, const char *); 136127499Sgadstatic int addelem_tty(struct listinfo *, const char *); 137127499Sgadstatic int addelem_uid(struct listinfo *, const char *); 138127499Sgadstatic void add_list(struct listinfo *, const char *); 139192239Sbrianstatic void descendant_sort(KINFO *, int); 140225868Straszstatic void format_output(KINFO *); 141127499Sgadstatic void *expand_list(struct listinfo *); 142127598Sgadstatic const char * 143127598Sgad fmt(char **(*)(kvm_t *, const struct kinfo_proc *, int), 144245610Sjhb KINFO *, char *, char *, int); 145127499Sgadstatic void free_list(struct listinfo *); 146127499Sgadstatic void init_list(struct listinfo *, addelem_rtn, int, const char *); 147129952Sgadstatic char *kludge_oldps_options(const char *, char *, const char *); 148127536Sgadstatic int pscomp(const void *, const void *); 149127536Sgadstatic void saveuser(KINFO *); 150127536Sgadstatic void scanvars(void); 151127536Sgadstatic void sizevars(void); 152244154Spjdstatic void pidmax_init(void); 153127536Sgadstatic void usage(void); 154127499Sgad 15597875Sjmallettstatic char dfmt[] = "pid,tt,state,time,command"; 156129635Sgadstatic char jfmt[] = "user,pid,ppid,pgid,sid,jobc,state,tt,time,command"; 157127538Sgadstatic char lfmt[] = "uid,pid,ppid,cpu,pri,nice,vsz,rss,mwchan,state," 158127538Sgad "tt,time,command"; 15990143Smarkmstatic char o1[] = "pid"; 16097875Sjmallettstatic char o2[] = "tt,state,time,command"; 16197875Sjmallettstatic char ufmt[] = "user,pid,%cpu,%mem,vsz,rss,tt,state,start,time,command"; 162127538Sgadstatic char vfmt[] = "pid,state,time,sl,re,pagein,vsz,rss,lim,tsiz," 163127538Sgad "%cpu,%mem,command"; 164105831Srwatsonstatic char Zfmt[] = "label"; 1651556Srgrimes 166192239Sbrian#define PS_ARGS "AaCcde" OPT_LAZY_f "G:gHhjLlM:mN:O:o:p:rSTt:U:uvwXxZ" 16798494Ssobomax 1681556Srgrimesint 16990110Simpmain(int argc, char *argv[]) 1701556Srgrimes{ 171127499Sgad struct listinfo gidlist, pgrplist, pidlist; 172127499Sgad struct listinfo ruidlist, sesslist, ttylist, uidlist; 1731556Srgrimes struct kinfo_proc *kp; 174225868Strasz KINFO *kinfo = NULL, *next_KINFO; 175225868Strasz KINFO_STR *ks; 1761556Srgrimes struct varent *vent; 1771556Srgrimes struct winsize ws; 178225868Strasz const char *nlistf, *memf, *fmtstr, *str; 179127539Sgad char *cols; 180225868Strasz int all, ch, elem, flag, _fmt, i, lineno, linelen, left; 181192239Sbrian int descendancy, nentries, nkept, nselectors; 182173004Sjulian int prtheader, wflag, what, xkeep, xkeep_implied; 18390143Smarkm char errbuf[_POSIX2_LINE_MAX]; 1841556Srgrimes 18511809Sache (void) setlocale(LC_ALL, ""); 186127542Sgad time(&now); /* Used by routines in print.c. */ 18711809Sache 18897804Stjr if ((cols = getenv("COLUMNS")) != NULL && *cols != '\0') 18997804Stjr termwidth = atoi(cols); 19097804Stjr else if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1911556Srgrimes ioctl(STDERR_FILENO, TIOCGWINSZ, (char *)&ws) == -1 && 1921556Srgrimes ioctl(STDIN_FILENO, TIOCGWINSZ, (char *)&ws) == -1) || 1931556Srgrimes ws.ws_col == 0) 1941556Srgrimes termwidth = 79; 1951556Srgrimes else 1961556Srgrimes termwidth = ws.ws_col - 1; 1971556Srgrimes 19898494Ssobomax /* 199129914Sgad * Hide a number of option-processing kludges in a separate routine, 200129914Sgad * to support some historical BSD behaviors, such as `ps axu'. 20198494Ssobomax */ 202129914Sgad if (argc > 1) 203129915Sgad argv[1] = kludge_oldps_options(PS_ARGS, argv[1], argv[2]); 2041556Srgrimes 205244154Spjd pidmax_init(); 206244154Spjd 207192239Sbrian all = descendancy = _fmt = nselectors = optfatal = 0; 208127542Sgad prtheader = showthreads = wflag = xkeep_implied = 0; 209127542Sgad xkeep = -1; /* Neither -x nor -X. */ 210127499Sgad init_list(&gidlist, addelem_gid, sizeof(gid_t), "group"); 211127499Sgad init_list(&pgrplist, addelem_pid, sizeof(pid_t), "process group"); 212127499Sgad init_list(&pidlist, addelem_pid, sizeof(pid_t), "process id"); 213127499Sgad init_list(&ruidlist, addelem_uid, sizeof(uid_t), "ruser"); 214127499Sgad init_list(&sesslist, addelem_pid, sizeof(pid_t), "session id"); 215127499Sgad init_list(&ttylist, addelem_tty, sizeof(dev_t), "tty"); 216127499Sgad init_list(&uidlist, addelem_uid, sizeof(uid_t), "user"); 217203688Sbrucec memf = _PATH_DEVNULL; 218203688Sbrucec nlistf = NULL; 21998494Ssobomax while ((ch = getopt(argc, argv, PS_ARGS)) != -1) 220180596Skevlo switch (ch) { 221127499Sgad case 'A': 222127499Sgad /* 223127499Sgad * Exactly the same as `-ax'. This has been 224222178Suqs * added for compatibility with SUSv3, but for 225127499Sgad * now it will not be described in the man page. 226127499Sgad */ 227127499Sgad nselectors++; 228127499Sgad all = xkeep = 1; 229127499Sgad break; 2301556Srgrimes case 'a': 231127499Sgad nselectors++; 2321556Srgrimes all = 1; 2331556Srgrimes break; 23419068Speter case 'C': 23519068Speter rawcpu = 1; 23619068Speter break; 23719068Speter case 'c': 23819068Speter cflag = 1; 23919068Speter break; 240192239Sbrian case 'd': 241192239Sbrian descendancy = 1; 242192239Sbrian break; 2431556Srgrimes case 'e': /* XXX set ufmt */ 2441556Srgrimes needenv = 1; 2451556Srgrimes break; 246127506Sgad#ifdef LAZY_PS 247127506Sgad case 'f': 248127506Sgad if (getuid() == 0 || getgid() == 0) 249127542Sgad forceuread = 1; 250127506Sgad break; 251127506Sgad#endif 252127499Sgad case 'G': 253127499Sgad add_list(&gidlist, optarg); 254127499Sgad xkeep_implied = 1; 255127499Sgad nselectors++; 256127499Sgad break; 257127542Sgad case 'g': 258127499Sgad#if 0 259127597Sgad /*- 260127542Sgad * XXX - This SUSv3 behavior is still under debate 261127542Sgad * since it conflicts with the (undocumented) 262127542Sgad * `-g' option. So we skip it for now. 263127542Sgad */ 264127499Sgad add_list(&pgrplist, optarg); 265127499Sgad xkeep_implied = 1; 266127499Sgad nselectors++; 267127499Sgad break; 268127499Sgad#else 269127542Sgad /* The historical BSD-ish (from SunOS) behavior. */ 2701556Srgrimes break; /* no-op */ 271127499Sgad#endif 272116265Sscottl case 'H': 273126127Sdeischen showthreads = KERN_PROC_INC_THREAD; 274116265Sscottl break; 2751556Srgrimes case 'h': 2761556Srgrimes prtheader = ws.ws_row > 5 ? ws.ws_row : 22; 2771556Srgrimes break; 2781556Srgrimes case 'j': 279109502Sjmallett parsefmt(jfmt, 0); 28090143Smarkm _fmt = 1; 2811556Srgrimes jfmt[0] = '\0'; 2821556Srgrimes break; 2831556Srgrimes case 'L': 2841556Srgrimes showkey(); 2851556Srgrimes exit(0); 2861556Srgrimes case 'l': 287109502Sjmallett parsefmt(lfmt, 0); 28890143Smarkm _fmt = 1; 2891556Srgrimes lfmt[0] = '\0'; 2901556Srgrimes break; 2911556Srgrimes case 'M': 2921556Srgrimes memf = optarg; 2931556Srgrimes break; 2941556Srgrimes case 'm': 2951556Srgrimes sortby = SORTMEM; 2961556Srgrimes break; 2971556Srgrimes case 'N': 2981556Srgrimes nlistf = optarg; 2991556Srgrimes break; 3001556Srgrimes case 'O': 301109502Sjmallett parsefmt(o1, 1); 302109502Sjmallett parsefmt(optarg, 1); 303109502Sjmallett parsefmt(o2, 1); 3041556Srgrimes o1[0] = o2[0] = '\0'; 30590143Smarkm _fmt = 1; 3061556Srgrimes break; 3071556Srgrimes case 'o': 308109502Sjmallett parsefmt(optarg, 1); 30990143Smarkm _fmt = 1; 3101556Srgrimes break; 3111556Srgrimes case 'p': 312127499Sgad add_list(&pidlist, optarg); 313127499Sgad /* 314127499Sgad * Note: `-p' does not *set* xkeep, but any values 315127499Sgad * from pidlist are checked before xkeep is. That 316127499Sgad * way they are always matched, even if the user 317127499Sgad * specifies `-X'. 318127499Sgad */ 319127499Sgad nselectors++; 3201556Srgrimes break; 321127499Sgad#if 0 322127499Sgad case 'R': 323127597Sgad /*- 324127542Sgad * XXX - This un-standard option is still under 325127542Sgad * debate. This is what SUSv3 defines as 326127542Sgad * the `-U' option, and while it would be 327127542Sgad * nice to have, it could cause even more 328127542Sgad * confusion to implement it as `-R'. 329127542Sgad */ 330127499Sgad add_list(&ruidlist, optarg); 331127499Sgad xkeep_implied = 1; 332127499Sgad nselectors++; 333127499Sgad break; 334127499Sgad#endif 3351556Srgrimes case 'r': 3361556Srgrimes sortby = SORTCPU; 3371556Srgrimes break; 3381556Srgrimes case 'S': 3391556Srgrimes sumrusage = 1; 3401556Srgrimes break; 341127499Sgad#if 0 342127499Sgad case 's': 343127597Sgad /*- 344127542Sgad * XXX - This non-standard option is still under 345127542Sgad * debate. This *is* supported on Solaris, 346127542Sgad * Linux, and IRIX, but conflicts with `-s' 347127542Sgad * on NetBSD and maybe some older BSD's. 348127542Sgad */ 349127499Sgad add_list(&sesslist, optarg); 350127499Sgad xkeep_implied = 1; 351127499Sgad nselectors++; 352127499Sgad break; 353127499Sgad#endif 3541556Srgrimes case 'T': 3551556Srgrimes if ((optarg = ttyname(STDIN_FILENO)) == NULL) 3561556Srgrimes errx(1, "stdin: not a terminal"); 3571556Srgrimes /* FALLTHROUGH */ 358127499Sgad case 't': 359127499Sgad add_list(&ttylist, optarg); 360127499Sgad xkeep_implied = 1; 361127499Sgad nselectors++; 3621556Srgrimes break; 36313020Speter case 'U': 364127499Sgad /* This is what SUSv3 defines as the `-u' option. */ 365127499Sgad add_list(&uidlist, optarg); 366127499Sgad xkeep_implied = 1; 367127499Sgad nselectors++; 36813020Speter break; 3691556Srgrimes case 'u': 370109502Sjmallett parsefmt(ufmt, 0); 3711556Srgrimes sortby = SORTCPU; 37290143Smarkm _fmt = 1; 3731556Srgrimes ufmt[0] = '\0'; 3741556Srgrimes break; 3751556Srgrimes case 'v': 376109502Sjmallett parsefmt(vfmt, 0); 3771556Srgrimes sortby = SORTMEM; 37890143Smarkm _fmt = 1; 3791556Srgrimes vfmt[0] = '\0'; 3801556Srgrimes break; 3811556Srgrimes case 'w': 3821556Srgrimes if (wflag) 3831556Srgrimes termwidth = UNLIMITED; 3841556Srgrimes else if (termwidth < 131) 3851556Srgrimes termwidth = 131; 3861556Srgrimes wflag++; 3871556Srgrimes break; 388127499Sgad case 'X': 389127499Sgad /* 390127499Sgad * Note that `-X' and `-x' are not standard "selector" 391127499Sgad * options. For most selector-options, we check *all* 392127499Sgad * processes to see if any are matched by the given 393127499Sgad * value(s). After we have a set of all the matched 394127499Sgad * processes, then `-X' and `-x' govern whether we 395127499Sgad * modify that *matched* set for processes which do 396127499Sgad * not have a controlling terminal. `-X' causes 397127499Sgad * those processes to be deleted from the matched 398127499Sgad * set, while `-x' causes them to be kept. 399127499Sgad */ 400127499Sgad xkeep = 0; 401127499Sgad break; 4021556Srgrimes case 'x': 403127499Sgad xkeep = 1; 4041556Srgrimes break; 40586922Sgreen case 'Z': 406109502Sjmallett parsefmt(Zfmt, 0); 40786922Sgreen Zfmt[0] = '\0'; 40886922Sgreen break; 4091556Srgrimes case '?': 4101556Srgrimes default: 4111556Srgrimes usage(); 4121556Srgrimes } 4131556Srgrimes argc -= optind; 4141556Srgrimes argv += optind; 415129914Sgad 416129914Sgad /* 417129914Sgad * If there arguments after processing all the options, attempt 418129914Sgad * to treat them as a list of process ids. 419129914Sgad */ 420129914Sgad while (*argv) { 421129914Sgad if (!isdigitch(**argv)) 422129914Sgad break; 423129914Sgad add_list(&pidlist, *argv); 424129914Sgad argv++; 425129914Sgad } 426129914Sgad if (*argv) { 427129914Sgad fprintf(stderr, "%s: illegal argument: %s\n", 428129914Sgad getprogname(), *argv); 429129914Sgad usage(); 430129914Sgad } 431127499Sgad if (optfatal) 432127542Sgad exit(1); /* Error messages already printed. */ 433127542Sgad if (xkeep < 0) /* Neither -X nor -x was specified. */ 434127499Sgad xkeep = xkeep_implied; 435127499Sgad 43689909Sru kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf); 4371556Srgrimes if (kd == 0) 4381556Srgrimes errx(1, "%s", errbuf); 4391556Srgrimes 44090143Smarkm if (!_fmt) 441109502Sjmallett parsefmt(dfmt, 0); 4421556Srgrimes 443127499Sgad if (nselectors == 0) { 444127823Sgad uidlist.l.ptr = malloc(sizeof(uid_t)); 445127823Sgad if (uidlist.l.ptr == NULL) 44697877Sjmallett errx(1, "malloc failed"); 447127499Sgad nselectors = 1; 448127499Sgad uidlist.count = uidlist.maxcount = 1; 449127823Sgad *uidlist.l.uids = getuid(); 45066377Sbrian } 4511556Srgrimes 4521556Srgrimes /* 4531556Srgrimes * scan requested variables, noting what structures are needed, 45453170Skris * and adjusting header widths as appropriate. 4551556Srgrimes */ 4561556Srgrimes scanvars(); 457127499Sgad 4581556Srgrimes /* 459127499Sgad * Get process list. If the user requested just one selector- 460127499Sgad * option, then kvm_getprocs can be asked to return just those 461127499Sgad * processes. Otherwise, have it return all processes, and 462127499Sgad * then this routine will search that full list and select the 463127499Sgad * processes which match any of the user's selector-options. 4641556Srgrimes */ 465127499Sgad what = showthreads != 0 ? KERN_PROC_ALL : KERN_PROC_PROC; 466127499Sgad flag = 0; 467127499Sgad if (nselectors == 1) { 468129600Sgad if (gidlist.count == 1) { 469129600Sgad what = KERN_PROC_RGID | showthreads; 470129600Sgad flag = *gidlist.l.gids; 471129600Sgad nselectors = 0; 472129600Sgad } else if (pgrplist.count == 1) { 473127499Sgad what = KERN_PROC_PGRP | showthreads; 474127823Sgad flag = *pgrplist.l.pids; 475127499Sgad nselectors = 0; 476127499Sgad } else if (pidlist.count == 1) { 477127499Sgad what = KERN_PROC_PID | showthreads; 478127823Sgad flag = *pidlist.l.pids; 479127499Sgad nselectors = 0; 480127499Sgad } else if (ruidlist.count == 1) { 481127499Sgad what = KERN_PROC_RUID | showthreads; 482127823Sgad flag = *ruidlist.l.uids; 483127499Sgad nselectors = 0; 484127499Sgad } else if (sesslist.count == 1) { 485127499Sgad what = KERN_PROC_SESSION | showthreads; 486127823Sgad flag = *sesslist.l.pids; 487127499Sgad nselectors = 0; 488127499Sgad } else if (ttylist.count == 1) { 489127499Sgad what = KERN_PROC_TTY | showthreads; 490127823Sgad flag = *ttylist.l.ttys; 491127499Sgad nselectors = 0; 492127499Sgad } else if (uidlist.count == 1) { 493127499Sgad what = KERN_PROC_UID | showthreads; 494127823Sgad flag = *uidlist.l.uids; 495127499Sgad nselectors = 0; 496127499Sgad } else if (all) { 497127499Sgad /* No need for this routine to select processes. */ 498127499Sgad nselectors = 0; 499127499Sgad } 5001556Srgrimes } 501126127Sdeischen 5021556Srgrimes /* 5031556Srgrimes * select procs 5041556Srgrimes */ 505127499Sgad nentries = -1; 506127149Sgad kp = kvm_getprocs(kd, what, flag, &nentries); 507127544Sgad if ((kp == NULL && nentries > 0) || (kp != NULL && nentries < 0)) 5081556Srgrimes errx(1, "%s", kvm_geterr(kd)); 509127499Sgad nkept = 0; 510127149Sgad if (nentries > 0) { 511127149Sgad if ((kinfo = malloc(nentries * sizeof(*kinfo))) == NULL) 512127149Sgad errx(1, "malloc failed"); 513127149Sgad for (i = nentries; --i >= 0; ++kp) { 514127499Sgad /* 515127499Sgad * If the user specified multiple selection-criteria, 516127499Sgad * then keep any process matched by the inclusive OR 517127499Sgad * of all the selection-criteria given. 518127499Sgad */ 519127499Sgad if (pidlist.count > 0) { 520127499Sgad for (elem = 0; elem < pidlist.count; elem++) 521127823Sgad if (kp->ki_pid == pidlist.l.pids[elem]) 522127499Sgad goto keepit; 523127499Sgad } 524127499Sgad /* 525127499Sgad * Note that we had to process pidlist before 526127499Sgad * filtering out processes which do not have 527127499Sgad * a controlling terminal. 528127499Sgad */ 529127499Sgad if (xkeep == 0) { 530127499Sgad if ((kp->ki_tdev == NODEV || 531127499Sgad (kp->ki_flag & P_CONTROLT) == 0)) 532127499Sgad continue; 533127499Sgad } 534127499Sgad if (nselectors == 0) 535127499Sgad goto keepit; 536127499Sgad if (gidlist.count > 0) { 537127499Sgad for (elem = 0; elem < gidlist.count; elem++) 538127823Sgad if (kp->ki_rgid == gidlist.l.gids[elem]) 539127499Sgad goto keepit; 540127499Sgad } 541127499Sgad if (pgrplist.count > 0) { 542127499Sgad for (elem = 0; elem < pgrplist.count; elem++) 543127823Sgad if (kp->ki_pgid == 544127823Sgad pgrplist.l.pids[elem]) 545127499Sgad goto keepit; 546127499Sgad } 547127499Sgad if (ruidlist.count > 0) { 548127499Sgad for (elem = 0; elem < ruidlist.count; elem++) 549127823Sgad if (kp->ki_ruid == 550127823Sgad ruidlist.l.uids[elem]) 551127499Sgad goto keepit; 552127499Sgad } 553127499Sgad if (sesslist.count > 0) { 554127499Sgad for (elem = 0; elem < sesslist.count; elem++) 555127823Sgad if (kp->ki_sid == sesslist.l.pids[elem]) 556127499Sgad goto keepit; 557127499Sgad } 558127499Sgad if (ttylist.count > 0) { 559127499Sgad for (elem = 0; elem < ttylist.count; elem++) 560127823Sgad if (kp->ki_tdev == ttylist.l.ttys[elem]) 561127499Sgad goto keepit; 562127499Sgad } 563127499Sgad if (uidlist.count > 0) { 564127499Sgad for (elem = 0; elem < uidlist.count; elem++) 565127823Sgad if (kp->ki_uid == uidlist.l.uids[elem]) 566127499Sgad goto keepit; 567127499Sgad } 568127499Sgad /* 569127499Sgad * This process did not match any of the user's 570127499Sgad * selector-options, so skip the process. 571127499Sgad */ 572127499Sgad continue; 573127499Sgad 574127499Sgad keepit: 575130816Sgad next_KINFO = &kinfo[nkept]; 576130816Sgad next_KINFO->ki_p = kp; 577192239Sbrian next_KINFO->ki_d.level = 0; 578192239Sbrian next_KINFO->ki_d.prefix = NULL; 579130816Sgad next_KINFO->ki_pcpu = getpcpu(next_KINFO); 580130816Sgad if (sortby == SORTMEM) 581130816Sgad next_KINFO->ki_memsize = kp->ki_tsize + 582130816Sgad kp->ki_dsize + kp->ki_ssize; 583127149Sgad if (needuser) 584130816Sgad saveuser(next_KINFO); 585127499Sgad nkept++; 586127149Sgad } 5871556Srgrimes } 58825271Sjkh 58925271Sjkh sizevars(); 59025271Sjkh 591225868Strasz if (nkept == 0) { 592225868Strasz printheader(); 59362803Swill exit(1); 594225868Strasz } 595127499Sgad 5961556Srgrimes /* 5971556Srgrimes * sort proc list 5981556Srgrimes */ 599127499Sgad qsort(kinfo, nkept, sizeof(KINFO), pscomp); 600192239Sbrian 6011556Srgrimes /* 602192239Sbrian * We want things in descendant order 603192239Sbrian */ 604192239Sbrian if (descendancy) 605192239Sbrian descendant_sort(kinfo, nkept); 606192239Sbrian 607225868Strasz 608192239Sbrian /* 609225868Strasz * Prepare formatted output. 6101556Srgrimes */ 611225868Strasz for (i = 0; i < nkept; i++) 612225868Strasz format_output(&kinfo[i]); 613225868Strasz 614225868Strasz /* 615225868Strasz * Print header. 616225868Strasz */ 617225868Strasz printheader(); 618225868Strasz 619225868Strasz /* 620225868Strasz * Output formatted lines. 621225868Strasz */ 622127499Sgad for (i = lineno = 0; i < nkept; i++) { 623225868Strasz linelen = 0; 624130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 625225868Strasz if (vent->var->flag & LJUST) 626225868Strasz fmtstr = "%-*s"; 627225868Strasz else 628225868Strasz fmtstr = "%*s"; 629225868Strasz 630225868Strasz ks = STAILQ_FIRST(&kinfo[i].ki_ks); 631225868Strasz STAILQ_REMOVE_HEAD(&kinfo[i].ki_ks, ks_next); 632229782Suqs /* Truncate rightmost column if necessary. */ 633225868Strasz if (STAILQ_NEXT(vent, next_ve) == NULL && 634225868Strasz termwidth != UNLIMITED && ks->ks_str != NULL) { 635225868Strasz left = termwidth - linelen; 636225868Strasz if (left > 0 && left < (int)strlen(ks->ks_str)) 637225868Strasz ks->ks_str[left] = '\0'; 638225868Strasz } 639225868Strasz str = ks->ks_str; 640225868Strasz if (str == NULL) 641225868Strasz str = "-"; 642225868Strasz /* No padding for the last column, if it's LJUST. */ 643225868Strasz if (STAILQ_NEXT(vent, next_ve) == NULL && 644225868Strasz vent->var->flag & LJUST) 645225868Strasz linelen += printf(fmtstr, 0, str); 646225868Strasz else 647225868Strasz linelen += printf(fmtstr, vent->var->width, str); 648225868Strasz 649225868Strasz if (ks->ks_str != NULL) { 650225868Strasz free(ks->ks_str); 651225868Strasz ks->ks_str = NULL; 652225868Strasz } 653225868Strasz free(ks); 654225868Strasz ks = NULL; 655225868Strasz 656225868Strasz if (STAILQ_NEXT(vent, next_ve) != NULL) { 6571556Srgrimes (void)putchar(' '); 658225868Strasz linelen++; 659225868Strasz } 6601556Srgrimes } 6611556Srgrimes (void)putchar('\n'); 6621556Srgrimes if (prtheader && lineno++ == prtheader - 4) { 6631556Srgrimes (void)putchar('\n'); 6641556Srgrimes printheader(); 6651556Srgrimes lineno = 0; 6661556Srgrimes } 6671556Srgrimes } 668127499Sgad free_list(&gidlist); 669127499Sgad free_list(&pidlist); 670127499Sgad free_list(&pgrplist); 671127499Sgad free_list(&ruidlist); 672127499Sgad free_list(&sesslist); 673127499Sgad free_list(&ttylist); 674127499Sgad free_list(&uidlist); 675192239Sbrian for (i = 0; i < nkept; i++) 676192239Sbrian free(kinfo[i].ki_d.prefix); 677192239Sbrian free(kinfo); 67866377Sbrian 6791556Srgrimes exit(eval); 6801556Srgrimes} 6811556Srgrimes 682127499Sgadstatic int 683127499Sgadaddelem_gid(struct listinfo *inf, const char *elem) 684127499Sgad{ 685127499Sgad struct group *grp; 686127499Sgad const char *nameorID; 687127499Sgad char *endp; 688127602Sgad u_long bigtemp; 689127499Sgad 690127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 691127499Sgad if (*elem == '\0') 692127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 693127499Sgad else 694127499Sgad warnx("%s name too long: %s", inf->lname, elem); 695127499Sgad optfatal = 1; 696127542Sgad return (0); /* Do not add this value. */ 697127499Sgad } 698127499Sgad 699127499Sgad /* 700127499Sgad * SUSv3 states that `ps -G grouplist' should match "real-group 701127499Sgad * ID numbers", and does not mention group-names. I do want to 702127499Sgad * also support group-names, so this tries for a group-id first, 703127499Sgad * and only tries for a name if that doesn't work. This is the 704127499Sgad * opposite order of what is done in addelem_uid(), but in 705127499Sgad * practice the order would only matter for group-names which 706127499Sgad * are all-numeric. 707127499Sgad */ 708127499Sgad grp = NULL; 709127499Sgad nameorID = "named"; 710127499Sgad errno = 0; 711127602Sgad bigtemp = strtoul(elem, &endp, 10); 712127602Sgad if (errno == 0 && *endp == '\0' && bigtemp <= GID_MAX) { 713127499Sgad nameorID = "name or ID matches"; 714127602Sgad grp = getgrgid((gid_t)bigtemp); 715127499Sgad } 716127499Sgad if (grp == NULL) 717127499Sgad grp = getgrnam(elem); 718127499Sgad if (grp == NULL) { 719127499Sgad warnx("No %s %s '%s'", inf->lname, nameorID, elem); 720127499Sgad optfatal = 1; 721129967Sgad return (0); 722127499Sgad } 723127499Sgad if (inf->count >= inf->maxcount) 724127499Sgad expand_list(inf); 725127823Sgad inf->l.gids[(inf->count)++] = grp->gr_gid; 726127499Sgad return (1); 727127499Sgad} 728127499Sgad 729127499Sgadstatic int 730127499Sgadaddelem_pid(struct listinfo *inf, const char *elem) 731127149Sgad{ 732127539Sgad char *endp; 733127149Sgad long tempid; 734127149Sgad 735129917Sgad if (*elem == '\0') { 736129917Sgad warnx("Invalid (zero-length) process id"); 737129917Sgad optfatal = 1; 738129917Sgad return (0); /* Do not add this value. */ 739127149Sgad } 740127149Sgad 741129952Sgad errno = 0; 742129952Sgad tempid = strtol(elem, &endp, 10); 743129952Sgad if (*endp != '\0' || tempid < 0 || elem == endp) { 744129952Sgad warnx("Invalid %s: %s", inf->lname, elem); 745129952Sgad errno = ERANGE; 746244154Spjd } else if (errno != 0 || tempid > pid_max) { 747129952Sgad warnx("%s too large: %s", inf->lname, elem); 748129952Sgad errno = ERANGE; 749129952Sgad } 750129952Sgad if (errno == ERANGE) { 751129952Sgad optfatal = 1; 752129967Sgad return (0); 753129952Sgad } 754127499Sgad if (inf->count >= inf->maxcount) 755127499Sgad expand_list(inf); 756127823Sgad inf->l.pids[(inf->count)++] = tempid; 757127499Sgad return (1); 758127499Sgad} 759127149Sgad 760131010Sgad/*- 761131010Sgad * The user can specify a device via one of three formats: 762173492Sjhb * 1) fully qualified, e.g.: /dev/ttyp0 /dev/console /dev/pts/0 763173492Sjhb * 2) missing "/dev", e.g.: ttyp0 console pts/0 764173492Sjhb * 3) two-letters, e.g.: p0 co 0 765131010Sgad * (matching letters that would be seen in the "TT" column) 766131010Sgad */ 767127499Sgadstatic int 768127499Sgadaddelem_tty(struct listinfo *inf, const char *elem) 769127499Sgad{ 770127539Sgad const char *ttypath; 771127539Sgad struct stat sb; 772173492Sjhb char pathbuf[PATH_MAX], pathbuf2[PATH_MAX], pathbuf3[PATH_MAX]; 773127499Sgad 774131010Sgad ttypath = NULL; 775131209Sgad pathbuf2[0] = '\0'; 776173492Sjhb pathbuf3[0] = '\0'; 777131010Sgad switch (*elem) { 778131010Sgad case '/': 779127499Sgad ttypath = elem; 780131010Sgad break; 781131010Sgad case 'c': 782131010Sgad if (strcmp(elem, "co") == 0) { 783131010Sgad ttypath = _PATH_CONSOLE; 784131010Sgad break; 785131010Sgad } 786131010Sgad /* FALLTHROUGH */ 787131010Sgad default: 788131010Sgad strlcpy(pathbuf, _PATH_DEV, sizeof(pathbuf)); 789131010Sgad strlcat(pathbuf, elem, sizeof(pathbuf)); 790131010Sgad ttypath = pathbuf; 791131209Sgad if (strncmp(pathbuf, _PATH_TTY, strlen(_PATH_TTY)) == 0) 792131010Sgad break; 793173492Sjhb if (strncmp(pathbuf, _PATH_PTS, strlen(_PATH_PTS)) == 0) 794173492Sjhb break; 795131010Sgad if (strcmp(pathbuf, _PATH_CONSOLE) == 0) 796131010Sgad break; 797131209Sgad /* Check to see if /dev/tty${elem} exists */ 798131209Sgad strlcpy(pathbuf2, _PATH_TTY, sizeof(pathbuf2)); 799131209Sgad strlcat(pathbuf2, elem, sizeof(pathbuf2)); 800131209Sgad if (stat(pathbuf2, &sb) == 0 && S_ISCHR(sb.st_mode)) { 801131010Sgad /* No need to repeat stat() && S_ISCHR() checks */ 802192280Sbrian ttypath = NULL; 803131010Sgad break; 804131010Sgad } 805173492Sjhb /* Check to see if /dev/pts/${elem} exists */ 806173492Sjhb strlcpy(pathbuf3, _PATH_PTS, sizeof(pathbuf3)); 807173492Sjhb strlcat(pathbuf3, elem, sizeof(pathbuf3)); 808173492Sjhb if (stat(pathbuf3, &sb) == 0 && S_ISCHR(sb.st_mode)) { 809173492Sjhb /* No need to repeat stat() && S_ISCHR() checks */ 810192280Sbrian ttypath = NULL; 811173492Sjhb break; 812173492Sjhb } 813131010Sgad break; 814127499Sgad } 815131010Sgad if (ttypath) { 816131010Sgad if (stat(ttypath, &sb) == -1) { 817173492Sjhb if (pathbuf3[0] != '\0') 818173492Sjhb warn("%s, %s, and %s", pathbuf3, pathbuf2, 819173492Sjhb ttypath); 820131209Sgad else 821131209Sgad warn("%s", ttypath); 822131010Sgad optfatal = 1; 823131010Sgad return (0); 824131010Sgad } 825131010Sgad if (!S_ISCHR(sb.st_mode)) { 826173492Sjhb if (pathbuf3[0] != '\0') 827173492Sjhb warnx("%s, %s, and %s: Not a terminal", 828173492Sjhb pathbuf3, pathbuf2, ttypath); 829131209Sgad else 830131209Sgad warnx("%s: Not a terminal", ttypath); 831131010Sgad optfatal = 1; 832131010Sgad return (0); 833131010Sgad } 834127499Sgad } 835127499Sgad if (inf->count >= inf->maxcount) 836127499Sgad expand_list(inf); 837127823Sgad inf->l.ttys[(inf->count)++] = sb.st_rdev; 838127499Sgad return (1); 839127149Sgad} 840127149Sgad 841127499Sgadstatic int 842127499Sgadaddelem_uid(struct listinfo *inf, const char *elem) 84366377Sbrian{ 84466377Sbrian struct passwd *pwd; 845127539Sgad char *endp; 846127602Sgad u_long bigtemp; 84766377Sbrian 848127499Sgad if (*elem == '\0' || strlen(elem) >= MAXLOGNAME) { 849127499Sgad if (*elem == '\0') 850127499Sgad warnx("Invalid (zero-length) %s name", inf->lname); 851127499Sgad else 852127499Sgad warnx("%s name too long: %s", inf->lname, elem); 853127499Sgad optfatal = 1; 854127542Sgad return (0); /* Do not add this value. */ 855127499Sgad } 85666377Sbrian 857127499Sgad pwd = getpwnam(elem); 858127499Sgad if (pwd == NULL) { 859127499Sgad errno = 0; 860127602Sgad bigtemp = strtoul(elem, &endp, 10); 861127602Sgad if (errno != 0 || *endp != '\0' || bigtemp > UID_MAX) 862127499Sgad warnx("No %s named '%s'", inf->lname, elem); 863127499Sgad else { 864127499Sgad /* The string is all digits, so it might be a userID. */ 865127602Sgad pwd = getpwuid((uid_t)bigtemp); 866127499Sgad if (pwd == NULL) 867127499Sgad warnx("No %s name or ID matches '%s'", 868127499Sgad inf->lname, elem); 86966377Sbrian } 870127499Sgad } 871127499Sgad if (pwd == NULL) { 872127509Sgad /* 873127509Sgad * These used to be treated as minor warnings (and the 874127509Sgad * option was simply ignored), but now they are fatal 875127509Sgad * errors (and the command will be aborted). 876127509Sgad */ 877127509Sgad optfatal = 1; 878129967Sgad return (0); 879127499Sgad } 880127499Sgad if (inf->count >= inf->maxcount) 881127499Sgad expand_list(inf); 882127823Sgad inf->l.uids[(inf->count)++] = pwd->pw_uid; 883127499Sgad return (1); 884127499Sgad} 885127499Sgad 886127499Sgadstatic void 887127499Sgadadd_list(struct listinfo *inf, const char *argp) 888127499Sgad{ 889127499Sgad const char *savep; 890127499Sgad char *cp, *endp; 891127499Sgad int toolong; 892127539Sgad char elemcopy[PATH_MAX]; 893127499Sgad 894239883Semaste if (*argp == '\0') 895239883Semaste inf->addelem(inf, argp); 896127499Sgad while (*argp != '\0') { 897127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 898127499Sgad argp++; 899127499Sgad savep = argp; 900127499Sgad toolong = 0; 901127499Sgad cp = elemcopy; 902127499Sgad if (strchr(T_SEP, *argp) == NULL) { 903127499Sgad endp = elemcopy + sizeof(elemcopy) - 1; 904127499Sgad while (*argp != '\0' && cp <= endp && 905127499Sgad strchr(W_SEP T_SEP, *argp) == NULL) 906127499Sgad *cp++ = *argp++; 907127499Sgad if (cp > endp) 908127499Sgad toolong = 1; 90966377Sbrian } 910127499Sgad if (!toolong) { 911127499Sgad *cp = '\0'; 912127542Sgad /* 913129953Sgad * Add this single element to the given list. 914127542Sgad */ 915127499Sgad inf->addelem(inf, elemcopy); 916127499Sgad } else { 917127499Sgad /* 918127499Sgad * The string is too long to copy. Find the end 919127499Sgad * of the string to print out the warning message. 920127499Sgad */ 921127499Sgad while (*argp != '\0' && strchr(W_SEP T_SEP, 922127499Sgad *argp) == NULL) 923127499Sgad argp++; 924127499Sgad warnx("Value too long: %.*s", (int)(argp - savep), 925127499Sgad savep); 926127499Sgad optfatal = 1; 92766377Sbrian } 928127499Sgad /* 929127499Sgad * Skip over any number of trailing whitespace characters, 930127499Sgad * but only one (at most) trailing element-terminating 931127499Sgad * character. 932127499Sgad */ 933127499Sgad while (*argp != '\0' && strchr(W_SEP, *argp) != NULL) 934127499Sgad argp++; 935127499Sgad if (*argp != '\0' && strchr(T_SEP, *argp) != NULL) { 936127499Sgad argp++; 937127499Sgad /* Catch case where string ended with a comma. */ 938127499Sgad if (*argp == '\0') 939127499Sgad inf->addelem(inf, argp); 940127499Sgad } 94166377Sbrian } 942127499Sgad} 94366377Sbrian 944192239Sbrianstatic void 945192239Sbriandescendant_sort(KINFO *ki, int items) 946192239Sbrian{ 947192239Sbrian int dst, lvl, maxlvl, n, ndst, nsrc, siblings, src; 948192239Sbrian unsigned char *path; 949192239Sbrian KINFO kn; 950192239Sbrian 951192239Sbrian /* 952192239Sbrian * First, sort the entries by descendancy, tracking the descendancy 953192239Sbrian * depth in the ki_d.level field. 954192239Sbrian */ 955192239Sbrian src = 0; 956192239Sbrian maxlvl = 0; 957192239Sbrian while (src < items) { 958192239Sbrian if (ki[src].ki_d.level) { 959192239Sbrian src++; 960192239Sbrian continue; 961192239Sbrian } 962192239Sbrian for (nsrc = 1; src + nsrc < items; nsrc++) 963192239Sbrian if (!ki[src + nsrc].ki_d.level) 964192239Sbrian break; 965192239Sbrian 966192239Sbrian for (dst = 0; dst < items; dst++) { 967192239Sbrian if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_pid) 968192239Sbrian continue; 969192239Sbrian if (ki[dst].ki_p->ki_pid == ki[src].ki_p->ki_ppid) 970192239Sbrian break; 971192239Sbrian } 972192239Sbrian 973192239Sbrian if (dst == items) { 974192239Sbrian src += nsrc; 975192239Sbrian continue; 976192239Sbrian } 977192239Sbrian 978192239Sbrian for (ndst = 1; dst + ndst < items; ndst++) 979192239Sbrian if (ki[dst + ndst].ki_d.level <= ki[dst].ki_d.level) 980192239Sbrian break; 981192239Sbrian 982192239Sbrian for (n = src; n < src + nsrc; n++) { 983192239Sbrian ki[n].ki_d.level += ki[dst].ki_d.level + 1; 984192239Sbrian if (maxlvl < ki[n].ki_d.level) 985192239Sbrian maxlvl = ki[n].ki_d.level; 986192239Sbrian } 987192239Sbrian 988192239Sbrian while (nsrc) { 989192239Sbrian if (src < dst) { 990192239Sbrian kn = ki[src]; 991192239Sbrian memmove(ki + src, ki + src + 1, 992192239Sbrian (dst - src + ndst - 1) * sizeof *ki); 993192239Sbrian ki[dst + ndst - 1] = kn; 994192239Sbrian nsrc--; 995192239Sbrian dst--; 996192239Sbrian ndst++; 997192239Sbrian } else if (src != dst + ndst) { 998192239Sbrian kn = ki[src]; 999192239Sbrian memmove(ki + dst + ndst + 1, ki + dst + ndst, 1000192239Sbrian (src - dst - ndst) * sizeof *ki); 1001192239Sbrian ki[dst + ndst] = kn; 1002192239Sbrian ndst++; 1003192239Sbrian nsrc--; 1004192239Sbrian src++; 1005192239Sbrian } else { 1006192239Sbrian ndst += nsrc; 1007192239Sbrian src += nsrc; 1008192239Sbrian nsrc = 0; 1009192239Sbrian } 1010192239Sbrian } 1011192239Sbrian } 1012192239Sbrian 1013192239Sbrian /* 1014192239Sbrian * Now populate ki_d.prefix (instead of ki_d.level) with the command 1015192239Sbrian * prefix used to show descendancies. 1016192239Sbrian */ 1017192239Sbrian path = malloc((maxlvl + 7) / 8); 1018192239Sbrian memset(path, '\0', (maxlvl + 7) / 8); 1019192239Sbrian for (src = 0; src < items; src++) { 1020192239Sbrian if ((lvl = ki[src].ki_d.level) == 0) { 1021192239Sbrian ki[src].ki_d.prefix = NULL; 1022192239Sbrian continue; 1023192239Sbrian } 1024192239Sbrian if ((ki[src].ki_d.prefix = malloc(lvl * 2 + 1)) == NULL) 1025192239Sbrian errx(1, "malloc failed"); 1026192239Sbrian for (n = 0; n < lvl - 2; n++) { 1027192239Sbrian ki[src].ki_d.prefix[n * 2] = 1028192239Sbrian path[n / 8] & 1 << (n % 8) ? '|' : ' '; 1029192239Sbrian ki[src].ki_d.prefix[n * 2 + 1] = ' '; 1030192239Sbrian } 1031192239Sbrian if (n == lvl - 2) { 1032192239Sbrian /* Have I any more siblings? */ 1033192239Sbrian for (siblings = 0, dst = src + 1; dst < items; dst++) { 1034192239Sbrian if (ki[dst].ki_d.level > lvl) 1035192239Sbrian continue; 1036192239Sbrian if (ki[dst].ki_d.level == lvl) 1037192239Sbrian siblings = 1; 1038192239Sbrian break; 1039192239Sbrian } 1040192239Sbrian if (siblings) 1041192239Sbrian path[n / 8] |= 1 << (n % 8); 1042192239Sbrian else 1043192239Sbrian path[n / 8] &= ~(1 << (n % 8)); 1044192239Sbrian ki[src].ki_d.prefix[n * 2] = siblings ? '|' : '`'; 1045192239Sbrian ki[src].ki_d.prefix[n * 2 + 1] = '-'; 1046192239Sbrian n++; 1047192239Sbrian } 1048192239Sbrian strcpy(ki[src].ki_d.prefix + n * 2, "- "); 1049192239Sbrian } 1050192239Sbrian free(path); 1051192239Sbrian} 1052192239Sbrian 1053127499Sgadstatic void * 1054127499Sgadexpand_list(struct listinfo *inf) 1055127499Sgad{ 1056127539Sgad void *newlist; 1057127499Sgad int newmax; 105866377Sbrian 1059127499Sgad newmax = (inf->maxcount + 1) << 1; 1060127823Sgad newlist = realloc(inf->l.ptr, newmax * inf->elemsize); 1061127499Sgad if (newlist == NULL) { 1062127823Sgad free(inf->l.ptr); 1063129967Sgad errx(1, "realloc to %d %ss failed", newmax, inf->lname); 1064127499Sgad } 1065127499Sgad inf->maxcount = newmax; 1066127823Sgad inf->l.ptr = newlist; 1067127499Sgad 1068127499Sgad return (newlist); 106966377Sbrian} 107066377Sbrian 1071127499Sgadstatic void 1072127499Sgadfree_list(struct listinfo *inf) 1073127499Sgad{ 1074127499Sgad 1075127499Sgad inf->count = inf->elemsize = inf->maxcount = 0; 1076127823Sgad if (inf->l.ptr != NULL) 1077127823Sgad free(inf->l.ptr); 1078127499Sgad inf->addelem = NULL; 1079127499Sgad inf->lname = NULL; 1080127823Sgad inf->l.ptr = NULL; 1081127499Sgad} 1082127499Sgad 1083127499Sgadstatic void 1084127499Sgadinit_list(struct listinfo *inf, addelem_rtn artn, int elemsize, 1085127499Sgad const char *lname) 1086127499Sgad{ 1087127499Sgad 1088127499Sgad inf->count = inf->maxcount = 0; 1089127499Sgad inf->elemsize = elemsize; 1090127499Sgad inf->addelem = artn; 1091127499Sgad inf->lname = lname; 1092127823Sgad inf->l.ptr = NULL; 1093127499Sgad} 1094127499Sgad 1095109502SjmallettVARENT * 1096109502Sjmallettfind_varentry(VAR *v) 1097109502Sjmallett{ 1098109502Sjmallett struct varent *vent; 1099109502Sjmallett 1100130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 1101109502Sjmallett if (strcmp(vent->var->name, v->name) == 0) 1102109502Sjmallett return vent; 1103109502Sjmallett } 1104109502Sjmallett return NULL; 1105109502Sjmallett} 1106109502Sjmallett 11071556Srgrimesstatic void 110890110Simpscanvars(void) 11091556Srgrimes{ 11101556Srgrimes struct varent *vent; 11111556Srgrimes VAR *v; 111225271Sjkh 1113130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 111425271Sjkh v = vent->var; 111525271Sjkh if (v->flag & USER) 111625271Sjkh needuser = 1; 111725271Sjkh if (v->flag & COMM) 111825271Sjkh needcomm = 1; 111925271Sjkh } 112025271Sjkh} 112125271Sjkh 112225271Sjkhstatic void 1123225868Straszformat_output(KINFO *ki) 112425271Sjkh{ 112525271Sjkh struct varent *vent; 112625271Sjkh VAR *v; 1127225868Strasz KINFO_STR *ks; 1128225868Strasz char *str; 1129225868Strasz int len; 11301556Srgrimes 1131225868Strasz STAILQ_INIT(&ki->ki_ks); 1132130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 11331556Srgrimes v = vent->var; 1134225868Strasz str = (v->oproc)(ki, vent); 1135225868Strasz ks = malloc(sizeof(*ks)); 1136225868Strasz if (ks == NULL) 1137225868Strasz errx(1, "malloc failed"); 1138225868Strasz ks->ks_str = str; 1139225868Strasz STAILQ_INSERT_TAIL(&ki->ki_ks, ks, ks_next); 1140225868Strasz if (str != NULL) { 1141225868Strasz len = strlen(str); 1142225868Strasz } else 1143225868Strasz len = 1; /* "-" */ 1144225868Strasz if (v->width < len) 1145225868Strasz v->width = len; 114625271Sjkh } 114725271Sjkh} 114825271Sjkh 114925271Sjkhstatic void 115090110Simpsizevars(void) 115125271Sjkh{ 115225271Sjkh struct varent *vent; 115325271Sjkh VAR *v; 115425271Sjkh int i; 115525271Sjkh 1156130999Sgad STAILQ_FOREACH(vent, &varlist, next_ve) { 115725271Sjkh v = vent->var; 1158109504Sjmallett i = strlen(vent->header); 11591556Srgrimes if (v->width < i) 11601556Srgrimes v->width = i; 11611556Srgrimes } 11621556Srgrimes} 11631556Srgrimes 116490143Smarkmstatic const char * 116590110Simpfmt(char **(*fn)(kvm_t *, const struct kinfo_proc *, int), KINFO *ki, 1166245610Sjhb char *comm, char *thread, int maxlen) 11671556Srgrimes{ 116890143Smarkm const char *s; 11691556Srgrimes 1170245610Sjhb s = fmt_argv((*fn)(kd, ki->ki_p, termwidth), comm, 1171245635Sjhb showthreads && ki->ki_p->ki_numthreads > 1 ? thread : NULL, maxlen); 11721556Srgrimes return (s); 11731556Srgrimes} 11741556Srgrimes 1175172207Sjeff#define UREADOK(ki) (forceuread || (ki->ki_p->ki_flag & P_INMEM)) 117631552Sdyson 11771556Srgrimesstatic void 117890110Simpsaveuser(KINFO *ki) 11791556Srgrimes{ 11801556Srgrimes 1181172207Sjeff if (ki->ki_p->ki_flag & P_INMEM) { 11821556Srgrimes /* 11831556Srgrimes * The u-area might be swapped out, and we can't get 11841556Srgrimes * at it because we have a crashdump and no swap. 11851556Srgrimes * If it's here fill in these fields, otherwise, just 11861556Srgrimes * leave them 0. 11871556Srgrimes */ 118869896Smckusick ki->ki_valid = 1; 11891556Srgrimes } else 119069896Smckusick ki->ki_valid = 0; 11911556Srgrimes /* 11921556Srgrimes * save arguments if needed 11931556Srgrimes */ 1194130991Sgad if (needcomm) { 1195130991Sgad if (ki->ki_p->ki_stat == SZOMB) 1196130991Sgad ki->ki_args = strdup("<defunct>"); 1197130991Sgad else if (UREADOK(ki) || (ki->ki_p->ki_args != NULL)) 1198130991Sgad ki->ki_args = strdup(fmt(kvm_getargv, ki, 1199245610Sjhb ki->ki_p->ki_comm, ki->ki_p->ki_tdname, MAXCOMLEN)); 1200130991Sgad else 1201130991Sgad asprintf(&ki->ki_args, "(%s)", ki->ki_p->ki_comm); 1202131024Sgad if (ki->ki_args == NULL) 1203130991Sgad errx(1, "malloc failed"); 120453276Speter } else { 120553276Speter ki->ki_args = NULL; 120653276Speter } 1207130991Sgad if (needenv) { 1208130991Sgad if (UREADOK(ki)) 1209130991Sgad ki->ki_env = strdup(fmt(kvm_getenvv, ki, 1210245610Sjhb (char *)NULL, (char *)NULL, 0)); 1211130991Sgad else 1212130991Sgad ki->ki_env = strdup("()"); 1213130991Sgad if (ki->ki_env == NULL) 1214130991Sgad errx(1, "malloc failed"); 121553276Speter } else { 121653276Speter ki->ki_env = NULL; 121753276Speter } 12181556Srgrimes} 12191556Srgrimes 1220130816Sgad/* A macro used to improve the readability of pscomp(). */ 1221130816Sgad#define DIFF_RETURN(a, b, field) do { \ 1222130816Sgad if ((a)->field != (b)->field) \ 1223130816Sgad return (((a)->field < (b)->field) ? -1 : 1); \ 1224130816Sgad} while (0) 1225130816Sgad 12261556Srgrimesstatic int 122790110Simppscomp(const void *a, const void *b) 12281556Srgrimes{ 1229127596Sgad const KINFO *ka, *kb; 12301556Srgrimes 1231127596Sgad ka = a; 1232127596Sgad kb = b; 1233127596Sgad /* SORTCPU and SORTMEM are sorted in descending order. */ 1234130816Sgad if (sortby == SORTCPU) 1235130816Sgad DIFF_RETURN(kb, ka, ki_pcpu); 1236130816Sgad if (sortby == SORTMEM) 1237130816Sgad DIFF_RETURN(kb, ka, ki_memsize); 1238127596Sgad /* 1239127596Sgad * TTY's are sorted in ascending order, except that all NODEV 1240127596Sgad * processes come before all processes with a device. 1241127596Sgad */ 1242130816Sgad if (ka->ki_p->ki_tdev != kb->ki_p->ki_tdev) { 1243130816Sgad if (ka->ki_p->ki_tdev == NODEV) 1244130816Sgad return (-1); 1245130816Sgad if (kb->ki_p->ki_tdev == NODEV) 1246130816Sgad return (1); 1247130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_tdev); 1248130816Sgad } 1249130816Sgad 1250130972Sgad /* PID's and TID's (threads) are sorted in ascending order. */ 1251130816Sgad DIFF_RETURN(ka, kb, ki_p->ki_pid); 1252130972Sgad DIFF_RETURN(ka, kb, ki_p->ki_tid); 1253127596Sgad return (0); 12541556Srgrimes} 1255130816Sgad#undef DIFF_RETURN 12561556Srgrimes 12571556Srgrimes/* 12581556Srgrimes * ICK (all for getopt), would rather hide the ugliness 12591556Srgrimes * here than taint the main code. 12601556Srgrimes * 12611556Srgrimes * ps foo -> ps -foo 12621556Srgrimes * ps 34 -> ps -p34 12631556Srgrimes * 12641556Srgrimes * The old convention that 't' with no trailing tty arg means the users 12651556Srgrimes * tty, is only supported if argv[1] doesn't begin with a '-'. This same 12661556Srgrimes * feature is available with the option 'T', which takes no argument. 12671556Srgrimes */ 12681556Srgrimesstatic char * 1269129915Sgadkludge_oldps_options(const char *optlist, char *origval, const char *nextarg) 12701556Srgrimes{ 12711556Srgrimes size_t len; 1272129914Sgad char *argp, *cp, *newopts, *ns, *optp, *pidp; 12731556Srgrimes 1274102886Sjmallett /* 1275129914Sgad * See if the original value includes any option which takes an 1276129914Sgad * argument (and will thus use up the remainder of the string). 1277102886Sjmallett */ 1278129914Sgad argp = NULL; 1279129914Sgad if (optlist != NULL) { 1280129914Sgad for (cp = origval; *cp != '\0'; cp++) { 1281129914Sgad optp = strchr(optlist, *cp); 1282129914Sgad if ((optp != NULL) && *(optp + 1) == ':') { 1283129914Sgad argp = cp; 1284129914Sgad break; 1285129914Sgad } 1286129914Sgad } 1287129914Sgad } 1288129914Sgad if (argp != NULL && *origval == '-') 1289129914Sgad return (origval); 1290102886Sjmallett 12911556Srgrimes /* 12921556Srgrimes * if last letter is a 't' flag with no argument (in the context 12931556Srgrimes * of the oldps options -- option string NOT starting with a '-' -- 12941556Srgrimes * then convert to 'T' (meaning *this* terminal, i.e. ttyname(0)). 129581743Sbrian * 1296129634Sgad * However, if a flag accepting a string argument is found earlier 1297129634Sgad * in the option string (including a possible `t' flag), then the 1298129634Sgad * remainder of the string must be the argument to that flag; so 1299129914Sgad * do not modify that argument. Note that a trailing `t' would 1300129914Sgad * cause argp to be set, if argp was not already set by some 1301129914Sgad * earlier option. 13021556Srgrimes */ 1303129914Sgad len = strlen(origval); 1304129914Sgad cp = origval + len - 1; 1305129914Sgad pidp = NULL; 1306129915Sgad if (*cp == 't' && *origval != '-' && cp == argp) { 1307129915Sgad if (nextarg == NULL || *nextarg == '-' || isdigitch(*nextarg)) 1308129915Sgad *cp = 'T'; 1309129915Sgad } else if (argp == NULL) { 13101556Srgrimes /* 1311129914Sgad * The original value did not include any option which takes 1312129914Sgad * an argument (and that would include `p' and `t'), so check 1313129914Sgad * the value for trailing number, or comma-separated list of 1314129914Sgad * numbers, which we will treat as a pid request. 13151556Srgrimes */ 1316129914Sgad if (isdigitch(*cp)) { 1317129914Sgad while (cp >= origval && (*cp == ',' || isdigitch(*cp))) 1318129914Sgad --cp; 1319129914Sgad pidp = cp + 1; 1320129914Sgad } 13211556Srgrimes } 1322129914Sgad 13231556Srgrimes /* 1324129914Sgad * If nothing needs to be added to the string, then return 1325129914Sgad * the "original" (although possibly modified) value. 13261556Srgrimes */ 1327129914Sgad if (*origval == '-' && pidp == NULL) 1328129914Sgad return (origval); 1329129914Sgad 1330129914Sgad /* 1331129914Sgad * Create a copy of the string to add '-' and/or 'p' to the 1332129914Sgad * original value. 1333129914Sgad */ 1334129914Sgad if ((newopts = ns = malloc(len + 3)) == NULL) 1335129914Sgad errx(1, "malloc failed"); 1336129914Sgad 1337129914Sgad if (*origval != '-') 1338129914Sgad *ns++ = '-'; /* add option flag */ 1339129914Sgad 1340129914Sgad if (pidp == NULL) 1341129914Sgad strcpy(ns, origval); 1342129914Sgad else { 1343129914Sgad /* 1344129914Sgad * Copy everything before the pid string, add the `p', 1345129914Sgad * and then copy the pid string. 1346129914Sgad */ 1347129914Sgad len = pidp - origval; 1348129914Sgad memcpy(ns, origval, len); 1349129914Sgad ns += len; 13501556Srgrimes *ns++ = 'p'; 1351129914Sgad strcpy(ns, pidp); 1352129914Sgad } 13531556Srgrimes 13541556Srgrimes return (newopts); 13551556Srgrimes} 13561556Srgrimes 13571556Srgrimesstatic void 1358244154Spjdpidmax_init(void) 1359244154Spjd{ 1360244154Spjd size_t intsize; 1361244154Spjd 1362244154Spjd intsize = sizeof(pid_max); 1363244154Spjd if (sysctlbyname("kern.pid_max", &pid_max, &intsize, NULL, 0) < 0) { 1364244154Spjd warn("unable to read kern.pid_max"); 1365244154Spjd pid_max = 99999; 1366244154Spjd } 1367244154Spjd} 1368244154Spjd 1369244154Spjdstatic void 137090110Simpusage(void) 13711556Srgrimes{ 1372195830Sbrian#define SINGLE_OPTS "[-aCcde" OPT_LAZY_f "HhjlmrSTuvwXxZ]" 13731556Srgrimes 1374127499Sgad (void)fprintf(stderr, "%s\n%s\n%s\n%s\n", 1375141578Sru "usage: ps " SINGLE_OPTS " [-O fmt | -o fmt] [-G gid[,gid...]]", 1376127499Sgad " [-M core] [-N system]", 1377141578Sru " [-p pid[,pid...]] [-t tty[,tty...]] [-U user[,user...]]", 137826465Scharnier " ps [-L]"); 13791556Srgrimes exit(1); 13801556Srgrimes} 1381