1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #if 0
33 #ifndef lint
34 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
35 #endif /* not lint */
36 #endif
37
38 #include <sys/cdefs.h>
39 #include <sys/param.h>
40 #include <sys/time.h>
41 #include <sys/resource.h>
42 #include <sys/proc.h>
43 #include <sys/stat.h>
44
45 #include <sys/mac.h>
46 #include <sys/user.h>
47 #include <sys/sysctl.h>
48 #include <sys/vmmeter.h>
49
50 #include <err.h>
51 #include <grp.h>
52 #include <jail.h>
53 #include <langinfo.h>
54 #include <locale.h>
55 #include <math.h>
56 #include <nlist.h>
57 #include <pwd.h>
58 #include <stddef.h>
59 #include <stdint.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <unistd.h>
64 #include <vis.h>
65 #include <libxo/xo.h>
66
67 #include "ps.h"
68
69 #define COMMAND_WIDTH 16
70 #define ARGUMENTS_WIDTH 16
71
72 #define ps_pgtok(a) (((a) * getpagesize()) / 1024)
73
74 void
printheader(void)75 printheader(void)
76 {
77 VAR *v;
78 struct varent *vent;
79
80 STAILQ_FOREACH(vent, &varlist, next_ve)
81 if (*vent->header != '\0')
82 break;
83 if (!vent)
84 return;
85
86 STAILQ_FOREACH(vent, &varlist, next_ve) {
87 v = vent->var;
88 if (v->flag & LJUST) {
89 if (STAILQ_NEXT(vent, next_ve) == NULL) /* last one */
90 xo_emit("{T:/%hs}", vent->header);
91 else
92 xo_emit("{T:/%-*hs}", v->width, vent->header);
93 } else
94 xo_emit("{T:/%*hs}", v->width, vent->header);
95 if (STAILQ_NEXT(vent, next_ve) != NULL)
96 xo_emit("{P: }");
97 }
98 xo_emit("\n");
99 }
100
101 char *
arguments(KINFO * k,VARENT * ve)102 arguments(KINFO *k, VARENT *ve)
103 {
104 char *vis_args;
105
106 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
107 xo_errx(1, "malloc failed");
108 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
109
110 if (STAILQ_NEXT(ve, next_ve) != NULL && strlen(vis_args) > ARGUMENTS_WIDTH)
111 vis_args[ARGUMENTS_WIDTH] = '\0';
112
113 return (vis_args);
114 }
115
116 char *
command(KINFO * k,VARENT * ve)117 command(KINFO *k, VARENT *ve)
118 {
119 char *vis_args, *vis_env, *str;
120
121 if (cflag) {
122 /* If it is the last field, then don't pad */
123 if (STAILQ_NEXT(ve, next_ve) == NULL) {
124 asprintf(&str, "%s%s%s%s%s",
125 k->ki_d.prefix ? k->ki_d.prefix : "",
126 k->ki_p->ki_comm,
127 (showthreads && k->ki_p->ki_numthreads > 1) ? "/" : "",
128 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_tdname : "",
129 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_moretdname : "");
130 } else
131 str = strdup(k->ki_p->ki_comm);
132
133 return (str);
134 }
135 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
136 xo_errx(1, "malloc failed");
137 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
138
139 if (STAILQ_NEXT(ve, next_ve) == NULL) {
140 /* last field */
141
142 if (k->ki_env) {
143 if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
144 == NULL)
145 xo_errx(1, "malloc failed");
146 strvis(vis_env, k->ki_env,
147 VIS_TAB | VIS_NL | VIS_NOSLASH);
148 } else
149 vis_env = NULL;
150
151 asprintf(&str, "%s%s%s%s",
152 k->ki_d.prefix ? k->ki_d.prefix : "",
153 vis_env ? vis_env : "",
154 vis_env ? " " : "",
155 vis_args);
156
157 if (vis_env != NULL)
158 free(vis_env);
159 free(vis_args);
160 } else {
161 /* ki_d.prefix & ki_env aren't shown for interim fields */
162 str = vis_args;
163
164 if (strlen(str) > COMMAND_WIDTH)
165 str[COMMAND_WIDTH] = '\0';
166 }
167
168 return (str);
169 }
170
171 char *
ucomm(KINFO * k,VARENT * ve)172 ucomm(KINFO *k, VARENT *ve)
173 {
174 char *str;
175
176 if (STAILQ_NEXT(ve, next_ve) == NULL) { /* last field, don't pad */
177 asprintf(&str, "%s%s%s%s%s",
178 k->ki_d.prefix ? k->ki_d.prefix : "",
179 k->ki_p->ki_comm,
180 (showthreads && k->ki_p->ki_numthreads > 1) ? "/" : "",
181 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_tdname : "",
182 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_moretdname : "");
183 } else {
184 if (showthreads && k->ki_p->ki_numthreads > 1)
185 asprintf(&str, "%s/%s%s", k->ki_p->ki_comm,
186 k->ki_p->ki_tdname, k->ki_p->ki_moretdname);
187 else
188 str = strdup(k->ki_p->ki_comm);
189 }
190 return (str);
191 }
192
193 char *
tdnam(KINFO * k,VARENT * ve __unused)194 tdnam(KINFO *k, VARENT *ve __unused)
195 {
196 char *str;
197
198 if (showthreads && k->ki_p->ki_numthreads > 1)
199 asprintf(&str, "%s%s", k->ki_p->ki_tdname,
200 k->ki_p->ki_moretdname);
201 else
202 str = strdup(" ");
203
204 return (str);
205 }
206
207 char *
logname(KINFO * k,VARENT * ve __unused)208 logname(KINFO *k, VARENT *ve __unused)
209 {
210
211 if (*k->ki_p->ki_login == '\0')
212 return (NULL);
213 return (strdup(k->ki_p->ki_login));
214 }
215
216 char *
state(KINFO * k,VARENT * ve __unused)217 state(KINFO *k, VARENT *ve __unused)
218 {
219 long flag, tdflags;
220 char *cp, *buf;
221
222 buf = malloc(16);
223 if (buf == NULL)
224 xo_errx(1, "malloc failed");
225
226 flag = k->ki_p->ki_flag;
227 tdflags = k->ki_p->ki_tdflags; /* XXXKSE */
228 cp = buf;
229
230 switch (k->ki_p->ki_stat) {
231
232 case SSTOP:
233 *cp = 'T';
234 break;
235
236 case SSLEEP:
237 if (tdflags & TDF_SINTR) /* interruptible (long) */
238 *cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
239 else
240 *cp = 'D';
241 break;
242
243 case SRUN:
244 case SIDL:
245 *cp = 'R';
246 break;
247
248 case SWAIT:
249 *cp = 'W';
250 break;
251
252 case SLOCK:
253 *cp = 'L';
254 break;
255
256 case SZOMB:
257 *cp = 'Z';
258 break;
259
260 default:
261 *cp = '?';
262 }
263 cp++;
264 if (!(flag & P_INMEM))
265 *cp++ = 'W';
266 if (k->ki_p->ki_nice < NZERO || k->ki_p->ki_pri.pri_class == PRI_REALTIME)
267 *cp++ = '<';
268 else if (k->ki_p->ki_nice > NZERO || k->ki_p->ki_pri.pri_class == PRI_IDLE)
269 *cp++ = 'N';
270 if (flag & P_TRACED)
271 *cp++ = 'X';
272 if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
273 *cp++ = 'E';
274 if (flag & P_PPWAIT)
275 *cp++ = 'V';
276 if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
277 *cp++ = 'L';
278 if ((k->ki_p->ki_cr_flags & CRED_FLAG_CAPMODE) != 0)
279 *cp++ = 'C';
280 if (k->ki_p->ki_kiflag & KI_SLEADER)
281 *cp++ = 's';
282 if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
283 *cp++ = '+';
284 if (flag & P_JAILED)
285 *cp++ = 'J';
286 *cp = '\0';
287 return (buf);
288 }
289
290 #define scalepri(x) ((x) - PZERO)
291
292 char *
pri(KINFO * k,VARENT * ve __unused)293 pri(KINFO *k, VARENT *ve __unused)
294 {
295 char *str;
296
297 asprintf(&str, "%d", scalepri(k->ki_p->ki_pri.pri_level));
298 return (str);
299 }
300
301 char *
upr(KINFO * k,VARENT * ve __unused)302 upr(KINFO *k, VARENT *ve __unused)
303 {
304 char *str;
305
306 asprintf(&str, "%d", scalepri(k->ki_p->ki_pri.pri_user));
307 return (str);
308 }
309 #undef scalepri
310
311 char *
username(KINFO * k,VARENT * ve __unused)312 username(KINFO *k, VARENT *ve __unused)
313 {
314
315 return (strdup(user_from_uid(k->ki_p->ki_uid, 0)));
316 }
317
318 char *
egroupname(KINFO * k,VARENT * ve __unused)319 egroupname(KINFO *k, VARENT *ve __unused)
320 {
321
322 return (strdup(group_from_gid(k->ki_p->ki_groups[0], 0)));
323 }
324
325 char *
rgroupname(KINFO * k,VARENT * ve __unused)326 rgroupname(KINFO *k, VARENT *ve __unused)
327 {
328
329 return (strdup(group_from_gid(k->ki_p->ki_rgid, 0)));
330 }
331
332 char *
runame(KINFO * k,VARENT * ve __unused)333 runame(KINFO *k, VARENT *ve __unused)
334 {
335
336 return (strdup(user_from_uid(k->ki_p->ki_ruid, 0)));
337 }
338
339 char *
tdev(KINFO * k,VARENT * ve __unused)340 tdev(KINFO *k, VARENT *ve __unused)
341 {
342 dev_t dev;
343 char *str;
344
345 dev = k->ki_p->ki_tdev;
346 if (dev == NODEV)
347 str = strdup("-");
348 else
349 asprintf(&str, "%#jx", (uintmax_t)dev);
350
351 return (str);
352 }
353
354 char *
tname(KINFO * k,VARENT * ve __unused)355 tname(KINFO *k, VARENT *ve __unused)
356 {
357 dev_t dev;
358 char *ttname, *str;
359
360 dev = k->ki_p->ki_tdev;
361 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
362 str = strdup("- ");
363 else {
364 if (strncmp(ttname, "tty", 3) == 0 ||
365 strncmp(ttname, "cua", 3) == 0)
366 ttname += 3;
367 if (strncmp(ttname, "pts/", 4) == 0)
368 ttname += 4;
369 asprintf(&str, "%s%c", ttname,
370 k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
371 }
372
373 return (str);
374 }
375
376 char *
longtname(KINFO * k,VARENT * ve __unused)377 longtname(KINFO *k, VARENT *ve __unused)
378 {
379 dev_t dev;
380 const char *ttname;
381
382 dev = k->ki_p->ki_tdev;
383 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
384 ttname = "-";
385
386 return (strdup(ttname));
387 }
388
389 char *
started(KINFO * k,VARENT * ve __unused)390 started(KINFO *k, VARENT *ve __unused)
391 {
392 time_t then;
393 struct tm *tp;
394 size_t buflen = 100;
395 char *buf;
396
397 if (!k->ki_valid)
398 return (NULL);
399
400 buf = malloc(buflen);
401 if (buf == NULL)
402 xo_errx(1, "malloc failed");
403
404 then = k->ki_p->ki_start.tv_sec;
405 tp = localtime(&then);
406 if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
407 (void)strftime(buf, buflen, "%H:%M ", tp);
408 } else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
409 (void)strftime(buf, buflen, "%a%H ", tp);
410 } else
411 (void)strftime(buf, buflen, "%e%b%y", tp);
412 return (buf);
413 }
414
415 char *
lstarted(KINFO * k,VARENT * ve __unused)416 lstarted(KINFO *k, VARENT *ve __unused)
417 {
418 time_t then;
419 char *buf;
420 size_t buflen = 100;
421
422 if (!k->ki_valid)
423 return (NULL);
424
425 buf = malloc(buflen);
426 if (buf == NULL)
427 xo_errx(1, "malloc failed");
428
429 then = k->ki_p->ki_start.tv_sec;
430 (void)strftime(buf, buflen, "%c", localtime(&then));
431 return (buf);
432 }
433
434 char *
lockname(KINFO * k,VARENT * ve __unused)435 lockname(KINFO *k, VARENT *ve __unused)
436 {
437 char *str;
438
439 if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
440 if (k->ki_p->ki_lockname[0] != 0)
441 str = strdup(k->ki_p->ki_lockname);
442 else
443 str = strdup("???");
444 } else
445 str = NULL;
446
447 return (str);
448 }
449
450 char *
wchan(KINFO * k,VARENT * ve __unused)451 wchan(KINFO *k, VARENT *ve __unused)
452 {
453 char *str;
454
455 if (k->ki_p->ki_wchan) {
456 if (k->ki_p->ki_wmesg[0] != 0)
457 str = strdup(k->ki_p->ki_wmesg);
458 else
459 asprintf(&str, "%lx", (long)k->ki_p->ki_wchan);
460 } else
461 str = NULL;
462
463 return (str);
464 }
465
466 char *
nwchan(KINFO * k,VARENT * ve __unused)467 nwchan(KINFO *k, VARENT *ve __unused)
468 {
469 char *str;
470
471 if (k->ki_p->ki_wchan)
472 asprintf(&str, "%0lx", (long)k->ki_p->ki_wchan);
473 else
474 str = NULL;
475
476 return (str);
477 }
478
479 char *
mwchan(KINFO * k,VARENT * ve __unused)480 mwchan(KINFO *k, VARENT *ve __unused)
481 {
482 char *str;
483
484 if (k->ki_p->ki_wchan) {
485 if (k->ki_p->ki_wmesg[0] != 0)
486 str = strdup(k->ki_p->ki_wmesg);
487 else
488 asprintf(&str, "%lx", (long)k->ki_p->ki_wchan);
489 } else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
490 if (k->ki_p->ki_lockname[0]) {
491 str = strdup(k->ki_p->ki_lockname);
492 } else
493 str = strdup("???");
494 } else
495 str = NULL;
496
497 return (str);
498 }
499
500 char *
vsize(KINFO * k,VARENT * ve __unused)501 vsize(KINFO *k, VARENT *ve __unused)
502 {
503 char *str;
504
505 asprintf(&str, "%lu", (u_long)(k->ki_p->ki_size / 1024));
506 return (str);
507 }
508
509 static char *
printtime(KINFO * k,VARENT * ve __unused,long secs,long psecs)510 printtime(KINFO *k, VARENT *ve __unused, long secs, long psecs)
511 /* psecs is "parts" of a second. first micro, then centi */
512 {
513 static char decimal_point;
514 char *str;
515
516 if (decimal_point == '\0')
517 decimal_point = localeconv()->decimal_point[0];
518 if (!k->ki_valid) {
519 secs = 0;
520 psecs = 0;
521 } else {
522 /* round and scale to 100's */
523 psecs = (psecs + 5000) / 10000;
524 secs += psecs / 100;
525 psecs = psecs % 100;
526 }
527 asprintf(&str, "%ld:%02ld%c%02ld",
528 secs / 60, secs % 60, decimal_point, psecs);
529 return (str);
530 }
531
532 char *
cputime(KINFO * k,VARENT * ve)533 cputime(KINFO *k, VARENT *ve)
534 {
535 long secs, psecs;
536
537 /*
538 * This counts time spent handling interrupts. We could
539 * fix this, but it is not 100% trivial (and interrupt
540 * time fractions only work on the sparc anyway). XXX
541 */
542 secs = k->ki_p->ki_runtime / 1000000;
543 psecs = k->ki_p->ki_runtime % 1000000;
544 if (sumrusage) {
545 secs += k->ki_p->ki_childtime.tv_sec;
546 psecs += k->ki_p->ki_childtime.tv_usec;
547 }
548 return (printtime(k, ve, secs, psecs));
549 }
550
551 char *
cpunum(KINFO * k,VARENT * ve __unused)552 cpunum(KINFO *k, VARENT *ve __unused)
553 {
554 char *cpu;
555
556 if (k->ki_p->ki_stat == SRUN && k->ki_p->ki_oncpu != NOCPU) {
557 asprintf(&cpu, "%d", k->ki_p->ki_oncpu);
558 } else {
559 asprintf(&cpu, "%d", k->ki_p->ki_lastcpu);
560 }
561 return (cpu);
562 }
563
564 char *
systime(KINFO * k,VARENT * ve)565 systime(KINFO *k, VARENT *ve)
566 {
567 long secs, psecs;
568
569 secs = k->ki_p->ki_rusage.ru_stime.tv_sec;
570 psecs = k->ki_p->ki_rusage.ru_stime.tv_usec;
571 if (sumrusage) {
572 secs += k->ki_p->ki_childstime.tv_sec;
573 psecs += k->ki_p->ki_childstime.tv_usec;
574 }
575 return (printtime(k, ve, secs, psecs));
576 }
577
578 char *
usertime(KINFO * k,VARENT * ve)579 usertime(KINFO *k, VARENT *ve)
580 {
581 long secs, psecs;
582
583 secs = k->ki_p->ki_rusage.ru_utime.tv_sec;
584 psecs = k->ki_p->ki_rusage.ru_utime.tv_usec;
585 if (sumrusage) {
586 secs += k->ki_p->ki_childutime.tv_sec;
587 psecs += k->ki_p->ki_childutime.tv_usec;
588 }
589 return (printtime(k, ve, secs, psecs));
590 }
591
592 char *
elapsed(KINFO * k,VARENT * ve __unused)593 elapsed(KINFO *k, VARENT *ve __unused)
594 {
595 time_t val;
596 int days, hours, mins, secs;
597 char *str;
598
599 if (!k->ki_valid)
600 return (NULL);
601 val = now - k->ki_p->ki_start.tv_sec;
602 days = val / (24 * 60 * 60);
603 val %= 24 * 60 * 60;
604 hours = val / (60 * 60);
605 val %= 60 * 60;
606 mins = val / 60;
607 secs = val % 60;
608 if (days != 0)
609 asprintf(&str, "%3d-%02d:%02d:%02d", days, hours, mins, secs);
610 else if (hours != 0)
611 asprintf(&str, "%02d:%02d:%02d", hours, mins, secs);
612 else
613 asprintf(&str, "%02d:%02d", mins, secs);
614
615 return (str);
616 }
617
618 char *
elapseds(KINFO * k,VARENT * ve __unused)619 elapseds(KINFO *k, VARENT *ve __unused)
620 {
621 time_t val;
622 char *str;
623
624 if (!k->ki_valid)
625 return (NULL);
626 val = now - k->ki_p->ki_start.tv_sec;
627 asprintf(&str, "%jd", (intmax_t)val);
628 return (str);
629 }
630
631 double
getpcpu(const KINFO * k)632 getpcpu(const KINFO *k)
633 {
634 static int failure;
635
636 if (!nlistread)
637 failure = donlist();
638 if (failure)
639 return (0.0);
640
641 #define fxtofl(fixpt) ((double)(fixpt) / fscale)
642
643 /* XXX - I don't like this */
644 if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
645 return (0.0);
646 if (rawcpu)
647 return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
648 return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
649 (1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
650 }
651
652 char *
pcpu(KINFO * k,VARENT * ve __unused)653 pcpu(KINFO *k, VARENT *ve __unused)
654 {
655 char *str;
656
657 asprintf(&str, "%.1f", getpcpu(k));
658 return (str);
659 }
660
661 static double
getpmem(KINFO * k)662 getpmem(KINFO *k)
663 {
664 static int failure;
665 double fracmem;
666
667 if (!nlistread)
668 failure = donlist();
669 if (failure)
670 return (0.0);
671
672 if ((k->ki_p->ki_flag & P_INMEM) == 0)
673 return (0.0);
674 /* XXX want pmap ptpages, segtab, etc. (per architecture) */
675 /* XXX don't have info about shared */
676 fracmem = ((double)k->ki_p->ki_rssize) / mempages;
677 return (100.0 * fracmem);
678 }
679
680 char *
pmem(KINFO * k,VARENT * ve __unused)681 pmem(KINFO *k, VARENT *ve __unused)
682 {
683 char *str;
684
685 asprintf(&str, "%.1f", getpmem(k));
686 return (str);
687 }
688
689 char *
pagein(KINFO * k,VARENT * ve __unused)690 pagein(KINFO *k, VARENT *ve __unused)
691 {
692 char *str;
693
694 asprintf(&str, "%ld", k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
695 return (str);
696 }
697
698 /* ARGSUSED */
699 char *
maxrss(KINFO * k __unused,VARENT * ve __unused)700 maxrss(KINFO *k __unused, VARENT *ve __unused)
701 {
702
703 /* XXX not yet */
704 return (NULL);
705 }
706
707 char *
priorityr(KINFO * k,VARENT * ve __unused)708 priorityr(KINFO *k, VARENT *ve __unused)
709 {
710 struct priority *lpri;
711 char *str;
712 unsigned class, level;
713
714 lpri = &k->ki_p->ki_pri;
715 class = lpri->pri_class;
716 level = lpri->pri_level;
717 switch (class) {
718 case RTP_PRIO_REALTIME:
719 /* alias for PRI_REALTIME */
720 asprintf(&str, "real:%u", level - PRI_MIN_REALTIME);
721 break;
722 case RTP_PRIO_NORMAL:
723 /* alias for PRI_TIMESHARE */
724 if (level >= PRI_MIN_TIMESHARE)
725 asprintf(&str, "normal:%u", level - PRI_MIN_TIMESHARE);
726 else
727 asprintf(&str, "kernel:%u", level - PRI_MIN_KERN);
728 break;
729 case RTP_PRIO_IDLE:
730 /* alias for PRI_IDLE */
731 asprintf(&str, "idle:%u", level - PRI_MIN_IDLE);
732 break;
733 case RTP_PRIO_ITHD:
734 /* alias for PRI_ITHD */
735 asprintf(&str, "intr:%u", level - PRI_MIN_ITHD);
736 break;
737 default:
738 asprintf(&str, "%u:%u", class, level);
739 break;
740 }
741 return (str);
742 }
743
744 /*
745 * Generic output routines. Print fields from various prototype
746 * structures.
747 */
748 static char *
printval(void * bp,VAR * v)749 printval(void *bp, VAR *v)
750 {
751 static char ofmt[32] = "%";
752 const char *fcp;
753 char *cp, *str;
754
755 cp = ofmt + 1;
756 fcp = v->fmt;
757 while ((*cp++ = *fcp++));
758
759 #define CHKINF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
760
761 switch (v->type) {
762 case CHAR:
763 (void)asprintf(&str, ofmt, *(char *)bp);
764 break;
765 case UCHAR:
766 (void)asprintf(&str, ofmt, *(u_char *)bp);
767 break;
768 case SHORT:
769 (void)asprintf(&str, ofmt, *(short *)bp);
770 break;
771 case USHORT:
772 (void)asprintf(&str, ofmt, *(u_short *)bp);
773 break;
774 case INT:
775 (void)asprintf(&str, ofmt, *(int *)bp);
776 break;
777 case UINT:
778 (void)asprintf(&str, ofmt, CHKINF127(*(u_int *)bp));
779 break;
780 case LONG:
781 (void)asprintf(&str, ofmt, *(long *)bp);
782 break;
783 case ULONG:
784 (void)asprintf(&str, ofmt, *(u_long *)bp);
785 break;
786 case KPTR:
787 (void)asprintf(&str, ofmt, *(u_long *)bp);
788 break;
789 case PGTOK:
790 (void)asprintf(&str, ofmt, ps_pgtok(*(u_long *)bp));
791 break;
792 }
793
794 return (str);
795 }
796
797 char *
kvar(KINFO * k,VARENT * ve)798 kvar(KINFO *k, VARENT *ve)
799 {
800 VAR *v;
801
802 v = ve->var;
803 return (printval((char *)((char *)k->ki_p + v->off), v));
804 }
805
806 char *
rvar(KINFO * k,VARENT * ve)807 rvar(KINFO *k, VARENT *ve)
808 {
809 VAR *v;
810
811 v = ve->var;
812 if (!k->ki_valid)
813 return (NULL);
814 return (printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v));
815 }
816
817 char *
emulname(KINFO * k,VARENT * ve __unused)818 emulname(KINFO *k, VARENT *ve __unused)
819 {
820
821 return (strdup(k->ki_p->ki_emul));
822 }
823
824 char *
label(KINFO * k,VARENT * ve __unused)825 label(KINFO *k, VARENT *ve __unused)
826 {
827 char *string;
828 mac_t proclabel;
829 int error;
830
831 string = NULL;
832 if (mac_prepare_process_label(&proclabel) == -1) {
833 xo_warn("mac_prepare_process_label");
834 goto out;
835 }
836 error = mac_get_pid(k->ki_p->ki_pid, proclabel);
837 if (error == 0) {
838 if (mac_to_text(proclabel, &string) == -1)
839 string = NULL;
840 }
841 mac_free(proclabel);
842 out:
843 return (string);
844 }
845
846 char *
loginclass(KINFO * k,VARENT * ve __unused)847 loginclass(KINFO *k, VARENT *ve __unused)
848 {
849
850 /*
851 * Don't display login class for system processes;
852 * login classes are used for resource limits,
853 * and limits don't apply to system processes.
854 */
855 if (k->ki_p->ki_flag & P_SYSTEM) {
856 return (strdup("-"));
857 }
858 return (strdup(k->ki_p->ki_loginclass));
859 }
860
861 char *
jailname(KINFO * k,VARENT * ve __unused)862 jailname(KINFO *k, VARENT *ve __unused)
863 {
864 char *name;
865
866 if (k->ki_p->ki_jid == 0)
867 return (strdup("-"));
868 name = jail_getname(k->ki_p->ki_jid);
869 if (name == NULL)
870 return (strdup("-"));
871 return (name);
872 }
873