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 __FBSDID("$FreeBSD$");
40
41 #include <sys/param.h>
42 #include <sys/time.h>
43 #include <sys/resource.h>
44 #include <sys/proc.h>
45 #include <sys/stat.h>
46
47 #include <sys/mac.h>
48 #include <sys/user.h>
49 #include <sys/sysctl.h>
50 #include <sys/vmmeter.h>
51
52 #include <err.h>
53 #include <grp.h>
54 #include <jail.h>
55 #include <langinfo.h>
56 #include <locale.h>
57 #include <math.h>
58 #include <nlist.h>
59 #include <pwd.h>
60 #include <stddef.h>
61 #include <stdint.h>
62 #include <stdio.h>
63 #include <stdlib.h>
64 #include <string.h>
65 #include <unistd.h>
66 #include <vis.h>
67 #include <libxo/xo.h>
68
69 #include "ps.h"
70
71 #define COMMAND_WIDTH 16
72 #define ARGUMENTS_WIDTH 16
73
74 #define ps_pgtok(a) (((a) * getpagesize()) / 1024)
75
76 void
printheader(void)77 printheader(void)
78 {
79 VAR *v;
80 struct varent *vent;
81
82 STAILQ_FOREACH(vent, &varlist, next_ve)
83 if (*vent->header != '\0')
84 break;
85 if (!vent)
86 return;
87
88 STAILQ_FOREACH(vent, &varlist, next_ve) {
89 v = vent->var;
90 if (v->flag & LJUST) {
91 if (STAILQ_NEXT(vent, next_ve) == NULL) /* last one */
92 xo_emit("{T:/%hs}", vent->header);
93 else
94 xo_emit("{T:/%-*hs}", v->width, vent->header);
95 } else
96 xo_emit("{T:/%*hs}", v->width, vent->header);
97 if (STAILQ_NEXT(vent, next_ve) != NULL)
98 xo_emit("{P: }");
99 }
100 xo_emit("\n");
101 }
102
103 char *
arguments(KINFO * k,VARENT * ve)104 arguments(KINFO *k, VARENT *ve)
105 {
106 char *vis_args;
107
108 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
109 xo_errx(1, "malloc failed");
110 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
111
112 if (STAILQ_NEXT(ve, next_ve) != NULL && strlen(vis_args) > ARGUMENTS_WIDTH)
113 vis_args[ARGUMENTS_WIDTH] = '\0';
114
115 return (vis_args);
116 }
117
118 char *
command(KINFO * k,VARENT * ve)119 command(KINFO *k, VARENT *ve)
120 {
121 char *vis_args, *vis_env, *str;
122
123 if (cflag) {
124 /* If it is the last field, then don't pad */
125 if (STAILQ_NEXT(ve, next_ve) == NULL) {
126 asprintf(&str, "%s%s%s%s%s",
127 k->ki_d.prefix ? k->ki_d.prefix : "",
128 k->ki_p->ki_comm,
129 (showthreads && k->ki_p->ki_numthreads > 1) ? "/" : "",
130 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_tdname : "",
131 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_moretdname : "");
132 } else
133 str = strdup(k->ki_p->ki_comm);
134
135 return (str);
136 }
137 if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
138 xo_errx(1, "malloc failed");
139 strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
140
141 if (STAILQ_NEXT(ve, next_ve) == NULL) {
142 /* last field */
143
144 if (k->ki_env) {
145 if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1))
146 == NULL)
147 xo_errx(1, "malloc failed");
148 strvis(vis_env, k->ki_env,
149 VIS_TAB | VIS_NL | VIS_NOSLASH);
150 } else
151 vis_env = NULL;
152
153 asprintf(&str, "%s%s%s%s",
154 k->ki_d.prefix ? k->ki_d.prefix : "",
155 vis_env ? vis_env : "",
156 vis_env ? " " : "",
157 vis_args);
158
159 if (vis_env != NULL)
160 free(vis_env);
161 free(vis_args);
162 } else {
163 /* ki_d.prefix & ki_env aren't shown for interim fields */
164 str = vis_args;
165
166 if (strlen(str) > COMMAND_WIDTH)
167 str[COMMAND_WIDTH] = '\0';
168 }
169
170 return (str);
171 }
172
173 char *
ucomm(KINFO * k,VARENT * ve)174 ucomm(KINFO *k, VARENT *ve)
175 {
176 char *str;
177
178 if (STAILQ_NEXT(ve, next_ve) == NULL) { /* last field, don't pad */
179 asprintf(&str, "%s%s%s%s%s",
180 k->ki_d.prefix ? k->ki_d.prefix : "",
181 k->ki_p->ki_comm,
182 (showthreads && k->ki_p->ki_numthreads > 1) ? "/" : "",
183 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_tdname : "",
184 (showthreads && k->ki_p->ki_numthreads > 1) ? k->ki_p->ki_moretdname : "");
185 } else {
186 if (showthreads && k->ki_p->ki_numthreads > 1)
187 asprintf(&str, "%s/%s%s", k->ki_p->ki_comm,
188 k->ki_p->ki_tdname, k->ki_p->ki_moretdname);
189 else
190 str = strdup(k->ki_p->ki_comm);
191 }
192 return (str);
193 }
194
195 char *
tdnam(KINFO * k,VARENT * ve __unused)196 tdnam(KINFO *k, VARENT *ve __unused)
197 {
198 char *str;
199
200 if (showthreads && k->ki_p->ki_numthreads > 1)
201 asprintf(&str, "%s%s", k->ki_p->ki_tdname,
202 k->ki_p->ki_moretdname);
203 else
204 str = strdup(" ");
205
206 return (str);
207 }
208
209 char *
logname(KINFO * k,VARENT * ve __unused)210 logname(KINFO *k, VARENT *ve __unused)
211 {
212
213 if (*k->ki_p->ki_login == '\0')
214 return (NULL);
215 return (strdup(k->ki_p->ki_login));
216 }
217
218 char *
state(KINFO * k,VARENT * ve __unused)219 state(KINFO *k, VARENT *ve __unused)
220 {
221 long flag, tdflags;
222 char *cp, *buf;
223
224 buf = malloc(16);
225 if (buf == NULL)
226 xo_errx(1, "malloc failed");
227
228 flag = k->ki_p->ki_flag;
229 tdflags = k->ki_p->ki_tdflags; /* XXXKSE */
230 cp = buf;
231
232 switch (k->ki_p->ki_stat) {
233
234 case SSTOP:
235 *cp = 'T';
236 break;
237
238 case SSLEEP:
239 if (tdflags & TDF_SINTR) /* interruptible (long) */
240 *cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
241 else
242 *cp = 'D';
243 break;
244
245 case SRUN:
246 case SIDL:
247 *cp = 'R';
248 break;
249
250 case SWAIT:
251 *cp = 'W';
252 break;
253
254 case SLOCK:
255 *cp = 'L';
256 break;
257
258 case SZOMB:
259 *cp = 'Z';
260 break;
261
262 default:
263 *cp = '?';
264 }
265 cp++;
266 if (!(flag & P_INMEM))
267 *cp++ = 'W';
268 if (k->ki_p->ki_nice < NZERO || k->ki_p->ki_pri.pri_class == PRI_REALTIME)
269 *cp++ = '<';
270 else if (k->ki_p->ki_nice > NZERO || k->ki_p->ki_pri.pri_class == PRI_IDLE)
271 *cp++ = 'N';
272 if (flag & P_TRACED)
273 *cp++ = 'X';
274 if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
275 *cp++ = 'E';
276 if (flag & P_PPWAIT)
277 *cp++ = 'V';
278 if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
279 *cp++ = 'L';
280 if ((k->ki_p->ki_cr_flags & CRED_FLAG_CAPMODE) != 0)
281 *cp++ = 'C';
282 if (k->ki_p->ki_kiflag & KI_SLEADER)
283 *cp++ = 's';
284 if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
285 *cp++ = '+';
286 if (flag & P_JAILED)
287 *cp++ = 'J';
288 *cp = '\0';
289 return (buf);
290 }
291
292 #define scalepri(x) ((x) - PZERO)
293
294 char *
pri(KINFO * k,VARENT * ve __unused)295 pri(KINFO *k, VARENT *ve __unused)
296 {
297 char *str;
298
299 asprintf(&str, "%d", scalepri(k->ki_p->ki_pri.pri_level));
300 return (str);
301 }
302
303 char *
upr(KINFO * k,VARENT * ve __unused)304 upr(KINFO *k, VARENT *ve __unused)
305 {
306 char *str;
307
308 asprintf(&str, "%d", scalepri(k->ki_p->ki_pri.pri_user));
309 return (str);
310 }
311 #undef scalepri
312
313 char *
username(KINFO * k,VARENT * ve __unused)314 username(KINFO *k, VARENT *ve __unused)
315 {
316
317 return (strdup(user_from_uid(k->ki_p->ki_uid, 0)));
318 }
319
320 char *
egroupname(KINFO * k,VARENT * ve __unused)321 egroupname(KINFO *k, VARENT *ve __unused)
322 {
323
324 return (strdup(group_from_gid(k->ki_p->ki_groups[0], 0)));
325 }
326
327 char *
rgroupname(KINFO * k,VARENT * ve __unused)328 rgroupname(KINFO *k, VARENT *ve __unused)
329 {
330
331 return (strdup(group_from_gid(k->ki_p->ki_rgid, 0)));
332 }
333
334 char *
runame(KINFO * k,VARENT * ve __unused)335 runame(KINFO *k, VARENT *ve __unused)
336 {
337
338 return (strdup(user_from_uid(k->ki_p->ki_ruid, 0)));
339 }
340
341 char *
tdev(KINFO * k,VARENT * ve __unused)342 tdev(KINFO *k, VARENT *ve __unused)
343 {
344 dev_t dev;
345 char *str;
346
347 dev = k->ki_p->ki_tdev;
348 if (dev == NODEV)
349 str = strdup("-");
350 else
351 asprintf(&str, "%#jx", (uintmax_t)dev);
352
353 return (str);
354 }
355
356 char *
tname(KINFO * k,VARENT * ve __unused)357 tname(KINFO *k, VARENT *ve __unused)
358 {
359 dev_t dev;
360 char *ttname, *str;
361
362 dev = k->ki_p->ki_tdev;
363 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
364 str = strdup("- ");
365 else {
366 if (strncmp(ttname, "tty", 3) == 0 ||
367 strncmp(ttname, "cua", 3) == 0)
368 ttname += 3;
369 if (strncmp(ttname, "pts/", 4) == 0)
370 ttname += 4;
371 asprintf(&str, "%s%c", ttname,
372 k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
373 }
374
375 return (str);
376 }
377
378 char *
longtname(KINFO * k,VARENT * ve __unused)379 longtname(KINFO *k, VARENT *ve __unused)
380 {
381 dev_t dev;
382 const char *ttname;
383
384 dev = k->ki_p->ki_tdev;
385 if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
386 ttname = "-";
387
388 return (strdup(ttname));
389 }
390
391 char *
started(KINFO * k,VARENT * ve __unused)392 started(KINFO *k, VARENT *ve __unused)
393 {
394 time_t then;
395 struct tm *tp;
396 size_t buflen = 100;
397 char *buf;
398
399 if (!k->ki_valid)
400 return (NULL);
401
402 buf = malloc(buflen);
403 if (buf == NULL)
404 xo_errx(1, "malloc failed");
405
406 then = k->ki_p->ki_start.tv_sec;
407 tp = localtime(&then);
408 if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
409 (void)strftime(buf, buflen, "%H:%M ", tp);
410 } else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
411 (void)strftime(buf, buflen, "%a%H ", tp);
412 } else
413 (void)strftime(buf, buflen, "%e%b%y", tp);
414 return (buf);
415 }
416
417 char *
lstarted(KINFO * k,VARENT * ve __unused)418 lstarted(KINFO *k, VARENT *ve __unused)
419 {
420 time_t then;
421 char *buf;
422 size_t buflen = 100;
423
424 if (!k->ki_valid)
425 return (NULL);
426
427 buf = malloc(buflen);
428 if (buf == NULL)
429 xo_errx(1, "malloc failed");
430
431 then = k->ki_p->ki_start.tv_sec;
432 (void)strftime(buf, buflen, "%c", localtime(&then));
433 return (buf);
434 }
435
436 char *
lockname(KINFO * k,VARENT * ve __unused)437 lockname(KINFO *k, VARENT *ve __unused)
438 {
439 char *str;
440
441 if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
442 if (k->ki_p->ki_lockname[0] != 0)
443 str = strdup(k->ki_p->ki_lockname);
444 else
445 str = strdup("???");
446 } else
447 str = NULL;
448
449 return (str);
450 }
451
452 char *
wchan(KINFO * k,VARENT * ve __unused)453 wchan(KINFO *k, VARENT *ve __unused)
454 {
455 char *str;
456
457 if (k->ki_p->ki_wchan) {
458 if (k->ki_p->ki_wmesg[0] != 0)
459 str = strdup(k->ki_p->ki_wmesg);
460 else
461 asprintf(&str, "%lx", (long)k->ki_p->ki_wchan);
462 } else
463 str = NULL;
464
465 return (str);
466 }
467
468 char *
nwchan(KINFO * k,VARENT * ve __unused)469 nwchan(KINFO *k, VARENT *ve __unused)
470 {
471 char *str;
472
473 if (k->ki_p->ki_wchan)
474 asprintf(&str, "%0lx", (long)k->ki_p->ki_wchan);
475 else
476 str = NULL;
477
478 return (str);
479 }
480
481 char *
mwchan(KINFO * k,VARENT * ve __unused)482 mwchan(KINFO *k, VARENT *ve __unused)
483 {
484 char *str;
485
486 if (k->ki_p->ki_wchan) {
487 if (k->ki_p->ki_wmesg[0] != 0)
488 str = strdup(k->ki_p->ki_wmesg);
489 else
490 asprintf(&str, "%lx", (long)k->ki_p->ki_wchan);
491 } else if (k->ki_p->ki_kiflag & KI_LOCKBLOCK) {
492 if (k->ki_p->ki_lockname[0]) {
493 str = strdup(k->ki_p->ki_lockname);
494 } else
495 str = strdup("???");
496 } else
497 str = NULL;
498
499 return (str);
500 }
501
502 char *
vsize(KINFO * k,VARENT * ve __unused)503 vsize(KINFO *k, VARENT *ve __unused)
504 {
505 char *str;
506
507 asprintf(&str, "%lu", (u_long)(k->ki_p->ki_size / 1024));
508 return (str);
509 }
510
511 static char *
printtime(KINFO * k,VARENT * ve __unused,long secs,long psecs)512 printtime(KINFO *k, VARENT *ve __unused, long secs, long psecs)
513 /* psecs is "parts" of a second. first micro, then centi */
514 {
515 static char decimal_point;
516 char *str;
517
518 if (decimal_point == '\0')
519 decimal_point = localeconv()->decimal_point[0];
520 if (!k->ki_valid) {
521 secs = 0;
522 psecs = 0;
523 } else {
524 /* round and scale to 100's */
525 psecs = (psecs + 5000) / 10000;
526 secs += psecs / 100;
527 psecs = psecs % 100;
528 }
529 asprintf(&str, "%ld:%02ld%c%02ld",
530 secs / 60, secs % 60, decimal_point, psecs);
531 return (str);
532 }
533
534 char *
cputime(KINFO * k,VARENT * ve)535 cputime(KINFO *k, VARENT *ve)
536 {
537 long secs, psecs;
538
539 /*
540 * This counts time spent handling interrupts. We could
541 * fix this, but it is not 100% trivial (and interrupt
542 * time fractions only work on the sparc anyway). XXX
543 */
544 secs = k->ki_p->ki_runtime / 1000000;
545 psecs = k->ki_p->ki_runtime % 1000000;
546 if (sumrusage) {
547 secs += k->ki_p->ki_childtime.tv_sec;
548 psecs += k->ki_p->ki_childtime.tv_usec;
549 }
550 return (printtime(k, ve, secs, psecs));
551 }
552
553 char *
cpunum(KINFO * k,VARENT * ve __unused)554 cpunum(KINFO *k, VARENT *ve __unused)
555 {
556 char *cpu;
557
558 if (k->ki_p->ki_stat == SRUN && k->ki_p->ki_oncpu != NOCPU) {
559 asprintf(&cpu, "%d", k->ki_p->ki_oncpu);
560 } else {
561 asprintf(&cpu, "%d", k->ki_p->ki_lastcpu);
562 }
563 return (cpu);
564 }
565
566 char *
systime(KINFO * k,VARENT * ve)567 systime(KINFO *k, VARENT *ve)
568 {
569 long secs, psecs;
570
571 secs = k->ki_p->ki_rusage.ru_stime.tv_sec;
572 psecs = k->ki_p->ki_rusage.ru_stime.tv_usec;
573 if (sumrusage) {
574 secs += k->ki_p->ki_childstime.tv_sec;
575 psecs += k->ki_p->ki_childstime.tv_usec;
576 }
577 return (printtime(k, ve, secs, psecs));
578 }
579
580 char *
usertime(KINFO * k,VARENT * ve)581 usertime(KINFO *k, VARENT *ve)
582 {
583 long secs, psecs;
584
585 secs = k->ki_p->ki_rusage.ru_utime.tv_sec;
586 psecs = k->ki_p->ki_rusage.ru_utime.tv_usec;
587 if (sumrusage) {
588 secs += k->ki_p->ki_childutime.tv_sec;
589 psecs += k->ki_p->ki_childutime.tv_usec;
590 }
591 return (printtime(k, ve, secs, psecs));
592 }
593
594 char *
elapsed(KINFO * k,VARENT * ve __unused)595 elapsed(KINFO *k, VARENT *ve __unused)
596 {
597 time_t val;
598 int days, hours, mins, secs;
599 char *str;
600
601 if (!k->ki_valid)
602 return (NULL);
603 val = now - k->ki_p->ki_start.tv_sec;
604 days = val / (24 * 60 * 60);
605 val %= 24 * 60 * 60;
606 hours = val / (60 * 60);
607 val %= 60 * 60;
608 mins = val / 60;
609 secs = val % 60;
610 if (days != 0)
611 asprintf(&str, "%3d-%02d:%02d:%02d", days, hours, mins, secs);
612 else if (hours != 0)
613 asprintf(&str, "%02d:%02d:%02d", hours, mins, secs);
614 else
615 asprintf(&str, "%02d:%02d", mins, secs);
616
617 return (str);
618 }
619
620 char *
elapseds(KINFO * k,VARENT * ve __unused)621 elapseds(KINFO *k, VARENT *ve __unused)
622 {
623 time_t val;
624 char *str;
625
626 if (!k->ki_valid)
627 return (NULL);
628 val = now - k->ki_p->ki_start.tv_sec;
629 asprintf(&str, "%jd", (intmax_t)val);
630 return (str);
631 }
632
633 double
getpcpu(const KINFO * k)634 getpcpu(const KINFO *k)
635 {
636 static int failure;
637
638 if (!nlistread)
639 failure = donlist();
640 if (failure)
641 return (0.0);
642
643 #define fxtofl(fixpt) ((double)(fixpt) / fscale)
644
645 /* XXX - I don't like this */
646 if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
647 return (0.0);
648 if (rawcpu)
649 return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
650 return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
651 (1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
652 }
653
654 char *
pcpu(KINFO * k,VARENT * ve __unused)655 pcpu(KINFO *k, VARENT *ve __unused)
656 {
657 char *str;
658
659 asprintf(&str, "%.1f", getpcpu(k));
660 return (str);
661 }
662
663 static double
getpmem(KINFO * k)664 getpmem(KINFO *k)
665 {
666 static int failure;
667 double fracmem;
668
669 if (!nlistread)
670 failure = donlist();
671 if (failure)
672 return (0.0);
673
674 if ((k->ki_p->ki_flag & P_INMEM) == 0)
675 return (0.0);
676 /* XXX want pmap ptpages, segtab, etc. (per architecture) */
677 /* XXX don't have info about shared */
678 fracmem = ((double)k->ki_p->ki_rssize) / mempages;
679 return (100.0 * fracmem);
680 }
681
682 char *
pmem(KINFO * k,VARENT * ve __unused)683 pmem(KINFO *k, VARENT *ve __unused)
684 {
685 char *str;
686
687 asprintf(&str, "%.1f", getpmem(k));
688 return (str);
689 }
690
691 char *
pagein(KINFO * k,VARENT * ve __unused)692 pagein(KINFO *k, VARENT *ve __unused)
693 {
694 char *str;
695
696 asprintf(&str, "%ld", k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
697 return (str);
698 }
699
700 /* ARGSUSED */
701 char *
maxrss(KINFO * k __unused,VARENT * ve __unused)702 maxrss(KINFO *k __unused, VARENT *ve __unused)
703 {
704
705 /* XXX not yet */
706 return (NULL);
707 }
708
709 char *
priorityr(KINFO * k,VARENT * ve __unused)710 priorityr(KINFO *k, VARENT *ve __unused)
711 {
712 struct priority *lpri;
713 char *str;
714 unsigned class, level;
715
716 lpri = &k->ki_p->ki_pri;
717 class = lpri->pri_class;
718 level = lpri->pri_level;
719 switch (class) {
720 case RTP_PRIO_REALTIME:
721 /* alias for PRI_REALTIME */
722 asprintf(&str, "real:%u", level - PRI_MIN_REALTIME);
723 break;
724 case RTP_PRIO_NORMAL:
725 /* alias for PRI_TIMESHARE */
726 if (level >= PRI_MIN_TIMESHARE)
727 asprintf(&str, "normal:%u", level - PRI_MIN_TIMESHARE);
728 else
729 asprintf(&str, "kernel:%u", level - PRI_MIN_KERN);
730 break;
731 case RTP_PRIO_IDLE:
732 /* alias for PRI_IDLE */
733 asprintf(&str, "idle:%u", level - PRI_MIN_IDLE);
734 break;
735 case RTP_PRIO_ITHD:
736 /* alias for PRI_ITHD */
737 asprintf(&str, "intr:%u", level - PRI_MIN_ITHD);
738 break;
739 default:
740 asprintf(&str, "%u:%u", class, level);
741 break;
742 }
743 return (str);
744 }
745
746 /*
747 * Generic output routines. Print fields from various prototype
748 * structures.
749 */
750 static char *
printval(void * bp,VAR * v)751 printval(void *bp, VAR *v)
752 {
753 static char ofmt[32] = "%";
754 const char *fcp;
755 char *cp, *str;
756
757 cp = ofmt + 1;
758 fcp = v->fmt;
759 while ((*cp++ = *fcp++));
760
761 #define CHKINF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
762
763 switch (v->type) {
764 case CHAR:
765 (void)asprintf(&str, ofmt, *(char *)bp);
766 break;
767 case UCHAR:
768 (void)asprintf(&str, ofmt, *(u_char *)bp);
769 break;
770 case SHORT:
771 (void)asprintf(&str, ofmt, *(short *)bp);
772 break;
773 case USHORT:
774 (void)asprintf(&str, ofmt, *(u_short *)bp);
775 break;
776 case INT:
777 (void)asprintf(&str, ofmt, *(int *)bp);
778 break;
779 case UINT:
780 (void)asprintf(&str, ofmt, CHKINF127(*(u_int *)bp));
781 break;
782 case LONG:
783 (void)asprintf(&str, ofmt, *(long *)bp);
784 break;
785 case ULONG:
786 (void)asprintf(&str, ofmt, *(u_long *)bp);
787 break;
788 case KPTR:
789 (void)asprintf(&str, ofmt, *(u_long *)bp);
790 break;
791 case PGTOK:
792 (void)asprintf(&str, ofmt, ps_pgtok(*(u_long *)bp));
793 break;
794 }
795
796 return (str);
797 }
798
799 char *
kvar(KINFO * k,VARENT * ve)800 kvar(KINFO *k, VARENT *ve)
801 {
802 VAR *v;
803
804 v = ve->var;
805 return (printval((char *)((char *)k->ki_p + v->off), v));
806 }
807
808 char *
rvar(KINFO * k,VARENT * ve)809 rvar(KINFO *k, VARENT *ve)
810 {
811 VAR *v;
812
813 v = ve->var;
814 if (!k->ki_valid)
815 return (NULL);
816 return (printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v));
817 }
818
819 char *
emulname(KINFO * k,VARENT * ve __unused)820 emulname(KINFO *k, VARENT *ve __unused)
821 {
822
823 return (strdup(k->ki_p->ki_emul));
824 }
825
826 char *
label(KINFO * k,VARENT * ve __unused)827 label(KINFO *k, VARENT *ve __unused)
828 {
829 char *string;
830 mac_t proclabel;
831 int error;
832
833 string = NULL;
834 if (mac_prepare_process_label(&proclabel) == -1) {
835 xo_warn("mac_prepare_process_label");
836 goto out;
837 }
838 error = mac_get_pid(k->ki_p->ki_pid, proclabel);
839 if (error == 0) {
840 if (mac_to_text(proclabel, &string) == -1)
841 string = NULL;
842 }
843 mac_free(proclabel);
844 out:
845 return (string);
846 }
847
848 char *
loginclass(KINFO * k,VARENT * ve __unused)849 loginclass(KINFO *k, VARENT *ve __unused)
850 {
851
852 /*
853 * Don't display login class for system processes;
854 * login classes are used for resource limits,
855 * and limits don't apply to system processes.
856 */
857 if (k->ki_p->ki_flag & P_SYSTEM) {
858 return (strdup("-"));
859 }
860 return (strdup(k->ki_p->ki_loginclass));
861 }
862
863 char *
jailname(KINFO * k,VARENT * ve __unused)864 jailname(KINFO *k, VARENT *ve __unused)
865 {
866 char *name;
867
868 if (k->ki_p->ki_jid == 0)
869 return (strdup("-"));
870 name = jail_getname(k->ki_p->ki_jid);
871 if (name == NULL)
872 return (strdup("-"));
873 return (name);
874 }
875