1 /*-
2 * Copyright (c) 1990, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #if 0
31 #ifndef lint
32 static char sccsid[] = "@(#)print.c 8.6 (Berkeley) 4/16/94";
33 #endif /* not lint */
34 #endif
35
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
38
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:/%s}", vent->header);
91 else
92 xo_emit("{T:/%-*s}", v->width, vent->header);
93 } else
94 xo_emit("{T:/%*s}", 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) /* interruptable (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 *
uname(KINFO * k,VARENT * ve __unused)312 uname(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 *
systime(KINFO * k,VARENT * ve)552 systime(KINFO *k, VARENT *ve)
553 {
554 long secs, psecs;
555
556 secs = k->ki_p->ki_rusage.ru_stime.tv_sec;
557 psecs = k->ki_p->ki_rusage.ru_stime.tv_usec;
558 if (sumrusage) {
559 secs += k->ki_p->ki_childstime.tv_sec;
560 psecs += k->ki_p->ki_childstime.tv_usec;
561 }
562 return (printtime(k, ve, secs, psecs));
563 }
564
565 char *
usertime(KINFO * k,VARENT * ve)566 usertime(KINFO *k, VARENT *ve)
567 {
568 long secs, psecs;
569
570 secs = k->ki_p->ki_rusage.ru_utime.tv_sec;
571 psecs = k->ki_p->ki_rusage.ru_utime.tv_usec;
572 if (sumrusage) {
573 secs += k->ki_p->ki_childutime.tv_sec;
574 psecs += k->ki_p->ki_childutime.tv_usec;
575 }
576 return (printtime(k, ve, secs, psecs));
577 }
578
579 char *
elapsed(KINFO * k,VARENT * ve __unused)580 elapsed(KINFO *k, VARENT *ve __unused)
581 {
582 time_t val;
583 int days, hours, mins, secs;
584 char *str;
585
586 if (!k->ki_valid)
587 return (NULL);
588 val = now - k->ki_p->ki_start.tv_sec;
589 days = val / (24 * 60 * 60);
590 val %= 24 * 60 * 60;
591 hours = val / (60 * 60);
592 val %= 60 * 60;
593 mins = val / 60;
594 secs = val % 60;
595 if (days != 0)
596 asprintf(&str, "%3d-%02d:%02d:%02d", days, hours, mins, secs);
597 else if (hours != 0)
598 asprintf(&str, "%02d:%02d:%02d", hours, mins, secs);
599 else
600 asprintf(&str, "%02d:%02d", mins, secs);
601
602 return (str);
603 }
604
605 char *
elapseds(KINFO * k,VARENT * ve __unused)606 elapseds(KINFO *k, VARENT *ve __unused)
607 {
608 time_t val;
609 char *str;
610
611 if (!k->ki_valid)
612 return (NULL);
613 val = now - k->ki_p->ki_start.tv_sec;
614 asprintf(&str, "%jd", (intmax_t)val);
615 return (str);
616 }
617
618 double
getpcpu(const KINFO * k)619 getpcpu(const KINFO *k)
620 {
621 static int failure;
622
623 if (!nlistread)
624 failure = donlist();
625 if (failure)
626 return (0.0);
627
628 #define fxtofl(fixpt) ((double)(fixpt) / fscale)
629
630 /* XXX - I don't like this */
631 if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
632 return (0.0);
633 if (rawcpu)
634 return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
635 return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
636 (1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
637 }
638
639 char *
pcpu(KINFO * k,VARENT * ve __unused)640 pcpu(KINFO *k, VARENT *ve __unused)
641 {
642 char *str;
643
644 asprintf(&str, "%.1f", getpcpu(k));
645 return (str);
646 }
647
648 static double
getpmem(KINFO * k)649 getpmem(KINFO *k)
650 {
651 static int failure;
652 double fracmem;
653
654 if (!nlistread)
655 failure = donlist();
656 if (failure)
657 return (0.0);
658
659 if ((k->ki_p->ki_flag & P_INMEM) == 0)
660 return (0.0);
661 /* XXX want pmap ptpages, segtab, etc. (per architecture) */
662 /* XXX don't have info about shared */
663 fracmem = ((float)k->ki_p->ki_rssize) / mempages;
664 return (100.0 * fracmem);
665 }
666
667 char *
pmem(KINFO * k,VARENT * ve __unused)668 pmem(KINFO *k, VARENT *ve __unused)
669 {
670 char *str;
671
672 asprintf(&str, "%.1f", getpmem(k));
673 return (str);
674 }
675
676 char *
pagein(KINFO * k,VARENT * ve __unused)677 pagein(KINFO *k, VARENT *ve __unused)
678 {
679 char *str;
680
681 asprintf(&str, "%ld", k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
682 return (str);
683 }
684
685 /* ARGSUSED */
686 char *
maxrss(KINFO * k __unused,VARENT * ve __unused)687 maxrss(KINFO *k __unused, VARENT *ve __unused)
688 {
689
690 /* XXX not yet */
691 return (NULL);
692 }
693
694 char *
priorityr(KINFO * k,VARENT * ve __unused)695 priorityr(KINFO *k, VARENT *ve __unused)
696 {
697 struct priority *lpri;
698 char *str;
699 unsigned class, level;
700
701 lpri = &k->ki_p->ki_pri;
702 class = lpri->pri_class;
703 level = lpri->pri_level;
704 switch (class) {
705 case PRI_ITHD:
706 asprintf(&str, "intr:%u", level);
707 break;
708 case PRI_REALTIME:
709 asprintf(&str, "real:%u", level);
710 break;
711 case PRI_TIMESHARE:
712 asprintf(&str, "normal");
713 break;
714 case PRI_IDLE:
715 asprintf(&str, "idle:%u", level);
716 break;
717 default:
718 asprintf(&str, "%u:%u", class, level);
719 break;
720 }
721 return (str);
722 }
723
724 /*
725 * Generic output routines. Print fields from various prototype
726 * structures.
727 */
728 static char *
printval(void * bp,VAR * v)729 printval(void *bp, VAR *v)
730 {
731 static char ofmt[32] = "%";
732 const char *fcp;
733 char *cp, *str;
734
735 cp = ofmt + 1;
736 fcp = v->fmt;
737 while ((*cp++ = *fcp++));
738
739 #define CHKINF127(n) (((n) > 127) && (v->flag & INF127) ? 127 : (n))
740
741 switch (v->type) {
742 case CHAR:
743 (void)asprintf(&str, ofmt, *(char *)bp);
744 break;
745 case UCHAR:
746 (void)asprintf(&str, ofmt, *(u_char *)bp);
747 break;
748 case SHORT:
749 (void)asprintf(&str, ofmt, *(short *)bp);
750 break;
751 case USHORT:
752 (void)asprintf(&str, ofmt, *(u_short *)bp);
753 break;
754 case INT:
755 (void)asprintf(&str, ofmt, *(int *)bp);
756 break;
757 case UINT:
758 (void)asprintf(&str, ofmt, CHKINF127(*(u_int *)bp));
759 break;
760 case LONG:
761 (void)asprintf(&str, ofmt, *(long *)bp);
762 break;
763 case ULONG:
764 (void)asprintf(&str, ofmt, *(u_long *)bp);
765 break;
766 case KPTR:
767 (void)asprintf(&str, ofmt, *(u_long *)bp);
768 break;
769 case PGTOK:
770 (void)asprintf(&str, ofmt, ps_pgtok(*(u_long *)bp));
771 break;
772 default:
773 xo_errx(1, "unknown type %d", v->type);
774 }
775
776 return (str);
777 }
778
779 char *
kvar(KINFO * k,VARENT * ve)780 kvar(KINFO *k, VARENT *ve)
781 {
782 VAR *v;
783
784 v = ve->var;
785 return (printval((char *)((char *)k->ki_p + v->off), v));
786 }
787
788 char *
rvar(KINFO * k,VARENT * ve)789 rvar(KINFO *k, VARENT *ve)
790 {
791 VAR *v;
792
793 v = ve->var;
794 if (!k->ki_valid)
795 return (NULL);
796 return (printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v));
797 }
798
799 char *
emulname(KINFO * k,VARENT * ve __unused)800 emulname(KINFO *k, VARENT *ve __unused)
801 {
802
803 return (strdup(k->ki_p->ki_emul));
804 }
805
806 char *
label(KINFO * k,VARENT * ve __unused)807 label(KINFO *k, VARENT *ve __unused)
808 {
809 char *string;
810 mac_t proclabel;
811 int error;
812
813 string = NULL;
814 if (mac_prepare_process_label(&proclabel) == -1) {
815 xo_warn("mac_prepare_process_label");
816 goto out;
817 }
818 error = mac_get_pid(k->ki_p->ki_pid, proclabel);
819 if (error == 0) {
820 if (mac_to_text(proclabel, &string) == -1)
821 string = NULL;
822 }
823 mac_free(proclabel);
824 out:
825 return (string);
826 }
827
828 char *
loginclass(KINFO * k,VARENT * ve __unused)829 loginclass(KINFO *k, VARENT *ve __unused)
830 {
831
832 /*
833 * Don't display login class for system processes;
834 * login classes are used for resource limits,
835 * and limits don't apply to system processes.
836 */
837 if (k->ki_p->ki_flag & P_SYSTEM) {
838 return (strdup("-"));
839 }
840 return (strdup(k->ki_p->ki_loginclass));
841 }
842
843 char *
jailname(KINFO * k,VARENT * ve __unused)844 jailname(KINFO *k, VARENT *ve __unused)
845 {
846 char *name;
847
848 if (k->ki_p->ki_jid == 0)
849 return (strdup("-"));
850 name = jail_getname(k->ki_p->ki_jid);
851 if (name == NULL)
852 return (strdup("-"));
853 return (name);
854 }
855