Annotation of src/usr.bin/kdump/kdump.c, Revision 1.158
1.158 ! visa 1: /* $OpenBSD: kdump.c,v 1.157 2023/04/16 19:42:40 otto Exp $ */
1.4 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1988, 1993
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.
1.21 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 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: #include <sys/time.h>
1.97 deraadt 33: #include <sys/signal.h>
1.1 deraadt 34: #include <sys/uio.h>
35: #include <sys/ktrace.h>
36: #include <sys/ioctl.h>
1.62 otto 37: #include <sys/malloc.h>
38: #include <sys/namei.h>
1.1 deraadt 39: #include <sys/ptrace.h>
1.62 otto 40: #include <sys/sem.h>
41: #include <sys/shm.h>
1.51 otto 42: #include <sys/socket.h>
1.28 deraadt 43: #include <sys/sysctl.h>
1.63 deraadt 44: #include <sys/siginfo.h>
1.62 otto 45: #include <sys/vmmeter.h>
46: #include <sys/tty.h>
1.82 guenther 47: #include <sys/wait.h>
1.117 deraadt 48: #define PLEDGENAMES
49: #include <sys/pledge.h>
50: #undef PLEDGENAMES
1.1 deraadt 51: #define _KERNEL
1.84 guenther 52: #include <errno.h>
1.1 deraadt 53: #undef _KERNEL
1.62 otto 54: #include <ddb/db_var.h>
55: #include <machine/cpu.h>
1.1 deraadt 56:
1.33 tedu 57: #include <ctype.h>
1.1 deraadt 58: #include <err.h>
1.61 matthew 59: #include <fcntl.h>
1.64 guenther 60: #include <limits.h>
1.100 guenther 61: #include <netdb.h>
1.77 guenther 62: #include <poll.h>
1.1 deraadt 63: #include <signal.h>
1.145 guenther 64: #include <stddef.h>
65: #include <stdint.h>
1.1 deraadt 66: #include <stdio.h>
67: #include <stdlib.h>
68: #include <string.h>
69: #include <unistd.h>
70: #include <vis.h>
71:
72: #include "ktrace.h"
1.22 deraadt 73: #include "kdump.h"
1.51 otto 74: #include "kdump_subr.h"
1.12 espie 75: #include "extern.h"
1.146 deraadt 76:
77: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
1.1 deraadt 78:
1.141 cheloha 79: enum {
80: TIMESTAMP_NONE,
81: TIMESTAMP_ABSOLUTE,
82: TIMESTAMP_RELATIVE,
83: TIMESTAMP_ELAPSED
84: } timestamp = TIMESTAMP_NONE;
85:
86: int decimal, iohex, fancy = 1, maxdata = INT_MAX;
1.111 guenther 87: int needtid, tail, basecol;
1.1 deraadt 88: char *tracefile = DEF_TRACEFILE;
89: struct ktr_header ktr_header;
1.85 guenther 90: pid_t pid_opt = -1;
1.157 otto 91: char* utracefilter;
1.1 deraadt 92:
93: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
94:
95: #include <sys/syscall.h>
96:
97: #define KTRACE
1.19 mickey 98: #define PTRACE
1.7 deraadt 99: #define NFSCLIENT
100: #define NFSSERVER
101: #define SYSVSEM
102: #define SYSVMSG
103: #define SYSVSHM
1.110 guenther 104: #define ACCOUNTING
1.25 mickey 105: #include <kern/syscalls.c>
1.1 deraadt 106: #undef KTRACE
1.19 mickey 107: #undef PTRACE
1.7 deraadt 108: #undef NFSCLIENT
109: #undef NFSSERVER
110: #undef SYSVSEM
111: #undef SYSVMSG
112: #undef SYSVSHM
1.110 guenther 113: #undef ACCOUNTING
1.1 deraadt 114:
115:
116: static char *ptrace_ops[] = {
117: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
118: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 119: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 120: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 121: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 122: };
123:
1.37 tedu 124: static int fread_tail(void *, size_t, size_t);
1.13 millert 125: static void dumpheader(struct ktr_header *);
1.37 tedu 126: static void ktrgenio(struct ktr_genio *, size_t);
127: static void ktrnamei(const char *, size_t);
1.13 millert 128: static void ktrpsig(struct ktr_psig *);
1.93 jsg 129: static void ktrsyscall(struct ktr_syscall *, size_t);
1.94 guenther 130: static const char *kresolvsysctl(int, const int *);
1.103 guenther 131: static void ktrsysret(struct ktr_sysret *, size_t);
1.81 miod 132: static void ktruser(struct ktr_user *, size_t);
1.106 guenther 133: static void ktrexec(const char*, size_t);
1.117 deraadt 134: static void ktrpledge(struct ktr_pledge *, size_t);
1.13 millert 135: static void usage(void);
1.92 guenther 136: static void ioctldecode(int);
137: static void ptracedecode(int);
1.61 matthew 138: static void atfd(int);
1.77 guenther 139: static void polltimeout(int);
1.82 guenther 140: static void wait4pid(int);
1.83 guenther 141: static void signame(int);
142: static void semctlname(int);
143: static void shmctlname(int);
144: static void semgetname(int);
1.92 guenther 145: static void flagsandmodename(int);
1.83 guenther 146: static void clockname(int);
147: static void sockoptlevelname(int);
1.88 guenther 148: static void ktraceopname(int);
1.151 guenther 149: static void idtypeandid(int);
1.12 espie 150:
1.102 deraadt 151: static int screenwidth;
152:
1.1 deraadt 153: int
1.17 deraadt 154: main(int argc, char *argv[])
1.1 deraadt 155: {
1.37 tedu 156: int ch, silent;
157: size_t ktrlen, size;
1.17 deraadt 158: int trpoints = ALL_POINTS;
1.101 deraadt 159: const char *errstr;
1.12 espie 160: void *m;
1.1 deraadt 161:
1.102 deraadt 162: if (screenwidth == 0) {
163: struct winsize ws;
164:
165: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
166: ws.ws_col > 8)
167: screenwidth = ws.ws_col;
168: else
169: screenwidth = 80;
170: }
171:
1.157 otto 172: while ((ch = getopt(argc, argv, "f:dHlm:np:RTt:u:xX")) != -1)
1.1 deraadt 173: switch (ch) {
174: case 'f':
175: tracefile = optarg;
176: break;
177: case 'd':
178: decimal = 1;
179: break;
1.67 mikeb 180: case 'H':
181: needtid = 1;
182: break;
1.1 deraadt 183: case 'l':
184: tail = 1;
185: break;
186: case 'm':
1.101 deraadt 187: maxdata = strtonum(optarg, 0, INT_MAX, &errstr);
188: if (errstr)
189: errx(1, "-m %s: %s", optarg, errstr);
1.1 deraadt 190: break;
191: case 'n':
192: fancy = 0;
193: break;
1.17 deraadt 194: case 'p':
1.101 deraadt 195: pid_opt = strtonum(optarg, 1, INT_MAX, &errstr);
196: if (errstr)
197: errx(1, "-p %s: %s", optarg, errstr);
1.17 deraadt 198: break;
1.128 tedu 199: case 'R': /* relative timestamp */
1.141 cheloha 200: if (timestamp == TIMESTAMP_ABSOLUTE)
201: timestamp = TIMESTAMP_ELAPSED;
202: else
203: timestamp = TIMESTAMP_RELATIVE;
1.1 deraadt 204: break;
205: case 'T':
1.141 cheloha 206: if (timestamp == TIMESTAMP_RELATIVE)
207: timestamp = TIMESTAMP_ELAPSED;
208: else
209: timestamp = TIMESTAMP_ABSOLUTE;
1.1 deraadt 210: break;
211: case 't':
1.129 guenther 212: trpoints = getpoints(optarg, DEF_POINTS);
1.1 deraadt 213: if (trpoints < 0)
214: errx(1, "unknown trace point in %s", optarg);
1.157 otto 215: utracefilter = NULL;
216: break;
217: case 'u':
218: utracefilter = optarg;
219: trpoints = KTRFAC_USER;
1.1 deraadt 220: break;
1.31 tedu 221: case 'x':
222: iohex = 1;
223: break;
224: case 'X':
225: iohex = 2;
226: break;
1.1 deraadt 227: default:
228: usage();
229: }
1.5 deraadt 230: if (argc > optind)
1.1 deraadt 231: usage();
1.108 deraadt 232:
1.136 tedu 233: if (strcmp(tracefile, "-") != 0)
234: if (unveil(tracefile, "r") == -1)
1.144 beck 235: err(1, "unveil %s", tracefile);
1.140 deraadt 236: if (unveil(_PATH_PROTOCOLS, "r") == -1)
1.144 beck 237: err(1, "unveil %s", _PATH_PROTOCOLS);
1.115 deraadt 238: if (pledge("stdio rpath getpw", NULL) == -1)
1.113 deraadt 239: err(1, "pledge");
1.1 deraadt 240:
1.37 tedu 241: m = malloc(size = 1025);
1.1 deraadt 242: if (m == NULL)
1.37 tedu 243: err(1, NULL);
1.136 tedu 244: if (strcmp(tracefile, "-") != 0)
245: if (!freopen(tracefile, "r", stdin))
246: err(1, "%s", tracefile);
1.112 deraadt 247:
1.67 mikeb 248: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
249: ktr_header.ktr_type != htobe32(KTR_START))
250: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 251: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 252: silent = 0;
1.85 guenther 253: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 254: silent = 1;
1.157 otto 255: if (utracefilter == NULL && silent == 0 &&
256: trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 257: dumpheader(&ktr_header);
1.37 tedu 258: ktrlen = ktr_header.ktr_len;
1.1 deraadt 259: if (ktrlen > size) {
1.23 tedu 260: void *newm;
261:
1.64 guenther 262: if (ktrlen == SIZE_MAX)
263: errx(1, "data too long");
1.23 tedu 264: newm = realloc(m, ktrlen+1);
265: if (newm == NULL)
1.66 deraadt 266: err(1, "realloc");
1.23 tedu 267: m = newm;
1.1 deraadt 268: size = ktrlen;
269: }
270: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
271: errx(1, "data too short");
1.17 deraadt 272: if (silent)
273: continue;
1.1 deraadt 274: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
275: continue;
276: switch (ktr_header.ktr_type) {
277: case KTR_SYSCALL:
1.131 guenther 278: ktrsyscall(m, ktrlen);
1.1 deraadt 279: break;
280: case KTR_SYSRET:
1.131 guenther 281: ktrsysret(m, ktrlen);
1.1 deraadt 282: break;
283: case KTR_NAMEI:
284: ktrnamei(m, ktrlen);
285: break;
286: case KTR_GENIO:
1.131 guenther 287: ktrgenio(m, ktrlen);
1.1 deraadt 288: break;
289: case KTR_PSIG:
1.131 guenther 290: ktrpsig(m);
1.1 deraadt 291: break;
1.55 otto 292: case KTR_STRUCT:
293: ktrstruct(m, ktrlen);
294: break;
1.81 miod 295: case KTR_USER:
296: ktruser(m, ktrlen);
297: break;
1.106 guenther 298: case KTR_EXECARGS:
299: case KTR_EXECENV:
300: ktrexec(m, ktrlen);
301: break;
1.117 deraadt 302: case KTR_PLEDGE:
1.131 guenther 303: ktrpledge(m, ktrlen);
1.117 deraadt 304: break;
1.123 guenther 305: default:
306: printf("\n");
307: break;
1.1 deraadt 308: }
309: if (tail)
310: (void)fflush(stdout);
311: }
1.12 espie 312: exit(0);
1.1 deraadt 313: }
314:
1.12 espie 315: static int
1.37 tedu 316: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 317: {
318: int i;
319:
320: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
321: (void)sleep(1);
322: clearerr(stdin);
323: }
324: return (i);
325: }
326:
1.12 espie 327: static void
1.17 deraadt 328: dumpheader(struct ktr_header *kth)
1.1 deraadt 329: {
1.67 mikeb 330: static struct timespec prevtime;
1.1 deraadt 331: char unknown[64], *type;
1.67 mikeb 332: struct timespec temp;
1.1 deraadt 333:
334: switch (kth->ktr_type) {
335: case KTR_SYSCALL:
336: type = "CALL";
337: break;
338: case KTR_SYSRET:
339: type = "RET ";
340: break;
341: case KTR_NAMEI:
342: type = "NAMI";
343: break;
344: case KTR_GENIO:
345: type = "GIO ";
346: break;
347: case KTR_PSIG:
348: type = "PSIG";
349: break;
1.55 otto 350: case KTR_STRUCT:
351: type = "STRU";
352: break;
1.81 miod 353: case KTR_USER:
354: type = "USER";
355: break;
1.106 guenther 356: case KTR_EXECARGS:
357: type = "ARGS";
358: break;
359: case KTR_EXECENV:
360: type = "ENV ";
361: break;
1.117 deraadt 362: case KTR_PLEDGE:
363: type = "PLDG";
364: break;
1.1 deraadt 365: default:
1.123 guenther 366: /* htobe32() not guaranteed to work as case label */
367: if (kth->ktr_type == htobe32(KTR_START)) {
368: type = "STRT";
369: break;
370: }
1.122 guenther 371: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%u)",
1.17 deraadt 372: kth->ktr_type);
1.1 deraadt 373: type = unknown;
374: }
375:
1.111 guenther 376: basecol = printf("%6ld", (long)kth->ktr_pid);
1.67 mikeb 377: if (needtid)
1.111 guenther 378: basecol += printf("/%-7ld", (long)kth->ktr_tid);
1.148 deraadt 379: basecol += printf(" %-8s ", kth->ktr_comm);
1.141 cheloha 380: if (timestamp != TIMESTAMP_NONE) {
381: if (timestamp == TIMESTAMP_ELAPSED) {
1.128 tedu 382: if (prevtime.tv_sec == 0)
383: prevtime = kth->ktr_time;
384: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.141 cheloha 385: } else if (timestamp == TIMESTAMP_RELATIVE) {
1.67 mikeb 386: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 387: prevtime = kth->ktr_time;
388: } else
389: temp = kth->ktr_time;
1.111 guenther 390: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 391: temp.tv_nsec / 1000);
1.1 deraadt 392: }
1.111 guenther 393: basecol += printf("%s ", type);
1.1 deraadt 394: }
395:
1.92 guenther 396: /*
397: * Base Formatters
398: */
399:
400: /* some syscalls have padding that shouldn't be shown */
401: static int
402: pad(long arg)
403: {
404: /* nothing printed */
405: return (1);
406: }
407:
408: /* a formatter that just saves the argument for the next formatter */
409: int arg1;
410: static int
411: pass_two(long arg)
412: {
413: arg1 = (int)arg;
414:
415: /* nothing printed */
416: return (1);
417: }
418:
419: static int
420: pdeclong(long arg)
421: {
422: (void)printf("%ld", arg);
423: return (0);
424: }
425:
426: static int
427: pdeculong(long arg)
1.2 deraadt 428: {
1.92 guenther 429: (void)printf("%lu", arg);
430: return (0);
431: }
1.2 deraadt 432:
1.92 guenther 433: static int
434: phexlong(long arg)
435: {
436: (void)printf("%#lx", arg);
437: return (0);
438: }
1.2 deraadt 439:
1.92 guenther 440: static int
441: pnonfancy(long arg)
442: {
443: if (decimal)
444: (void)printf("%ld", arg);
1.2 deraadt 445: else
1.92 guenther 446: (void)printf("%#lx", arg);
447: return (0);
1.2 deraadt 448: }
1.1 deraadt 449:
1.52 otto 450: static void
1.92 guenther 451: pdecint(int arg)
1.52 otto 452: {
1.92 guenther 453: (void)printf("%d", arg);
1.52 otto 454: }
455:
456: static void
1.92 guenther 457: pdecuint(int arg)
1.52 otto 458: {
1.92 guenther 459: (void)printf("%u", arg);
1.52 otto 460: }
461:
462: static void
1.92 guenther 463: phexint(int arg)
1.52 otto 464: {
1.92 guenther 465: (void)printf("%#x", arg);
1.52 otto 466: }
1.92 guenther 467:
1.52 otto 468: static void
1.92 guenther 469: poctint(int arg)
470: {
471: (void)printf("%#o", arg);
472: }
473:
474:
475: #ifdef __LP64__
476:
477: /* on LP64, long long arguments are the same as long arguments */
478: #define Phexlonglong Phexlong
479: #define phexll NULL /* not actually used on LP64 */
480:
1.145 guenther 481: /* no padding before long long arguments, nor at end */
482: #define PAD64 0
483: #define END64 end_of_args
484:
1.92 guenther 485: #else /* __LP64__ */
486:
487: /* on ILP32, long long arguments are passed as two 32bit args */
488: #define Phexlonglong PASS_LONGLONG, Phexll
489:
490: static int
491: phexll(long arg2)
1.52 otto 492: {
1.92 guenther 493: long long val;
494:
495: #if _BYTE_ORDER == _LITTLE_ENDIAN
496: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
497: #else
498: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
499: #endif
500:
501: if (fancy || !decimal)
502: (void)printf("%#llx", val);
503: else
1.52 otto 504: (void)printf("%lld", val);
1.92 guenther 505: return (0);
1.52 otto 506: }
1.92 guenther 507:
1.145 guenther 508: /*
509: * Some ILP32 archs naturally align off_t arguments to 8byte boundaries
510: * Get the compiler to tell if this arch is one of them.
511: */
512: struct padding_test {
513: int padtest_one;
514: off_t padtest_two;
515: };
516: #define PAD64 (offsetof(struct padding_test,padtest_two) == 8)
517: #define END64 (PAD64 ? PASS_LONGLONG : end_of_args)
518:
1.92 guenther 519: #endif /* __LP64__ */
520:
521: static int (*long_formatters[])(long) = {
522: NULL,
523: pdeclong,
524: pdeculong,
525: phexlong,
526: pass_two,
527: pass_two,
528: phexll,
529: pad,
530: pnonfancy,
531: };
532:
533: static void (*formatters[])(int) = {
534: NULL,
535: pdecint,
536: phexint,
537: poctint,
538: pdecuint,
539: ioctldecode,
540: ptracedecode,
541: atfd,
542: polltimeout,
543: wait4pid,
544: signame,
545: semctlname,
546: shmctlname,
547: semgetname,
548: flagsandmodename,
549: clockname,
550: sockoptlevelname,
551: ktraceopname,
552: fcntlcmdname,
553: modename,
554: flagsname,
555: openflagsname,
556: atflagsname,
557: accessmodename,
558: mmapprotname,
559: mmapflagsname,
560: wait4optname,
561: sendrecvflagsname,
562: mountflagsname,
563: rebootoptname,
564: flockname,
565: sockoptname,
566: sockipprotoname,
567: socktypename,
568: sockflagsname,
569: sockfamilyname,
570: mlockallname,
571: shmatname,
572: whencename,
573: pathconfname,
574: rlimitname,
575: shutdownhowname,
576: prioname,
577: madvisebehavname,
578: msyncflagsname,
579: clocktypename,
580: rusagewho,
581: sigactionflagname,
582: sigprocmaskhowname,
583: minheritname,
584: quotactlname,
585: sigill_name,
586: sigtrap_name,
587: sigemt_name,
588: sigfpe_name,
589: sigbus_name,
590: sigsegv_name,
591: sigchld_name,
592: ktracefacname,
593: itimername,
594: sigset,
1.94 guenther 595: uidname,
596: gidname,
1.125 guenther 597: syslogflagname,
1.130 mpi 598: futexflagname,
1.151 guenther 599: waitidoptname,
600: idtypeandid,
1.92 guenther 601: };
602:
603: enum {
604: /* the end of the (known) arguments is recognized by the zero fill */
605: end_of_args = 0,
606:
607: /* negative are the negative of the index into long_formatters[] */
608: Pdeclong = -1,
609: Pdeculong = -2,
610: Phexlong = -3,
611: PASS_TWO = -4,
612:
613: /* the remaining long formatters still get called when non-fancy (-n option) */
614: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
615: PASS_LONGLONG = -5,
616: Phexll = -6,
617: PAD = -7,
618: Pnonfancy = -8,
619:
620: /* positive values are the index into formatters[] */
621: Pdecint = 1,
622: Phexint,
623: Poctint,
624: Pdecuint,
625: Ioctldecode,
626: Ptracedecode,
627: Atfd,
628: Polltimeout,
629: Wait4pid,
630: Signame,
631: Semctlname,
632: Shmctlname,
633: Semgetname,
634: Flagsandmodename,
635: Clockname,
636: Sockoptlevelname,
637: Ktraceopname,
638: Fcntlcmdname,
639: Modename,
640: Flagsname,
641: Openflagsname,
642: Atflagsname,
643: Accessmodename,
644: Mmapprotname,
645: Mmapflagsname,
646: Wait4optname,
647: Sendrecvflagsname,
648: Mountflagsname,
649: Rebootoptname,
650: Flockname,
651: Sockoptname,
652: Sockipprotoname,
653: Socktypename,
654: Sockflagsname,
655: Sockfamilyname,
656: Mlockallname,
657: Shmatname,
658: Whencename,
659: Pathconfname,
660: Rlimitname,
661: Shutdownhowname,
662: Prioname,
663: Madvisebehavname,
664: Msyncflagsname,
665: Clocktypename,
666: Rusagewho,
667: Sigactionflagname,
668: Sigprocmaskhowname,
669: Minheritname,
670: Quotactlname,
671: Sigill_name,
672: Sigtrap_name,
673: Sigemt_name,
674: Sigfpe_name,
675: Sigbus_name,
676: Sigsegv_name,
677: Sigchld_name,
678: Ktracefacname,
679: Itimername,
680: Sigset,
1.94 guenther 681: Uidname,
682: Gidname,
1.125 guenther 683: Syslogflagname,
1.130 mpi 684: Futexflagname,
1.151 guenther 685: Waitidoptname,
686: Idtypeandid,
1.92 guenther 687: };
688:
689: #define Pptr Phexlong
690: #define Psize Pdeculong /* size_t for small buffers */
691: #define Pbigsize Phexlong /* size_t for I/O buffers */
692: #define Pcount Pdecint /* int for a count of something */
693: #define Pfd Pdecint
694: #define Ppath Phexlong
695: #define Pdev_t Pdecint
696: #define Ppid_t Pdecint
697: #define Ppgid Pdecint /* pid or negative pgid */
698: #define Poff_t Phexlonglong
699: #define Pmsqid Pdecint
700: #define Pshmid Pdecint
701: #define Psemid Pdecint
702: #define Pkey_t Pdecint
703: #define Pucount Pdecuint
704: #define Chflagsname Phexlong /* to be added */
705: #define Sockprotoname Phexlong /* to be added */
706: #define Swapctlname Phexlong /* to be added */
707: #define Msgflgname Phexlong /* to be added */
708:
709:
1.151 guenther 710: /* includes relevant entries as of syscalls.master rev 1.238 */
1.92 guenther 711: typedef signed char formatter;
712: static const formatter scargs[][8] = {
713: [SYS_exit] = { Pdecint },
714: [SYS_read] = { Pfd, Pptr, Pbigsize },
715: [SYS_write] = { Pfd, Pptr, Pbigsize },
716: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
717: [SYS_close] = { Pfd },
718: [SYS_getentropy] = { Pptr, Psize },
719: [SYS___tfork] = { Pptr, Psize },
720: [SYS_link] = { Ppath, Ppath },
721: [SYS_unlink] = { Ppath },
722: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
723: [SYS_chdir] = { Ppath },
724: [SYS_fchdir] = { Pfd },
725: [SYS_mknod] = { Ppath, Modename, Pdev_t },
726: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 727: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 728: [SYS_break] = { Pptr },
729: [SYS_getrusage] = { Rusagewho, Pptr },
730: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
731: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 732: [SYS_setuid] = { Uidname },
1.92 guenther 733: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
734: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
735: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
736: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
737: [SYS_accept] = { Pfd, Pptr, Pptr },
738: [SYS_getpeername] = { Pfd, Pptr, Pptr },
739: [SYS_getsockname] = { Pfd, Pptr, Pptr },
740: [SYS_access] = { Ppath, Accessmodename },
741: [SYS_chflags] = { Ppath, Chflagsname },
742: [SYS_fchflags] = { Pfd, Chflagsname },
1.152 guenther 743: [SYS_msyscall] = { Pptr, Pbigsize },
1.92 guenther 744: [SYS_stat] = { Ppath, Pptr },
745: [SYS_lstat] = { Ppath, Pptr },
746: [SYS_dup] = { Pfd },
747: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
748: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
749: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
750: [SYS_sigaction] = { Signame, Pptr, Pptr },
751: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
1.152 guenther 752: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, Poff_t, END64 },
1.92 guenther 753: [SYS_setlogin] = { Pptr },
754: [SYS_acct] = { Ppath },
755: [SYS_fstat] = { Pfd, Pptr },
756: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
757: [SYS_reboot] = { Rebootoptname },
758: [SYS_revoke] = { Ppath },
759: [SYS_symlink] = { Ppath, Ppath },
760: [SYS_readlink] = { Ppath, Pptr, Psize },
761: [SYS_execve] = { Ppath, Pptr, Pptr },
762: [SYS_umask] = { Modename },
763: [SYS_chroot] = { Ppath },
764: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
765: [SYS_statfs] = { Ppath, Pptr },
766: [SYS_fstatfs] = { Pfd, Pptr },
767: [SYS_fhstatfs] = { Pptr, Pptr },
768: [SYS_gettimeofday] = { Pptr, Pptr },
769: [SYS_settimeofday] = { Pptr, Pptr },
770: [SYS_setitimer] = { Itimername, Pptr, Pptr },
771: [SYS_getitimer] = { Itimername, Pptr },
772: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
773: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
774: [SYS_munmap] = { Pptr, Pbigsize },
775: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
776: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
777: [SYS_utimes] = { Ppath, Pptr },
778: [SYS_futimes] = { Pfd, Pptr },
1.152 guenther 779: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, Poff_t, END64 },
1.92 guenther 780: [SYS_getgroups] = { Pcount, Pptr },
781: [SYS_setgroups] = { Pcount, Pptr },
782: [SYS_setpgid] = { Ppid_t, Ppid_t },
1.130 mpi 783: [SYS_futex] = { Pptr, Futexflagname, Pcount, Pptr, Pptr },
1.92 guenther 784: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
785: [SYS_futimens] = { Pfd, Pptr },
1.152 guenther 786: [SYS_kbind] = { Pptr, Psize, Phexlonglong },
1.92 guenther 787: [SYS_clock_gettime] = { Clockname, Pptr },
788: [SYS_clock_settime] = { Clockname, Pptr },
789: [SYS_clock_getres] = { Clockname, Pptr },
790: [SYS_dup2] = { Pfd, Pfd },
791: [SYS_nanosleep] = { Pptr, Pptr },
792: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
793: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
794: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
795: [SYS_fsync] = { Pfd },
796: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 797: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 798: [SYS_connect] = { Pfd, Pptr, Pucount },
799: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
800: [SYS_getpriority] = { Prioname, Ppid_t },
801: [SYS_pipe2] = { Pptr, Flagsname },
802: [SYS_dup3] = { Pfd, Pfd, Flagsname },
803: [SYS_sigreturn] = { Pptr },
804: [SYS_bind] = { Pfd, Pptr, Pucount },
805: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
806: [SYS_listen] = { Pfd, Pdecint },
807: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
1.152 guenther 808: [SYS_pledge] = { Pptr, Pptr },
1.92 guenther 809: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
810: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
811: [SYS_sigsuspend] = { Sigset },
1.152 guenther 812: [SYS_sendsyslog] = { Pptr, Psize, Syslogflagname },
813: [SYS_unveil] = { Ppath, Pptr },
814: [SYS___realpath] = { Ppath, Pptr },
815: [SYS_recvmmsg] = { Pfd, Pptr, Pucount, Sendrecvflagsname, Pptr },
816: [SYS_sendmmsg] = { Pfd, Pptr, Pucount, Sendrecvflagsname },
1.92 guenther 817: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 818: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 819: [SYS_readv] = { Pfd, Pptr, Pcount },
820: [SYS_writev] = { Pfd, Pptr, Pcount },
1.152 guenther 821: [SYS_kill] = { Ppgid, Signame },
1.94 guenther 822: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 823: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 824: [SYS_setreuid] = { Uidname, Uidname },
825: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 826: [SYS_rename] = { Ppath, Ppath },
827: [SYS_flock] = { Pfd, Flockname },
828: [SYS_mkfifo] = { Ppath, Modename },
829: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
830: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 831: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 832: [SYS_mkdir] = { Ppath, Modename },
833: [SYS_rmdir] = { Ppath },
834: [SYS_adjtime] = { Pptr, Pptr },
1.152 guenther 835: [SYS_getlogin_r] = { Pptr, Psize },
1.154 guenther 836: [SYS_getthrname] = { Ppid_t, Pptr, Psize },
837: [SYS_setthrname] = { Ppid_t, Pptr },
1.94 guenther 838: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.152 guenther 839: [SYS_ypconnect] = { Socktypename },
1.92 guenther 840: [SYS_nfssvc] = { Phexint, Pptr },
1.151 guenther 841: [SYS_mimmutable] = { Pptr, Pbigsize },
842: [SYS_waitid] = { PASS_TWO, Idtypeandid, Pptr, Waitidoptname },
1.92 guenther 843: [SYS_getfh] = { Ppath, Pptr },
1.152 guenther 844: [SYS___tmpfd] = { Openflagsname },
1.92 guenther 845: [SYS_sysarch] = { Pdecint, Pptr },
1.152 guenther 846: [SYS_lseek] = { Pfd, Poff_t, Whencename, END64 },
847: [SYS_truncate] = { Ppath, Poff_t, END64 },
848: [SYS_ftruncate] = { Pfd, Poff_t, END64 },
1.145 guenther 849: [SYS_pread] = { Pfd, Pptr, Pbigsize, Poff_t, END64 },
850: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, Poff_t, END64 },
1.152 guenther 851: [SYS_preadv] = { Pfd, Pptr, Pcount, Poff_t, END64 },
852: [SYS_pwritev] = { Pfd, Pptr, Pcount, Poff_t, END64 },
1.94 guenther 853: [SYS_setgid] = { Gidname },
854: [SYS_setegid] = { Gidname },
855: [SYS_seteuid] = { Uidname },
1.92 guenther 856: [SYS_pathconf] = { Ppath, Pathconfname },
857: [SYS_fpathconf] = { Pfd, Pathconfname },
858: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
859: [SYS_getrlimit] = { Rlimitname, Pptr },
860: [SYS_setrlimit] = { Rlimitname, Pptr },
1.122 guenther 861: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 862: [SYS_mlock] = { Pptr, Pbigsize },
863: [SYS_munlock] = { Pptr, Pbigsize },
864: [SYS_getpgid] = { Ppid_t },
865: [SYS_utrace] = { Pptr, Pptr, Psize },
866: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
867: [SYS_msgget] = { Pkey_t, Msgflgname },
868: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
869: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
870: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
871: [SYS_shmdt] = { Pptr },
872: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
873: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 874: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 875: [SYS_getsid] = { Ppid_t },
876: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
877: [SYS_pipe] = { Pptr },
878: [SYS_fhopen] = { Pptr, Openflagsname },
1.158 ! visa 879: [SYS_kqueue1] = { Flagsname },
1.92 guenther 880: [SYS_mlockall] = { Mlockallname },
881: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 882: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 883: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 884: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 885: [SYS_closefrom] = { Pfd },
886: [SYS_sigaltstack] = { Pptr, Pptr },
887: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
888: [SYS_semop] = { Psemid, Pptr, Psize },
889: [SYS_fhstat] = { Pptr, Pptr },
890: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
891: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
892: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
893: [SYS___thrwakeup] = { Pptr, Pcount },
894: [SYS___threxit] = { Pptr },
895: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
896: [SYS___getcwd] = { Pptr, Psize },
897: [SYS_adjfreq] = { Pptr, Pptr },
898: [SYS_setrtable] = { Pdecint },
899: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
900: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 901: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 902: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
903: [SYS_mkdirat] = { Atfd, Ppath, Modename },
904: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
905: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
906: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
907: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
908: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 909: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 910: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
911: [SYS___set_tcb] = { Pptr },
912: };
913:
1.51 otto 914:
1.12 espie 915: static void
1.93 jsg 916: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 917: {
1.92 guenther 918: register_t *ap;
1.155 deraadt 919: int narg, code;
1.92 guenther 920: char sep;
921:
1.93 jsg 922: if (ktr->ktr_argsize > ktrlen)
923: errx(1, "syscall argument length %d > ktr header length %zu",
924: ktr->ktr_argsize, ktrlen);
925:
1.52 otto 926: narg = ktr->ktr_argsize / sizeof(register_t);
927: sep = '\0';
1.1 deraadt 928:
1.155 deraadt 929: if (ktr->ktr_code & KTRC_CODE_SYSCALL)
930: (void)printf("(via syscall) ");
931: code = ktr->ktr_code & KTRC_CODE_MASK;
932: if (code >= SYS_MAXSYSCALL || code < 0)
933: (void)printf("[%d]", code);
1.1 deraadt 934: else
1.155 deraadt 935: (void)printf("%s", syscallnames[code]);
1.1 deraadt 936: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 937: (void)putchar('(');
1.52 otto 938:
1.155 deraadt 939: if (code == SYS_sysctl && fancy) {
1.62 otto 940: const char *s;
1.94 guenther 941: int n, i, *top;
1.52 otto 942:
943: n = ap[1];
944: if (n > CTL_MAXNAME)
945: n = CTL_MAXNAME;
1.93 jsg 946: if (n < 0)
947: errx(1, "invalid sysctl length %d", n);
1.94 guenther 948: if (n > 0) {
949: top = (int *)(ap + 6);
950: printf("%d", top[0]);
951: for (i = 1; i < n; i++)
952: printf(".%d", top[i]);
953: if ((s = kresolvsysctl(0, top)) != NULL) {
954: printf("<%s", s);
955: for (i = 1; i < n; i++) {
956: if ((s = kresolvsysctl(i, top)) != NULL)
957: printf(".%s", s);
958: else
959: printf(".%d", top[i]);
960: }
961: putchar('>');
962: }
1.1 deraadt 963: }
1.52 otto 964:
965: sep = ',';
966: ap += 2;
967: narg -= 2;
1.155 deraadt 968: } else if (code < nitems(scargs)) {
969: const formatter *fmts = scargs[code];
1.92 guenther 970: int fmt;
1.145 guenther 971: int arg = 0;
1.52 otto 972:
1.145 guenther 973: while (arg < narg && (fmt = *fmts) != 0) {
974: if (PAD64 && fmt == PASS_LONGLONG && (arg & 1))
975: goto skip;
1.92 guenther 976: if (sep)
977: putchar(sep);
978: sep = ',';
979: if (!fancy && !FMT_IS_NONFANCY(fmt))
980: fmt = Pnonfancy;
981: if (fmt > 0)
982: formatters[fmt]((int)*ap);
983: else if (long_formatters[-fmt](*ap))
984: sep = '\0';
985: fmts++;
1.145 guenther 986: skip:
1.92 guenther 987: ap++;
1.145 guenther 988: arg++;
1.92 guenther 989: }
1.145 guenther 990: narg -= arg;
1.52 otto 991: }
992:
1.93 jsg 993: while (narg > 0) {
1.52 otto 994: if (sep)
995: putchar(sep);
996: if (decimal)
997: (void)printf("%ld", (long)*ap);
998: else
999: (void)printf("%#lx", (long)*ap);
1000: sep = ',';
1001: ap++;
1002: narg--;
1.1 deraadt 1003: }
1.27 mickey 1004: (void)printf(")\n");
1.62 otto 1005: }
1006:
1007: static struct ctlname topname[] = CTL_NAMES;
1008: static struct ctlname kernname[] = CTL_KERN_NAMES;
1009: static struct ctlname vmname[] = CTL_VM_NAMES;
1010: static struct ctlname fsname[] = CTL_FS_NAMES;
1011: static struct ctlname netname[] = CTL_NET_NAMES;
1012: static struct ctlname hwname[] = CTL_HW_NAMES;
1013: static struct ctlname debugname[CTL_DEBUG_MAXID];
1014: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
1015: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
1016: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 1017: static struct ctlname kernprocname[] = {
1.64 guenther 1018: { NULL },
1019: { "all" },
1020: { "pid" },
1021: { "pgrp" },
1022: { "session" },
1023: { "tty" },
1024: { "uid" },
1025: { "ruid" },
1.77 guenther 1026: { "kthread" },
1.64 guenther 1027: };
1.62 otto 1028: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
1029: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
1030: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
1031: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
1032: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
1033: #ifdef CTL_MACHDEP_NAMES
1034: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
1035: #endif
1036: static struct ctlname ddbname[] = CTL_DDB_NAMES;
1037:
1038: #ifndef nitems
1039: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
1040: #endif
1041:
1042: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
1043:
1044: static const char *
1.94 guenther 1045: kresolvsysctl(int depth, const int *top)
1.62 otto 1046: {
1047: struct ctlname *names;
1048: size_t limit;
1.94 guenther 1049: int idx = top[depth];
1.62 otto 1050:
1051: names = NULL;
1052:
1053: switch (depth) {
1054: case 0:
1055: SETNAME(topname);
1056: break;
1057: case 1:
1058: switch (top[0]) {
1059: case CTL_KERN:
1060: SETNAME(kernname);
1061: break;
1062: case CTL_VM:
1063: SETNAME(vmname);
1064: break;
1065: case CTL_FS:
1066: SETNAME(fsname);
1067: break;
1068: case CTL_NET:
1069: SETNAME(netname);
1070: break;
1071: case CTL_DEBUG:
1072: SETNAME(debugname);
1073: break;
1074: case CTL_HW:
1075: SETNAME(hwname);
1076: break;
1077: #ifdef CTL_MACHDEP_NAMES
1078: case CTL_MACHDEP:
1079: SETNAME(machdepname);
1080: break;
1081: #endif
1082: case CTL_DDB:
1083: SETNAME(ddbname);
1084: break;
1085: }
1086: break;
1087: case 2:
1088: switch (top[0]) {
1089: case CTL_KERN:
1090: switch (top[1]) {
1091: case KERN_MALLOCSTATS:
1092: SETNAME(kernmallocname);
1093: break;
1094: case KERN_FORKSTAT:
1095: SETNAME(forkstatname);
1096: break;
1097: case KERN_NCHSTATS:
1098: SETNAME(nchstatsname);
1099: break;
1100: case KERN_TTY:
1101: SETNAME(ttysname);
1102: break;
1103: case KERN_SEMINFO:
1104: SETNAME(semname);
1105: break;
1106: case KERN_SHMINFO:
1107: SETNAME(shmname);
1108: break;
1109: case KERN_WATCHDOG:
1110: SETNAME(watchdogname);
1111: break;
1.64 guenther 1112: case KERN_PROC:
1113: idx++; /* zero is valid at this level */
1114: SETNAME(kernprocname);
1115: break;
1.62 otto 1116: case KERN_TIMECOUNTER:
1117: SETNAME(tcname);
1118: break;
1119: }
1120: }
1121: break;
1122: }
1123: if (names != NULL && idx > 0 && idx < limit)
1124: return (names[idx].ctl_name);
1125: return (NULL);
1.1 deraadt 1126: }
1127:
1.12 espie 1128: static void
1.103 guenther 1129: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1130: {
1.103 guenther 1131: register_t ret = 0;
1132: long long retll;
1.12 espie 1133: int error = ktr->ktr_error;
1134: int code = ktr->ktr_code;
1.1 deraadt 1135:
1.103 guenther 1136: if (ktrlen < sizeof(*ktr))
1137: errx(1, "sysret length %zu < ktr header length %zu",
1138: ktrlen, sizeof(*ktr));
1139: ktrlen -= sizeof(*ktr);
1140: if (error == 0) {
1141: if (ktrlen == sizeof(ret)) {
1142: memcpy(&ret, ktr+1, sizeof(ret));
1143: retll = ret;
1144: } else if (ktrlen == sizeof(retll))
1145: memcpy(&retll, ktr+1, sizeof(retll));
1146: else
1147: errx(1, "sysret bogus length %zu", ktrlen);
1148: }
1149:
1.122 guenther 1150: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1151: (void)printf("[%d] ", code);
1.122 guenther 1152: else
1153: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1154:
1.127 guenther 1155: doerr:
1.1 deraadt 1156: if (error == 0) {
1157: if (fancy) {
1.122 guenther 1158: switch (code) {
1.103 guenther 1159: case SYS_lseek:
1160: (void)printf("%lld", retll);
1161: if (retll < 0 || retll > 9)
1162: (void)printf("/%#llx", retll);
1163: break;
1.64 guenther 1164: case SYS_sigprocmask:
1.73 guenther 1165: case SYS_sigpending:
1.64 guenther 1166: sigset(ret);
1167: break;
1168: case SYS___thrsigdivert:
1169: signame(ret);
1.94 guenther 1170: break;
1171: case SYS_getuid:
1172: case SYS_geteuid:
1173: uidname(ret);
1174: break;
1175: case SYS_getgid:
1176: case SYS_getegid:
1177: gidname(ret);
1.64 guenther 1178: break;
1.127 guenther 1179: /* syscalls that return errno values */
1180: case SYS_getlogin_r:
1181: case SYS___thrsleep:
1.154 guenther 1182: case SYS_getthrname:
1183: case SYS_setthrname:
1.127 guenther 1184: if ((error = ret) != 0)
1185: goto doerr;
1186: /* FALLTHROUGH */
1.64 guenther 1187: default:
1188: (void)printf("%ld", (long)ret);
1189: if (ret < 0 || ret > 9)
1190: (void)printf("/%#lx", (long)ret);
1191: }
1.1 deraadt 1192: } else {
1193: if (decimal)
1.103 guenther 1194: (void)printf("%lld", retll);
1.1 deraadt 1195: else
1.103 guenther 1196: (void)printf("%#llx", retll);
1.1 deraadt 1197: }
1198: } else if (error == ERESTART)
1199: (void)printf("RESTART");
1200: else if (error == EJUSTRETURN)
1201: (void)printf("JUSTRETURN");
1202: else {
1.127 guenther 1203: (void)printf("-1 errno %d", error);
1.1 deraadt 1204: if (fancy)
1.127 guenther 1205: (void)printf(" %s", strerror(error));
1.1 deraadt 1206: }
1207: (void)putchar('\n');
1208: }
1209:
1.12 espie 1210: static void
1.37 tedu 1211: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1212: {
1.126 guenther 1213: showbufc(basecol, (unsigned char *)cp, len, VIS_DQ | VIS_TAB | VIS_NL);
1.1 deraadt 1214: }
1215:
1.111 guenther 1216: void
1.126 guenther 1217: showbufc(int col, unsigned char *dp, size_t datalen, int flags)
1.106 guenther 1218: {
1.126 guenther 1219: int width;
1220: unsigned char visbuf[5], *cp;
1.106 guenther 1221:
1.126 guenther 1222: flags |= VIS_CSTYLE;
1.106 guenther 1223: putchar('"');
1.111 guenther 1224: col++;
1.106 guenther 1225: for (; datalen > 0; datalen--, dp++) {
1.126 guenther 1226: (void)vis(visbuf, *dp, flags, *(dp+1));
1.106 guenther 1227: cp = visbuf;
1228:
1229: /*
1230: * Keep track of printables and
1231: * space chars (like fold(1)).
1232: */
1233: if (col == 0) {
1234: (void)putchar('\t');
1235: col = 8;
1236: }
1237: switch (*cp) {
1238: case '\n':
1239: col = 0;
1240: (void)putchar('\n');
1241: continue;
1242: case '\t':
1243: width = 8 - (col&07);
1244: break;
1245: default:
1246: width = strlen(cp);
1247: }
1248: if (col + width > (screenwidth-2)) {
1249: (void)printf("\\\n\t");
1250: col = 8;
1251: }
1252: col += width;
1253: do {
1254: (void)putchar(*cp++);
1255: } while (*cp);
1256: }
1257: if (col == 0)
1258: (void)printf(" ");
1259: (void)printf("\"\n");
1260: }
1261:
1262: static void
1.81 miod 1263: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1264: {
1.157 otto 1265: size_t i, j;
1.126 guenther 1266: int col = 0, bpl;
1267: unsigned char c;
1.157 otto 1268: char visbuf[4 * KTR_USER_MAXLEN + 1];
1.1 deraadt 1269:
1.157 otto 1270: if (utracefilter != NULL) {
1271: strvisx(visbuf, dp, datalen, VIS_SAFE | VIS_OCTAL);
1272: printf("%s", visbuf);
1273: return;
1274: }
1.31 tedu 1275: if (iohex == 1) {
1276: putchar('\t');
1277: col = 8;
1278: for (i = 0; i < datalen; i++) {
1.35 tedu 1279: printf("%02x", dp[i]);
1.31 tedu 1280: col += 3;
1281: if (i < datalen - 1) {
1282: if (col + 3 > screenwidth) {
1283: printf("\n\t");
1284: col = 8;
1285: } else
1286: putchar(' ');
1287: }
1288: }
1289: putchar('\n');
1290: return;
1291: }
1292: if (iohex == 2) {
1293: bpl = (screenwidth - 13)/4;
1294: if (bpl <= 0)
1295: bpl = 1;
1296: for (i = 0; i < datalen; i += bpl) {
1.157 otto 1297: printf(" %04zx: ", i);
1.31 tedu 1298: for (j = 0; j < bpl; j++) {
1299: if (i+j >= datalen)
1300: printf(" ");
1301: else
1.35 tedu 1302: printf("%02x ", dp[i+j]);
1.31 tedu 1303: }
1304: putchar(' ');
1305: for (j = 0; j < bpl; j++) {
1306: if (i+j >= datalen)
1307: break;
1308: c = dp[i+j];
1309: if (!isprint(c))
1310: c = '.';
1311: putchar(c);
1312: }
1313: putchar('\n');
1314: }
1315: return;
1316: }
1.111 guenther 1317:
1318: (void)printf(" ");
1.126 guenther 1319: showbufc(7, dp, datalen, 0);
1.1 deraadt 1320: }
1321:
1.12 espie 1322: static void
1.81 miod 1323: ktrgenio(struct ktr_genio *ktr, size_t len)
1324: {
1325: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1326: size_t datalen;
1327:
1328: if (len < sizeof(struct ktr_genio))
1329: errx(1, "invalid ktr genio length %zu", len);
1330:
1331: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1332:
1333: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1334: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1335: if (maxdata == 0)
1336: return;
1337: if (datalen > maxdata)
1338: datalen = maxdata;
1339: if (iohex && !datalen)
1340: return;
1341: showbuf(dp, datalen);
1342: }
1343:
1.153 guenther 1344: void
1345: siginfo(const siginfo_t *si, int show_signo)
1.1 deraadt 1346: {
1.153 guenther 1347: if (show_signo) {
1348: printf("signo=");
1349: signame(si->si_signo);
1.64 guenther 1350: }
1.153 guenther 1351: if (si->si_code) {
1352: printf(" code=");
1353: if (!fancy)
1354: printf("<%d>", si->si_code);
1355: else {
1356: switch (si->si_signo) {
1.63 deraadt 1357: case SIGILL:
1.153 guenther 1358: sigill_name(si->si_code);
1.63 deraadt 1359: break;
1360: case SIGTRAP:
1.153 guenther 1361: sigtrap_name(si->si_code);
1.63 deraadt 1362: break;
1363: case SIGEMT:
1.153 guenther 1364: sigemt_name(si->si_code);
1.63 deraadt 1365: break;
1366: case SIGFPE:
1.153 guenther 1367: sigfpe_name(si->si_code);
1.63 deraadt 1368: break;
1369: case SIGBUS:
1.153 guenther 1370: sigbus_name(si->si_code);
1.63 deraadt 1371: break;
1372: case SIGSEGV:
1.153 guenther 1373: sigsegv_name(si->si_code);
1.63 deraadt 1374: break;
1375: case SIGCHLD:
1.153 guenther 1376: sigchld_name(si->si_code);
1377: break;
1378: default:
1379: printf("<%d>", si->si_code);
1.63 deraadt 1380: break;
1381: }
1382: }
1383: }
1384:
1.153 guenther 1385: switch (si->si_signo) {
1.14 deraadt 1386: case SIGSEGV:
1387: case SIGILL:
1388: case SIGBUS:
1389: case SIGFPE:
1.153 guenther 1390: printf(" addr=%p trapno=%d", si->si_addr, si->si_trapno);
1391: break;
1392: case SIGCHLD:
1393: if (si->si_code == CLD_EXITED) {
1394: printf(" status=%d", si->si_status);
1395: if (si->si_status < 0 || si->si_status > 9)
1396: (void)printf("/%#x", si->si_status);
1397: } else {
1398: printf(" status=");
1399: signame(si->si_status);
1400: }
1401: printf(" pid=%d uid=", si->si_pid);
1402: uidname(si->si_uid);
1.14 deraadt 1403: break;
1404: default:
1405: break;
1406: }
1.153 guenther 1407: }
1408:
1409: static void
1410: ktrpsig(struct ktr_psig *psig)
1411: {
1412: signame(psig->signo);
1413: printf(" ");
1414: if (psig->action == SIG_DFL)
1415: printf("SIG_DFL");
1416: else {
1417: printf("caught handler=0x%lx mask=", (u_long)psig->action);
1418: sigset(psig->mask);
1419: }
1420: siginfo(&psig->si, 0);
1421: putchar('\n');
1.1 deraadt 1422: }
1423:
1.64 guenther 1424: static void
1.81 miod 1425: ktruser(struct ktr_user *usr, size_t len)
1426: {
1.93 jsg 1427: if (len < sizeof(struct ktr_user))
1428: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1429: len -= sizeof(struct ktr_user);
1.157 otto 1430: if (utracefilter == NULL) {
1431: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1432: printf(" %zu bytes\n", len);
1433: showbuf((unsigned char *)(usr + 1), len);
1434: } else if (strncmp(usr->ktr_id, utracefilter, KTR_USER_MAXIDLEN) == 0)
1435: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1436: }
1437:
1438: static void
1439: ktrexec(const char *ptr, size_t len)
1440: {
1.111 guenther 1441: int i, col;
1.106 guenther 1442: size_t l;
1443:
1444: putchar('\n');
1445: i = 0;
1446: while (len > 0) {
1447: l = strnlen(ptr, len);
1.111 guenther 1448: col = printf("\t[%d] = ", i++);
1449: col += 7; /* tab expands from 1 to 8 columns */
1.126 guenther 1450: showbufc(col, (unsigned char *)ptr, l, VIS_DQ|VIS_TAB|VIS_NL);
1.106 guenther 1451: if (l == len) {
1452: printf("\tunterminated argument\n");
1453: break;
1454: }
1455: len -= l + 1;
1456: ptr += l + 1;
1457: }
1.117 deraadt 1458: }
1459:
1460: static void
1461: ktrpledge(struct ktr_pledge *pledge, size_t len)
1462: {
1.142 visa 1463: const char *name = "";
1.117 deraadt 1464: int i;
1465:
1466: if (len < sizeof(struct ktr_pledge))
1467: errx(1, "invalid ktr pledge length %zu", len);
1468:
1.122 guenther 1469: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1470: (void)printf("[%d]", pledge->syscall);
1471: else
1.122 guenther 1472: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1473: printf(", ");
1.118 deraadt 1474: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1475: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1476: name = pledgenames[i].name;
1.117 deraadt 1477: break;
1478: }
1479: }
1.118 deraadt 1480: printf("\"%s\"", name);
1.117 deraadt 1481: (void)printf(", errno %d", pledge->error);
1482: if (fancy)
1483: (void)printf(" %s", strerror(pledge->error));
1484: printf("\n");
1.81 miod 1485: }
1486:
1487: static void
1.17 deraadt 1488: usage(void)
1.1 deraadt 1489: {
1490:
1.19 mickey 1491: extern char *__progname;
1492: fprintf(stderr, "usage: %s "
1.157 otto 1493: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid] [-t trstr] "
1494: "[-u label]\n", __progname);
1.1 deraadt 1495: exit(1);
1496: }
1497:
1.61 matthew 1498:
1.92 guenther 1499: /*
1500: * FORMATTERS
1501: */
1502:
1503: static void
1504: ioctldecode(int cmd)
1505: {
1506: char dirbuf[4], *dir = dirbuf;
1507: const char *cp;
1508:
1509: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1510: (void)printf("%s", cp);
1511: return;
1512: }
1513:
1514: if (cmd & IOC_IN)
1515: *dir++ = 'W';
1516: if (cmd & IOC_OUT)
1517: *dir++ = 'R';
1518: *dir = '\0';
1519:
1.109 zhuk 1520: printf("_IO%s('%c',%d",
1.92 guenther 1521: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1522: if ((cmd & IOC_VOID) == 0)
1523: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1524: else
1525: printf(")");
1526: }
1527:
1528: static void
1529: ptracedecode(int request)
1530: {
1531: if (request >= 0 && request < nitems(ptrace_ops))
1532: (void)printf("%s", ptrace_ops[request]);
1533: else switch(request) {
1534: #ifdef PT_GETFPREGS
1535: case PT_GETFPREGS:
1536: (void)printf("PT_GETFPREGS");
1537: break;
1538: #endif
1539: case PT_GETREGS:
1540: (void)printf("PT_GETREGS");
1541: break;
1542: #ifdef PT_GETXMMREGS
1543: case PT_GETXMMREGS:
1544: (void)printf("PT_GETXMMREGS");
1545: break;
1546: #endif
1547: #ifdef PT_SETFPREGS
1548: case PT_SETFPREGS:
1549: (void)printf("PT_SETFPREGS");
1550: break;
1551: #endif
1552: case PT_SETREGS:
1553: (void)printf("PT_SETREGS");
1554: break;
1555: #ifdef PT_SETXMMREGS
1556: case PT_SETXMMREGS:
1557: (void)printf("PT_SETXMMREGS");
1558: break;
1559: #endif
1560: #ifdef PT_STEP
1561: case PT_STEP:
1562: (void)printf("PT_STEP");
1563: break;
1564: #endif
1565: #ifdef PT_WCOOKIE
1566: case PT_WCOOKIE:
1567: (void)printf("PT_WCOOKIE");
1568: break;
1569: #endif
1570: default:
1571: pdecint(request);
1572: }
1573: }
1574:
1575:
1.61 matthew 1576: static void
1577: atfd(int fd)
1578: {
1579: if (fd == AT_FDCWD)
1580: (void)printf("AT_FDCWD");
1581: else
1.92 guenther 1582: pdecint(fd);
1.77 guenther 1583: }
1584:
1585: static void
1586: polltimeout(int timeout)
1587: {
1588: if (timeout == INFTIM)
1589: (void)printf("INFTIM");
1590: else
1.92 guenther 1591: pdecint(timeout);
1.82 guenther 1592: }
1593:
1594: static void
1595: wait4pid(int pid)
1596: {
1597: if (pid == WAIT_ANY)
1598: (void)printf("WAIT_ANY");
1599: else if (pid == WAIT_MYPGRP)
1600: (void)printf("WAIT_MYPGRP");
1601: else
1.92 guenther 1602: pdecint(pid); /* ppgid */
1.1 deraadt 1603: }
1.83 guenther 1604:
1605: static void
1606: signame(int sig)
1607: {
1608: if (sig > 0 && sig < NSIG)
1609: (void)printf("SIG%s", sys_signame[sig]);
1610: else
1611: (void)printf("SIG %d", sig);
1612: }
1613:
1.84 guenther 1614: void
1.83 guenther 1615: sigset(int ss)
1616: {
1617: int or = 0;
1618: int cnt = 0;
1619: int i;
1620:
1621: for (i = 1; i < NSIG; i++)
1622: if (sigismember(&ss, i))
1623: cnt++;
1624: if (cnt > (NSIG-1)/2) {
1625: ss = ~ss;
1626: putchar('~');
1627: }
1628:
1629: if (ss == 0) {
1630: (void)printf("0<>");
1631: return;
1632: }
1633:
1634: printf("%#x<", ss);
1635: for (i = 1; i < NSIG; i++)
1636: if (sigismember(&ss, i)) {
1637: if (or) putchar('|'); else or=1;
1638: signame(i);
1639: }
1640: printf(">");
1641: }
1642:
1643: static void
1644: semctlname(int cmd)
1645: {
1646: switch (cmd) {
1647: case GETNCNT:
1648: (void)printf("GETNCNT");
1649: break;
1650: case GETPID:
1651: (void)printf("GETPID");
1652: break;
1653: case GETVAL:
1654: (void)printf("GETVAL");
1655: break;
1656: case GETALL:
1657: (void)printf("GETALL");
1658: break;
1659: case GETZCNT:
1660: (void)printf("GETZCNT");
1661: break;
1662: case SETVAL:
1663: (void)printf("SETVAL");
1664: break;
1665: case SETALL:
1666: (void)printf("SETALL");
1667: break;
1668: case IPC_RMID:
1669: (void)printf("IPC_RMID");
1670: break;
1671: case IPC_SET:
1672: (void)printf("IPC_SET");
1673: break;
1674: case IPC_STAT:
1675: (void)printf("IPC_STAT");
1676: break;
1677: default: /* Should not reach */
1.92 guenther 1678: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1679: }
1680: }
1681:
1682: static void
1.88 guenther 1683: shmctlname(int cmd)
1684: {
1.83 guenther 1685: switch (cmd) {
1686: case IPC_RMID:
1687: (void)printf("IPC_RMID");
1688: break;
1689: case IPC_SET:
1690: (void)printf("IPC_SET");
1691: break;
1692: case IPC_STAT:
1693: (void)printf("IPC_STAT");
1694: break;
1695: default: /* Should not reach */
1.92 guenther 1696: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1697: }
1698: }
1699:
1700:
1701: static void
1.88 guenther 1702: semgetname(int flag)
1703: {
1.83 guenther 1704: int or = 0;
1705: if_print_or(flag, IPC_CREAT, or);
1706: if_print_or(flag, IPC_EXCL, or);
1707: if_print_or(flag, SEM_R, or);
1708: if_print_or(flag, SEM_A, or);
1709: if_print_or(flag, (SEM_R>>3), or);
1710: if_print_or(flag, (SEM_A>>3), or);
1711: if_print_or(flag, (SEM_R>>6), or);
1712: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1713:
1714: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1715: ((SEM_R|SEM_A)>>6)))
1716: printf("<invalid=%#x>", flag);
1.83 guenther 1717: }
1718:
1719:
1720: /*
1.92 guenther 1721: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1722: * mode argument is unused (and often bogus and misleading).
1723: */
1724: static void
1.92 guenther 1725: flagsandmodename(int mode)
1.88 guenther 1726: {
1.92 guenther 1727: openflagsname(arg1);
1728: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1729: (void)putchar(',');
1.92 guenther 1730: modename(mode);
1731: } else if (!fancy)
1732: (void)printf(",<unused>%#o", mode);
1.83 guenther 1733: }
1734:
1735: static void
1736: clockname(int clockid)
1737: {
1738: clocktypename(__CLOCK_TYPE(clockid));
1739: if (__CLOCK_PTID(clockid) != 0)
1740: printf("(%d)", __CLOCK_PTID(clockid));
1741: }
1742:
1743: /*
1744: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1745: * referring to a line in /etc/protocols.
1.83 guenther 1746: */
1747: static void
1.100 guenther 1748: sockoptlevelname(int optname)
1.83 guenther 1749: {
1.100 guenther 1750: struct protoent *pe;
1751:
1752: if (arg1 == SOL_SOCKET) {
1753: (void)printf("SOL_SOCKET,");
1754: sockoptname(optname);
1755: } else {
1756: pe = getprotobynumber(arg1);
1757: (void)printf("%u<%s>,%d", arg1,
1758: pe != NULL ? pe->p_name : "unknown", optname);
1759: }
1.83 guenther 1760: }
1761:
1.88 guenther 1762: static void
1763: ktraceopname(int ops)
1764: {
1765: int invalid = 0;
1766:
1767: printf("%#x<", ops);
1768: switch (KTROP(ops)) {
1769: case KTROP_SET:
1770: printf("KTROP_SET");
1771: break;
1772: case KTROP_CLEAR:
1773: printf("KTROP_CLEAR");
1774: break;
1775: case KTROP_CLEARFILE:
1776: printf("KTROP_CLEARFILE");
1777: break;
1778: default:
1779: printf("KTROP(%d)", KTROP(ops));
1780: invalid = 1;
1781: break;
1782: }
1.92 guenther 1783: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1784: printf(">");
1785: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1786: (void)printf("<invalid>%d", ops);
1.151 guenther 1787: }
1788:
1789: static void
1790: idtypeandid(int id)
1791: {
1792: switch (arg1) {
1793: case P_PID:
1794: printf("P_PID,%d", id);
1795: break;
1796: case P_PGID:
1797: printf("P_PGID,%d", id);
1798: break;
1799: case P_ALL:
1800: printf("P_ALL,<unused>%d", id);
1801: break;
1802: default: /* Should not reach */
1803: printf("<invalid=%d>, <unused>%d", arg1, id);
1804: }
1.88 guenther 1805: }