Annotation of src/usr.bin/kdump/kdump.c, Revision 1.131
1.131 ! guenther 1: /* $OpenBSD: kdump.c,v 1.130 2017/04/28 13:53:05 mpi 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:
1.97 deraadt 32: #include <sys/param.h> /* MAXCOMLEN nitems */
1.1 deraadt 33: #include <sys/time.h>
1.97 deraadt 34: #include <sys/signal.h>
1.1 deraadt 35: #include <sys/uio.h>
36: #include <sys/ktrace.h>
37: #include <sys/ioctl.h>
1.62 otto 38: #include <sys/malloc.h>
39: #include <sys/namei.h>
1.1 deraadt 40: #include <sys/ptrace.h>
1.62 otto 41: #include <sys/sem.h>
42: #include <sys/shm.h>
1.51 otto 43: #include <sys/socket.h>
1.28 deraadt 44: #include <sys/sysctl.h>
1.63 deraadt 45: #include <sys/siginfo.h>
1.62 otto 46: #include <sys/vmmeter.h>
47: #include <sys/tty.h>
1.82 guenther 48: #include <sys/wait.h>
1.117 deraadt 49: #define PLEDGENAMES
50: #include <sys/pledge.h>
51: #undef PLEDGENAMES
1.1 deraadt 52: #define _KERNEL
1.84 guenther 53: #include <errno.h>
1.1 deraadt 54: #undef _KERNEL
1.62 otto 55: #include <ddb/db_var.h>
56: #include <machine/cpu.h>
1.1 deraadt 57:
1.33 tedu 58: #include <ctype.h>
1.1 deraadt 59: #include <err.h>
1.61 matthew 60: #include <fcntl.h>
1.64 guenther 61: #include <limits.h>
1.100 guenther 62: #include <netdb.h>
1.77 guenther 63: #include <poll.h>
1.1 deraadt 64: #include <signal.h>
65: #include <stdio.h>
66: #include <stdlib.h>
1.55 otto 67: #include <stdint.h>
1.1 deraadt 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"
1.1 deraadt 76:
1.67 mikeb 77: int timestamp, decimal, iohex, fancy = 1, maxdata = INT_MAX;
1.111 guenther 78: int needtid, tail, basecol;
1.1 deraadt 79: char *tracefile = DEF_TRACEFILE;
80: struct ktr_header ktr_header;
1.85 guenther 81: pid_t pid_opt = -1;
1.1 deraadt 82:
83: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
84:
85: #include <sys/syscall.h>
86:
87: #define KTRACE
1.19 mickey 88: #define PTRACE
1.7 deraadt 89: #define NFSCLIENT
90: #define NFSSERVER
91: #define SYSVSEM
92: #define SYSVMSG
93: #define SYSVSHM
1.110 guenther 94: #define ACCOUNTING
1.25 mickey 95: #include <kern/syscalls.c>
1.1 deraadt 96: #undef KTRACE
1.19 mickey 97: #undef PTRACE
1.7 deraadt 98: #undef NFSCLIENT
99: #undef NFSSERVER
100: #undef SYSVSEM
101: #undef SYSVMSG
102: #undef SYSVSHM
1.110 guenther 103: #undef ACCOUNTING
1.1 deraadt 104:
105:
106: static char *ptrace_ops[] = {
107: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
108: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 109: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 110: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 111: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 112: };
113:
1.37 tedu 114: static int fread_tail(void *, size_t, size_t);
1.13 millert 115: static void dumpheader(struct ktr_header *);
1.37 tedu 116: static void ktrgenio(struct ktr_genio *, size_t);
117: static void ktrnamei(const char *, size_t);
1.13 millert 118: static void ktrpsig(struct ktr_psig *);
1.93 jsg 119: static void ktrsyscall(struct ktr_syscall *, size_t);
1.94 guenther 120: static const char *kresolvsysctl(int, const int *);
1.103 guenther 121: static void ktrsysret(struct ktr_sysret *, size_t);
1.81 miod 122: static void ktruser(struct ktr_user *, size_t);
1.106 guenther 123: static void ktrexec(const char*, size_t);
1.117 deraadt 124: static void ktrpledge(struct ktr_pledge *, size_t);
1.13 millert 125: static void usage(void);
1.92 guenther 126: static void ioctldecode(int);
127: static void ptracedecode(int);
1.61 matthew 128: static void atfd(int);
1.77 guenther 129: static void polltimeout(int);
1.82 guenther 130: static void wait4pid(int);
1.83 guenther 131: static void signame(int);
132: static void semctlname(int);
133: static void shmctlname(int);
134: static void semgetname(int);
1.92 guenther 135: static void flagsandmodename(int);
1.83 guenther 136: static void clockname(int);
137: static void sockoptlevelname(int);
1.88 guenther 138: static void ktraceopname(int);
1.12 espie 139:
1.102 deraadt 140: static int screenwidth;
141:
1.1 deraadt 142: int
1.17 deraadt 143: main(int argc, char *argv[])
1.1 deraadt 144: {
1.37 tedu 145: int ch, silent;
146: size_t ktrlen, size;
1.17 deraadt 147: int trpoints = ALL_POINTS;
1.101 deraadt 148: const char *errstr;
1.12 espie 149: void *m;
1.1 deraadt 150:
1.102 deraadt 151: if (screenwidth == 0) {
152: struct winsize ws;
153:
154: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
155: ws.ws_col > 8)
156: screenwidth = ws.ws_col;
157: else
158: screenwidth = 80;
159: }
160:
1.122 guenther 161: while ((ch = getopt(argc, argv, "f:dHlm:np:RTt:xX")) != -1)
1.1 deraadt 162: switch (ch) {
163: case 'f':
164: tracefile = optarg;
165: break;
166: case 'd':
167: decimal = 1;
168: break;
1.67 mikeb 169: case 'H':
170: needtid = 1;
171: break;
1.1 deraadt 172: case 'l':
173: tail = 1;
174: break;
175: case 'm':
1.101 deraadt 176: maxdata = strtonum(optarg, 0, INT_MAX, &errstr);
177: if (errstr)
178: errx(1, "-m %s: %s", optarg, errstr);
1.1 deraadt 179: break;
180: case 'n':
181: fancy = 0;
182: break;
1.17 deraadt 183: case 'p':
1.101 deraadt 184: pid_opt = strtonum(optarg, 1, INT_MAX, &errstr);
185: if (errstr)
186: errx(1, "-p %s: %s", optarg, errstr);
1.17 deraadt 187: break;
1.128 tedu 188: case 'R': /* relative timestamp */
189: timestamp = timestamp == 1 ? 3 : 2;
1.1 deraadt 190: break;
191: case 'T':
1.128 tedu 192: timestamp = timestamp == 2 ? 3 : 1;
1.1 deraadt 193: break;
194: case 't':
1.129 guenther 195: trpoints = getpoints(optarg, DEF_POINTS);
1.1 deraadt 196: if (trpoints < 0)
197: errx(1, "unknown trace point in %s", optarg);
198: break;
1.31 tedu 199: case 'x':
200: iohex = 1;
201: break;
202: case 'X':
203: iohex = 2;
204: break;
1.1 deraadt 205: default:
206: usage();
207: }
1.5 deraadt 208: if (argc > optind)
1.1 deraadt 209: usage();
1.108 deraadt 210:
1.115 deraadt 211: if (pledge("stdio rpath getpw", NULL) == -1)
1.113 deraadt 212: err(1, "pledge");
1.1 deraadt 213:
1.37 tedu 214: m = malloc(size = 1025);
1.1 deraadt 215: if (m == NULL)
1.37 tedu 216: err(1, NULL);
1.1 deraadt 217: if (!freopen(tracefile, "r", stdin))
218: err(1, "%s", tracefile);
1.112 deraadt 219:
1.67 mikeb 220: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
221: ktr_header.ktr_type != htobe32(KTR_START))
222: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 223: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 224: silent = 0;
1.85 guenther 225: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 226: silent = 1;
227: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 228: dumpheader(&ktr_header);
1.37 tedu 229: ktrlen = ktr_header.ktr_len;
1.1 deraadt 230: if (ktrlen > size) {
1.23 tedu 231: void *newm;
232:
1.64 guenther 233: if (ktrlen == SIZE_MAX)
234: errx(1, "data too long");
1.23 tedu 235: newm = realloc(m, ktrlen+1);
236: if (newm == NULL)
1.66 deraadt 237: err(1, "realloc");
1.23 tedu 238: m = newm;
1.1 deraadt 239: size = ktrlen;
240: }
241: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
242: errx(1, "data too short");
1.17 deraadt 243: if (silent)
244: continue;
1.1 deraadt 245: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
246: continue;
247: switch (ktr_header.ktr_type) {
248: case KTR_SYSCALL:
1.131 ! guenther 249: ktrsyscall(m, ktrlen);
1.1 deraadt 250: break;
251: case KTR_SYSRET:
1.131 ! guenther 252: ktrsysret(m, ktrlen);
1.1 deraadt 253: break;
254: case KTR_NAMEI:
255: ktrnamei(m, ktrlen);
256: break;
257: case KTR_GENIO:
1.131 ! guenther 258: ktrgenio(m, ktrlen);
1.1 deraadt 259: break;
260: case KTR_PSIG:
1.131 ! guenther 261: ktrpsig(m);
1.1 deraadt 262: break;
1.55 otto 263: case KTR_STRUCT:
264: ktrstruct(m, ktrlen);
265: break;
1.81 miod 266: case KTR_USER:
267: ktruser(m, ktrlen);
268: break;
1.106 guenther 269: case KTR_EXECARGS:
270: case KTR_EXECENV:
271: ktrexec(m, ktrlen);
272: break;
1.117 deraadt 273: case KTR_PLEDGE:
1.131 ! guenther 274: ktrpledge(m, ktrlen);
1.117 deraadt 275: break;
1.123 guenther 276: default:
277: printf("\n");
278: break;
1.1 deraadt 279: }
280: if (tail)
281: (void)fflush(stdout);
282: }
1.12 espie 283: exit(0);
1.1 deraadt 284: }
285:
1.12 espie 286: static int
1.37 tedu 287: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 288: {
289: int i;
290:
291: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
292: (void)sleep(1);
293: clearerr(stdin);
294: }
295: return (i);
296: }
297:
1.12 espie 298: static void
1.17 deraadt 299: dumpheader(struct ktr_header *kth)
1.1 deraadt 300: {
1.67 mikeb 301: static struct timespec prevtime;
1.1 deraadt 302: char unknown[64], *type;
1.67 mikeb 303: struct timespec temp;
1.1 deraadt 304:
305: switch (kth->ktr_type) {
306: case KTR_SYSCALL:
307: type = "CALL";
308: break;
309: case KTR_SYSRET:
310: type = "RET ";
311: break;
312: case KTR_NAMEI:
313: type = "NAMI";
314: break;
315: case KTR_GENIO:
316: type = "GIO ";
317: break;
318: case KTR_PSIG:
319: type = "PSIG";
320: break;
1.55 otto 321: case KTR_STRUCT:
322: type = "STRU";
323: break;
1.81 miod 324: case KTR_USER:
325: type = "USER";
326: break;
1.106 guenther 327: case KTR_EXECARGS:
328: type = "ARGS";
329: break;
330: case KTR_EXECENV:
331: type = "ENV ";
332: break;
1.117 deraadt 333: case KTR_PLEDGE:
334: type = "PLDG";
335: break;
1.1 deraadt 336: default:
1.123 guenther 337: /* htobe32() not guaranteed to work as case label */
338: if (kth->ktr_type == htobe32(KTR_START)) {
339: type = "STRT";
340: break;
341: }
1.122 guenther 342: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%u)",
1.17 deraadt 343: kth->ktr_type);
1.1 deraadt 344: type = unknown;
345: }
346:
1.111 guenther 347: basecol = printf("%6ld", (long)kth->ktr_pid);
1.67 mikeb 348: if (needtid)
1.111 guenther 349: basecol += printf("/%-7ld", (long)kth->ktr_tid);
350: basecol += printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 351: if (timestamp) {
1.128 tedu 352: if (timestamp == 3) {
353: if (prevtime.tv_sec == 0)
354: prevtime = kth->ktr_time;
355: timespecsub(&kth->ktr_time, &prevtime, &temp);
356: } else if (timestamp == 2) {
1.67 mikeb 357: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 358: prevtime = kth->ktr_time;
359: } else
360: temp = kth->ktr_time;
1.111 guenther 361: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 362: temp.tv_nsec / 1000);
1.1 deraadt 363: }
1.111 guenther 364: basecol += printf("%s ", type);
1.1 deraadt 365: }
366:
1.92 guenther 367: /*
368: * Base Formatters
369: */
370:
371: /* some syscalls have padding that shouldn't be shown */
372: static int
373: pad(long arg)
374: {
375: /* nothing printed */
376: return (1);
377: }
378:
379: /* a formatter that just saves the argument for the next formatter */
380: int arg1;
381: static int
382: pass_two(long arg)
383: {
384: arg1 = (int)arg;
385:
386: /* nothing printed */
387: return (1);
388: }
389:
390: static int
391: pdeclong(long arg)
392: {
393: (void)printf("%ld", arg);
394: return (0);
395: }
396:
397: static int
398: pdeculong(long arg)
1.2 deraadt 399: {
1.92 guenther 400: (void)printf("%lu", arg);
401: return (0);
402: }
1.2 deraadt 403:
1.92 guenther 404: static int
405: phexlong(long arg)
406: {
407: (void)printf("%#lx", arg);
408: return (0);
409: }
1.2 deraadt 410:
1.92 guenther 411: static int
412: pnonfancy(long arg)
413: {
414: if (decimal)
415: (void)printf("%ld", arg);
1.2 deraadt 416: else
1.92 guenther 417: (void)printf("%#lx", arg);
418: return (0);
1.2 deraadt 419: }
1.1 deraadt 420:
1.52 otto 421: static void
1.92 guenther 422: pdecint(int arg)
1.52 otto 423: {
1.92 guenther 424: (void)printf("%d", arg);
1.52 otto 425: }
426:
427: static void
1.92 guenther 428: pdecuint(int arg)
1.52 otto 429: {
1.92 guenther 430: (void)printf("%u", arg);
1.52 otto 431: }
432:
433: static void
1.92 guenther 434: phexint(int arg)
1.52 otto 435: {
1.92 guenther 436: (void)printf("%#x", arg);
1.52 otto 437: }
1.92 guenther 438:
1.52 otto 439: static void
1.92 guenther 440: poctint(int arg)
441: {
442: (void)printf("%#o", arg);
443: }
444:
445:
446: #ifdef __LP64__
447:
448: /* on LP64, long long arguments are the same as long arguments */
449: #define Phexlonglong Phexlong
450: #define phexll NULL /* not actually used on LP64 */
451:
452: #else /* __LP64__ */
453:
454: /* on ILP32, long long arguments are passed as two 32bit args */
455: #define Phexlonglong PASS_LONGLONG, Phexll
456:
457: static int
458: phexll(long arg2)
1.52 otto 459: {
1.92 guenther 460: long long val;
461:
462: #if _BYTE_ORDER == _LITTLE_ENDIAN
463: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
464: #else
465: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
466: #endif
467:
468: if (fancy || !decimal)
469: (void)printf("%#llx", val);
470: else
1.52 otto 471: (void)printf("%lld", val);
1.92 guenther 472: return (0);
1.52 otto 473: }
1.92 guenther 474:
475: #endif /* __LP64__ */
476:
477: static int (*long_formatters[])(long) = {
478: NULL,
479: pdeclong,
480: pdeculong,
481: phexlong,
482: pass_two,
483: pass_two,
484: phexll,
485: pad,
486: pnonfancy,
487: };
488:
489: static void (*formatters[])(int) = {
490: NULL,
491: pdecint,
492: phexint,
493: poctint,
494: pdecuint,
495: ioctldecode,
496: ptracedecode,
497: atfd,
498: polltimeout,
499: wait4pid,
500: signame,
501: semctlname,
502: shmctlname,
503: semgetname,
504: flagsandmodename,
505: clockname,
506: sockoptlevelname,
507: ktraceopname,
508: fcntlcmdname,
509: modename,
510: flagsname,
511: openflagsname,
512: atflagsname,
513: accessmodename,
514: mmapprotname,
515: mmapflagsname,
516: wait4optname,
517: sendrecvflagsname,
518: mountflagsname,
519: rebootoptname,
520: flockname,
521: sockoptname,
522: sockipprotoname,
523: socktypename,
524: sockflagsname,
525: sockfamilyname,
526: mlockallname,
527: shmatname,
528: whencename,
529: pathconfname,
530: rlimitname,
531: shutdownhowname,
532: prioname,
533: madvisebehavname,
534: msyncflagsname,
535: clocktypename,
536: rusagewho,
537: sigactionflagname,
538: sigprocmaskhowname,
539: minheritname,
540: quotactlname,
541: sigill_name,
542: sigtrap_name,
543: sigemt_name,
544: sigfpe_name,
545: sigbus_name,
546: sigsegv_name,
547: sigchld_name,
548: ktracefacname,
549: itimername,
550: sigset,
1.94 guenther 551: uidname,
552: gidname,
1.125 guenther 553: syslogflagname,
1.130 mpi 554: futexflagname,
1.92 guenther 555: };
556:
557: enum {
558: /* the end of the (known) arguments is recognized by the zero fill */
559: end_of_args = 0,
560:
561: /* negative are the negative of the index into long_formatters[] */
562: Pdeclong = -1,
563: Pdeculong = -2,
564: Phexlong = -3,
565: PASS_TWO = -4,
566:
567: /* the remaining long formatters still get called when non-fancy (-n option) */
568: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
569: PASS_LONGLONG = -5,
570: Phexll = -6,
571: PAD = -7,
572: Pnonfancy = -8,
573:
574: /* positive values are the index into formatters[] */
575: Pdecint = 1,
576: Phexint,
577: Poctint,
578: Pdecuint,
579: Ioctldecode,
580: Ptracedecode,
581: Atfd,
582: Polltimeout,
583: Wait4pid,
584: Signame,
585: Semctlname,
586: Shmctlname,
587: Semgetname,
588: Flagsandmodename,
589: Clockname,
590: Sockoptlevelname,
591: Ktraceopname,
592: Fcntlcmdname,
593: Modename,
594: Flagsname,
595: Openflagsname,
596: Atflagsname,
597: Accessmodename,
598: Mmapprotname,
599: Mmapflagsname,
600: Wait4optname,
601: Sendrecvflagsname,
602: Mountflagsname,
603: Rebootoptname,
604: Flockname,
605: Sockoptname,
606: Sockipprotoname,
607: Socktypename,
608: Sockflagsname,
609: Sockfamilyname,
610: Mlockallname,
611: Shmatname,
612: Whencename,
613: Pathconfname,
614: Rlimitname,
615: Shutdownhowname,
616: Prioname,
617: Madvisebehavname,
618: Msyncflagsname,
619: Clocktypename,
620: Rusagewho,
621: Sigactionflagname,
622: Sigprocmaskhowname,
623: Minheritname,
624: Quotactlname,
625: Sigill_name,
626: Sigtrap_name,
627: Sigemt_name,
628: Sigfpe_name,
629: Sigbus_name,
630: Sigsegv_name,
631: Sigchld_name,
632: Ktracefacname,
633: Itimername,
634: Sigset,
1.94 guenther 635: Uidname,
636: Gidname,
1.125 guenther 637: Syslogflagname,
1.130 mpi 638: Futexflagname,
1.92 guenther 639: };
640:
641: #define Pptr Phexlong
642: #define Psize Pdeculong /* size_t for small buffers */
643: #define Pbigsize Phexlong /* size_t for I/O buffers */
644: #define Pcount Pdecint /* int for a count of something */
645: #define Pfd Pdecint
646: #define Ppath Phexlong
647: #define Pdev_t Pdecint
648: #define Ppid_t Pdecint
649: #define Ppgid Pdecint /* pid or negative pgid */
650: #define Poff_t Phexlonglong
651: #define Pmsqid Pdecint
652: #define Pshmid Pdecint
653: #define Psemid Pdecint
654: #define Pkey_t Pdecint
655: #define Pucount Pdecuint
656: #define Chflagsname Phexlong /* to be added */
657: #define Sockprotoname Phexlong /* to be added */
658: #define Swapctlname Phexlong /* to be added */
659: #define Msgflgname Phexlong /* to be added */
660:
661:
662: typedef signed char formatter;
663: static const formatter scargs[][8] = {
664: [SYS_exit] = { Pdecint },
665: [SYS_read] = { Pfd, Pptr, Pbigsize },
666: [SYS_write] = { Pfd, Pptr, Pbigsize },
667: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
668: [SYS_close] = { Pfd },
669: [SYS_getentropy] = { Pptr, Psize },
670: [SYS___tfork] = { Pptr, Psize },
671: [SYS_link] = { Ppath, Ppath },
672: [SYS_unlink] = { Ppath },
673: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
674: [SYS_chdir] = { Ppath },
675: [SYS_fchdir] = { Pfd },
676: [SYS_mknod] = { Ppath, Modename, Pdev_t },
677: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 678: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 679: [SYS_break] = { Pptr },
680: [SYS_getrusage] = { Rusagewho, Pptr },
681: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
682: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 683: [SYS_setuid] = { Uidname },
1.92 guenther 684: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
685: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
686: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
687: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
688: [SYS_accept] = { Pfd, Pptr, Pptr },
689: [SYS_getpeername] = { Pfd, Pptr, Pptr },
690: [SYS_getsockname] = { Pfd, Pptr, Pptr },
691: [SYS_access] = { Ppath, Accessmodename },
692: [SYS_chflags] = { Ppath, Chflagsname },
693: [SYS_fchflags] = { Pfd, Chflagsname },
694: [SYS_kill] = { Ppgid, Signame },
695: [SYS_stat] = { Ppath, Pptr },
696: [SYS_lstat] = { Ppath, Pptr },
697: [SYS_dup] = { Pfd },
698: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
699: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
700: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
701: [SYS_sigaction] = { Signame, Pptr, Pptr },
702: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
1.127 guenther 703: [SYS_getlogin_r] = { Pptr, Psize },
1.92 guenther 704: [SYS_setlogin] = { Pptr },
705: [SYS_acct] = { Ppath },
706: [SYS_fstat] = { Pfd, Pptr },
707: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
708: [SYS_reboot] = { Rebootoptname },
709: [SYS_revoke] = { Ppath },
710: [SYS_symlink] = { Ppath, Ppath },
711: [SYS_readlink] = { Ppath, Pptr, Psize },
712: [SYS_execve] = { Ppath, Pptr, Pptr },
713: [SYS_umask] = { Modename },
714: [SYS_chroot] = { Ppath },
715: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
716: [SYS_statfs] = { Ppath, Pptr },
717: [SYS_fstatfs] = { Pfd, Pptr },
718: [SYS_fhstatfs] = { Pptr, Pptr },
719: [SYS_gettimeofday] = { Pptr, Pptr },
720: [SYS_settimeofday] = { Pptr, Pptr },
721: [SYS_setitimer] = { Itimername, Pptr, Pptr },
722: [SYS_getitimer] = { Itimername, Pptr },
723: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
724: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
725: [SYS_munmap] = { Pptr, Pbigsize },
726: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
727: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
728: [SYS_utimes] = { Ppath, Pptr },
729: [SYS_futimes] = { Pfd, Pptr },
1.124 guenther 730: [SYS_kbind] = { Pptr, Psize, Phexlonglong },
1.92 guenther 731: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
732: [SYS_getgroups] = { Pcount, Pptr },
733: [SYS_setgroups] = { Pcount, Pptr },
734: [SYS_setpgid] = { Ppid_t, Ppid_t },
1.130 mpi 735: [SYS_futex] = { Pptr, Futexflagname, Pcount, Pptr, Pptr },
1.125 guenther 736: [SYS_sendsyslog] = { Pptr, Psize, Syslogflagname },
1.92 guenther 737: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
738: [SYS_futimens] = { Pfd, Pptr },
739: [SYS_clock_gettime] = { Clockname, Pptr },
740: [SYS_clock_settime] = { Clockname, Pptr },
741: [SYS_clock_getres] = { Clockname, Pptr },
742: [SYS_dup2] = { Pfd, Pfd },
743: [SYS_nanosleep] = { Pptr, Pptr },
744: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
745: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
746: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
747: [SYS_fsync] = { Pfd },
748: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 749: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 750: [SYS_connect] = { Pfd, Pptr, Pucount },
751: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
752: [SYS_getpriority] = { Prioname, Ppid_t },
753: [SYS_pipe2] = { Pptr, Flagsname },
754: [SYS_dup3] = { Pfd, Pfd, Flagsname },
755: [SYS_sigreturn] = { Pptr },
756: [SYS_bind] = { Pfd, Pptr, Pucount },
757: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
758: [SYS_listen] = { Pfd, Pdecint },
759: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
760: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
761: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
762: [SYS_sigsuspend] = { Sigset },
763: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 764: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 765: [SYS_readv] = { Pfd, Pptr, Pcount },
766: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 767: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 768: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 769: [SYS_setreuid] = { Uidname, Uidname },
770: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 771: [SYS_rename] = { Ppath, Ppath },
772: [SYS_flock] = { Pfd, Flockname },
773: [SYS_mkfifo] = { Ppath, Modename },
774: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
775: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 776: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 777: [SYS_mkdir] = { Ppath, Modename },
778: [SYS_rmdir] = { Ppath },
779: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 780: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 781: [SYS_nfssvc] = { Phexint, Pptr },
782: [SYS_getfh] = { Ppath, Pptr },
783: [SYS_sysarch] = { Pdecint, Pptr },
784: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
785: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 786: [SYS_setgid] = { Gidname },
787: [SYS_setegid] = { Gidname },
788: [SYS_seteuid] = { Uidname },
1.92 guenther 789: [SYS_pathconf] = { Ppath, Pathconfname },
790: [SYS_fpathconf] = { Pfd, Pathconfname },
791: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
792: [SYS_getrlimit] = { Rlimitname, Pptr },
793: [SYS_setrlimit] = { Rlimitname, Pptr },
794: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
795: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
796: [SYS_truncate] = { Ppath, PAD, Poff_t },
797: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 guenther 798: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 799: [SYS_mlock] = { Pptr, Pbigsize },
800: [SYS_munlock] = { Pptr, Pbigsize },
801: [SYS_getpgid] = { Ppid_t },
802: [SYS_utrace] = { Pptr, Pptr, Psize },
803: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
804: [SYS_msgget] = { Pkey_t, Msgflgname },
805: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
806: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
807: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
808: [SYS_shmdt] = { Pptr },
809: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
810: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 811: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 812: [SYS_getsid] = { Ppid_t },
813: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
814: [SYS_pipe] = { Pptr },
815: [SYS_fhopen] = { Pptr, Openflagsname },
816: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
817: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
818: [SYS_mlockall] = { Mlockallname },
819: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 820: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 821: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 822: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 823: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
824: [SYS_closefrom] = { Pfd },
825: [SYS_sigaltstack] = { Pptr, Pptr },
826: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
827: [SYS_semop] = { Psemid, Pptr, Psize },
828: [SYS_fhstat] = { Pptr, Pptr },
829: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
830: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
831: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
832: [SYS___thrwakeup] = { Pptr, Pcount },
833: [SYS___threxit] = { Pptr },
834: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
835: [SYS___getcwd] = { Pptr, Psize },
836: [SYS_adjfreq] = { Pptr, Pptr },
837: [SYS_setrtable] = { Pdecint },
838: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
839: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 840: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 841: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
842: [SYS_mkdirat] = { Atfd, Ppath, Modename },
843: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
844: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
845: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
846: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
847: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 848: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 849: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
850: [SYS___set_tcb] = { Pptr },
851: };
852:
1.51 otto 853:
1.12 espie 854: static void
1.93 jsg 855: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 856: {
1.92 guenther 857: register_t *ap;
858: int narg;
859: char sep;
860:
1.93 jsg 861: if (ktr->ktr_argsize > ktrlen)
862: errx(1, "syscall argument length %d > ktr header length %zu",
863: ktr->ktr_argsize, ktrlen);
864:
1.52 otto 865: narg = ktr->ktr_argsize / sizeof(register_t);
866: sep = '\0';
1.1 deraadt 867:
1.122 guenther 868: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 869: (void)printf("[%d]", ktr->ktr_code);
870: else
1.122 guenther 871: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 872: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 873: (void)putchar('(');
1.52 otto 874:
1.122 guenther 875: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 876: const char *s;
1.94 guenther 877: int n, i, *top;
1.52 otto 878:
879: n = ap[1];
880: if (n > CTL_MAXNAME)
881: n = CTL_MAXNAME;
1.93 jsg 882: if (n < 0)
883: errx(1, "invalid sysctl length %d", n);
1.94 guenther 884: if (n > 0) {
885: top = (int *)(ap + 6);
886: printf("%d", top[0]);
887: for (i = 1; i < n; i++)
888: printf(".%d", top[i]);
889: if ((s = kresolvsysctl(0, top)) != NULL) {
890: printf("<%s", s);
891: for (i = 1; i < n; i++) {
892: if ((s = kresolvsysctl(i, top)) != NULL)
893: printf(".%s", s);
894: else
895: printf(".%d", top[i]);
896: }
897: putchar('>');
898: }
1.1 deraadt 899: }
1.52 otto 900:
901: sep = ',';
902: ap += 2;
903: narg -= 2;
1.92 guenther 904: } else if (ktr->ktr_code < nitems(scargs)) {
905: const formatter *fmts = scargs[ktr->ktr_code];
906: int fmt;
1.52 otto 907:
1.92 guenther 908: while (narg && (fmt = *fmts) != 0) {
909: if (sep)
910: putchar(sep);
911: sep = ',';
912: if (!fancy && !FMT_IS_NONFANCY(fmt))
913: fmt = Pnonfancy;
914: if (fmt > 0)
915: formatters[fmt]((int)*ap);
916: else if (long_formatters[-fmt](*ap))
917: sep = '\0';
918: fmts++;
919: ap++;
920: narg--;
921: }
1.52 otto 922: }
923:
1.93 jsg 924: while (narg > 0) {
1.52 otto 925: if (sep)
926: putchar(sep);
927: if (decimal)
928: (void)printf("%ld", (long)*ap);
929: else
930: (void)printf("%#lx", (long)*ap);
931: sep = ',';
932: ap++;
933: narg--;
1.1 deraadt 934: }
1.27 mickey 935: (void)printf(")\n");
1.62 otto 936: }
937:
938: static struct ctlname topname[] = CTL_NAMES;
939: static struct ctlname kernname[] = CTL_KERN_NAMES;
940: static struct ctlname vmname[] = CTL_VM_NAMES;
941: static struct ctlname fsname[] = CTL_FS_NAMES;
942: static struct ctlname netname[] = CTL_NET_NAMES;
943: static struct ctlname hwname[] = CTL_HW_NAMES;
944: static struct ctlname debugname[CTL_DEBUG_MAXID];
945: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
946: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
947: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 948: static struct ctlname kernprocname[] = {
1.64 guenther 949: { NULL },
950: { "all" },
951: { "pid" },
952: { "pgrp" },
953: { "session" },
954: { "tty" },
955: { "uid" },
956: { "ruid" },
1.77 guenther 957: { "kthread" },
1.64 guenther 958: };
1.62 otto 959: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
960: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
961: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
962: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
963: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
964: #ifdef CTL_MACHDEP_NAMES
965: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
966: #endif
967: static struct ctlname ddbname[] = CTL_DDB_NAMES;
968:
969: #ifndef nitems
970: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
971: #endif
972:
973: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
974:
975: static const char *
1.94 guenther 976: kresolvsysctl(int depth, const int *top)
1.62 otto 977: {
978: struct ctlname *names;
979: size_t limit;
1.94 guenther 980: int idx = top[depth];
1.62 otto 981:
982: names = NULL;
983:
984: switch (depth) {
985: case 0:
986: SETNAME(topname);
987: break;
988: case 1:
989: switch (top[0]) {
990: case CTL_KERN:
991: SETNAME(kernname);
992: break;
993: case CTL_VM:
994: SETNAME(vmname);
995: break;
996: case CTL_FS:
997: SETNAME(fsname);
998: break;
999: case CTL_NET:
1000: SETNAME(netname);
1001: break;
1002: case CTL_DEBUG:
1003: SETNAME(debugname);
1004: break;
1005: case CTL_HW:
1006: SETNAME(hwname);
1007: break;
1008: #ifdef CTL_MACHDEP_NAMES
1009: case CTL_MACHDEP:
1010: SETNAME(machdepname);
1011: break;
1012: #endif
1013: case CTL_DDB:
1014: SETNAME(ddbname);
1015: break;
1016: }
1017: break;
1018: case 2:
1019: switch (top[0]) {
1020: case CTL_KERN:
1021: switch (top[1]) {
1022: case KERN_MALLOCSTATS:
1023: SETNAME(kernmallocname);
1024: break;
1025: case KERN_FORKSTAT:
1026: SETNAME(forkstatname);
1027: break;
1028: case KERN_NCHSTATS:
1029: SETNAME(nchstatsname);
1030: break;
1031: case KERN_TTY:
1032: SETNAME(ttysname);
1033: break;
1034: case KERN_SEMINFO:
1035: SETNAME(semname);
1036: break;
1037: case KERN_SHMINFO:
1038: SETNAME(shmname);
1039: break;
1040: case KERN_WATCHDOG:
1041: SETNAME(watchdogname);
1042: break;
1.64 guenther 1043: case KERN_PROC:
1044: idx++; /* zero is valid at this level */
1045: SETNAME(kernprocname);
1046: break;
1.62 otto 1047: case KERN_TIMECOUNTER:
1048: SETNAME(tcname);
1049: break;
1050: }
1051: }
1052: break;
1053: }
1054: if (names != NULL && idx > 0 && idx < limit)
1055: return (names[idx].ctl_name);
1056: return (NULL);
1.1 deraadt 1057: }
1058:
1.12 espie 1059: static void
1.103 guenther 1060: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1061: {
1.103 guenther 1062: register_t ret = 0;
1063: long long retll;
1.12 espie 1064: int error = ktr->ktr_error;
1065: int code = ktr->ktr_code;
1.1 deraadt 1066:
1.103 guenther 1067: if (ktrlen < sizeof(*ktr))
1068: errx(1, "sysret length %zu < ktr header length %zu",
1069: ktrlen, sizeof(*ktr));
1070: ktrlen -= sizeof(*ktr);
1071: if (error == 0) {
1072: if (ktrlen == sizeof(ret)) {
1073: memcpy(&ret, ktr+1, sizeof(ret));
1074: retll = ret;
1075: } else if (ktrlen == sizeof(retll))
1076: memcpy(&retll, ktr+1, sizeof(retll));
1077: else
1078: errx(1, "sysret bogus length %zu", ktrlen);
1079: }
1080:
1.122 guenther 1081: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1082: (void)printf("[%d] ", code);
1.122 guenther 1083: else
1084: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1085:
1.127 guenther 1086: doerr:
1.1 deraadt 1087: if (error == 0) {
1088: if (fancy) {
1.122 guenther 1089: switch (code) {
1.103 guenther 1090: case SYS_lseek:
1091: (void)printf("%lld", retll);
1092: if (retll < 0 || retll > 9)
1093: (void)printf("/%#llx", retll);
1094: break;
1.64 guenther 1095: case SYS_sigprocmask:
1.73 guenther 1096: case SYS_sigpending:
1.64 guenther 1097: sigset(ret);
1098: break;
1099: case SYS___thrsigdivert:
1100: signame(ret);
1.94 guenther 1101: break;
1102: case SYS_getuid:
1103: case SYS_geteuid:
1104: uidname(ret);
1105: break;
1106: case SYS_getgid:
1107: case SYS_getegid:
1108: gidname(ret);
1.64 guenther 1109: break;
1.127 guenther 1110: /* syscalls that return errno values */
1111: case SYS_getlogin_r:
1112: case SYS___thrsleep:
1113: if ((error = ret) != 0)
1114: goto doerr;
1115: /* FALLTHROUGH */
1.64 guenther 1116: default:
1117: (void)printf("%ld", (long)ret);
1118: if (ret < 0 || ret > 9)
1119: (void)printf("/%#lx", (long)ret);
1120: }
1.1 deraadt 1121: } else {
1122: if (decimal)
1.103 guenther 1123: (void)printf("%lld", retll);
1.1 deraadt 1124: else
1.103 guenther 1125: (void)printf("%#llx", retll);
1.1 deraadt 1126: }
1127: } else if (error == ERESTART)
1128: (void)printf("RESTART");
1129: else if (error == EJUSTRETURN)
1130: (void)printf("JUSTRETURN");
1131: else {
1.127 guenther 1132: (void)printf("-1 errno %d", error);
1.1 deraadt 1133: if (fancy)
1.127 guenther 1134: (void)printf(" %s", strerror(error));
1.1 deraadt 1135: }
1136: (void)putchar('\n');
1137: }
1138:
1.12 espie 1139: static void
1.37 tedu 1140: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1141: {
1.126 guenther 1142: showbufc(basecol, (unsigned char *)cp, len, VIS_DQ | VIS_TAB | VIS_NL);
1.1 deraadt 1143: }
1144:
1.111 guenther 1145: void
1.126 guenther 1146: showbufc(int col, unsigned char *dp, size_t datalen, int flags)
1.106 guenther 1147: {
1.126 guenther 1148: int width;
1149: unsigned char visbuf[5], *cp;
1.106 guenther 1150:
1.126 guenther 1151: flags |= VIS_CSTYLE;
1.106 guenther 1152: putchar('"');
1.111 guenther 1153: col++;
1.106 guenther 1154: for (; datalen > 0; datalen--, dp++) {
1.126 guenther 1155: (void)vis(visbuf, *dp, flags, *(dp+1));
1.106 guenther 1156: cp = visbuf;
1157:
1158: /*
1159: * Keep track of printables and
1160: * space chars (like fold(1)).
1161: */
1162: if (col == 0) {
1163: (void)putchar('\t');
1164: col = 8;
1165: }
1166: switch (*cp) {
1167: case '\n':
1168: col = 0;
1169: (void)putchar('\n');
1170: continue;
1171: case '\t':
1172: width = 8 - (col&07);
1173: break;
1174: default:
1175: width = strlen(cp);
1176: }
1177: if (col + width > (screenwidth-2)) {
1178: (void)printf("\\\n\t");
1179: col = 8;
1180: }
1181: col += width;
1182: do {
1183: (void)putchar(*cp++);
1184: } while (*cp);
1185: }
1186: if (col == 0)
1187: (void)printf(" ");
1188: (void)printf("\"\n");
1189: }
1190:
1191: static void
1.81 miod 1192: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1193: {
1.37 tedu 1194: int i, j;
1.126 guenther 1195: int col = 0, bpl;
1196: unsigned char c;
1.1 deraadt 1197:
1.31 tedu 1198: if (iohex == 1) {
1199: putchar('\t');
1200: col = 8;
1201: for (i = 0; i < datalen; i++) {
1.35 tedu 1202: printf("%02x", dp[i]);
1.31 tedu 1203: col += 3;
1204: if (i < datalen - 1) {
1205: if (col + 3 > screenwidth) {
1206: printf("\n\t");
1207: col = 8;
1208: } else
1209: putchar(' ');
1210: }
1211: }
1212: putchar('\n');
1213: return;
1214: }
1215: if (iohex == 2) {
1216: bpl = (screenwidth - 13)/4;
1217: if (bpl <= 0)
1218: bpl = 1;
1219: for (i = 0; i < datalen; i += bpl) {
1220: printf(" %04x: ", i);
1221: for (j = 0; j < bpl; j++) {
1222: if (i+j >= datalen)
1223: printf(" ");
1224: else
1.35 tedu 1225: printf("%02x ", dp[i+j]);
1.31 tedu 1226: }
1227: putchar(' ');
1228: for (j = 0; j < bpl; j++) {
1229: if (i+j >= datalen)
1230: break;
1231: c = dp[i+j];
1232: if (!isprint(c))
1233: c = '.';
1234: putchar(c);
1235: }
1236: putchar('\n');
1237: }
1238: return;
1239: }
1.111 guenther 1240:
1241: (void)printf(" ");
1.126 guenther 1242: showbufc(7, dp, datalen, 0);
1.1 deraadt 1243: }
1244:
1.12 espie 1245: static void
1.81 miod 1246: ktrgenio(struct ktr_genio *ktr, size_t len)
1247: {
1248: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1249: size_t datalen;
1250:
1251: if (len < sizeof(struct ktr_genio))
1252: errx(1, "invalid ktr genio length %zu", len);
1253:
1254: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1255:
1256: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1257: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1258: if (maxdata == 0)
1259: return;
1260: if (datalen > maxdata)
1261: datalen = maxdata;
1262: if (iohex && !datalen)
1263: return;
1264: showbuf(dp, datalen);
1265: }
1266:
1267: static void
1.17 deraadt 1268: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1269: {
1.93 jsg 1270: signame(psig->signo);
1.96 bluhm 1271: printf(" ");
1.1 deraadt 1272: if (psig->action == SIG_DFL)
1.63 deraadt 1273: (void)printf("SIG_DFL");
1.64 guenther 1274: else {
1275: (void)printf("caught handler=0x%lx mask=",
1276: (u_long)psig->action);
1277: sigset(psig->mask);
1278: }
1.63 deraadt 1279: if (psig->code) {
1280: printf(" code ");
1281: if (fancy) {
1282: switch (psig->signo) {
1283: case SIGILL:
1284: sigill_name(psig->code);
1285: break;
1286: case SIGTRAP:
1287: sigtrap_name(psig->code);
1288: break;
1289: case SIGEMT:
1290: sigemt_name(psig->code);
1291: break;
1292: case SIGFPE:
1293: sigfpe_name(psig->code);
1294: break;
1295: case SIGBUS:
1296: sigbus_name(psig->code);
1297: break;
1298: case SIGSEGV:
1299: sigsegv_name(psig->code);
1300: break;
1301: case SIGCHLD:
1302: sigchld_name(psig->code);
1303: break;
1304: }
1305: }
1306: printf("<%d>", psig->code);
1307: }
1308:
1.14 deraadt 1309: switch (psig->signo) {
1310: case SIGSEGV:
1311: case SIGILL:
1312: case SIGBUS:
1313: case SIGFPE:
1314: printf(" addr=%p trapno=%d", psig->si.si_addr,
1315: psig->si.si_trapno);
1316: break;
1317: default:
1318: break;
1319: }
1320: printf("\n");
1.1 deraadt 1321: }
1322:
1.64 guenther 1323: static void
1.81 miod 1324: ktruser(struct ktr_user *usr, size_t len)
1325: {
1.93 jsg 1326: if (len < sizeof(struct ktr_user))
1327: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1328: len -= sizeof(struct ktr_user);
1329: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1330: printf(" %zu bytes\n", len);
1331: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1332: }
1333:
1334: static void
1335: ktrexec(const char *ptr, size_t len)
1336: {
1.111 guenther 1337: int i, col;
1.106 guenther 1338: size_t l;
1339:
1340: putchar('\n');
1341: i = 0;
1342: while (len > 0) {
1343: l = strnlen(ptr, len);
1.111 guenther 1344: col = printf("\t[%d] = ", i++);
1345: col += 7; /* tab expands from 1 to 8 columns */
1.126 guenther 1346: showbufc(col, (unsigned char *)ptr, l, VIS_DQ|VIS_TAB|VIS_NL);
1.106 guenther 1347: if (l == len) {
1348: printf("\tunterminated argument\n");
1349: break;
1350: }
1351: len -= l + 1;
1352: ptr += l + 1;
1353: }
1.117 deraadt 1354: }
1355:
1356: static void
1357: ktrpledge(struct ktr_pledge *pledge, size_t len)
1358: {
1.118 deraadt 1359: char *name = "";
1.117 deraadt 1360: int i;
1361:
1362: if (len < sizeof(struct ktr_pledge))
1363: errx(1, "invalid ktr pledge length %zu", len);
1364:
1.122 guenther 1365: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1366: (void)printf("[%d]", pledge->syscall);
1367: else
1.122 guenther 1368: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1369: printf(", ");
1.118 deraadt 1370: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1371: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1372: name = pledgenames[i].name;
1.117 deraadt 1373: break;
1374: }
1375: }
1.118 deraadt 1376: printf("\"%s\"", name);
1.117 deraadt 1377: (void)printf(", errno %d", pledge->error);
1378: if (fancy)
1379: (void)printf(" %s", strerror(pledge->error));
1380: printf("\n");
1.81 miod 1381: }
1382:
1383: static void
1.17 deraadt 1384: usage(void)
1.1 deraadt 1385: {
1386:
1.19 mickey 1387: extern char *__progname;
1388: fprintf(stderr, "usage: %s "
1.122 guenther 1389: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
1.129 guenther 1390: "%*s[-t [cinpstuxX+]]\n",
1.51 otto 1391: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1392: exit(1);
1393: }
1394:
1.61 matthew 1395:
1.92 guenther 1396: /*
1397: * FORMATTERS
1398: */
1399:
1400: static void
1401: ioctldecode(int cmd)
1402: {
1403: char dirbuf[4], *dir = dirbuf;
1404: const char *cp;
1405:
1406: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1407: (void)printf("%s", cp);
1408: return;
1409: }
1410:
1411: if (cmd & IOC_IN)
1412: *dir++ = 'W';
1413: if (cmd & IOC_OUT)
1414: *dir++ = 'R';
1415: *dir = '\0';
1416:
1.109 zhuk 1417: printf("_IO%s('%c',%d",
1.92 guenther 1418: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1419: if ((cmd & IOC_VOID) == 0)
1420: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1421: else
1422: printf(")");
1423: }
1424:
1425: static void
1426: ptracedecode(int request)
1427: {
1428: if (request >= 0 && request < nitems(ptrace_ops))
1429: (void)printf("%s", ptrace_ops[request]);
1430: else switch(request) {
1431: #ifdef PT_GETFPREGS
1432: case PT_GETFPREGS:
1433: (void)printf("PT_GETFPREGS");
1434: break;
1435: #endif
1436: case PT_GETREGS:
1437: (void)printf("PT_GETREGS");
1438: break;
1439: #ifdef PT_GETXMMREGS
1440: case PT_GETXMMREGS:
1441: (void)printf("PT_GETXMMREGS");
1442: break;
1443: #endif
1444: #ifdef PT_SETFPREGS
1445: case PT_SETFPREGS:
1446: (void)printf("PT_SETFPREGS");
1447: break;
1448: #endif
1449: case PT_SETREGS:
1450: (void)printf("PT_SETREGS");
1451: break;
1452: #ifdef PT_SETXMMREGS
1453: case PT_SETXMMREGS:
1454: (void)printf("PT_SETXMMREGS");
1455: break;
1456: #endif
1457: #ifdef PT_STEP
1458: case PT_STEP:
1459: (void)printf("PT_STEP");
1460: break;
1461: #endif
1462: #ifdef PT_WCOOKIE
1463: case PT_WCOOKIE:
1464: (void)printf("PT_WCOOKIE");
1465: break;
1466: #endif
1467: default:
1468: pdecint(request);
1469: }
1470: }
1471:
1472:
1.61 matthew 1473: static void
1474: atfd(int fd)
1475: {
1476: if (fd == AT_FDCWD)
1477: (void)printf("AT_FDCWD");
1478: else
1.92 guenther 1479: pdecint(fd);
1.77 guenther 1480: }
1481:
1482: static void
1483: polltimeout(int timeout)
1484: {
1485: if (timeout == INFTIM)
1486: (void)printf("INFTIM");
1487: else
1.92 guenther 1488: pdecint(timeout);
1.82 guenther 1489: }
1490:
1491: static void
1492: wait4pid(int pid)
1493: {
1494: if (pid == WAIT_ANY)
1495: (void)printf("WAIT_ANY");
1496: else if (pid == WAIT_MYPGRP)
1497: (void)printf("WAIT_MYPGRP");
1498: else
1.92 guenther 1499: pdecint(pid); /* ppgid */
1.1 deraadt 1500: }
1.83 guenther 1501:
1502: static void
1503: signame(int sig)
1504: {
1505: if (sig > 0 && sig < NSIG)
1506: (void)printf("SIG%s", sys_signame[sig]);
1507: else
1508: (void)printf("SIG %d", sig);
1509: }
1510:
1.84 guenther 1511: void
1.83 guenther 1512: sigset(int ss)
1513: {
1514: int or = 0;
1515: int cnt = 0;
1516: int i;
1517:
1518: for (i = 1; i < NSIG; i++)
1519: if (sigismember(&ss, i))
1520: cnt++;
1521: if (cnt > (NSIG-1)/2) {
1522: ss = ~ss;
1523: putchar('~');
1524: }
1525:
1526: if (ss == 0) {
1527: (void)printf("0<>");
1528: return;
1529: }
1530:
1531: printf("%#x<", ss);
1532: for (i = 1; i < NSIG; i++)
1533: if (sigismember(&ss, i)) {
1534: if (or) putchar('|'); else or=1;
1535: signame(i);
1536: }
1537: printf(">");
1538: }
1539:
1540: static void
1541: semctlname(int cmd)
1542: {
1543: switch (cmd) {
1544: case GETNCNT:
1545: (void)printf("GETNCNT");
1546: break;
1547: case GETPID:
1548: (void)printf("GETPID");
1549: break;
1550: case GETVAL:
1551: (void)printf("GETVAL");
1552: break;
1553: case GETALL:
1554: (void)printf("GETALL");
1555: break;
1556: case GETZCNT:
1557: (void)printf("GETZCNT");
1558: break;
1559: case SETVAL:
1560: (void)printf("SETVAL");
1561: break;
1562: case SETALL:
1563: (void)printf("SETALL");
1564: break;
1565: case IPC_RMID:
1566: (void)printf("IPC_RMID");
1567: break;
1568: case IPC_SET:
1569: (void)printf("IPC_SET");
1570: break;
1571: case IPC_STAT:
1572: (void)printf("IPC_STAT");
1573: break;
1574: default: /* Should not reach */
1.92 guenther 1575: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1576: }
1577: }
1578:
1579: static void
1.88 guenther 1580: shmctlname(int cmd)
1581: {
1.83 guenther 1582: switch (cmd) {
1583: case IPC_RMID:
1584: (void)printf("IPC_RMID");
1585: break;
1586: case IPC_SET:
1587: (void)printf("IPC_SET");
1588: break;
1589: case IPC_STAT:
1590: (void)printf("IPC_STAT");
1591: break;
1592: default: /* Should not reach */
1.92 guenther 1593: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1594: }
1595: }
1596:
1597:
1598: static void
1.88 guenther 1599: semgetname(int flag)
1600: {
1.83 guenther 1601: int or = 0;
1602: if_print_or(flag, IPC_CREAT, or);
1603: if_print_or(flag, IPC_EXCL, or);
1604: if_print_or(flag, SEM_R, or);
1605: if_print_or(flag, SEM_A, or);
1606: if_print_or(flag, (SEM_R>>3), or);
1607: if_print_or(flag, (SEM_A>>3), or);
1608: if_print_or(flag, (SEM_R>>6), or);
1609: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1610:
1611: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1612: ((SEM_R|SEM_A)>>6)))
1613: printf("<invalid=%#x>", flag);
1.83 guenther 1614: }
1615:
1616:
1617: /*
1.92 guenther 1618: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1619: * mode argument is unused (and often bogus and misleading).
1620: */
1621: static void
1.92 guenther 1622: flagsandmodename(int mode)
1.88 guenther 1623: {
1.92 guenther 1624: openflagsname(arg1);
1625: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1626: (void)putchar(',');
1.92 guenther 1627: modename(mode);
1628: } else if (!fancy)
1629: (void)printf(",<unused>%#o", mode);
1.83 guenther 1630: }
1631:
1632: static void
1633: clockname(int clockid)
1634: {
1635: clocktypename(__CLOCK_TYPE(clockid));
1636: if (__CLOCK_PTID(clockid) != 0)
1637: printf("(%d)", __CLOCK_PTID(clockid));
1638: }
1639:
1640: /*
1641: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1642: * referring to a line in /etc/protocols.
1.83 guenther 1643: */
1644: static void
1.100 guenther 1645: sockoptlevelname(int optname)
1.83 guenther 1646: {
1.100 guenther 1647: struct protoent *pe;
1648:
1649: if (arg1 == SOL_SOCKET) {
1650: (void)printf("SOL_SOCKET,");
1651: sockoptname(optname);
1652: } else {
1653: pe = getprotobynumber(arg1);
1654: (void)printf("%u<%s>,%d", arg1,
1655: pe != NULL ? pe->p_name : "unknown", optname);
1656: }
1.83 guenther 1657: }
1658:
1.88 guenther 1659: static void
1660: ktraceopname(int ops)
1661: {
1662: int invalid = 0;
1663:
1664: printf("%#x<", ops);
1665: switch (KTROP(ops)) {
1666: case KTROP_SET:
1667: printf("KTROP_SET");
1668: break;
1669: case KTROP_CLEAR:
1670: printf("KTROP_CLEAR");
1671: break;
1672: case KTROP_CLEARFILE:
1673: printf("KTROP_CLEARFILE");
1674: break;
1675: default:
1676: printf("KTROP(%d)", KTROP(ops));
1677: invalid = 1;
1678: break;
1679: }
1.92 guenther 1680: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1681: printf(">");
1682: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1683: (void)printf("<invalid>%d", ops);
1.88 guenther 1684: }
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