Annotation of src/usr.bin/kdump/kdump.c, Revision 1.122
1.122 ! guenther 1: /* $OpenBSD: kdump.c,v 1.121 2016/02/28 15:55:58 naddy 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;
1.1 deraadt 188: case 'R':
189: timestamp = 2; /* relative timestamp */
190: break;
191: case 'T':
192: timestamp = 1;
193: break;
194: case 't':
195: trpoints = getpoints(optarg);
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:
1.93 jsg 249: ktrsyscall((struct ktr_syscall *)m, ktrlen);
1.1 deraadt 250: break;
251: case KTR_SYSRET:
1.103 guenther 252: ktrsysret((struct ktr_sysret *)m, ktrlen);
1.1 deraadt 253: break;
254: case KTR_NAMEI:
255: ktrnamei(m, ktrlen);
256: break;
257: case KTR_GENIO:
258: ktrgenio((struct ktr_genio *)m, ktrlen);
259: break;
260: case KTR_PSIG:
261: ktrpsig((struct ktr_psig *)m);
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:
274: ktrpledge((struct ktr_pledge *)m, ktrlen);
275: break;
1.1 deraadt 276: }
277: if (tail)
278: (void)fflush(stdout);
279: }
1.12 espie 280: exit(0);
1.1 deraadt 281: }
282:
1.12 espie 283: static int
1.37 tedu 284: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 285: {
286: int i;
287:
288: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
289: (void)sleep(1);
290: clearerr(stdin);
291: }
292: return (i);
293: }
294:
1.12 espie 295: static void
1.17 deraadt 296: dumpheader(struct ktr_header *kth)
1.1 deraadt 297: {
1.67 mikeb 298: static struct timespec prevtime;
1.1 deraadt 299: char unknown[64], *type;
1.67 mikeb 300: struct timespec temp;
1.1 deraadt 301:
302: switch (kth->ktr_type) {
303: case KTR_SYSCALL:
304: type = "CALL";
305: break;
306: case KTR_SYSRET:
307: type = "RET ";
308: break;
309: case KTR_NAMEI:
310: type = "NAMI";
311: break;
312: case KTR_GENIO:
313: type = "GIO ";
314: break;
315: case KTR_PSIG:
316: type = "PSIG";
317: break;
1.55 otto 318: case KTR_STRUCT:
319: type = "STRU";
320: break;
1.81 miod 321: case KTR_USER:
322: type = "USER";
323: break;
1.106 guenther 324: case KTR_EXECARGS:
325: type = "ARGS";
326: break;
327: case KTR_EXECENV:
328: type = "ENV ";
329: break;
1.117 deraadt 330: case KTR_PLEDGE:
331: type = "PLDG";
332: break;
1.1 deraadt 333: default:
1.122 ! guenther 334: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%u)",
1.17 deraadt 335: kth->ktr_type);
1.1 deraadt 336: type = unknown;
337: }
338:
1.111 guenther 339: basecol = printf("%6ld", (long)kth->ktr_pid);
1.67 mikeb 340: if (needtid)
1.111 guenther 341: basecol += printf("/%-7ld", (long)kth->ktr_tid);
342: basecol += printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 343: if (timestamp) {
344: if (timestamp == 2) {
1.67 mikeb 345: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 346: prevtime = kth->ktr_time;
347: } else
348: temp = kth->ktr_time;
1.111 guenther 349: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 350: temp.tv_nsec / 1000);
1.1 deraadt 351: }
1.111 guenther 352: basecol += printf("%s ", type);
1.1 deraadt 353: }
354:
1.92 guenther 355: /*
356: * Base Formatters
357: */
358:
359: /* some syscalls have padding that shouldn't be shown */
360: static int
361: pad(long arg)
362: {
363: /* nothing printed */
364: return (1);
365: }
366:
367: /* a formatter that just saves the argument for the next formatter */
368: int arg1;
369: static int
370: pass_two(long arg)
371: {
372: arg1 = (int)arg;
373:
374: /* nothing printed */
375: return (1);
376: }
377:
378: static int
379: pdeclong(long arg)
380: {
381: (void)printf("%ld", arg);
382: return (0);
383: }
384:
385: static int
386: pdeculong(long arg)
1.2 deraadt 387: {
1.92 guenther 388: (void)printf("%lu", arg);
389: return (0);
390: }
1.2 deraadt 391:
1.92 guenther 392: static int
393: phexlong(long arg)
394: {
395: (void)printf("%#lx", arg);
396: return (0);
397: }
1.2 deraadt 398:
1.92 guenther 399: static int
400: pnonfancy(long arg)
401: {
402: if (decimal)
403: (void)printf("%ld", arg);
1.2 deraadt 404: else
1.92 guenther 405: (void)printf("%#lx", arg);
406: return (0);
1.2 deraadt 407: }
1.1 deraadt 408:
1.52 otto 409: static void
1.92 guenther 410: pdecint(int arg)
1.52 otto 411: {
1.92 guenther 412: (void)printf("%d", arg);
1.52 otto 413: }
414:
415: static void
1.92 guenther 416: pdecuint(int arg)
1.52 otto 417: {
1.92 guenther 418: (void)printf("%u", arg);
1.52 otto 419: }
420:
421: static void
1.92 guenther 422: phexint(int arg)
1.52 otto 423: {
1.92 guenther 424: (void)printf("%#x", arg);
1.52 otto 425: }
1.92 guenther 426:
1.52 otto 427: static void
1.92 guenther 428: poctint(int arg)
429: {
430: (void)printf("%#o", arg);
431: }
432:
433:
434: #ifdef __LP64__
435:
436: /* on LP64, long long arguments are the same as long arguments */
437: #define Phexlonglong Phexlong
438: #define phexll NULL /* not actually used on LP64 */
439:
440: #else /* __LP64__ */
441:
442: /* on ILP32, long long arguments are passed as two 32bit args */
443: #define Phexlonglong PASS_LONGLONG, Phexll
444:
445: static int
446: phexll(long arg2)
1.52 otto 447: {
1.92 guenther 448: long long val;
449:
450: #if _BYTE_ORDER == _LITTLE_ENDIAN
451: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
452: #else
453: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
454: #endif
455:
456: if (fancy || !decimal)
457: (void)printf("%#llx", val);
458: else
1.52 otto 459: (void)printf("%lld", val);
1.92 guenther 460: return (0);
1.52 otto 461: }
1.92 guenther 462:
463: #endif /* __LP64__ */
464:
465: static int (*long_formatters[])(long) = {
466: NULL,
467: pdeclong,
468: pdeculong,
469: phexlong,
470: pass_two,
471: pass_two,
472: phexll,
473: pad,
474: pnonfancy,
475: };
476:
477: static void (*formatters[])(int) = {
478: NULL,
479: pdecint,
480: phexint,
481: poctint,
482: pdecuint,
483: ioctldecode,
484: ptracedecode,
485: atfd,
486: polltimeout,
487: wait4pid,
488: signame,
489: semctlname,
490: shmctlname,
491: semgetname,
492: flagsandmodename,
493: clockname,
494: sockoptlevelname,
495: ktraceopname,
496: fcntlcmdname,
497: modename,
498: flagsname,
499: openflagsname,
500: atflagsname,
501: accessmodename,
502: mmapprotname,
503: mmapflagsname,
504: wait4optname,
505: sendrecvflagsname,
506: mountflagsname,
507: rebootoptname,
508: flockname,
509: sockoptname,
510: sockipprotoname,
511: socktypename,
512: sockflagsname,
513: sockfamilyname,
514: mlockallname,
515: shmatname,
516: whencename,
517: pathconfname,
518: rlimitname,
519: shutdownhowname,
520: prioname,
521: madvisebehavname,
522: msyncflagsname,
523: clocktypename,
524: rusagewho,
525: sigactionflagname,
526: sigprocmaskhowname,
527: minheritname,
528: quotactlname,
529: sigill_name,
530: sigtrap_name,
531: sigemt_name,
532: sigfpe_name,
533: sigbus_name,
534: sigsegv_name,
535: sigchld_name,
536: ktracefacname,
537: itimername,
538: sigset,
1.94 guenther 539: uidname,
540: gidname,
1.92 guenther 541: };
542:
543: enum {
544: /* the end of the (known) arguments is recognized by the zero fill */
545: end_of_args = 0,
546:
547: /* negative are the negative of the index into long_formatters[] */
548: Pdeclong = -1,
549: Pdeculong = -2,
550: Phexlong = -3,
551: PASS_TWO = -4,
552:
553: /* the remaining long formatters still get called when non-fancy (-n option) */
554: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
555: PASS_LONGLONG = -5,
556: Phexll = -6,
557: PAD = -7,
558: Pnonfancy = -8,
559:
560: /* positive values are the index into formatters[] */
561: Pdecint = 1,
562: Phexint,
563: Poctint,
564: Pdecuint,
565: Ioctldecode,
566: Ptracedecode,
567: Atfd,
568: Polltimeout,
569: Wait4pid,
570: Signame,
571: Semctlname,
572: Shmctlname,
573: Semgetname,
574: Flagsandmodename,
575: Clockname,
576: Sockoptlevelname,
577: Ktraceopname,
578: Fcntlcmdname,
579: Modename,
580: Flagsname,
581: Openflagsname,
582: Atflagsname,
583: Accessmodename,
584: Mmapprotname,
585: Mmapflagsname,
586: Wait4optname,
587: Sendrecvflagsname,
588: Mountflagsname,
589: Rebootoptname,
590: Flockname,
591: Sockoptname,
592: Sockipprotoname,
593: Socktypename,
594: Sockflagsname,
595: Sockfamilyname,
596: Mlockallname,
597: Shmatname,
598: Whencename,
599: Pathconfname,
600: Rlimitname,
601: Shutdownhowname,
602: Prioname,
603: Madvisebehavname,
604: Msyncflagsname,
605: Clocktypename,
606: Rusagewho,
607: Sigactionflagname,
608: Sigprocmaskhowname,
609: Minheritname,
610: Quotactlname,
611: Sigill_name,
612: Sigtrap_name,
613: Sigemt_name,
614: Sigfpe_name,
615: Sigbus_name,
616: Sigsegv_name,
617: Sigchld_name,
618: Ktracefacname,
619: Itimername,
620: Sigset,
1.94 guenther 621: Uidname,
622: Gidname,
1.92 guenther 623: };
624:
625: #define Pptr Phexlong
626: #define Psize Pdeculong /* size_t for small buffers */
627: #define Pbigsize Phexlong /* size_t for I/O buffers */
628: #define Pcount Pdecint /* int for a count of something */
629: #define Pfd Pdecint
630: #define Ppath Phexlong
631: #define Pdev_t Pdecint
632: #define Ppid_t Pdecint
633: #define Ppgid Pdecint /* pid or negative pgid */
634: #define Poff_t Phexlonglong
635: #define Pmsqid Pdecint
636: #define Pshmid Pdecint
637: #define Psemid Pdecint
638: #define Pkey_t Pdecint
639: #define Pucount Pdecuint
640: #define Chflagsname Phexlong /* to be added */
641: #define Sockprotoname Phexlong /* to be added */
642: #define Swapctlname Phexlong /* to be added */
643: #define Msgflgname Phexlong /* to be added */
644:
645:
646: typedef signed char formatter;
647: static const formatter scargs[][8] = {
648: [SYS_exit] = { Pdecint },
649: [SYS_read] = { Pfd, Pptr, Pbigsize },
650: [SYS_write] = { Pfd, Pptr, Pbigsize },
651: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
652: [SYS_close] = { Pfd },
653: [SYS_getentropy] = { Pptr, Psize },
654: [SYS___tfork] = { Pptr, Psize },
655: [SYS_link] = { Ppath, Ppath },
656: [SYS_unlink] = { Ppath },
657: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
658: [SYS_chdir] = { Ppath },
659: [SYS_fchdir] = { Pfd },
660: [SYS_mknod] = { Ppath, Modename, Pdev_t },
661: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 662: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 663: [SYS_break] = { Pptr },
664: [SYS_getrusage] = { Rusagewho, Pptr },
665: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
666: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 667: [SYS_setuid] = { Uidname },
1.92 guenther 668: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
669: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
670: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
671: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
672: [SYS_accept] = { Pfd, Pptr, Pptr },
673: [SYS_getpeername] = { Pfd, Pptr, Pptr },
674: [SYS_getsockname] = { Pfd, Pptr, Pptr },
675: [SYS_access] = { Ppath, Accessmodename },
676: [SYS_chflags] = { Ppath, Chflagsname },
677: [SYS_fchflags] = { Pfd, Chflagsname },
678: [SYS_kill] = { Ppgid, Signame },
679: [SYS_stat] = { Ppath, Pptr },
680: [SYS_lstat] = { Ppath, Pptr },
681: [SYS_dup] = { Pfd },
682: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
683: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
684: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
685: [SYS_sigaction] = { Signame, Pptr, Pptr },
686: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
687: [SYS_getlogin] = { Pptr, Pucount },
688: [SYS_setlogin] = { Pptr },
689: [SYS_acct] = { Ppath },
690: [SYS_fstat] = { Pfd, Pptr },
691: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
692: [SYS_reboot] = { Rebootoptname },
693: [SYS_revoke] = { Ppath },
694: [SYS_symlink] = { Ppath, Ppath },
695: [SYS_readlink] = { Ppath, Pptr, Psize },
696: [SYS_execve] = { Ppath, Pptr, Pptr },
697: [SYS_umask] = { Modename },
698: [SYS_chroot] = { Ppath },
699: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
700: [SYS_statfs] = { Ppath, Pptr },
701: [SYS_fstatfs] = { Pfd, Pptr },
702: [SYS_fhstatfs] = { Pptr, Pptr },
703: [SYS_gettimeofday] = { Pptr, Pptr },
704: [SYS_settimeofday] = { Pptr, Pptr },
705: [SYS_setitimer] = { Itimername, Pptr, Pptr },
706: [SYS_getitimer] = { Itimername, Pptr },
707: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
708: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
709: [SYS_munmap] = { Pptr, Pbigsize },
710: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
711: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
712: [SYS_utimes] = { Ppath, Pptr },
713: [SYS_futimes] = { Pfd, Pptr },
714: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
715: [SYS_getgroups] = { Pcount, Pptr },
716: [SYS_setgroups] = { Pcount, Pptr },
717: [SYS_setpgid] = { Ppid_t, Ppid_t },
718: [SYS_sendsyslog] = { Pptr, Psize },
719: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
720: [SYS_futimens] = { Pfd, Pptr },
721: [SYS_clock_gettime] = { Clockname, Pptr },
722: [SYS_clock_settime] = { Clockname, Pptr },
723: [SYS_clock_getres] = { Clockname, Pptr },
724: [SYS_dup2] = { Pfd, Pfd },
725: [SYS_nanosleep] = { Pptr, Pptr },
726: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
727: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
728: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
729: [SYS_fsync] = { Pfd },
730: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 731: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 732: [SYS_connect] = { Pfd, Pptr, Pucount },
733: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
734: [SYS_getpriority] = { Prioname, Ppid_t },
735: [SYS_pipe2] = { Pptr, Flagsname },
736: [SYS_dup3] = { Pfd, Pfd, Flagsname },
737: [SYS_sigreturn] = { Pptr },
738: [SYS_bind] = { Pfd, Pptr, Pucount },
739: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
740: [SYS_listen] = { Pfd, Pdecint },
741: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
742: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
743: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
744: [SYS_sigsuspend] = { Sigset },
745: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 746: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 747: [SYS_readv] = { Pfd, Pptr, Pcount },
748: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 749: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 750: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 751: [SYS_setreuid] = { Uidname, Uidname },
752: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 753: [SYS_rename] = { Ppath, Ppath },
754: [SYS_flock] = { Pfd, Flockname },
755: [SYS_mkfifo] = { Ppath, Modename },
756: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
757: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 758: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 759: [SYS_mkdir] = { Ppath, Modename },
760: [SYS_rmdir] = { Ppath },
761: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 762: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 763: [SYS_nfssvc] = { Phexint, Pptr },
764: [SYS_getfh] = { Ppath, Pptr },
765: [SYS_sysarch] = { Pdecint, Pptr },
766: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
767: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 768: [SYS_setgid] = { Gidname },
769: [SYS_setegid] = { Gidname },
770: [SYS_seteuid] = { Uidname },
1.92 guenther 771: [SYS_pathconf] = { Ppath, Pathconfname },
772: [SYS_fpathconf] = { Pfd, Pathconfname },
773: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
774: [SYS_getrlimit] = { Rlimitname, Pptr },
775: [SYS_setrlimit] = { Rlimitname, Pptr },
776: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
777: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
778: [SYS_truncate] = { Ppath, PAD, Poff_t },
779: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 ! guenther 780: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 781: [SYS_mlock] = { Pptr, Pbigsize },
782: [SYS_munlock] = { Pptr, Pbigsize },
783: [SYS_getpgid] = { Ppid_t },
784: [SYS_utrace] = { Pptr, Pptr, Psize },
785: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
786: [SYS_msgget] = { Pkey_t, Msgflgname },
787: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
788: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
789: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
790: [SYS_shmdt] = { Pptr },
791: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
792: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 793: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 794: [SYS_getsid] = { Ppid_t },
795: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
796: [SYS_pipe] = { Pptr },
797: [SYS_fhopen] = { Pptr, Openflagsname },
798: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
799: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
800: [SYS_mlockall] = { Mlockallname },
801: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 802: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 803: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 804: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 805: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
806: [SYS_closefrom] = { Pfd },
807: [SYS_sigaltstack] = { Pptr, Pptr },
808: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
809: [SYS_semop] = { Psemid, Pptr, Psize },
810: [SYS_fhstat] = { Pptr, Pptr },
811: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
812: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
813: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
814: [SYS___thrwakeup] = { Pptr, Pcount },
815: [SYS___threxit] = { Pptr },
816: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
817: [SYS___getcwd] = { Pptr, Psize },
818: [SYS_adjfreq] = { Pptr, Pptr },
819: [SYS_setrtable] = { Pdecint },
820: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
821: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 822: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 823: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
824: [SYS_mkdirat] = { Atfd, Ppath, Modename },
825: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
826: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
827: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
828: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
829: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 830: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 831: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
832: [SYS___set_tcb] = { Pptr },
833: };
834:
1.51 otto 835:
1.12 espie 836: static void
1.93 jsg 837: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 838: {
1.92 guenther 839: register_t *ap;
840: int narg;
841: char sep;
842:
1.93 jsg 843: if (ktr->ktr_argsize > ktrlen)
844: errx(1, "syscall argument length %d > ktr header length %zu",
845: ktr->ktr_argsize, ktrlen);
846:
1.52 otto 847: narg = ktr->ktr_argsize / sizeof(register_t);
848: sep = '\0';
1.1 deraadt 849:
1.122 ! guenther 850: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 851: (void)printf("[%d]", ktr->ktr_code);
852: else
1.122 ! guenther 853: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 854: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 855: (void)putchar('(');
1.52 otto 856:
1.122 ! guenther 857: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 858: const char *s;
1.94 guenther 859: int n, i, *top;
1.52 otto 860:
861: n = ap[1];
862: if (n > CTL_MAXNAME)
863: n = CTL_MAXNAME;
1.93 jsg 864: if (n < 0)
865: errx(1, "invalid sysctl length %d", n);
1.94 guenther 866: if (n > 0) {
867: top = (int *)(ap + 6);
868: printf("%d", top[0]);
869: for (i = 1; i < n; i++)
870: printf(".%d", top[i]);
871: if ((s = kresolvsysctl(0, top)) != NULL) {
872: printf("<%s", s);
873: for (i = 1; i < n; i++) {
874: if ((s = kresolvsysctl(i, top)) != NULL)
875: printf(".%s", s);
876: else
877: printf(".%d", top[i]);
878: }
879: putchar('>');
880: }
1.1 deraadt 881: }
1.52 otto 882:
883: sep = ',';
884: ap += 2;
885: narg -= 2;
1.92 guenther 886: } else if (ktr->ktr_code < nitems(scargs)) {
887: const formatter *fmts = scargs[ktr->ktr_code];
888: int fmt;
1.52 otto 889:
1.92 guenther 890: while (narg && (fmt = *fmts) != 0) {
891: if (sep)
892: putchar(sep);
893: sep = ',';
894: if (!fancy && !FMT_IS_NONFANCY(fmt))
895: fmt = Pnonfancy;
896: if (fmt > 0)
897: formatters[fmt]((int)*ap);
898: else if (long_formatters[-fmt](*ap))
899: sep = '\0';
900: fmts++;
901: ap++;
902: narg--;
903: }
1.52 otto 904: }
905:
1.93 jsg 906: while (narg > 0) {
1.52 otto 907: if (sep)
908: putchar(sep);
909: if (decimal)
910: (void)printf("%ld", (long)*ap);
911: else
912: (void)printf("%#lx", (long)*ap);
913: sep = ',';
914: ap++;
915: narg--;
1.1 deraadt 916: }
1.27 mickey 917: (void)printf(")\n");
1.62 otto 918: }
919:
920: static struct ctlname topname[] = CTL_NAMES;
921: static struct ctlname kernname[] = CTL_KERN_NAMES;
922: static struct ctlname vmname[] = CTL_VM_NAMES;
923: static struct ctlname fsname[] = CTL_FS_NAMES;
924: static struct ctlname netname[] = CTL_NET_NAMES;
925: static struct ctlname hwname[] = CTL_HW_NAMES;
926: static struct ctlname debugname[CTL_DEBUG_MAXID];
927: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
928: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
929: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 930: static struct ctlname kernprocname[] = {
1.64 guenther 931: { NULL },
932: { "all" },
933: { "pid" },
934: { "pgrp" },
935: { "session" },
936: { "tty" },
937: { "uid" },
938: { "ruid" },
1.77 guenther 939: { "kthread" },
1.64 guenther 940: };
1.62 otto 941: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
942: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
943: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
944: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
945: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
946: #ifdef CTL_MACHDEP_NAMES
947: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
948: #endif
949: static struct ctlname ddbname[] = CTL_DDB_NAMES;
950:
951: #ifndef nitems
952: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
953: #endif
954:
955: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
956:
957: static const char *
1.94 guenther 958: kresolvsysctl(int depth, const int *top)
1.62 otto 959: {
960: struct ctlname *names;
961: size_t limit;
1.94 guenther 962: int idx = top[depth];
1.62 otto 963:
964: names = NULL;
965:
966: switch (depth) {
967: case 0:
968: SETNAME(topname);
969: break;
970: case 1:
971: switch (top[0]) {
972: case CTL_KERN:
973: SETNAME(kernname);
974: break;
975: case CTL_VM:
976: SETNAME(vmname);
977: break;
978: case CTL_FS:
979: SETNAME(fsname);
980: break;
981: case CTL_NET:
982: SETNAME(netname);
983: break;
984: case CTL_DEBUG:
985: SETNAME(debugname);
986: break;
987: case CTL_HW:
988: SETNAME(hwname);
989: break;
990: #ifdef CTL_MACHDEP_NAMES
991: case CTL_MACHDEP:
992: SETNAME(machdepname);
993: break;
994: #endif
995: case CTL_DDB:
996: SETNAME(ddbname);
997: break;
998: }
999: break;
1000: case 2:
1001: switch (top[0]) {
1002: case CTL_KERN:
1003: switch (top[1]) {
1004: case KERN_MALLOCSTATS:
1005: SETNAME(kernmallocname);
1006: break;
1007: case KERN_FORKSTAT:
1008: SETNAME(forkstatname);
1009: break;
1010: case KERN_NCHSTATS:
1011: SETNAME(nchstatsname);
1012: break;
1013: case KERN_TTY:
1014: SETNAME(ttysname);
1015: break;
1016: case KERN_SEMINFO:
1017: SETNAME(semname);
1018: break;
1019: case KERN_SHMINFO:
1020: SETNAME(shmname);
1021: break;
1022: case KERN_WATCHDOG:
1023: SETNAME(watchdogname);
1024: break;
1.64 guenther 1025: case KERN_PROC:
1026: idx++; /* zero is valid at this level */
1027: SETNAME(kernprocname);
1028: break;
1.62 otto 1029: case KERN_TIMECOUNTER:
1030: SETNAME(tcname);
1031: break;
1032: }
1033: }
1034: break;
1035: }
1036: if (names != NULL && idx > 0 && idx < limit)
1037: return (names[idx].ctl_name);
1038: return (NULL);
1.1 deraadt 1039: }
1040:
1.12 espie 1041: static void
1.103 guenther 1042: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1043: {
1.103 guenther 1044: register_t ret = 0;
1045: long long retll;
1.12 espie 1046: int error = ktr->ktr_error;
1047: int code = ktr->ktr_code;
1.1 deraadt 1048:
1.103 guenther 1049: if (ktrlen < sizeof(*ktr))
1050: errx(1, "sysret length %zu < ktr header length %zu",
1051: ktrlen, sizeof(*ktr));
1052: ktrlen -= sizeof(*ktr);
1053: if (error == 0) {
1054: if (ktrlen == sizeof(ret)) {
1055: memcpy(&ret, ktr+1, sizeof(ret));
1056: retll = ret;
1057: } else if (ktrlen == sizeof(retll))
1058: memcpy(&retll, ktr+1, sizeof(retll));
1059: else
1060: errx(1, "sysret bogus length %zu", ktrlen);
1061: }
1062:
1.122 ! guenther 1063: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1064: (void)printf("[%d] ", code);
1.122 ! guenther 1065: else
! 1066: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1067:
1068: if (error == 0) {
1069: if (fancy) {
1.122 ! guenther 1070: switch (code) {
1.103 guenther 1071: case SYS_lseek:
1072: (void)printf("%lld", retll);
1073: if (retll < 0 || retll > 9)
1074: (void)printf("/%#llx", retll);
1075: break;
1.64 guenther 1076: case SYS_sigprocmask:
1.73 guenther 1077: case SYS_sigpending:
1.64 guenther 1078: sigset(ret);
1079: break;
1080: case SYS___thrsigdivert:
1081: signame(ret);
1.94 guenther 1082: break;
1083: case SYS_getuid:
1084: case SYS_geteuid:
1085: uidname(ret);
1086: break;
1087: case SYS_getgid:
1088: case SYS_getegid:
1089: gidname(ret);
1.64 guenther 1090: break;
1091: default:
1092: (void)printf("%ld", (long)ret);
1093: if (ret < 0 || ret > 9)
1094: (void)printf("/%#lx", (long)ret);
1095: }
1.1 deraadt 1096: } else {
1097: if (decimal)
1.103 guenther 1098: (void)printf("%lld", retll);
1.1 deraadt 1099: else
1.103 guenther 1100: (void)printf("%#llx", retll);
1.1 deraadt 1101: }
1102: } else if (error == ERESTART)
1103: (void)printf("RESTART");
1104: else if (error == EJUSTRETURN)
1105: (void)printf("JUSTRETURN");
1106: else {
1107: (void)printf("-1 errno %d", ktr->ktr_error);
1108: if (fancy)
1109: (void)printf(" %s", strerror(ktr->ktr_error));
1110: }
1111: (void)putchar('\n');
1112: }
1113:
1.12 espie 1114: static void
1.37 tedu 1115: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1116: {
1.37 tedu 1117: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1118: }
1119:
1.111 guenther 1120: void
1121: showbufc(int col, unsigned char *dp, size_t datalen)
1.106 guenther 1122: {
1123: int i, j;
1.111 guenther 1124: int width, bpl;
1.106 guenther 1125: unsigned char visbuf[5], *cp, c;
1126:
1127: putchar('"');
1.111 guenther 1128: col++;
1.106 guenther 1129: for (; datalen > 0; datalen--, dp++) {
1130: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1131: cp = visbuf;
1132:
1133: /*
1134: * Keep track of printables and
1135: * space chars (like fold(1)).
1136: */
1137: if (col == 0) {
1138: (void)putchar('\t');
1139: col = 8;
1140: }
1141: switch (*cp) {
1142: case '\n':
1143: col = 0;
1144: (void)putchar('\n');
1145: continue;
1146: case '\t':
1147: width = 8 - (col&07);
1148: break;
1149: default:
1150: width = strlen(cp);
1151: }
1152: if (col + width > (screenwidth-2)) {
1153: (void)printf("\\\n\t");
1154: col = 8;
1155: }
1156: col += width;
1157: do {
1158: (void)putchar(*cp++);
1159: } while (*cp);
1160: }
1161: if (col == 0)
1162: (void)printf(" ");
1163: (void)printf("\"\n");
1164: }
1165:
1166: static void
1.81 miod 1167: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1168: {
1.37 tedu 1169: int i, j;
1.31 tedu 1170: int col = 0, width, bpl;
1.32 tedu 1171: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1172:
1.31 tedu 1173: if (iohex == 1) {
1174: putchar('\t');
1175: col = 8;
1176: for (i = 0; i < datalen; i++) {
1.35 tedu 1177: printf("%02x", dp[i]);
1.31 tedu 1178: col += 3;
1179: if (i < datalen - 1) {
1180: if (col + 3 > screenwidth) {
1181: printf("\n\t");
1182: col = 8;
1183: } else
1184: putchar(' ');
1185: }
1186: }
1187: putchar('\n');
1188: return;
1189: }
1190: if (iohex == 2) {
1191: bpl = (screenwidth - 13)/4;
1192: if (bpl <= 0)
1193: bpl = 1;
1194: for (i = 0; i < datalen; i += bpl) {
1195: printf(" %04x: ", i);
1196: for (j = 0; j < bpl; j++) {
1197: if (i+j >= datalen)
1198: printf(" ");
1199: else
1.35 tedu 1200: printf("%02x ", dp[i+j]);
1.31 tedu 1201: }
1202: putchar(' ');
1203: for (j = 0; j < bpl; j++) {
1204: if (i+j >= datalen)
1205: break;
1206: c = dp[i+j];
1207: if (!isprint(c))
1208: c = '.';
1209: putchar(c);
1210: }
1211: putchar('\n');
1212: }
1213: return;
1214: }
1.111 guenther 1215:
1216: (void)printf(" ");
1217: showbufc(7, dp, datalen);
1.1 deraadt 1218: }
1219:
1.12 espie 1220: static void
1.81 miod 1221: ktrgenio(struct ktr_genio *ktr, size_t len)
1222: {
1223: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1224: size_t datalen;
1225:
1226: if (len < sizeof(struct ktr_genio))
1227: errx(1, "invalid ktr genio length %zu", len);
1228:
1229: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1230:
1231: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1232: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1233: if (maxdata == 0)
1234: return;
1235: if (datalen > maxdata)
1236: datalen = maxdata;
1237: if (iohex && !datalen)
1238: return;
1239: showbuf(dp, datalen);
1240: }
1241:
1242: static void
1.17 deraadt 1243: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1244: {
1.93 jsg 1245: signame(psig->signo);
1.96 bluhm 1246: printf(" ");
1.1 deraadt 1247: if (psig->action == SIG_DFL)
1.63 deraadt 1248: (void)printf("SIG_DFL");
1.64 guenther 1249: else {
1250: (void)printf("caught handler=0x%lx mask=",
1251: (u_long)psig->action);
1252: sigset(psig->mask);
1253: }
1.63 deraadt 1254: if (psig->code) {
1255: printf(" code ");
1256: if (fancy) {
1257: switch (psig->signo) {
1258: case SIGILL:
1259: sigill_name(psig->code);
1260: break;
1261: case SIGTRAP:
1262: sigtrap_name(psig->code);
1263: break;
1264: case SIGEMT:
1265: sigemt_name(psig->code);
1266: break;
1267: case SIGFPE:
1268: sigfpe_name(psig->code);
1269: break;
1270: case SIGBUS:
1271: sigbus_name(psig->code);
1272: break;
1273: case SIGSEGV:
1274: sigsegv_name(psig->code);
1275: break;
1276: case SIGCHLD:
1277: sigchld_name(psig->code);
1278: break;
1279: }
1280: }
1281: printf("<%d>", psig->code);
1282: }
1283:
1.14 deraadt 1284: switch (psig->signo) {
1285: case SIGSEGV:
1286: case SIGILL:
1287: case SIGBUS:
1288: case SIGFPE:
1289: printf(" addr=%p trapno=%d", psig->si.si_addr,
1290: psig->si.si_trapno);
1291: break;
1292: default:
1293: break;
1294: }
1295: printf("\n");
1.1 deraadt 1296: }
1297:
1.64 guenther 1298: static void
1.81 miod 1299: ktruser(struct ktr_user *usr, size_t len)
1300: {
1.93 jsg 1301: if (len < sizeof(struct ktr_user))
1302: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1303: len -= sizeof(struct ktr_user);
1304: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1305: printf(" %zu bytes\n", len);
1306: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1307: }
1308:
1309: static void
1310: ktrexec(const char *ptr, size_t len)
1311: {
1312: char buf[sizeof("[2147483648] = ")];
1.111 guenther 1313: int i, col;
1.106 guenther 1314: size_t l;
1315:
1316: putchar('\n');
1317: i = 0;
1318: while (len > 0) {
1319: l = strnlen(ptr, len);
1.111 guenther 1320: col = printf("\t[%d] = ", i++);
1321: col += 7; /* tab expands from 1 to 8 columns */
1322: showbufc(col, (unsigned char *)ptr, l);
1.106 guenther 1323: if (l == len) {
1324: printf("\tunterminated argument\n");
1325: break;
1326: }
1327: len -= l + 1;
1328: ptr += l + 1;
1329: }
1.117 deraadt 1330: }
1331:
1332: static void
1333: ktrpledge(struct ktr_pledge *pledge, size_t len)
1334: {
1.118 deraadt 1335: char *name = "";
1.117 deraadt 1336: int i;
1337:
1338: if (len < sizeof(struct ktr_pledge))
1339: errx(1, "invalid ktr pledge length %zu", len);
1340:
1.122 ! guenther 1341: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1342: (void)printf("[%d]", pledge->syscall);
1343: else
1.122 ! guenther 1344: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1345: printf(", ");
1.118 deraadt 1346: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1347: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1348: name = pledgenames[i].name;
1.117 deraadt 1349: break;
1350: }
1351: }
1.118 deraadt 1352: printf("\"%s\"", name);
1.117 deraadt 1353: (void)printf(", errno %d", pledge->error);
1354: if (fancy)
1355: (void)printf(" %s", strerror(pledge->error));
1356: printf("\n");
1.81 miod 1357: }
1358:
1359: static void
1.17 deraadt 1360: usage(void)
1.1 deraadt 1361: {
1362:
1.19 mickey 1363: extern char *__progname;
1364: fprintf(stderr, "usage: %s "
1.122 ! guenther 1365: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
! 1366: "%*s[-t [cinstuxX+]]\n",
1.51 otto 1367: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1368: exit(1);
1369: }
1370:
1.61 matthew 1371:
1.92 guenther 1372: /*
1373: * FORMATTERS
1374: */
1375:
1376: static void
1377: ioctldecode(int cmd)
1378: {
1379: char dirbuf[4], *dir = dirbuf;
1380: const char *cp;
1381:
1382: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1383: (void)printf("%s", cp);
1384: return;
1385: }
1386:
1387: if (cmd & IOC_IN)
1388: *dir++ = 'W';
1389: if (cmd & IOC_OUT)
1390: *dir++ = 'R';
1391: *dir = '\0';
1392:
1.109 zhuk 1393: printf("_IO%s('%c',%d",
1.92 guenther 1394: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1395: if ((cmd & IOC_VOID) == 0)
1396: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1397: else
1398: printf(")");
1399: }
1400:
1401: static void
1402: ptracedecode(int request)
1403: {
1404: if (request >= 0 && request < nitems(ptrace_ops))
1405: (void)printf("%s", ptrace_ops[request]);
1406: else switch(request) {
1407: #ifdef PT_GETFPREGS
1408: case PT_GETFPREGS:
1409: (void)printf("PT_GETFPREGS");
1410: break;
1411: #endif
1412: case PT_GETREGS:
1413: (void)printf("PT_GETREGS");
1414: break;
1415: #ifdef PT_GETXMMREGS
1416: case PT_GETXMMREGS:
1417: (void)printf("PT_GETXMMREGS");
1418: break;
1419: #endif
1420: #ifdef PT_SETFPREGS
1421: case PT_SETFPREGS:
1422: (void)printf("PT_SETFPREGS");
1423: break;
1424: #endif
1425: case PT_SETREGS:
1426: (void)printf("PT_SETREGS");
1427: break;
1428: #ifdef PT_SETXMMREGS
1429: case PT_SETXMMREGS:
1430: (void)printf("PT_SETXMMREGS");
1431: break;
1432: #endif
1433: #ifdef PT_STEP
1434: case PT_STEP:
1435: (void)printf("PT_STEP");
1436: break;
1437: #endif
1438: #ifdef PT_WCOOKIE
1439: case PT_WCOOKIE:
1440: (void)printf("PT_WCOOKIE");
1441: break;
1442: #endif
1443: default:
1444: pdecint(request);
1445: }
1446: }
1447:
1448:
1.61 matthew 1449: static void
1450: atfd(int fd)
1451: {
1452: if (fd == AT_FDCWD)
1453: (void)printf("AT_FDCWD");
1454: else
1.92 guenther 1455: pdecint(fd);
1.77 guenther 1456: }
1457:
1458: static void
1459: polltimeout(int timeout)
1460: {
1461: if (timeout == INFTIM)
1462: (void)printf("INFTIM");
1463: else
1.92 guenther 1464: pdecint(timeout);
1.82 guenther 1465: }
1466:
1467: static void
1468: wait4pid(int pid)
1469: {
1470: if (pid == WAIT_ANY)
1471: (void)printf("WAIT_ANY");
1472: else if (pid == WAIT_MYPGRP)
1473: (void)printf("WAIT_MYPGRP");
1474: else
1.92 guenther 1475: pdecint(pid); /* ppgid */
1.1 deraadt 1476: }
1.83 guenther 1477:
1478: static void
1479: signame(int sig)
1480: {
1481: if (sig > 0 && sig < NSIG)
1482: (void)printf("SIG%s", sys_signame[sig]);
1483: else
1484: (void)printf("SIG %d", sig);
1485: }
1486:
1.84 guenther 1487: void
1.83 guenther 1488: sigset(int ss)
1489: {
1490: int or = 0;
1491: int cnt = 0;
1492: int i;
1493:
1494: for (i = 1; i < NSIG; i++)
1495: if (sigismember(&ss, i))
1496: cnt++;
1497: if (cnt > (NSIG-1)/2) {
1498: ss = ~ss;
1499: putchar('~');
1500: }
1501:
1502: if (ss == 0) {
1503: (void)printf("0<>");
1504: return;
1505: }
1506:
1507: printf("%#x<", ss);
1508: for (i = 1; i < NSIG; i++)
1509: if (sigismember(&ss, i)) {
1510: if (or) putchar('|'); else or=1;
1511: signame(i);
1512: }
1513: printf(">");
1514: }
1515:
1516: static void
1517: semctlname(int cmd)
1518: {
1519: switch (cmd) {
1520: case GETNCNT:
1521: (void)printf("GETNCNT");
1522: break;
1523: case GETPID:
1524: (void)printf("GETPID");
1525: break;
1526: case GETVAL:
1527: (void)printf("GETVAL");
1528: break;
1529: case GETALL:
1530: (void)printf("GETALL");
1531: break;
1532: case GETZCNT:
1533: (void)printf("GETZCNT");
1534: break;
1535: case SETVAL:
1536: (void)printf("SETVAL");
1537: break;
1538: case SETALL:
1539: (void)printf("SETALL");
1540: break;
1541: case IPC_RMID:
1542: (void)printf("IPC_RMID");
1543: break;
1544: case IPC_SET:
1545: (void)printf("IPC_SET");
1546: break;
1547: case IPC_STAT:
1548: (void)printf("IPC_STAT");
1549: break;
1550: default: /* Should not reach */
1.92 guenther 1551: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1552: }
1553: }
1554:
1555: static void
1.88 guenther 1556: shmctlname(int cmd)
1557: {
1.83 guenther 1558: switch (cmd) {
1559: case IPC_RMID:
1560: (void)printf("IPC_RMID");
1561: break;
1562: case IPC_SET:
1563: (void)printf("IPC_SET");
1564: break;
1565: case IPC_STAT:
1566: (void)printf("IPC_STAT");
1567: break;
1568: default: /* Should not reach */
1.92 guenther 1569: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1570: }
1571: }
1572:
1573:
1574: static void
1.88 guenther 1575: semgetname(int flag)
1576: {
1.83 guenther 1577: int or = 0;
1578: if_print_or(flag, IPC_CREAT, or);
1579: if_print_or(flag, IPC_EXCL, or);
1580: if_print_or(flag, SEM_R, or);
1581: if_print_or(flag, SEM_A, or);
1582: if_print_or(flag, (SEM_R>>3), or);
1583: if_print_or(flag, (SEM_A>>3), or);
1584: if_print_or(flag, (SEM_R>>6), or);
1585: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1586:
1587: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1588: ((SEM_R|SEM_A)>>6)))
1589: printf("<invalid=%#x>", flag);
1.83 guenther 1590: }
1591:
1592:
1593: /*
1.92 guenther 1594: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1595: * mode argument is unused (and often bogus and misleading).
1596: */
1597: static void
1.92 guenther 1598: flagsandmodename(int mode)
1.88 guenther 1599: {
1.92 guenther 1600: openflagsname(arg1);
1601: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1602: (void)putchar(',');
1.92 guenther 1603: modename(mode);
1604: } else if (!fancy)
1605: (void)printf(",<unused>%#o", mode);
1.83 guenther 1606: }
1607:
1608: static void
1609: clockname(int clockid)
1610: {
1611: clocktypename(__CLOCK_TYPE(clockid));
1612: if (__CLOCK_PTID(clockid) != 0)
1613: printf("(%d)", __CLOCK_PTID(clockid));
1614: }
1615:
1616: /*
1617: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1618: * referring to a line in /etc/protocols.
1.83 guenther 1619: */
1620: static void
1.100 guenther 1621: sockoptlevelname(int optname)
1.83 guenther 1622: {
1.100 guenther 1623: struct protoent *pe;
1624:
1625: if (arg1 == SOL_SOCKET) {
1626: (void)printf("SOL_SOCKET,");
1627: sockoptname(optname);
1628: } else {
1629: pe = getprotobynumber(arg1);
1630: (void)printf("%u<%s>,%d", arg1,
1631: pe != NULL ? pe->p_name : "unknown", optname);
1632: }
1.83 guenther 1633: }
1634:
1.88 guenther 1635: static void
1636: ktraceopname(int ops)
1637: {
1638: int invalid = 0;
1639:
1640: printf("%#x<", ops);
1641: switch (KTROP(ops)) {
1642: case KTROP_SET:
1643: printf("KTROP_SET");
1644: break;
1645: case KTROP_CLEAR:
1646: printf("KTROP_CLEAR");
1647: break;
1648: case KTROP_CLEARFILE:
1649: printf("KTROP_CLEARFILE");
1650: break;
1651: default:
1652: printf("KTROP(%d)", KTROP(ops));
1653: invalid = 1;
1654: break;
1655: }
1.92 guenther 1656: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1657: printf(">");
1658: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1659: (void)printf("<invalid>%d", ops);
1.88 guenther 1660: }
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