Annotation of src/usr.bin/kdump/kdump.c, Revision 1.124
1.124 ! guenther 1: /* $OpenBSD: kdump.c,v 1.123 2016/03/06 22:33:48 guenther 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;
1.123 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) {
352: if (timestamp == 2) {
1.67 mikeb 353: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 354: prevtime = kth->ktr_time;
355: } else
356: temp = kth->ktr_time;
1.111 guenther 357: basecol += printf("%lld.%06ld ", (long long)temp.tv_sec,
1.79 deraadt 358: temp.tv_nsec / 1000);
1.1 deraadt 359: }
1.111 guenther 360: basecol += printf("%s ", type);
1.1 deraadt 361: }
362:
1.92 guenther 363: /*
364: * Base Formatters
365: */
366:
367: /* some syscalls have padding that shouldn't be shown */
368: static int
369: pad(long arg)
370: {
371: /* nothing printed */
372: return (1);
373: }
374:
375: /* a formatter that just saves the argument for the next formatter */
376: int arg1;
377: static int
378: pass_two(long arg)
379: {
380: arg1 = (int)arg;
381:
382: /* nothing printed */
383: return (1);
384: }
385:
386: static int
387: pdeclong(long arg)
388: {
389: (void)printf("%ld", arg);
390: return (0);
391: }
392:
393: static int
394: pdeculong(long arg)
1.2 deraadt 395: {
1.92 guenther 396: (void)printf("%lu", arg);
397: return (0);
398: }
1.2 deraadt 399:
1.92 guenther 400: static int
401: phexlong(long arg)
402: {
403: (void)printf("%#lx", arg);
404: return (0);
405: }
1.2 deraadt 406:
1.92 guenther 407: static int
408: pnonfancy(long arg)
409: {
410: if (decimal)
411: (void)printf("%ld", arg);
1.2 deraadt 412: else
1.92 guenther 413: (void)printf("%#lx", arg);
414: return (0);
1.2 deraadt 415: }
1.1 deraadt 416:
1.52 otto 417: static void
1.92 guenther 418: pdecint(int arg)
1.52 otto 419: {
1.92 guenther 420: (void)printf("%d", arg);
1.52 otto 421: }
422:
423: static void
1.92 guenther 424: pdecuint(int arg)
1.52 otto 425: {
1.92 guenther 426: (void)printf("%u", arg);
1.52 otto 427: }
428:
429: static void
1.92 guenther 430: phexint(int arg)
1.52 otto 431: {
1.92 guenther 432: (void)printf("%#x", arg);
1.52 otto 433: }
1.92 guenther 434:
1.52 otto 435: static void
1.92 guenther 436: poctint(int arg)
437: {
438: (void)printf("%#o", arg);
439: }
440:
441:
442: #ifdef __LP64__
443:
444: /* on LP64, long long arguments are the same as long arguments */
445: #define Phexlonglong Phexlong
446: #define phexll NULL /* not actually used on LP64 */
447:
448: #else /* __LP64__ */
449:
450: /* on ILP32, long long arguments are passed as two 32bit args */
451: #define Phexlonglong PASS_LONGLONG, Phexll
452:
453: static int
454: phexll(long arg2)
1.52 otto 455: {
1.92 guenther 456: long long val;
457:
458: #if _BYTE_ORDER == _LITTLE_ENDIAN
459: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
460: #else
461: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
462: #endif
463:
464: if (fancy || !decimal)
465: (void)printf("%#llx", val);
466: else
1.52 otto 467: (void)printf("%lld", val);
1.92 guenther 468: return (0);
1.52 otto 469: }
1.92 guenther 470:
471: #endif /* __LP64__ */
472:
473: static int (*long_formatters[])(long) = {
474: NULL,
475: pdeclong,
476: pdeculong,
477: phexlong,
478: pass_two,
479: pass_two,
480: phexll,
481: pad,
482: pnonfancy,
483: };
484:
485: static void (*formatters[])(int) = {
486: NULL,
487: pdecint,
488: phexint,
489: poctint,
490: pdecuint,
491: ioctldecode,
492: ptracedecode,
493: atfd,
494: polltimeout,
495: wait4pid,
496: signame,
497: semctlname,
498: shmctlname,
499: semgetname,
500: flagsandmodename,
501: clockname,
502: sockoptlevelname,
503: ktraceopname,
504: fcntlcmdname,
505: modename,
506: flagsname,
507: openflagsname,
508: atflagsname,
509: accessmodename,
510: mmapprotname,
511: mmapflagsname,
512: wait4optname,
513: sendrecvflagsname,
514: mountflagsname,
515: rebootoptname,
516: flockname,
517: sockoptname,
518: sockipprotoname,
519: socktypename,
520: sockflagsname,
521: sockfamilyname,
522: mlockallname,
523: shmatname,
524: whencename,
525: pathconfname,
526: rlimitname,
527: shutdownhowname,
528: prioname,
529: madvisebehavname,
530: msyncflagsname,
531: clocktypename,
532: rusagewho,
533: sigactionflagname,
534: sigprocmaskhowname,
535: minheritname,
536: quotactlname,
537: sigill_name,
538: sigtrap_name,
539: sigemt_name,
540: sigfpe_name,
541: sigbus_name,
542: sigsegv_name,
543: sigchld_name,
544: ktracefacname,
545: itimername,
546: sigset,
1.94 guenther 547: uidname,
548: gidname,
1.92 guenther 549: };
550:
551: enum {
552: /* the end of the (known) arguments is recognized by the zero fill */
553: end_of_args = 0,
554:
555: /* negative are the negative of the index into long_formatters[] */
556: Pdeclong = -1,
557: Pdeculong = -2,
558: Phexlong = -3,
559: PASS_TWO = -4,
560:
561: /* the remaining long formatters still get called when non-fancy (-n option) */
562: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
563: PASS_LONGLONG = -5,
564: Phexll = -6,
565: PAD = -7,
566: Pnonfancy = -8,
567:
568: /* positive values are the index into formatters[] */
569: Pdecint = 1,
570: Phexint,
571: Poctint,
572: Pdecuint,
573: Ioctldecode,
574: Ptracedecode,
575: Atfd,
576: Polltimeout,
577: Wait4pid,
578: Signame,
579: Semctlname,
580: Shmctlname,
581: Semgetname,
582: Flagsandmodename,
583: Clockname,
584: Sockoptlevelname,
585: Ktraceopname,
586: Fcntlcmdname,
587: Modename,
588: Flagsname,
589: Openflagsname,
590: Atflagsname,
591: Accessmodename,
592: Mmapprotname,
593: Mmapflagsname,
594: Wait4optname,
595: Sendrecvflagsname,
596: Mountflagsname,
597: Rebootoptname,
598: Flockname,
599: Sockoptname,
600: Sockipprotoname,
601: Socktypename,
602: Sockflagsname,
603: Sockfamilyname,
604: Mlockallname,
605: Shmatname,
606: Whencename,
607: Pathconfname,
608: Rlimitname,
609: Shutdownhowname,
610: Prioname,
611: Madvisebehavname,
612: Msyncflagsname,
613: Clocktypename,
614: Rusagewho,
615: Sigactionflagname,
616: Sigprocmaskhowname,
617: Minheritname,
618: Quotactlname,
619: Sigill_name,
620: Sigtrap_name,
621: Sigemt_name,
622: Sigfpe_name,
623: Sigbus_name,
624: Sigsegv_name,
625: Sigchld_name,
626: Ktracefacname,
627: Itimername,
628: Sigset,
1.94 guenther 629: Uidname,
630: Gidname,
1.92 guenther 631: };
632:
633: #define Pptr Phexlong
634: #define Psize Pdeculong /* size_t for small buffers */
635: #define Pbigsize Phexlong /* size_t for I/O buffers */
636: #define Pcount Pdecint /* int for a count of something */
637: #define Pfd Pdecint
638: #define Ppath Phexlong
639: #define Pdev_t Pdecint
640: #define Ppid_t Pdecint
641: #define Ppgid Pdecint /* pid or negative pgid */
642: #define Poff_t Phexlonglong
643: #define Pmsqid Pdecint
644: #define Pshmid Pdecint
645: #define Psemid Pdecint
646: #define Pkey_t Pdecint
647: #define Pucount Pdecuint
648: #define Chflagsname Phexlong /* to be added */
649: #define Sockprotoname Phexlong /* to be added */
650: #define Swapctlname Phexlong /* to be added */
651: #define Msgflgname Phexlong /* to be added */
652:
653:
654: typedef signed char formatter;
655: static const formatter scargs[][8] = {
656: [SYS_exit] = { Pdecint },
657: [SYS_read] = { Pfd, Pptr, Pbigsize },
658: [SYS_write] = { Pfd, Pptr, Pbigsize },
659: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
660: [SYS_close] = { Pfd },
661: [SYS_getentropy] = { Pptr, Psize },
662: [SYS___tfork] = { Pptr, Psize },
663: [SYS_link] = { Ppath, Ppath },
664: [SYS_unlink] = { Ppath },
665: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
666: [SYS_chdir] = { Ppath },
667: [SYS_fchdir] = { Pfd },
668: [SYS_mknod] = { Ppath, Modename, Pdev_t },
669: [SYS_chmod] = { Ppath, Modename },
1.94 guenther 670: [SYS_chown] = { Ppath, Uidname, Gidname },
1.92 guenther 671: [SYS_break] = { Pptr },
672: [SYS_getrusage] = { Rusagewho, Pptr },
673: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
674: [SYS_unmount] = { Ppath, Mountflagsname },
1.94 guenther 675: [SYS_setuid] = { Uidname },
1.92 guenther 676: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
677: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
678: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
679: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
680: [SYS_accept] = { Pfd, Pptr, Pptr },
681: [SYS_getpeername] = { Pfd, Pptr, Pptr },
682: [SYS_getsockname] = { Pfd, Pptr, Pptr },
683: [SYS_access] = { Ppath, Accessmodename },
684: [SYS_chflags] = { Ppath, Chflagsname },
685: [SYS_fchflags] = { Pfd, Chflagsname },
686: [SYS_kill] = { Ppgid, Signame },
687: [SYS_stat] = { Ppath, Pptr },
688: [SYS_lstat] = { Ppath, Pptr },
689: [SYS_dup] = { Pfd },
690: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
691: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
692: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
693: [SYS_sigaction] = { Signame, Pptr, Pptr },
694: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
695: [SYS_getlogin] = { Pptr, Pucount },
696: [SYS_setlogin] = { Pptr },
697: [SYS_acct] = { Ppath },
698: [SYS_fstat] = { Pfd, Pptr },
699: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
700: [SYS_reboot] = { Rebootoptname },
701: [SYS_revoke] = { Ppath },
702: [SYS_symlink] = { Ppath, Ppath },
703: [SYS_readlink] = { Ppath, Pptr, Psize },
704: [SYS_execve] = { Ppath, Pptr, Pptr },
705: [SYS_umask] = { Modename },
706: [SYS_chroot] = { Ppath },
707: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
708: [SYS_statfs] = { Ppath, Pptr },
709: [SYS_fstatfs] = { Pfd, Pptr },
710: [SYS_fhstatfs] = { Pptr, Pptr },
711: [SYS_gettimeofday] = { Pptr, Pptr },
712: [SYS_settimeofday] = { Pptr, Pptr },
713: [SYS_setitimer] = { Itimername, Pptr, Pptr },
714: [SYS_getitimer] = { Itimername, Pptr },
715: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
716: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
717: [SYS_munmap] = { Pptr, Pbigsize },
718: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
719: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
720: [SYS_utimes] = { Ppath, Pptr },
721: [SYS_futimes] = { Pfd, Pptr },
1.124 ! guenther 722: [SYS_kbind] = { Pptr, Psize, Phexlonglong },
1.92 guenther 723: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
724: [SYS_getgroups] = { Pcount, Pptr },
725: [SYS_setgroups] = { Pcount, Pptr },
726: [SYS_setpgid] = { Ppid_t, Ppid_t },
727: [SYS_sendsyslog] = { Pptr, Psize },
728: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
729: [SYS_futimens] = { Pfd, Pptr },
730: [SYS_clock_gettime] = { Clockname, Pptr },
731: [SYS_clock_settime] = { Clockname, Pptr },
732: [SYS_clock_getres] = { Clockname, Pptr },
733: [SYS_dup2] = { Pfd, Pfd },
734: [SYS_nanosleep] = { Pptr, Pptr },
735: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
736: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
737: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
738: [SYS_fsync] = { Pfd },
739: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 740: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 741: [SYS_connect] = { Pfd, Pptr, Pucount },
742: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
743: [SYS_getpriority] = { Prioname, Ppid_t },
744: [SYS_pipe2] = { Pptr, Flagsname },
745: [SYS_dup3] = { Pfd, Pfd, Flagsname },
746: [SYS_sigreturn] = { Pptr },
747: [SYS_bind] = { Pfd, Pptr, Pucount },
748: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
749: [SYS_listen] = { Pfd, Pdecint },
750: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
751: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
752: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
753: [SYS_sigsuspend] = { Sigset },
754: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 755: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 756: [SYS_readv] = { Pfd, Pptr, Pcount },
757: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 758: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 759: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 760: [SYS_setreuid] = { Uidname, Uidname },
761: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 762: [SYS_rename] = { Ppath, Ppath },
763: [SYS_flock] = { Pfd, Flockname },
764: [SYS_mkfifo] = { Ppath, Modename },
765: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
766: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 767: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 768: [SYS_mkdir] = { Ppath, Modename },
769: [SYS_rmdir] = { Ppath },
770: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 771: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 772: [SYS_nfssvc] = { Phexint, Pptr },
773: [SYS_getfh] = { Ppath, Pptr },
774: [SYS_sysarch] = { Pdecint, Pptr },
775: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
776: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 777: [SYS_setgid] = { Gidname },
778: [SYS_setegid] = { Gidname },
779: [SYS_seteuid] = { Uidname },
1.92 guenther 780: [SYS_pathconf] = { Ppath, Pathconfname },
781: [SYS_fpathconf] = { Pfd, Pathconfname },
782: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
783: [SYS_getrlimit] = { Rlimitname, Pptr },
784: [SYS_setrlimit] = { Rlimitname, Pptr },
785: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
786: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
787: [SYS_truncate] = { Ppath, PAD, Poff_t },
788: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 guenther 789: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 790: [SYS_mlock] = { Pptr, Pbigsize },
791: [SYS_munlock] = { Pptr, Pbigsize },
792: [SYS_getpgid] = { Ppid_t },
793: [SYS_utrace] = { Pptr, Pptr, Psize },
794: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
795: [SYS_msgget] = { Pkey_t, Msgflgname },
796: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
797: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
798: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
799: [SYS_shmdt] = { Pptr },
800: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
801: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 802: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 803: [SYS_getsid] = { Ppid_t },
804: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
805: [SYS_pipe] = { Pptr },
806: [SYS_fhopen] = { Pptr, Openflagsname },
807: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
808: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
809: [SYS_mlockall] = { Mlockallname },
810: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 811: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 812: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 813: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 814: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
815: [SYS_closefrom] = { Pfd },
816: [SYS_sigaltstack] = { Pptr, Pptr },
817: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
818: [SYS_semop] = { Psemid, Pptr, Psize },
819: [SYS_fhstat] = { Pptr, Pptr },
820: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
821: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
822: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
823: [SYS___thrwakeup] = { Pptr, Pcount },
824: [SYS___threxit] = { Pptr },
825: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
826: [SYS___getcwd] = { Pptr, Psize },
827: [SYS_adjfreq] = { Pptr, Pptr },
828: [SYS_setrtable] = { Pdecint },
829: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
830: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 831: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 832: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
833: [SYS_mkdirat] = { Atfd, Ppath, Modename },
834: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
835: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
836: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
837: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
838: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 839: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 840: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
841: [SYS___set_tcb] = { Pptr },
842: };
843:
1.51 otto 844:
1.12 espie 845: static void
1.93 jsg 846: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 847: {
1.92 guenther 848: register_t *ap;
849: int narg;
850: char sep;
851:
1.93 jsg 852: if (ktr->ktr_argsize > ktrlen)
853: errx(1, "syscall argument length %d > ktr header length %zu",
854: ktr->ktr_argsize, ktrlen);
855:
1.52 otto 856: narg = ktr->ktr_argsize / sizeof(register_t);
857: sep = '\0';
1.1 deraadt 858:
1.122 guenther 859: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 860: (void)printf("[%d]", ktr->ktr_code);
861: else
1.122 guenther 862: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 863: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 864: (void)putchar('(');
1.52 otto 865:
1.122 guenther 866: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 867: const char *s;
1.94 guenther 868: int n, i, *top;
1.52 otto 869:
870: n = ap[1];
871: if (n > CTL_MAXNAME)
872: n = CTL_MAXNAME;
1.93 jsg 873: if (n < 0)
874: errx(1, "invalid sysctl length %d", n);
1.94 guenther 875: if (n > 0) {
876: top = (int *)(ap + 6);
877: printf("%d", top[0]);
878: for (i = 1; i < n; i++)
879: printf(".%d", top[i]);
880: if ((s = kresolvsysctl(0, top)) != NULL) {
881: printf("<%s", s);
882: for (i = 1; i < n; i++) {
883: if ((s = kresolvsysctl(i, top)) != NULL)
884: printf(".%s", s);
885: else
886: printf(".%d", top[i]);
887: }
888: putchar('>');
889: }
1.1 deraadt 890: }
1.52 otto 891:
892: sep = ',';
893: ap += 2;
894: narg -= 2;
1.92 guenther 895: } else if (ktr->ktr_code < nitems(scargs)) {
896: const formatter *fmts = scargs[ktr->ktr_code];
897: int fmt;
1.52 otto 898:
1.92 guenther 899: while (narg && (fmt = *fmts) != 0) {
900: if (sep)
901: putchar(sep);
902: sep = ',';
903: if (!fancy && !FMT_IS_NONFANCY(fmt))
904: fmt = Pnonfancy;
905: if (fmt > 0)
906: formatters[fmt]((int)*ap);
907: else if (long_formatters[-fmt](*ap))
908: sep = '\0';
909: fmts++;
910: ap++;
911: narg--;
912: }
1.52 otto 913: }
914:
1.93 jsg 915: while (narg > 0) {
1.52 otto 916: if (sep)
917: putchar(sep);
918: if (decimal)
919: (void)printf("%ld", (long)*ap);
920: else
921: (void)printf("%#lx", (long)*ap);
922: sep = ',';
923: ap++;
924: narg--;
1.1 deraadt 925: }
1.27 mickey 926: (void)printf(")\n");
1.62 otto 927: }
928:
929: static struct ctlname topname[] = CTL_NAMES;
930: static struct ctlname kernname[] = CTL_KERN_NAMES;
931: static struct ctlname vmname[] = CTL_VM_NAMES;
932: static struct ctlname fsname[] = CTL_FS_NAMES;
933: static struct ctlname netname[] = CTL_NET_NAMES;
934: static struct ctlname hwname[] = CTL_HW_NAMES;
935: static struct ctlname debugname[CTL_DEBUG_MAXID];
936: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
937: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
938: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 939: static struct ctlname kernprocname[] = {
1.64 guenther 940: { NULL },
941: { "all" },
942: { "pid" },
943: { "pgrp" },
944: { "session" },
945: { "tty" },
946: { "uid" },
947: { "ruid" },
1.77 guenther 948: { "kthread" },
1.64 guenther 949: };
1.62 otto 950: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
951: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
952: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
953: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
954: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
955: #ifdef CTL_MACHDEP_NAMES
956: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
957: #endif
958: static struct ctlname ddbname[] = CTL_DDB_NAMES;
959:
960: #ifndef nitems
961: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
962: #endif
963:
964: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
965:
966: static const char *
1.94 guenther 967: kresolvsysctl(int depth, const int *top)
1.62 otto 968: {
969: struct ctlname *names;
970: size_t limit;
1.94 guenther 971: int idx = top[depth];
1.62 otto 972:
973: names = NULL;
974:
975: switch (depth) {
976: case 0:
977: SETNAME(topname);
978: break;
979: case 1:
980: switch (top[0]) {
981: case CTL_KERN:
982: SETNAME(kernname);
983: break;
984: case CTL_VM:
985: SETNAME(vmname);
986: break;
987: case CTL_FS:
988: SETNAME(fsname);
989: break;
990: case CTL_NET:
991: SETNAME(netname);
992: break;
993: case CTL_DEBUG:
994: SETNAME(debugname);
995: break;
996: case CTL_HW:
997: SETNAME(hwname);
998: break;
999: #ifdef CTL_MACHDEP_NAMES
1000: case CTL_MACHDEP:
1001: SETNAME(machdepname);
1002: break;
1003: #endif
1004: case CTL_DDB:
1005: SETNAME(ddbname);
1006: break;
1007: }
1008: break;
1009: case 2:
1010: switch (top[0]) {
1011: case CTL_KERN:
1012: switch (top[1]) {
1013: case KERN_MALLOCSTATS:
1014: SETNAME(kernmallocname);
1015: break;
1016: case KERN_FORKSTAT:
1017: SETNAME(forkstatname);
1018: break;
1019: case KERN_NCHSTATS:
1020: SETNAME(nchstatsname);
1021: break;
1022: case KERN_TTY:
1023: SETNAME(ttysname);
1024: break;
1025: case KERN_SEMINFO:
1026: SETNAME(semname);
1027: break;
1028: case KERN_SHMINFO:
1029: SETNAME(shmname);
1030: break;
1031: case KERN_WATCHDOG:
1032: SETNAME(watchdogname);
1033: break;
1.64 guenther 1034: case KERN_PROC:
1035: idx++; /* zero is valid at this level */
1036: SETNAME(kernprocname);
1037: break;
1.62 otto 1038: case KERN_TIMECOUNTER:
1039: SETNAME(tcname);
1040: break;
1041: }
1042: }
1043: break;
1044: }
1045: if (names != NULL && idx > 0 && idx < limit)
1046: return (names[idx].ctl_name);
1047: return (NULL);
1.1 deraadt 1048: }
1049:
1.12 espie 1050: static void
1.103 guenther 1051: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1052: {
1.103 guenther 1053: register_t ret = 0;
1054: long long retll;
1.12 espie 1055: int error = ktr->ktr_error;
1056: int code = ktr->ktr_code;
1.1 deraadt 1057:
1.103 guenther 1058: if (ktrlen < sizeof(*ktr))
1059: errx(1, "sysret length %zu < ktr header length %zu",
1060: ktrlen, sizeof(*ktr));
1061: ktrlen -= sizeof(*ktr);
1062: if (error == 0) {
1063: if (ktrlen == sizeof(ret)) {
1064: memcpy(&ret, ktr+1, sizeof(ret));
1065: retll = ret;
1066: } else if (ktrlen == sizeof(retll))
1067: memcpy(&retll, ktr+1, sizeof(retll));
1068: else
1069: errx(1, "sysret bogus length %zu", ktrlen);
1070: }
1071:
1.122 guenther 1072: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1073: (void)printf("[%d] ", code);
1.122 guenther 1074: else
1075: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1076:
1077: if (error == 0) {
1078: if (fancy) {
1.122 guenther 1079: switch (code) {
1.103 guenther 1080: case SYS_lseek:
1081: (void)printf("%lld", retll);
1082: if (retll < 0 || retll > 9)
1083: (void)printf("/%#llx", retll);
1084: break;
1.64 guenther 1085: case SYS_sigprocmask:
1.73 guenther 1086: case SYS_sigpending:
1.64 guenther 1087: sigset(ret);
1088: break;
1089: case SYS___thrsigdivert:
1090: signame(ret);
1.94 guenther 1091: break;
1092: case SYS_getuid:
1093: case SYS_geteuid:
1094: uidname(ret);
1095: break;
1096: case SYS_getgid:
1097: case SYS_getegid:
1098: gidname(ret);
1.64 guenther 1099: break;
1100: default:
1101: (void)printf("%ld", (long)ret);
1102: if (ret < 0 || ret > 9)
1103: (void)printf("/%#lx", (long)ret);
1104: }
1.1 deraadt 1105: } else {
1106: if (decimal)
1.103 guenther 1107: (void)printf("%lld", retll);
1.1 deraadt 1108: else
1.103 guenther 1109: (void)printf("%#llx", retll);
1.1 deraadt 1110: }
1111: } else if (error == ERESTART)
1112: (void)printf("RESTART");
1113: else if (error == EJUSTRETURN)
1114: (void)printf("JUSTRETURN");
1115: else {
1116: (void)printf("-1 errno %d", ktr->ktr_error);
1117: if (fancy)
1118: (void)printf(" %s", strerror(ktr->ktr_error));
1119: }
1120: (void)putchar('\n');
1121: }
1122:
1.12 espie 1123: static void
1.37 tedu 1124: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1125: {
1.37 tedu 1126: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1127: }
1128:
1.111 guenther 1129: void
1130: showbufc(int col, unsigned char *dp, size_t datalen)
1.106 guenther 1131: {
1132: int i, j;
1.111 guenther 1133: int width, bpl;
1.106 guenther 1134: unsigned char visbuf[5], *cp, c;
1135:
1136: putchar('"');
1.111 guenther 1137: col++;
1.106 guenther 1138: for (; datalen > 0; datalen--, dp++) {
1139: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1140: cp = visbuf;
1141:
1142: /*
1143: * Keep track of printables and
1144: * space chars (like fold(1)).
1145: */
1146: if (col == 0) {
1147: (void)putchar('\t');
1148: col = 8;
1149: }
1150: switch (*cp) {
1151: case '\n':
1152: col = 0;
1153: (void)putchar('\n');
1154: continue;
1155: case '\t':
1156: width = 8 - (col&07);
1157: break;
1158: default:
1159: width = strlen(cp);
1160: }
1161: if (col + width > (screenwidth-2)) {
1162: (void)printf("\\\n\t");
1163: col = 8;
1164: }
1165: col += width;
1166: do {
1167: (void)putchar(*cp++);
1168: } while (*cp);
1169: }
1170: if (col == 0)
1171: (void)printf(" ");
1172: (void)printf("\"\n");
1173: }
1174:
1175: static void
1.81 miod 1176: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1177: {
1.37 tedu 1178: int i, j;
1.31 tedu 1179: int col = 0, width, bpl;
1.32 tedu 1180: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1181:
1.31 tedu 1182: if (iohex == 1) {
1183: putchar('\t');
1184: col = 8;
1185: for (i = 0; i < datalen; i++) {
1.35 tedu 1186: printf("%02x", dp[i]);
1.31 tedu 1187: col += 3;
1188: if (i < datalen - 1) {
1189: if (col + 3 > screenwidth) {
1190: printf("\n\t");
1191: col = 8;
1192: } else
1193: putchar(' ');
1194: }
1195: }
1196: putchar('\n');
1197: return;
1198: }
1199: if (iohex == 2) {
1200: bpl = (screenwidth - 13)/4;
1201: if (bpl <= 0)
1202: bpl = 1;
1203: for (i = 0; i < datalen; i += bpl) {
1204: printf(" %04x: ", i);
1205: for (j = 0; j < bpl; j++) {
1206: if (i+j >= datalen)
1207: printf(" ");
1208: else
1.35 tedu 1209: printf("%02x ", dp[i+j]);
1.31 tedu 1210: }
1211: putchar(' ');
1212: for (j = 0; j < bpl; j++) {
1213: if (i+j >= datalen)
1214: break;
1215: c = dp[i+j];
1216: if (!isprint(c))
1217: c = '.';
1218: putchar(c);
1219: }
1220: putchar('\n');
1221: }
1222: return;
1223: }
1.111 guenther 1224:
1225: (void)printf(" ");
1226: showbufc(7, dp, datalen);
1.1 deraadt 1227: }
1228:
1.12 espie 1229: static void
1.81 miod 1230: ktrgenio(struct ktr_genio *ktr, size_t len)
1231: {
1232: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1233: size_t datalen;
1234:
1235: if (len < sizeof(struct ktr_genio))
1236: errx(1, "invalid ktr genio length %zu", len);
1237:
1238: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1239:
1240: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1241: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1242: if (maxdata == 0)
1243: return;
1244: if (datalen > maxdata)
1245: datalen = maxdata;
1246: if (iohex && !datalen)
1247: return;
1248: showbuf(dp, datalen);
1249: }
1250:
1251: static void
1.17 deraadt 1252: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1253: {
1.93 jsg 1254: signame(psig->signo);
1.96 bluhm 1255: printf(" ");
1.1 deraadt 1256: if (psig->action == SIG_DFL)
1.63 deraadt 1257: (void)printf("SIG_DFL");
1.64 guenther 1258: else {
1259: (void)printf("caught handler=0x%lx mask=",
1260: (u_long)psig->action);
1261: sigset(psig->mask);
1262: }
1.63 deraadt 1263: if (psig->code) {
1264: printf(" code ");
1265: if (fancy) {
1266: switch (psig->signo) {
1267: case SIGILL:
1268: sigill_name(psig->code);
1269: break;
1270: case SIGTRAP:
1271: sigtrap_name(psig->code);
1272: break;
1273: case SIGEMT:
1274: sigemt_name(psig->code);
1275: break;
1276: case SIGFPE:
1277: sigfpe_name(psig->code);
1278: break;
1279: case SIGBUS:
1280: sigbus_name(psig->code);
1281: break;
1282: case SIGSEGV:
1283: sigsegv_name(psig->code);
1284: break;
1285: case SIGCHLD:
1286: sigchld_name(psig->code);
1287: break;
1288: }
1289: }
1290: printf("<%d>", psig->code);
1291: }
1292:
1.14 deraadt 1293: switch (psig->signo) {
1294: case SIGSEGV:
1295: case SIGILL:
1296: case SIGBUS:
1297: case SIGFPE:
1298: printf(" addr=%p trapno=%d", psig->si.si_addr,
1299: psig->si.si_trapno);
1300: break;
1301: default:
1302: break;
1303: }
1304: printf("\n");
1.1 deraadt 1305: }
1306:
1.64 guenther 1307: static void
1.81 miod 1308: ktruser(struct ktr_user *usr, size_t len)
1309: {
1.93 jsg 1310: if (len < sizeof(struct ktr_user))
1311: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1312: len -= sizeof(struct ktr_user);
1313: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1314: printf(" %zu bytes\n", len);
1315: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1316: }
1317:
1318: static void
1319: ktrexec(const char *ptr, size_t len)
1320: {
1321: char buf[sizeof("[2147483648] = ")];
1.111 guenther 1322: int i, col;
1.106 guenther 1323: size_t l;
1324:
1325: putchar('\n');
1326: i = 0;
1327: while (len > 0) {
1328: l = strnlen(ptr, len);
1.111 guenther 1329: col = printf("\t[%d] = ", i++);
1330: col += 7; /* tab expands from 1 to 8 columns */
1331: showbufc(col, (unsigned char *)ptr, l);
1.106 guenther 1332: if (l == len) {
1333: printf("\tunterminated argument\n");
1334: break;
1335: }
1336: len -= l + 1;
1337: ptr += l + 1;
1338: }
1.117 deraadt 1339: }
1340:
1341: static void
1342: ktrpledge(struct ktr_pledge *pledge, size_t len)
1343: {
1.118 deraadt 1344: char *name = "";
1.117 deraadt 1345: int i;
1346:
1347: if (len < sizeof(struct ktr_pledge))
1348: errx(1, "invalid ktr pledge length %zu", len);
1349:
1.122 guenther 1350: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1351: (void)printf("[%d]", pledge->syscall);
1352: else
1.122 guenther 1353: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1354: printf(", ");
1.118 deraadt 1355: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1356: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1357: name = pledgenames[i].name;
1.117 deraadt 1358: break;
1359: }
1360: }
1.118 deraadt 1361: printf("\"%s\"", name);
1.117 deraadt 1362: (void)printf(", errno %d", pledge->error);
1363: if (fancy)
1364: (void)printf(" %s", strerror(pledge->error));
1365: printf("\n");
1.81 miod 1366: }
1367:
1368: static void
1.17 deraadt 1369: usage(void)
1.1 deraadt 1370: {
1371:
1.19 mickey 1372: extern char *__progname;
1373: fprintf(stderr, "usage: %s "
1.122 guenther 1374: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
1375: "%*s[-t [cinstuxX+]]\n",
1.51 otto 1376: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1377: exit(1);
1378: }
1379:
1.61 matthew 1380:
1.92 guenther 1381: /*
1382: * FORMATTERS
1383: */
1384:
1385: static void
1386: ioctldecode(int cmd)
1387: {
1388: char dirbuf[4], *dir = dirbuf;
1389: const char *cp;
1390:
1391: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1392: (void)printf("%s", cp);
1393: return;
1394: }
1395:
1396: if (cmd & IOC_IN)
1397: *dir++ = 'W';
1398: if (cmd & IOC_OUT)
1399: *dir++ = 'R';
1400: *dir = '\0';
1401:
1.109 zhuk 1402: printf("_IO%s('%c',%d",
1.92 guenther 1403: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1404: if ((cmd & IOC_VOID) == 0)
1405: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1406: else
1407: printf(")");
1408: }
1409:
1410: static void
1411: ptracedecode(int request)
1412: {
1413: if (request >= 0 && request < nitems(ptrace_ops))
1414: (void)printf("%s", ptrace_ops[request]);
1415: else switch(request) {
1416: #ifdef PT_GETFPREGS
1417: case PT_GETFPREGS:
1418: (void)printf("PT_GETFPREGS");
1419: break;
1420: #endif
1421: case PT_GETREGS:
1422: (void)printf("PT_GETREGS");
1423: break;
1424: #ifdef PT_GETXMMREGS
1425: case PT_GETXMMREGS:
1426: (void)printf("PT_GETXMMREGS");
1427: break;
1428: #endif
1429: #ifdef PT_SETFPREGS
1430: case PT_SETFPREGS:
1431: (void)printf("PT_SETFPREGS");
1432: break;
1433: #endif
1434: case PT_SETREGS:
1435: (void)printf("PT_SETREGS");
1436: break;
1437: #ifdef PT_SETXMMREGS
1438: case PT_SETXMMREGS:
1439: (void)printf("PT_SETXMMREGS");
1440: break;
1441: #endif
1442: #ifdef PT_STEP
1443: case PT_STEP:
1444: (void)printf("PT_STEP");
1445: break;
1446: #endif
1447: #ifdef PT_WCOOKIE
1448: case PT_WCOOKIE:
1449: (void)printf("PT_WCOOKIE");
1450: break;
1451: #endif
1452: default:
1453: pdecint(request);
1454: }
1455: }
1456:
1457:
1.61 matthew 1458: static void
1459: atfd(int fd)
1460: {
1461: if (fd == AT_FDCWD)
1462: (void)printf("AT_FDCWD");
1463: else
1.92 guenther 1464: pdecint(fd);
1.77 guenther 1465: }
1466:
1467: static void
1468: polltimeout(int timeout)
1469: {
1470: if (timeout == INFTIM)
1471: (void)printf("INFTIM");
1472: else
1.92 guenther 1473: pdecint(timeout);
1.82 guenther 1474: }
1475:
1476: static void
1477: wait4pid(int pid)
1478: {
1479: if (pid == WAIT_ANY)
1480: (void)printf("WAIT_ANY");
1481: else if (pid == WAIT_MYPGRP)
1482: (void)printf("WAIT_MYPGRP");
1483: else
1.92 guenther 1484: pdecint(pid); /* ppgid */
1.1 deraadt 1485: }
1.83 guenther 1486:
1487: static void
1488: signame(int sig)
1489: {
1490: if (sig > 0 && sig < NSIG)
1491: (void)printf("SIG%s", sys_signame[sig]);
1492: else
1493: (void)printf("SIG %d", sig);
1494: }
1495:
1.84 guenther 1496: void
1.83 guenther 1497: sigset(int ss)
1498: {
1499: int or = 0;
1500: int cnt = 0;
1501: int i;
1502:
1503: for (i = 1; i < NSIG; i++)
1504: if (sigismember(&ss, i))
1505: cnt++;
1506: if (cnt > (NSIG-1)/2) {
1507: ss = ~ss;
1508: putchar('~');
1509: }
1510:
1511: if (ss == 0) {
1512: (void)printf("0<>");
1513: return;
1514: }
1515:
1516: printf("%#x<", ss);
1517: for (i = 1; i < NSIG; i++)
1518: if (sigismember(&ss, i)) {
1519: if (or) putchar('|'); else or=1;
1520: signame(i);
1521: }
1522: printf(">");
1523: }
1524:
1525: static void
1526: semctlname(int cmd)
1527: {
1528: switch (cmd) {
1529: case GETNCNT:
1530: (void)printf("GETNCNT");
1531: break;
1532: case GETPID:
1533: (void)printf("GETPID");
1534: break;
1535: case GETVAL:
1536: (void)printf("GETVAL");
1537: break;
1538: case GETALL:
1539: (void)printf("GETALL");
1540: break;
1541: case GETZCNT:
1542: (void)printf("GETZCNT");
1543: break;
1544: case SETVAL:
1545: (void)printf("SETVAL");
1546: break;
1547: case SETALL:
1548: (void)printf("SETALL");
1549: break;
1550: case IPC_RMID:
1551: (void)printf("IPC_RMID");
1552: break;
1553: case IPC_SET:
1554: (void)printf("IPC_SET");
1555: break;
1556: case IPC_STAT:
1557: (void)printf("IPC_STAT");
1558: break;
1559: default: /* Should not reach */
1.92 guenther 1560: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1561: }
1562: }
1563:
1564: static void
1.88 guenther 1565: shmctlname(int cmd)
1566: {
1.83 guenther 1567: switch (cmd) {
1568: case IPC_RMID:
1569: (void)printf("IPC_RMID");
1570: break;
1571: case IPC_SET:
1572: (void)printf("IPC_SET");
1573: break;
1574: case IPC_STAT:
1575: (void)printf("IPC_STAT");
1576: break;
1577: default: /* Should not reach */
1.92 guenther 1578: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1579: }
1580: }
1581:
1582:
1583: static void
1.88 guenther 1584: semgetname(int flag)
1585: {
1.83 guenther 1586: int or = 0;
1587: if_print_or(flag, IPC_CREAT, or);
1588: if_print_or(flag, IPC_EXCL, or);
1589: if_print_or(flag, SEM_R, or);
1590: if_print_or(flag, SEM_A, or);
1591: if_print_or(flag, (SEM_R>>3), or);
1592: if_print_or(flag, (SEM_A>>3), or);
1593: if_print_or(flag, (SEM_R>>6), or);
1594: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1595:
1596: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1597: ((SEM_R|SEM_A)>>6)))
1598: printf("<invalid=%#x>", flag);
1.83 guenther 1599: }
1600:
1601:
1602: /*
1.92 guenther 1603: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1604: * mode argument is unused (and often bogus and misleading).
1605: */
1606: static void
1.92 guenther 1607: flagsandmodename(int mode)
1.88 guenther 1608: {
1.92 guenther 1609: openflagsname(arg1);
1610: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1611: (void)putchar(',');
1.92 guenther 1612: modename(mode);
1613: } else if (!fancy)
1614: (void)printf(",<unused>%#o", mode);
1.83 guenther 1615: }
1616:
1617: static void
1618: clockname(int clockid)
1619: {
1620: clocktypename(__CLOCK_TYPE(clockid));
1621: if (__CLOCK_PTID(clockid) != 0)
1622: printf("(%d)", __CLOCK_PTID(clockid));
1623: }
1624:
1625: /*
1626: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1627: * referring to a line in /etc/protocols.
1.83 guenther 1628: */
1629: static void
1.100 guenther 1630: sockoptlevelname(int optname)
1.83 guenther 1631: {
1.100 guenther 1632: struct protoent *pe;
1633:
1634: if (arg1 == SOL_SOCKET) {
1635: (void)printf("SOL_SOCKET,");
1636: sockoptname(optname);
1637: } else {
1638: pe = getprotobynumber(arg1);
1639: (void)printf("%u<%s>,%d", arg1,
1640: pe != NULL ? pe->p_name : "unknown", optname);
1641: }
1.83 guenther 1642: }
1643:
1.88 guenther 1644: static void
1645: ktraceopname(int ops)
1646: {
1647: int invalid = 0;
1648:
1649: printf("%#x<", ops);
1650: switch (KTROP(ops)) {
1651: case KTROP_SET:
1652: printf("KTROP_SET");
1653: break;
1654: case KTROP_CLEAR:
1655: printf("KTROP_CLEAR");
1656: break;
1657: case KTROP_CLEARFILE:
1658: printf("KTROP_CLEARFILE");
1659: break;
1660: default:
1661: printf("KTROP(%d)", KTROP(ops));
1662: invalid = 1;
1663: break;
1664: }
1.92 guenther 1665: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1666: printf(">");
1667: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1668: (void)printf("<invalid>%d", ops);
1.88 guenther 1669: }