Annotation of src/usr.bin/kdump/kdump.c, Revision 1.93
1.93 ! jsg 1: /* $OpenBSD: kdump.c,v 1.92 2014/12/08 21:23:44 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:
32: #include <sys/param.h>
33: #include <sys/time.h>
34: #include <sys/uio.h>
35: #include <sys/ktrace.h>
36: #include <sys/ioctl.h>
1.62 otto 37: #include <sys/malloc.h>
38: #include <sys/namei.h>
1.1 deraadt 39: #include <sys/ptrace.h>
1.62 otto 40: #include <sys/sem.h>
41: #include <sys/shm.h>
1.51 otto 42: #include <sys/socket.h>
1.28 deraadt 43: #include <sys/sysctl.h>
1.63 deraadt 44: #include <sys/siginfo.h>
1.62 otto 45: #include <sys/vmmeter.h>
46: #include <sys/tty.h>
1.82 guenther 47: #include <sys/wait.h>
1.1 deraadt 48: #define _KERNEL
1.84 guenther 49: #include <errno.h>
1.1 deraadt 50: #undef _KERNEL
1.62 otto 51: #include <ddb/db_var.h>
52: #include <machine/cpu.h>
1.1 deraadt 53:
1.33 tedu 54: #include <ctype.h>
1.1 deraadt 55: #include <err.h>
1.61 matthew 56: #include <fcntl.h>
1.64 guenther 57: #include <limits.h>
1.77 guenther 58: #include <poll.h>
1.1 deraadt 59: #include <signal.h>
60: #include <stdio.h>
61: #include <stdlib.h>
1.55 otto 62: #include <stdint.h>
1.1 deraadt 63: #include <string.h>
64: #include <unistd.h>
65: #include <vis.h>
66:
67: #include "ktrace.h"
1.22 deraadt 68: #include "kdump.h"
1.51 otto 69: #include "kdump_subr.h"
1.12 espie 70: #include "extern.h"
1.1 deraadt 71:
1.67 mikeb 72: int timestamp, decimal, iohex, fancy = 1, maxdata = INT_MAX;
73: int needtid, resolv, tail;
1.1 deraadt 74: char *tracefile = DEF_TRACEFILE;
75: struct ktr_header ktr_header;
1.85 guenther 76: pid_t pid_opt = -1;
1.1 deraadt 77:
78: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
79:
80: #include <sys/syscall.h>
81:
1.25 mickey 82: #include <compat/linux/linux_syscall.h>
1.1 deraadt 83:
84: #define KTRACE
1.19 mickey 85: #define PTRACE
1.7 deraadt 86: #define NFSCLIENT
87: #define NFSSERVER
88: #define SYSVSEM
89: #define SYSVMSG
90: #define SYSVSHM
91: #define LFS
1.25 mickey 92: #include <kern/syscalls.c>
1.1 deraadt 93:
1.25 mickey 94: #include <compat/linux/linux_syscalls.c>
1.1 deraadt 95: #undef KTRACE
1.19 mickey 96: #undef PTRACE
1.7 deraadt 97: #undef NFSCLIENT
98: #undef NFSSERVER
99: #undef SYSVSEM
100: #undef SYSVMSG
101: #undef SYSVSHM
102: #undef LFS
1.1 deraadt 103:
104: struct emulation {
105: char *name; /* Emulation name */
106: char **sysnames; /* Array of system call names */
107: int nsysnames; /* Number of */
108: };
109:
110: static struct emulation emulations[] = {
1.9 deraadt 111: { "native", syscallnames, SYS_MAXSYSCALL },
112: { "linux", linux_syscallnames, LINUX_SYS_MAXSYSCALL },
1.49 miod 113: { NULL, NULL, 0 }
1.1 deraadt 114: };
115:
1.59 otto 116: static struct emulation *current;
1.60 otto 117: static struct emulation *def_emul;
1.59 otto 118:
119: struct pid_emul {
120: struct emulation *e;
121: pid_t p;
122: };
123:
124: static struct pid_emul *pe_table;
125: static size_t pe_size;
1.1 deraadt 126:
127:
128: static char *ptrace_ops[] = {
129: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
130: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 131: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 132: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 133: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 134: };
135:
1.59 otto 136: static void mappidtoemul(pid_t, struct emulation *);
137: static struct emulation * findemul(pid_t);
1.37 tedu 138: static int fread_tail(void *, size_t, size_t);
1.13 millert 139: static void dumpheader(struct ktr_header *);
140: static void ktrcsw(struct ktr_csw *);
1.37 tedu 141: static void ktremul(char *, size_t);
142: static void ktrgenio(struct ktr_genio *, size_t);
143: static void ktrnamei(const char *, size_t);
1.13 millert 144: static void ktrpsig(struct ktr_psig *);
1.93 ! jsg 145: static void ktrsyscall(struct ktr_syscall *, size_t);
1.62 otto 146: static const char *kresolvsysctl(int, int *, int);
1.13 millert 147: static void ktrsysret(struct ktr_sysret *);
1.81 miod 148: static void ktruser(struct ktr_user *, size_t);
1.13 millert 149: static void setemul(const char *);
150: static void usage(void);
1.92 guenther 151: static void ioctldecode(int);
152: static void ptracedecode(int);
1.61 matthew 153: static void atfd(int);
1.77 guenther 154: static void polltimeout(int);
1.82 guenther 155: static void wait4pid(int);
1.83 guenther 156: static void signame(int);
157: static void semctlname(int);
158: static void shmctlname(int);
159: static void semgetname(int);
1.92 guenther 160: static void flagsandmodename(int);
1.83 guenther 161: static void clockname(int);
162: static void sockoptlevelname(int);
1.88 guenther 163: static void ktraceopname(int);
1.12 espie 164:
1.1 deraadt 165: int
1.17 deraadt 166: main(int argc, char *argv[])
1.1 deraadt 167: {
1.37 tedu 168: int ch, silent;
169: size_t ktrlen, size;
1.17 deraadt 170: int trpoints = ALL_POINTS;
1.12 espie 171: void *m;
1.1 deraadt 172:
1.60 otto 173: def_emul = current = &emulations[0]; /* native */
1.1 deraadt 174:
1.67 mikeb 175: while ((ch = getopt(argc, argv, "e:f:dHlm:nrRp:Tt:xX")) != -1)
1.1 deraadt 176: switch (ch) {
177: case 'e':
178: setemul(optarg);
1.60 otto 179: def_emul = current;
1.1 deraadt 180: break;
181: case 'f':
182: tracefile = optarg;
183: break;
184: case 'd':
185: decimal = 1;
186: break;
1.67 mikeb 187: case 'H':
188: needtid = 1;
189: break;
1.1 deraadt 190: case 'l':
191: tail = 1;
192: break;
193: case 'm':
194: maxdata = atoi(optarg);
195: break;
196: case 'n':
197: fancy = 0;
198: break;
1.17 deraadt 199: case 'p':
1.85 guenther 200: pid_opt = atoi(optarg);
1.17 deraadt 201: break;
1.55 otto 202: case 'r':
203: resolv = 1;
204: break;
1.1 deraadt 205: case 'R':
206: timestamp = 2; /* relative timestamp */
207: break;
208: case 'T':
209: timestamp = 1;
210: break;
211: case 't':
212: trpoints = getpoints(optarg);
213: if (trpoints < 0)
214: errx(1, "unknown trace point in %s", optarg);
215: break;
1.31 tedu 216: case 'x':
217: iohex = 1;
218: break;
219: case 'X':
220: iohex = 2;
221: break;
1.1 deraadt 222: default:
223: usage();
224: }
1.5 deraadt 225: if (argc > optind)
1.1 deraadt 226: usage();
227:
1.37 tedu 228: m = malloc(size = 1025);
1.1 deraadt 229: if (m == NULL)
1.37 tedu 230: err(1, NULL);
1.1 deraadt 231: if (!freopen(tracefile, "r", stdin))
232: err(1, "%s", tracefile);
1.67 mikeb 233: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
234: ktr_header.ktr_type != htobe32(KTR_START))
235: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 236: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 237: silent = 0;
1.59 otto 238: if (pe_size == 0)
239: mappidtoemul(ktr_header.ktr_pid, current);
1.85 guenther 240: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 241: silent = 1;
242: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 243: dumpheader(&ktr_header);
1.37 tedu 244: ktrlen = ktr_header.ktr_len;
1.1 deraadt 245: if (ktrlen > size) {
1.23 tedu 246: void *newm;
247:
1.64 guenther 248: if (ktrlen == SIZE_MAX)
249: errx(1, "data too long");
1.23 tedu 250: newm = realloc(m, ktrlen+1);
251: if (newm == NULL)
1.66 deraadt 252: err(1, "realloc");
1.23 tedu 253: m = newm;
1.1 deraadt 254: size = ktrlen;
255: }
256: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
257: errx(1, "data too short");
1.17 deraadt 258: if (silent)
259: continue;
1.1 deraadt 260: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
261: continue;
1.59 otto 262: current = findemul(ktr_header.ktr_pid);
1.1 deraadt 263: switch (ktr_header.ktr_type) {
264: case KTR_SYSCALL:
1.93 ! jsg 265: ktrsyscall((struct ktr_syscall *)m, ktrlen);
1.1 deraadt 266: break;
267: case KTR_SYSRET:
268: ktrsysret((struct ktr_sysret *)m);
269: break;
270: case KTR_NAMEI:
271: ktrnamei(m, ktrlen);
272: break;
273: case KTR_GENIO:
274: ktrgenio((struct ktr_genio *)m, ktrlen);
275: break;
276: case KTR_PSIG:
277: ktrpsig((struct ktr_psig *)m);
278: break;
279: case KTR_CSW:
280: ktrcsw((struct ktr_csw *)m);
281: break;
282: case KTR_EMUL:
283: ktremul(m, ktrlen);
1.59 otto 284: mappidtoemul(ktr_header.ktr_pid, current);
1.1 deraadt 285: break;
1.55 otto 286: case KTR_STRUCT:
287: ktrstruct(m, ktrlen);
288: break;
1.81 miod 289: case KTR_USER:
290: ktruser(m, ktrlen);
291: break;
1.1 deraadt 292: }
293: if (tail)
294: (void)fflush(stdout);
295: }
1.12 espie 296: exit(0);
1.1 deraadt 297: }
298:
1.59 otto 299: static void
300: mappidtoemul(pid_t pid, struct emulation *emul)
301: {
302: size_t i;
303: struct pid_emul *tmp;
304:
305: for (i = 0; i < pe_size; i++) {
306: if (pe_table[i].p == pid) {
307: pe_table[i].e = emul;
308: return;
309: }
310: }
1.90 doug 311: tmp = reallocarray(pe_table, pe_size + 1, sizeof(*pe_table));
1.59 otto 312: if (tmp == NULL)
313: err(1, NULL);
314: pe_table = tmp;
315: pe_table[pe_size].p = pid;
316: pe_table[pe_size].e = emul;
317: pe_size++;
318: }
319:
320: static struct emulation*
321: findemul(pid_t pid)
322: {
323: size_t i;
324:
325: for (i = 0; i < pe_size; i++)
326: if (pe_table[i].p == pid)
327: return pe_table[i].e;
1.60 otto 328: return def_emul;
1.59 otto 329: }
330:
1.12 espie 331: static int
1.37 tedu 332: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 333: {
334: int i;
335:
336: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
337: (void)sleep(1);
338: clearerr(stdin);
339: }
340: return (i);
341: }
342:
1.12 espie 343: static void
1.17 deraadt 344: dumpheader(struct ktr_header *kth)
1.1 deraadt 345: {
1.67 mikeb 346: static struct timespec prevtime;
1.1 deraadt 347: char unknown[64], *type;
1.67 mikeb 348: struct timespec temp;
1.1 deraadt 349:
350: switch (kth->ktr_type) {
351: case KTR_SYSCALL:
352: type = "CALL";
353: break;
354: case KTR_SYSRET:
355: type = "RET ";
356: break;
357: case KTR_NAMEI:
358: type = "NAMI";
359: break;
360: case KTR_GENIO:
361: type = "GIO ";
362: break;
363: case KTR_PSIG:
364: type = "PSIG";
365: break;
366: case KTR_CSW:
367: type = "CSW";
368: break;
369: case KTR_EMUL:
370: type = "EMUL";
371: break;
1.55 otto 372: case KTR_STRUCT:
373: type = "STRU";
374: break;
1.81 miod 375: case KTR_USER:
376: type = "USER";
377: break;
1.1 deraadt 378: default:
1.17 deraadt 379: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%d)",
380: kth->ktr_type);
1.1 deraadt 381: type = unknown;
382: }
383:
1.67 mikeb 384: (void)printf("%6ld", (long)kth->ktr_pid);
385: if (needtid)
1.69 mikeb 386: (void)printf("/%-7ld", (long)kth->ktr_tid);
1.67 mikeb 387: (void)printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 388: if (timestamp) {
389: if (timestamp == 2) {
1.67 mikeb 390: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 391: prevtime = kth->ktr_time;
392: } else
393: temp = kth->ktr_time;
1.79 deraadt 394: printf("%lld.%06ld ", (long long)temp.tv_sec,
395: temp.tv_nsec / 1000);
1.1 deraadt 396: }
397: (void)printf("%s ", type);
398: }
399:
1.92 guenther 400: /*
401: * Base Formatters
402: */
403:
404: /* some syscalls have padding that shouldn't be shown */
405: static int
406: pad(long arg)
407: {
408: /* nothing printed */
409: return (1);
410: }
411:
412: /* a formatter that just saves the argument for the next formatter */
413: int arg1;
414: static int
415: pass_two(long arg)
416: {
417: arg1 = (int)arg;
418:
419: /* nothing printed */
420: return (1);
421: }
422:
423: static int
424: pdeclong(long arg)
425: {
426: (void)printf("%ld", arg);
427: return (0);
428: }
429:
430: static int
431: pdeculong(long arg)
1.2 deraadt 432: {
1.92 guenther 433: (void)printf("%lu", arg);
434: return (0);
435: }
1.2 deraadt 436:
1.92 guenther 437: static int
438: phexlong(long arg)
439: {
440: (void)printf("%#lx", arg);
441: return (0);
442: }
1.2 deraadt 443:
1.92 guenther 444: static int
445: pnonfancy(long arg)
446: {
447: if (decimal)
448: (void)printf("%ld", arg);
1.2 deraadt 449: else
1.92 guenther 450: (void)printf("%#lx", arg);
451: return (0);
1.2 deraadt 452: }
1.1 deraadt 453:
1.52 otto 454: static void
1.92 guenther 455: pdecint(int arg)
1.52 otto 456: {
1.92 guenther 457: (void)printf("%d", arg);
1.52 otto 458: }
459:
460: static void
1.92 guenther 461: pdecuint(int arg)
1.52 otto 462: {
1.92 guenther 463: (void)printf("%u", arg);
1.52 otto 464: }
465:
466: static void
1.92 guenther 467: phexint(int arg)
1.52 otto 468: {
1.92 guenther 469: (void)printf("%#x", arg);
1.52 otto 470: }
1.92 guenther 471:
1.52 otto 472: static void
1.92 guenther 473: poctint(int arg)
474: {
475: (void)printf("%#o", arg);
476: }
477:
478:
479: #ifdef __LP64__
480:
481: /* on LP64, long long arguments are the same as long arguments */
482: #define Phexlonglong Phexlong
483: #define phexll NULL /* not actually used on LP64 */
484:
485: #else /* __LP64__ */
486:
487: /* on ILP32, long long arguments are passed as two 32bit args */
488: #define Phexlonglong PASS_LONGLONG, Phexll
489:
490: static int
491: phexll(long arg2)
1.52 otto 492: {
1.92 guenther 493: long long val;
494:
495: #if _BYTE_ORDER == _LITTLE_ENDIAN
496: val = ((long long)arg2 << 32) | ((long long)arg1 & 0xffffffff);
497: #else
498: val = ((long long)arg1 << 32) | ((long long)arg2 & 0xffffffff);
499: #endif
500:
501: if (fancy || !decimal)
502: (void)printf("%#llx", val);
503: else
1.52 otto 504: (void)printf("%lld", val);
1.92 guenther 505: return (0);
1.52 otto 506: }
1.92 guenther 507:
508: #endif /* __LP64__ */
509:
510: static int (*long_formatters[])(long) = {
511: NULL,
512: pdeclong,
513: pdeculong,
514: phexlong,
515: pass_two,
516: pass_two,
517: phexll,
518: pad,
519: pnonfancy,
520: };
521:
522: static void (*formatters[])(int) = {
523: NULL,
524: pdecint,
525: phexint,
526: poctint,
527: pdecuint,
528: ioctldecode,
529: ptracedecode,
530: atfd,
531: polltimeout,
532: wait4pid,
533: signame,
534: semctlname,
535: shmctlname,
536: semgetname,
537: flagsandmodename,
538: clockname,
539: sockoptlevelname,
540: ktraceopname,
541: fcntlcmdname,
542: modename,
543: flagsname,
544: openflagsname,
545: atflagsname,
546: accessmodename,
547: mmapprotname,
548: mmapflagsname,
549: wait4optname,
550: sendrecvflagsname,
551: mountflagsname,
552: rebootoptname,
553: flockname,
554: sockoptname,
555: sockdomainname,
556: sockipprotoname,
557: socktypename,
558: sockflagsname,
559: sockfamilyname,
560: mlockallname,
561: shmatname,
562: whencename,
563: pathconfname,
564: rlimitname,
565: shutdownhowname,
566: prioname,
567: madvisebehavname,
568: msyncflagsname,
569: clocktypename,
570: rusagewho,
571: sigactionflagname,
572: sigprocmaskhowname,
573: minheritname,
574: quotactlname,
575: sigill_name,
576: sigtrap_name,
577: sigemt_name,
578: sigfpe_name,
579: sigbus_name,
580: sigsegv_name,
581: sigchld_name,
582: ktracefacname,
583: itimername,
584: sigset,
585: };
586:
587: enum {
588: /* the end of the (known) arguments is recognized by the zero fill */
589: end_of_args = 0,
590:
591: /* negative are the negative of the index into long_formatters[] */
592: Pdeclong = -1,
593: Pdeculong = -2,
594: Phexlong = -3,
595: PASS_TWO = -4,
596:
597: /* the remaining long formatters still get called when non-fancy (-n option) */
598: #define FMT_IS_NONFANCY(x) ((x) <= PASS_LONGLONG)
599: PASS_LONGLONG = -5,
600: Phexll = -6,
601: PAD = -7,
602: Pnonfancy = -8,
603:
604: /* positive values are the index into formatters[] */
605: Pdecint = 1,
606: Phexint,
607: Poctint,
608: Pdecuint,
609: Ioctldecode,
610: Ptracedecode,
611: Atfd,
612: Polltimeout,
613: Wait4pid,
614: Signame,
615: Semctlname,
616: Shmctlname,
617: Semgetname,
618: Flagsandmodename,
619: Clockname,
620: Sockoptlevelname,
621: Ktraceopname,
622: Fcntlcmdname,
623: Modename,
624: Flagsname,
625: Openflagsname,
626: Atflagsname,
627: Accessmodename,
628: Mmapprotname,
629: Mmapflagsname,
630: Wait4optname,
631: Sendrecvflagsname,
632: Mountflagsname,
633: Rebootoptname,
634: Flockname,
635: Sockoptname,
636: Sockdomainname,
637: Sockipprotoname,
638: Socktypename,
639: Sockflagsname,
640: Sockfamilyname,
641: Mlockallname,
642: Shmatname,
643: Whencename,
644: Pathconfname,
645: Rlimitname,
646: Shutdownhowname,
647: Prioname,
648: Madvisebehavname,
649: Msyncflagsname,
650: Clocktypename,
651: Rusagewho,
652: Sigactionflagname,
653: Sigprocmaskhowname,
654: Minheritname,
655: Quotactlname,
656: Sigill_name,
657: Sigtrap_name,
658: Sigemt_name,
659: Sigfpe_name,
660: Sigbus_name,
661: Sigsegv_name,
662: Sigchld_name,
663: Ktracefacname,
664: Itimername,
665: Sigset,
666: };
667:
668: #define Pptr Phexlong
669: #define Psize Pdeculong /* size_t for small buffers */
670: #define Pbigsize Phexlong /* size_t for I/O buffers */
671: #define Pcount Pdecint /* int for a count of something */
672: #define Pfd Pdecint
673: #define Ppath Phexlong
674: #define Pdev_t Pdecint
675: #define Ppid_t Pdecint
676: #define Ppgid Pdecint /* pid or negative pgid */
677: #define Poff_t Phexlonglong
678: #define Pmsqid Pdecint
679: #define Pshmid Pdecint
680: #define Psemid Pdecint
681: #define Pkey_t Pdecint
682: #define Pucount Pdecuint
683: #define Puid_t Pdecuint
684: #define Pgid_t Pdecuint
685: #define Chflagsname Phexlong /* to be added */
686: #define Sockprotoname Phexlong /* to be added */
687: #define Swapctlname Phexlong /* to be added */
688: #define Msgflgname Phexlong /* to be added */
689:
690:
691: typedef signed char formatter;
692: static const formatter scargs[][8] = {
693: [SYS_exit] = { Pdecint },
694: [SYS_read] = { Pfd, Pptr, Pbigsize },
695: [SYS_write] = { Pfd, Pptr, Pbigsize },
696: [SYS_open] = { Ppath, PASS_TWO, Flagsandmodename },
697: [SYS_close] = { Pfd },
698: [SYS_getentropy] = { Pptr, Psize },
699: [SYS___tfork] = { Pptr, Psize },
700: [SYS_link] = { Ppath, Ppath },
701: [SYS_unlink] = { Ppath },
702: [SYS_wait4] = { Wait4pid, Pptr, Wait4optname },
703: [SYS_chdir] = { Ppath },
704: [SYS_fchdir] = { Pfd },
705: [SYS_mknod] = { Ppath, Modename, Pdev_t },
706: [SYS_chmod] = { Ppath, Modename },
707: [SYS_chown] = { Ppath, Puid_t, Pgid_t },
708: [SYS_break] = { Pptr },
709: [SYS_getrusage] = { Rusagewho, Pptr },
710: [SYS_mount] = { Pptr, Ppath, Mountflagsname, Pptr },
711: [SYS_unmount] = { Ppath, Mountflagsname },
712: [SYS_setuid] = { Puid_t },
713: [SYS_ptrace] = { Ptracedecode, Ppid_t, Pptr, Pdecint },
714: [SYS_recvmsg] = { Pfd, Pptr, Sendrecvflagsname },
715: [SYS_sendmsg] = { Pfd, Pptr, Sendrecvflagsname },
716: [SYS_recvfrom] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
717: [SYS_accept] = { Pfd, Pptr, Pptr },
718: [SYS_getpeername] = { Pfd, Pptr, Pptr },
719: [SYS_getsockname] = { Pfd, Pptr, Pptr },
720: [SYS_access] = { Ppath, Accessmodename },
721: [SYS_chflags] = { Ppath, Chflagsname },
722: [SYS_fchflags] = { Pfd, Chflagsname },
723: [SYS_kill] = { Ppgid, Signame },
724: [SYS_stat] = { Ppath, Pptr },
725: [SYS_lstat] = { Ppath, Pptr },
726: [SYS_dup] = { Pfd },
727: [SYS_fstatat] = { Atfd, Ppath, Pptr, Atflagsname },
728: [SYS_profil] = { Pptr, Pbigsize, Pbigsize, Pdecuint },
729: [SYS_ktrace] = { Ppath, Ktraceopname, Ktracefacname, Ppgid },
730: [SYS_sigaction] = { Signame, Pptr, Pptr },
731: [SYS_sigprocmask] = { Sigprocmaskhowname, Sigset },
732: [SYS_getlogin] = { Pptr, Pucount },
733: [SYS_setlogin] = { Pptr },
734: [SYS_acct] = { Ppath },
735: [SYS_fstat] = { Pfd, Pptr },
736: [SYS_ioctl] = { Pfd, Ioctldecode, Pptr },
737: [SYS_reboot] = { Rebootoptname },
738: [SYS_revoke] = { Ppath },
739: [SYS_symlink] = { Ppath, Ppath },
740: [SYS_readlink] = { Ppath, Pptr, Psize },
741: [SYS_execve] = { Ppath, Pptr, Pptr },
742: [SYS_umask] = { Modename },
743: [SYS_chroot] = { Ppath },
744: [SYS_getfsstat] = { Pptr, Pbigsize, Mountflagsname },
745: [SYS_statfs] = { Ppath, Pptr },
746: [SYS_fstatfs] = { Pfd, Pptr },
747: [SYS_fhstatfs] = { Pptr, Pptr },
748: [SYS_gettimeofday] = { Pptr, Pptr },
749: [SYS_settimeofday] = { Pptr, Pptr },
750: [SYS_setitimer] = { Itimername, Pptr, Pptr },
751: [SYS_getitimer] = { Itimername, Pptr },
752: [SYS_select] = { Pcount, Pptr, Pptr, Pptr, Pptr },
753: [SYS_kevent] = { Pfd, Pptr, Pcount, Pptr, Pcount, Pptr },
754: [SYS_munmap] = { Pptr, Pbigsize },
755: [SYS_mprotect] = { Pptr, Pbigsize, Mmapprotname },
756: [SYS_madvise] = { Pptr, Pbigsize, Madvisebehavname },
757: [SYS_utimes] = { Ppath, Pptr },
758: [SYS_futimes] = { Pfd, Pptr },
759: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
760: [SYS_getgroups] = { Pcount, Pptr },
761: [SYS_setgroups] = { Pcount, Pptr },
762: [SYS_setpgid] = { Ppid_t, Ppid_t },
763: [SYS_sendsyslog] = { Pptr, Psize },
764: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
765: [SYS_futimens] = { Pfd, Pptr },
766: [SYS_clock_gettime] = { Clockname, Pptr },
767: [SYS_clock_settime] = { Clockname, Pptr },
768: [SYS_clock_getres] = { Clockname, Pptr },
769: [SYS_dup2] = { Pfd, Pfd },
770: [SYS_nanosleep] = { Pptr, Pptr },
771: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
772: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
773: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
774: [SYS_fsync] = { Pfd },
775: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
776: [SYS_socket] = { Sockdomainname, Socktypename, Sockprotoname },
777: [SYS_connect] = { Pfd, Pptr, Pucount },
778: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
779: [SYS_getpriority] = { Prioname, Ppid_t },
780: [SYS_pipe2] = { Pptr, Flagsname },
781: [SYS_dup3] = { Pfd, Pfd, Flagsname },
782: [SYS_sigreturn] = { Pptr },
783: [SYS_bind] = { Pfd, Pptr, Pucount },
784: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
785: [SYS_listen] = { Pfd, Pdecint },
786: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
787: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
788: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
789: [SYS_sigsuspend] = { Sigset },
790: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
791: [SYS_readv] = { Pfd, Pptr, Pcount },
792: [SYS_writev] = { Pfd, Pptr, Pcount },
793: [SYS_fchown] = { Pfd, Puid_t, Pgid_t },
794: [SYS_fchmod] = { Pfd, Modename },
795: [SYS_setreuid] = { Puid_t, Puid_t },
796: [SYS_setregid] = { Pgid_t, Pgid_t },
797: [SYS_rename] = { Ppath, Ppath },
798: [SYS_flock] = { Pfd, Flockname },
799: [SYS_mkfifo] = { Ppath, Modename },
800: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
801: [SYS_shutdown] = { Pfd, Shutdownhowname },
802: [SYS_socketpair] = { Sockdomainname, Socktypename, Sockprotoname, Pptr },
803: [SYS_mkdir] = { Ppath, Modename },
804: [SYS_rmdir] = { Ppath },
805: [SYS_adjtime] = { Pptr, Pptr },
806: [SYS_quotactl] = { Ppath, Quotactlname, Puid_t, Pptr },
807: [SYS_nfssvc] = { Phexint, Pptr },
808: [SYS_getfh] = { Ppath, Pptr },
809: [SYS_sysarch] = { Pdecint, Pptr },
810: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
811: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
812: [SYS_setgid] = { Pgid_t },
813: [SYS_setegid] = { Pgid_t },
814: [SYS_seteuid] = { Puid_t },
815: [SYS_pathconf] = { Ppath, Pathconfname },
816: [SYS_fpathconf] = { Pfd, Pathconfname },
817: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
818: [SYS_getrlimit] = { Rlimitname, Pptr },
819: [SYS_setrlimit] = { Rlimitname, Pptr },
820: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
821: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
822: [SYS_truncate] = { Ppath, PAD, Poff_t },
823: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
824: /* [SYS___sysctl] = { }, Magic */
825: [SYS_mlock] = { Pptr, Pbigsize },
826: [SYS_munlock] = { Pptr, Pbigsize },
827: [SYS_getpgid] = { Ppid_t },
828: [SYS_utrace] = { Pptr, Pptr, Psize },
829: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
830: [SYS_msgget] = { Pkey_t, Msgflgname },
831: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
832: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
833: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
834: [SYS_shmdt] = { Pptr },
835: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
836: [SYS_poll] = { Pptr, Pucount, Polltimeout },
837: [SYS_lchown] = { Ppath, Puid_t, Pgid_t },
838: [SYS_getsid] = { Ppid_t },
839: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
840: [SYS_pipe] = { Pptr },
841: [SYS_fhopen] = { Pptr, Openflagsname },
842: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
843: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
844: [SYS_mlockall] = { Mlockallname },
845: [SYS_getresuid] = { Pptr, Pptr, Pptr },
846: [SYS_setresuid] = { Puid_t, Puid_t, Puid_t },
847: [SYS_getresgid] = { Pptr, Pptr, Pptr },
848: [SYS_setresgid] = { Pgid_t, Pgid_t, Pgid_t },
849: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
850: [SYS_closefrom] = { Pfd },
851: [SYS_sigaltstack] = { Pptr, Pptr },
852: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
853: [SYS_semop] = { Psemid, Pptr, Psize },
854: [SYS_fhstat] = { Pptr, Pptr },
855: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
856: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
857: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
858: [SYS___thrwakeup] = { Pptr, Pcount },
859: [SYS___threxit] = { Pptr },
860: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
861: [SYS___getcwd] = { Pptr, Psize },
862: [SYS_adjfreq] = { Pptr, Pptr },
863: [SYS_setrtable] = { Pdecint },
864: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
865: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
866: [SYS_fchownat] = { Atfd, Ppath, Puid_t, Pgid_t, Atflagsname },
867: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
868: [SYS_mkdirat] = { Atfd, Ppath, Modename },
869: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
870: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
871: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
872: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
873: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
874: [SYS_symlinkat] = { Atfd, Ppath, Ppath },
875: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
876: [SYS___set_tcb] = { Pptr },
877: };
878:
1.51 otto 879:
1.12 espie 880: static void
1.93 ! jsg 881: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 882: {
1.92 guenther 883: register_t *ap;
884: int narg;
885: char sep;
886:
1.93 ! jsg 887: if (ktr->ktr_argsize > ktrlen)
! 888: errx(1, "syscall argument length %d > ktr header length %zu",
! 889: ktr->ktr_argsize, ktrlen);
! 890:
1.52 otto 891: narg = ktr->ktr_argsize / sizeof(register_t);
892: sep = '\0';
1.1 deraadt 893:
894: if (ktr->ktr_code >= current->nsysnames || ktr->ktr_code < 0)
895: (void)printf("[%d]", ktr->ktr_code);
896: else
897: (void)printf("%s", current->sysnames[ktr->ktr_code]);
898: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 899: (void)putchar('(');
1.52 otto 900:
1.54 otto 901: if (current != &emulations[0])
902: goto nonnative;
903:
1.92 guenther 904: if (ktr->ktr_code == SYS___sysctl) {
1.62 otto 905: const char *s;
906: int *np, n, i, *top;
1.52 otto 907:
908: if (!fancy)
1.92 guenther 909: goto nonnative;
1.52 otto 910: n = ap[1];
911: if (n > CTL_MAXNAME)
912: n = CTL_MAXNAME;
1.93 ! jsg 913: if (n < 0)
! 914: errx(1, "invalid sysctl length %d", n);
1.62 otto 915: np = top = (int *)(ap + 6);
916: for (i = 0; n--; np++, i++) {
1.52 otto 917: if (sep)
918: putchar(sep);
1.62 otto 919: if (resolv && (s = kresolvsysctl(i, top, *np)) != NULL)
920: printf("%s", s);
921: else
922: printf("%d", *np);
1.52 otto 923: sep = '.';
1.1 deraadt 924: }
1.52 otto 925:
926: sep = ',';
927: ap += 2;
928: narg -= 2;
1.92 guenther 929: } else if (ktr->ktr_code < nitems(scargs)) {
930: const formatter *fmts = scargs[ktr->ktr_code];
931: int fmt;
1.52 otto 932:
1.92 guenther 933: while (narg && (fmt = *fmts) != 0) {
934: if (sep)
935: putchar(sep);
936: sep = ',';
937: if (!fancy && !FMT_IS_NONFANCY(fmt))
938: fmt = Pnonfancy;
939: if (fmt > 0)
940: formatters[fmt]((int)*ap);
941: else if (long_formatters[-fmt](*ap))
942: sep = '\0';
943: fmts++;
944: ap++;
945: narg--;
946: }
1.52 otto 947: }
948:
1.54 otto 949: nonnative:
1.93 ! jsg 950: while (narg > 0) {
1.52 otto 951: if (sep)
952: putchar(sep);
953: if (decimal)
954: (void)printf("%ld", (long)*ap);
955: else
956: (void)printf("%#lx", (long)*ap);
957: sep = ',';
958: ap++;
959: narg--;
1.1 deraadt 960: }
1.27 mickey 961: (void)printf(")\n");
1.62 otto 962: }
963:
964: static struct ctlname topname[] = CTL_NAMES;
965: static struct ctlname kernname[] = CTL_KERN_NAMES;
966: static struct ctlname vmname[] = CTL_VM_NAMES;
967: static struct ctlname fsname[] = CTL_FS_NAMES;
968: static struct ctlname netname[] = CTL_NET_NAMES;
969: static struct ctlname hwname[] = CTL_HW_NAMES;
970: static struct ctlname debugname[CTL_DEBUG_MAXID];
971: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
972: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
973: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 974: static struct ctlname kernprocname[] = {
1.64 guenther 975: { NULL },
976: { "all" },
977: { "pid" },
978: { "pgrp" },
979: { "session" },
980: { "tty" },
981: { "uid" },
982: { "ruid" },
1.77 guenther 983: { "kthread" },
1.64 guenther 984: };
1.62 otto 985: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
986: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
987: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
988: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
989: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
990: #ifdef CTL_MACHDEP_NAMES
991: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
992: #endif
993: static struct ctlname ddbname[] = CTL_DDB_NAMES;
994:
995: #ifndef nitems
996: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
997: #endif
998:
999: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
1000:
1001: static const char *
1002: kresolvsysctl(int depth, int *top, int idx)
1003: {
1004: struct ctlname *names;
1005: size_t limit;
1006:
1007: names = NULL;
1008:
1009: switch (depth) {
1010: case 0:
1011: SETNAME(topname);
1012: break;
1013: case 1:
1014: switch (top[0]) {
1015: case CTL_KERN:
1016: SETNAME(kernname);
1017: break;
1018: case CTL_VM:
1019: SETNAME(vmname);
1020: break;
1021: case CTL_FS:
1022: SETNAME(fsname);
1023: break;
1024: case CTL_NET:
1025: SETNAME(netname);
1026: break;
1027: case CTL_DEBUG:
1028: SETNAME(debugname);
1029: break;
1030: case CTL_HW:
1031: SETNAME(hwname);
1032: break;
1033: #ifdef CTL_MACHDEP_NAMES
1034: case CTL_MACHDEP:
1035: SETNAME(machdepname);
1036: break;
1037: #endif
1038: case CTL_DDB:
1039: SETNAME(ddbname);
1040: break;
1041: }
1042: break;
1043: case 2:
1044: switch (top[0]) {
1045: case CTL_KERN:
1046: switch (top[1]) {
1047: case KERN_MALLOCSTATS:
1048: SETNAME(kernmallocname);
1049: break;
1050: case KERN_FORKSTAT:
1051: SETNAME(forkstatname);
1052: break;
1053: case KERN_NCHSTATS:
1054: SETNAME(nchstatsname);
1055: break;
1056: case KERN_TTY:
1057: SETNAME(ttysname);
1058: break;
1059: case KERN_SEMINFO:
1060: SETNAME(semname);
1061: break;
1062: case KERN_SHMINFO:
1063: SETNAME(shmname);
1064: break;
1065: case KERN_WATCHDOG:
1066: SETNAME(watchdogname);
1067: break;
1.64 guenther 1068: case KERN_PROC:
1069: idx++; /* zero is valid at this level */
1070: SETNAME(kernprocname);
1071: break;
1.62 otto 1072: case KERN_TIMECOUNTER:
1073: SETNAME(tcname);
1074: break;
1075: }
1076: }
1077: break;
1078: }
1079: if (names != NULL && idx > 0 && idx < limit)
1080: return (names[idx].ctl_name);
1081: return (NULL);
1.1 deraadt 1082: }
1083:
1.12 espie 1084: static void
1.17 deraadt 1085: ktrsysret(struct ktr_sysret *ktr)
1.1 deraadt 1086: {
1.50 deraadt 1087: register_t ret = ktr->ktr_retval;
1.12 espie 1088: int error = ktr->ktr_error;
1089: int code = ktr->ktr_code;
1.1 deraadt 1090:
1091: if (code >= current->nsysnames || code < 0)
1092: (void)printf("[%d] ", code);
1.59 otto 1093: else {
1.1 deraadt 1094: (void)printf("%s ", current->sysnames[code]);
1.59 otto 1095: if (ret > 0 && (strcmp(current->sysnames[code], "fork") == 0 ||
1096: strcmp(current->sysnames[code], "vfork") == 0 ||
1.64 guenther 1097: strcmp(current->sysnames[code], "__tfork") == 0 ||
1.59 otto 1098: strcmp(current->sysnames[code], "clone") == 0))
1099: mappidtoemul(ret, current);
1100: }
1.1 deraadt 1101:
1102: if (error == 0) {
1103: if (fancy) {
1.64 guenther 1104: switch (current == &emulations[0] ? code : -1) {
1105: case SYS_sigprocmask:
1.73 guenther 1106: case SYS_sigpending:
1.64 guenther 1107: sigset(ret);
1108: break;
1109: case SYS___thrsigdivert:
1110: signame(ret);
1111: break;
1112: case -1: /* non-default emulation */
1113: default:
1114: (void)printf("%ld", (long)ret);
1115: if (ret < 0 || ret > 9)
1116: (void)printf("/%#lx", (long)ret);
1117: }
1.1 deraadt 1118: } else {
1119: if (decimal)
1.50 deraadt 1120: (void)printf("%ld", (long)ret);
1.1 deraadt 1121: else
1.50 deraadt 1122: (void)printf("%#lx", (long)ret);
1.1 deraadt 1123: }
1124: } else if (error == ERESTART)
1125: (void)printf("RESTART");
1126: else if (error == EJUSTRETURN)
1127: (void)printf("JUSTRETURN");
1128: else {
1129: (void)printf("-1 errno %d", ktr->ktr_error);
1130: if (fancy)
1131: (void)printf(" %s", strerror(ktr->ktr_error));
1132: }
1133: (void)putchar('\n');
1134: }
1135:
1.12 espie 1136: static void
1.37 tedu 1137: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1138: {
1.37 tedu 1139: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1140: }
1141:
1.12 espie 1142: static void
1.37 tedu 1143: ktremul(char *cp, size_t len)
1.1 deraadt 1144: {
1145: char name[1024];
1146:
1147: if (len >= sizeof(name))
1148: errx(1, "Emulation name too long");
1149:
1150: strncpy(name, cp, len);
1151: name[len] = '\0';
1152: (void)printf("\"%s\"\n", name);
1153:
1154: setemul(name);
1155: }
1156:
1.12 espie 1157: static void
1.81 miod 1158: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1159: {
1.37 tedu 1160: int i, j;
1.81 miod 1161: static int screenwidth;
1.31 tedu 1162: int col = 0, width, bpl;
1.32 tedu 1163: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1164:
1165: if (screenwidth == 0) {
1166: struct winsize ws;
1167:
1168: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1169: ws.ws_col > 8)
1170: screenwidth = ws.ws_col;
1171: else
1172: screenwidth = 80;
1173: }
1.31 tedu 1174: if (iohex == 1) {
1175: putchar('\t');
1176: col = 8;
1177: for (i = 0; i < datalen; i++) {
1.35 tedu 1178: printf("%02x", dp[i]);
1.31 tedu 1179: col += 3;
1180: if (i < datalen - 1) {
1181: if (col + 3 > screenwidth) {
1182: printf("\n\t");
1183: col = 8;
1184: } else
1185: putchar(' ');
1186: }
1187: }
1188: putchar('\n');
1189: return;
1190: }
1191: if (iohex == 2) {
1192: bpl = (screenwidth - 13)/4;
1193: if (bpl <= 0)
1194: bpl = 1;
1195: for (i = 0; i < datalen; i += bpl) {
1196: printf(" %04x: ", i);
1197: for (j = 0; j < bpl; j++) {
1198: if (i+j >= datalen)
1199: printf(" ");
1200: else
1.35 tedu 1201: printf("%02x ", dp[i+j]);
1.31 tedu 1202: }
1203: putchar(' ');
1204: for (j = 0; j < bpl; j++) {
1205: if (i+j >= datalen)
1206: break;
1207: c = dp[i+j];
1208: if (!isprint(c))
1209: c = '.';
1210: putchar(c);
1211: }
1212: putchar('\n');
1213: }
1214: return;
1215: }
1.1 deraadt 1216: (void)printf(" \"");
1217: col = 8;
1218: for (; datalen > 0; datalen--, dp++) {
1.31 tedu 1219: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1.1 deraadt 1220: cp = visbuf;
1.17 deraadt 1221:
1.1 deraadt 1222: /*
1223: * Keep track of printables and
1224: * space chars (like fold(1)).
1225: */
1226: if (col == 0) {
1227: (void)putchar('\t');
1228: col = 8;
1229: }
1.17 deraadt 1230: switch (*cp) {
1.1 deraadt 1231: case '\n':
1232: col = 0;
1233: (void)putchar('\n');
1234: continue;
1235: case '\t':
1236: width = 8 - (col&07);
1237: break;
1238: default:
1239: width = strlen(cp);
1240: }
1241: if (col + width > (screenwidth-2)) {
1242: (void)printf("\\\n\t");
1243: col = 8;
1244: }
1245: col += width;
1246: do {
1247: (void)putchar(*cp++);
1248: } while (*cp);
1249: }
1250: if (col == 0)
1251: (void)printf(" ");
1252: (void)printf("\"\n");
1253: }
1254:
1.12 espie 1255: static void
1.81 miod 1256: ktrgenio(struct ktr_genio *ktr, size_t len)
1257: {
1258: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 ! jsg 1259: size_t datalen;
! 1260:
! 1261: if (len < sizeof(struct ktr_genio))
! 1262: errx(1, "invalid ktr genio length %zu", len);
! 1263:
! 1264: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1265:
1266: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1267: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1268: if (maxdata == 0)
1269: return;
1270: if (datalen > maxdata)
1271: datalen = maxdata;
1272: if (iohex && !datalen)
1273: return;
1274: showbuf(dp, datalen);
1275: }
1276:
1277: static void
1.17 deraadt 1278: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1279: {
1.93 ! jsg 1280: signame(psig->signo);
1.1 deraadt 1281: if (psig->action == SIG_DFL)
1.63 deraadt 1282: (void)printf("SIG_DFL");
1.64 guenther 1283: else {
1284: (void)printf("caught handler=0x%lx mask=",
1285: (u_long)psig->action);
1286: sigset(psig->mask);
1287: }
1.63 deraadt 1288: if (psig->code) {
1289: printf(" code ");
1290: if (fancy) {
1291: switch (psig->signo) {
1292: case SIGILL:
1293: sigill_name(psig->code);
1294: break;
1295: case SIGTRAP:
1296: sigtrap_name(psig->code);
1297: break;
1298: case SIGEMT:
1299: sigemt_name(psig->code);
1300: break;
1301: case SIGFPE:
1302: sigfpe_name(psig->code);
1303: break;
1304: case SIGBUS:
1305: sigbus_name(psig->code);
1306: break;
1307: case SIGSEGV:
1308: sigsegv_name(psig->code);
1309: break;
1310: case SIGCHLD:
1311: sigchld_name(psig->code);
1312: break;
1313: }
1314: }
1315: printf("<%d>", psig->code);
1316: }
1317:
1.14 deraadt 1318: switch (psig->signo) {
1319: case SIGSEGV:
1320: case SIGILL:
1321: case SIGBUS:
1322: case SIGFPE:
1323: printf(" addr=%p trapno=%d", psig->si.si_addr,
1324: psig->si.si_trapno);
1325: break;
1326: default:
1327: break;
1328: }
1329: printf("\n");
1.1 deraadt 1330: }
1331:
1.12 espie 1332: static void
1.17 deraadt 1333: ktrcsw(struct ktr_csw *cs)
1.1 deraadt 1334: {
1335: (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1336: cs->user ? "user" : "kernel");
1337: }
1338:
1.64 guenther 1339: static void
1.81 miod 1340: ktruser(struct ktr_user *usr, size_t len)
1341: {
1.93 ! jsg 1342: if (len < sizeof(struct ktr_user))
! 1343: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1344: len -= sizeof(struct ktr_user);
1345: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1346: printf(" %zu bytes\n", len);
1347: showbuf((unsigned char *)(usr + 1), len);
1348: }
1349:
1350: static void
1.17 deraadt 1351: usage(void)
1.1 deraadt 1352: {
1353:
1.19 mickey 1354: extern char *__progname;
1355: fprintf(stderr, "usage: %s "
1.68 jmc 1356: "[-dHlnRrTXx] [-e emulation] [-f file] [-m maxdata] [-p pid]\n"
1.81 miod 1357: "%*s[-t [ceinstuw]]\n",
1.51 otto 1358: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1359: exit(1);
1360: }
1361:
1.12 espie 1362: static void
1.17 deraadt 1363: setemul(const char *name)
1.1 deraadt 1364: {
1365: int i;
1.17 deraadt 1366:
1.1 deraadt 1367: for (i = 0; emulations[i].name != NULL; i++)
1368: if (strcmp(emulations[i].name, name) == 0) {
1369: current = &emulations[i];
1370: return;
1371: }
1372: warnx("Emulation `%s' unknown", name);
1.61 matthew 1373: }
1374:
1.92 guenther 1375: /*
1376: * FORMATTERS
1377: */
1378:
1379: static void
1380: ioctldecode(int cmd)
1381: {
1382: char dirbuf[4], *dir = dirbuf;
1383: const char *cp;
1384:
1385: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1386: (void)printf("%s", cp);
1387: return;
1388: }
1389:
1390: if (cmd & IOC_IN)
1391: *dir++ = 'W';
1392: if (cmd & IOC_OUT)
1393: *dir++ = 'R';
1394: *dir = '\0';
1395:
1396: printf("_IO%s('%c',%lu",
1397: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1398: if ((cmd & IOC_VOID) == 0)
1399: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1400: else
1401: printf(")");
1402: }
1403:
1404: static void
1405: ptracedecode(int request)
1406: {
1407: if (request >= 0 && request < nitems(ptrace_ops))
1408: (void)printf("%s", ptrace_ops[request]);
1409: else switch(request) {
1410: #ifdef PT_GETFPREGS
1411: case PT_GETFPREGS:
1412: (void)printf("PT_GETFPREGS");
1413: break;
1414: #endif
1415: case PT_GETREGS:
1416: (void)printf("PT_GETREGS");
1417: break;
1418: #ifdef PT_GETXMMREGS
1419: case PT_GETXMMREGS:
1420: (void)printf("PT_GETXMMREGS");
1421: break;
1422: #endif
1423: #ifdef PT_SETFPREGS
1424: case PT_SETFPREGS:
1425: (void)printf("PT_SETFPREGS");
1426: break;
1427: #endif
1428: case PT_SETREGS:
1429: (void)printf("PT_SETREGS");
1430: break;
1431: #ifdef PT_SETXMMREGS
1432: case PT_SETXMMREGS:
1433: (void)printf("PT_SETXMMREGS");
1434: break;
1435: #endif
1436: #ifdef PT_STEP
1437: case PT_STEP:
1438: (void)printf("PT_STEP");
1439: break;
1440: #endif
1441: #ifdef PT_WCOOKIE
1442: case PT_WCOOKIE:
1443: (void)printf("PT_WCOOKIE");
1444: break;
1445: #endif
1446: default:
1447: pdecint(request);
1448: }
1449: }
1450:
1451:
1.61 matthew 1452: static void
1453: atfd(int fd)
1454: {
1455: if (fd == AT_FDCWD)
1456: (void)printf("AT_FDCWD");
1457: else
1.92 guenther 1458: pdecint(fd);
1.77 guenther 1459: }
1460:
1461: static void
1462: polltimeout(int timeout)
1463: {
1464: if (timeout == INFTIM)
1465: (void)printf("INFTIM");
1466: else
1.92 guenther 1467: pdecint(timeout);
1.82 guenther 1468: }
1469:
1470: static void
1471: wait4pid(int pid)
1472: {
1473: if (pid == WAIT_ANY)
1474: (void)printf("WAIT_ANY");
1475: else if (pid == WAIT_MYPGRP)
1476: (void)printf("WAIT_MYPGRP");
1477: else
1.92 guenther 1478: pdecint(pid); /* ppgid */
1.1 deraadt 1479: }
1.83 guenther 1480:
1481: static void
1482: signame(int sig)
1483: {
1484: if (sig > 0 && sig < NSIG)
1485: (void)printf("SIG%s", sys_signame[sig]);
1486: else
1487: (void)printf("SIG %d", sig);
1488: }
1489:
1.84 guenther 1490: void
1.83 guenther 1491: sigset(int ss)
1492: {
1493: int or = 0;
1494: int cnt = 0;
1495: int i;
1496:
1497: for (i = 1; i < NSIG; i++)
1498: if (sigismember(&ss, i))
1499: cnt++;
1500: if (cnt > (NSIG-1)/2) {
1501: ss = ~ss;
1502: putchar('~');
1503: }
1504:
1505: if (ss == 0) {
1506: (void)printf("0<>");
1507: return;
1508: }
1509:
1510: printf("%#x<", ss);
1511: for (i = 1; i < NSIG; i++)
1512: if (sigismember(&ss, i)) {
1513: if (or) putchar('|'); else or=1;
1514: signame(i);
1515: }
1516: printf(">");
1517: }
1518:
1519: static void
1520: semctlname(int cmd)
1521: {
1522: switch (cmd) {
1523: case GETNCNT:
1524: (void)printf("GETNCNT");
1525: break;
1526: case GETPID:
1527: (void)printf("GETPID");
1528: break;
1529: case GETVAL:
1530: (void)printf("GETVAL");
1531: break;
1532: case GETALL:
1533: (void)printf("GETALL");
1534: break;
1535: case GETZCNT:
1536: (void)printf("GETZCNT");
1537: break;
1538: case SETVAL:
1539: (void)printf("SETVAL");
1540: break;
1541: case SETALL:
1542: (void)printf("SETALL");
1543: break;
1544: case IPC_RMID:
1545: (void)printf("IPC_RMID");
1546: break;
1547: case IPC_SET:
1548: (void)printf("IPC_SET");
1549: break;
1550: case IPC_STAT:
1551: (void)printf("IPC_STAT");
1552: break;
1553: default: /* Should not reach */
1.92 guenther 1554: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1555: }
1556: }
1557:
1558: static void
1.88 guenther 1559: shmctlname(int cmd)
1560: {
1.83 guenther 1561: switch (cmd) {
1562: case IPC_RMID:
1563: (void)printf("IPC_RMID");
1564: break;
1565: case IPC_SET:
1566: (void)printf("IPC_SET");
1567: break;
1568: case IPC_STAT:
1569: (void)printf("IPC_STAT");
1570: break;
1571: default: /* Should not reach */
1.92 guenther 1572: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1573: }
1574: }
1575:
1576:
1577: static void
1.88 guenther 1578: semgetname(int flag)
1579: {
1.83 guenther 1580: int or = 0;
1581: if_print_or(flag, IPC_CREAT, or);
1582: if_print_or(flag, IPC_EXCL, or);
1583: if_print_or(flag, SEM_R, or);
1584: if_print_or(flag, SEM_A, or);
1585: if_print_or(flag, (SEM_R>>3), or);
1586: if_print_or(flag, (SEM_A>>3), or);
1587: if_print_or(flag, (SEM_R>>6), or);
1588: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1589:
1590: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1591: ((SEM_R|SEM_A)>>6)))
1592: printf("<invalid=%#x>", flag);
1.83 guenther 1593: }
1594:
1595:
1596: /*
1.92 guenther 1597: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1598: * mode argument is unused (and often bogus and misleading).
1599: */
1600: static void
1.92 guenther 1601: flagsandmodename(int mode)
1.88 guenther 1602: {
1.92 guenther 1603: openflagsname(arg1);
1604: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1605: (void)putchar(',');
1.92 guenther 1606: modename(mode);
1607: } else if (!fancy)
1608: (void)printf(",<unused>%#o", mode);
1.83 guenther 1609: }
1610:
1611: static void
1612: clockname(int clockid)
1613: {
1614: clocktypename(__CLOCK_TYPE(clockid));
1615: if (__CLOCK_PTID(clockid) != 0)
1616: printf("(%d)", __CLOCK_PTID(clockid));
1617: }
1618:
1619: /*
1620: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1621: * referring to a line in /etc/protocols . It might be appropriate
1622: * to use getprotoent(3) here.
1623: */
1624: static void
1625: sockoptlevelname(int level)
1626: {
1.92 guenther 1627: if (level == SOL_SOCKET)
1.83 guenther 1628: (void)printf("SOL_SOCKET");
1.92 guenther 1629: else
1630: pdecint(level);
1.83 guenther 1631: }
1632:
1.88 guenther 1633: static void
1634: ktraceopname(int ops)
1635: {
1636: int invalid = 0;
1637:
1638: printf("%#x<", ops);
1639: switch (KTROP(ops)) {
1640: case KTROP_SET:
1641: printf("KTROP_SET");
1642: break;
1643: case KTROP_CLEAR:
1644: printf("KTROP_CLEAR");
1645: break;
1646: case KTROP_CLEARFILE:
1647: printf("KTROP_CLEARFILE");
1648: break;
1649: default:
1650: printf("KTROP(%d)", KTROP(ops));
1651: invalid = 1;
1652: break;
1653: }
1.92 guenther 1654: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1655: printf(">");
1656: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1657: (void)printf("<invalid>%d", ops);
1.88 guenther 1658: }