Annotation of src/usr.bin/kdump/kdump.c, Revision 1.123
1.123 ! guenther 1: /* $OpenBSD: kdump.c,v 1.122 2016/03/06 20:25:27 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 },
722: [SYS_mincore] = { Pptr, Pbigsize, Pptr },
723: [SYS_getgroups] = { Pcount, Pptr },
724: [SYS_setgroups] = { Pcount, Pptr },
725: [SYS_setpgid] = { Ppid_t, Ppid_t },
726: [SYS_sendsyslog] = { Pptr, Psize },
727: [SYS_utimensat] = { Atfd, Ppath, Pptr, Atflagsname },
728: [SYS_futimens] = { Pfd, Pptr },
729: [SYS_clock_gettime] = { Clockname, Pptr },
730: [SYS_clock_settime] = { Clockname, Pptr },
731: [SYS_clock_getres] = { Clockname, Pptr },
732: [SYS_dup2] = { Pfd, Pfd },
733: [SYS_nanosleep] = { Pptr, Pptr },
734: [SYS_fcntl] = { Pfd, PASS_TWO, Fcntlcmdname },
735: [SYS_accept4] = { Pfd, Pptr, Pptr, Sockflagsname },
736: [SYS___thrsleep] = { Pptr, Clockname, Pptr, Pptr, Pptr },
737: [SYS_fsync] = { Pfd },
738: [SYS_setpriority] = { Prioname, Ppid_t, Pdecint },
1.99 guenther 739: [SYS_socket] = { Sockfamilyname, Socktypename, Sockprotoname },
1.92 guenther 740: [SYS_connect] = { Pfd, Pptr, Pucount },
741: [SYS_getdents] = { Pfd, Pptr, Pbigsize },
742: [SYS_getpriority] = { Prioname, Ppid_t },
743: [SYS_pipe2] = { Pptr, Flagsname },
744: [SYS_dup3] = { Pfd, Pfd, Flagsname },
745: [SYS_sigreturn] = { Pptr },
746: [SYS_bind] = { Pfd, Pptr, Pucount },
747: [SYS_setsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pdecint },
748: [SYS_listen] = { Pfd, Pdecint },
749: [SYS_chflagsat] = { Atfd, Ppath, Chflagsname, Atflagsname },
750: [SYS_ppoll] = { Pptr, Pucount, Pptr, Pptr },
751: [SYS_pselect] = { Pcount, Pptr, Pptr, Pptr, Pptr, Pptr },
752: [SYS_sigsuspend] = { Sigset },
753: [SYS_getsockopt] = { Pfd, PASS_TWO, Sockoptlevelname, Pptr, Pptr },
1.120 guenther 754: [SYS_thrkill] = { Ppid_t, Signame, Pptr },
1.92 guenther 755: [SYS_readv] = { Pfd, Pptr, Pcount },
756: [SYS_writev] = { Pfd, Pptr, Pcount },
1.94 guenther 757: [SYS_fchown] = { Pfd, Uidname, Gidname },
1.92 guenther 758: [SYS_fchmod] = { Pfd, Modename },
1.94 guenther 759: [SYS_setreuid] = { Uidname, Uidname },
760: [SYS_setregid] = { Gidname, Gidname },
1.92 guenther 761: [SYS_rename] = { Ppath, Ppath },
762: [SYS_flock] = { Pfd, Flockname },
763: [SYS_mkfifo] = { Ppath, Modename },
764: [SYS_sendto] = { Pfd, Pptr, Pbigsize, Sendrecvflagsname },
765: [SYS_shutdown] = { Pfd, Shutdownhowname },
1.99 guenther 766: [SYS_socketpair] = { Sockfamilyname, Socktypename, Sockprotoname, Pptr },
1.92 guenther 767: [SYS_mkdir] = { Ppath, Modename },
768: [SYS_rmdir] = { Ppath },
769: [SYS_adjtime] = { Pptr, Pptr },
1.94 guenther 770: [SYS_quotactl] = { Ppath, Quotactlname, Uidname, Pptr },
1.92 guenther 771: [SYS_nfssvc] = { Phexint, Pptr },
772: [SYS_getfh] = { Ppath, Pptr },
773: [SYS_sysarch] = { Pdecint, Pptr },
774: [SYS_pread] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
775: [SYS_pwrite] = { Pfd, Pptr, Pbigsize, PAD, Poff_t },
1.94 guenther 776: [SYS_setgid] = { Gidname },
777: [SYS_setegid] = { Gidname },
778: [SYS_seteuid] = { Uidname },
1.92 guenther 779: [SYS_pathconf] = { Ppath, Pathconfname },
780: [SYS_fpathconf] = { Pfd, Pathconfname },
781: [SYS_swapctl] = { Swapctlname, Pptr, Pdecint },
782: [SYS_getrlimit] = { Rlimitname, Pptr },
783: [SYS_setrlimit] = { Rlimitname, Pptr },
784: [SYS_mmap] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
785: [SYS_lseek] = { Pfd, PAD, Poff_t, Whencename },
786: [SYS_truncate] = { Ppath, PAD, Poff_t },
787: [SYS_ftruncate] = { Pfd, PAD, Poff_t },
1.122 guenther 788: [SYS_sysctl] = { Pptr, Pcount, Pptr, Pptr, Pptr, Psize },
1.92 guenther 789: [SYS_mlock] = { Pptr, Pbigsize },
790: [SYS_munlock] = { Pptr, Pbigsize },
791: [SYS_getpgid] = { Ppid_t },
792: [SYS_utrace] = { Pptr, Pptr, Psize },
793: [SYS_semget] = { Pkey_t, Pcount, Semgetname },
794: [SYS_msgget] = { Pkey_t, Msgflgname },
795: [SYS_msgsnd] = { Pmsqid, Pptr, Psize, Msgflgname },
796: [SYS_msgrcv] = { Pmsqid, Pptr, Psize, Pdeclong, Msgflgname },
797: [SYS_shmat] = { Pshmid, Pptr, Shmatname },
798: [SYS_shmdt] = { Pptr },
799: [SYS_minherit] = { Pptr, Pbigsize, Minheritname },
800: [SYS_poll] = { Pptr, Pucount, Polltimeout },
1.94 guenther 801: [SYS_lchown] = { Ppath, Uidname, Gidname },
1.92 guenther 802: [SYS_getsid] = { Ppid_t },
803: [SYS_msync] = { Pptr, Pbigsize, Msyncflagsname },
804: [SYS_pipe] = { Pptr },
805: [SYS_fhopen] = { Pptr, Openflagsname },
806: [SYS_preadv] = { Pfd, Pptr, Pcount, PAD, Poff_t },
807: [SYS_pwritev] = { Pfd, Pptr, Pcount, PAD, Poff_t },
808: [SYS_mlockall] = { Mlockallname },
809: [SYS_getresuid] = { Pptr, Pptr, Pptr },
1.94 guenther 810: [SYS_setresuid] = { Uidname, Uidname, Uidname },
1.92 guenther 811: [SYS_getresgid] = { Pptr, Pptr, Pptr },
1.94 guenther 812: [SYS_setresgid] = { Gidname, Gidname, Gidname },
1.92 guenther 813: [SYS_mquery] = { Pptr, Pbigsize, Mmapprotname, Mmapflagsname, Pfd, PAD, Poff_t },
814: [SYS_closefrom] = { Pfd },
815: [SYS_sigaltstack] = { Pptr, Pptr },
816: [SYS_shmget] = { Pkey_t, Pbigsize, Semgetname },
817: [SYS_semop] = { Psemid, Pptr, Psize },
818: [SYS_fhstat] = { Pptr, Pptr },
819: [SYS___semctl] = { Psemid, Pcount, Semctlname, Pptr },
820: [SYS_shmctl] = { Pshmid, Shmctlname, Pptr },
821: [SYS_msgctl] = { Pmsqid, Shmctlname, Pptr },
822: [SYS___thrwakeup] = { Pptr, Pcount },
823: [SYS___threxit] = { Pptr },
824: [SYS___thrsigdivert] = { Sigset, Pptr, Pptr },
825: [SYS___getcwd] = { Pptr, Psize },
826: [SYS_adjfreq] = { Pptr, Pptr },
827: [SYS_setrtable] = { Pdecint },
828: [SYS_faccessat] = { Atfd, Ppath, Accessmodename, Atflagsname },
829: [SYS_fchmodat] = { Atfd, Ppath, Modename, Atflagsname },
1.94 guenther 830: [SYS_fchownat] = { Atfd, Ppath, Uidname, Gidname, Atflagsname },
1.92 guenther 831: [SYS_linkat] = { Atfd, Ppath, Atfd, Ppath, Atflagsname },
832: [SYS_mkdirat] = { Atfd, Ppath, Modename },
833: [SYS_mkfifoat] = { Atfd, Ppath, Modename },
834: [SYS_mknodat] = { Atfd, Ppath, Modename, Pdev_t },
835: [SYS_openat] = { Atfd, Ppath, PASS_TWO, Flagsandmodename },
836: [SYS_readlinkat] = { Atfd, Ppath, Pptr, Psize },
837: [SYS_renameat] = { Atfd, Ppath, Atfd, Ppath },
1.98 guenther 838: [SYS_symlinkat] = { Ppath, Atfd, Ppath },
1.92 guenther 839: [SYS_unlinkat] = { Atfd, Ppath, Atflagsname },
840: [SYS___set_tcb] = { Pptr },
841: };
842:
1.51 otto 843:
1.12 espie 844: static void
1.93 jsg 845: ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
1.1 deraadt 846: {
1.92 guenther 847: register_t *ap;
848: int narg;
849: char sep;
850:
1.93 jsg 851: if (ktr->ktr_argsize > ktrlen)
852: errx(1, "syscall argument length %d > ktr header length %zu",
853: ktr->ktr_argsize, ktrlen);
854:
1.52 otto 855: narg = ktr->ktr_argsize / sizeof(register_t);
856: sep = '\0';
1.1 deraadt 857:
1.122 guenther 858: if (ktr->ktr_code >= SYS_MAXSYSCALL || ktr->ktr_code < 0)
1.1 deraadt 859: (void)printf("[%d]", ktr->ktr_code);
860: else
1.122 guenther 861: (void)printf("%s", syscallnames[ktr->ktr_code]);
1.1 deraadt 862: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 863: (void)putchar('(');
1.52 otto 864:
1.122 guenther 865: if (ktr->ktr_code == SYS_sysctl && fancy) {
1.62 otto 866: const char *s;
1.94 guenther 867: int n, i, *top;
1.52 otto 868:
869: n = ap[1];
870: if (n > CTL_MAXNAME)
871: n = CTL_MAXNAME;
1.93 jsg 872: if (n < 0)
873: errx(1, "invalid sysctl length %d", n);
1.94 guenther 874: if (n > 0) {
875: top = (int *)(ap + 6);
876: printf("%d", top[0]);
877: for (i = 1; i < n; i++)
878: printf(".%d", top[i]);
879: if ((s = kresolvsysctl(0, top)) != NULL) {
880: printf("<%s", s);
881: for (i = 1; i < n; i++) {
882: if ((s = kresolvsysctl(i, top)) != NULL)
883: printf(".%s", s);
884: else
885: printf(".%d", top[i]);
886: }
887: putchar('>');
888: }
1.1 deraadt 889: }
1.52 otto 890:
891: sep = ',';
892: ap += 2;
893: narg -= 2;
1.92 guenther 894: } else if (ktr->ktr_code < nitems(scargs)) {
895: const formatter *fmts = scargs[ktr->ktr_code];
896: int fmt;
1.52 otto 897:
1.92 guenther 898: while (narg && (fmt = *fmts) != 0) {
899: if (sep)
900: putchar(sep);
901: sep = ',';
902: if (!fancy && !FMT_IS_NONFANCY(fmt))
903: fmt = Pnonfancy;
904: if (fmt > 0)
905: formatters[fmt]((int)*ap);
906: else if (long_formatters[-fmt](*ap))
907: sep = '\0';
908: fmts++;
909: ap++;
910: narg--;
911: }
1.52 otto 912: }
913:
1.93 jsg 914: while (narg > 0) {
1.52 otto 915: if (sep)
916: putchar(sep);
917: if (decimal)
918: (void)printf("%ld", (long)*ap);
919: else
920: (void)printf("%#lx", (long)*ap);
921: sep = ',';
922: ap++;
923: narg--;
1.1 deraadt 924: }
1.27 mickey 925: (void)printf(")\n");
1.62 otto 926: }
927:
928: static struct ctlname topname[] = CTL_NAMES;
929: static struct ctlname kernname[] = CTL_KERN_NAMES;
930: static struct ctlname vmname[] = CTL_VM_NAMES;
931: static struct ctlname fsname[] = CTL_FS_NAMES;
932: static struct ctlname netname[] = CTL_NET_NAMES;
933: static struct ctlname hwname[] = CTL_HW_NAMES;
934: static struct ctlname debugname[CTL_DEBUG_MAXID];
935: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
936: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
937: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 guenther 938: static struct ctlname kernprocname[] = {
1.64 guenther 939: { NULL },
940: { "all" },
941: { "pid" },
942: { "pgrp" },
943: { "session" },
944: { "tty" },
945: { "uid" },
946: { "ruid" },
1.77 guenther 947: { "kthread" },
1.64 guenther 948: };
1.62 otto 949: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
950: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
951: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
952: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
953: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
954: #ifdef CTL_MACHDEP_NAMES
955: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
956: #endif
957: static struct ctlname ddbname[] = CTL_DDB_NAMES;
958:
959: #ifndef nitems
960: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
961: #endif
962:
963: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
964:
965: static const char *
1.94 guenther 966: kresolvsysctl(int depth, const int *top)
1.62 otto 967: {
968: struct ctlname *names;
969: size_t limit;
1.94 guenther 970: int idx = top[depth];
1.62 otto 971:
972: names = NULL;
973:
974: switch (depth) {
975: case 0:
976: SETNAME(topname);
977: break;
978: case 1:
979: switch (top[0]) {
980: case CTL_KERN:
981: SETNAME(kernname);
982: break;
983: case CTL_VM:
984: SETNAME(vmname);
985: break;
986: case CTL_FS:
987: SETNAME(fsname);
988: break;
989: case CTL_NET:
990: SETNAME(netname);
991: break;
992: case CTL_DEBUG:
993: SETNAME(debugname);
994: break;
995: case CTL_HW:
996: SETNAME(hwname);
997: break;
998: #ifdef CTL_MACHDEP_NAMES
999: case CTL_MACHDEP:
1000: SETNAME(machdepname);
1001: break;
1002: #endif
1003: case CTL_DDB:
1004: SETNAME(ddbname);
1005: break;
1006: }
1007: break;
1008: case 2:
1009: switch (top[0]) {
1010: case CTL_KERN:
1011: switch (top[1]) {
1012: case KERN_MALLOCSTATS:
1013: SETNAME(kernmallocname);
1014: break;
1015: case KERN_FORKSTAT:
1016: SETNAME(forkstatname);
1017: break;
1018: case KERN_NCHSTATS:
1019: SETNAME(nchstatsname);
1020: break;
1021: case KERN_TTY:
1022: SETNAME(ttysname);
1023: break;
1024: case KERN_SEMINFO:
1025: SETNAME(semname);
1026: break;
1027: case KERN_SHMINFO:
1028: SETNAME(shmname);
1029: break;
1030: case KERN_WATCHDOG:
1031: SETNAME(watchdogname);
1032: break;
1.64 guenther 1033: case KERN_PROC:
1034: idx++; /* zero is valid at this level */
1035: SETNAME(kernprocname);
1036: break;
1.62 otto 1037: case KERN_TIMECOUNTER:
1038: SETNAME(tcname);
1039: break;
1040: }
1041: }
1042: break;
1043: }
1044: if (names != NULL && idx > 0 && idx < limit)
1045: return (names[idx].ctl_name);
1046: return (NULL);
1.1 deraadt 1047: }
1048:
1.12 espie 1049: static void
1.103 guenther 1050: ktrsysret(struct ktr_sysret *ktr, size_t ktrlen)
1.1 deraadt 1051: {
1.103 guenther 1052: register_t ret = 0;
1053: long long retll;
1.12 espie 1054: int error = ktr->ktr_error;
1055: int code = ktr->ktr_code;
1.1 deraadt 1056:
1.103 guenther 1057: if (ktrlen < sizeof(*ktr))
1058: errx(1, "sysret length %zu < ktr header length %zu",
1059: ktrlen, sizeof(*ktr));
1060: ktrlen -= sizeof(*ktr);
1061: if (error == 0) {
1062: if (ktrlen == sizeof(ret)) {
1063: memcpy(&ret, ktr+1, sizeof(ret));
1064: retll = ret;
1065: } else if (ktrlen == sizeof(retll))
1066: memcpy(&retll, ktr+1, sizeof(retll));
1067: else
1068: errx(1, "sysret bogus length %zu", ktrlen);
1069: }
1070:
1.122 guenther 1071: if (code >= SYS_MAXSYSCALL || code < 0)
1.1 deraadt 1072: (void)printf("[%d] ", code);
1.122 guenther 1073: else
1074: (void)printf("%s ", syscallnames[code]);
1.1 deraadt 1075:
1076: if (error == 0) {
1077: if (fancy) {
1.122 guenther 1078: switch (code) {
1.103 guenther 1079: case SYS_lseek:
1080: (void)printf("%lld", retll);
1081: if (retll < 0 || retll > 9)
1082: (void)printf("/%#llx", retll);
1083: break;
1.64 guenther 1084: case SYS_sigprocmask:
1.73 guenther 1085: case SYS_sigpending:
1.64 guenther 1086: sigset(ret);
1087: break;
1088: case SYS___thrsigdivert:
1089: signame(ret);
1.94 guenther 1090: break;
1091: case SYS_getuid:
1092: case SYS_geteuid:
1093: uidname(ret);
1094: break;
1095: case SYS_getgid:
1096: case SYS_getegid:
1097: gidname(ret);
1.64 guenther 1098: break;
1099: default:
1100: (void)printf("%ld", (long)ret);
1101: if (ret < 0 || ret > 9)
1102: (void)printf("/%#lx", (long)ret);
1103: }
1.1 deraadt 1104: } else {
1105: if (decimal)
1.103 guenther 1106: (void)printf("%lld", retll);
1.1 deraadt 1107: else
1.103 guenther 1108: (void)printf("%#llx", retll);
1.1 deraadt 1109: }
1110: } else if (error == ERESTART)
1111: (void)printf("RESTART");
1112: else if (error == EJUSTRETURN)
1113: (void)printf("JUSTRETURN");
1114: else {
1115: (void)printf("-1 errno %d", ktr->ktr_error);
1116: if (fancy)
1117: (void)printf(" %s", strerror(ktr->ktr_error));
1118: }
1119: (void)putchar('\n');
1120: }
1121:
1.12 espie 1122: static void
1.37 tedu 1123: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1124: {
1.37 tedu 1125: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1126: }
1127:
1.111 guenther 1128: void
1129: showbufc(int col, unsigned char *dp, size_t datalen)
1.106 guenther 1130: {
1131: int i, j;
1.111 guenther 1132: int width, bpl;
1.106 guenther 1133: unsigned char visbuf[5], *cp, c;
1134:
1135: putchar('"');
1.111 guenther 1136: col++;
1.106 guenther 1137: for (; datalen > 0; datalen--, dp++) {
1138: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1139: cp = visbuf;
1140:
1141: /*
1142: * Keep track of printables and
1143: * space chars (like fold(1)).
1144: */
1145: if (col == 0) {
1146: (void)putchar('\t');
1147: col = 8;
1148: }
1149: switch (*cp) {
1150: case '\n':
1151: col = 0;
1152: (void)putchar('\n');
1153: continue;
1154: case '\t':
1155: width = 8 - (col&07);
1156: break;
1157: default:
1158: width = strlen(cp);
1159: }
1160: if (col + width > (screenwidth-2)) {
1161: (void)printf("\\\n\t");
1162: col = 8;
1163: }
1164: col += width;
1165: do {
1166: (void)putchar(*cp++);
1167: } while (*cp);
1168: }
1169: if (col == 0)
1170: (void)printf(" ");
1171: (void)printf("\"\n");
1172: }
1173:
1174: static void
1.81 miod 1175: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1176: {
1.37 tedu 1177: int i, j;
1.31 tedu 1178: int col = 0, width, bpl;
1.32 tedu 1179: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1180:
1.31 tedu 1181: if (iohex == 1) {
1182: putchar('\t');
1183: col = 8;
1184: for (i = 0; i < datalen; i++) {
1.35 tedu 1185: printf("%02x", dp[i]);
1.31 tedu 1186: col += 3;
1187: if (i < datalen - 1) {
1188: if (col + 3 > screenwidth) {
1189: printf("\n\t");
1190: col = 8;
1191: } else
1192: putchar(' ');
1193: }
1194: }
1195: putchar('\n');
1196: return;
1197: }
1198: if (iohex == 2) {
1199: bpl = (screenwidth - 13)/4;
1200: if (bpl <= 0)
1201: bpl = 1;
1202: for (i = 0; i < datalen; i += bpl) {
1203: printf(" %04x: ", i);
1204: for (j = 0; j < bpl; j++) {
1205: if (i+j >= datalen)
1206: printf(" ");
1207: else
1.35 tedu 1208: printf("%02x ", dp[i+j]);
1.31 tedu 1209: }
1210: putchar(' ');
1211: for (j = 0; j < bpl; j++) {
1212: if (i+j >= datalen)
1213: break;
1214: c = dp[i+j];
1215: if (!isprint(c))
1216: c = '.';
1217: putchar(c);
1218: }
1219: putchar('\n');
1220: }
1221: return;
1222: }
1.111 guenther 1223:
1224: (void)printf(" ");
1225: showbufc(7, dp, datalen);
1.1 deraadt 1226: }
1227:
1.12 espie 1228: static void
1.81 miod 1229: ktrgenio(struct ktr_genio *ktr, size_t len)
1230: {
1231: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1.93 jsg 1232: size_t datalen;
1233:
1234: if (len < sizeof(struct ktr_genio))
1235: errx(1, "invalid ktr genio length %zu", len);
1236:
1237: datalen = len - sizeof(struct ktr_genio);
1.81 miod 1238:
1239: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1240: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1241: if (maxdata == 0)
1242: return;
1243: if (datalen > maxdata)
1244: datalen = maxdata;
1245: if (iohex && !datalen)
1246: return;
1247: showbuf(dp, datalen);
1248: }
1249:
1250: static void
1.17 deraadt 1251: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1252: {
1.93 jsg 1253: signame(psig->signo);
1.96 bluhm 1254: printf(" ");
1.1 deraadt 1255: if (psig->action == SIG_DFL)
1.63 deraadt 1256: (void)printf("SIG_DFL");
1.64 guenther 1257: else {
1258: (void)printf("caught handler=0x%lx mask=",
1259: (u_long)psig->action);
1260: sigset(psig->mask);
1261: }
1.63 deraadt 1262: if (psig->code) {
1263: printf(" code ");
1264: if (fancy) {
1265: switch (psig->signo) {
1266: case SIGILL:
1267: sigill_name(psig->code);
1268: break;
1269: case SIGTRAP:
1270: sigtrap_name(psig->code);
1271: break;
1272: case SIGEMT:
1273: sigemt_name(psig->code);
1274: break;
1275: case SIGFPE:
1276: sigfpe_name(psig->code);
1277: break;
1278: case SIGBUS:
1279: sigbus_name(psig->code);
1280: break;
1281: case SIGSEGV:
1282: sigsegv_name(psig->code);
1283: break;
1284: case SIGCHLD:
1285: sigchld_name(psig->code);
1286: break;
1287: }
1288: }
1289: printf("<%d>", psig->code);
1290: }
1291:
1.14 deraadt 1292: switch (psig->signo) {
1293: case SIGSEGV:
1294: case SIGILL:
1295: case SIGBUS:
1296: case SIGFPE:
1297: printf(" addr=%p trapno=%d", psig->si.si_addr,
1298: psig->si.si_trapno);
1299: break;
1300: default:
1301: break;
1302: }
1303: printf("\n");
1.1 deraadt 1304: }
1305:
1.64 guenther 1306: static void
1.81 miod 1307: ktruser(struct ktr_user *usr, size_t len)
1308: {
1.93 jsg 1309: if (len < sizeof(struct ktr_user))
1310: errx(1, "invalid ktr user length %zu", len);
1.81 miod 1311: len -= sizeof(struct ktr_user);
1312: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1313: printf(" %zu bytes\n", len);
1314: showbuf((unsigned char *)(usr + 1), len);
1.106 guenther 1315: }
1316:
1317: static void
1318: ktrexec(const char *ptr, size_t len)
1319: {
1320: char buf[sizeof("[2147483648] = ")];
1.111 guenther 1321: int i, col;
1.106 guenther 1322: size_t l;
1323:
1324: putchar('\n');
1325: i = 0;
1326: while (len > 0) {
1327: l = strnlen(ptr, len);
1.111 guenther 1328: col = printf("\t[%d] = ", i++);
1329: col += 7; /* tab expands from 1 to 8 columns */
1330: showbufc(col, (unsigned char *)ptr, l);
1.106 guenther 1331: if (l == len) {
1332: printf("\tunterminated argument\n");
1333: break;
1334: }
1335: len -= l + 1;
1336: ptr += l + 1;
1337: }
1.117 deraadt 1338: }
1339:
1340: static void
1341: ktrpledge(struct ktr_pledge *pledge, size_t len)
1342: {
1.118 deraadt 1343: char *name = "";
1.117 deraadt 1344: int i;
1345:
1346: if (len < sizeof(struct ktr_pledge))
1347: errx(1, "invalid ktr pledge length %zu", len);
1348:
1.122 guenther 1349: if (pledge->syscall >= SYS_MAXSYSCALL || pledge->syscall < 0)
1.117 deraadt 1350: (void)printf("[%d]", pledge->syscall);
1351: else
1.122 guenther 1352: (void)printf("%s", syscallnames[pledge->syscall]);
1.117 deraadt 1353: printf(", ");
1.118 deraadt 1354: for (i = 0; pledge->code && pledgenames[i].bits != 0; i++) {
1.117 deraadt 1355: if (pledgenames[i].bits & pledge->code) {
1.118 deraadt 1356: name = pledgenames[i].name;
1.117 deraadt 1357: break;
1358: }
1359: }
1.118 deraadt 1360: printf("\"%s\"", name);
1.117 deraadt 1361: (void)printf(", errno %d", pledge->error);
1362: if (fancy)
1363: (void)printf(" %s", strerror(pledge->error));
1364: printf("\n");
1.81 miod 1365: }
1366:
1367: static void
1.17 deraadt 1368: usage(void)
1.1 deraadt 1369: {
1370:
1.19 mickey 1371: extern char *__progname;
1372: fprintf(stderr, "usage: %s "
1.122 guenther 1373: "[-dHlnRTXx] [-f file] [-m maxdata] [-p pid]\n"
1374: "%*s[-t [cinstuxX+]]\n",
1.51 otto 1375: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1376: exit(1);
1377: }
1378:
1.61 matthew 1379:
1.92 guenther 1380: /*
1381: * FORMATTERS
1382: */
1383:
1384: static void
1385: ioctldecode(int cmd)
1386: {
1387: char dirbuf[4], *dir = dirbuf;
1388: const char *cp;
1389:
1390: if ((cp = ioctlname((unsigned)cmd)) != NULL) {
1391: (void)printf("%s", cp);
1392: return;
1393: }
1394:
1395: if (cmd & IOC_IN)
1396: *dir++ = 'W';
1397: if (cmd & IOC_OUT)
1398: *dir++ = 'R';
1399: *dir = '\0';
1400:
1.109 zhuk 1401: printf("_IO%s('%c',%d",
1.92 guenther 1402: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1403: if ((cmd & IOC_VOID) == 0)
1404: printf(decimal ? ",%u)" : ",%#x)", (cmd >> 16) & 0xff);
1405: else
1406: printf(")");
1407: }
1408:
1409: static void
1410: ptracedecode(int request)
1411: {
1412: if (request >= 0 && request < nitems(ptrace_ops))
1413: (void)printf("%s", ptrace_ops[request]);
1414: else switch(request) {
1415: #ifdef PT_GETFPREGS
1416: case PT_GETFPREGS:
1417: (void)printf("PT_GETFPREGS");
1418: break;
1419: #endif
1420: case PT_GETREGS:
1421: (void)printf("PT_GETREGS");
1422: break;
1423: #ifdef PT_GETXMMREGS
1424: case PT_GETXMMREGS:
1425: (void)printf("PT_GETXMMREGS");
1426: break;
1427: #endif
1428: #ifdef PT_SETFPREGS
1429: case PT_SETFPREGS:
1430: (void)printf("PT_SETFPREGS");
1431: break;
1432: #endif
1433: case PT_SETREGS:
1434: (void)printf("PT_SETREGS");
1435: break;
1436: #ifdef PT_SETXMMREGS
1437: case PT_SETXMMREGS:
1438: (void)printf("PT_SETXMMREGS");
1439: break;
1440: #endif
1441: #ifdef PT_STEP
1442: case PT_STEP:
1443: (void)printf("PT_STEP");
1444: break;
1445: #endif
1446: #ifdef PT_WCOOKIE
1447: case PT_WCOOKIE:
1448: (void)printf("PT_WCOOKIE");
1449: break;
1450: #endif
1451: default:
1452: pdecint(request);
1453: }
1454: }
1455:
1456:
1.61 matthew 1457: static void
1458: atfd(int fd)
1459: {
1460: if (fd == AT_FDCWD)
1461: (void)printf("AT_FDCWD");
1462: else
1.92 guenther 1463: pdecint(fd);
1.77 guenther 1464: }
1465:
1466: static void
1467: polltimeout(int timeout)
1468: {
1469: if (timeout == INFTIM)
1470: (void)printf("INFTIM");
1471: else
1.92 guenther 1472: pdecint(timeout);
1.82 guenther 1473: }
1474:
1475: static void
1476: wait4pid(int pid)
1477: {
1478: if (pid == WAIT_ANY)
1479: (void)printf("WAIT_ANY");
1480: else if (pid == WAIT_MYPGRP)
1481: (void)printf("WAIT_MYPGRP");
1482: else
1.92 guenther 1483: pdecint(pid); /* ppgid */
1.1 deraadt 1484: }
1.83 guenther 1485:
1486: static void
1487: signame(int sig)
1488: {
1489: if (sig > 0 && sig < NSIG)
1490: (void)printf("SIG%s", sys_signame[sig]);
1491: else
1492: (void)printf("SIG %d", sig);
1493: }
1494:
1.84 guenther 1495: void
1.83 guenther 1496: sigset(int ss)
1497: {
1498: int or = 0;
1499: int cnt = 0;
1500: int i;
1501:
1502: for (i = 1; i < NSIG; i++)
1503: if (sigismember(&ss, i))
1504: cnt++;
1505: if (cnt > (NSIG-1)/2) {
1506: ss = ~ss;
1507: putchar('~');
1508: }
1509:
1510: if (ss == 0) {
1511: (void)printf("0<>");
1512: return;
1513: }
1514:
1515: printf("%#x<", ss);
1516: for (i = 1; i < NSIG; i++)
1517: if (sigismember(&ss, i)) {
1518: if (or) putchar('|'); else or=1;
1519: signame(i);
1520: }
1521: printf(">");
1522: }
1523:
1524: static void
1525: semctlname(int cmd)
1526: {
1527: switch (cmd) {
1528: case GETNCNT:
1529: (void)printf("GETNCNT");
1530: break;
1531: case GETPID:
1532: (void)printf("GETPID");
1533: break;
1534: case GETVAL:
1535: (void)printf("GETVAL");
1536: break;
1537: case GETALL:
1538: (void)printf("GETALL");
1539: break;
1540: case GETZCNT:
1541: (void)printf("GETZCNT");
1542: break;
1543: case SETVAL:
1544: (void)printf("SETVAL");
1545: break;
1546: case SETALL:
1547: (void)printf("SETALL");
1548: break;
1549: case IPC_RMID:
1550: (void)printf("IPC_RMID");
1551: break;
1552: case IPC_SET:
1553: (void)printf("IPC_SET");
1554: break;
1555: case IPC_STAT:
1556: (void)printf("IPC_STAT");
1557: break;
1558: default: /* Should not reach */
1.92 guenther 1559: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1560: }
1561: }
1562:
1563: static void
1.88 guenther 1564: shmctlname(int cmd)
1565: {
1.83 guenther 1566: switch (cmd) {
1567: case IPC_RMID:
1568: (void)printf("IPC_RMID");
1569: break;
1570: case IPC_SET:
1571: (void)printf("IPC_SET");
1572: break;
1573: case IPC_STAT:
1574: (void)printf("IPC_STAT");
1575: break;
1576: default: /* Should not reach */
1.92 guenther 1577: (void)printf("<invalid=%d>", cmd);
1.83 guenther 1578: }
1579: }
1580:
1581:
1582: static void
1.88 guenther 1583: semgetname(int flag)
1584: {
1.83 guenther 1585: int or = 0;
1586: if_print_or(flag, IPC_CREAT, or);
1587: if_print_or(flag, IPC_EXCL, or);
1588: if_print_or(flag, SEM_R, or);
1589: if_print_or(flag, SEM_A, or);
1590: if_print_or(flag, (SEM_R>>3), or);
1591: if_print_or(flag, (SEM_A>>3), or);
1592: if_print_or(flag, (SEM_R>>6), or);
1593: if_print_or(flag, (SEM_A>>6), or);
1.92 guenther 1594:
1595: if (flag & ~(IPC_CREAT|IPC_EXCL|SEM_R|SEM_A|((SEM_R|SEM_A)>>3)|
1596: ((SEM_R|SEM_A)>>6)))
1597: printf("<invalid=%#x>", flag);
1.83 guenther 1598: }
1599:
1600:
1601: /*
1.92 guenther 1602: * Only used by SYS_open and SYS_openat. Unless O_CREAT is set in flags, the
1.83 guenther 1603: * mode argument is unused (and often bogus and misleading).
1604: */
1605: static void
1.92 guenther 1606: flagsandmodename(int mode)
1.88 guenther 1607: {
1.92 guenther 1608: openflagsname(arg1);
1609: if ((arg1 & O_CREAT) == O_CREAT) {
1.83 guenther 1610: (void)putchar(',');
1.92 guenther 1611: modename(mode);
1612: } else if (!fancy)
1613: (void)printf(",<unused>%#o", mode);
1.83 guenther 1614: }
1615:
1616: static void
1617: clockname(int clockid)
1618: {
1619: clocktypename(__CLOCK_TYPE(clockid));
1620: if (__CLOCK_PTID(clockid) != 0)
1621: printf("(%d)", __CLOCK_PTID(clockid));
1622: }
1623:
1624: /*
1625: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1.100 guenther 1626: * referring to a line in /etc/protocols.
1.83 guenther 1627: */
1628: static void
1.100 guenther 1629: sockoptlevelname(int optname)
1.83 guenther 1630: {
1.100 guenther 1631: struct protoent *pe;
1632:
1633: if (arg1 == SOL_SOCKET) {
1634: (void)printf("SOL_SOCKET,");
1635: sockoptname(optname);
1636: } else {
1637: pe = getprotobynumber(arg1);
1638: (void)printf("%u<%s>,%d", arg1,
1639: pe != NULL ? pe->p_name : "unknown", optname);
1640: }
1.83 guenther 1641: }
1642:
1.88 guenther 1643: static void
1644: ktraceopname(int ops)
1645: {
1646: int invalid = 0;
1647:
1648: printf("%#x<", ops);
1649: switch (KTROP(ops)) {
1650: case KTROP_SET:
1651: printf("KTROP_SET");
1652: break;
1653: case KTROP_CLEAR:
1654: printf("KTROP_CLEAR");
1655: break;
1656: case KTROP_CLEARFILE:
1657: printf("KTROP_CLEARFILE");
1658: break;
1659: default:
1660: printf("KTROP(%d)", KTROP(ops));
1661: invalid = 1;
1662: break;
1663: }
1.92 guenther 1664: if (ops & KTRFLAG_DESCEND) printf("|KTRFLAG_DESCEND");
1.88 guenther 1665: printf(">");
1666: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
1.92 guenther 1667: (void)printf("<invalid>%d", ops);
1.88 guenther 1668: }